WO2016161764A1 - Appareil et procédé de commande de porteuse relais et support de stockage informatique - Google Patents

Appareil et procédé de commande de porteuse relais et support de stockage informatique Download PDF

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Publication number
WO2016161764A1
WO2016161764A1 PCT/CN2015/089661 CN2015089661W WO2016161764A1 WO 2016161764 A1 WO2016161764 A1 WO 2016161764A1 CN 2015089661 W CN2015089661 W CN 2015089661W WO 2016161764 A1 WO2016161764 A1 WO 2016161764A1
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WO
WIPO (PCT)
Prior art keywords
bearer
data
cellular
received
relay
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PCT/CN2015/089661
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English (en)
Chinese (zh)
Inventor
陈琳
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中兴通讯股份有限公司
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Publication of WO2016161764A1 publication Critical patent/WO2016161764A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals

Definitions

  • the step of performing mapping of the D2D bearer and the cellular bearer and/or the D2D bearer and the D2D bearer according to the first rule includes:
  • the received cellular data is mapped to any D2D bearer of the same logical channel group identifier according to the logical channel group identifier of the cellular bearer corresponding to the received cellular data.
  • the relay function of the relay UE When the relay function of the relay UE is activated, or when the remote UE accesses, or when the remote UE initiates a service request/bearer setup request/bearer modification request, or receives D2D data sent by the remote UE, Initiating a service request/bearer resource allocation request/bearer resource modification request to the network, establishing/updating the corresponding cellular bearer.
  • the received D2D or cellular data is mapped to the matched D2D bearer.
  • the received cellular data is mapped to D2D bearers of the same priority according to the priority of the cellular bearer corresponding to the received cellular data.
  • the mapping unit is configured to
  • the mapping unit is configured to
  • FIG. 9 is a flowchart of mapping a UE to a network relay according to the QCI between a D2D bearer and a cellular bearer according to the sixth embodiment of the present invention.
  • step 201 a first rule is obtained.
  • the D2D bearer refers to a bearer/logical channel/radio link control (RLC) entity/packet data convergence protocol (PDCP) established between the relay UE and the remote UE, or between the relay UE and the remote end UE. , Packet Data Convergence Protocol) entity.
  • RLC radio link control
  • PDCP packet data convergence protocol
  • the first rule includes at least one of the following: carrying the corresponding TFT; the QoS Class Identifier (QCI); the logical channel identifier of the bearer; the logical channel group identifier of the bearer; the priority of the bearer; Priority of the UE; priority of the D2D communication group/packet ("/" indicates the relationship); whether the bearer guarantees the bit rate; the differentiated services code point (DSCP) corresponding to the data; the default D2D or the cellular Hosted.
  • QCI QoS Class Identifier
  • DSCP differentiated services code point
  • the relay UE maps the received D2D or cellular data to the D2D bearer according to the TFT corresponding to the D2D bearer for transmission.
  • the step of performing the mapping between the D2D bearer and the cellular bearer and/or the D2D bearer and the D2D bearer according to the QCI of the bearer, where the first rule is the bearer QCI, includes:
  • the relay UE maps the received cellular data to a D2D bearer of the same logical channel identifier according to the logical channel identifier of the bearer corresponding to the received cellular data for transmission.
  • the relaying UE maps the received D2D data to any cellular bearer or D2D bearer of the same logical channel group identifier according to the logical channel group identifier of the D2D bearer corresponding to the received D2D data; or
  • the relay UE maps the received D2D data of the bit rate D2D bearer to a guaranteed bit rate cellular bearer or D2D bearer for transmission; or
  • the relay UE maps the cellular data received by the guaranteed bit rate cellular bearer to the guaranteed bit rate D2D bearer for transmission;
  • the step of performing the mapping between the D2D bearer and the cellular bearer and/or the D2D bearer and the D2D bearer according to the DSCP corresponding to the data, where the first rule is the DSCP corresponding to the data, includes:
  • the relaying UE performs DSCP identification on the received D2D data according to the QCI of the D2D bearer corresponding to the received D2D data, and then maps the DS2 information according to the D2D data to the cellular bearer or the D2D bearer corresponding to the QCI for transmission; or
  • the relay UE performs DSCP identification on the received cellular data according to the QCI of the bearer corresponding to the received cellular data, and then maps to the D2D bearer corresponding to the QCI according to the DSCP information of the cellular data for transmission.
  • the relay UE maps the received D2D data to a default cellular bearer or a default D2D bearer for transmission;
  • the service request/request bearer resource modification message sent by the relay UE to the MME carries the relay related information, and is used to establish an EPS bearer dedicated to forwarding the remote UE data.
  • the UE with the relay capability can obtain a predetermined mapping/re-use rule (ie, the first rule), and then map the data packet received by the PC5 interface to the Uu bearer according to the rule. Or, the data packet received by the Uu port is mapped to the PC5 interface for forwarding, and the purpose of the relay bearer control and the quality of service is achieved in this way.
  • a predetermined mapping/re-use rule ie, the first rule
  • the base station configures and activates the UE-to-network relay function of UE1, and UE1 acquires a predefined first rule from the base station.
  • the relay UE1 Before the relay UE1 performs mapping of the D2D bearer and the cellular bearer, the relay UE1 needs to establish the D2D bearer and the cellular bearer first.
  • the establishment of the D2D bearer may be that the corresponding logical channel, the RLC receiving entity, and the PDCP receiving entity are established when the relay UE1 receives the D2D data sent by the remote UE.
