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WO2010118659A1 - Procédé et dispositif de transport et de réception d'informations de commande de canal de commande de service de diffusion/multidiffusion multimédia (mcch) et d'informations d'indication de mise à jour mcch - Google Patents

Procédé et dispositif de transport et de réception d'informations de commande de canal de commande de service de diffusion/multidiffusion multimédia (mcch) et d'informations d'indication de mise à jour mcch Download PDF

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Publication number
WO2010118659A1
WO2010118659A1 PCT/CN2010/071347 CN2010071347W WO2010118659A1 WO 2010118659 A1 WO2010118659 A1 WO 2010118659A1 CN 2010071347 W CN2010071347 W CN 2010071347W WO 2010118659 A1 WO2010118659 A1 WO 2010118659A1
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WO
WIPO (PCT)
Prior art keywords
mcch
update indication
indication information
control
information
Prior art date
Application number
PCT/CN2010/071347
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English (en)
Chinese (zh)
Inventor
苟伟
毕峰
马子江
Original Assignee
中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2010118659A1 publication Critical patent/WO2010118659A1/fr

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Classifications

    • 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
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Definitions

  • the present invention relates to a bearer and receive technology for control information of a multimedia broadcast multicast service control channel (MCCH, MBMS Control Channel) and MCCH update indication information, and more particularly to a multimedia broadcast multicast service (MBMS, Multimedia Broadcast Multicast Service).
  • MCCH and MCCH update method and device for carrying and receiving control information of indication information are described in detail below.
  • MBMS 3rd Generation Partnership Project
  • 3GPP proposes MBMS, which is a technology for transmitting data from one data source to multiple target mobile terminals, realizing the network ( The sharing of resources including the core network and the access network improves the utilization of network resources (especially air interface resources).
  • MBMS defined by 3GPP can not only realize plain text low-rate message class multicast and broadcast, but also realize high-speed multimedia service broadcast and multicast, providing a variety of rich video, audio and multimedia services, which undoubtedly conforms to future mobile
  • LTE Long Term Evolution
  • the bearer mode of the MBMS control channel MCCH is still inconclusive.
  • the MCCH can be transmitted in a single cell mode and mapped to the downlink shared channel (DL).
  • -SCH Downlink
  • the shared channel is combined with the neighboring cell without multimedia broadcast multicast service (MBSFN, Multimedia Broadcast Multicast Service Single Frequency Network), and can also be transmitted in multi-cell mode and mapped to the multicast channel (MCH, Multicast Channel).
  • MBSFN multimedia broadcast multicast service
  • MCH Multimedia Broadcast Multicast Channel
  • the upper transmission, and the neighboring cell perform MBSFN merging.
  • the DL-SCH and the MCH are finally mapped to the subframe of the physical layer.
  • the control information of how to carry the MCCH in the subframe data domain needs to be notified in the subframe.
  • the control domain is sent to the mobile terminal.
  • the radio network temporary identifier (RNTI) passing through the MCCH in the control domain (corresponding to the Physical Downlink Control Channel (PDCCH)) of the subframe carrying the MCCH may be used in the LTE system.
  • the Radio Network Temporary Identifier identifies the MCCH control information in the control domain, so that the mobile terminal acquires the MCCH control information from the control domain, and then receives the MCCH in the data domain according to the indication of the MCCH control information.
  • the main purpose of the present invention is to provide a method and apparatus for transmitting and receiving control information of MCCH and MCCH update indication information, and a method and apparatus for notifying MCCH control information and MCCH update indication information, so as to obtain the mobile terminal.
  • the control information of the MCCH and MCCH update indication information is faster and easier.
  • a method for carrying control information of MCCH and MCCH update indication information comprising: setting the same RNTI for MCCH and MCCH update indication information;
  • Control information including the MCCH and MCCH update indication information of the RNTI One of the non-public search areas carried in the subframe control field, and another control information is carried in the common search area of the subframe control field; or, in the control information of the MCCH and MCCH update indication information that includes the RNTI
  • the control information of the MCCH and the MCCH update indication information of the RNTI is carried in the CCEs of different agreed ranges; or the RNTI is included.
  • the control information of the MCCH and the MCCH update indication information is carried in the control domain of the subframe, and the control information of the MCCH and the MCCH update indication information uses different downlink control information DCI format; or, the RNTI is included
  • the control information of the MCCH and MCCH update indication information is respectively carried in the control domain of different subframes.
  • control information of the MCCH and the MCCH update indication information uses different DCI formats
  • the control information of the MCCH and the MCCH update indication information of the RNTI is carried in the control domain of the subframe, specifically:
  • One of the control information including the MCCH and MCCH update indication information of the RNTI is carried in a non-public search area of a subframe control domain, and another control information is carried in a common search area of a subframe control domain;
  • one of the control information including the MCCH and the MCCH update indication information of the RNTI is carried in a CCE within the agreed range; or the control information of the MCCH and the MCCH update indication information that includes the RNTI Separately carried in CCEs within different agreed scopes;
  • control information of the MCCH and MCCH update indication information including the RNTI is respectively carried in a control domain of different subframes.
  • a method for carrying control information of MCCH and MCCH update indication information includes: setting different RNTIs for MCCH and MCCH update indication information, and carrying control information of the MCCH and MCCH update indication information including RNTI in subframe control area.
