WO2014056377A1 - D2d的通信处理、通信方法及装置 - Google Patents

D2d的通信处理、通信方法及装置 Download PDF

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Publication number
WO2014056377A1
WO2014056377A1 PCT/CN2013/083085 CN2013083085W WO2014056377A1 WO 2014056377 A1 WO2014056377 A1 WO 2014056377A1 CN 2013083085 W CN2013083085 W CN 2013083085W WO 2014056377 A1 WO2014056377 A1 WO 2014056377A1
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Prior art keywords
communication
terminal
access request
network side
matching
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PCT/CN2013/083085
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English (en)
French (fr)
Inventor
毛磊
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中兴通讯股份有限公司
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Publication of WO2014056377A1 publication Critical patent/WO2014056377A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the present invention relates to the field of communications, and in particular to a D2D communication processing and communication method and apparatus.
  • D2D communication is a new technology that allows terminals to communicate directly by multiplexing cell resources under the control of a system, which can increase the spectrum efficiency of a cellular communication system.
  • the terminal transmission power is reduced, and the problem of lack of spectrum resources of the wireless communication system is solved to some extent.
  • D2D technology can be applied to mobile cellular networks to improve resource utilization and network capacity.
  • Each D2D communication link occupies the same amount of resources as a cellular communication link.
  • the D2D communication will obtain the frequency resources and transmission power required for communication under the control of the macrocell base station. While it shares wireless resources with the cellular network, it also brings some interference.
  • the model of D2D communication in cellular communication is shown in Fig. 1.
  • D2D communication can be applied to a variety of communication services, especially at close range or within the same area. For example, in a hotspot coverage area, users can share data directly without going through the base station. Compared with providing a download service through a cell base station, this not only ensures the user's service requirements, but also reduces the load pressure on the base station. Cellular base stations can also provide voice and data services while performing D2D communication.
  • D2D can also be applied to implement some local communication, such as applying D2D to indoor environment.
  • some indoor scenes where system coverage is insufficient multiple users can transmit data through D2D communication.
  • Companion discovery, synchronization, connection, and data transmission are performed between close-range terminals.
  • D2D discovery refers to how D2D terminals discover other D2D terminals around them. It is an important part of D2D communication. There is no technology for forming. In view of the above problems in the related art, an effective solution has not yet been proposed.
  • a D2D communication processing method is provided, which is applied to a network side, and includes: receiving a D2D access request sent by each terminal that needs to perform device-to-device (D2D) communication; The matching is performed on each terminal.
  • the matching result is sent to the successfully matched terminal, where the matching result is used to indicate that the successfully matched terminal can perform D2D communication.
  • the method further includes: performing authentication on whether each terminal can perform D2D communication, wherein after the authentication is passed, performing matching determination.
  • the method further includes: allocating a resource required for performing D2D communication to the terminal that successfully matches.
  • the resource required for performing the D2D communication to be successfully matched to the terminal includes: receiving a response message sent by the terminal that successfully matches, wherein the response message is used to indicate whether the terminal performs D2D communication; and when the response message indicates that D2D communication is required, The successfully matched terminal allocates resources required for D2D communication.
  • the D2D access request carries at least one of the following information: a D2D communication method, a D2D communication target requirement, a D2D capability of the terminal, and an effective time of the access request.
  • a D2D communication method including: a device that needs to perform device-to-device (D2D) communication sends a D2D access request to a network side; and the network side performs a terminal according to an access request.
  • D2D device-to-device
  • the terminal receives the matching result sent by the network side, where the matching result is used to indicate that the successfully matched terminal can perform D2D communication.
  • the terminal includes: the terminal sends a response message to the network side, where the response message is used to indicate whether the terminal performs D2D communication.
  • the method further includes: when the response message indicates that D2D communication is required, the terminal performs D2D communication by using resources allocated by the network side for performing D2D communication.
  • the D2D access request carries at least one of the following information: a D2D communication method, a D2D communication object requirement, a D2D capability of the terminal, and an effective time of the access request.
  • a D2D communication processing apparatus which is applied to a network side, and includes: a receiving module, configured to receive D2D access sent by each terminal that needs device-to-device (D2D) communication
  • the matching module is configured to match each terminal according to the access request
  • the sending module is configured to send the matching result to the successfully matched terminal if the matching is successful, where the matching result is used to indicate the terminal that is successfully matched.
  • D2D communication is possible.
  • the receiving module is configured to receive a D2D access request carrying at least one of the following information: a D2D communication mode, a D2D communication object requirement, a D2D capability of the terminal, and an effective time of the access request.
  • the device further includes: an authentication module, configured to perform authentication on whether each terminal can perform D2D communication, wherein after the authentication is passed, the matching determination is performed.
  • a D2D communication device is provided, which is located in a terminal that needs to perform device-to-device (D2D) communication, and includes: a sending module, configured to send a D2D access request to a network side; a receiving module After the network side successfully matches the terminal according to the access request, the terminal receives the matching result sent by the network side.
  • D2D device-to-device
  • the sending module is configured to send, to the network side, a D2D access request that carries at least one of the following information: a D2D communication mode, a D2D communication object requirement, a D2D capability of the terminal, and an effective time of the access request.
  • a D2D communication mode a D2D communication mode
  • a D2D communication object requirement a D2D capability of the terminal
  • an effective time of the access request a D2D access request that carries at least one of the following information: a D2D communication mode, a D2D communication object requirement, a D2D capability of the terminal, and an effective time of the access request.
  • the terminal that needs to perform D2D communication is matched on the network side, and the technical means for performing D2D communication can be performed when the matching is successful, and the related technology is not implemented, and the discovery process of the other D2D terminal is not implemented.
  • FIG. 2 is a flowchart of a D2D communication processing method according to Embodiment 1 of the present invention
  • 3 is a block diagram showing the structure of a D2D communication processing apparatus according to Embodiment 1 of the present invention
  • FIG. 4 is a block diagram showing another configuration of a D2D communication processing apparatus according to Embodiment 1 of the present invention
  • FIG. 6 is a block diagram showing the structure of a D2D communication processing apparatus according to Embodiment 2 of the present invention
  • FIG. 7 is a schematic diagram of a network-assisted D2D discovery process according to Embodiment 4 of the present invention
  • FIG. 9 is a schematic diagram of another network-assisted D2D discovery process according to Embodiment 6 of the present invention.
