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WO2018196603A1 - Équipement utilisateur, station de base, et procédé associé - Google Patents

Équipement utilisateur, station de base, et procédé associé Download PDF

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Publication number
WO2018196603A1
WO2018196603A1 PCT/CN2018/082493 CN2018082493W WO2018196603A1 WO 2018196603 A1 WO2018196603 A1 WO 2018196603A1 CN 2018082493 W CN2018082493 W CN 2018082493W WO 2018196603 A1 WO2018196603 A1 WO 2018196603A1
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WO
WIPO (PCT)
Prior art keywords
access
enhanced coverage
coverage level
configuration
prohibition
Prior art date
Application number
PCT/CN2018/082493
Other languages
English (en)
Chinese (zh)
Inventor
常宁娟
刘仁茂
肖芳英
Original Assignee
夏普株式会社
常宁娟
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 夏普株式会社, 常宁娟 filed Critical 夏普株式会社
Publication of WO2018196603A1 publication Critical patent/WO2018196603A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and more particularly, to a user equipment (UE), a base station, and related methods.
  • UE user equipment
  • NB-IoT Narrow Band Internet
  • MTC Machine Type Communication
  • a method performed at a user equipment UE comprising: determining an enhanced coverage level of a UE according to a measured reference signal received power RSRP; and a UE radio resource control RRC layer according to the determined
  • the access prohibition configuration corresponding to the enhanced coverage level performs an access prohibition check.
  • determining the enhanced coverage level of the UE according to the measured RSRP includes: determining, by the UE RRC layer, the enhanced coverage level of the UE according to the comparison result of the measured RSRP and the predetermined RSRP threshold; or the UE media access control MAC layer according to the measurement The result of the comparison of the RSRP with the predetermined RSRP threshold determines the enhanced coverage level of the UE and indicates the determined enhanced coverage level to the RRC layer.
  • a method performed at a user equipment UE comprising: a UE radio resource control RRC layer determining an enhanced coverage level of a UE according to a repetition level determined after successfully receiving a paging message; The UE RRC layer performs an access barring check according to the access barring configuration corresponding to the determined enhanced coverage level.
  • a method performed at a base station comprising: transmitting an enhanced coverage level threshold configuration to a user equipment UE, the enhanced coverage level threshold configuration comprising one or more enhanced coverage The level threshold, each enhanced coverage level threshold corresponds to an enhanced coverage level.
  • the enhanced coverage level threshold configuration is based on a reference signal received power RSRP.
  • a method performed at a user equipment UE comprising: a UE medium access control MAC layer determining an enhanced coverage level of a UE; and a UE MAC layer according to the determined enhanced coverage level
  • the access prohibition configuration performs the access prohibition check.
  • the method further includes: if the result of the access prohibition check indicates that the UE accessing the cell is not prohibited, the maximum number of random access preamble transmissions corresponding to the enhanced coverage level of the UE is reached. In the case where the number of preamble transmissions is entered, the UE MAC layer adjusts the enhanced coverage level of the UE, and performs another access prohibition check according to the adjusted enhanced coverage level.
  • a user equipment UE comprising: a transceiver; a processor; and a memory storing computer executable instructions that, when executed by the processor, cause the UE to perform The method of the first, second or fourth aspect of the present disclosure.
  • a base station comprising: a transceiver; a processor; and a memory storing computer executable instructions that, when executed by the processor, cause the base station to perform according to the present disclosure The method of the third aspect.
  • a computer storage medium storing computer executable instructions that, when executed by a processor of a user equipment UE, cause the UE to perform a The method of any of the second or fourth invention; or the computer executable instructions, when executed by a processor of a base station, causing the base station to perform the method according to the third aspect of the present disclosure.
  • FIG. 1 illustrates a flow diagram of a method 100 performed at a user equipment UE, in accordance with an embodiment of the disclosure.
  • FIG. 2 shows a flow diagram of a method 200 performed at a base station in accordance with an embodiment of the disclosure.
  • FIG. 3 illustrates a flow diagram of a method 300 performed at a user equipment UE, in accordance with an embodiment of the disclosure.
  • FIG. 4 illustrates a flow diagram of a method 400 performed at a base station in accordance with an embodiment of the disclosure.
  • FIG. 5 illustrates a flow diagram of a method 500 performed at a user equipment UE, in accordance with an embodiment of the disclosure.
  • FIG. 6 shows a flow diagram of a method 600 performed at a user equipment UE, in accordance with an embodiment of the disclosure.
  • FIG. 7 illustrates a schematic diagram of a method of implementing access barring on a UE side according to an embodiment of the present disclosure.
  • FIG. 8 shows a flow diagram of a method 800 performed at a base station in accordance with an embodiment of the disclosure.
  • FIG. 9 illustrates a flow diagram of a method 900 performed at a user equipment UE, in accordance with an embodiment of the disclosure.
  • FIG. 10 shows a schematic structural diagram of a UE 1000 according to an embodiment of the present disclosure.
  • FIG. 11 shows a schematic structural diagram of a base station 1100 according to an embodiment of the present disclosure.
  • the content of the present disclosure can be applied to the NB-IoT system, and can also be applied to the MTC system.
  • Coverage enhancement level can also be described as enhanced coverage level (Enhanced) Coverage level).
  • the base station in the present disclosure may be any type of base station, including a Node B, an enhanced base station eNB, or a 5G communication system base station gNB, or a micro base station, a pico base station, a macro base station, a home base station, etc.; the cell may also be any of the above.
  • UE User Equipment
  • UE refers to the UE within the enhanced coverage, that is, the UE needs to access the cell or network through the enhanced coverage function/mechanism.
  • Enhanced coverage level The degree of enhancement coverage that will require enhanced coverage is divided into multiple enhanced coverage levels.
  • each enhanced coverage level may correspond to a different set of wireless parameter configurations, such as a random access configuration (such as a PRACH (Physical Random Access CHannel) resource).
  • PRACH Physical Random Access CHannel
  • FIG. 1 illustrates a flow diagram of a method 100 performed at a user equipment UE, in accordance with an embodiment of the disclosure. As shown, the method 100 includes the following steps.
  • Step S110 Receive an access barring configuration for one or more enhanced coverage levels from the base station.
  • the access barring configuration includes enhanced coverage level information.
  • the access barring configuration may include access barring configuration parameters corresponding to different enhanced coverage levels.
  • the access barring configuration including the coverage enhancement level information may be carried in the system information, which may be the system information block type 14 SystemInformationBlockType14-NB, or the system information block type 1 SystemInformationBlockType1-NB, or the main system information block.
  • MasterInformationBlock-NB can also be a newly introduced system information block type.
  • Step S120 Select an access prohibition configuration parameter corresponding to the enhanced coverage level of the UE according to the received access prohibition configuration.
  • the method 100 may further include applying the selected access barring configuration parameter.
  • the UE's enhanced coverage level is one of the system-defined enhanced coverage level ranges.
  • the enhanced coverage level supported in the system ranges from 0, 1, 2 to N, where N is the maximum value of the enhanced coverage level, N defined in R14 is 3, and the enhanced coverage level of the UE can be 2.