  • control signal of the MCCH and MCCH update indication information including the RNTI is carried in the control domain of the subframe, specifically:
  • One of the control information of the MCCH and MCCH update indication information including the RNTI is carried in a non-public search area of the subframe control domain, and another control information is carried in a common search area of the subframe control domain;
  • control information of the MCCH and the MCCH update indication information of the RNTI is carried in the control domain of the subframe, and the control information of the MCCH and the MCCH update indication information uses different downlink control information DCI format;
  • control information of the MCCH and the MCCH update indication information that includes the RNTI is carried in the CCE within the agreed range; or the control information of the MCCH and the MCCH update indication information that includes the RNTI are respectively carried in different agreed ranges.
  • CCE CCE
  • control information of the MCCH and the MCCH update indication information including the RNTI are respectively carried in the control domain of the same subframe;
  • control information of the MCCH and MCCH update indication information including the RNTI is respectively carried in the control domain of different subframes.
  • a method for carrying MCCH control information includes:
  • the control information of the MCCH that includes the RNTI is carried in a non-public search area or a common search area of a subframe control domain; or, the control information of the MCCH that includes the RNTI is carried in a CCE within an agreed range. Or, the control information of the MCCH including the RNTI is used in a predetermined downlink control information DCI format.
  • a method for carrying control information of MCCH update indication information includes:
  • the control information of the MCCH update indication information including the RNTI uses the agreed downlink control information DCI format.
  • a method for notifying MCCH control information and MCCH update indication information comprising:
  • the MCCH control information and the MCCH update indication information share a fixed downlink control signaling format to transmit MCCH control information and MCCH update indication information to the UE, and use the agreed RNTI in the downlink control signaling format.
  • the MCCH control information and the MCCH update indication information share the same fixed downlink control signaling format, specifically:
  • the bits in the fixed downlink control signaling format are used to represent the MCCH control information on the PDCCH in the subframe that carries the MCCH control information; And transmitting, by using the bits in the fixed downlink control signaling format, the MCCH update indication information, on the physical downlink control channel in the subframe that carries the MCCH update indication information;
  • the bits of different positions in the fixed downlink control signaling format respectively represent the control information of the MCCH and The MCCH updates indication information.
  • the method further includes:
  • the first N bits in the fixed downlink control signaling format represent control information of the MCCH, and the remaining bits represent the MCCH update indication information;
  • the last N bits in the fixed downlink control signaling format represent control information of the MCCH, and the remaining bits represent the MCCH update indication information; where N is the maximum number of MCCHs supported by the cell.
  • a method for receiving control information of an MCCH and an MCCH update indication information including: according to a bearer manner of a control information of an MCCH and an MCCH update indication information, using the configured RNTI of the MCCH and the MCCH update indication information, MCCH and The control information of the MCCH and MCCH update indication information is received on the time-frequency resource of the control information of the MCCH update indication information.
  • the RNTI of the MCCH and the MCCH update indication information is the same;
  • the bearer control information of the MCCH and the MCCH update indication information is:
  • One of the control information of the MCCH and MCCH update indication information is carried in a non-public retrieval area of the subframe control domain, and another control information is carried in a public retrieval area of the subframe control domain;
  • one of the control information of the MCCH and the MCCH update indication information is carried in the CCE in the agreed range; or the control information of the MCCH and the MCCH update indication information is respectively carried in the CCEs in different agreed ranges;
  • control information of the MCCH and the MCCH update indication information is carried in the control domain of the subframe, and the control information of the MCCH and the MCCH update indication information uses different downlink control information DCI format;
  • control information of the MCCH and MCCH update indication information is respectively carried in the control domain of different subframes.
  • the RNTI of the MCCH and the MCCH update indication information is different, and the bearer mode of the control information of the MCCH and the MCCH update indication information is:
  • One of the control information of the MCCH and MCCH update indication information is carried in a non-public retrieval area of the subframe control domain, and another control information is carried in a public retrieval area of the subframe control domain;
  • control information of the MCCH and the MCCH update indication information is carried in the CCE in the agreed range; or the control information of the MCCH and the MCCH update indication information are respectively carried in the CCEs in different agreed ranges;
  • control information of the MCCH and the MCCH update indication information is carried in the control domain of the subframe, and the control information of the MCCH and the MCCH update indication information uses different downlink control.
  • Information DCI format
  • control information of the MCCH and the MCCH update indication information is carried in a control domain of the same subframe;
  • control information of the MCCH and MCCH update indication information is respectively carried in the control domain of different subframes.
  • a bearer for controlling information of the MCCH and the MCCH update indication information comprising: a setting unit, configured to set the same RNTI for the MCCH and the MCCH update indication information; and one of the control information of the information is carried in the subframe control domain a public search area, another control information is carried in a common search area of the subframe control domain; or one of the control information including the MCCH and the MCCH update indication information of the RNTI is carried in a CCE within the agreed range; Or, the control information of the MCCH and the MCCH update indication information that includes the RNTI is respectively carried in the CCEs in different agreed ranges; or the control information of the MCCH and the MCCH update indication information that includes the RNTI is carried.
  • control information of the MCCH and the MCCH update indication information uses different downlink control information DCI format; or the control information of the MCCH and MCCH update indication information including the RNTI is respectively carried in The control domain of different subframes.
  • a bearer for controlling information of an MCCH and an MCCH update indication information comprising: a setting unit, configured to set different RNTIs for MCCH and MCCH update indication information;
  • a bearer unit configured to carry a control signal including the MCCH and MCCH update indication information of the RNTI, in a control domain of the subframe.
