CN103945563A - No-target user detection method in Device to Device communication - Google Patents

No-target user detection method in Device to Device communication Download PDF

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Publication number
CN103945563A
CN103945563A CN201410145813.XA CN201410145813A CN103945563A CN 103945563 A CN103945563 A CN 103945563A CN 201410145813 A CN201410145813 A CN 201410145813A CN 103945563 A CN103945563 A CN 103945563A
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user
message
buddy
source
target
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CN201410145813.XA
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Chinese (zh)
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周一青
孙茜
田霖
刘航
石晶林
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中国科学院计算技术研究所
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Priority to CN201410145813.XA priority Critical patent/CN103945563A/en
Publication of CN103945563A publication Critical patent/CN103945563A/en

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Abstract

The invention provides a no-target user detection method in Device to Device communication. The method includes the steps that a source user broadcasts equipment discovery initiation information including the ID of the source user; whether equipment discovery confirmation information is sent from a target user to the source user is determined according to the mode of the target user used for receiving the equipment discovery initiation information. By means of the method, the users can switch between a limited mode and an open mode according to wishes. Besides, the method increases a user set detected in D2D communication, and improves the experience effect of D2D communication.

Description

—种Device to Device通信中的无目标用户检测方法 - non-target species user Detection Device to Device Communication

技术领域 FIELD

[0001] 本发明涉及无线通信技术领域,尤其涉及一种D2D (Device to Devi ce)通信中的无目标用户检测方法。 [0001] The present invention relates to wireless communication technologies, and in particular, to a D2D (Device to Devi ce) No detection target user communication.

背景技术 Background technique

[0002] 随着D2D通信日益受到关注,设备发现与用户配对已经成为D2D通信的研究热点。 [0002] With the growing concern D2D communication, device discovery and pairing users has become a hot D2D communication. 其中,D2D设备发现可分为以下五种模式:1、受限的D2D设备发现模式,即只有建立好友关系的用户才允许相互发现;2、开放的D2D设备发现模式,即开启D2D通信服务的授权用户只要满足通信可行性探测条件均可以被其他用户发现;3、不同陆上公用移动通信网(PLMNs, Public Land Mobile Networks)授权用户间的发现模式;4、漫游授权用户的D2D设备发现模式;5、网络D2D设备发现模式。 Which, D2D device discovery can be divided into the following five modes: 1, limited D2D device discovery mode that only users are allowed to establish friendships find each other; 2, open the D2D device discovery mode, that is, open D2D communication services authorized user as long as other conditions are the communication feasibility of detecting user can be found; 3, between different public Land mobile communications network (PLMNs, public Land mobile networks) unauthorized user discovers patterns; 4, authorized roaming user equipment discovery mode D2D ; 5, D2D network device discovery mode. 目前,除模式I与模式2不能并存外(即用户不能在受限模式和开放模式之间转换),其他模式均可以在一个实例中同时成立。 Currently, in addition to Mode I Mode 2 can not coexist with the outer (i.e., the user can not switch between the open mode and a restricted mode), other modes can be established simultaneously in one example.

[0003] 在现有LTE (Long Term Evolution)系统中引入D2D通信服务时,应尽量减小对现有LTE网络的改动和影响。 When [0003] the introduction of D2D communication service in the conventional LTE (Long Term Evolution) system, and changes should minimize impact on existing LTE network. 当前,D2D设备发现和用户配对方法主要包括三个步骤:1、用户检测;2、身份识别;3、身份认证。 Current, the D2D user device discovery and pairing method includes three steps: 1, a user detection; 2, identification; 3, authentication. 其中,用户检测包括:网络或者源用户感知其他D2D用户(B卩D2D通信用户),以及在感知到的用户中选择D2D通信对并取得同步。 Wherein the user detection comprising: the source network or the user perceives D2D other users (B Jie D2D communication user), and the selection of the D2D communication and user perceived synchronization. 由于D2D用户间以同步的方式完成设备发现已成为共识,因此本文中的用户检测不再包含同步过程,则用户检测即确定发起D2D通信的用户(即源用户)附近的D2D用户集合(又称感知用户集合),在后续步骤中按照一定的规则在感知用户集合中选取合适的用户与源用户进行D2D通信。 Since the D2D among users in a synchronized manner to complete the device discovery has become the consensus, so that the user is no longer detected in this article contains a synchronization process, i.e., the user detection initiating user determines D2D D2D communications set close to the user (i.e., source user) (also known as sensing a set of user), according to certain rules to select the appropriate user and source user D2D communications perceived by the user in the set in a subsequent step. 根据网络是否参与,现有的用户检测方法主要包括两种:一种是网络覆盖下网络辅助参与的用户检测(或者称网络控制的用户检测);另一种是用户自主控制的用户检测。 According to whether the network participation, the conventional user detection method mainly comprises two: one is a network coverage with network assistance participating user detection (or detection of a user, said network controlled); the other is a user-user detection autonomous control.

