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WO2008028368A1 - Procédé de transmission pour le partage de ressources non programmées et de ressources programmées dans un système amélioré à liaison montante - Google Patents

Procédé de transmission pour le partage de ressources non programmées et de ressources programmées dans un système amélioré à liaison montante Download PDF

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Publication number
WO2008028368A1
WO2008028368A1 PCT/CN2006/003784 CN2006003784W WO2008028368A1 WO 2008028368 A1 WO2008028368 A1 WO 2008028368A1 CN 2006003784 W CN2006003784 W CN 2006003784W WO 2008028368 A1 WO2008028368 A1 WO 2008028368A1
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WO
WIPO (PCT)
Prior art keywords
uplink
transmission
scheduled
scheduling
resource
Prior art date
Application number
PCT/CN2006/003784
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English (en)
Chinese (zh)
Inventor
Peng Geng
Yincheng Zhang
Hui Chen
Hu Liu
Hua Rui
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Zte Corporation
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
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Publication of WO2008028368A1 publication Critical patent/WO2008028368A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies

Definitions

  • the present invention relates to a time division code division multiple access system, and more particularly to a method for transmitting a shared non-scheduled resource and a scheduling resource in an uplink enhanced system in a time division code division multiple access system.
  • 3GPP 3rd Generation Partnership Project
  • HSUPA High Speed Uplink Packet Access
  • Adaptive Modulation and Coding AMC
  • HQQ Hybrid Automatic Retransmission Request
  • Node B Node B controlled scheduling techniques. Delay, thereby increasing the rate of uplink packet services and improving spectrum utilization efficiency.
  • the scheduling technology of Node B control is different in FDD and TDD systems.
  • the Node B controls the uplink transmission rate of the UE by controlling the uplink transmit power of the UE (the user equipment).
  • the Node B controls the uplink transmit power of the UE (the user equipment). It is necessary to control the uplink physical channel resources used by the UE.
  • the HSUPA system is also known as the uplink enhancement system, referred to as the E-DCH system.
  • the new technologies introduced by the HSUPA system include: As shown in Figure 1, at the MAC layer, a new MAC entity (MAC-es/MAC-e) is placed on the UE side, located in the MAC-d. Next, responsible for HARQ retransmission, MAC-e (MAC Enhanced Sublayer) multiplexing, and E-TFC selection. A new MAC entity (MAC-e;) is introduced in the Node B on the network side, which is responsible for HARQ retransmission, scheduling, and MAC-e demultiplexing.
  • MAC-e MAC Enhanced Sublayer
  • a new MAC entity is introduced in the SRNC on the network side, which is responsible for providing MAC-es reassembly (for sequential transmission of MAC-d PDUs).
  • the enhanced uplink data is carried on the newly introduced dedicated transport channel E-DCH.
  • E-DCH Each UE has at most one E-DCH type CCTrCH (coded composite transport channel), and only one E-DCH can be multiplexed in each CCTrCH.
  • E-DCH carries one in one TTI MAC-e transport block.
  • the TTI of the E-DCH is 10 ms.
  • an E-PUCH (uplink enhanced physical channel) physical channel is newly introduced for transmitting the CCTrCH of the E-DCH type.
  • the scheduling entity located in the MAC-e of the Node B is responsible for the allocation of the E-PUCH physical resources.
  • a part of the MAC-e uplink signaling is carried by the two newly introduced uplink control channels, and mainly transmits HARQ and auxiliary scheduling related information, and these channels are terminated at the Node B.
  • the E-UCCH (E-DCH uplink control channel) is included for transmitting E-TFCI and HARQ related information.
  • the E-UCCH information may be transmitted in one or more time slots of the E-DCH and multiplexed with the E-DCH onto a set of E-PUCHs within the TTI.
  • the multiplexing method of E-UCCH is to use the physical layer indication field.
  • E-RUCCH E-DCH random access uplink control channel
  • the E-RUCCH can be mapped to a random access physical channel resource and can share some resources with the existing PRACH.
  • the information carried by the E-UCCH and the E-RUCCH is self-contained in one time slot.