  • the bearer unit carries the control information of the MCCH and the MCCH update indication information of the RNTI in the control domain of the subframe, specifically:
  • One of the control information of the MCCH and MCCH update indication information including the RNTI is carried in a non-public search area of the subframe control domain, and another control information is carried in a common search area of the subframe control domain;
  • one of the control information of the MCCH and the MCCH update indication information that includes the RNTI is carried in the CCE within the agreed range; or the control information of the MCCH and the MCCH update indication information that includes the RNTI are respectively carried in different
  • the control information of the MCCH and the MCCH update indication information is carried in the control domain of the subframe, and the control information of the MCCH and the MCCH update indication information uses different downlink control information DCI format;
  • control information of the MCCH and the MCCH update indication information including the RNTI are respectively carried in the control domain of the same subframe;
  • control information of the MCCH and MCCH update indication information including the RNTI is respectively carried in the control domain of different subframes.
  • a bearer for MCCH control information includes:
  • a setting unit for setting an RNTI for the MCCH a setting unit for setting an RNTI for the MCCH
  • a bearer unit configured to carry control information of the MCCH that includes the RNTI in a non-public search area or a common search area of a subframe control domain; or, to carry control information of the MCCH that includes the RNTI in an agreement In the CCE in the range; or, the control information of the MCCH including the RNTI uses the agreed downlink control information DCI format.
  • a bearer for controlling information of an MCCH update indication information includes:
  • a setting unit configured to set an RNTI for the MCCH update indication information
  • a bearer unit configured to: carry the control information of the MCCH update indication information that includes the RNTI in a non-public search area or a common search area of a subframe control domain; or, the MCCH update indication information that includes the RNTI
  • the control information is carried in the CCE within the agreed range; or, the control information of the MCCH update indication information that includes the RNTI Use the agreed downlink control information DCI format.
  • the apparatus for receiving control information of the MCCH and the MCCH update indication information includes: an acquiring unit, configured to acquire an RNTI of the MCCH and the MCCH update indication information, and a bearer mode of the control information;
  • a receiving unit configured to receive, by using the RNTI, control information of the MCCH and MCCH update indication information on a time-frequency resource that carries control information of the MCCH and the MCCH update indication information.
  • the RNTI of the MCCH and the MCCH update indication information is the same, and the bearer control information of the MCCH and the MCCH update indication information is:
  • One of the control information of the MCCH and MCCH update indication information is carried in a non-public retrieval area of the subframe control domain, and another control information is carried in a public retrieval area of the subframe control domain;
  • one of the control information of the MCCH and the MCCH update indication information is carried in the CCE in the agreed range; or the control information of the MCCH and the MCCH update indication information is respectively carried in the CCEs in different agreed ranges;
  • control information of the MCCH and the MCCH update indication information is carried in the control domain of the subframe, and the control information of the MCCH and the MCCH update indication information uses different downlink control information DCI format;
  • control information of the MCCH and MCCH update indication information is respectively carried in the control domain of different subframes.
  • the RNTI of the MCCH and the MCCH update indication information is different, and the bearer mode of the control information of the MCCH and the MCCH update indication information is:
  • One of the MCCH and MCCH update indication information control information is carried in a non-public search area of the subframe control domain, and another control information is carried in a common search area of the subframe control domain; Or, one of the control information of the MCCH and the MCCH update indication information is carried in the CCE in the agreed range; or the control information of the MCCH and the MCCH update indication information are respectively carried in the CCEs in different agreed ranges;
  • control information of the MCCH and the MCCH update indication information is carried in the control domain of the subframe, and the control information of the MCCH and the MCCH update indication information uses different downlink control information DCI format;
  • control information of the MCCH and the MCCH update indication information is carried in a control domain of the same subframe;
  • control information of the MCCH and MCCH update indication information is respectively carried in the control domain of different subframes.
  • a notification device for MCCH control information and MCCH update indication information comprising an identification unit and a sending unit; wherein:
  • the identifier unit is configured to respectively share the control information of the MCCH and the MCCH update indication information in different fixed downlink control signaling formats, and use the agreed RNTI for the downlink control signaling format;
  • a sending unit configured to send the MCCH control information and the MCCH update indication information to the UE.
  • the identifier unit when the control information of the MCCH and the MCCH update indication information are carried in different one subframes, the identifier unit further uses the fixed downlink control signaling format on the PDCCH in the subframe that carries the MCCH control information.
  • the bit in the middle indicates the control information of the MCCH; on the physical downlink control channel in the subframe carrying the MCCH update indication information, the MCCH update indication information is represented by using the bits in the fixed downlink control signaling format;
  • the bits of different positions in the fixed downlink control signaling format are further used to represent the control information and the location of the MCCH.
  • the MCCH update indication information is described.
  • the invention determines the bearer resources of the control information of the MCCH and the MCCH update indication information according to the RNTI of the MCCH and the MCCH update indication information configured by the network side, so that the mobile terminal can timely and accurately detect the control information of the MCCH and the MCCH update indication information.
  • the mobile terminal receives the control information of the MCCH and the MCCH update indication information more quickly, thereby making the mobile terminal more power efficient.