  • FIG. 2 is a flowchart of a D2D communication processing method according to Embodiment 1 of the present invention.
  • the embodiment provides a D2D communication processing method, and the method is applied to the network side. As shown in FIG.
  • Step S202 Receive a D2D access request sent by each terminal that needs to perform D2D communication; Step S204 And matching the terminals according to the access request. Step S206: If the matching is successful, the matching result is sent to the terminal that is successfully matched, where the matching result is used to indicate that the successfully matched terminal can perform D2D communication.
  • the terminal that needs to perform D2D communication is matched based on the network side, so that the successfully matched terminal can perform D2D communication, thereby completing the terminal discovery process and the D2D communication with the assistance of the network; meanwhile, maintaining synchronization based on the network
  • the terminal corresponding to the received D2D access request may be authenticated. Specifically, in this embodiment, the following may also be included.
  • the D2D communication can be authenticated for each terminal, and after the authentication is passed, the matching judgment is performed.
  • the network side needs to allocate the resources required for the D2D communication to the successfully matched terminal.
  • the foregoing is a method for allocating resources for a terminal.
  • the method may be implemented by: receiving a response message sent by a terminal that is successfully matched, where the response message is used to indicate whether the terminal performs D2D communication. When the response message indicates that D2D communication is required, the resources required for D2D communication are allocated for the terminal that matches the success.
  • the D2D access request carries at least one of the following information: a D2D communication mode, a D2D communication object requirement, a D2D capability of the terminal, and an effective time of the access request.
  • a D2D communication processing device is also provided, which is applied to the network side, and is used to implement the foregoing embodiments and preferred embodiments.
  • the module to be explained.
  • the term "module" may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus includes a receiving module 30 connected to the matching module 32, configured to receive a D2D access request sent by each terminal that needs to perform device-to-device D2D communication, and a matching module 32 connected to the sending module 34.
  • the setting module is configured to perform matching on each terminal according to the access request.
  • the sending module 34 is configured to send the matching result to the terminal that is successfully matched, where the matching result is used to indicate that the successfully matched terminal can perform D2D. Communication.
  • the terminal discovery process and the D2D communication can also be completed with the aid of the network; meanwhile, based on the synchronization with the network, there is no need to perform a synchronization process between the two terminals, and the implementation is simple.
  • the synchronization process and signaling interaction between terminals are reduced.
  • the receiving module 30 is configured to receive a D2D access request carrying at least one of the following information: a D2D communication method, a D2D communication target request, a D2D capability of the terminal, and an effective time of the access request.
  • a D2D access request carrying at least one of the following information: a D2D communication method, a D2D communication target request, a D2D capability of the terminal, and an effective time of the access request.
  • the foregoing apparatus may further include: an authentication module 36, connected to the sending module 34, configured to authenticate whether each terminal can perform D2D communication, where After the right is passed, the matching judgment is made.
  • Embodiment 2 This embodiment corresponds to Embodiment 1, and the process of D2D communication is described on the terminal side.
  • the D2D communication method provided in this embodiment includes: Step S502: A terminal that needs to perform D2D communication The network side sends a D2D communication request.
  • Step S504 After the network side successfully matches the terminal according to the access request, the terminal receives the matching result sent by the network side, where the matching result is used to indicate that the successfully matched terminal can perform D2D communication.
  • the terminal after receiving the matching result sent by the network side, the terminal sends a response message to the network side, where the response message is used to indicate whether the terminal performs D2D communication.
  • the response message indicates that D2D communication is required
  • the terminal performs D2D communication by using resources allocated for D2D communication allocated by the network side.
  • the D2D access request carries at least one of the following information: a D2D communication method, a D2D communication object requirement, a D2D capability of the terminal, and an effective time of the access request.
  • a D2D communication device is provided, which is located in a terminal that needs to perform device-to-device D2D communication, and is used to implement the foregoing method. As shown in FIG.
  • the device includes: a sending module 60, connected to receive The module 62 is configured to send a D2D access request to the network side.
  • the receiving module 62 is configured to: after the network side successfully matches the terminal according to the access request, the terminal receives the matching result sent by the network side.
  • the sending module 60 is configured to send, to the network side, a D2D access request that carries at least one of the following information: a D2D communication method, a D2D communication target request, a D2D capability of the terminal, and an effective time of the access request.
  • the main design idea is as follows: The terminal requests the network to establish D2D communication, and the network performs pairing. After the pairing is successful, the network allocates D2D resources for the terminal that performs D2D communication, and the terminal allocates D2D communication is performed on the D2D resource.
  • the D2D discovery method provided in this embodiment includes the following processing steps: Step 1: The terminal sends a D2D access request message to the access network, requesting D2D communication; the access request message includes: D2D communication mode, D2D communication object requirement, terminal D2D capability, etc.; Steps 2, 3: After receiving two D2D access requests, the access network performs pairing and performs related authentication process with the core network to confirm that the two users are legitimate subscription users and satisfy D2D. Other requirements for communication.
  • Step 4 the access network sends the D2D access indication information to the successfully paired UE1 and UE2, notifies the configuration success, and informs the related information of the paired terminal, such as the D2D establishment mode;
  • Step 5 Optional, UE1 After receiving the D2D access indication information sent by the access network, if UE2 is willing to perform D2D communication with the paired user, UE1 and UE2 respectively respond to the D2D setup response message, and inform the access network that they are willing and ready to perform D2D with the paired user. Communication.
  • Step 6 After receiving the D2D setup response of the two terminals, the access network allocates D2D resources for transmitting and receiving data to UE1 and UE2.
  • Step ⁇ UE1 and UE2 perform data transmission and reception on the D2D resources allocated by the access network.
  • RRC Radio Resource Control
  • UE1 and UE2 are in the Radio Resource Control (RRC) connected state, they maintain synchronization with the base station, and there is no need to perform a synchronization process between UE1 and UE2.