  • Step S130 Perform an access barring check according to the selected access barring configuration parameter to determine whether the UE is prohibited from accessing the cell under the base station.
  • the process of performing the access barring check by the UE includes that the UE considers that the cell accessing the cell under the base station is not forbidden according to the enhanced coverage level of the UE and the selected access barring configuration parameter, or considers the access The cell is forbidden and the upper layer is notified to establish a Radio Resource Control (RRC) connection failure or restore the RRC connection failure, the suspend indication, and the application access prohibition, and the RRC procedure ends.
  • RRC Radio Resource Control
  • the method 100 further includes the UE initiating an RRC connection setup procedure or an RRC connection recovery procedure. This step can occur after step S110.
  • the access barring configuration including enhanced coverage level information includes a bit bitmap bitmap, wherein each bit corresponds to one of the one or more enhanced coverage levels for indicating the enhanced coverage level.
  • Access prohibition information For example, if the value of the bit is "1”, the UE considers that the enhanced coverage level corresponding to the bit is not forbidden to access the cell; if the value of the bit is "0", the UE considers It is forbidden to access the enhanced coverage level corresponding to the bit to the cell.
  • the above “1” can be expressed by “TURE”; “0” can be expressed by "FALSE” and vice versa.
  • performing the access prohibition check needs to perform an access prohibition check for the access prohibition configuration including the above items, to obtain a conclusion that access to the cell is prohibited, that is, the access prohibition check is combined with the enhanced coverage level.
  • the entry prohibition information and the access prohibition item in the existing system can also be understood as the access prohibition of the enhanced coverage level as an access prohibition item, and judging in parallel with other access prohibition items.
  • the same is true for the MTC system.
  • the existing MTC system and the NB-IoT system have different access prohibition configurations, but the above principles are also used, so they are not described here.
  • the bitmap may be included in the main system information block, or system information block 1, system information block 14, or other system information block.
  • this embodiment is expressed in the 3GPP Technical Specification Protocol as follows:
  • the access barring configuration including enhanced coverage level information includes access barring configuration information (also referred to as an access barring configuration parameter) corresponding to each enhanced coverage level.
  • the access barring configuration information corresponding to each enhanced coverage level includes an access barring configuration item that has been defined in the existing system version, as previously described.
  • the access prohibition configuration includes an access prohibition information list, and each group configuration in the list includes an access prohibition item defined in the existing system version, and corresponds to an enhanced coverage level.
  • this embodiment is expressed in the 3GPP Technical Specification Protocol as follows:
  • the enhanced coverage level is considered to be the same as the other enhanced coverage level (for example, another enhanced coverage).
  • the level refers to the enhanced coverage level of the minimum index value, or the enhanced coverage level of the largest index value, or the enhanced coverage level of the previous index value).
  • the UE selects a corresponding one in the list according to its enhanced coverage level.
  • An enhanced coverage level access prohibition information entry (Ac-barringinfo-perCElevel entry) is used to access the prohibition check.
  • the acquired access barring configuration includes an en-barring configure-per CE level-list
  • the UE selects a corresponding per-enhanced coverage level in the list according to the enhanced coverage level.
  • the cut-off configuration entry (Ac-barringconfig-per CElevel-list entry).
  • the UE selects a phase in the list according to its enhanced coverage level.
  • the corresponding access prohibition ignores the entry (Ac-barringskipforMMTELvoice or Ac-barringskipforMMTELvedio or Ac-barringskipforSMS).
  • the UE is in each of the enhanced coverage levels according to its enhanced coverage level. Select a corresponding list (barringper-categorylist) in the type access barring list. If the obtained access prohibition configuration includes an application specific congestion control for Data Communication type access prohibition list (barringperACDC-category-perCElevel-List), the UE is in the list according to its enhanced coverage level. Select each corresponding enhanced coverage level per ACDC type per access barring entry (barringperACDC-category).
  • EAB Extended Access Barring
  • the system information block 14 includes an enhanced coverage level extended access prohibition configuration list (EAB-config-perCElevelList)
  • EAB-config-perCElevelList an enhanced coverage level extended access prohibition configuration list
  • the UE selects a corresponding extension in the list according to its enhanced coverage level. Access prohibited configuration entry (EAB-config).
  • the access barring configuration including enhanced coverage level information includes an enhanced coverage level value X1.
  • the access barring configuration further includes an access barring item in an existing system version. If the enhanced coverage level of the UE is less than or equal to X1, the UE considers that access to the cell is prohibited. If the enhanced coverage level of the UE is greater than or equal to X1, the UE considers that access to the cell is not prohibited; If the enhanced coverage level of the UE is less than or equal to X1, the UE considers that access to the cell is not forbidden. If the enhanced coverage level of the UE is greater than or equal to X1, the UE considers that the UE is connected to the cell. Forbidden.
  • X1 can be understood as the maximum access prohibition enhanced coverage level, or the minimum access prohibition enhanced coverage level, or the largest non-access prohibition enhanced coverage level, or the smallest non-access prohibition enhanced coverage level. .
  • performing an access barring check needs to perform an access barring check for including an existing system access barring item to obtain a conclusion that access to the cell is prohibited, that is, the access prohibition check is combined.
  • the access prohibition check including the enhanced coverage level and the check of the access prohibition item in the existing system are performed to finally determine whether an access cell is prohibited. It can also be understood as an access restriction of the enhanced coverage level as a connection. Enter prohibited items and judge alongside other access prohibited items.
  • the access barring configuration including enhanced coverage level information includes an enhanced coverage level value X2 and other access barring configurations.
  • the other access barring configuration includes an access barring configuration parameter that has been defined in an existing system.
  • the UE determines its enhanced coverage level in accordance with methods described in other embodiments of the present disclosure. If the enhanced coverage level of the UE is less than or equal to X2, the UE considers that access to the cell is not prohibited. If the enhanced coverage level of the UE is greater than or equal to X2, the UE performs configuration based on the other access prohibition configuration. Access prohibition check. In another mode, if the enhanced coverage level of the UE is less than or equal to X2, the UE performs an access prohibition check based on the other access prohibition configuration.
  • the UE considers Access to the cell is not prohibited. In another mode, if the enhanced coverage level of the UE is less than or equal to X2, the UE considers that access to the cell is prohibited. If the enhanced coverage level of the UE is greater than or equal to X2, the UE is based on the other connection. Inhibit configuration, perform access prohibition check. In another mode, if the enhanced coverage level of the UE is less than or equal to X2, the UE performs an access prohibition check based on the other access prohibition configuration. If the enhanced coverage level of the UE is greater than or equal to X2, the UE considers Access to the cell is prohibited.
  • X2 can be understood as the maximum access prohibition enhanced coverage level, or the minimum access prohibition enhanced coverage level, or the largest non-access prohibition enhanced coverage level, or the smallest non-access prohibition enhanced coverage level. .
