CN104113936B

CN104113936B - A kind of discovery method and device of specified user equipment

Info

Publication number: CN104113936B
Application number: CN201310138696.XA
Authority: CN
Inventors: 刘佳敏
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2013-04-19
Filing date: 2013-04-19
Publication date: 2017-12-19
Anticipated expiration: 2033-04-19
Also published as: CN104113936A

Abstract

The invention discloses a kind of discovery method and device of specified user equipment, it is related to the communication technology, by network side when it is determined that needing to be found between at least two specified user equipment (UE)s, notify the resource information shared by its transmission signal of the discovery side UE and side of being found UE, sent and received so that carrying out signal by the resource information shared by the transmission signal between the side of discovery UE and the side of being found UE, and the decoded result feedback signal reception quality information after being received according to signal, network side can determine to find result according to the signal receiving quality information, realize the discovery for specifying user equipment.

Description

A kind of discovery method and device of specified user equipment

Technical field

The present invention relates to the communication technology, more particularly to a kind of discovery method and device of specified user equipment.

Background technology

In GSM future development, in order to better meet user's request, the efficiency of interactive information is lifted, is introduced Mutual discovery between mobile device, and then the mechanism of direct communication.

In LTE（Long Term Evolution, Long Term Evolution）In system, what is taken is the central controlled mode of network, That is the up-downgoing data of UE are all transmitted and received under the control of a network.UE（User Equipment, user equipment）With Communication between UE, equally forwarded by network and controlled, direct communication link, UE are not present between UE and UE Do not allow voluntarily to send upstream data, as shown in Figure 1.

D2D（Device to Device）Communication

As shown in Fig. 2 allow progress is certain directly to lead in D2D communication patterns, between user equipment and user equipment Letter, these direct communication links can be set up in the case where network controls or aids in, user equipment and user equipment it Between carry out D2D communications basis be that close user equipment is found.

Demand on UE close to communication

In in general scene, two UE communicated can be approached due to mutual, will pass through network transmission originally Communication link be converted into local direct communication link, save substantial amounts of bandwidth and network efficiency.Or due to two UE It is close to each other, and generate the demand of communication, in the case of this close distance, can be led between UE using direct link Letter stablizes the cheap communication service of high speed to obtain.

In public safety field, such as public security, fire-fighting, the scene such as rescue, need between special specified user equipment into Row is found each other and communication process.

But only have the public discovery of user equipment at present and be found process, the target that user equipment is found for it Or for which user equipment it can be found that oneself be it is not anticipated that, i.e. at present for specify user equipment between how Find mutually, without solution.

The content of the invention

The embodiment of the present invention provides a kind of discovery method and device of specified user equipment, to realize for specifying user to set Standby discovery.

A kind of discovery method of specified user equipment, including：

Base station determine to need at least two specify found between user equipment (UE)s when, it is determined that the side of discovery UE and being sent out Now square UE；

Base station notifies the resource information shared by its transmission signal of the discovery side UE and side of being found UE；

Base station receives the discovery side UE and/or side of being found UE and receives and decode other side UE passes through predetermined resource in predetermined instant After the signal sent with mode, according to the signal receiving quality information of the decoded result of signal feedback；

Base station determines that described at least two specify the discovery result between UE according to the signal receiving quality information.

A kind of discovery method of specified user equipment, including：

Determine to need to be found that when sends between at least two specified user equipment (UE)s it was found that square UE receives base station It was found that the resource information shared by signal；

Believe it was found that square UE is received and decoded the side of being found UE in the discovery that predetermined instant is sent by predetermined resource and mode Number；

It was found that square UE has found signal receiving quality information according to the decoded result for finding signal to base station feedback, by base station root Determine that described at least two specify the discovery result between UE according to the discovery signal receiving quality information.

A kind of discovery method of specified user equipment, including：

Determine to need to be found that when sends between at least two specified user equipment (UE)s it was found that square UE receives base station It was found that signal and the resource information shared by response signal；

It was found that square UE is determined after the discovery signal is successfully decoded, sound is sent by predetermined resource and mode in predetermined instant Induction signal, after being received by the side of being found UE and decoded the response signal, to base station feedback response signal reception quality information, by base Stand and determine that described at least two specify the discovery result between UE according to the response signal reception quality information.

A kind of discovery method of specified user equipment, including：

When the side of being found UE receptions base station determines to need to be found between at least two specified user equipment (UE)s, send Find signal shared by resource information；

The side of being found UE sends discovery signal in predetermined instant by predetermined resource and mode, is received and is solved by discovery side UE The code discovery signal simultaneously will find signal receiving quality information according to the decoded result for finding signal to base station feedback, by base station root Determine that described at least two specify the discovery result between UE according to the discovery signal receiving quality information.

A kind of discovery method of specified user equipment, including：

The side of being found UE sends discovery signal in predetermined instant by predetermined resource and mode；

After the side of being found UE is received and decoded discovery side UE decoding discovery signal successes, pass through predetermined resource in predetermined instant The response signal sent with mode；

The side of being found UE according to the decoded result of response signal to base station feedback response signal reception quality information, by base station Determine that described at least two specify the discovery result between UE according to the response signal reception quality information.

A kind of discovery device of specified user equipment, including：

Determining unit, when needing to be found between at least two specified user equipment (UE)s for determination, it is determined that finding The square UE and side of being found UE；

Notification unit, for notifying the resource information shared by its transmission signal of the discovery side UE and side of being found UE；

Receiving unit, lead to for receiving the discovery side UE and/or side of being found UE and receiving and decode other side UE in predetermined instant Cross predetermined resource and signal that mode is sent after, the signal receiving quality information fed back according to the decoded result of signal；

It was found that result determining unit, for according to the signal receiving quality information determine described at least two specify UE it Between discovery result.

A kind of discovery device of specified user equipment, including：

Information receiving unit, determine to need to be found between at least two specified user equipment (UE)s for receiving base station When send find signal shared by resource information；

Decoding unit, the hair sent for receiving and decoding the side of being found UE in predetermined instant by predetermined resource and mode Existing signal；

Feedback unit, for finding signal receiving quality information to base station feedback according to the decoded result for finding signal, by Base station determines that described at least two specify the discovery result between UE according to the discovery signal receiving quality information.

A kind of discovery device of specified user equipment, including：

Occupied information receiving unit, determine to need to carry out between at least two specified user equipment (UE)s for receiving base station It was found that when send find signal and the resource information shared by response signal；

It was found that signal decoding unit, passes through predetermined resource and mode for receiving and decoding the side of being found UE in predetermined instant The discovery signal of transmission；

Response signal transmitting element, for determining after the discovery signal is successfully decoded, pass through predetermined money in predetermined instant Source and mode send response signal, after being received by the side of being found UE and decoded the response signal, are connect to base station feedback response signal Quality information is received, determines that described at least two specify the discovery between UE according to the response signal reception quality information by base station As a result.

A kind of discovery device of specified user equipment, including：

Asset information receipt unit, determine to need to carry out between at least two specified user equipment (UE)s for receiving base station It was found that when, the resource information found shared by signal of transmission；

It was found that signal transmitting unit, for sending discovery signal by predetermined resource and mode in predetermined instant, by finding Square UE is received and is decoded the discovery signal and will find signal receiving quality to base station feedback according to the decoded result for finding signal Information, determine that described at least two specify the discovery result between UE according to the discovery signal receiving quality information by base station.

A kind of discovery device of specified user equipment, including：

Resource occupation information receiving unit, determine to need between at least two specified user equipment (UE)s for receiving base station It was found that when, the resource information found shared by signal of transmission；

Signal transmitting unit, for sending discovery signal by predetermined resource and mode in predetermined instant；

Response signal decoding unit, after receiving and decoding discovery side UE decoding discovery signal successes, in predetermined instant The response signal sent by predetermined resource and mode；

Response signal reception quality information feedback unit, responded for the decoded result according to response signal to base station feedback Signal receiving quality information, by base station according to the response signal reception quality information determine described at least two specify UE between Discovery result.

The embodiment of the present invention provides a kind of discovery method and device of specified user equipment, by network side it is determined that needing When being found between at least two specified user equipment (UE)s, the notice discovery side UE and side of being found UE it sends shared by signal Resource information so that signal is carried out by resource information shared by the transmission signal between the side of discovery UE and the side of being found UE Send and receive, and the decoded result feedback signal reception quality information after being received according to signal, network side can be according to the letter Number reception quality information determines to find result, realizes the discovery for specifying user equipment.

Brief description of the drawings

Fig. 1 is one of communication link schematic diagram of mobile communication in the prior art；

Fig. 2 is the two of the communication link schematic diagram of mobile communication in the prior art；

Fig. 3 is one of discovery method flow diagram of specified user equipment provided in an embodiment of the present invention；

Fig. 4 is the two of the discovery method flow diagram of specified user equipment provided in an embodiment of the present invention；

Fig. 5 is the three of the discovery method flow diagram of specified user equipment provided in an embodiment of the present invention；

Fig. 6 is the four of the discovery method flow diagram of specified user equipment provided in an embodiment of the present invention；

Fig. 7 is the five of the discovery method flow diagram of specified user equipment provided in an embodiment of the present invention；

Fig. 8 is the discovery method flow diagram of the specified user equipment of corresponding embodiment one provided in an embodiment of the present invention；

Fig. 9 is the discovery method flow diagram of the specified user equipment of corresponding embodiment two provided in an embodiment of the present invention；

Figure 10 is the discovery method flow diagram of the specified user equipment of corresponding embodiment three provided in an embodiment of the present invention；

Figure 11 is the discovery method flow diagram of the specified user equipment of corresponding example IV provided in an embodiment of the present invention；

Figure 12 is the D2D communication establishing method streams of the specified user equipment of corresponding embodiment five provided in an embodiment of the present invention Cheng Tu；

Figure 13 is one of discovery apparatus structure schematic diagram of specified user equipment provided in an embodiment of the present invention；

Figure 14 is the two of the discovery apparatus structure schematic diagram of specified user equipment provided in an embodiment of the present invention；

Figure 15 is the three of the discovery apparatus structure schematic diagram of specified user equipment provided in an embodiment of the present invention；

Figure 16 is the four of the discovery apparatus structure schematic diagram of specified user equipment provided in an embodiment of the present invention；

Figure 17 is the five of the discovery apparatus structure schematic diagram of specified user equipment provided in an embodiment of the present invention.