[0004] 如上文所述,现有的D2D通信中的用户检测技术没有考虑用户检测过程中受限模式与开放模式的用户是否可以相互探测(受限模式与开放模式不能并存),因此在进行无目标用户检测时,能够检测到的用户较少;此外,现有技术也没有具体设计受限模式下好友关系的建立和维护的方式。 [0004] As described above, in the conventional D2D communication does not consider the user-user detection process detects the user restricted mode and open mode can detect whether another (restricted mode can not coexist with the open mode), thus making when no detection target user, the user can detect less; in addition, the prior art there is no way to build and maintain under specific design buddy relationship restricted mode.

发明内容 SUMMARY

[0005] 针对上述问题,本发明提供一种D2D通信中的无目标用户检测方法,包括: [0005] In view of the above problems, the present invention provides a method of detecting non-target user D2D communication, comprising:

[0006] 步骤I)、由源用户广播包括自身ID的设备发现发起消息; [0006] Step I), broadcast by the source user equipment, including self discovery initiation message ID;

[0007] 步骤2)、根据接收该设备发现发起消息的目标用户的模式,确定是否从该目标用户向源用户发送设备发现确认消息。 [0007] Step 2) The user receives the target device discovery mode initiation message, determines whether to transmit the device discovery message to the source user acknowledgment from the target user.

[0008] 在一个实施例中,步骤2 )包括: [0008] In one embodiment, step 2) comprises:

[0009] 如果接收设备发现发起消息的目标用户是开放模式用户,则该目标用户向源用户发送设备发现确认消息。 [0009] If the target user receiving device discovery open mode initiation message is a user, the target user transmits discovery confirm message to the source user.

[0010] 在一个实施例中,步骤2 )还包括: [0010] In one embodiment, step 2) further comprises:

[0011] 如果接收设备发现发起消息的目标用户是受限模式用户并且是源用户的好友用户,则该目标用户向源用户发送设备发现确认消息。 [0011] If the target user received discovery message is initiated by the user and the restricted mode that is the source of the user's buddy user, the target user transmits discovery confirm message to the source user.

[0012] 在另一个实施例中,步骤2)还包括: Example, Step 2) [0012] In another further comprising:

[0013] 如果接收设备发现发起消息的目标用户是受限模式用户并且是源用户的好友用户,则检测该目标用户与源用户之间的距离,当距离小于预定阈值时,该目标用户向源用户发送设备发现确认消息。 [0013] If the target user received discovery message is initiated by the user and the restricted mode that is the source of the user's friends users, the distance between the target user and source user detection, when the distance is less than a predetermined threshold value, the target user of the source discovery confirm message sent by a user equipment.

[0014] 在一个实施例中,步骤I)之前还包括: [0014] In one embodiment, prior to step I) further comprises:

[0015] 源用户请求网络分配用于发送设备发现发起消息的资源,或者根据预留的资源信息选取用于发送设备发现发起消息的资源。 [0015] source network allocates resources for transmitting user requests initiation message for device discovery, or the reserved resource information selected in accordance with the resource discovery transmission initiation message for the device.

[0016] 在一个实施例中,在目标用户向源用户发送设备发现确认消息之前,所述方法还包括:目标用户请求网络分配用于发送设备发现确认消息的资源,或者根据预留的资源信息选取用于发送设备发现确认消息的资源。 [0016] In one embodiment, prior to transmitting the device discovery acknowledgment message, said method further comprising a source user to a destination user: the target user requesting network device discovery resources allocated for transmitting the acknowledgment message, or according to the resource information reserved select device discovery resource for transmitting acknowledgment messages.

[0017] 在一个实施例中,步骤2)还包括:对于作为受限模式用户的目标用户,查询该目标用户的好友列表,以确定该目标用户是否是源用户的好友用户。 [0017] In one embodiment, step 2) further comprises: a user mode for a limited target user, the query of the target user's buddy list to determine whether the target user is the source of the user's friends users.

[0018] 在一个实施例中,用户的好友列表存储当前活跃度最高且不超过K个的该用户的好友用户的信息;其中,K为正整数,且活跃度指示该用户与该好友用户的联系频繁程度。 [0018] In one embodiment, the user's buddy list storing buddy information of the user's current activity and not more than the maximum number K of the user; wherein, K is a positive integer, and indicates that the activity of the user and the user's buddy Contact how often.

[0019] 在另一个实施例中,用户的好友列表存储当前活跃度高于预定阈值的该用户的好友用户的信息;其中,活跃度指示该用户与该好友用户的联系频繁程度。 Wherein the user activity indicates that the frequency of contact with the user's buddy; [0019] embodiment, the user's buddy list storage is higher than the currently active user buddy information of the user a predetermined threshold value in another embodiment.

[0020] 在另一个实施例中,用户的好友列表包括主列表和辅列表,所述主列表存储当前活跃度最高且不超过K个的该用户的好友用户的信息;所述辅列表存储该用户的其他好友用户的信息;其中,K为正整数,且活跃度指示该用户与该好友用户的联系频繁程度 Information embodiment, the user's buddy list comprises a list of the primary list and a secondary, the primary current active list storage of K and not more than the highest user of the user's friends [0020] In another embodiment; the secondary list to store the other friends of the user's user information; wherein, K is a positive integer, and user activity indicates that the frequency of contact with the user's friends

[0021] 在一个实施例中,通过下列步骤在用户的好友列表中添加其好友用户的信息: [0021] In one embodiment, the user's buddy add information in which the user's buddy list the following steps:

[0022] 步骤a)、用户向另一个用户发送好友添加请求; [0022] The steps a), the user sends a request to add a friend to another user;

[0023] 步骤b)、如果所述另一个用户同意该请求则返回指示其同意的消息; [0023] Step b), if the other user agrees to the request message is returned which indicates consent;

[0024] 步骤C)、在所述用户和所述另一个用户的好友列表中,分别添加所述另一个用户和所述用户的信息。 [0024] Step C), in the buddy list of the user and another user, the other information were added to the user and the user.