  • this embodiment is expressed in the 3GPP Technical Specification Protocol as follows:
  • another method in this embodiment may be as follows: if the enhanced coverage level of the UE is less than or equal to X2, the UE considers that the parameter configuration in the access prohibition configuration is applicable, and according to the access The parameter configuration in the configuration is prohibited from performing the access prohibition check. If the enhanced coverage level of the UE is greater than or equal to X2, the UE considers that access to the cell is not prohibited, or considers the parameter in the access prohibition configuration. If the configuration is not used, the access prohibition check does not need to be continued. If the enhanced coverage level of the UE is less than or equal to X2, the UE considers that access to the cell is not prohibited, or considers the access. The parameter configuration in the configuration is not used, and the access prohibition check is not required.
  • the UE If the enhanced coverage level of the UE is greater than or equal to X2, the UE considers that the parameter configuration in the access prohibition configuration is applicable, and according to the connection. Enter the parameter configuration in the forbidden configuration to perform the access prohibition check.
  • X2 can be understood as the maximum access prohibition enhanced coverage level, or the minimum access prohibition enhanced coverage level, or the largest non-access prohibition enhanced coverage level, or the smallest non-access prohibition enhanced coverage level. .
  • method 200 includes the following steps.
  • Step S210 Send an access barring configuration for one or more enhanced coverage levels to the user equipment UE.
  • the access barring configuration includes enhanced coverage level information.
  • the access barring configuration may be included in system information.
  • the base station may further determine, according to the network load status and the distribution status of the enhanced coverage level user in the network, whether to send the access prohibition configuration that includes the enhanced coverage level information.
  • the access prohibition configuration including the enhanced coverage level information may be the following methods.
  • the access barring configuration including enhanced coverage level information includes a bit bitmap bitmap, wherein each bit corresponds to an enhanced coverage level for indicating access barring information for the enhanced coverage level. For example, if the value of the bit is "1", the enhanced coverage level corresponding to the bit is not forbidden to access the cell; if the value of the bit is "0", the bit is It is forbidden to access the corresponding enhanced coverage level to the cell.
  • the above “1” can be expressed by “TURE”; "0” can be expressed by "FALSE” and vice versa.
  • the version 14 NB-IoT system includes an access barring type ab-Category, an access barring class bitmap ab-BarringBitmap, The access prohibition abnormal data ab-BarringExceptionData, the special access classification access prohibition ab-BarringForSpecialAC, etc., in the present disclosure, each of the above items is an access prohibition item.
  • performing the access prohibition check needs to perform an access prohibition check for the access prohibition configuration including the above items, to obtain a conclusion that access to the cell is prohibited, that is, the access prohibition check is combined with the enhanced coverage level.
  • the entry prohibition information and the access prohibition item in the existing system can also be understood as the access prohibition of the enhanced coverage level as an access prohibition item, and judging in parallel with other access prohibition items.
  • the same is true for the MTC system.
  • the existing MTC system and the NB-IoT system have different access prohibition configurations, but the above principles are also used, so they are not described here.
  • the bitmap may be included in the main system information block, or system information block 1, system information block 14, or other system information block.
  • this embodiment is expressed in the 3GPP Technical Specification Protocol as follows:
  • the access barring configuration including enhanced coverage level information includes access barring configuration information corresponding to each enhanced coverage level.
  • the access barring configuration information corresponding to each enhanced coverage level includes an access barring configuration item that has been defined in the existing system version, as previously described.
  • the access prohibition configuration includes an access prohibition information list, and each group configuration in the list includes an access prohibition item defined in the existing system version, and corresponds to an enhanced coverage level.
  • this embodiment is expressed in the 3GPP Technical Specification Protocol as follows:
  • one enhanced coverage level uses the same access barring configuration as another enhanced coverage level (eg, another enhanced coverage level refers to an enhanced coverage level of the minimum index value, or is the largest An enhanced coverage level for the index value, or an enhanced coverage level for the previous index value).
  • another enhanced coverage level refers to an enhanced coverage level of the minimum index value, or is the largest An enhanced coverage level for the index value, or an enhanced coverage level for the previous index value.
  • the access barring configuration corresponding to the enhanced coverage level does not exist.
  • the access barring configuration including enhanced coverage level information includes an enhanced coverage level value X1.
  • the access barring configuration further includes an access barring item in an existing system version.
  • X1 can be understood as the maximum access prohibition enhanced coverage level, or the minimum access prohibition enhanced coverage level, or the largest non-access prohibition enhanced coverage level, or the smallest non-access prohibition enhanced coverage level.
  • the access barring configuration including enhanced coverage level information includes an enhanced coverage level value X2 and other access barring configurations.
  • the other access barring configuration includes an access barring configuration parameter that has been defined in an existing system.
  • X2 can be understood as the maximum access prohibition enhanced coverage level, or the minimum access prohibition enhanced coverage level, or the largest non-access prohibition enhanced coverage level, or the smallest non-access prohibition enhanced coverage level.
  • this embodiment is expressed in the 3GPP Technical Specification Protocol as follows:
  • FIG. 3 illustrates a flow diagram of a method 300 performed at a user equipment UE, in accordance with an embodiment of the disclosure.
  • the method 300 is for performing an access barring enable/disable at the UE. As shown, method 300 includes the following steps.
  • Step S310 Receive an indication from the base station as to whether access prohibition for the enhanced coverage level is enabled.
  • the indication may be an ab-Enabled-CElevel indication in the primary system information block, or may be an existing ab-Enabled indication in the primary system information block.
  • Step S320 If the received indication indicates that the access prohibition for the enhanced coverage level is enabled, the access barring configuration for one or more enhanced coverage levels is acquired to perform the access barring check.
  • the UE checks the ab-Enabled-CElevel indication in the primary system information block to know if the access barring for the enhanced coverage level is enabled. If the access prohibition for the enhanced coverage level is enabled, the UE cannot initiate an RRC connection setup or RRC connection recovery procedure for all access reasons except for mobile terminating calls until the UE has a valid version of the system information block.
  • the system information block xx includes an access prohibition configuration including enhanced coverage level information.
  • Another description is that if the UE is an NB-IoT UE or an MTC UE, and the ab-Enabled-CElevel in the (primary) system information block is set to TURE, all access except for mobile terminating calls is not performed. The reason is to initiate an RRC connection setup or RRC connection recovery procedure until the UE has a valid version of the system information block xx.
  • the embodiment can be expressed in the 3GPP technical specification protocol as:
  • the above information element ab-Enabled-CELevel is included in the system information, such as the main system information block.
  • the value TURE indicates that the access barring based on the enhanced coverage level is enabled, and the UE must acquire the system information block xx before initiating the RRC connection establishment or the RRC connection recovery, where the system information block xx includes the access barring with the enhanced coverage level information. Configuration.
  • the access control enable indication in the existing system and the access prohibition enable indication based on the enhanced coverage level employ different enable indications.
  • the UE checks the ab-Enabled indication in the primary system information block to know if the access barring is enabled. Or it is described as the UE checking the ab-Enabled indication in the main system information block to know whether the access barring and/or the access barring based on the enhanced coverage level is enabled. If the access barring and/or the access barring based on the enhanced coverage level is enabled, the UE cannot initiate an RRC connection setup or RRC connection recovery procedure for all access reasons except mobile terminating calls until the UE has A valid version of system information block 14 and/or system information block xx.