  • the terminal pairing process is completed with the aid of the network, and resources are allocated by the network, and the two terminals directly communicate; meanwhile, based on synchronization with the network, there is no need to perform a synchronization process between the two terminals.
  • the implementation is simple, and the synchronization process and the signaling interaction between the terminals are reduced.
  • Embodiment 4 The D2D discovery process 1 of two terminals in the cell is illustrated by using FIG. 7 as shown in FIG. 7.
  • the process includes: Step S702, in a train Station, User A (UEl) In the process of waiting for a bus, I want to find a partner who travels to a certain destination to exchange some tourist information. User A then operates UE1 to send a D2D access request message to the access network.
  • the access request message includes: D2D capability of UE1, such as physical layer transmission capability and power level; D2D communication mode desired by user A, For example, D2D communication through cellular system resources, D2D communication through other unauthorized resources, etc.; D2D communication objects, such as travel enthusiasts, other user categories; in addition, optionally, user A can also configure the effective time of the D2D request, It is valid within 10 minutes.
  • User B UE2
  • User B is also waiting for the train to the tourist destination.
  • User B also has the same demand.
  • User B also sends a D2D access request to the access network.
  • the content of the access request message is the same as User A. .
  • Step S704 the access network first receives the D2D access request sent by the UE1, and saves it in the access network device.
  • the network may control the D2D access based on the effective time of the D2D access request sent by the UE1. The validity of the request, if the D2D access request is not successfully paired within the valid time, the network deletes the D2D access request. Subsequently, the access network receives the D2D access request sent by the UE2; the access network performs a pairing decision on the access request of the UE1 and the UE2, and finds that the two users are the same type of D2D communication object, and the requested D2D communication mode is also the same.
  • the D2D capability is also matched, and the access network determines that UE1 and UE2 are successfully paired.
  • Step S706 The access network sends the information of the UE1/UE2 to the core network, and the core network performs an authentication process, checks the subscription information of the UE1 and the UE2, and confirms that the UE1 and the UE2 are legitimate subscription users and meet the requirements for performing D2D communication.
  • Step S708 The access network sends the D2D access indication information to the successfully paired UE1 and UE2, and informs the configuration that the configuration is successful. Further, the related information of the paired terminal, such as the D2D establishment mode, the identifier of the terminal, and the like, may also be notified.
  • Step S710 After receiving the D2D access indication information sent by the access network, UE1 and UE2 send a D2D setup response message to inform the access network that they are willing and ready to cooperate with the paired user. Paired users perform D2D communication. If the purpose of a D2D application is only to discover each other, for example, if there is a companion around, then it can be terminated by performing step 5, and there is no need to allocate D2D resources for transmitting and receiving data to the user. There may be an abnormal situation in this step: If UE1 is unwilling to establish D2D communication, it is configured as "unwilling" in the feedback response message, and further, may include related reasons, such as insufficient time, insufficient power, and the like.
  • the access network will notify the paired user UE2 through dedicated signaling, the D2D establishment process fails, and the associated cause value. At the same time, the access network will delete the D2D access request of UE1. At this point, the D2D discovery process ends. Step S712, after receiving the D2D setup response of UE1 and UE2, the access network completes the D2D discovery process. Further, the access network allocates a D2D resource for transmitting and receiving data to the UE1 and the UE2, and sends a resource allocation message. In step S714, the UE1 and the UE2 perform data transmission and reception on the D2D resource allocated by the network.
  • Embodiment 5 A D2D discovery process 2 (simplified process) of two terminals in a cell will be described using FIG. 8 as an example. As shown in FIG. 8, the discovery process includes: Step S802: In a railway station, user A (UE1), in the process of waiting for a bus, wants to find a partner who travels to a certain tourist destination to exchange some tourist information. User A then operates UE1 to send a D2D access request message to the access network.
  • UE1 In a railway station, user A (UE1), in the process of waiting for a bus, wants to find a partner who travels to a certain tourist destination to exchange some tourist information. User A then operates UE1 to send a D2D access request message to the access network.
  • the access request message includes: D2D capability of UE1, such as physical layer transmission capability and power level; D2D communication mode desired by user A, such as through a cellular System resources for D2D communication, D2D communication through other unlicensed resources, etc.; D2D communication objects, such as travel enthusiasts, other user categories; In addition, optionally, User A can also configure the effective time of the D2D request, such as 10 minutes. Valid inside.
  • User B (UE2) is also waiting for the train to the tourist destination. User B also has the same demand. User B also sends a D2D access request to the access network.
  • the content of the access request message is the same as User A. .
  • Step S804 the access network first receives the D2D access request sent by the UE1, and saves it in the access network device.
  • the network may control the D2D access based on the valid time of the D2D access request sent by the UE1. The validity of the request, if the D2D access request is not successfully paired within the valid time, the network deletes the D2D access request. Subsequently, the access network receives the D2D access request sent by the UE2; the access network performs a pairing decision on the access request of the UE1 and the UE2, and finds that the two users are the same type of D2D communication object, and the requested D2D communication mode is also the same.
  • Step S806 The access network sends the information of the UE1/UE2 to the core network, and the core network performs an authentication process, checks the subscription information of the UE1 and the UE2, and confirms that the UE1 and the UE2 are legitimate subscription users and meet the requirements for performing D2D communication.
  • Step S808 The access network directly determines that the UE1 and the UE2 are successfully paired based on the access request information of the UE1 and the UE2, and allocates D2D resources for transmitting and receiving data to the UE1 and the UE2, and the access network sends a D2D access indication to the UE1 and the UE2, respectively. It may include related information of the paired terminal, such as D2D establishment mode, terminal identification, and resource allocation. If the purpose of a D2D application is only to discover each other, for example, to know if there are companions around, the access network does not need to allocate D2D resources for sending and receiving data to the user.
  • the access network sends a D2D access indication to the UE1 and the UE2, where the information about the paired terminal, such as the identifier of the terminal, may be included.
  • the D2D discovery process ends.
  • Step S810 UE1 and UE2 perform data transmission and reception on the D2D resources allocated by the network. Since both UE1 and UE2 are in the RRC connected state, synchronization with the base station is maintained, and the physical layer synchronization process is not required between UE1 and UE2, and the preamble is not required to be transmitted.