[0025] 在一个实施例中,用户的好友列表存储在本地或者存储在网络上。 [0025] In one embodiment, in the user's buddy list stored in local or network storage.

[0026] 采用本发明可以达到如下的有益效果: [0026] The present invention can achieve the following advantageous effects:

[0027] (I)、用户可以根据其是否愿意被检测到在受限模式和开放模式之间进行转换,体现了用户的意愿,增加了D2D通信中用户检测的灵活性。 [0027] (I), the user can detect whether it is willing to switch between the open mode and a restricted mode, it reflects the user's intention, an increase in the flexibility of the user detected D2D communication.

[0028] (2)、增大了D2D通信可以检测到的用户集,提高了D2D通信体验效果。 [0028] (2), increasing the D2D communication may detect a user set to improve the effect of D2D communication experience. 例如,作为源用户的广告商能够检测到更多的用户,以向其发送广告。 For example, an advertiser as the source of the user can be detected more users to send advertising.

附图说明 BRIEF DESCRIPTION

[0029] 图1是根据本发明一个实施例的D2D通信中的无目标用户检测方法的流程图; [0029] FIG. 1 is a flowchart of a method for detecting non-target user D2D communications to one embodiment of the present invention;

[0030] 图2是根据本发明一个实施例的网络控制的D2D通信中的无目标用户检测方法的示意图;以及 [0030] FIG. 2 is a schematic diagram of a method for detecting non-target user D2D communication network control according to one embodiment of the present invention; and

[0031] 图3是根据本发明一个实施例的用户自主控制的D2D通信中的无目标用户检测方法的示意图。 [0031] FIG. 3 is a schematic diagram of a method for detecting non-target user D2D communication user to an embodiment of the present invention, in the autonomous control. 具体实施方式 Detailed ways

[0032] 下面结合附图和具体实施方式对本发明加以说明。 [0032] The present invention is described below in conjunction with the accompanying drawings and specific embodiments. 应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are merely used to explain the present invention and are not intended to limit the present invention.

[0033] 根据本发明的一个实施例,提供一种Device to Device通信中的无目标用户检测方法。 [0033] According to one embodiment of the present invention, there is provided a non-target user to Device Detection Communication Device. 其中,无目标是指不关注某一或者某些确定的D2D用户,而关注源用户附近有哪些用户;用户检测是指网络或者源用户感知其他D2D通信用户,且在感知到的D2D用户集合中选择D2D通信对。 Wherein, without focus on a target means that no or some user determined D2D, and which users are nearby source user attention; refers to a network user detection or the source user perceives other users D2D communication, and in the perceived user set D2D select D2D communication pair. 因此,无目标用户检测也就是不针对某一或某些确定用户所进行的用户检测。 Therefore, no target user is not detected for some users to detect or determine a user performed. 本文中,源用户可以感知到满足预定条件(例如,与源用户之间的距离在一定范围之内的用户)的受限模式好友用户和开放模式用户。 Herein, the user may perceive the source satisfies a predetermined condition (e.g., distance between the source user and the user is within a certain range) is limited mode and open mode users buddy user. 此外,本文中的用户可以在受限模式和开放模式之间转换。 Further, herein, a user can switch between the open mode and a restricted mode.

[0034] 参考图1且概括而言,该D2D通信中的无目标用户检测方法包括:由源用户广播D2D通信设备发现发起消息(简称设备发现发起消息);以及,根据接收该消息的用户的模式判断是否从接收该消息的用户向源用户发送D2D通信设备发现确认消息(简称设备发现确认消息)。 [0034] In summary, and with reference to FIG. 1, no detection of the target user D2D communication comprising: a discovery broadcast by a source user initiation message D2D communication device (referred to as device discovery initiation message); and, according to the received message to the user D2D communication mode determines whether the transmitted discovery message acknowledgment (confirmation referred to device discovery message) from the user receiving the message to the source user. 其中,当接收消息的用户是开放模式用户时,其向源用户发送设备发现确认消息;当接收消息的用户是受限模式下源用户的好友用户,并且与源用户的距离小于一个预定阈值时,其向源用户发送设备发现确认消息;否则不发送设备发现确认消息。 Wherein, when a user receiving the message is an open mode users, it sends a device discovery to the source user to confirm the message; when a user receives a message that the friend user of the source user restricted mode, and distance from the source user is less than a predetermined threshold value , to the source user equipment transmits discovery confirm message; otherwise, device discovery does not send an acknowledgment message.