  • the system information block xx includes an access prohibition configuration including enhanced coverage level information. That is, in this embodiment, the access control enable indication in the existing system and the access prohibition enable indication based on the enhanced coverage level adopt the same enable indication.
  • the UE is an NB-IoT UE or an MTC UE, and ab-Enabled in the (primary) system information block is set to TURE, all access reasons except for mobile terminating calls are not initiated.
  • the RRC connection setup or RRC connection recovery procedure until the UE has a valid version of the system information block 14 and the system information block xx.
  • the system information block xx includes an access prohibition configuration including enhanced coverage level information.
  • FIG. 4 illustrates a flow diagram of a method 400 performed at a base station in accordance with an embodiment of the disclosure.
  • the method 400 is for performing an access barring enable/disable at a base station. As shown, method 400 includes the following steps.
  • Step S410 Send an indication to the user equipment UE as to whether access prohibition for the enhanced coverage level is enabled.
  • the base station sends an access prohibition enable indication based on the enhanced coverage level by using the broadcast message.
  • the indication can be included in the system information.
  • the base station may further determine, according to the network load condition and the distribution status of the enhanced coverage level user in the network, whether to enable the enhanced coverage level based access barring.
  • the indication may be an ab-Enabled-CElevel indication in the primary system information block, or may be an existing ab-Enabled indication in the primary system information block.
  • the base station indicates whether the access prohibition based on the enhanced coverage level is enabled by setting ab-Enabled-CElevel in the broadcast message.
  • the embodiment can be expressed in the 3GPP technical specification protocol as:
  • the above information element ab-Enabled-CELevel is included in the system information, such as the main system information block.
  • the value TURE indicates that the access barring based on the enhanced coverage level is enabled, and the UE must acquire the system information block xx before initiating the RRC connection establishment or the RRC connection recovery, where the system information block xx includes the access barring with the enhanced coverage level information. Configuration.
  • the access control enable indication in the existing system and the access prohibition enable indication based on the enhanced coverage level employ different enable indications.
  • the base station may indicate whether access barring and/or enhanced coverage level based access barring is enabled by setting ab-Enabled in the primary system information block. That is, in this embodiment, the access control enable indication in the existing system and the access prohibition enable indication based on the enhanced coverage level adopt the same enable indication.
  • FIG. 5 illustrates a flow diagram of a method 500 performed at a user equipment UE, in accordance with an embodiment of the disclosure.
  • the method 500 is for performing access barring at the UE RRC layer at the UE. As shown, method 500 includes the following steps.
  • Step S510 Determine an enhanced coverage level of the UE according to the measured reference signal received power RSRP.
  • step S510 may include: the UE RRC layer determines an enhanced coverage level of the UE according to a comparison result of the measured RSRP and the predetermined RSRP threshold.
  • the UE RRC layer determines an enhanced coverage level of the UE according to the measured RSRP. For example, if the system supports an enhanced coverage level ranging from 0 to N, if the RSRP threshold th_N of the enhanced coverage level N is configured and the measured RSRP is less than the threshold value th_N and the UE supports the enhanced coverage level N, the UE or UE The RRC layer considers that it is in the enhanced coverage level N; otherwise, if the RSRP threshold th_N-1 of the enhanced coverage level N-1 is configured and the measured RSRP is less than the threshold value th_N-1 and the UE supports the enhanced coverage level N-1, then The UE or the UE RRC layer considers that it is in the enhanced coverage level N-1; otherwise, if the RSRP threshold th_N of the enhanced coverage level N-2 is configured and the measured RSRP is less than the threshold value th_N-2 and the UE supports the enhanced coverage level N- 2, the UE or the UE RRC layer considers that it is
  • the UE acquires the RSRP threshold configuration of the enhanced coverage level from the base station.
  • This configuration may be included in system information, such as system information block 14.
  • the measurement may also be a measured Reference Signal Received Quality (RSRQ); or RSRP and RSRQ.
  • RSRQ Reference Signal Received Quality
  • step S510 may include: the UE medium access control (MAC) layer determines an enhanced coverage level of the UE according to the comparison result of the measured RSRP and the predetermined RSRP threshold, and indicates the determined enhanced coverage to the UE RRC layer. grade.
  • MAC medium access control
  • the UE MAC layer determines the enhanced coverage level of the UE according to the measured RSRP, and adopts the configuration parameters in the random access in the prior art. For example, if the upper layer configures the RSRP threshold of the enhanced coverage level 3 in the rsrp-ThresholdsPrachInfoList and the measured RSRP is smaller than the threshold of the enhanced coverage level 3 and the UE supports the enhanced coverage level 3, the MAC entity considers that it is in the enhanced coverage level.
  • the MAC entity considers that it is in the enhanced coverage.
  • Level 2 otherwise, if the upper layer configures the RSRP threshold of the enhanced coverage level 1 in the rsrp-ThresholdsPrachInfoList and the measured RSRP is smaller than the threshold of the coverage enhancement level, the MAC entity considers that it is in the enhanced coverage level 1; otherwise the MAC entity considers It is at an enhanced coverage level of zero.
  • Step S520 The UE RRC layer performs an access prohibition check according to the access prohibition configuration corresponding to the determined enhanced coverage level.
  • FIG. 6 shows a flow diagram of a method 600 performed at a user equipment UE, in accordance with an embodiment of the disclosure.
  • the method 600 is for performing access barring at the UE RRC layer at the UE. As shown, the method 600 includes the following steps.
  • Step S610 The UE RRC layer determines an enhanced coverage level of the UE according to the repetition level determined after successfully receiving the paging message.
  • the UE determines the repetition level r1, r2, r3, r4 of the UE according to Table 9.1.5.4 in the 3GPP technical specification 36.213, where the value of rmax is replaced by the parameter mPDCCH-NumRepetition-Paging configured above the layer.
  • the repetition level is in one-to-one correspondence with the enhanced coverage level for the access inhibition determination, and the UE determines the enhanced coverage level for the access inhibition determination according to the obtained repetition level. For example, if the repetition level is determined to be r1, the UE determines that its enhanced coverage level is 3; if the repetition level is determined to be r2, the UE determines that its enhanced coverage level is 2; if the repetition level is determined to be r3 Then, the UE determines that its enhanced coverage level is 1; if the repetition level is determined to be r4, the UE determines that its enhanced coverage level is 0.
  • Step S620 The UE RRC layer performs an access prohibition check according to the access prohibition configuration corresponding to the determined enhanced coverage level.
  • FIG. 7 is a schematic diagram of a method for implementing access barring on a UE side according to an embodiment of the present disclosure, specifically including the following steps:
  • Step S710 The UE or the UE RRC layer initiates a radio resource control connection establishment or recovery procedure.
  • Step S720 Determine an enhanced coverage level of the UE, or obtain an enhanced coverage level of the UE.
  • the UE RRC layer determines an enhanced coverage level of the UE according to the measured RSRP.