  • a downlink signaling channel E-AGCH (E-DCH absolute grant channel) and an E-HCH (E-DCH HARQ Acknowledgement indicator channel) are newly introduced.
  • E-AGCH is used to transmit authorization information;
  • E-HICH is used to carry uplink E-DCH HARQ indication information.
  • the HSUPA technology in the above TD-CDMA system supports scheduling and non-scheduled transmission.
  • the RNC configures an unscheduled E-PUCH resource.
  • the UE can send E through the resource at any time as long as the resource is available.
  • - DCH does not require scheduling authorization from Node B. This can reduce signaling load and scheduling delay.
  • Typical services that use unscheduled transmissions are SRBs and GBR services.
  • the E-PUCH resource pool is allocated by the RNC, and the UE allocates resources through the E-RUCCH or E-DCH request, and then the Node B dynamically configures the E-PUCH resources that each UE schedules to transmit.
  • the UE can send the E-DCH through the resource.
  • the UE needs to determine whether the next TTI is used for scheduling transmission or non-scheduled transmission.
  • the unscheduled transmission uses the non-scheduled E-PUCH resource, and the scheduling service uses the scheduling E-PUCH resource. If neither is suitable (scheduled transmission of unlicensed resources, non-scheduled transmission of resources is not available), no transmission is performed.
  • the method of HSUPA technology supporting scheduling and non-scheduled transmission in the above TD-CDMA system can also be applied to the TD-SCDMA system, and the detailed information can refer to the existing 3GPP protocol.
  • this method has the following problems:
  • the UE can only use one of non-scheduled resources or scheduling resources at any transmission time (such as 5ms TTI in TD-SCDMA system), that is, either non-scheduled resources.
  • the source sends the non-scheduled service data, or sends the scheduled service data with the authorized scheduling resource.
  • the Node B also knows the non-scheduled resource allocated by the RNC to the UE, it can avoid the time when the non-scheduled resource is valid for the UE in the allocation of the scheduling resource.
  • the present invention aims to provide a method for transmitting shared non-scheduled resources and scheduling resources in an uplink enhanced system, which can reduce resource waste and solve unfair treatment of user scheduling services. Problems that make resource allocation more flexible and resource utilization higher.
  • the present invention provides a method for transmitting a non-scheduled resource and a scheduling resource in an uplink enhanced system, including the following steps:
  • the user equipment When the user equipment performs uplink scheduling transmission and/or uplink non-scheduled transmission, the user equipment uses resources for uplink scheduling or uplink non-scheduled transmission; wherein, the uplink non-scheduled transmission and the uplink enhanced physical channel of the uplink scheduling transmission
  • the burst slot format is the same.
  • the step (1) is specifically:
  • step (12A) If the user equipment needs to perform uplink scheduling transmission without uplink non-scheduled transmission, it is determined whether the user equipment has an authorized uplink enhanced physical channel resource. If the determination result is yes, the process proceeds to step (12A); If the result is no, proceed to step (13A);
  • the user equipment reports the uplink scheduling transmission status information by using the uplink enhanced physical channel, requesting the Node B to allocate a new uplink to the enhanced physical channel resource, and proceeds to step (14A);
  • the user equipment sends a "" scheduling transmission request to the Node B through the E-RUCCH channel configured by the radio network controller, and proceeds to step 3 ⁇ 4 (14A);
  • the Node B After receiving the request, the Node B performs a new scheduling uplink enhanced physical channel resource dynamic allocation by the scheduling entity in the MAC-e, and sends an authorization message sent by the allocation result through the E-AGCH channel to the user equipment;
  • the user equipment receives the authorization information, and sets a transport block size and a modulation mode according to the authorized uplink scheduled uplink enhanced physical channel resource and all uplink unscheduled uplink enhanced physical channel resources and channel conditions, and shares the authorization
  • the uplink scheduling and all uplink non-scheduled uplink enhanced physical channel resources are used for uplink scheduling transmission.