[0035] 在进一步的实施例中,根据网络的参与程度,可以将该D2D通信中的无目标用户检测方法分为网络控制的D2D通信中的无目标用户检测方法以及用户自主控制的D2D通信中的无目标用户检测方法两种。 [0035] In a further embodiment, depending on the degree of participation in the network may be the target user without detection D2D communication D2D communication network into D2D communication control in the non-user detection method, and a target user self-controlled Two methods of detecting non-target user. 下文根据两个实施例,分别对这两种方法进行描述: The following two embodiments respectively, these two methods will be described:

[0036] 一、网络控制的D2D通信中的无目标用户检测方法 [0036] a, D2D communication network control in the target non-user detection method

[0037] 参考图2,描述了网络控制的无目标用户检测方法的一个实施例,包括以下步骤: [0037] Referring to FIG 2, a non-user detection method for a target network according to one embodiment of the control, comprising the steps of:

[0038] 步骤1、源用户(UE A)向网络请求D2D通信设备发现资源;其中,源用户UE A可以是处于开放或者受限模式的用户,即可以是开放模式用户或者是受限模式用户。 [0038] Step 1, the source user (UE A) D2D communication request to the network device discovery resource; wherein the source UE A user may be in an open or restricted user mode, i.e., may be an open or restricted user mode, the user mode .

[0039] 步骤2、UE A侧网络为UE A分配资源,该资源用于UE A发送D2D通信设备发现发起消息。 [0039] Step 2, UE A is A-side network resources allocated UE, where the UE A resource for D2D communication device transmitting discovery initiation message.

[0040] 步骤3、UE A利用所分配的资源广播D2D通信设备发现发起消息,其中,该消息可以包括ProSe ID A,其指示UE A的D2D发现ID。 [0040] Step 3, the broadcast resources for D2D communication apparatus using the allocated UE A initiates a discovery message, wherein the message may include ProSe ID A, UE A indicating that the D2D discovery ID. 该消息还可以包括Modem,用于指示UE A当前的模式。 The message may further include a Modem, a UE A indicating the current mode.

[0041] 步骤4、根据接收该设备发现发起消息的D2D用户的模式,分别执行以下操作: [0041] Step 4. The D2D user mode initiation message to the receiving device discovery, the following operations are performed:

[0042] 4a、当接收D2D通信设备发现发起消息的D2D用户(UE B)为开放模式用户时,UEB向网络请求用于发送D2D通信设备发现确认消息的资源。 [0042] 4a, when receiving the D2D communication device discovery initiation message D2D user (UE B) is an open mode users, UEB resource request acknowledgment message to the network transmission device discovery for D2D communication.

[0043] 4b、当接收D2D通信设备发现发起消息的UE B为受限模式用户时,分为以下两种情况: [0043] 4b, D2D communication device when receiving a discovery message originating UE B to the restricted user mode, the following two cases:

[0044] 1、如果UE B是UE A的好友用户,则UE B向网络请求用于发送设备发现确认消息的资源,进行步骤5。 [0044] 1, if UE B are friends of the user UE A, UE B is transmitted to the network device discovery request resources for an acknowledgment message, step 5.

[0045] 在进一步的实施例中,如果UE B是UE A的好友用户,则UE B还要先向网络请求距离检测。 [0045] In a further embodiment, if the UE B are friends of the user UE A, UE B is also detected from the request with your network. 接着由网络检测UE A的好友用户UE B与UE A之间的距离,如果该距离小于阈值D,则UE B向网络请求用于发送设备发现确认消息的资源,进行步骤5 ;否则过程结束。 Then the distance between the UE A and B by a network friend of the user UE A detects the UE, if the distance is less than the threshold D, the UE B transmits to the network device discovery request resources for an acknowledgment message, step 5; otherwise, the process ends. 在这里设置阈值D是因为受限模式用户由于能耗、免扰等原因不希望被更多的用户发现。 Here D is the set threshold value because of the limited power consumption because a user mode, to avoid interference and other reasons to be more undesirable users find. [0046] 2、如果UE B是UE A的非好友用户,则过程结束。 [0046] 2, if UE B is a non-user UE A's friends, then the process ends.

[0047] 在一个实施例中,UE B可以查询在网络上存储的好友列表,判断UE B与UE A是否为好友关系;在另一个实施例中,UE B可以查询本地存储的好友列表,以确定与UE A是否为好友关系。 [0047] In one embodiment, UE B can query the buddy list stored on a network, determining whether the UE A and UE B as a friend relationship; In another embodiment, UE B can query the locally stored buddy list to determining whether the UE A friend relationship.

[0048] 步骤5、网络为UE B分配资源,用于由UE B发送D2D通信设备发现确认消息。 [0048] Step 5, the network resources allocated to UE B, UE B for transmitting the D2D communication device by a discovery confirm message.

[0049] 步骤6、UE B利用分配的资源通过网络向UE A发送D2D通信设备发现确认消息,该消息可包含ProSe ID A和ProSe ID B。 [0049] Step 6, UE B using the allocated resources sent over the network to the UE A D2D communication device discovery confirm message, the message may comprise ProSe ID A and ProSe ID B.

[0050] 至此,网络控制的D2D通信中的无目标用户检测过程完成。 [0050] Thus, D2D communication network control in the target user without detection process is completed.