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for carrying control information of MCCH and MCCH update indication information in an MBMS system according to the present invention
  • Embodiment 2 is a flowchart of Embodiment 2 of a method for carrying control information of MCCH and MCCH update indication information in an MBMS system according to the present invention
  • Embodiment 3 is a flowchart of Embodiment 3 of a method for carrying control information of MCCH and MCCH update indication information in an MBMS system according to the present invention
  • Embodiment 4 is a flowchart of Embodiment 4 of a method for carrying control information of MCCH and MCCH update indication information in an MBMS system according to the present invention
  • FIG. 5 is a control signal of MCCH and MCCH update indication information in an MBMS system according to the present invention
  • FIG. 6 is a flowchart of a method for carrying control information of MCCH in an MBMS system according to the present invention
  • FIG. 7 is a flowchart of a method for carrying control information of MCCH update indication information in an MBMS system according to the present invention
  • FIG. 8 is a flowchart of a method for receiving control information of MCCH and MCCH update indication information in an MBMS system according to the present invention
  • FIG. 9 is a schematic structural diagram of a first embodiment of a bearer apparatus for controlling information of MCCH and MCCH update indication information in an MBMS system according to the present invention.
  • 10 is a schematic structural diagram of a second embodiment of a second embodiment of a bearer device for controlling information of MCCH and MCCH update indication information in an MBMS system according to the present invention
  • 11 is a schematic structural diagram of a bearer device for controlling information of MCCH in an MBMS system according to the present invention
  • FIG. 12 is a schematic diagram showing the structure of a bearer device for controlling information of MCCH update indication information in an MBMS system according to the present invention
  • FIG. 13 is a schematic structural diagram of a device for receiving control information of MCCH and MCCH update indication information in an MBMS system according to the present invention
  • Figure 14 is a block diagram showing the structure of a notification device for MCCH control information and MCCH update indication information according to the present invention. detailed description
  • MCCH and MCCH update indication information use the same or different RNTI, and the RNTI helps the mobile terminal to find control information of the MCCH or MCCH update indication information in the control domain of the subframe (bearing by the PDCCH), the control
  • the information describes the location of the MCCH or MCCH update indication information in the data field (beared by the DL-SCH) of the subframe, and the modulation coding mode (MCS, Modulation and Coding Scheme) information used.
  • the control information includes scheduling bearer information of MCCH and MCCH update indication information.
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for carrying control information of MCCH and MCCH update indication information in an MBMS system according to the present invention. As shown in FIG. 1, a method for carrying control information of MCCH and MCCH update indication information in the MBMS system of this example is shown in FIG. Includes the following steps:
  • Step 101 Set the same RNTI for the MCCH and MCCH update indication information.
  • the RNTI is a parameter configured by the network side.
  • the MCCH is updated to reduce the complexity of the system configuration and reduce the processing complexity when the mobile terminal receives the control information of the MCCH and the MCCH update indication information.
  • the RNTI of the indication information is configured to be the same as the RNTI of the MCCH, so that one RNTI can be configured in the system to implement the MCCH.
  • the RNTI is an identifier that assists the mobile terminal in receiving control information of the MCCH and the MCCH update indication information in the control domain of the subframe.
  • the RNTI is implicitly included in the MCCH.
  • the CRC (Cyclic Redundancy Check) check code of the MCCH update indication information (refer to the LTE protocols 36.212 and 36.211 protocols), where the MCCH or MCCH update indication information control information respectively describes the MCCH and MCCH update indications.
  • the information is in the data field of the subframe (corresponding to the DL-SCH), the MCS information used, and the like.
  • the control information of the MCCH includes scheduling configuration information, which is used to describe the time-frequency resource information of the MCCH in the subframe data domain, the MCS information used by the MCCH, and the like.
  • the control information of the MCCH update indication information includes scheduling configuration information, which is used to describe the time-frequency resource information of the MCCH update indication information in the subframe data domain, and the adopted MCS information and the like.
  • Step 102 Carry one of the control information of the MCCH and MCCH update indication information that includes the RNTI in a non-public search area of a subframe control domain, and another control information is carried in a common search area of a subframe control domain.
  • the first to four Orthogonal Frequency Division Multiplexing (OFDM) symbols of one subframe are the control i or the subframe. Which OFDM symbols are controlled by i or specifically, are determined and notified by the system network side.
  • the unit for carrying control information in the subframe control domain is a Control Channel Element (CCE).
  • CCE Control Channel Element
  • the control information of the MCCH and the MCCH update indication information is carried in the non-public search area and the common search area in the subframe control domain, that is, the MCCH and the MCCH update indication are distinguished by the time-frequency resources of the control information carrying the MCCH and the MCCH update indication information.
  • the control information of the information so that the mobile terminal receives the control information of the MCCH and the MCCH update indication information on the corresponding time-frequency resource. Since the control information of the MCCH update indication information is that the mobile terminal needs to receive and read from time to time, it can be carried in the public search area of the control domain, due to the public search area.
  • the CCE resource range used is fixed and relatively small, which can improve the efficiency of blind detection of the mobile terminal, and is beneficial to the power saving of the mobile terminal.
  • the MCCH control information is carried in a non-public search area. Similarly, the control information of the MCCH is carried in the common search area, and the control information of the MCCH update indication information is carried in the non-public search area.
  • the format of the downlink control information (DCI, Downlink Control Information) used by the MCCH and MCCH update indication information is the same.
  • the DCI format of the control information is set, and one of them is selected and notified to the mobile terminal.
  • different DCI formats may be selected for the control information of the MCCH and MCCH update indication information.
  • the network side transmits the control information of the RNTI containing the MCCH in the control domain of the subframe in which the MCCH is transmitted, and sends the MCCH on the time-frequency resource of the data field indicated by the control information.
  • the network side sends the control information of the RNTI containing the MCCH update indication information to the control domain bearer of the subframe in which the MCCH update indication information is sent, and sends the MCCH update indication information on the time-frequency resource of the data domain indicated by the control information. .