Embodiment

As shown in figure 3, the discovery method of the specified user equipment provided in an embodiment of the present invention for base station side, including：

Step S301, when base station determines to need to be found between at least two specified user equipment (UE)s, it is determined that finding The square UE and side of being found UE；

Step S302, the resource information shared by its transmission signal of the base station notice discovery side UE and side of being found UE；

Step S303, base station receives the discovery side UE and/or side of being found UE and receives and decode other side UE and leads in predetermined instant Cross predetermined resource and signal that mode is sent after, the signal receiving quality information fed back according to the decoded result of signal；

Step S304, base station determines that at least two specify the discovery result between UE according to signal receiving quality information.

Wherein, in step S301, base station determines to need to be found between at least two specified user equipment (UE)s, generally The request for finding other end UE of UE initiations is received for base station, or core network signalling is received, it is necessary to this extremely for base station Few two specified UE perform discovery procedure.

Specifically, the mode of interactive signal can have a variety of, the embodiment of the present invention between the side of discovery UE and the side of being found UE It is described in detail exemplified by following four kinds：

（1）The side of being found UE sends discovery signal in predetermined instant by predetermined resource and mode, and the side of discovery UE is received simultaneously The discovery signal is decoded, and signal receiving quality information, base station root are found to base station feedback according to the decoded result for finding signal Determine that at least two specify the discovery result between UE according to the discovery signal receiving quality information；

（2）The side of being found UE sends discovery signal in predetermined instant by predetermined resource and mode, and the side of discovery UE is received simultaneously The discovery signal is decoded, and signal receiving quality information, discovery side are found to base station feedback according to the decoded result for finding signal UE is when decoding correct, it is also necessary to sends response signal by predetermined resource and mode in predetermined instant, the side of being found UE is received And the response signal is decoded, and according to the decoded result of response signal to base station feedback response signal reception quality information, base station Determine that at least two specify the discovery between UE according to the discovery signal receiving quality information and response signal reception quality information As a result；

（3）The side of being found UE sends discovery signal in predetermined instant by predetermined resource and mode, and the side of discovery UE is received simultaneously The discovery signal is decoded, the side of discovery UE is when decoding correct, it is also necessary to sends sound by predetermined resource and mode in predetermined instant Induction signal, the side of being found UE are received and are decoded the response signal, and are responded according to the decoded result of response signal to base station feedback Signal receiving quality information, base station determine that at least two specify the discovery knot between UE according to the response signal reception quality information Fruit；

（4）The side of being found UE sends discovery signal in its predetermined instant by predetermined resource and mode, and the side of discovery UE is received And the discovery signal is decoded, and signal receiving quality information is found to base station feedback according to the decoded result for finding signal, find Square UE sends discovery signal in its predetermined instant by predetermined resource and mode, and the side of being found UE is received and decoded discovery letter Number, and it is anti-according to discovery side UE to base station feedback discovery signal receiving quality information, base station according to the decoded result for finding signal The discovery signal receiving quality information of discovery signal receiving quality information and the side of being found the UE feedback of feedback determines at least two fingers Determine the discovery result between UE.

When using（1）、（4）During kind mode, its transmission letter of the step S302 base stations notice discovery side UE and side of being found UE Resource information shared by number, is specifically included：

Base station notifies the resource information shared by its discovery signal of the discovery side UE and side of being found UE；

Step S303 base stations receive the discovery side UE and/or side of being found UE and receive and decode other side UE to be passed through in predetermined instant After the signal that predetermined resource and mode are sent, according to the signal receiving quality information of the decoded result of signal feedback, specifically include：

Base station reception discovery side UE is received and decoded the side of being found UE to be sent in predetermined instant by predetermined resource and mode Discovery signal after, according to find signal decoded result feed back discovery signal receiving quality information；

Step S304 base stations determine that at least two specify the discovery result between UE according to signal receiving quality information, specifically Including：

Base station determines that at least two specify the discovery result between UE according to discovery signal receiving quality information.

When using（1）During kind mode, base station determines that a specified UE is discovery side UE, and it is quilt to determine that another specifies UE It was found that square UE；

When using（4）During kind mode, determine that at least two specify the UE side of the discovery UE and side of being found UE each other.

When using（2）、（3）During kind mode, its transmission letter of the step S302 base stations notice discovery side UE and side of being found UE Resource information shared by number, is specifically included：

Resource information shared by its discovery signal of the base station notice discovery side UE and side of being found UE and response signal；

Corresponding the（2）Kind of mode, base station receive discovery side UE receive and decode the side of being found UE pass through in predetermined instant it is pre- After determining the discovery signal that resource and mode are sent, according to the discovery signal receiving quality letter for finding that the decoded result of signal feeds back Breath, and the base station reception side of being found UE is received and is decoded discovery side UE and is correctly decoded discovery signal and passes through in predetermined instant pre- After determining the response signal that resource and mode are sent, the response signal quality of reception fed back according to the decoded result of response signal is believed Breath；

Or

Corresponding the（3）Kind mode, the base station reception side of being found UE, which is received and decoded discovery side UE, is correctly decoded discovery signal And after the response signal that predetermined instant is sent by predetermined resource and mode, according to the sound of the decoded result of response signal feedback Induction signal reception quality information；

Corresponding the（2）Kind mode base station determines according to discovery signal receiving quality information and response signal reception quality information At least two specify the discovery result between UE, or corresponding the（3）Kind mode determines according to response signal reception quality information At least two specify the discovery result between UE.

Further, determine that at least two specify the discovery result between UE according to discovery signal receiving quality information in base station Afterwards, in addition to：

When discovery result is to find that the link successfully and between at least two specified UE meets wanting for device-to-device D2D communications When asking, base station specifies UE to send D2D configuration informations respectively at least two, and UE is specified according to D2D configuration informations by least two Configured and establish D2D communications.

Specifically, base station at least two specify UE send D2D configuration informations respectively, by least two specify UE according to D2D configuration informations are configured and establish D2D communications, are specifically included：

Base station by dedicated signaling at least two specify UE send respectively D2D channel configurations, each protocol layer parameter, Resource allocation and specific configuration information, and D2D channels at the time of start or predistribution resource location of setting, by least two After the completion of individual specified UE configuration at the time of the D2D channels of setting start or predistribution resource location proceeds by D2D communications；

Base station receives at least two and specifies UE according to D2D channel configurations, the parameter of each protocol layer, resource allocation and special Configuration information is carried out with postponing, and signaling is completed in the configuration of transmission.

In embodiments of the present invention, finding the sending method of signal can be：

Special Preamble（Lead code）Sending method；Or

Special D2D has found the sending method of signal；Or

The resource of multiplexing downstream transmission is transmitted.

Further, this is specified also includes in the discovery method of user equipment：

Base station notifies the discovery side UE and/or side of being found UE to determine to find the condition or thresholding of result；

Now, base station receive the discovery side UE and/or side of being found UE receive and decode other side UE pass through in predetermined instant it is pre- After determining the signal that resource and mode are sent, according to the signal receiving quality information of the decoded result of signal feedback, specifically include：

Base station receives the discovery side UE and/or side of being found UE and receives and decode other side UE passes through predetermined resource in predetermined instant After the signal sent with mode, according to the decoded result of signal and determine to find that the condition of result or the signal of Threshold Feedback connect Receive quality information.

Further, base station also need to configure UE feedback informations shared by resource, now base station notice discovery side UE and by It was found that square UE its send signal shared by resource information after, in addition to：

Base station is according to the transmission time point and decoding time point for finding signal, it is determined that UE feedbacks in the side of discovery find that signal receives The time point of quality information；And the time point for finding signal receiving quality information is fed back according to discovery side UE, pre-configured feedback hair Ascending resource used in existing signal receiving quality information gives discovery side UE；

Or

Base station uses PDCCH（Physical Downlink Control Channel）The mode of dynamic dispatching, one piece of feedback is dispatched to discovery side UE It was found that the ascending resource used in signal receiving quality information.

In embodiments of the present invention, it is found that signal can be specially：

For doing the specific code of mass measurement；Or

The signal of information safe to carry, D2D group informations and personal information.

When discovery signal is the signal of information safe to carry, D2D group informations and personal information, the side of discovery UE can enter One step carries out CRC according to the discovery signal（Cyclic Redundancy Check, CRC）Deng operation.