[0051] 二、用户自主控制的D2D通信中的无目标用户检测方法 [0051] bis, D2D communication user autonomously controlled without the user detection method for a target

[0052] 参考图3,描述了用户自主控制的无目标用户检测方法的一个实施例,包括以下步骤: [0052] Referring to FIG 3, a method for detecting the target user without the user autonomously controlled to an embodiment, comprising the steps of:

[0053] 步骤1、UE A根据预下载程序(即预留的资源信息和资源选择方案),选取网络预留的资源。 [0053] Step 1, UE A in accordance with pre-downloaded program (i.e., resource information and resource reservation options), select the reserved network resource.

[0054] 步骤2、UE A利用所选取的资源广播D2D通信设备发现发起消息,该消息包括ProSe ID A0 [0054] Step 2, UE A using the selected broadcast resources for D2D communication device discovery initiation message, the message comprising ProSe ID A0

[0055] 步骤3、当接收到D2D通信设备发现发起消息的用户UE B是受限模式用户并且是UE A的好友用户时,继续步骤4 ; [0055] Step 3, when receiving the initiation message discovery D2D communication device UE B is restricted user mode, and the user is a friend of the user when the UE A, proceed to step 4;

[0056] 当接收到D2D通信设备发现发起消息的用户UE B是受限模式用户并且不是UE A的好友用户时,过程结束; [0056] When receiving the user-initiated D2D communication device discovery message is the restricted mode user UE B and the UE is not a friend of the user A, the process ends;

[0057] 当接收到D2D通信设备发现发起消息的用户UE B是开放模式用户时,继续步骤4。 [0057] Upon receiving the D2D communication device discovery message to a user-initiated mode users UE B is open, proceed to step 4.

[0058] 在进一步的实施例中,身为UE A好友用户的UE B还要先判断自己与UE A的距离是否小于阈值D,如果小于D,则继续步骤4 ;如果不小于D则过程结束。 [0058] In a further embodiment, a user's friend as UE A UE B should first determine whether the UE A and their distance is smaller than the threshold value D, is less than D, it proceeds to step 4; if not, the process ends less than D .

[0059] 在一个实施例中,UE B可在本地存储好友列表,用于UE B进行查询以确定UE A是否是其好友。 [0059] In one embodiment, UE B may be stored locally buddy list, UE B to UE A query to determine whether it is a friend.

[0060] 步骤4、UE B根据预下载程序,选取网络预留的资源; [0060] Step 4, UE B in accordance with a program pre-downloaded, selected network resources reserved;

[0061] 步骤5、UE B利用所选取的资源,向UE A发送D2D通信设备发现确认消息,该消息包含ProSe ID A 和ProSe ID B。 [0061] Step 5, UE B use the selected resource, D2D communication device transmits discovery confirm message to the UE A, the message contains ProSe ID A and ProSe ID B.

[0062] 至此,用户自主控制的D2D通信中的无目标用户检测过程完成。 [0062] Thus, D2D communication user in the autonomous control without target user detection process is completed.

[0063] 在上文给出的各个实施例中,无论是网络控制的还是用户自主控制的无目标用户检测方法,当接收D2D通信设备发现发起消息的D2D用户UE B当前为受限模式用户时,需要确定UE A与UE B是否是好友关系,以发现与其是好友关系的受限模式用户。 When [0063] In various embodiments given above, the method of detecting non-target user, whether the user is a network control or autonomous control, when a user receives D2D D2D communication device discovery initiation message to the UE B is currently restricted user mode , need to determine whether UE a and UE B are friend relationship, friend relationship is to find its restricted user mode. 根据本发明的一个实施例,以D2D用户A通过网络与D2D用户B建立好友关系为例,描述用于建立用户之间的好友关系的方法的步骤: According to one embodiment of the steps of the present invention, in order to establish a friendship D2D user A Case D2D through a network user B, Method friend relationship established between the user's description for:

[0064] 步骤1、用户A向用户B发送请求添加好友信息。 [0064] Step 1, a user A to user B sends a request message to add a friend.

[0065] 步骤2、用户B接收到该请求添加好友信息后,可以同意或者拒绝该请求。 [0065] Step 2, the user B after receiving the request to add buddy information, can agree or reject the request. 如果选择同意,则用户B可以返回一个指示其同意添加用户A为好友的消息,则用户A与用户B之间建立了好友关系。 If you agree to the user B may return an indication that the user agrees to add A as a friend of the message, the buddy relationship is established between the user A and the user B.

[0066] 进一步地,在B返回同意添加A为好友的消息后,可以分别在这两个用户A、B的好友列表中添加用户B、A的信息。 After [0066] Further, in the B-A as a friend has accepted to return the message can be set on the two users A, B in the buddy list to add user B, information A. 其中,用户的好友列表用于存储该用户当前的好友用户信肩、O Wherein, for storing the user's buddy list the buddy user's current user cell shoulder, O

[0067] 在一个实施例中,用户可以在任何时间通过网络来建立好友关系。 [0067] In one embodiment, a user may establish a friendship through the network at any time. 而在另一个实施例中,可以在源用户与目标用户配对成功(如上文所述的网络控制或者用户自主控制的用户检测以及配对)后,由源用户或者目标用户中的一方来请求在双方间建立D2D通信好友关系。 In yet another embodiment, pairing may be successfully (as described above or the user network control autonomous control and user detection pair) after the source user and the destination user, one of a source by the user or the target user to request both D2D communication between established friendship. 例如,由源用户向目标用户发送请求添加好友信息,如果目标用户返回同意消息,则源用户和目标用户建立了好友关系。 For example, a user sends a request by the source to the target users to add friends information, if the target user agreement message is returned, the source user and the target user to establish a relationship between friends.