  • step S720 may occur after the triggering of step S730, as before step S730A; or step S720 may be performed before step S710.
  • Step S730 The UE RRC layer performs an access prohibition check. Step S730 may specifically include steps S730A and S730B.
  • Step S730A The UE RRC layer performs an access prohibition check according to the access prohibition item in the existing system version.
  • Step S730B The UE RRC layer performs an access prohibition check according to the enhanced coverage level of the UE and the acquired access prohibition configuration including the enhanced coverage level.
  • step S740 is performed; if the access prohibition check result is that the access to the cell is not prohibited, step S750 is performed.
  • Step S740 If the access prohibition check result is that the access to the cell is prohibited, notify the upper layer to establish an RRC connection failure or restore the RRC connection failure, suspend indication, and application access prohibition, and end the RRC procedure. .
  • Step S750 Continue the RRC connection establishment or recovery process, such as applying the default physical channel configuration, applying the default MAC master configuration, applying a Common Control CHannel (CCCH) configuration, and starting the timer T300.
  • the order of step S730A and step S730B can be exchanged.
  • step S730B may be performed in the process of step S730A. That is, in step S730A, the check of the plurality of access prohibition items in the existing system access prohibition check is included, and then the access prohibition check based on the enhanced coverage level in step S730B can be regarded as an independent check item, the order of the check items. It may be placed between any two inspection items of a plurality of inspection items in the process of step S730A.
  • the UE RRC layer determines an enhanced coverage level of the UE based on the measured RSRP. For example, if the system supports an enhanced coverage level ranging from 0 to N, if the RSRP threshold th_N of the enhanced coverage level N is configured and the measured RSRP is less than the threshold value th_N and the UE supports the enhanced coverage level N, the UE or UE The RRC layer considers that it is in the enhanced coverage level N; otherwise, if the RSRP threshold th_N-1 of the enhanced coverage level N-1 is configured and the measured RSRP is less than the threshold value th_N-1 and the UE supports the enhanced coverage level N-1, then The UE or the UE RRC layer considers that it is in the enhanced coverage level N-1; otherwise, if the RSRP threshold th_N of the enhanced coverage level N-2 is configured and the measured RSRP is less than the threshold value th_N-2 and the UE supports the enhanced coverage level N- 2, the UE or the UE RRC layer consider
  • the UE acquires the RSRP threshold configuration of the enhanced coverage level from the base station.
  • This configuration may be included in system information, such as system information block 14.
  • the measurement may also be a measured Reference Signal Received Quality (RSRQ); or RSRP and RSRQ.
  • RSRQ Reference Signal Received Quality
  • the UE RRC layer acquires an enhanced coverage level of the UE from the UE MAC layer. Specifically, the UE RRC layer indicates to the UE MAC layer to acquire an enhanced coverage level of the UE, and the UE MAC layer determines an enhanced coverage level of the UE, and notifies the UE RRC layer of the determined enhanced coverage level.
  • the UE MAC layer determines the enhanced coverage level of the UE according to the measured RSRP, which can be implemented by using configuration parameters in the random access in the prior art. For example, if the upper layer configures the RSRP threshold of the enhanced coverage level 3 in the rsrp-ThresholdsPrachInfoList and the measured RSRP is smaller than the threshold of the enhanced coverage level 3 and supports the enhanced coverage level 3, the MAC entity considers that it is in the enhanced coverage level 3 Otherwise, if the upper layer configures the RSRP threshold of the enhanced coverage level 2 in the rsrp-ThresholdsPrachInfoList and the measured RSPR is less than the threshold of the enhanced coverage level 2 and supports the enhanced coverage level 2, the MAC entity considers that it is in the enhanced coverage level 2 Otherwise, if the upper layer configures the RSRP threshold of the enhanced coverage level 1 in the rsrp-ThresholdsPrachInfoList and the measured RSRP is less than the threshold of the coverage enhancement level, the entity considers that it
  • the UE RRC layer determines its enhanced coverage level for access barring determination based on the level of repetition determined after successfully receiving the paging message, as described above in connection with FIG.
  • the enhanced coverage level assessment/determination continues in the RRC connection setup procedure or the RRC connection recovery procedure, or before the end of the RRC connection setup procedure or before the RRC connection recovery procedure ends. If the determined enhanced coverage level is different from the enhanced coverage level used for the last access barring check, the UE will perform an access barring check based on the determined enhanced coverage level, if access to the cell is prohibited, If the lower layer has an ongoing random access procedure, the lower layer is instructed to abandon the ongoing random access procedure; the upper layer is notified that the RRC connection failure is failed, the RRC connection failure and the suspension indication are restored, and the access prohibition is applied, and the RRC procedure is terminated. .
  • the following embodiment describes a UE performing an access barring check method.
  • the UE will:
  • the system information block xx is also broadcasted, and the system information block XX includes an access prohibition configuration for enhancing coverage level information.
  • the access prohibition bit bitmap (ab-barringbitmap) included in the access barring public information element (ab-common) is correspondingly The bit is set to 1:
  • the corresponding bit in the access prohibition enhanced coverage level (ab-barringCElevel) is set to 1 (or 0);
  • the values are in the range of 11 to 15, and are included in the special access category access prohibition (ab-barring for special AC) in the access barring public information element (ab-common).
  • the corresponding bit is set to 0 (zero):
  • the access prohibition bitmap (ab-barringbitmap) response included in the access prohibition configuration information element (ab-config) Bit is set to 1:
  • the corresponding bit in the access prohibition enhanced coverage level information (ab-barringCElevel) is set to 1 (or 0);
  • the value is in the range of 11 to 15, and is included in the special access category access prohibition (ab-barring for special AC) in the access prohibition configuration information element (ab-config).
  • the corresponding bit is set to 0 (zero):
  • the UE will:
  • the system information block xx is also broadcasted, and the system information block XX includes an access prohibition configuration for enhancing coverage level information.
  • the corresponding bit in the access prohibition enhanced coverage level (ab-barringCElevel) is set to 1 (or 0);
  • the access prohibition bit bitmap (ab-barringbitmap) response included in the access prohibition common information element (ab-common) Bit is set to 1:
  • the values are in the range of 11 to 15, and are included in the special access category access prohibition (ab-barring for special AC) in the access barring public information element (ab-common).
  • the corresponding bit is set to 0 (zero):
  • (ab-PerPLMN-List) selects the corresponding per-PLMN access barring (ab-PerPLMN) entry;
  • the corresponding bit in the access prohibition enhanced coverage level (ab-barringCElevel) is set to 1 (or 0);
  • the access prohibition bitmap (ab-barringbitmap) response included in the access prohibition configuration information element (ab-config) Bit is set to 1:
  • the value is in the range of 11 to 15, and is included in the special access category access prohibition (ab-barring for special AC) in the access prohibition configuration information element (ab-config).
  • the corresponding bit is set to 0 (zero):
  • the enhanced coverage level of the UE is Eclevel_n
  • the enhanced coverage level access prohibit list (ab-perCElevel-list) included in the access prohibition configuration includes the UE enhanced coverage level Eclevel_n
  • an enhanced coverage level access prohibition (ab-perCElevel) item corresponding to the UE enhanced coverage level is selected for access prohibition check.