  • Embodiment 6 Taking FIG. 9 as an example, the D2D discovery process terminals of two terminals in a non-cell are not in the same cell. As shown in FIG.
  • the discovery process includes: The discovery process between users in a non-cell is similar to that in Embodiments 5 and 6. The specific steps are not described in detail. The difference is that UE1 is located in cell 1, UE2 is located in cell 2, and UE1 requests D2D access. Sended to the cell 1, the UE2 sends a D2D access request to the cell 2, and the cell 1 and the cell 2 directly exchange, and complete the pairing process, how to perform the authentication process on the core network respectively. After successful, the cell 1 feeds back the D2D access indication to the UE1, and the cell 2 feeds back the D2D access indication to the UE2, and the UE1 and the UE2 respond in the cell 1 and the cell 2, respectively.
  • steps S912 and S914 are optional. If UE1 and UE2 only need to implement the D2D discovery process, it may proceed to step S910.
  • software is also provided for performing the technical solutions described in the above embodiments and preferred embodiments.
  • a storage medium is provided, the software being stored, including but not limited to: an optical disk, a floppy disk, a hard disk, a rewritable memory, and the like.
  • the computing device may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
  • the above technical solution provided by the present invention can be applied to a communication process of D2D.
  • the method of matching the terminals that need to perform D2D communication on the network side, and the technical means for performing D2D communication when the matching is successful solves the technical problem that the terminal discovers other discovery processes of the D2D terminal, and thus
  • the terminal discovery process and the D2D communication are completed with the assistance of the network; meanwhile, based on the synchronization with the network, the synchronization process does not need to be performed between the two terminals, and the implementation is simple, and the synchronization process and the signaling interaction between the terminals are reduced.

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Abstract

本发明提供了一种D2D的通信处理、通信方法及装置。其中，上述通信处理方法应用于网络侧，包括：接收需要进行D2D通信的各个终端发送过来的D2D接入请求；根据接入请求对各个终端进行匹配；在匹配成功的情况下，将匹配结果发送给匹配成功的终端，其中，匹配结果用于指示匹配成功的终端可以进行D2D通信。采用本发明提供的上述技术方案，解决了相关技术中，尚无实现终端发现其它进行D2D终端的发现过程的技术手段等技术问题，从而在网络的辅助下完成终端发现过程和D2D通信；同时，基于与网络的同步保持，不需要在两个终端之间执行同步过程，并且，实现简单，减少了同步过程和终端间的信令交互。

Description

D2D的通信处理、 通信方法及装置
技术领域 本发明涉及通信领域， 具体而言， 涉及一种 D2D的通信处理、 通信方法及装置。 背景技术 设备对设备 （Device-to-Device, 简称为 D2D)通信是一种在系统的控制下， 允许 终端之间通过复用小区资源直接进行通信的新型技术， 它能够增加蜂窝通信系统频谱 效率， 降低终端发射功率， 在一定程度上解决无线通信系统频谱资源匮乏的问题。