[0068] 如上文所述,UE B可通过查询其好友列表来判断其与UE A是否是好友关系,而由于D2D通信的短距离特性以及用户的移动性,在进一步的实施例中,需要对每个用户的好友列表进行维护。 [0068] As described above, UE B may be determined with a list of UE A friend relationship by querying whether their friends, and due to the short distance and mobility characteristics of user D2D communication, and in a further embodiment, the need for each user's buddy list for maintenance. 以下基于用户本地存储或者非用户本地存储这两种存储方式,分别就好友列表的维护方法进行描述。 Based on the user's local storage or local storage of both non-user storage, maintenance methods are described on the buddy list.

[0069] 一、用户本地存储 [0069] First, the user local storage

[0070] 当D2D用户处于无网络覆盖状态时,可以采用这种方式来存储其好友列表。 [0070] When a D2D is no network coverage status of the user, it can be used in this way to store their buddy list. 如上文所述,用户本地存储方式适用于进行用户自主控制的无目标用户检测。 As described above, the user local storage suitable for detecting the target user without the user autonomous control. 用户的好友列表可以存储该用户的所有好友用户的信息,但由于用户与某些好友用户通信的频率可能会很低,因此,可以仅在用户的好友列表中存储与该用户通信频率较高的好友用户。 The user can store all buddy buddy list of the user information of the user, but the user and the frequency of some friends communicating with the user may be low, therefore, it can only be in the user's buddy list is stored in a high frequency communication with the user friends users.

[0071] 在一个实施例中,假设用户的好友列表仅保留当前活跃度最高的K个(也可能没有达到K个)好友用户的信息。 [0071] In one embodiment, the user's buddy list is assumed that only the reservation information currently active highest number K (K may not reach a) buddy user. 其中,活跃度可指示用户与其好友用户的联系频繁程度。 Which activity can indicate how frequently users and their friends to contact the user. 可以周期性地按照以下方式维护好友列表: Can periodically maintain a buddy list as follows:

[0072] 步骤1、确定当前好友列表中的好友用户数量; [0072] Step 1 determine the number of current users buddy in the buddy list;

[0073] 步骤2、当好友用户的数量小于K时,保留所有好友用户的信息;而当好友用户的数量大于阈值K后,删除当前活跃度最低的一个或多个用户,保证好友列表中的好友用户不超过K个。 [0073] Step 2, when the number of contacts of users is less than K, the information retained all friends of the user; and when the number of contacts of users is greater than the threshold value K, delete the current lowest of the one or more user activity, to ensure that the buddy list friends no more than the K users.

[0074] 由于根据好友用户的当前活跃度来维护好友列表,在进一步的实施例中,还需要实时更新好友用户的活跃度。 [0074] Due to maintain a buddy list based on the current activity of the user friends, in a further embodiment, also need real-time updates of user activity friends. 例如,可以在用户每次D2D通信后或者在一个固定时间后,更新该用户的好友用户当前的活跃度。 For example, the D2D communication after each or after a fixed time, to update the user's friends in the user's current user activity. 在一个实施例中,还可以将好友用户在好友列表中按活跃度顺序排列,以便于在好友列表中进行插入和删除操作。 In one embodiment, the user may also be a friend by activity in the buddy list order, to facilitate insertion and deletion operations in the buddy list.

[0075] 在另一个实施例中,假设用户的好友列表仅保留活跃度高于预设门限的好友用户的信息,则可以周期性地按照以下方式来维护用户的好友列表: [0075] In another embodiment, assuming the user's buddy list retains Friends only active users is higher than the preset threshold, the following manner may be periodically to maintain the user's buddy list:

[0076] 步骤1、比较好友列表中每个好友用户的当前活跃度与预设门限的大小; [0076] Step 1 Comparative friends list current activity with a preset threshold size of each buddy user;

[0077] 步骤2、删除当前活跃度小于该门限的好友用户信息。 [0077] Step 2, to delete the current activity is less than the threshold Friends of user information.

[0078] 在进一步的实施例中,除了删除活跃度低的好友用户,当一个用户取消与另一用户的好友关系时,也要在两者的好友列表中进行删除操作。 [0078], in addition to low activity buddy delete user, when a user cancels a buddy relationship with another user, delete operation also in the buddy list of the two in a further embodiment. 例如,如果用户A要取消与用户B的好友关系,则用户A可以在其好友列表中删除用户B的信息,并且通过网络或D2D通信通知用户B在其好友列表中删除用户A的信息。 For example, if you want to cancel the user A a friend relationship with the user B, user A may then delete the information of the user B in his buddy list, and notifies the user B through a network or D2D communication information of the user A is deleted in its buddy list.