  • FIG. 2 is a flowchart of Embodiment 2 of a method for carrying control information of MCCH and MCCH update indication information in an MBMS system according to the present invention.
  • a method for carrying control information of MCCH and MCCH update indication information in the MBMS system of this example is shown in FIG. Includes the following steps:
  • Step 201 Set the same RNTI for the MCCH and MCCH update indication information.
  • Step 202 Carry one of the control information including the MCCH and MCCH update indication information of the RNTI in a CCE within an agreed range; or control information including the MCCH and MCCH update indication information of the RNTI They are carried in CCEs within different agreed scopes.
  • At least one of the control information of the MCCH or the MCCH update indication information is set to a dedicated CCE, such that the control information of the MCCH or the MCCH update indication information carried in the dedicated CCE is carried in the CCE other than the dedicated CCE. That is MCCH update indication information Or MCCH control information.
  • a dedicated CCE can also be set for the control information of the MCCH and the control information of the MCCH update indication information.
  • the mobile terminal can determine which CCEs carry the MCCH control information and which CCEs are carried by the CCE number in the subframe control domain. It is the control information of the MCCH update indication information.
  • the number of the CCEs carrying the control information of the MCCH and the MCCH update indication information is preferably consecutive, and the numbers in the subframe are 17 to 24.
  • the CCE carries the control information of the MCCH update indication information, and the CCEs numbered 25 to 32 carry the MCCH control information, so that the mobile terminal can only know the corresponding control information by blindly checking the CCEs numbered 17 to 32.
  • the DCI formats used by the MCCH and MCCH update indication information are the same or different.
  • the preferred DCI format is format 1C (specific format definition refers to LTE protocol 36.212).
  • the control information of the MCCH and the MCCH update indication information in the step 202 includes the RNTI, that is, the network side implicitly includes the RNTI in the CRC of the control information of the MCCH and the MCCH update indication information (the specific implicit method may refer to the LTE protocol). 36.212 and 36.211).
  • FIG. 3 is a flowchart of Embodiment 3 of a method for loading control information of MCCH and MCCH update indication information in an MBMS system according to the present invention.
  • a method for carrying control information of MCCH and MCCH update indication information in the MBMS system of the present example is shown in FIG. Includes the following steps:
  • Step 301 Set the same RNTI for the MCCH and MCCH update indication information.
  • Step 302 The control information of the MCCH and MCCH update indication information including the RNTI is respectively carried in a control domain of a subframe, and the control information of the MCCH and MCCH update indication information uses different DCI formats.
  • the DCI format selected for the control information of the MCCH and the MCCH update indication information is differentiated.
  • the DCI format of the MCCH and the MCCH update indication information may also be used, and the DCI is preferably used by the MCCH.
  • the format is the format 1C format
  • the MCCH update indication information may use other DCI formats for downlink
  • the DCCH format is format 1C format for the MCCH update indication information
  • the other DCI format for the downlink may be used for the MCCH information.
  • the mobile terminal performs blind detection according to different DCI formats, and can respectively receive control information of the MCCH and MCCH update indication information. For the implementation of blind detection, refer to the relevant description in Protocol 36.212.
  • the control information of the MCCH and the MCCH update indication information may be The bearer is carried in the bearer mode in the foregoing step 102 and step 202.
  • the control information of the MCCH and the MCCH update indication information in the step 302 includes the RNTI, that is, the network side implicitly includes the RNTI in the CRC of the control information of the MCCH and the MCCH update indication information (the specific implicit method may refer to the LTE protocol). 36.212 and 36.211).
  • FIG. 4 is a flowchart of Embodiment 4 of a method for carrying control information of MCCH and MCCH update indication information in an MBMS system according to the present invention.
  • a method for carrying control information of MCCH and MCCH update indication information in the MBMS system of this example is shown in FIG. Includes the following steps:
  • Step 401 Set the same RNTI for the MCCH and MCCH update indication information.
  • Step 402 The control information of the MCCH and MCCH update indication information including the RNTI is respectively carried in a control domain of different subframes.
  • This example is distinguished by the subframe number of the control information carrying the MCCH and MCCH update indication information, and the subframe of the control information carrying the MCCH and MCCH update indication information And MCCH update indication information control information.
  • the MCCH is transmitted on the subframe #2 of the radio frame #32
  • the MCCH update indication information is transmitted on the subframe #1 of the radio frame #32
  • the respective control information is carried in the subframe #2 of the radio frame #32, respectively.
  • the control information of the MCCH and MCCH update indication information that is detected can be determined by the subframe number.
  • the DCI format used for the control information of the MCCH and MCCH update indication information is preferably the same.
  • the control information of the MCCH and the MCCH update indication information in the step 402 includes the RNTI, that is, the network side implicitly includes the RNTI in the CRC of the control information of the MCCH and the MCCH update indication information (the specific implicit method may refer to the LTE protocol). 36.212 and 36.211).
  • FIG. 5 is a flowchart of Embodiment 5 of a method for carrying control information of MCCH and MCCH update indication information in an MBMS system according to the present invention.
  • a method for carrying control information of MCCH and MCCH update indication information in the MBMS system of this example is shown in FIG. Includes the following steps:
  • Step 501 Set different RNTIs for the MCCH and MCCH update indication information.
  • the RNTI is a parameter carried by the network side of the MBMS system.
  • the RNTI of the MCCH is already carried.
  • the RNTI of the MCCH update indication information is set to be different from the RNTI of the MCCH.