  • the step (1) is specifically as follows:
  • I IB When the user equipment needs uplink unscheduled transmission and uplink scheduling transmission, the user equipment requests the node B to allocate the uplink enhanced physical channel resource of the uplink scheduling transmission through the E-RUCCH or the E-PUCH channel;
  • the Node B dynamically allocates the uplink enhanced physical channel resource in the uplink enhanced physical channel resource pool of the uplink scheduling transmission to the user equipment by using the allocated E-AGCH channel;
  • step (13B) the user equipment selects whether to perform uplink scheduling transmission or uplink non-scheduling transmission according to the established policy, if the uplink scheduling transmission is selected, the process proceeds to step (14B), and if the uplink non-scheduled transmission is performed, the process proceeds to step (15B);
  • Step 15 the user equipment sets a transport block size and a modulation mode according to all uplink scheduling and uplink unscheduled uplink enhanced physical channel resources and channel conditions, and shares all uplink scheduling and uplink unscheduled uplink enhanced physical channel resources for uplink scheduling transmission
  • Step 15 The user equipment sets the transport block size and modulation mode according to all uplink scheduling and uplink unscheduled uplink enhanced physical channel resources and channel conditions, and shares all uplink scheduling and uplink unscheduled uplink enhanced physical channel resources for uplink non- The transmission is scheduled, and the uplink scheduling transmission status information is reported by the uplink enhanced physical channel, and the requesting Node B allocates a new uplink scheduled uplink enhanced physical channel resource.
  • the step (1) is specifically as follows:
  • step (12C) When the user equipment fails to transmit through the uplink enhanced physical channel of all non-scheduled transmissions and scheduled transmissions, and currently only the uplink non-scheduled upper 4 ⁇ enhanced physical channel resources, the user equipment determines whether uplink non-scheduled transmission is required or Perform uplink scheduling transmission, if uplink non-scheduled Transfer, enter step (12C); if performing uplink scheduling transmission, proceed to step (13C);
  • (12C) The user equipment retransmits the original data block by using the uplink unscheduled uplink enhanced physical channel resource, and maps the larger data block to less physical resources through the rate matching process, and the process ends; (13C) user The device retransmits the original data block by using the uplink non-scheduled uplink enhanced physical channel resource, and maps the larger data block to less physical resources through the rate matching process; or the user equipment performs new data for uplink unscheduled transmission. Block transmission, and waiting for an authorized scheduling to transmit physical channel resources, then retransmit the data block of the original scheduled transmission.
  • FIG. 1 is a schematic structural diagram of an HSUPA of a conventional TD-CDMA system
  • FIG. 2 is a schematic diagram of a HSUPA structure of a time division code division multiple access system according to the present invention
  • FIG. 3 is a resource allocation and usage method of the HSUPA of the present invention
  • a new MAC entity is introduced in the SRNC on the network side to provide MAC-es reassembly.
  • enhanced uplink data bearers in newly introduced dedicated transport channels On the E-DCH.
  • Each UE has at most one CCTrCH of E-DCH type, and only one E-DCH can be multiplexed in each CCTrCH.
  • the E-DCH carries a MAC-e transport block in one TTI.
  • the TTI for scheduling the E-DCH may be 5 ms, and the TTI for scheduling the E-DCH may be configured by the upper layer to be 5, 10, or 20 ms.
  • the E-PUCH physical channel is newly introduced for transmitting the E-DCH type. CCTrCH.
  • the E-PUCH physical channel is divided into a non-scheduled E-PUCH physical channel and a scheduled E-PUCH physical channel, where the unscheduled E-PUCH physical channel resource is configured by the RNC, and the scheduled E-PUCH physical channel resource is located by the MAC of the Node B.
  • the dispatching entity in e is responsible for the allocation.
  • Unscheduled E-PUCH physical channel and scheduling The burst slot format of the E-PUCH physical channel is exactly the same. All (scheduled, unscheduled) E-PUCH physical channels can be shared in one transmission.
  • a part of the MAC-e uplink signaling is carried by the two newly introduced uplink control channels E-UCCH and E-RUCCH, and mainly transmits HARQ and auxiliary scheduling related information, and these channels are terminated at Node B.