D2D技术可以应用于移动蜂窝网络， 以提高资源利用率和网络容量。每一个 D2D 通信链路占用的资源与一个蜂窝通信链路占用的相等。 D2D通信将在宏蜂窝基站的控 制下获得通信所需的频率资源和传输功率。 它与蜂窝网络共享无线资源的同时， 也会 带来一定的干扰。 在研究小区内 D2D通信方案时， 我们考虑只有一个独立小区的场景， D2D通信 在蜂窝通信中的模型如图 1所示。 基站 （Base Station, 简称为 BS) 为小区中心基站， 11¾是小区内的用户 （i=l、 2、 3〜）， 其中 U 是与蜂窝基站通信的用户， UE2和 UE3 组成一条 D2D链路， 它们可以在基站的协调下直接进行通信。 D2D通信与宏蜂窝通 信共享网络资源。
D2D通信可应用于多种通信业务， 特别是近距离的或同一区域内的通信。 如某个 热点覆盖区域内， 用户可以不经过基站而直接共享资料。 相比于通过蜂窝小区基站来 提供下载业务，这样既保证了用户的服务需求，又减轻了基站的负载压力。在进行 D2D 通信的同时， 蜂窝基站还可以提供话音和数据服务。
D2D还能应用于实现一些本地通信， 如将 D2D应用于室内环境， 在系统覆盖不 充分的一些室内场景， 多个用户之间可以通过 D2D通信传输数据。不需要通过固定网 络接入核心网。而由于穿透损耗的原因，使得 D2D通信与宏蜂窝通信之间的干扰很小。 要实现 D2D通信， 需执行如下步骤： 近距离终端之间完成同伴发现、 同步、 连接 以及数据传输几个阶段。
D2D 发现 （discovery) 是指 D2D终端如何发现周围存在其他 D2D终端的过程， 是实现 D2D通信的重要环节， 目前还没有成型的技术。 针对相关技术中的上述问题， 目前尚未提出有效的解决方案。 发明内容 针对相关技术中，尚无实现终端发现其它进行 D2D终端的发现过程的技术手段等 技术问题， 本发明实施例提供了一种 D2D的通信处理、通信方法及装置， 以至少解决 上述问题。 根据本发明的一个实施例， 提供了一种 D2D的通信处理方法， 应用于网络侧， 包 括： 接收需要进行设备对设备（D2D)通信的各个终端发送过来的 D2D接入请求； 根 据接入请求对各个终端进行匹配； 在匹配成功的情况下， 将匹配结果发送给匹配成功 的终端， 其中， 匹配结果用于指示匹配成功的终端可以进行 D2D通信。 根据接入请求对各个终端进行匹配时， 还包括： 对各个终端是否能够进行 D2D通 信进行鉴权， 其中， 在鉴权通过后， 再进行匹配判断。 将匹配结果发送给匹配成功的终端之后，还包括:为匹配成功的终端分配进行 D2D 通信所需要的资源。 为匹配成功的终端分配进行 D2D通信所需要的资源， 包括： 接收匹配成功的终端 发送的响应消息， 其中， 响应消息用于指示终端是否进行 D2D通信； 在响应消息指示 需要进行 D2D通信时， 为匹配成功的终端分配进行 D2D通信所需要的资源。 上述 D2D接入请求中携带有以下至少之一信息： D2D通信方式、 D2D通信对象 要求、 终端的 D2D能力、 接入请求的有效时间。 根据本发明的另一个实施例， 提供了一种 D2D的通信方法， 包括： 需要进行设备 对设备（D2D)通信的终端向网络侧发送 D2D接入请求； 在网络侧根据接入请求对终 端进行匹配成功后， 终端接收网络侧发送的匹配结果， 其中， 匹配结果用于指示匹配 成功的终端可以进行 D2D通信。 终端接收网络侧发送的匹配结果之后， 包括： 终端向网络侧发送响应消息， 其中， 响应消息用于指示终端是否进行 D2D通信。 上述方法还包括： 在响应消息指示需要进行 D2D通信时， 终端利用网络侧分配的 进行 D2D通信所需要的资源进行 D2D通信。 上述 D2D接入请求携带有以下至少之一信息： D2D通信方式、 D2D通信对象要 求、 终端的 D2D能力、 接入请求的有效时间。 根据本发明的又一个实施例， 提供了一种 D2D的通信处理装置， 应用于网络侧， 包括： 接收模块， 设置为接收需要进行设备对设备 （D2D) 通信的各个终端发送过来 的 D2D接入请求； 匹配模块， 设置为根据接入请求对各个终端进行匹配； 发送模块， 设置为在匹配成功的情况下， 将匹配结果发送给匹配成功的终端， 其中， 匹配结果用 于指示匹配成功的终端可以进行 D2D通信。 上述接收模块， 设置为向接收携带有以下至少之一信息的 D2D 接入请求： D2D 通信方式、 D2D通信对象要求、 终端的 D2D能力、 接入请求的有效时间。 上述装置还包括：鉴权模块，设置为对各个终端是否能够进行 D2D通信进行鉴权， 其中， 在鉴权通过后， 再进行匹配判断。 根据本发明的再一个实施例， 提供了一种 D2D的通信装置， 位于需要进行设备对 设备 （D2D) 通信的终端中， 包括： 发送模块， 设置为向网络侧发送 D2D接入请求； 接收模块， 设置为在网络侧根据接入请求对终端进行匹配成功后， 终端接收网络侧发 送的匹配结果。 上述发送模块， 设置为向网络侧发送携带有以下至少之一信息的 D2D接入请求： D2D通信方式、 D2D通信对象要求、 终端的 D2D能力、 接入请求的有效时间。 通过本发明实施例， 采用在网络侧对需要进行 D2D通信的终端进行匹配， 在匹配 成功时可以进行 D2D通信的技术手段， 解决了相关技术中， 尚无实现终端发现其它进 行 D2D终端的发现过程的技术手段等技术问题，从而在网络的辅助下完成终端发现过 程和 D2D通信； 同时，基于与网络的同步保持，不需要在两个终端之间执行同步过程， 并且， 实现简单， 减少了同步过程和终端间的信令交互。 附图说明 此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部分， 本发 明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的不当限定。 在附图 中- 图 1为根据相关技术的 D2D通信在蜂窝网中的应用模型示意图； 图 2为根据本发明实施例 1的 D2D的通信处理方法的流程图； 图 3为根据本发明实施例 1的 D2D的通信处理装置的结构框图； 图 4为根据本发明实施例 1的 D2D的通信处理装置的另一结构框图； 图 5为根据本发明实施例 2的 D2D的通信处理方法的流程图； 图 6为根据本发明实施例 2的 D2D的通信处理装置的结构框图； 图 7为根据本发明实施例 4的网络辅助的 D2D发现过程示意图； 图 8为根据本发明实施例 5的网络辅助的另一 D2D发现过程示意图； 图 9为根据本发明实施例 6的网络辅助的再一 D2D发现过程示意图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是， 在不冲突的 情况下， 本申请中的实施例及实施例中的特征可以相互组合。 