  • the division of the control information of the MCCH and MCCH update indication information can be realized by the RNTI.
  • Step 502 The control information of the MCCH and MCCH update indication information including the RNTI is carried in a control domain of the subframe.
  • control information of the MCCH and the MCCH update indication information can be distinguished by the RNTI, the control information of the MCCH and the MCCH update indication information is carried in any position in the subframe control domain regardless of the control information of the MCCH and the MCCH update indication information. Whether the DCI format used is the same, the mobile terminal can always detect the control information that distinguishes the MCCH and MCCH update indication information. In order to make the control information of the mobile detection MCCH and the MCCH update indication information more efficient, the bearer mode shown in the foregoing FIG. 1 to FIG. 4 may be adopted, and is not described here again.
  • FIG. 6 is a flowchart of a method for carrying control information of MCCH in an MBMS system according to the present invention, As shown in FIG. 6, the method for carrying the MCCH control information in the MBMS system in the MBMS system of the present invention includes the following steps:
  • Step 601 Set the RNTI for the MCCH.
  • the setting mode is similar to the setting method in the foregoing step 101, and details are not described herein again.
  • Step 602 The control information of the MCCH that includes the RNTI is carried in a non-public search area or a common search area of a subframe control domain. Alternatively, the control information of the MCCH that includes the RNTI is carried in an agreed range. Alternatively, the control information of the MCCH including the RNTI uses the agreed downlink control information DCI format.
  • step 602 For the implementation of step 602, refer to the bearer modes of steps 102, 202, and 302.
  • FIG. 7 is a flowchart of a method for carrying control information of MCCH update indication information in an MBMS system according to the present invention. As shown in FIG. 7, the method for carrying control information of MCCH update indication information in an MBMS system in the MBMS system of the present invention includes the following steps:
  • Step 701 Set the RNTI for the MCCH update indication information.
  • the setting manner is similar to the setting method in the foregoing step 101, and details are not described herein again.
  • Step 702 The control information of the MCCH update indication information that includes the RNTI is carried in a non-public search area or a common search area of a subframe control domain. Alternatively, the MCCH update indication information including the RNTI is controlled. The information is carried in the CCE within the agreed range; or the control information including the MCCH update indication information of the RNTI is used in the agreed downlink control information DCI format.
  • step 702 refer to the bearer modes of steps 102, 202, and 302.
  • the MCCH control information and the MCCH update indication information share the same fixed downlink control signaling format, such as the format 1C format of the DCI, to send the MCCH control information and the MCCH update indication information to the UE, and use the agreed-upon in the DCI format 1C.
  • RNTI The main purpose of the DCI format here is to limit the DCI format of the UE to be blindly detected, because there may be multiple different DCI formats, and different DCI formats are mainly distinguished by the number of bits; the agreed RNTI is Used to identify this DCI format 1C is the UE needs to receive).
  • DCI format 1C is an existing DCI format.
  • the following embodiment utilizes the DCI format, but the bit meaning in the existing DCI format has changed, and only the total number of bits in the DCI format has not changed. The specific implementation is as follows:
  • the DCI format 1C is directly used to transmit the MCCH control information to the UE on the PDCCH of the subframe in which the MCCH control information appears, and the DCI format is simultaneously 1C uses the agreed RNTI, and the information in the format 1C includes at least the resource allocation information indicating the MCCH information on the PDSCH; and the MCCH update indication is directly used by using the DCI format 1C on the physical downlink control channel of the subframe in which the MCCH update indication information appears.
  • the information is sent to the UE, and the agreed RNTI is used for the format 1C, that is, the bit information in the DCI format 1C is used to indicate the MCCH update indication information.
  • the DCI format 1C uses the bits in the PDCCH of the subframe to simultaneously indicate the MCCH control information and the MCCH update indication information, and a specific use is given here.
  • a method for indicating information of different meanings in different bits in the same DCI using the first N bits of the DCI format 1C format to respectively represent N MCCH update indication information in a bitmap manner, where the value of N is the maximum supported by a cell in the system.
  • the foregoing method may also be applied to the case where the MCCH control information and the MCCH update indication information appear in different subframes, that is, the MCCH control information and the MCCH update indication information are configured in different subframes, and the MCCH control information is used by the DCI format 1C.
  • N the number of bits in different DCI formats
  • the different meanings of the bits in different DCI formats can be used to represent the MCCH control information and the MCCH update indication information, which avoids the increase of the DCI format and reduces the trouble of standardization.
  • FIG. 8 is a flowchart of a method for receiving control information of MCCH and MCCH update indication information in an MBMS system according to the present invention. As shown in FIG. 8, the method for receiving control information of MCCH and MCCH update indication information in an MBMS system of the present invention includes the following steps. :
  • Step 801 Acquire an RNTI of the MCCH and MCCH update indication information and a manner of carrying the control information.
  • the bearer mode of the control information of the MCCH and the MCCH update indication information is determined by the network side, and once it is determined, the bearer mode of the control information of the MCCH and the MCCH update indication information is uniquely determined, and the MCCH and MCCH update indications are
  • the bearer of the control information of the information and its RNTI will be specified in the relevant agreement.
  • the information of the RNTI can also be written into the relevant protocol and configured into the mobile terminal, or temporarily notified to the mobile terminal by the network side.
  • the bearer manner of the control information of the MCCH and the MCCH update indication information may be any one shown in FIG. 1 to FIG.
  • the RNTI of the MCCH and the MCCH update indication information is different, whether the control information of the MCCH and the MCCH update indication information is carried in the subframe control domain, whether the DCI format used by the MCCH and the MCCH update indication information is the same.