  • the downlink signaling channels E-AGCH and E-HICH are newly introduced.
  • E-AGCH is used to transmit authorization information;
  • E-HICH is used to carry uplink E-DCH HARQ indication information.
  • E-RUCCH and E-AGCH are only used for scheduled transmission.
  • the HSUPA-related resource allocation and usage methods are basically the same as those in the existing 3GPP standards, including the following steps:
  • the RNC allocates and schedules an E-PUCH 4 channel resource pool in a cell, allocates a downlink signaling channel resource pool and an E-RUCCH channel resource, and sends the packet to the Node B for configuration;
  • the RNC allocates the un-scheduled E-PUCH channel resource to the UE and sends it to the Node B, and requests the Node B to allocate the scheduled E-PUCH channel resource for transmission;
  • the Node B allocates downlink signaling channel resources to the UE from the downlink signaling channel resource pool, and sends the allocation information to the RNC;
  • the RNC sends its allocated unscheduled transmission E-PUCH channel resource, E-RUCCH channel resource, and downlink signaling channel resource received from the Node B to the UE; (105) the UE configures unscheduled transmission and/or Scheduling the transmitted channel resources, and requesting the Node B to allocate the E-PUCH channel resources for scheduling transmission, and the Node B dynamically allocates the E-PUCH channel resources in the E-PUCH channel resource pool to the UE, and the UE uses the shared mode.
  • the E-PUCH physical channel resources scheduled for transmission and scheduled transmission are "unscheduled or scheduled".
  • step (105) the UE first completes the channel resources of the unscheduled transmission and/or the scheduled transmission, including the E-PUCH channel resources of the unscheduled transmission, the configuration of the E-RUCCH channel resources and the downlink signaling channel resources, where the downlink information Let the channel include the E-AGCH and E-HICH channels.
  • the UE When the UE performs uplink transmission, if there is only uplink non-scheduled transmission requirement, there is no uplink scheduling transmission requirement, and there is no authorized scheduling E-PUCH resource, the UE may use the unscheduled E-PUCH channel resource at any time, and receive the allocated E-HICH channel for HARQ processing; if there is only uplink scheduling transmission requirement, and there is no uplink unscheduled transmission requirement at this time, on the one hand, if the UE does not have E-PUCH channel resources authorized by the Node B at this time, the UE A random access procedure needs to be initiated to send an uplink scheduling transmission request to the Node B through the E-RUCCH channel configured by the RNC.
  • the MAC-through the E-PUCH The e-PDU carries the uplink scheduling transmission status information in the form of a load to request the Node B to allocate a new E-PUCH channel resource.
  • the Node B After receiving the request, the Node B performs a new scheduling E-PUCH channel resource dynamic allocation process by the scheduling entity in the MAC-e, and sends an authorization message sent by the allocation result to the UE through the allocated E-AGCH channel.
  • the UE monitors and receives the E-AGCH channel, and determines whether the authorization message is sent to the UE by using the UE identity information therein.
  • the uplink enhanced physical channel resource and all uplink non-scheduled uplink enhancements according to the authorized uplink scheduling
  • the physical channel resource and the channel condition set the transport block size and the modulation mode, and share the authorized uplink scheduling and all uplink unscheduled uplink enhanced physical channel resources for uplink scheduling transmission, and receive the allocated E-HICH channel for HARQ processing.
  • the scheduling resource allocation grant can continue for multiple TTIs, there is an authorized scheduling of E-PUCH resources, but there may be no uplink scheduling transmission requirements.
  • the UE uses Authorized scheduling E-PUCH channel resources and all non-scheduled E-PUCH channel resources for uplink unscheduled transmission, and receiving the allocated E-HICH channel for HARQ processing; if there are both uplink unscheduled transmission and uplink scheduled transmission at this time
  • the UE requests the Node B to allocate the E-PUCH channel resource for scheduling transmission through the E-RUCCH or the E-PUCH channel, and the Node B dynamically allocates and schedules the E-PUCH in the E-PUCH channel resource pool through the allocated E-AGCH channel.