In embodiments of the present invention, as explanation exemplified by the discovery using between at least two specified UE, in fact, if One group of UE discovery is also possible, that is, the side of being found UE is wherein UE1, and other UE are discovery side UE, the side of discovery UE number Mesh is more than or equal to 2, then network side needs to notify all discovery side UE on the information for finding signal and possible detection quality Condition and threshold information etc., each the side of discovery UE parsed in precalculated position and find signal, and by analysis result or according to The judged result of condition reports network side respectively, and network side collects all information and does final judgement.

Accordingly, the embodiment of the present invention also provides a kind of discovery method of the specified user equipment for discovery side UE, such as Shown in Fig. 4, including：

Step S401, discovery side UE receives base station and determines to need to be found between at least two specified user equipment (UE)s When send find signal shared by resource information；

Step S402, discovery side UE is received and is decoded the side of being found UE and sent in predetermined instant by predetermined resource and mode Discovery signal；

Step S403, discovery side UE has found signal receiving quality letter according to the decoded result for finding signal to base station feedback Breath, determine that at least two specify the discovery result between UE according to discovery signal receiving quality information by base station.

This method is corresponding the（1）The discovery side UE sides method of kind mode.

Corresponding the（2）Kind mode, on the basis of method as shown in Figure 4, in addition to：

It was found that square UE sends response signal in predetermined instant by predetermined resource and mode, received and solved by the side of being found UE The code response signal, and the side of being found UE believe according to the decoded result of response signal to the base station feedback response signal quality of reception Breath, by base station according to finding that signal receiving quality information and response signal reception quality information determine that at least two specify between UE Discovery result.

Corresponding the（4）Kind mode, on the basis of method as shown in Figure 4, in addition to：

It was found that square UE sends discovery signal in predetermined instant by predetermined resource and mode, received and solved by the side of being found UE The code discovery signal, and the side of being found UE have found that signal receiving quality is believed according to the decoded result for finding signal to base station feedback Breath, determine that at least two specify UE according to the discovery side UE and side of the being found UE discovery signal receiving quality information sent by base station Between discovery result.

Further, after this specifies the discovery method of user equipment to perform, D2D connection setups can also be carried out, now, bag Include：

Determine to find result to find that the link successfully and between at least two specified UE meets to set it was found that square UE receives base station During for the requirement to be communicated to equipment D2D, the D2D configuration informations of transmission；

It was found that square UE is configured according to D2D configuration informations, and signaling is completed to base station send configuration；

It was found that square UE, according to D2D configuration informations, at the time of the D2D channels of setting start or predistribution resource location is opened Begin to carry out D2D communications.

Wherein, D2D configuration informations include：

D2D channel configurations, the parameter of each protocol layer, resource allocation and specific configuration information, and the D2D channels of setting At the time of beginning or predistribution resource location.

Dedicated preamble Preamble sending method；Or

Special D2D has found the sending method of signal；Or

The resource of multiplexing downstream transmission is transmitted.

Further, this is specified in the discovery method of user equipment, in addition to：

It was found that square UE receives the condition or thresholding of the determination discovery result of base station notice；

It was found that square UE has found signal receiving quality information, specific bag according to the decoded result for finding signal to base station feedback Include：

It was found that square UE is according to the decoded result for finding signal and determines to find the condition or thresholding of result, to base station feedback It was found that signal receiving quality information.

It was found that square UE is when feedback finds signal receiving quality information：

It was found that square UE has found the ascending resource used in signal receiving quality information, feedback hair by the pre-configured feedback in base station Existing signal receiving quality information；Or

It was found that by way of square UE uses PDCCH dynamic dispatchings base station, one piece of feedback to discovery side UE scheduling is found Ascending resource used in signal receiving quality information, feedback find signal receiving quality information.

In the embodiment of the present invention, it is found that signal can be specially：

For doing the specific code of mass measurement；Or

When discovery signal is the signal of information safe to carry, D2D group informations and personal information, in addition to：

It was found that square UE carries out CRC check according to discovery signal.

The embodiment of the present invention also provides a kind of discovery method of the specified user equipment of discovery side UE sides, and corresponding the（3）Kind Mode, as shown in figure 5, including：

Step S501, discovery side UE receives base station and determines to need to be found between at least two specified user equipment (UE)s When send find signal and the resource information shared by response signal；

Step S502, discovery side UE is received and is decoded the side of being found UE and sent in predetermined instant by predetermined resource and mode Discovery signal；

Step S503, discovery side UE is determined after discovery signal is successfully decoded, and passes through predetermined resource and mode in predetermined instant Response signal is sent, after being received by the side of being found UE and decoded the response signal, to base station feedback response signal quality of reception letter Breath, determine that at least two specify the discovery result between UE according to response signal reception quality information by base station.

The embodiment of the present invention also provides a kind of discovery method of the specified user equipment of the side of being found UE sides, as shown in fig. 6, Including：

Step S601, the side of being found UE receives base station and determines to need to be sent out between at least two specified user equipment (UE)s Now, the resource information found shared by signal of transmission；

Step S602, the side of being found UE sends discovery signal in predetermined instant by predetermined resource and mode, by discovery side UE is received and is decoded the discovery signal and will find signal receiving quality letter to base station feedback according to the decoded result for finding signal Breath, determine that at least two specify the discovery result between UE according to discovery signal receiving quality information by base station.

This method is corresponding the（1）The side of the being found UE sides method of kind mode.

Corresponding the（2）Kind mode, on the basis of method as shown in Figure 6, in addition to：

The side of being found UE is received and decoded discovery side UE to be believed in the response that predetermined instant is sent by predetermined resource and mode Number；

The side of being found UE according to the decoded result of response signal to base station feedback response signal reception quality information, by base station Determine that at least two specify the discovery knot between UE according to discovery signal receiving quality information and response signal reception quality information Fruit.

Corresponding the（4）Kind mode, on the basis of method as shown in Figure 6, in addition to：

The side of being found UE is received and decoded discovery side UE to be believed in the discovery that predetermined instant is sent by predetermined resource and mode Number；

The side of being found UE has found signal receiving quality information according to the decoded result for finding signal to base station feedback, by base station Determine that at least two specify the hair between UE according to the discovery side UE and side of the being found UE discovery signal receiving quality information sent Now result.

Further, after this specifies the discovery method of user equipment to perform, D2D connection setups can also be carried out, now, are also wrapped Include：

The side of being found UE receives base station and determines to find result to find that the link successfully and between at least two specified UE meets During the requirement of device-to-device D2D communications, the D2D configuration informations of transmission；

The side of being found UE is configured according to D2D configuration informations, and completes signaling to base station send configuration；

The side of being found UE is according to D2D configuration informations, at the time of the D2D channels of setting start or predistribution resource location Proceed by D2D communications.

Wherein, D2D configuration informations include：

Dedicated preamble Preamble sending method；Or

Special D2D has found the sending method of signal；Or

The resource of multiplexing downstream transmission is transmitted.

Further, when the side of being found UE needs to feed back discovery signal receiving quality information, this specifies the discovery of user equipment In method, in addition to：

The side of being found UE receives the condition or thresholding of the determination discovery result of base station notice；

The side of being found UE has found signal receiving quality information, specific bag according to the decoded result for finding signal to base station feedback Include：

The side of being found UE is according to the decoded result for finding signal and determines to find the condition or thresholding of result, anti-to base station Feedback finds signal receiving quality information.

The side of being found UE is when feedback finds signal receiving quality information：

The side of being found UE has found the ascending resource used in signal receiving quality information, feedback by the pre-configured feedback in base station It was found that signal receiving quality information；Or

By way of the side of being found UE uses PDCCH dynamic dispatchings base station, one piece of feedback to the side of being found UE scheduling It was found that the ascending resource used in signal receiving quality information, feedback finds signal receiving quality information.

For doing the specific code of mass measurement；Or

The embodiment of the present invention also provides a kind of discovery method of specified user equipment, and corresponding the（3）Kind mode, such as Fig. 7 institutes Show, including：

Step S701, the side of being found UE receives base station and determines to need to be sent out between at least two specified user equipment (UE)s Now, the resource information found shared by signal of transmission；

Step S702, the side of being found UE sends discovery signal in predetermined instant by predetermined resource and mode；

Step S703, after the side of being found UE is received and decoded discovery side UE decoding discovery signal successes, lead in predetermined instant Cross predetermined resource and response signal that mode is sent；

Step S704, the side of being found UE believes according to the decoded result of response signal to the base station feedback response signal quality of reception Breath, determine that at least two specify the discovery result between UE according to response signal reception quality information by base station.

Below, the discovery method for specifying user equipment is described in detail by specific embodiment：

Embodiment one,

Corresponding the（1）Kind mode.

As shown in figure 8, the base station notice discovery side UE and side of being found UE has found the resource information shared by signal, it is found Square UE, which is sent, finds signal, and the side of discovery UE has found that signal receiving quality is believed according to the decoded result for finding signal to base station feedback Breath.

Specifically, in network side, including：

Step 1：When requests of the UE to network initiation discovery other end UE, or eNB receive core network signalling, it is necessary to right Two UE perform discovery procedures, or the algorithm based on eNB is between two UE, it is necessary to initiate discovery procedure, then eNB is according to asking Instruction or algorithm in asking determine the side of discovery UE and the side of being found UE, and notify discovery side in the form of dedicated signaling respectively The UE and side of being found UE, it finds the information of resource shared by signal, including time-frequency domain resources, code-point or other information.