[0079] 二、非用户本地存储 [0079] Second, the non-user local storage

[0080] 如上文所述,当进行网络控制的无目标用户检测时,可以采用非用户本地存储(或称网络存储)的方式来存储用户的好友列表(应理解,这种情况下也可以采用用户本地存储方式)。 [0080] As described above, when no target user detection network controlled, non-user local storage (or network storage) methods can be used to store the user's buddy list (to be understood in this case may also be employed the user's local storage). 例如,可以在网络中心或D2D通信连接服务器处存储每个D2D用户的好友列表。 For example, a list of the network-attached storage D2D communication center or server at each D2D user's friends. 此夕卜,如果用户从有网络覆盖的地区进入到无网络覆盖的地区时,也可以根据需要首先向网络申请下载其好友列表。 Bu this evening, if the user enters from the areas of network coverage to areas without network coverage, you can first apply to the network to download their buddy list as needed.

[0081] 由于网络资源要比本地资源丰富,除了可以采用一个列表来存储好友用户信息,在一个实施例中,好友列表可以包括主好友列表(简称主列表)和辅好友列表(简称辅列表)两个列表。 [0081] Due to network resources than a rich local resources, may be employed in addition to a buddy list to store user information, in one embodiment, the buddy list may include a main buddy list (referred to as master list) and a secondary buddy list (referred to as secondary list) two lists. 其中,在主列表中存储活跃度较高的好友用户,并且在此列表中将好友用户的数目上限设定为K;而辅列表中存储活跃度较低的好友用户。 Wherein, in the master list stored in the higher activity of the buddy user, and in the user buddy list upper limit number is set to K; and the secondary list is stored in the low activity of the buddy user. 多个用户可以使用同一账户来查询非用户本地存储的好友列表。 Multiple users can use the same account to query non-user buddy list stored locally. 在一个实施例中,当用户建立了新的好友关系后,可根据以下方式来维护D2D用户的主辅列表: In one embodiment, when the user created a new friend relationship, the primary and secondary lists may be maintained in the following way D2D user:

[0082] 步骤1、确定该用户的主列表中的好友用户数目; [0082] Step 1, the number of users is determined master list of friends in the user;

[0083] 步骤2、如果主列表中的好友用户数目达到上限K,则先把当前主列表中活跃度最低的用户添加到辅列表中,并在辅列表中删除活跃度最低的用户,再将新的好友用户添加到主列表; [0083] Step 2, if the number of friends a user in the master list reaches the upper limit K, the first current master list of the lowest user activity added to the secondary list and delete the lowest user activity in the secondary list, and then the new user is added to the master list of friends;

[0084] 如果主列表中的好友用户数目没有达到上限K,则将新好友用户直接添加到主列表。 [0084] If the buddy list of the user's home number has not reached the upper limit of K, then the new user is added directly to the main buddy list.

[0085] 在一个实施例中,当主列表中的用户少于K个时,可以在相应的辅列表中选择最活跃的用户加入主列表,直到主列表中的用户达到K个或者直到辅列表中没有用户为止。 [0085] In one embodiment, when the master list of users is less than the K, can select the most active users in the respective secondary list added to the main list, until the master list of users reached the K or until a secondary list until there is no user.

[0086] 要维护包括主辅列表的好友列表,同样需要周期性地更新用户的活跃度。 [0086] To maintain the buddy list comprises a list of the main and auxiliary, also need to periodically update the user's activity.

[0087] 如上文所述,当采用非用户本地存储方式来存储好友列表时,如果好友关系中的一方用户要取消与另一方的好友关系,则需要向网络(网络中心或者D2D通信连接服务器)发送取消好友关系消息,网络中心或者D2D通信连接服务器删除双方好友列表中的相应信息。 [0087] As described above, when a non-local storage to store the user buddy list, if one user to cancel the buddy relationship in the relationship with the other buddy, the network is required (D2D communication center or network connection to the server) send cancel friendship message, the network center or D2D communication connection server delete the information the two sides buddy list. 例如,用户A取消与用户B的好友关系,用户A需要向网络发送包括B的信息的取消好友关系信息,则网络中心或相关服务器删除用户A的好友列表中的用户B的信息以及用户B的好友列表中的用户A的信息。 User B for example, user A cancel friend relationship with the user B, user A needs to send to the network including the elimination of buddy relationship information of B, the network center or the relevant server to delete the user A's buddy list information and the user B information of user a buddy list.

[0088] 应理解,包括主辅列表的好友列表也可以存储在本地;而仅由一个列表构成的好友列表也可以存储在网络中心或D2D通信连接服务器处。 [0088] It should be understood, the buddy list including primary and secondary lists may also be stored locally; only friend list consisting of a list may be stored in a central network or server D2D communication connection.

[0089] 应该注意到并理解,在不脱离后附的权利要求所要求的本发明的精神和范围的情况下,能够对上述详细描述的本发明做出各种修改和改进。 [0089] It should be noted and understood that, without departing from the spirit and scope of the invention appended claims of claims, can make various changes and modifications of the invention described in detail above. 因此,要求保护的技术方案的范围不受所给出的任何特定示范教导的限制。 Thus, any of the specific exemplary teachings limit the scope of the claimed technical solution is not given.