  • the relay UE1 performs MAC/RLC/PDCP processing on the received D2D data, and then submits it to the upper layer.
  • the upper layer can determine whether the data packet is sent to the relay UE1 or needs to be forwarded to the network through the IP packet header address. If it needs to be forwarded to the network, the UE1 determines whether the EPS bearer that can carry the data can be found according to the first rule. If not found, the relay UE1 initiates a bearer setup/modification process.
  • the relay UE1 may also initiate a new EPS bearer dedicated to forwarding the remote UE data packet, or request to modify the existing EPS bearer so that the subsequent bearer can be carried from the far side.
  • the data packet of the UE may also initiate a new EPS bearer dedicated to forwarding the remote UE data packet, or request to modify the existing EPS bearer so that the subsequent bearer can be carried from the far side.
  • the specific process of the bearer establishment/modification initiated by the relay UE1 is as shown in FIG. 5, which mainly includes:
  • the relay UE1 sends a bearer resource allocation request/bearer resource modification request message to the MME, where the QoS information related to the D2D service flow from the remote UE and the packet filtering information that needs to be aggregated may be included.
  • the QoS information includes a QCI, a priority, a guaranteed bit rate, a maximum bit rate, a guaranteed bit rate, and the like;
  • the packet filtering information includes an IP address, a port range, a QoS class identifier, a service type, and a protocol of the D2D service flow that is desired to be aggregated. Logo, etc.
  • the relay UE1 may perform step 501 after receiving the D2D data, or relaying the UE1 to initiate the relay function, or receiving the D2D bearer setup request.
  • Step 503 The SGW/PGW sends a Create Bearer Request or Update Bearer Request message to the MME.
  • the bearer may be dedicated to relaying the UE1 to forward the data of the remote UE or the same EPS bearer as the service data of the relay UE1 itself.
  • the relay UE1 can then map the received D2D data packets from the remote UE to these EPS bearers and send them to the network.
  • the relay UE1 receives the data sent from the remote UE2 to the network, and the relay UE1 selects the priority of the D2D bearer corresponding to the received D2D data or the priority of the remote UE2 or the remote UE access.
  • the priority corresponding to the D2D communication group/data packet belongs to the D2D data mapped to the same priority cellular bearer for transmission. If the corresponding priority cell cannot be found
  • the bearer UE1 discards the data, or relays the UE1 to the network to initiate a bearer resource allocation request to establish a corresponding cellular bearer according to the method described in the second embodiment.
  • the request includes the priority information that the relay UE1 wishes to establish the bearer.
  • the relay UE1 maps the D2D data received from the remote UE2 to the newly established cellular bearer and transmits it to the network.
  • the relay UE1 determines whether it is transmitted to the relay UE1 or the remote UE2 of its service according to the destination address and/or the port number of the IP header. Assuming that the received data packet destination is the remote UE2, the relay UE1 according to the priority of the bearer corresponding to the received cellular data or the priority of the remote UE2 or the D2D communication group/packet to which the remote UE2 accesses. The corresponding priority maps the received cellular data to a D2D bearer of the same priority for transmission.
  • UE1, UE2, and UE3 respectively hold UE1, UE2, and UE3 having D2D communication and relay functions.
  • UE1 and UE2 are within D2D communication range of each other, UE1 and UE3 are within D2D communication range of each other, and UE2 and UE3 are not within D2D communication range of each other.
  • UE1, UE2, and UE3 respectively hold UE1, UE2, and UE3 having D2D communication and relay functions.
  • UE1 and UE2 are within D2D communication range of each other, UE1 and UE3 are within D2D communication range of each other, and UE2 and UE3 are not within D2D communication range of each other.
  • the device further includes a bearer establishing unit 30, and the connection mapping unit 20,
  • the remote UE accesses, or when the remote UE initiates the service request/bearer setup request/bearer modification request, or receives the D2D data sent by the remote UE, the D2D bearer configuration is initiated to the remote end UE/ Reconfigure, establish the corresponding D2D bearer; and / or
  • the received D2D data or cellular data is mapped to the D2D bearer according to the TFT corresponding to the D2D bearer.
  • the mapping unit 20 is configured to discard the received data when a matching D2D bearer or cellular bearer cannot be found; or
  • the cellular data received by the plurality of QCI cellular bearers is mapped to a Q2 D2D bearer.
  • the mapping unit 20 is configured to:
  • the received cellular data is mapped to the D2D bearer of the same logical channel identifier according to the logical channel identifier of the bearer corresponding to the received cellular data.
  • mapping unit 20 when the first rule is a priority of a bearer, the mapping unit 20 is configured to:
  • mapping unit 20 when the first rule is the priority of the remote UE, the mapping unit 20 is configured to
  • the received D2D data is mapped to a corresponding priority cellular bearer for transmission according to the priority of the D2D UE corresponding to the received D2D data.
  • the mapping unit 20 is configured to receive according to a priority of a D2D communication group/data packet corresponding to the received D2D data.
  • the incoming D2D data is mapped to a corresponding priority cellular bearer.
  • mapping unit 20 when the first rule is that the bearer guarantees a bit rate, the mapping unit 20 is configured to:
  • the cellular data received by the non-guaranteed bit rate cellular bearer is mapped to the D2D bearer of the non-guaranteed bit rate.
  • the received cellular data is DSCP-identified according to the QCI of the bearer corresponding to the received cellular data, and then mapped to the D2D bearer corresponding to the QCI according to the DSCP information of the cellular data.
  • mapping unit 20 when the first rule is a default D2D or a cellular bearer, the mapping unit 20 is configured to:
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