考虑到相关技术中，尚无实现终端发现其它进行 D2D终端的发现过程的技术手段 等技术问题， 以下结合实施例提供了相关的解决方案， 现详细说明。 实施例 1 图 2为根据本发明实施例 1的 D2D的通信处理方法的流程图。本实施例提供一种 D2D的通信处理方法， 该方法应用于网络侧， 如图 2所示， 该方法包括： 步骤 S202， 接收需要进行 D2D通信的各个终端发送过来的 D2D接入请求； 步骤 S204， 根据接入请求对各个终端进行匹配； 步骤 S206， 在匹配成功的情况下， 将匹配结果发送给匹配成功的终端， 其中， 匹 配结果用于指示匹配成功的终端可以进行 D2D通信。 通过上述处理过程， 基于网络侧对需要进行 D2D通信的终端进行匹配，使匹配成 功的终端可以进行 D2D通信， 从而在网络的辅助下完成终端发现过程和 D2D通信； 同时， 基于与网络的同步保持， 不需要在两个终端之间执行同步过程， 并且， 实现简 单， 减少了同步过程和终端间的信令交互。 为了增强 D2D发现过程的安全性， 在根据接入请求对各个终端进行匹配时， 还可 以对接收到的 D2D接入请求对应的终端进行鉴权， 具体地， 在本实施例中还可以包括 以下处理过程： 对各个终端是否能够进行 D2D通信进行鉴权， 其中， 在鉴权通过后， 再进行匹配判断。 为了保证 D2D通信的正常进行， 在将匹配结果发送给匹配成功的终端之后， 还需 要网络侧为匹配成功的终端分配进行 D2D通信所需要的资源。 上述为终端分配资源的方式有多种， 在本实施例的一个优选实施方式中， 可以通 过以下方式实现： 接收匹配成功的终端发送的响应消息， 其中， 响应消息用于指示终 端是否进行 D2D通信； 在响应消息指示需要进行 D2D通信时， 为匹配成功的终端分 配进行 D2D通信所需要的资源。 在本实施例中， D2D接入请求中携带有以下至少之一信息： D2D通信方式、 D2D 通信对象要求、 终端的 D2D能力、 接入请求的有效时间。 在本实施例中还提供了一种 D2D的通信处理装置， 该装置应用于网络侧， 用于实 现上述实施例及优选实施方式， 已经进行过说明的不再赘述， 下面对该装置中涉及到 的模块进行说明。 如以下所使用的， 术语"模块"可以实现预定功能的软件和 /或硬件的 组合。 尽管以下实施例所描述的装置较佳地以软件来实现， 但是硬件， 或者软件和硬 件的组合的实现也是可能并被构想的。图 3为根据本发明实施例 1的 D2D的通信处理 装置的结构框图。 如图 3所示， 该装置包括- 接收模块 30， 连接至匹配模块 32， 设置为接收需要进行设备对设备 D2D通信的 各个终端发送过来的 D2D接入请求； 匹配模块 32， 连接至发送模块 34， 设置为根据接入请求对各个终端进行匹配； 发送模块 34， 设置为在匹配成功的情况下， 将匹配结果发送给匹配成功的终端， 其中， 匹配结果用于指示匹配成功的终端可以进行 D2D通信。 通过上述各个处理模块实现的功能， 同样可以在网络的辅助下完成终端发现过程 和 D2D通信； 同时， 基于与网络的同步保持， 不需要在两个终端之间执行同步过程， 并且， 实现简单， 减少了同步过程和终端间的信令交互。 在本实施例中， 上述接收模块 30， 设置为向接收携带有以下至少之一信息的 D2D 接入请求： D2D通信方式、 D2D通信对象要求、 终端的 D2D能力、 接入请求的有效 时间。 在本实施例中， 优选地， 如图 4所示， 上述装置还可以包括： 鉴权模块 36， 连接 至发送模块 34， 设置为对各个终端是否能够进行 D2D通信进行鉴权， 其中， 在鉴权 通过后， 再进行匹配判断。 实施例 2 本实施例与实施例 1相对应，在终端侧对 D2D通信的过程进行说明，如图 5所示， 本实施例提供的 D2D通信方法包括： 步骤 S502， 需要进行 D2D通信的终端向网络侧发送 D2D接入请求； 步骤 S504， 在网络侧根据接入请求对终端进行匹配成功后， 终端接收网络侧发送 的匹配结果， 其中， 匹配结果用于指示匹配成功的终端可以进行 D2D通信。 在本实施例中， 终端接收网络侧发送的匹配结果之后， 向网络侧发送响应消息， 其中， 响应消息用于指示终端是否进行 D2D通信。 在上述响应消息指示需要进行 D2D通信时， 终端利用网络侧分配的进行 D2D通 信所需要的资源进行 D2D通信。 上述 D2D接入请求携带有以下至少之一信息： D2D通信方式、 D2D通信对象要 求、 终端的 D2D能力、 接入请求的有效时间。 在本实施例中， 还提供一种 D2D的通信装置， 位于需要进行设备对设备 D2D通 信的终端中， 用于实现上述方法， 如图 6所示， 该装置包括： 发送模块 60， 连接至接收模块 62， 设置为向网络侧发送 D2D接入请求； 接收模块 62， 设置为在网络侧根据接入请求对终端进行匹配成功后， 终端接收网 络侧发送的匹配结果。 优选地， 上述发送模块 60， 设置为向网络侧发送携带有以下至少之一信息的 D2D 接入请求： D2D通信方式、 D2D通信对象要求、 终端的 D2D能力、 接入请求的有效 时间。 为了更好地理解上述实施例 1和 2， 以结合具体实施例和相关附图详细说明。 实施例 3 本实施例提供了一种网络辅助的 D2D发现方法， 其主要设计思路在于： 终端向网 络请求建立 D2D通信， 网络进行配对， 配对成功后网络为进行 D2D通信的终端分配 D2D资源， 终端在所分配的 D2D资源上进行 D2D通信。 本实施例提供的 D2D发现方法包括以下处理步骤： 步骤 1 : 终端向接入网发送 D2D接入请求消息， 请求进行 D2D通信； 该接入请 求消息包括： D2D通信方式、 D2D通信对象要求、 终端的 D2D能力等； 步骤 2、 3： 接入网收到两个 D2D接入请求后， 进行配对， 并且与核心网进行相 关鉴权过程， 确认此两个用户是合法的签约用户并且满足进行 D2D通信的其他要求。 步骤 4: 可选的， 接入网发送 D2D接入指示信息给配对成功的 UE1和 UE2， 通 知其配置成功， 并告知配对终端的相关信息， 如 D2D建立方式； 步骤 5 : 可选的， UE1和 UE2收到接入网发送的 D2D接入指示信息后， 如果愿 意与配对用户执行 D2D通信，则 UE1和 UE2分别响应 D2D建立响应消息，告知接入 网其愿意并准备好与配对用户执行 D2D通信。 步骤 6: 接入网收到两个终端的 D2D建立响应后， 为 UE1和 UE2分配收发数据 的 D2D资源； 步骤 Ί UE1和 UE2在接入网分配的 D2D资源上进行数据收发。 （因为 UE1和 UE2都是处于无线资源控制 （Radio Resource Control, 简称为 RRC ) 连接态的终端， 都保持着与基站的同步， UE1和 UE2之间不需要执行同步过程。） 本实施例， 在网络的辅助下完成终端配对过程， 并由网络分配资源， 两个终端直 接进行通信； 同时， 基于与网络的同步保持， 不需要在两个终端之间执行同步过程。 实现简单， 减少了同步过程和终端间的信令交互 实施例 4 以图 7为例说明小区内两个终端的 D2D发现过程 1， 如图 7所示， 该过程包括： 步骤 S702， 在一个火车站， 用户 A (UEl ) 在等车过程中， 想找一个同往某个旅 游地的伙伴， 交流一些旅游信息。 于是用户 A操作 UE1向接入网发送了 D2D接入请求消息； 该接入请求消息中包 括： UE1的 D2D能力， 如物理层传输能力、功率等级； 用户 A希望的 D2D通信方式， 如通过蜂窝系统资源进行 D2D通信、 通过其他非授权资源进行 D2D通信等； D2D通 信对象， 如旅游爱好者、 其他用户类别； 另外， 可选的， 用户 A还可以配置该 D2D 请求的有效时间， 如 10分钟内有效。 同时， 用户 B (UE2) 也在等待通往该旅游地的火车， 用户 B也有同样的需求， 于是用户 B也发送了一个 D2D接入请求给接入网， 接入请求消息的内容同用户 A。 步骤 S704， 接入网首先接收到 UEl发送的 D2D接入请求， 并保存在接入网设备 中； 可选的， 网络可以基于 UE1发送的 D2D接入请求的有效时间， 来控制该 D2D接 入请求的有效性， 如果该 D2D 接入请求在有效时间内没有配对成功， 则网络删除该 D2D接入请求。 随后， 接入网接收到了 UE2发送的 D2D接入请求； 接入网将 UE1和 UE2的接入请求进行配对判决， 发现两个用户是同一类 D2D通 信对象， 且请求的 D2D通信方式也一样， D2D能力也是匹配的， 接入网确定 UE1和 UE2配对成功。 步骤 S706， 接入网将 UE1/UE2的信息发送给核心网， 核心网进行鉴权过程， 核 对 UE1和 UE2的签约信息， 确认 UE1和 UE2是合法的签约用户并且满足进行 D2D 通信的要求。 步骤 S708， 接入网发送 D2D接入指示信息给配对成功的 UE1和 UE2， 通知其配 置成功， 进一步， 还可告知配对终端的相关信息， 如 D2D建立方式， 终端的标识等信 息。 步骤 S710， UEl和 UE2收到接入网发送的 D2D接入指示信息后， 如果愿意与配 对用户执行 D2D通信，则 UE1和 UE2分别发送 D2D建立响应消息，告知接入网其愿 意并准备好与配对用户执行 D2D通信。 如果某个 D2D应用的目的仅为相互发现， 比 如了解一下周围是否有同伴， 则执行到步骤 5就可以结束， 不需要为用户分配收发数 据的 D2D资源。 在该步骤可能有如下异常情况： 如果 UE1不愿意建立 D2D通信，在反馈的响应消息中配置为 "不愿意"，进一步， 还可包括相关的原因， 如时间不够、 电量不足等。 进一步， 接入网将通过专用信令通知配对用户 UE2， D2D建立过程失败， 以及相 关的原因值。 同时， 接入网将删除 UE1的 D2D接入请求。 至此， D2D发现过程结束。 步骤 S712， 接入网收到了 UE1和 UE2的 D2D建立响应后， 完成了 D2D发现过 程。 进一步， 接入网为 UE1和 UE2分配收发数据的 D2D资源， 发送资源分配消息； 步骤 S714， UE1和 UE2在网络分配的 D2D资源上进行数据收发。 因为 UE1和 UE2都是处于 RRC连接态的终端， 都保持着与基站的同步， UE1和 UE2之间不需要 执行物理层的同步过程， 不需要发送前导码。 实施例 5 以图 8为例说明小区内两个终端的 D2D发现过程 2 (简化过程）。 如图 8所示， 该发现过程包括： 步骤 S802， 在一个火车站， 用户 A (UE1 ) 在等车过程中， 想找一个同往某个旅 游地的伙伴， 交流一些旅游信息。 于是用户 A操作 UE1向接入网发送了 D2D接入请 求消息； 该接入请求消息中包括： UE1的 D2D能力， 如物理层传输能力、 功率等级； 用户 A希望的 D2D通信方式， 如通过蜂窝系统资源进行 D2D通信、 通过其他非授权 资源进行 D2D通信等； D2D通信对象， 如旅游爱好者、 其他用户类别； 另外， 可选 的， 用户 A还可以配置该 D2D请求的有效时间， 如 10分钟内有效。 同时， 用户 B (UE2) 也在等待通往该旅游地的火车， 用户 B也有同样的需求， 于是用户 B也发送了一个 D2D接入请求给接入网， 接入请求消息的内容同用户 A。 步骤 S804， 接入网首先接收到 UE1发送的 D2D接入请求， 并保存在接入网设备 中； 可选的， 网络可以基于 UE1发送的 D2D接入请求的有效时间， 来控制该 D2D接 入请求的有效性， 如果该 D2D 接入请求在有效时间内没有配对成功， 则网络删除该 D2D接入请求。 随后， 接入网接收到了 UE2发送的 D2D接入请求； 接入网将 UE1和 UE2的接入请求进行配对判决， 发现两个用户是同一类 D2D通 信对象， 且请求的 D2D通信方式也一样， D2D能力也是匹配的， 接入网确定 UE1和 UE2配对成功。 步骤 S806， 接入网将 UE1/UE2的信息发送给核心网， 核心网进行鉴权过程， 核 对 UE1和 UE2的签约信息， 确认 UE1和 UE2是合法的签约用户并且满足进行 D2D 通信的要求。 步骤 S808， 接入网基于 UE1和 UE2的接入请求信息直接判断 UE1和 UE2配对 成功， 并为 UE1和 UE2分配收发数据的 D2D资源， 接入网分别给 UE1和 UE2发送 D2D接入指示， 其中可包含配对终端的相关信息， 如 D2D建立方式， 终端的标识， 以及资源分配等信息。 如果某个 D2D应用的目的仅为相互发现， 比如了解一下周围是否有同伴， 则接入 网不需要为用户分配收发数据的 D2D资源。接入网分别给 UE1和 UE2发送 D2D接入 指示， 其中可包含配对终端的相关信息， 如终端的标识等信息。 至此 D2D发现过程结 束。 步骤 S810， UEl和 UE2在网络分配的 D2D资源上进行数据收发。 因为 UE1和 UE2都是处于 RRC连接态的终端， 都保持着与基站的同步， UE1 和 UE2之间不需要执行物理层的同步过程， 不需要发送前导码。 