  • the UE determines its enhanced coverage level in accordance with methods described in other embodiments of the present disclosure.
  • one implementation manner is that the UE will:
  • a system information block xx is also included, and the system information block XX includes an access barring configuration for enhancing coverage level information.
  • the access prohibition bit bitmap (ab-barringbitmap) response included in the access prohibition public information element (ab-common) Bit is set to 1:
  • the values are in the range of 11 to 15, and are included in the special access category access prohibition (ab-barring for special AC) in the access prohibition public information element (ab-common).
  • the corresponding bit is set to zero:
  • each enhanced coverage level access barring list (ab-PerCElevel-List) is included in the access barring parameter information element (ab-Param): the per-enhanced coverage level access barring list according to the enhanced coverage level determined by the UE (ab-PerCElevel-List) selects the corresponding per-enhanced coverage level access prohibition (ab-PerCElevel) item;
  • the value is in the range of 11 to 15, and the corresponding bit in the special access type access prohibition (ab-barringforspecialAC) is set to zero:
  • the access prohibition bit bitmap (ab-barringbitmap) response included in the access prohibition public information element (ab-common) Bit is set to 1:
  • the values are in the range of 11 to 15, and are included in the special access category access prohibition (ab-barring for special AC) in the access barring public information element (ab-common).
  • the corresponding bit is set to zero:
  • each enhanced coverage level access barring list (ab-PerCElevel-List) is included in the access barring parameter information element (ab-Param) or per PLMN access barring item: the enhanced coverage level determined according to the UE is The enhanced coverage level access prohibition list (ab-PerCElevel-List) selects a corresponding per-enhanced coverage level access prohibition (ab-PerCElevel) item;
  • the value is in the range of 11 to 15, and the corresponding bit in the special access type access prohibition (ab-barringforspecialAC) is set to zero:
  • the UE will:
  • a system information block xx is also included, and the system information block XX includes an access barring configuration for enhancing coverage level information.
  • the enhanced coverage level of the UE is less than or equal to (or greater than or equal to) the enhanced coverage level value indicated in the access prohibition enhanced coverage level (ab-barring CElevel);
  • the access prohibition bit bitmap (ab-barringbitmap) response included in the access prohibition common information element (ab-common) Bit is set to 1:
  • the values are in the range of 11 to 15, and are included in the special access category access prohibition (ab-barring for special AC) in the access barring public information element (ab-common).
  • the corresponding bit is set to zero:
  • the enhanced coverage level of the UE is less than or equal to (or greater than or equal to) the enhanced coverage level value indicated in the access prohibition enhanced coverage level (ab-barringCElevel);
  • the access prohibition bitmap (ab-barringbitmap) response included in the access prohibition configuration information element (ab-config) Bit is set to 1:
  • the value is in the range of 11 to 15, and is included in the special access category access prohibition (ab-barring for special AC) in the access prohibition configuration information element (ab-config).
  • the corresponding bit is set to zero:
  • the UE if the UE belongs to the UE type indicated in the extended access barring type information element (eab-category) and accesses the access class of the UE stored in the USIM, it is prohibited in the extended access.
  • the corresponding bit in the eab-barring bitmap is set to 1; and the enhanced coverage level of the UE is set to the corresponding bit in the extended access prohibition enhanced coverage level bitmap (eab-CElevelbitmap). 1 (or set to 0), the UE considers that access to the cell is prohibited; otherwise, the UE considers that access to the cell is not prohibited.
  • the UE if the enhanced coverage level of the UE is set to 1 (or set to 0) in the extended access prohibition enhanced coverage level bit bitmap (eab-CElevelbitmap), the UE considers that The access to the cell is forbidden; otherwise, if the UE belongs to the UE type indicated in the extended access barring type (eab-category) information element and the access class of the UE stored in the USIM, The corresponding bit in the extended access barring bitmap (eab-barringbitmap) is set to 1, and the UE considers that access to the cell is prohibited.
  • the extended access barring bitmap eab-barringbitmap
  • the UE if the enhanced coverage level of the UE is set to 1 (or set to 0) in the extended access prohibition enhanced coverage level bit bitmap (eab-CElevelbitmap), the UE considers that Incoming to the cell is not prohibited; otherwise, if the UE belongs to the UE type indicated in the extended access barring type (eab-category) information element and the access class of the UE stored in the USIM, The corresponding bit in the extended access barring bitmap (eab-barringbitmap) is set to 1, and the UE considers that access to the cell is prohibited.
  • the extended access barring bitmap eab-barringbitmap
  • the UE considers that access restriction based on enhanced coverage level is not applicable to mobile terminating services.
  • FIG. 8 shows a flow diagram of a method 800 performed at a base station in accordance with an embodiment of the disclosure.
  • Method 800 is for implementing access barring at the RRC layer at the base station. As shown, method 800 includes the following steps.
  • Step S810 Send an enhanced coverage level threshold configuration to the user equipment UE, where the enhanced coverage level threshold configuration includes one or more enhanced coverage level thresholds, and each enhanced coverage level threshold corresponds to an enhanced coverage. grade.
  • the base station may send an enhanced coverage level threshold configuration to the UE through the broadcast information.
  • This configuration information can be included in the system information.
  • the enhanced coverage level threshold value configuration may be a threshold value list, including N threshold value configurations, each threshold value corresponding to an enhanced coverage level, and N is a maximum coverage level index value supported by the system. For example, if the maximum coverage level index value supported by the system is 3, the threshold value list configured by the base station includes three threshold value configurations, wherein the threshold value 3 corresponds to the threshold value of the enhanced coverage level 3, and the threshold value 2 corresponds to The threshold of the coverage level 2 is enhanced; the threshold value 1 corresponds to the threshold value of the enhanced coverage level 1.
  • the enhanced coverage threshold value configuration may be based on RSRP.
  • the value range is the same as the RSRP range supported by the system.
  • the enhanced coverage threshold value configuration may also be based on RSRQ.
  • the range of values is the same as the range of RSRQ supported by the system.
  • FIG. 9 illustrates a flow diagram of a method 900 performed at a user equipment UE, in accordance with an embodiment of the disclosure.
  • Method 900 is for performing access barring at the UE MAC layer. As shown, method 900 includes the following steps.
  • Step S910 The UE RRC layer triggers an RRC connection establishment procedure or an RRC connection recovery procedure, and performs an access prohibition check according to an existing standard technical specification (see section 5.3.3.14 of the technical specification 36.331).
  • Step S920 The UE RRC layer initiates an RRC connection recovery request or an RRC connection establishment request.
  • Step S930 When the random access procedure is triggered, the UE MAC layer determines the enhanced coverage level of the UE. This can reuse existing technical specifications (see section 5.1.1 of the standard technical specification TS 36.321), and can also employ the UE enhanced coverage level determination method in other embodiments of the present disclosure.
  • Step S940 The UE MAC layer performs an access prohibition check according to the access prohibition configuration corresponding to the determined enhanced coverage level.
  • step S950 is performed.