Also, network side can also notify the condition or thresholding of its detection of the side of discovery UE.Extra, because finding signal Transmission time point and the decoding information such as time be that comparison is clear and definite, the time point eNB of feedback result can also be extrapolated substantially Come, therefore ascending resource that can also be used in pre-configured feedback result gives discovery side UE；

Step 2：Network side receives the anti-of discovery side UE according to schedule on the pre-configured running time-frequency resource to feedback result Feedback, or there is no feedback on reservation resource, eNB gives discovery side UE according to the temporal mode calculated using PDCCH dynamic dispatchings One piece of ascending resource is dispatched at suitable time point, to send feedback result, such as finds that at the time of signal is sent be n, it is false If decoding and when a length of k of organizational feedback bag, then eNB can dispatch one piece of ascending resource at the n+k moment to discovery side UE, to Transmit feedback result；

Step 3：Network side parses to feedback result, and according to feedback result in time triggering following flow, such as If feedback result is two set UE discovery procedures successes, and meets the condition of D2D communications, D2D communications may be subsequently triggered Link establishment process.

The side of being found UE sides：

Step 0：Alternatively, the side of being found UE can be actively to network side request and the opposing party discovery side UE discovery Journey, or request is that D2D establishes process, because the premise established is to find, therefore triggers discovery procedure first, demand signalling Can be sent to RAN contacts such as eNB, it is also possible to sent to core net node；

Step 1：The side of being found UE receives network side dedicated signaling, knows the resource location that signal is found for sending, code Point and other information；

Step 2：At the time of predetermined transmission discovery signal is reached, the side of being found UE is according to configuration in predetermined resource Send in a predetermined manner and find signal；

The transmission for finding signal above is also likely to be to send more than once, can repeatedly be sent according to the configuration of network side, If network side is configured with repeatedly, UE acts in accordance with it.The discovery procedure of the side of being found UE sides terminates.

It was found that square UE sides

Step 0：Alternatively, the side of discovery UE can be actively to network side request and the opposing party side of being found UE discovery Journey, or request is that D2D establishes process, because the premise established is to find, therefore triggers discovery procedure first, demand signalling Can be sent to RAN contacts such as eNB, it is also possible to sent to core net node；

Step 1：It was found that square UE receives network side dedicated signaling, the resource location that signal is found for sending, code-point are known And other information；

Step 2：At the time of reaching predetermined transmission and finding signal, the side of discovery UE according to configuration in predetermined resource with Predetermined mode decodes discovery signal；

Step 3：By to finding that the parsing situation of signal is sent to network side；It is detailed that analysis result can include specific parsing Thin information, better simply result after comparison can also be sent to by net according to condition and thresholding that networking side configures in advance etc. Network side.

Embodiment two,

Corresponding the（2）Kind mode.

As shown in figure 9, base station notice the side of discoverying UE and the side of being found UE discovery signal and response signal shared by resource Information, the side of being found UE, which is sent, finds signal, and the side of discovery UE has found signal according to the decoded result for finding signal to base station feedback Reception quality information, the side of discovery UE send response signal, and the side of being found UE is according to the decoded result of response signal to base station feedback Response signal reception quality information.

In some cases, it is believed that the UE of D2D communicating pairs, the link in one direction（UE1->UE2）With opposite direction chain Road（UE2->UE1）There is certain difference, such as both direction transmission link needs to use different frequencies or frequency band to be passed When defeated, i.e., when the link-quality for measuring a direction meets D2D communicating requirements, it is impossible to directly think the chain in another direction Road naturally also meets to require.Therefore when carrying out discovery procedure, it is necessary to tested to the link-quality of both direction, checking By rear i.e. it is believed that bi-directional link is satisfied by D2D communicating requirements.

In the present embodiment, most of description of embodiment one is applicable, and only emphasis description herein exists with embodiment one The place of difference.

Specifically, in network side, including：

Step 1：Trigger discovery procedure（Possible three kinds of triggering modes, UE triggerings, eNB are voluntarily triggered, core net triggering Deng）, then instructions of the eNB in request or algorithm determine discovery side and the side of being found, and respectively with the shape of dedicated signaling Formula notifies the side of discoverying UE and the side of being found UE, the information of resource shared by its discovery signal, including time-frequency domain resources, code-point or Other information, and configure receive find signal UE its to the direct feedback responses of opposite end UE resource location and send information. Also, network side can also notify its condition detected or thresholding.Extra, because finding the transmission time of signal and response Point and decoding time etc. are that comparison is clear and definite, and the time point eNB of feedback result can also be calculated substantially, therefore can also be pre- The ascending resource used in feedback result is configured to UE；

Step 2：Network side on the pre-configured running time-frequency resource to feedback result according to schedule receive discovery side UE and by It was found that square UE feedback, or there is no feedback on reservation resource, eNB is according to the temporal side calculated using PDCCH dynamic dispatchings Formula, one piece of ascending resource is dispatched at suitable time point to UE, to send feedback result, such as D2D has found signal or response The delivery time of signal is n, it is assumed that when a length of k of decoding and organizational feedback bag, then eNB can be at the n+k moment to UE scheduling one Block ascending resource, to transmit feedback result；

The side of being found UE sides

Step 0：Alternatively, the side of being found UE can be actively to network side request and the opposing party discovery side UE discovery Journey；

Step 3：At the time of predetermined transmission response signal is reached, the side of being found UE is according to configuration in predetermined resource Response signal is received and parsed through in a predetermined manner；

Step 4：The parsing situation of response signal is fed back into network, can be that direct feedback signal quality information also may be used With according to pre-configured condition, the result report network after will determine that.

It was found that square UE sides

Step 0：Alternatively, the side of discovery UE can be actively to network side request and the opposing party side of being found UE discovery Journey；

Step 1：It was found that square UE receives network side dedicated signaling, the resource-niche that signal and response are found for sending is known Put, code-point and other information；

Step 3：At the time of predetermined transmission response signal is reached, the side of discovery UE according to configuration in predetermined resource with Predetermined mode sends response signal；Certain response signal can also be that condition is sent, for example, meet basic condition of acceptance or After the pre-configured condition of acceptance of person's network, response signal is just sent, if condition is unsatisfactory for or be not resolved to discovery letter Number, then response is not sent；

Step 3a：By to finding that the parsing situation of signal is sent to network side；Analysis result can include specific parsing Details, better simply result after comparison can also be sent to according to condition and thresholding that networking side configures in advance etc. Network side.

Step 3 and step 3a do not have strict context.

Embodiment three,

Corresponding the（3）Kind mode.

As shown in Figure 10, base station notice the side of discoverying UE and the side of being found UE discovery signal and response signal shared by resource Information, the side of being found UE, which is sent, finds signal, and the side of discovery UE determines to find to send response signal after signal decoding is correct, is found Square UE is according to the decoded result of response signal to base station feedback response signal reception quality information.

Specifically, in network side, including：

Step 2：Network side receives the side of being found UE's according to schedule on the pre-configured running time-frequency resource to feedback result Feedback, or there is no feedback on reservation resource, eNB is closing according to the temporal mode calculated using PDCCH dynamic dispatchings to UE Suitable time point dispatches one piece of ascending resource, to send feedback result, such as when D2D has found the transmission of signal or response signal Carve as n, it is assumed that decode when a length of k with organizational feedback bag, then eNB can give UE to dispatch one piece of ascending resource at the n+k moment, use To transmit feedback result；

The side of being found UE sides

It was found that square UE sides

Step 3：At the time of predetermined transmission response signal is reached, and meet that response signal sends condition, that is, find letter Number decoding is correct, meets the pre-configured condition of acceptance of basic condition of acceptance or network, the side of discovery UE is according to configuration predetermined Response signal is sent in resource in a predetermined manner.

Example IV,

Corresponding the（4）Kind mode.

As shown in figure 11, the base station notice discovery side UE and side of being found UE has found the shared resource information of signal difference, The side of being found UE is sent in its resource finds signal, and the side of discovery UE has found according to the decoded result for finding signal to base station feedback Signal receiving quality information, the side of discovery UE is sent in its resource finds signal, and the side of being found UE is according to the solution of the discovery signal Code result finds signal receiving quality information to base station feedback.

Specifically, in network side, including：

Step 1：Trigger discovery procedure（Possible three kinds of triggering modes, UE triggerings, eNB are voluntarily triggered, core net triggering Deng）, then eNB respectively in the form of dedicated signaling notify UE both sides, the information of resource shared by its each self-discovery signal, including when Frequency domain resource, code-point or other information.Also, network side can also notify its condition detected or thresholding.Extra, because To find that the transmission time point of signal and decoding time etc. are that comparison is clear and definite, the time point eNB of feedback result can also be substantially Calculate, therefore ascending resource that can also be used in pre-configured feedback result is to UE；

Step 2：Network side receives two UE's respectively according to schedule on the pre-configured running time-frequency resource to feedback result Feedback, or there is no feedback on reservation resource, eNB is closing according to the temporal mode calculated using PDCCH dynamic dispatchings to UE Suitable time point dispatches one piece of ascending resource, to send feedback result, such as when D2D has found the transmission of signal or response signal Carve as n, it is assumed that decode when a length of k with organizational feedback bag, then eNB can give UE to dispatch one piece of ascending resource at the n+k moment, use To transmit feedback result；

Step 3：Network side parses to feedback result, and according to feedback result in time triggering following flow, such as If feedback result is that two set UE discovery procedures are successful, and meets the condition of D2D communications, it may subsequently trigger D2D and lead to Believe link establishment process.