  • the mobile terminal can always detect the control information that distinguishes the MCCH and MCCH update indication information.
  • Step 802 Control the bearer carrying the MCCH and MCCH update indication information according to the acquired RNTI of the MCCH and the MCCH update indication information and the bearer mode of the control information.
  • the control information of the MCCH and MCCH update indication information is received on the time-frequency resource of the information.
  • the mobile terminal detects the corresponding control information on the corresponding time-frequency resource according to the bearer mode of the control information of the MCCH and the MCCH update indication information and the RNTI, and the detection mode is performed in the existing manner, and details of implementation are not described herein. See the relevant description in Agreement 36.212.
  • FIG. 9 is a schematic structural diagram of a first embodiment of a bearer device for controlling information of MCCH and MCCH update indication information in an MBMS system according to the present invention.
  • a bearer device for controlling information of MCCH and MCCH update indication information in the example system is shown in FIG.
  • the setting unit 90 and the bearer unit 91 are included, wherein the setting unit 90 is configured to set the same RNTI for the MCCH and MCCH update indication information.
  • the bearer unit 91 is configured to carry one of the control information including the MCCH and MCCH update indication information of the RNTI in a non-public search area of a subframe control domain, and another control information is carried in a public search in a subframe control domain.
  • control information that is included in the control information of the MCCH and the MCCH update indication information of the RNTI is carried in a CCE in a different agreed range; or, the RNTI is included
  • the control information of the MCCH and the MCCH update indication information is carried in the control domain of the subframe, and the DCI format of the downlink control information used by the control information of the MCCH and the MCCH update indication information is different; or, the RNTI is included
  • the control information of the MCCH and MCCH update indication information is respectively carried in the control domain of different subframes.
  • the bearer device for controlling the MCCH and MCCH update indication information in the MBMS system shown in FIG. 9 is the MCCH and MCCH update indication information in the MBMS system shown in FIG. 1 to FIG.
  • the implementation function of each processing unit in the apparatus shown in FIG. 9 can be understood by referring to the related description in the method shown in FIG. 1 to FIG. 4, and the functions of each unit can be operated by the processor.
  • the implementation of the above program can also be realized by the corresponding logic circuit.
  • FIG. 10 is a control signal for MCCH and MCCH update indication information in an MBMS system according to the present invention
  • FIG. 10 is a schematic diagram showing the configuration of the second embodiment of the present invention.
  • the carrying device for the control information of the MCCH and the MCCH update indication information in the MBMS system of the present example includes a setting unit 100 and a carrying unit 101, where the setting unit 100 is The MCCH and MCCH update indication information sets different RNTIs.
  • the bearer unit 101 is configured to carry control information including the MCCH and MCCH update indication information of the RNTI in a control domain of the subframe.
  • the bearer unit 101 carries the control information of the MCCH and the MCCH update indication information of the RNTI in the control domain of the subframe, specifically: carrying one of the control information of the MCCH and the MCCH update indication information including the RNTI a non-public search area of the frame control field, another control information is carried in a common search area of the subframe control field; or one of the control information of the MCCH and MCCH update indication information including the RNTI is carried in the agreed range
  • the control information of the MCCH and the MCCH update indication information including the RNTI is respectively carried in the CCEs of the different stipulations; or the control information of the MCCH and the MCCH update indication information including the RNTI are respectively carried.
  • the control information of the MCCH and the MCCH update indication information including the RNTI is respectively carried in the control domain of different subframes.
  • the bearer device for controlling the MCCH and MCCH update indication information in the MBMS system shown in FIG. 10 is the control information for implementing the MCCH and MCCH update indication information in the MBMS system shown in FIG.
  • the implementation function of each processing unit in the apparatus shown in FIG. 10 can be understood by referring to the related description in the method shown in FIG. 5, and the functions of each unit can be implemented by a program running on the processor. It can also be realized by corresponding logic circuits.
  • a bearer device for controlling information of an MCCH in an MBMS system of the present invention includes a setting unit 110 and a bearer unit 111, where Unit 110 is used to set the RNTI for the MCCH.
  • the bearer unit 111 is configured to: control the MCCH that includes the RNTI The information is carried in the non-public search area or the common search area of the subframe control domain; or the control information of the MCCH including the RNTI is carried in the CCE within the agreed range; or the The MCCH control information uses the agreed downlink control information DCI format.
  • the bearer device for controlling the MCCH in the MBMS system shown in FIG. 11 is designed to implement the bearer control method of the MCCH in the MBMS system shown in FIG. 6, and FIG.
  • the implementation functions of the processing units in the device can be understood by referring to the related description in the method shown in FIG. 6.
  • the functions of each unit can be implemented by a program running on the processor, or can be realized by a corresponding logic circuit.
  • a bearer device for controlling information of MCCH update indication information in an MBMS system includes a setting unit 120 and a bearer.
  • the unit 121 is configured to set an RNTI for the MCCH update indication information.
  • the bearer unit 121 is configured to carry the control information of the MCCH update indication information that includes the RNTI in a non-public search area or a common search area of the subframe control domain; or, the MCCH update indication information that includes the RNTI
  • the control information is carried in the CCE within the agreed range; or the control information including the MCCH update indication information of the RNTI is used in the agreed downlink control information DCI format.
  • the bearer device for controlling the MCCH update indication information in the MBMS system shown in FIG. 12 is designed to implement the bearer method for implementing the MCCH update indication information in the MBMS system shown in FIG.