  • step S960 is performed.
  • Step S950 The UE MAC layer notifies the upper layer (for example, the UE RRC layer) that access to the cell is prohibited.
  • this step may also include stopping or abandoning the ongoing random access procedure.
  • the UE RRC layer When receiving the cell prohibition indication of the UE MAC layer, the UE RRC layer considers that access to the cell is prohibited, or stops/abandons the ongoing RRC procedure, and informs the upper layer that the RRC procedure fails.
  • the RRC procedure may be an RRC connection setup procedure or an RRC connection recovery procedure.
  • Step S960 If the result of the access prohibition check indicates that the UE accesses the cell is not prohibited, if the number of random access preamble transmissions reaches the maximum random access preamble transmission number corresponding to the enhanced coverage level of the UE, The UE MAC layer adjusts the enhanced coverage level of the UE, and performs an additional access barring check according to the adjusted enhanced coverage level. This step occurs when the UE's enhanced coverage level changes. For example, if the number of random access preamble transmissions reaches the maximum random access preamble transmission number corresponding to the current UE's enhanced coverage level, the UE MAC layer considers that the UE is in the next enhanced coverage level; and then performs the UE based on the newly determined UE enhanced coverage level. Step S940.
  • the access barring check is only performed during the initial access, but whether the UE is in the initial access, only at the UE RRC layer, the UE MAC layer does not know when performing the random access procedure. Whether the current random access procedure is in initial access.
  • a method in the present disclosure is that the UE MAC layer acquires from the UE RRC layer and needs to know whether the current random access procedure is in initial access, that is, if the random access procedure is triggered by the UE RRC layer, the UE RRC layer The UE is notified to inform the UE whether the random access procedure is in the initial access (that is, whether the upper layer is in the RRC connection establishment or the RRC connection recovery procedure), or whether the random access procedure needs to perform the access prohibition check.
  • the UE MAC layer performs S940 only when the UE RRC layer indicates that the random access procedure is in initial access or the random access procedure needs to perform an access barring check.
  • the UE MAC layer does not need to know whether the current random access procedure is in initial access.
  • the UE RRC layer receives the indication that the access to the cell is forbidden, if it is not in the initial access (ie, the UE RRC layer) If not in the RRC connection setup or RRC connection recovery procedure, the UE RRC layer ignores the indication.
  • the random access procedure is performed as follows:
  • the access prohibition check is performed
  • the MAC performs an enhanced coverage level based access barring check before the random access resource is selected, or the MAC sends a random access preamble.
  • the MAC layer includes the following operations:
  • PREAMBLE_TRANSMISSION_COUNTER_CE if both the serving cell and the UE support the next enhanced coverage level, it is considered to be in the next enhanced coverage level, otherwise, it remains in the current enhanced coverage level; if it is considered to be in the next enhanced coverage level, optionally and the upper layer is configured If the check-in configuration/parameter is disabled, the access prohibition check is performed.
  • the process in which the UE MAC layer performs an access barring check is as described in the previous embodiment.
  • the UE MAC layer performs an access barring check procedure, and the UE will:
  • the access is considered to be The cell is forbidden.
  • Another description is that if the upper layer is configured with an enhanced coverage level-based access prohibition configuration/parameter ab-barringCElevel, if the enhanced coverage level for the UE is set to 1 (or 0) in the ab-barringCElevel corresponding bit. It is considered that access to the cell is not prohibited; otherwise, access to the cell is considered to be prohibited.
  • the UE MAC layer performs an access barring check process, and the UE: if the upper layer is configured with an enhanced coverage level-based access barring configuration/parameter X3, if the enhanced coverage level of the UE is less than or equal to X3, The UE considers that access to the cell is prohibited, and/or if the enhanced coverage level of the UE is greater than or equal to X, the UE considers that access to the cell is not prohibited; and vice versa, if the enhanced coverage of the UE If the level is less than or less than or equal to X, the UE considers that access to the cell is not prohibited, and/or if the enhanced coverage level of the UE is greater than or equal to X, the UE considers that access to the cell is prohibited.
  • X3 can be understood as the maximum access prohibition enhanced coverage level, or the minimum access prohibition enhanced coverage level, or the largest non-access prohibition enhanced coverage level, or the smallest non-access prohibition enhanced coverage level. .
  • the present disclosure also provides a method in which a UE RRC layer performs access barring based on an enhanced coverage level indicated by a UE MAC layer.
  • the method is similar to the access barring method performed at the UE RRC layer, and may also include the following embodiments.
  • the UE MAC layer if the UE MAC layer considers the UE to be in the next enhanced coverage level during the random access procedure, the UE MAC layer indicates the determined enhanced coverage level to the upper layer. If the UE RRC layer receives the UE enhanced coverage level indicated by the UE MAC layer, the UE RRC layer performs an access prohibition check based on the enhanced coverage level according to the enhanced coverage level. If the result of the check is that the access to the cell is not passed, the UE is notified to the MAC layer to abandon the ongoing random access procedure, and the ongoing RRC connection establishment procedure or the RRC connection recovery procedure is ended. After receiving the abandonment indication of the UE RRC layer, the UE MAC layer relinquishes the ongoing random access procedure.
  • the UE MAC layer may stop the random access procedure currently being performed until an upper layer confirmation indication is received.
  • the acknowledgment indication is used to inform the UE that the MAC layer continues the random access procedure.
  • the UE RRC layer sends the UE RRC layer to the lower layer if the access restriction check result based on the enhanced coverage level is that the access to the local cell is not prohibited.
  • a confirmation indication instructs the lower layer to continue the random access process in progress of the retaining wall.
  • FIG. 10 shows a schematic structural diagram of a UE 1000 according to an embodiment of the present disclosure.
  • the UE 1000 can be used to perform the method described with reference to FIG. 1, FIG. 3, FIG. 5 - FIG. 7, or FIG.
  • the UE 1000 includes a transceiver 1001 for external communication; a processing unit or processor 1003, which may be a single unit or a combination of a plurality of units for performing different steps of the method; the memory 1005 Computer-executable instructions are stored therein, which, when executed by the processor 1003, cause the UE 1000 to perform the following operations corresponding to the method 100: receiving, for the one or more enhanced coverage levels, from the base station via the transceiver 1001 Entering a forbidden configuration; selecting an access barring configuration parameter corresponding to the enhanced coverage level of the UE according to the received access barring configuration; and performing an access barring check according to the selected access barring configuration parameter to determine whether the UE is configured It is forbidden to access the cell under the base station.
  • the memory 1005 also stores instructions that cause the processor 1003 to perform the following operations: applying the selected access barring configuration parameters.
  • the received access barring configuration includes a bit bitmap, each bit of the bit bitmap corresponding to one of the one or more enhanced coverage levels.
  • the memory 1005 can also store computer-executable instructions that, when executed by the processor 1003, cause the UE 1000 to perform the following operations corresponding to the method 300: receiving, via the transceiver 1001, whether or not the enhanced coverage level is enabled from the base station. An indication of access barring; and if the received indication indicates that access barring for enhanced coverage levels is enabled, an access barring configuration for one or more enhanced coverage levels is obtained to perform an access barring check.