UE1 sides

Step 0：Alternatively, UE1 can be actively to network side request and the opposing party UE discovery procedure；

Step 1：UE1 receives network side dedicated signaling, knows the resource-niche for sending discovery signal with other side for itself Put, code-point and other information；

Step 2：When reach predetermined UE1 send find signal at the time of, UE1 according to configuration in predetermined resource with pre- Fixed mode sends discovery signal；

Step 3：When reach predetermined UE2 send find signal at the time of, UE1 according to configuration in predetermined resource with pre- Fixed mode receives and parses through signal；

Step 4：The parsing situation that signal is found to UE2 is fed back into network, can be direct feedback signal quality letter Breath can also be according to pre-configured condition, the result report network after will determine that.

UE2 sides

Step 0：Alternatively, UE2 can be actively to network side request and the opposing party UE discovery procedure；

Step 1：UE2 receives network side dedicated signaling, knows the resource-niche for sending discovery signal with other side for itself Put, code-point and other information；

Step 2：When reach predetermined UE2 send find signal at the time of, UE2 according to configuration in predetermined resource with pre- Fixed mode sends discovery signal；

Step 3：When reach predetermined UE1 send find signal at the time of, UE2 according to configuration in predetermined resource with pre- Fixed mode receives and parses through signal；

Step 4：The parsing situation that signal is found to UE1 is fed back into network, can be direct feedback signal quality letter Breath can also be according to pre-configured condition, the result report network after will determine that.

Wherein, the context of above-mentioned UE1 and UE2 discovery signal depends on network configuration, can be that a side first sends After completion to be resolved, the opposing party retransmits, it is possibility to have certain cross reference.

Embodiment five,

D2D link establishments.

When D2D discovery procedures completion, and verify that the link between UE meets the requirement of D2D communications, or based on other Judgement, it is believed that meet between UE D2D communication requirement, then can establish D2D links.

As shown in figure 12, base station gives the UE for establishing D2D links to send D2D channel configuration informations, and each UE carries out channel and matched somebody with somebody Postpone, it is formal to start D2D communications in the first piece of D2D resource location due in arranged or pre-allocated.

Specifically, the flow of network side includes：

Step 1：Network side in the form of dedicated signaling, informs the UE of D2D communications, its channel configuration and each agreement respectively The parameter of layer, resource allocation and various specialized configurations etc., and arrange at the time of D2D channels start or pre-allocate resource location；

Step 2：Network side receives the configuration that D2D UE are sent and completes signaling, confirms that D2D channels are established and completes, if before There are D2N channels and the related data between two business, then keep the data in caching to continue to send.

UE sides（Two or more D2D UE processes are similar）：

Step 1：The configuration signal that network side is sent is received, channel and each protocol layer are carried out according to the configuration of network side Structure, it is ready for D2D communications, and replys D2D configurations to network side and complete；

Step 2：It is formal to start D2D communications in the first piece of D2D resource location due in arranged or pre-allocated.

The embodiment of the present invention also provides a kind of discovery device of specified user equipment, and the device can be specially base station, such as Shown in Figure 13, including：

Determining unit 1301, when needing to be found between at least two specified user equipment (UE)s for determination, it is determined that It was found that the square UE and side of being found UE；

Notification unit 1302, for notifying the resource information shared by its transmission signal of the discovery side UE and side of being found UE；

Receiving unit 1303, received for the reception discovery side UE and/or side of being found UE and decode other side UE in pre- timing After carving the signal sent by predetermined resource and mode, according to the signal receiving quality information of the decoded result of signal feedback；

It was found that result determining unit 1304, for determining that at least two specify between UE according to signal receiving quality information It was found that result.

Wherein, notification unit 1302 is specifically used for：

Notify the resource information shared by its discovery signal of the discovery side UE and side of being found UE；

Receiving unit 1303 is specifically used for：

Receive discovery side UE and receive and decode the hair that the side of being found UE is sent in predetermined instant by predetermined resource and mode After existing signal, according to the discovery signal receiving quality information for the decoded result feedback for finding signal；

It was found that result determining unit 1304 is specifically used for：

Determine that at least two specify the discovery result between UE according to discovery signal receiving quality information.

Wherein it is determined that unit 1301 determines the discovery side UE and side of being found UE, specifically include：

It is discovery side UE to determine a specified UE, and it is the side of being found UE to determine that another specifies UE；Or

Determine that at least two specify the UE side of the discovery UE and side of being found UE each other.

Notification unit 1302 is specifically used for：

Resource information shared by its discovery signal of the notice discovery side UE and side of being found UE and response signal；

Receiving unit 1303 is specifically used for：

Base station reception discovery side UE is received and decoded the side of being found UE to be sent in predetermined instant by predetermined resource and mode Discovery signal after, according to find signal decoded result feed back discovery signal receiving quality information, and base station receive quilt It is correctly decoded discovery signal it was found that square UE is received and decoded discovery side UE and is sent in predetermined instant by predetermined resource and mode Response signal after, according to the decoded result of response signal feed back response signal reception quality information；

Or

The base station reception side of being found UE is received and is decoded discovery side UE and is correctly decoded discovery signal and passes through in predetermined instant After the response signal that predetermined resource and mode are sent, the response signal quality of reception fed back according to the decoded result of response signal is believed Breath；

It was found that result determining unit 1304 is specifically used for：

According to finding that signal receiving quality information and response signal reception quality information determine that at least two specify between UE Discovery result, or according to response signal reception quality information determine at least two specify UE between discovery result.

Further, in addition to：

D2D connection setup units, for finding that the link successfully and between at least two specified UE meets when finding result During the requirement of device-to-device D2D communications, specify UE to send D2D configuration informations respectively at least two, specified by least two UE is configured according to D2D configuration informations and is established D2D communications.

D2D connection setup units are specifically used for：

UE is specified to send D2D channel configurations, the parameter of each protocol layer, resource respectively at least two by dedicated signaling Distribution and specific configuration information, and D2D channels at the time of start or predistribution resource location of setting, are referred to by least two Determine UE configuration after the completion of at the time of the D2D channels of setting start or predistribution resource location proceed by D2D communication；

Receive at least two and specify UE according to D2D channel configurations, the parameter of each protocol layer, resource allocation and specialized configuration Information is carried out with postponing, and signaling is completed in the configuration of transmission.

Notification unit 1302 is additionally operable to：

The discovery side UE and/or side of being found UE is notified to determine to find the condition or thresholding of result；

Receiving unit 1303 is specifically used for：

Receive the discovery side UE and/or side of being found UE and receive and decode other side UE and pass through predetermined resource and side in predetermined instant After the signal that formula is sent, according to the decoded result of signal and determine to find the condition or thresholding of result, the signal of feedback receives Quality information.

Notification unit 1302 is additionally operable to：

According to the transmission time point and decoding time point for finding signal, it is determined that UE feedbacks in the side of discovery find signal receiving quality The time point of information；And the time point for finding signal receiving quality information is fed back according to discovery side UE, pre-configured feedback finds letter Ascending resource used in number reception quality information gives discovery side UE；

Or

Using the mode of PDCCH dynamic dispatchings, dispatch one piece of feedback to discovery side UE and find signal receiving quality information institute Ascending resource.

The embodiment of the present invention also provides a kind of discovery device of specified user equipment, and the device can be specially sender UE, as shown in figure 14, including：

Information receiving unit 1401, determine to need to carry out between at least two specified user equipment (UE)s for receiving base station It was found that when send find signal shared by resource information；

Decoding unit 1402, sent for receiving and decoding the side of being found UE in predetermined instant by predetermined resource and mode Discovery signal；

Feedback unit 1403, for finding signal receiving quality letter to base station feedback according to the decoded result for finding signal Breath, determine that at least two specify the discovery result between UE according to discovery signal receiving quality information by base station.

Further, also include in the device：

Response unit, for sending response signal by predetermined resource and mode in predetermined instant, connect by the side of being found UE Receive and decode the response signal, and the side of being found UE receives according to the decoded result of response signal to base station feedback response signal Quality information, determine that at least two specify according to discovery signal receiving quality information and response signal reception quality information by base station Discovery result between UE.

Further, also include in the device：

Transmitting element, for sending discovery signal by predetermined resource and mode in predetermined instant, connect by the side of being found UE Receive and decode the discovery signal, and the side of being found UE has found that signal receives according to the decoded result for finding signal to base station feedback Quality information, at least two are determined according to the discovery side UE and side of the being found UE discovery signal receiving quality information sent by base station Specify the discovery result between UE.

Further, communication unit is also included in the device, is used for：

Base station is received to determine to find result to find that the link successfully and between at least two specified UE meets device-to-device During the requirement of D2D communications, the D2D configuration informations of transmission；

Configured according to D2D configuration informations, and signaling is completed to base station send configuration；

According to D2D configuration informations, at the time of the D2D channels of setting start or predistribution resource location proceeds by D2D communicates.

Wherein, D2D configuration informations include：

Information receiving unit 1401 is additionally operable to：

The determination for receiving base station notice finds the condition or thresholding of result；

Feedback unit 1403 is specifically used for：

According to the decoded result for finding signal and determine to find the condition or thresholding of result, signal is found to base station feedback Reception quality information.

Feedback unit 1403 finds the ascending resource used in signal receiving quality information by the pre-configured feedback in base station, instead Feedback finds signal receiving quality information；Or

By way of feedback unit 1403 uses PDCCH dynamic dispatchings base station, one piece of feedback to discovery side UE scheduling It was found that the ascending resource used in signal receiving quality information, feedback finds signal receiving quality information.