  • Channel resources are given to the UE. However, the UE needs to choose whether to perform scheduled transmission or non-scheduled transmission according to a certain strategy.
  • the UE uses all unscheduled service resources and authorized scheduling service resources (E-PUCH code channel resources, authorized power resources, and others) for data transmission in a shared manner, and receives the allocated data.
  • E-PUCH code channel resources, authorized power resources, and others E-HICH channel, performing HARQ processing.
  • HARQ processing of scheduling resources and non-scheduled resources should be independent. Note: If this time If the UE decides to perform the unscheduled transmission, the uplink scheduling transmission status information may still be reported in the form of the load in the MAC-e PDU through the E-PUCH channel, to request the Node B to allocate the new scheduled E-PUCH channel resource.
  • all (scheduled and unscheduled) resources can be utilized for both unscheduled transmission and scheduled transmission, so the resource utilization is significantly increased, and the scheduling transmission resource allocation scheme on the Node B side is adopted. Can be more flexible.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Procédé de transmission pour le partage de ressources non programmées et de ressources programmées dans un système amélioré à liaison montante. Cette invention concerne le gaspillage de ressources dans l'état de la technique et le traitement inéquitable des services utilisateur programmés dans la transmission de données. Le procédé de l'invention pour le partage de ressources programmées et non programmées dans un système en liaison montante perfectionné englobe les opérations suivantes: dans le cas d'un équipement utilisateur exécutant en liaison montante une transmission programmée et/ou une transmission non programmée, cet équipement utilisateur partage la totalité des ressources non programmées et des ressources programmées pour l'exécution de la transmission montante programmée et/ou non programmée, les types de créneaux temporels pour rafales étant les mêmes pour la transmission en liaison montante, qu'elle soit ou non programmée. Le procédé susmentionné permet de réduire le gaspillage de ressources et de résoudre le problème posé par un traitement inéquitable pour les services utilisateurs programmés. Ainsi, l'attribution des ressources peut se faire de manière plus souple, pour une utilisation plus complète de ces dernières.
PCT/CN2006/003784 2006-08-24 2006-12-30 Procédé de transmission pour le partage de ressources non programmées et de ressources programmées dans un système amélioré à liaison montante WO2008028368A1 (fr)

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CN200610111713.0 2006-08-24
CN2006101117130A CN101132225B (zh) 2006-08-24 2006-08-24 上行增强系统中共享非调度资源和调度资源的传输方法

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CN101932047A (zh) * 2009-06-22 2010-12-29 大唐移动通信设备有限公司 一种e-puch功率控制方法和系统

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CN101340715B (zh) * 2007-07-05 2012-10-10 中兴通讯股份有限公司 多载波时分同步码分多址系统的高速上行分组接入方法
CN101547498B (zh) * 2008-03-26 2012-10-10 展讯通信（上海）有限公司 一种tdd系统中cell_fach状态的上行接入方法
CN101568181A (zh) * 2008-04-23 2009-10-28 中兴通讯股份有限公司 非调度业务资源配置方法及系统、无线网络控制器
CN102124715B (zh) * 2009-03-23 2013-08-14 华为技术有限公司 一种信道分配方法及装置
EP2756724A4 (fr) * 2011-09-14 2015-04-15 St Ericsson Sa Procédé permettant à un équipement utilisateur de sélectionner une ressource, et équipement utilisateur, programme informatique et support de stockage correspondants
CN112087801B (zh) * 2015-08-10 2023-03-24 华为技术有限公司 上行数据传输的方法、基站和终端
EP3737193B1 (fr) 2015-08-19 2024-03-27 Huawei Technologies Co., Ltd. Procédé, dispositif et système de transmission de données
CN106912111A (zh) * 2017-04-01 2017-06-30 西北工业大学 一种基于调度与竞争细粒度融合的非正交多址接入方法
KR102527307B1 (ko) * 2017-12-06 2023-04-27 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 데이터 전송 방법과 단말 장치
CN115956349A (zh) * 2021-08-05 2023-04-11 北京小米移动软件有限公司 一种时隙确定方法、装置、用户设备及存储介质

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