实施例 6 以图 9为例说明非小区内两个终端的 D2D发现过程终端不在同一个小区）。 如图 9所示， 该发现过程包括： 非小区内用户间的发现过程与实施例 5和 6类似， 具体步骤不在赘述， 差异在于 UE1位于小区 1， UE2位于小区 2， UE1将 D2D接入请求发送给小区 1， UE2将 D2D 接入请求发送给小区 2， 小区 1与小区 2直接进行交换， 并完成配对过程， 如何分别 于核心网进行鉴权过程。成功后， 小区 1反馈 D2D接入指示给 UE1， 小区 2反馈 D2D 接入指示给 UE2， UEl和 UE2分别在小区 1和小区 2中进行响应。 由于位于不同小区的终端进行基于蜂窝网的 D2D通信过程相当复杂，在本实施例 中， 步骤 S912和 S914为可选的方式。 如果 UE1和 UE2仅需要实现 D2D发现过程， 则执行到步骤 S910即可。 在另外一个实施例中， 还提供了一种软件， 该软件用于执行上述实施例及优选实 施方式中描述的技术方案。 在另外一个实施例中， 还提供了一种存储介质， 该存储介质中存储有上述软件， 该存储介质包括但不限于： 光盘、 软盘、 硬盘、 可擦写存储器等。 显然， 本领域的技术人员应该明白， 上述的本发明的各模块或各步骤可以用通用 的计算装置来实现， 它们可以集中在单个的计算装置上， 或者分布在多个计算装置所 组成的网络上， 可选地， 它们可以用计算装置可执行的程序代码来实现， 从而， 可以 将它们存储在存储装置中由计算装置来执行， 并且在某些情况下， 可以以不同于此处 的顺序执行所示出或描述的步骤， 或者将它们分别制作成各个集成电路模块， 或者将 它们中的多个模块或步骤制作成单个集成电路模块来实现。 这样， 本发明不限制于任 何特定的硬件和软件结合。 以上仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本领域的技术人 员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内， 所作的任何 修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。 工业实用性 本发明提供的上述技术方案， 可以应用于 D2D的通信处理过程中。采用在网络侧 对需要进行 D2D通信的终端进行匹配，在匹配成功时可以进行 D2D通信的技术手段， 解决了相关技术中， 尚无实现终端发现其它进行 D2D终端的发现过程的技术问题， 从 而在网络的辅助下完成终端发现过程和 D2D通信； 同时， 基于与网络的同步保持， 不 需要在两个终端之间执行同步过程， 并且， 实现简单， 减少了同步过程和终端间的信 令交互。

Claims

权 利 要 求 书
1. 一种 D2D的通信处理方法， 应用于网络侧， 包括：
接收需要进行设备对设备 D2D通信的各个终端发送过来的 D2D接入请求; 根据所述接入请求对各个所述终端进行匹配；
在匹配成功的情况下， 将匹配结果发送给匹配成功的终端， 其中， 所述匹 配结果用于指示所述匹配成功的终端可以进行 D2D通信。
2. 根据权利要求 1所述的方法， 其中， 根据所述接入请求对各个所述终端进行匹 配时， 还包括：
对所述各个终端是否能够进行 D2D通信进行鉴权， 其中， 在鉴权通过后， 再进行匹配判断。
3. 根据权利要求 1所述的方法， 其中， 将匹配结果发送给匹配成功的终端之后， 还包括：
为所述匹配成功的终端分配进行 D2D通信所需要的资源。
4. 根据权利要求 3所述的方法，其中， 为所述匹配成功的终端分配进行 D2D通信 所需要的资源， 包括：
接收所述匹配成功的终端发送的响应消息， 其中， 所述响应消息用于指示 所述终端是否进行 D2D通信；
在所述响应消息指示需要进行 D2D通信时，为所述匹配成功的终端分配进 行 D2D通信所需要的资源。
5. 根据权利要求 1至 4任一项所述的方法，其中，所述 D2D接入请求中携带有以 下至少之一信息-
D2D通信方式、 D2D通信对象要求、 终端的 D2D能力、 所述接入请求的 有效时间。
6. 一种 D2D的通信方法， 包括：
需要进行设备对设备 D2D通信的终端向网络侧发送 D2D接入请求； 在网络侧根据所述接入请求对所述终端进行匹配成功后， 所述终端接收网 络侧发送的匹配结果， 其中， 所述匹配结果用于指示所述匹配成功的终端可以 进行 D2D通信。
7. 根据权利要求 6所述的方法，其中，所述终端接收网络侧发送的匹配结果之后， 包括：
所述终端向所述网络侧发送响应消息， 其中， 所述响应消息用于指示所述 终端是否进行 D2D通信。
8. 根据权利要求 7所述的方法， 其中， 还包括：
在所述响应消息指示需要进行 D2D通信时，所述终端利用所述网络侧分配 的进行 D2D通信所需要的资源进行 D2D通信。
9. 根据权利要求 6至 8任一项所述的方法，其中，所述 D2D接入请求携带有以下 至少之一信息-
D2D通信方式、 D2D通信对象要求、 终端的 D2D能力、 所述接入请求的 有效时间。
10. 一种 D2D的通信处理装置， 应用于网络侧， 包括：
接收模块，设置为接收需要进行设备对设备 D2D通信的各个终端发送过来 的 D2D接入请求；
匹配模块， 设置为根据所述接入请求对各个所述终端进行匹配； 发送模块， 设置为在匹配成功的情况下， 将匹配结果发送给匹配成功的终 端， 其中， 所述匹配结果用于指示匹配成功的终端可以进行 D2D通信。
11. 根据权利要求 10所述的装置， 其中， 所述接收模块， 设置为向接收携带有以下 至少之一信息的 D2D接入请求：
D2D通信方式、 D2D通信对象要求、 终端的 D2D能力、 所述接入请求的 有效时间。
12. 根据权利要求 10所述的装置， 其中， 还包括：
鉴权模块，设置为对所述各个终端是否能够进行 D2D通信进行鉴权，其中， 在鉴权通过后， 再进行匹配判断。
13. 一种 D2D的通信装置， 位于需要进行设备对设备 D2D通信的终端中， 包括： 发送模块， 设置为向网络侧发送 D2D接入请求； 接收模块，设置为在网络侧根据所述接入请求对所述终端进行匹配成功后， 所述终端接收网络侧发送的匹配结果。
14. 根据权利要求 13所述的装置， 其中， 所述发送模块， 设置为向所述网络侧发送 携带有以下至少之一信息的 D2D接入请求：
D2D通信方式、 D2D通信对象要求、 终端的 D2D能力、 所述接入请求的 有效时间。
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