When discovery signal is the signal of information safe to carry, D2D group informations and personal information, decoding unit 1402 is also For：

CRC check is carried out according to discovery signal.

The embodiment of the present invention also provides a kind of discovery device of specified user equipment, and the device can be specially discovery side UE, as shown in figure 15, including：

Occupied information receiving unit 1501, determine to need between at least two specified user equipment (UE)s for receiving base station It was found that when send find signal and the resource information shared by response signal；

It was found that signal decoding unit 1502, for receive and decode the side of being found UE predetermined instant by predetermined resource and The discovery signal that mode is sent；

Response signal transmitting element 1503, for determining after discovery signal is successfully decoded, pass through predetermined money in predetermined instant Source and mode send response signal, after being received by the side of being found UE and decoded the response signal, are connect to base station feedback response signal Quality information is received, determines that at least two specify the discovery result between UE according to response signal reception quality information by base station.

The embodiment of the present invention also provides a kind of discovery device of specified user equipment, and the device can be specially the side of being found UE, as shown in figure 16, including：

Asset information receipt unit 1601, determine to need between at least two specified user equipment (UE)s for receiving base station It was found that when, the resource information found shared by signal of transmission；

It was found that signal transmitting unit 1602, for sending discovery signal by predetermined resource and mode in predetermined instant, by It was found that square UE is received and is decoded the discovery signal and will find that signal receives to base station feedback according to the decoded result for finding signal Quality information, determine that at least two specify the discovery result between UE according to discovery signal receiving quality information by base station.

Further, also include in the device：

Response signal decoding unit, sent out for receiving and decoding discovery side UE in predetermined instant by predetermined resource and mode The response signal sent；

Information feedback unit, believe for the decoded result according to response signal to the base station feedback response signal quality of reception Breath, by base station according to finding that signal receiving quality information and response signal reception quality information determine that at least two specify between UE Discovery result.

Further, also include in the device：

It was found that signal decoding unit, is sent out for receiving and decoding discovery side UE in predetermined instant by predetermined resource and mode The discovery signal sent；

Quality information feedback unit, for finding signal receiving quality to base station feedback according to the decoded result for finding signal Information, determine that at least two specify according to the discovery side UE and side of the being found UE discovery signal receiving quality information sent by base station Discovery result between UE.

Further, D2D communication units are also included in the device, are used for：

Wherein, D2D configuration informations include：

Further, asset information receipt unit 1601 is additionally operable to：

Quality information feedback unit 1602 is specifically used for：

Quality information feedback unit 1602 is found upper used in signal receiving quality information by the pre-configured feedback in base station Row resource, feedback find signal receiving quality information；Or

By way of quality information feedback unit 1602 uses PDCCH dynamic dispatchings base station, dispatched to the side of being found UE One piece feedback find signal receiving quality information used in ascending resource, feedback find signal receiving quality information.

The embodiment of the present invention correspondingly provides a kind of discovery device of specified user equipment, and the device can be specially to be sent out Now square UE, as shown in figure 17, including：

Resource occupation information receiving unit 1701, determine to need to specify user equipment (UE) at least two for receiving base station Between when being found, the resource information found shared by signal of transmission；

Signal transmitting unit 1702, for sending discovery signal by predetermined resource and mode in predetermined instant；

Response signal decoding unit 1703, after receiving and decoding discovery side UE decoding discovery signal successes, predetermined The response signal that moment is sent by predetermined resource and mode；

Response signal reception quality information feedback unit 1704, for the decoded result according to response signal to base station feedback Response signal reception quality information, determine that at least two specify the hair between UE according to response signal reception quality information by base station Now result.

It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more Usable storage medium（Including but not limited to magnetic disk storage, CD-ROM, optical memory etc.）The computer program production of upper implementation The form of product.

The present invention is with reference to method according to embodiments of the present invention, equipment（System）And the flow of computer program product Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.

These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or The function of being specified in multiple square frames.

These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one The step of function of being specified in individual square frame or multiple square frames.

Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent Select embodiment and fall into having altered and changing for the scope of the invention.

Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to comprising including these changes and modification.

Claims

A kind of 1. discovery method of specified user equipment, it is characterised in that including：

When base station determines to need to be found between at least two specified user equipment (UE)s, it is determined that the side of discovery UE and the side of being found UE；

Base station notifies the resource information shared by its transmission signal of the discovery side UE and side of being found UE；

Base station received signal reception quality information, the signal receiving quality information are the discovery side UE and/or described sent out Now square UE is received and is decoded other side UE after the signal that predetermined instant is sent by predetermined resource and mode, according to the decoding of signal As a result feed back；

Base station determines that described at least two specify the discovery result between UE according to the signal receiving quality information.
2. the method as described in claim 1, it is characterised in that described its transmission of the base station notice discovery side UE and side of being found UE Resource information shared by signal, is specifically included：

Base station notifies the resource information shared by its discovery signal of the discovery side UE and side of being found UE；

The base station received signal reception quality information, the signal receiving quality information are the discovery side UE and/or described The side of being found UE is received and is decoded other side UE after the signal that predetermined instant is sent by predetermined resource and mode, according to signal Decoded result feedback, specifically include：

Base station receives receipt signal quality of reception information, and the signal receiving quality information is that the discovery side UE is received and solved The code side of being found UE is after the discovery signal that predetermined instant is sent by predetermined resource and mode, according to the decoding knot for finding signal The discovery signal receiving quality information of fruit feedback；

The base station determines that described at least two specify the discovery result between UE according to the signal receiving quality information, specifically Including：

Base station determines that described at least two specify the discovery result between UE according to the discovery signal receiving quality information.
3. the method as described in claim 1, it is characterised in that base station notifies the discovery side UE and side of being found UE that it sends signal Shared resource information, is specifically included：

Resource information shared by its discovery signal of the base station notice discovery side UE and side of being found UE and response signal；

Base station received signal reception quality information, the signal receiving quality information are the discovery side UE and/or described sent out Now square UE is received and is decoded other side UE after the signal that predetermined instant is sent by predetermined resource and mode, according to the decoding of signal As a result feed back, specifically include：

Base station received signal reception quality information, the signal receiving quality information include findings that signal receiving quality information and sound Induction signal reception quality information, the discovery signal receiving quality information are that the discovery side UE is received and decoded described be found Square UE feeds back after the discovery signal that predetermined instant is sent by predetermined resource and mode according to the decoded result for finding signal 's；Also, the response signal reception quality information is that the side of the being found UE is received and decoded the discovery side UE and correctly solves Code finds signal and after the response signal that predetermined instant is sent by predetermined resource and mode, according to the decoding knot of response signal Fruit feedback；

Or

Base station received signal reception quality information, the signal receiving quality information are that the side of the being found UE is received and decoded hair Now square UE, which is correctly decoded, finds signal and after the response signal that predetermined instant is sent by predetermined resource and mode, according to response The response signal reception quality information of the decoded result feedback of signal；

The base station determines that described at least two specify the discovery result between UE according to the signal receiving quality information, specifically Including：

Base station is at least two according to determining the discovery signal receiving quality information and the response signal reception quality information Discovery result between individual specified UE, or determine that described at least two specify UE according to the response signal reception quality information Between discovery result.
4. the method as described in claim 1-3 is any, it is characterised in that the determination discovery side UE and side of being found UE, tool Body is：

It is the side of being found UE to determine a specified UE, and it is discovery side UE to determine that remaining specifies UE；Or

Determine that at least two specify the UE side of the discovery UE and side of being found UE each other.
5. the method as described in claim 1, it is characterised in that determined in base station according to the discovery signal receiving quality information After described at least two specify the discovery result between UE, in addition to：

When the discovery result is to find that the link successfully and between at least two specified UE meets that device-to-device D2D communicates Requirement when, base station to described at least two specify UE send D2D configuration informations respectively, by described at least two specify UE according to The D2D configuration informations are configured and establish D2D communications.
6. method as claimed in claim 5, it is characterised in that specify UE to send respectively to described at least two in the base station D2D configuration informations, specify UE to be configured according to the D2D configuration informations by described at least two and establish D2D communications, specifically Including：

Base station by dedicated signaling to described at least two specify UE send respectively D2D channel configurations, each protocol layer parameter, Resource allocation and specific configuration information, and D2D channels at the time of start or predistribution resource location of setting, by it is described extremely After the completion of few two specified UE configurations at the time of the D2D channels of setting start or predistribution resource location proceeds by D2D Communication；

Base station receive it is described at least two specify UE according to the D2D channel configurations, the parameter of each protocol layer, resource allocation and Specific configuration information is carried out with postponing, and signaling is completed in the configuration of transmission.
7. the method as described in claim 1, it is characterised in that it is described find signal sending method be：

Dedicated preamble Preamble sending method；Or

Special D2D has found the sending method of signal；Or

The resource of multiplexing downstream transmission is transmitted.
8. the method as described in claim 1, it is characterised in that also include：

Base station notifies the discovery side UE and/or side of being found UE to determine to find the condition or thresholding of result；

The base station received signal reception quality information, the signal receiving quality information are the discovery side UE and/or described The side of being found UE is received and is decoded other side UE after the signal that predetermined instant is sent by predetermined resource and mode, according to signal Decoded result feedback, specifically include：

Base station received signal reception quality information, the signal receiving quality information are that discovery side UE and/or the side of being found UE connect Receive and decode other side UE after the signal that predetermined instant is sent by predetermined resource and mode, according to the decoded result of signal and institute State the condition or thresholding for determining to find result, the signal receiving quality information of feedback.
9. method as claimed in claim 1, it is characterised in that its transmission signal of the base station notice discovery side UE and side of being found UE After shared resource information, in addition to：