Claims (12)

1.一种Device to Device通信中的无目标用户检测方法,包括: 步骤1)、由源用户广播包括自身ID的设备发现发起消息; 步骤2)、根据接收该设备发现发起消息的目标用户的模式,确定是否从该目标用户向源用户发送设备发现确认消息。 Device A to Device Detection no target user communication, comprising: step 1), comprising broadcasting by a source user equipment finds itself ID initiation message; Step 2) The apparatus receives the discovery message of the target user initiates mode, determining whether to transmit discovery confirm message from the target user to the source user.
2.根据权利要求1所述的方法,其中,步骤2)包括: 如果接收设备发现发起消息的目标用户是开放模式用户,则该目标用户向源用户发送设备发现确认消息。 2. The method according to claim 1, wherein step 2) comprises: a target user if the receiving device discovery open mode initiation message is a user, the target user transmits discovery confirm message to the source user.
3.根据权利要求2所述的方法,其中,步骤2)还包括: 如果接收设备发现发起消息的目标用户是受限模式用户并且是源用户的好友用户,则该目标用户向源用户发送设备发现确认消息。 3. The method according to claim 2, wherein step 2) further comprises: a target user equipment if the received discovery message is initiated by the user and the restricted mode that is the source of the user's buddy user, the target user equipment, source user I found confirmation message.
4.根据权利要求2所述的方法,其中,步骤2)还包括: 如果接收设备发现发起消息的目标用户是受限模式用户并且是源用户的好友用户,则检测该目标用户与源用户之间的距离,当距离小于预定阈值时,该目标用户向源用户发送设备发现确认消息。 4. The method according to claim 2, wherein step 2) further comprising: finding the target user if the receiving device is restricted mode initiation message is the source user and the user's friends users, it is detected that the source and destination user of a user distance when the distance is less than a predetermined threshold value, the target user transmits discovery confirm message to the source user.
5.根据权利要求1-4中任何一个所述的方法,其中,步骤I)之前还包括: 源用户请求网络分配用于发送设备发现发起消息的资源,或者根据预留的资源信息选取用于发送设备发现发起消息的资源。 5. The method according to any of claims 1-4, wherein prior to step I) further comprises: a source user requesting network device discovery transmission resource assignment message for initiating or selected in accordance with the resource information reserved for send a message to initiate device discovery resource.
6.根据权利要求2-4中任何一个所述的方法,在目标用户向源用户发送设备发现确认消息之前,还包括: 目标用户请求网络分配用于发送设备发现确认消息的资源,或者根据预留的资源信息选取用于发送设备发现确认消息的资源。 6. The method according to any of claims 2-4, before transmitting the acknowledgment message to the source device found in the user target user, further comprising: a target user requests the network to allocate resources for transmitting an acknowledgment message for device discovery, or according to the pre select the resource remaining resource information transmitting device discovery message for acknowledgment.
7.根据权利要求3或4所述的方法,其中,步骤2)还包括: 对于作为受限模式用户的目标用户,查询该目标用户的好友列表,以确定该目标用户是否是源用户的好友用户。 7. A method according to claim 3 or claim 4, wherein step 2) further comprises: a user mode for a limited target user, the query of the target user's buddy list to determine whether the target user is the source of the user's buddy user.
8.根据权利要求7所述的方法,其中,用户的好友列表存储当前活跃度最高且不超过K个的该用户的好友用户的信息;其中,K为正整数,且活跃度指示该用户与该好友用户的联系频繁程度。 8. The method according to claim 7, wherein the user's buddy list to store the current activity and not more than the maximum number K of users buddy information of the user; wherein K is a positive integer, and indicates that the user activity Contact the frequency of the user's friends.
9.根据权利要求7所述的方法,其中,用户的好友列表存储当前活跃度高于预定阈值的该用户的好友用户的信息;其中,活跃度指示该用户与该好友用户的联系频繁程度。 9. The method according to claim 7, wherein the user's buddy list storage is higher than the currently active user buddy information of the user a predetermined threshold value; wherein the user activity indicates that the frequency of contact with the user's buddy.
10.根据权利要求7所述的方法,其中,用户的好友列表包括主列表和辅列表,所述主列表存储当前活跃度最高且不超过K个的该用户的好友用户的信息;所述辅列表存储该用户的其他好友用户的信息;其中,K为正整数,且活跃度指示该用户与该好友用户的联系频繁程度。 10. The method according to claim 7, wherein the user's buddy list comprises a master list and a secondary list, a list of the main storage does not exceed the highest currently active user buddy information of the user of the K; the secondary a list of user information stored other friends of the user; wherein, K is a positive integer, and user activity indicates that the frequency of contact with the user's friends.
11.根据权利要求8-10中任何一个所述的方法,其中,通过下列步骤在用户的好友列表中添加其好友用户的信息: 步骤a)、用户向另一个用户发送好友添加请求; 步骤b)、如果所述另一个用户同意该请求则返回指示其同意的消息; 步骤C)、在所述用户和所述另一个用户的好友列表中,分别添加所述另一个用户和所述用户的信息。 11. The method according to any of claims 8-10, wherein, by adding the following steps in which the user's buddy list the buddy information of the user: steps a), the user sending a friend request to another user; Step b ), if the other user agrees to the request message is returned which indicates consent; step C), in the buddy list of the user and the other user, respectively, adding the other user and the user information.
12.根据权利要求8-10中任何一个所述的方法,其中,用户的好友列表存储在本地或者存储在网络上。 12. The method according to any of claims 8-10, wherein, in the local network or stored on a user's buddy list is stored.
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