  • the implementation functions of the processing units in the apparatus shown in FIG. 12 can be understood by referring to the related description in the method shown in FIG. 7.
  • the functions of each unit can be implemented by running a program on the processor, or by corresponding The logic circuit is implemented.
  • FIG. 13 is a control signal for MCCH and MCCH update indication information in an MBMS system according to the present invention.
  • a schematic diagram of the composition of the receiving device of the information, as shown in FIG. 13, the receiving device for the control information of the MCCH and the MCCH update indication information in the MBMS system of the present invention includes the acquiring unit 130 and the RNTI of the information and the carrying manner of the control information.
  • the receiving unit 131 is configured to receive, by using the RNTI, control information of the MCCH and MCCH update indication information on a time-frequency resource that carries control information of the MCCH and the MCCH update indication information.
  • the RNTI of the MCCH and the MCCH update indication information may be the same.
  • the control information of the MCCH and the MCCH update indication information is carried in one of the control information of the MCCH and the MCCH update indication information.
  • a non-public search area of the subframe control domain another control information is carried in a common search area of the subframe control domain; or one of the control information of the MCCH and the MCCH update indication information is carried in a CCE within the agreed range; Or, the control information of the MCCH and the MCCH update indication information is respectively carried in the CCEs in different agreed ranges; or the control information of the MCCH and the MCCH update indication information is carried in the control domain of the subframe, the MCCH and
  • the downlink control information DCI format used by the control information of the MCCH update indication information is different; or the control information of the MCCH and MCCH update indication information is respectively carried in the control domain of different subframes.
  • the RNTI of the MCCH and the MCCH update indication information may be different.
  • the bearer mode of the control information of the MCCH and the MCCH update indication information is: one of the control information of the MCCH and the MCCH update indication information is carried in a subframe.
  • control information is carried in a common search area of the subframe control domain; or one of the control information of the MCCH and the MCCH update indication information is carried in a CCE within the agreed range; or The control information of the MCCH and the MCCH update indication information is respectively carried in the CCEs in different agreed ranges; or the control information of the MCCH and the MCCH update indication information is carried in the control domain of the same subframe; or the MCCH The control information of the MCCH update indication information is respectively carried in the control domain of different subframes.
  • the control information for carrying the MCCH and the MCCH update indication information is not limited to the foregoing bearer mode.
  • the apparatus for receiving the control information of the MCCH and the MCCH update indication information in the MBMS system shown in FIG. 13 is the control information for implementing the MCCH and MCCH update indication information in the MBMS system shown in FIG.
  • the implementation functions of the processing units in the apparatus shown in FIG. 13 can be understood by referring to the related description in the method shown in FIG. 8.
  • the functions of each unit can be implemented by a program running on the processor. , can also be achieved through the corresponding logic circuit.
  • the notification device for MCCH control information and MCCH update indication information of the present invention includes an identification unit 140 and a transmitting unit 141. , among them:
  • the identifier unit 140 is configured to share the MCCH control information and the MCCH update indication information in different fixed downlink control signaling formats, and use the agreed RNTI for the downlink control signaling format;
  • the sending unit 141 is configured to send the MCCH control information and the MCCH update indication information to the UE.
  • the identifier unit 140 further uses the bits in the fixed downlink control signaling format on the PDCCH in the subframe carrying the MCCH control information when the MCCH control information and the MCCH update indication information are carried in different one subframes. Indicates the MCCH control information, and uses the agreed RNTI for the fixed downlink control signaling format; and uses the number of bits in the fixed downlink control signaling format on the physical downlink control channel in the subframe carrying the MCCH update indication information. Indicates MCCH update indication information;
  • the notification device of the MCCH control information and the MCCH update indication information shown in FIG. 14 of the present invention is designed to implement the foregoing MCCH control information and the MCCH update indication information notification method, and the apparatus shown in FIG.
  • each processing unit can be understood by referring to the related description in the foregoing MCCH control information and the notification method of the MCCH update indication information, and the functions of each unit can be implemented by a program running on the processor, or by corresponding logic.
  • the circuit is implemented.

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Abstract

L'invention porte sur un procédé de transport d'informations de commande de MCCH et d'informations d'indication de mise à jour MCCH, qui comprend : le réglage du même identifiant temporaire de réseau radio (RNTI) pour le MCCH et les informations d'indication de mise à jour MCCH; le transport des informations de commande du MCCH et des informations d'indication de mise à jour MCCH séparément dans une région de récupération non publique et une région de récupération publique; ou le transport des informations de commande du MCCH et des informations d'indication de mise à jour MCCH séparément dans des éléments de canal de commande (CCE) réglés par une région de commande de sous-trame; ou le transport des informations de commande du MCCH et des informations d'indication de mise à jour MCCH séparément dans des régions de commande de sous-trame différentes. L'invention porte également sur un procédé de réception des informations de commande du MCCH et des informations d'indication de mise à jour MCCH. L'invention porte également sur un dispositif de mise en œuvre du procédé susmentionné. La présente invention permet au terminal mobile de recevoir les informations de commande du MCCH et les informations d'indication de mise à jour MCCH plus rapidement, économisant ainsi beaucoup plus d'énergie.
PCT/CN2010/071347 2009-04-14 2010-03-26 Procédé et dispositif de transport et de réception d'informations de commande de canal de commande de service de diffusion/multidiffusion multimédia (mcch) et d'informations d'indication de mise à jour mcch WO2010118659A1 (fr)

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