Base station is according to the transmission time point and decoding time point for finding signal, it is determined that UE feedbacks in the side of discovery find signal receiving quality The time point of information；And the time point for finding signal receiving quality information is fed back according to discovery side UE, pre-configured feedback finds letter Ascending resource used in number reception quality information gives discovery side UE；

Or

Base station uses the mode of PDCCH dynamic dispatchings, and dispatching one piece of feedback to discovery side UE finds signal receiving quality information institute Ascending resource.
10. method as claimed in claim 1, it is characterised in that described to find that signal is specially：

For doing the specific code of mass measurement；Or

The signal of information safe to carry, D2D group informations and personal information.
A kind of 11. discovery method of specified user equipment, it is characterised in that including：

Determine to need the discovery sent when being found between at least two specified user equipment (UE)s it was found that square UE receives base station Resource information shared by signal；

It was found that square UE receives and decoded the discovery signal that the side of being found UE is sent in predetermined instant by predetermined resource and mode；

It was found that square UE has found signal receiving quality information according to the decoded result for finding signal to base station feedback, by base station according to institute State and find that signal receiving quality information determines that described at least two specify the discovery result between UE.
12. method as claimed in claim 11, it is characterised in that also include：

It was found that square UE sends response signal in predetermined instant by predetermined resource and mode, received by the side of being found UE and decode this Response signal, and the side of being found UE according to the decoded result of response signal to base station feedback response signal reception quality information, Determine that described at least two specify according to the discovery signal receiving quality information and response signal reception quality information by base station Discovery result between UE.
13. method as claimed in claim 11, it is characterised in that also include：

It was found that square UE sends discovery signal in predetermined instant by predetermined resource and mode, received by the side of being found UE and decode this It was found that signal, and the side of being found UE have found signal receiving quality information according to the decoded result for finding signal to base station feedback, By base station described at least two are determined according to the discovery side UE and side of the being found UE discovery signal receiving quality information sent Specify the discovery result between UE.
14. method as claimed in claim 11, it is characterised in that also include：

Determine to find result to find that the link successfully and between at least two specified UE meets to set it was found that square UE receives base station During for the requirement to be communicated to equipment D2D, the D2D configuration informations of transmission；

It was found that square UE is configured according to the D2D configuration informations, and signaling is completed to base station send configuration；

It was found that square UE, according to the D2D configuration informations, at the time of the D2D channels of setting start or predistribution resource location is opened Begin to carry out D2D communications.
15. method as claimed in claim 14, it is characterised in that the D2D configuration informations include：

D2D channel configurations, the parameter of each protocol layer, resource allocation and specific configuration information, and the D2D channels of setting start At the time of or predistribution resource location.
16. method as claimed in claim 11, it is characterised in that it is described find signal sending method be：

Dedicated preamble Preamble sending method；Or

Special D2D has found the sending method of signal；Or

The resource of multiplexing downstream transmission is transmitted.
17. method as claimed in claim 11, it is characterised in that also include：

It was found that square UE receives the condition or thresholding of the determination discovery result of base station notice；

The discovery side UE has found signal receiving quality information, specific bag according to the decoded result for finding signal to base station feedback Include：

It was found that square UE has found the condition or thresholding of result according to the decoded result and the determination that find signal, to base station feedback It was found that signal receiving quality information.
18. such as the method for claim 11, it is characterised in that the side of discovery UE has found that signal receives by the pre-configured feedback in base station Ascending resource used in quality information, feedback find signal receiving quality information；Or

It was found that by way of square UE uses PDCCH dynamic dispatchings base station, one piece of feedback to discovery side UE scheduling finds signal Ascending resource used in reception quality information, feedback find signal receiving quality information.
19. such as the method for claim 11, it is characterised in that described to find that signal is specially：

For doing the specific code of mass measurement；Or

The signal of information safe to carry, D2D group informations and personal information.
20. method as claimed in claim 19, it is characterised in that when the discovery signal is information safe to carry, D2D groups letter When breath and the signal of personal information, in addition to：

The discovery side UE carries out cyclic redundancy check (CRC) according to the discovery signal.
A kind of 21. discovery method of specified user equipment, it is characterised in that including：

Determine to need the discovery sent when being found between at least two specified user equipment (UE)s it was found that square UE receives base station Resource information shared by signal and response signal；

It was found that square UE receives and decoded the discovery signal that the side of being found UE is sent in predetermined instant by predetermined resource and mode；

It was found that square UE is determined after the discovery signal is successfully decoded, response letter is sent by predetermined resource and mode in predetermined instant Number, after being received by the side of being found UE and decoded the response signal, to base station feedback response signal reception quality information, by base station root Determine that described at least two specify the discovery result between UE according to the response signal reception quality information.
A kind of 22. discovery method of specified user equipment, it is characterised in that including：

When the side of being found UE receptions base station determines to need to be found between at least two specified user equipment (UE)s, the hair of transmission Resource information shared by existing signal；

The side of being found UE sends discovery signal in predetermined instant by predetermined resource and mode, is received by discovery side UE and decodes this It was found that signal and will according to find signal decoded result to base station feedback find signal receiving quality information, by base station according to institute State and find that signal receiving quality information determines that described at least two specify the discovery result between UE.
23. method as claimed in claim 22, it is characterised in that also include：

The side of being found UE receives and decoded the response signal that discovery side UE is sent in predetermined instant by predetermined resource and mode；

The side of being found UE according to the decoded result of response signal to base station feedback response signal reception quality information, by base station according to The discovery signal receiving quality information and the response signal reception quality information are determined between described at least two specified UE Discovery result.
24. method as claimed in claim 22, it is characterised in that also include：

The side of being found UE receives and decoded the discovery signal that discovery side UE is sent in predetermined instant by predetermined resource and mode；

The side of being found UE according to find signal decoded result to base station feedback find signal receiving quality information, by base station according to The discovery signal receiving quality information that the discovery side UE and the side of being found UE are sent is determined between described at least two specified UE Discovery result.
25. method as claimed in claim 22, it is characterised in that also include：

The side of being found UE receives base station and determines to find result to find that the link successfully and between at least two specified UE meets During the requirement of device-to-device D2D communications, the D2D configuration informations of transmission；

The side of being found UE is configured according to the D2D configuration informations, and completes signaling to base station send configuration；

The side of being found UE is according to the D2D configuration informations, at the time of the D2D channels of setting start or predistribution resource location Proceed by D2D communications.
26. method as claimed in claim 25, it is characterised in that the D2D configuration informations include：

D2D channel configurations, the parameter of each protocol layer, resource allocation and specific configuration information, and the D2D channels of setting start At the time of or predistribution resource location.
27. method as claimed in claim 22, it is characterised in that it is described find signal sending method be：

Dedicated preamble Preamble sending method；Or

Special D2D has found the sending method of signal；Or

The resource of multiplexing downstream transmission is transmitted.
28. method as claimed in claim 24, it is characterised in that also include：

The side of being found UE receives the condition or thresholding of the determination discovery result of base station notice；

The side of the being found UE has found signal receiving quality information, specific bag according to the decoded result for finding signal to base station feedback Include：

The side of being found UE is anti-to base station according to the decoded result and the condition or thresholding for determining to find result for finding signal Feedback finds signal receiving quality information.
29. method as claimed in claim 24, it is characterised in that the side of being found UE has found letter by the pre-configured feedback in base station Ascending resource used in number reception quality information, feedback find signal receiving quality information；Or

By way of the side of being found UE uses PDCCH dynamic dispatchings base station, one piece of feedback to the side of being found UE scheduling is found Ascending resource used in signal receiving quality information, feedback find signal receiving quality information.
30. such as the method for claim 22, it is characterised in that described to find that signal is specially：

For doing the specific code of mass measurement；Or

The signal of information safe to carry, D2D group informations and personal information.
A kind of 31. discovery method of specified user equipment, it is characterised in that including：

When the side of being found UE receptions base station determines to need to be found between at least two specified user equipment (UE)s, the hair of transmission Resource information shared by existing signal；

The side of being found UE sends discovery signal in predetermined instant by predetermined resource and mode；

After the side of being found UE is received and decoded discovery side UE decoding discovery signal successes, pass through predetermined resource and side in predetermined instant The response signal that formula is sent；

The side of being found UE according to the decoded result of response signal to base station feedback response signal reception quality information, by base station according to The response signal reception quality information determines that described at least two specify the discovery result between UE.
A kind of 32. discovery device of specified user equipment, it is characterised in that including：

Determining unit, when needing to be found between at least two specified user equipment (UE)s for determination, it is determined that the side of discovery UE With the side of being found UE；

Notification unit, for notifying the resource information shared by its transmission signal of the discovery side UE and side of being found UE；

Receiving unit, for receipt signal quality of reception information, the signal receiving quality information be the discovery side UE and/or The side of the being found UE is received and is decoded other side UE after the signal that predetermined instant is sent by predetermined resource and mode, according to letter Number decoded result feedback signal receiving quality information；

It was found that result determining unit, for determining that described at least two specify between UE according to the signal receiving quality information It was found that result.
33. device as claimed in claim 32, it is characterised in that the notification unit is specifically used for：

Notify the resource information shared by its discovery signal of the discovery side UE and side of being found UE；