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

Abstract

L'invention concerne un procédé de commande de porteuse relais, comprenant les étapes consistant : à acquérir une première règle ; et à exécuter, selon les premières règles acquises, le mappage d'une porteuse de dispositif à dispositif (D2D) et d'une porteuse en nid d'abeille et/ou de la porteuse D2D et d'une autre porteuse D2D, le mappage de la porteuse D2D et de la porteuse en nid d'abeille étant le mappage d'une porteuse entre un équipement utilisateur relais et un UE distant et une porteuse entre l'UE relais et un côté réseau, et le mappage de la porteuse D2D et de l'autre porteuse D2D est le mappage d'une porteuse entre l'UE relais et l'UE distant et d'une porteuse entre l'UE relais et d'un UE distant opposé. L'invention concerne également un appareil de commande de porteuse relais et un support de stockage informatique.
PCT/CN2015/089661 2015-04-09 2015-09-15 Appareil et procédé de commande de porteuse relais et support de stockage informatique WO2016161764A1 (fr)

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CN201510165791.8A CN106162512A (zh) 2015-04-09 2015-04-09 一种中继承载控制方法和装置
CN201510165791.8 2015-04-09

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CN106686532B (zh) * 2017-01-05 2021-12-21 宇龙计算机通信科技(深圳)有限公司 通信方法、系统及终端化基站及所提供的终端化小区
CN108366355B (zh) * 2017-01-26 2023-05-02 中兴通讯股份有限公司 数据发送方法、数据发送终端以及基站
CN108391285B (zh) * 2017-02-03 2023-05-05 中兴通讯股份有限公司 一种设备直通系统的通信方法、数据转发方法及装置
WO2018145292A1 (fr) * 2017-02-10 2018-08-16 华为技术有限公司 Procédé, dispositif, et système de communication
CN110139322A (zh) * 2018-02-08 2019-08-16 电信科学技术研究院有限公司 一种数据传输方法及终端
CN113301518A (zh) * 2018-04-09 2021-08-24 华为技术有限公司 通信方法及装置
CN110602801B (zh) * 2019-08-09 2022-04-05 北京紫光展锐通信技术有限公司 链路配置方法及装置
WO2021155527A1 (fr) * 2020-02-06 2021-08-12 Mediatek Singapore Pte. Ltd. Procédés et appareil d'attribution de ressources basée sur une coordination d'ue
CN111901847A (zh) * 2020-02-13 2020-11-06 中兴通讯股份有限公司 sidelink中继通信方法、装置、设备及介质
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CN117279037A (zh) * 2020-04-28 2023-12-22 华为技术有限公司 通信方法和装置
CN113660680B (zh) * 2020-05-12 2023-11-07 维沃移动通信有限公司 副链路中继架构中的配置方法和设备
CN113784415A (zh) * 2020-06-09 2021-12-10 华为技术有限公司 一种建立中继承载的方法及通信装置
CN113905397B (zh) * 2020-06-22 2024-02-27 维沃移动通信有限公司 中继确定方法、配置方法、装置、终端及网络侧设备
KR20220003456A (ko) 2020-07-01 2022-01-10 아서스테크 컴퓨터 인코포레이션 무선 통신 시스템에서 ｕｅ-대-ｕｅ 릴레이 통신을 수행하기 위한 사이드링크 무선 베어러를 설정하기 위한 방법 및 장치
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CN115801736B (zh) * 2023-01-09 2023-04-18 北京天际友盟信息技术有限公司 Ip地址库构建加载方法及装置、ip地址查询方法及装置

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