  • the memory 1005 may also store computer-executable instructions that, when executed by the processor 1003, cause the UE 1000 to perform the following operations corresponding to the method 500/method 700: determining the enhancement of the UE based on the measured reference signal received power RSRP The coverage level; and the UE RRC layer performs an access barring check according to the access barring configuration corresponding to the determined enhanced coverage level.
  • determining an enhanced coverage level of the UE according to the measured RSRP includes: determining, by the UE RRC layer, an enhanced coverage level of the UE according to a comparison result of the measured RSRP and a predetermined RSRP threshold; or the UE MAC layer according to the measured RSRP The result of the comparison with the predetermined RSRP threshold is used to determine the enhanced coverage level of the UE, and the determined enhanced coverage level is indicated to the UE RRC layer.
  • the memory 1005 may also store computer-executable instructions that, when executed by the processor 1003, cause the UE 1000 to perform the following operations corresponding to the method 600/method 700: the UE RRC layer determines from the successful receipt of the paging message a repetition level to determine an enhanced coverage level of the UE; and the UE RRC layer performs an access barring check according to the access barring configuration corresponding to the determined enhanced coverage level.
  • the memory 1005 may also store computer-executable instructions that, when executed by the processor 1003, cause the UE 1000 to perform the following operations corresponding to the method 900: the UE MAC layer determines an enhanced coverage level of the UE; and the UE MAC layer is based on The access barring configuration corresponding to the determined enhanced coverage level performs an access barring check.
  • the memory 1005 further stores instructions that cause the processor 1003 to perform the following operations: if the result of the access barring check indicates that the UE access to the cell is not prohibited, then the number of random access preamble transmissions is reached. In the case of the maximum random access preamble transmission number corresponding to the enhanced coverage level of the UE, the UE MAC layer adjusts the enhanced coverage level of the UE, and performs an additional access prohibition check according to the adjusted enhanced coverage level.
  • FIG. 11 shows a schematic structural diagram of a base station 1100 according to an embodiment of the present disclosure.
  • the base station 1100 can be used to perform the method described with reference to FIG. 2, FIG. 4 or FIG.
  • the base station 1100 includes a transceiver 1101 for external communication; a processing unit or processor 1103, which may be a single unit or a combination of a plurality of units for performing different steps of the method; the memory 1105 Where computer executable instructions are stored, which, when executed by the processor 1103, cause the base station 1100 to perform the following operations corresponding to the method 200 of transmitting one or more enhanced coverage levels to the user equipment UE via the transceiver 1001. Access is prohibited.
  • the memory 1105 can also store computer-executable instructions that, when executed by the processor 1103, cause the base station 1100 to perform the following operations corresponding to the method 400: transmitting, via the transceiver 1001, to the user equipment UE as to whether to enable enhancement An indication of the access prohibition of the coverage level.
  • the memory 1105 can also store computer-executable instructions that, when executed by the processor 1103, cause the base station 1100 to perform the following operations corresponding to the method 800: transmitting an enhanced coverage level threshold to the user equipment UE via the transceiver 1001
  • the enhanced coverage level threshold configuration includes one or more enhanced coverage level thresholds, and each enhanced coverage level threshold corresponds to an enhanced coverage level.
  • the enhanced coverage level threshold configuration is based on RSRP.
  • the present disclosure also provides at least one computer storage medium in the form of a non-volatile or volatile memory, such as an electrically erasable programmable read only memory (EEPROM), a flash memory, and a hard drive.
  • EEPROM electrically erasable programmable read only memory
  • the computer executable instructions when executed by the processor 1003, cause the UE 1000 to perform actions such as those previously described in connection with FIG. 1, FIG. 3, FIG. 5-7, or FIG. 9, or cause the base station 1100 to perform when executed by the processor 1103. For example, the actions of the process previously described in connection with FIG. 2, FIG. 4 or FIG.
  • the processor may be a single CPU (Central Processing Unit), but may also include two or more processors.
  • a processor can include a general purpose microprocessor; an instruction set processor and/or a related chipset and/or a special purpose microprocessor (eg, an application specific integrated circuit (ASIC)).
  • the processor may also include onboard memory for caching purposes.
  • the computer storage medium can be flash memory, random access memory (RAM), read only memory (ROM), or EEPROM.
  • the program running on the device may be a program that causes a computer to implement the functions of the embodiments of the present disclosure by controlling a central processing unit (CPU).
  • the program or information processed by the program can be temporarily stored in a volatile memory (such as a random access memory RAM), a hard disk drive (HDD), a non-volatile memory (such as a flash memory), or other memory system.
  • a volatile memory such as a random access memory RAM
  • HDD hard disk drive
  • non-volatile memory such as a flash memory
  • a program for realizing the functions of the embodiments of the present disclosure may be recorded on a computer readable recording medium.
  • the corresponding functions can be realized by causing a computer system to read programs recorded on the recording medium and execute the programs.
  • the so-called "computer system” herein may be a computer system embedded in the device, and may include an operating system or hardware (such as a peripheral device).
  • the "computer readable recording medium” may be a semiconductor recording medium, an optical recording medium, a magnetic recording medium, a recording medium of a short-term dynamic storage program, or any other recording medium readable by a computer.
  • circuitry e.g., monolithic or multi-chip integrated circuits.
  • Circuitry designed to perform the functions described in this specification can include general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs), or other programmable logic devices, discrete Gate or transistor logic, discrete hardware components, or any combination of the above.
  • DSPs digital signal processors
  • ASICs application specific integrated circuits
  • FPGAs field programmable gate arrays
  • a general purpose processor may be a microprocessor or any existing processor, controller, microcontroller, or state machine.
  • the above circuit may be a digital circuit or an analog circuit.
  • One or more embodiments of the present disclosure may also be implemented using these new integrated circuit technologies in the context of new integrated circuit technologies that replace existing integrated circuits due to advances in semiconductor technology.
  • present disclosure is not limited to the above embodiment. Although various examples of the embodiments have been described, the present disclosure is not limited thereto.
  • Fixed or non-mobile electronic devices installed indoors or outdoors can be used as terminal devices or communication devices such as AV devices, kitchen devices, cleaning devices, air conditioners, office equipment, vending machines, and other home appliances.

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Abstract

L'invention concerne un procédé exécuté au niveau d'un équipement utilisateur (UE), et un UE correspondant. Le procédé consiste à déterminer un niveau d'amélioration de couverture d'un UE en fonction de la puissance de réception de signal de référence (RSRP) mesurée; et une couche de commande de ressource radio (RRC) d'un UE exécutant une vérification d'interdiction d'accès correspondante selon une configuration d'interdiction d'accès correspondant au niveau d'amélioration de couverture déterminé. L'invention concerne également deux autres procédés exécutés au niveau d'un UE, et un UE correspondant, et un procédé exécuté au niveau d'une station de base, et une station de base correspondante.
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WO2020088598A1 (fr) * 2018-11-02 2020-05-07 华为技术有限公司 Procédé et dispositif de détermination d'informations de catégorie

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