The receiving unit is specifically used for：

Receipt signal quality of reception information, the signal receiving quality information are that the discovery side UE is received and decoded described sent out Now square UE feeds back after the discovery signal that predetermined instant is sent by predetermined resource and mode according to the decoded result for finding signal Discovery signal receiving quality information；

The discovery result determining unit is specifically used for：

Determine that described at least two specify the discovery result between UE according to the discovery signal receiving quality information.
34. device as claimed in claim 32, it is characterised in that the notification unit is specifically used for：

Resource information shared by its discovery signal of the notice discovery side UE and side of being found UE and response signal；

The receiving unit is specifically used for：

Receipt signal quality of reception information, the signal receiving quality information include findings that signal receiving quality information and response are believed Number reception quality information, the discovery signal receiving quality information is that the discovery side UE is received and decoded the side of being found UE pre- After the discovery signal sent by predetermined resource and mode is carved in timing, fed back according to the decoded result for finding signal, and institute State response signal reception quality information be the side of the being found UE receive and decode discovery side UE be correctly decoded find signal and After the response signal that predetermined instant is sent by predetermined resource and mode, fed back according to the decoded result of response signal；

Or

Receipt signal quality of reception information, the signal receiving quality information are that the side of the being found UE is received and decoded discovery side UE, which is correctly decoded, finds signal and after the response signal that predetermined instant is sent by predetermined resource and mode, according to response signal Decoded result feedback response signal reception quality information；

The discovery result determining unit is specifically used for：

Determine that described at least two refer to according to the discovery signal receiving quality information and the response signal reception quality information Determine the discovery result between UE, or determine that described at least two specify between UE according to the response signal reception quality information Discovery result.
35. the device as described in claim 32-34 is any, it is characterised in that the determining unit determine discovery side UE and by It was found that square UE, is specifically included：

It is the side of being found UE to determine a specified UE, and it is discovery side UE to determine that remaining specifies UE；Or

Determine that at least two specify the UE side of the discovery UE and side of being found UE each other.
36. device as claimed in claim 32, it is characterised in that also include：

D2D connection setup units, for being to find the link successfully and between at least two specified UE when the discovery result When meeting the requirement of device-to-device D2D communications, UE is specified to send D2D configuration informations respectively to described at least two, by described At least two specify UE to be configured according to the D2D configuration informations and establish D2D communications.
37. device as claimed in claim 36, it is characterised in that the D2D connection setups unit is specifically used for：

UE is specified to send D2D channel configurations, the parameter of each protocol layer, resource respectively to described at least two by dedicated signaling Distribution and specific configuration information, and D2D channels at the time of start or predistribution resource location of setting, by described at least two After the completion of individual specified UE configuration at the time of the D2D channels of setting start or predistribution resource location proceeds by D2D communications；

Receive described at least two and specify UE according to the D2D channel configurations, the parameter of each protocol layer, resource allocation and special Configuration information is carried out with postponing, and signaling is completed in the configuration of transmission.
38. device as claimed in claim 32, it is characterised in that the notification unit is additionally operable to：

The discovery side UE and/or side of being found UE is notified to determine to find the condition or thresholding of result；

The receiving unit is specifically used for：

Receipt signal quality of reception information, the signal receiving quality information are that the discovery side UE and/or the side of being found UE connect Receive and decode other side UE after the signal that predetermined instant is sent by predetermined resource and mode, according to the decoded result of signal and institute State the condition or thresholding for determining to find result, the signal receiving quality information of feedback.
39. such as the device of claim 32, it is characterised in that the notification unit is additionally operable to：

According to the transmission time point and decoding time point for finding signal, it is determined that UE feedbacks in the side of discovery find signal receiving quality information Time point；And the time point for finding signal receiving quality information is fed back according to discovery side UE, pre-configured feedback finds that signal connects Receive the ascending resource used in quality information and give discovery side UE；

Or

Using the mode of PDCCH dynamic dispatchings, dispatch one piece of feedback to discovery side UE and find used in signal receiving quality information Ascending resource.
A kind of 40. discovery device of specified user equipment, it is characterised in that including：

Information receiving unit, sent out for receiving when base station determines and needs and found between at least two specified user equipment (UE)s That send finds the resource information shared by signal；

Decoding unit, believe for receiving and decoding the side of being found UE in the discovery that predetermined instant is sent by predetermined resource and mode Number；

Feedback unit, for finding signal receiving quality information to base station feedback according to the decoded result for finding signal, by base station Determine that described at least two specify the discovery result between UE according to the discovery signal receiving quality information.
41. device as claimed in claim 40, it is characterised in that also include：

Response unit, for sending response signal by predetermined resource and mode in predetermined instant, received simultaneously by the side of being found UE Decode the response signal, and the side of being found UE according to the decoded result of response signal to the base station feedback response signal quality of reception Information, described at least two are determined according to the discovery signal receiving quality information and response signal reception quality information by base station Specify the discovery result between UE.
42. device as claimed in claim 40, it is characterised in that also include：

Transmitting element, for sending discovery signal by predetermined resource and mode in predetermined instant, received simultaneously by the side of being found UE The discovery signal is decoded, and the side of being found UE has found signal receiving quality according to the decoded result for finding signal to base station feedback Information, by base station according to determining the discovery side UE and the side of being found UE the discovery signal receiving quality information sent at least Discovery result between two specified UE.
43. device as claimed in claim 40, it is characterised in that also including communication unit, be used for：

Base station is received to determine to find result to find that the link successfully and between at least two specified UE meets device-to-device During the requirement of D2D communications, the D2D configuration informations of transmission；

Configured according to the D2D configuration informations, and signaling is completed to base station send configuration；

According to the D2D configuration informations, at the time of the D2D channels of setting start or predistribution resource location proceeds by D2D communicates.
44. device as claimed in claim 43, it is characterised in that the D2D configuration informations include：

D2D channel configurations, the parameter of each protocol layer, resource allocation and specific configuration information, and the D2D channels of setting start At the time of or predistribution resource location.
45. device as claimed in claim 40, it is characterised in that described information receiving unit is additionally operable to：

The determination for receiving base station notice finds the condition or thresholding of result；

The feedback unit is specifically used for：

According to the decoded result and the condition or thresholding for determining to find result for finding signal, signal is found to base station feedback Reception quality information.
46. such as the device of claim 40, it is characterised in that the feedback unit finds signal by the pre-configured feedback in base station Ascending resource used in reception quality information, feedback find signal receiving quality information；Or

By way of the feedback unit uses PDCCH dynamic dispatchings base station, one piece of feedback to discovery side UE scheduling is found Ascending resource used in signal receiving quality information, feedback find signal receiving quality information.
47. as claim 40 device, it is characterised in that when it is described discovery signal be information safe to carry, D2D group informations with And personal information signal when, the decoding unit is additionally operable to：

CRC check is carried out according to the discovery signal.
A kind of 48. discovery device of specified user equipment, it is characterised in that including：

Occupied information receiving unit, determine to need to be found between at least two specified user equipment (UE)s for receiving base station When send find signal and the resource information shared by response signal；

It was found that signal decoding unit, is sent for receiving and decoding the side of being found UE in predetermined instant by predetermined resource and mode Discovery signal；

Response signal transmitting element, for determining after the discovery signal is successfully decoded, predetermined instant by predetermined resource and Mode sends response signal, and after being received by the side of being found UE and decoded the response signal, matter is received to base station feedback response signal Information is measured, determines that described at least two specify the discovery knot between UE according to the response signal reception quality information by base station Fruit.
A kind of 49. discovery device of specified user equipment, it is characterised in that including：

Asset information receipt unit, determine to need to be found between at least two specified user equipment (UE)s for receiving base station When, the resource information found shared by signal of transmission；

It was found that signal transmitting unit, for sending discovery signal by predetermined resource and mode in predetermined instant, by discovery side UE Receive and decode the discovery signal and signal receiving quality information will be found to base station feedback according to the decoded result for finding signal, Determine that described at least two specify the discovery result between UE according to the discovery signal receiving quality information by base station.
50. device as claimed in claim 49, it is characterised in that also include：

Response signal decoding unit, sent in predetermined instant by predetermined resource and mode for receiving and decode discovery side UE Response signal；

Information feedback unit, for the decoded result according to response signal to base station feedback response signal reception quality information, by Base station determines that described at least two refer to according to the discovery signal receiving quality information and the response signal reception quality information Determine the discovery result between UE.
51. device as claimed in claim 49, it is characterised in that also include：

It was found that signal decoding unit, sent in predetermined instant by predetermined resource and mode for receiving and decode discovery side UE It was found that signal；

Quality information feedback unit, for finding signal receiving quality letter to base station feedback according to the decoded result for finding signal Breath, by base station at least two according to determining the discovery side UE and side of the being found UE discovery signal receiving quality information sent Discovery result between individual specified UE.
52. device as claimed in claim 49, it is characterised in that also including D2D communication units, be used for：

Base station is received to determine to find result to find that the link successfully and between at least two specified UE meets device-to-device During the requirement of D2D communications, the D2D configuration informations of transmission；

Configured according to the D2D configuration informations, and signaling is completed to base station send configuration；

According to the D2D configuration informations, at the time of the D2D channels of setting start or predistribution resource location proceeds by D2D communicates.
53. device as claimed in claim 52, it is characterised in that the D2D configuration informations include：

D2D channel configurations, the parameter of each protocol layer, resource allocation and specific configuration information, and the D2D channels of setting start At the time of or predistribution resource location.
54. device as claimed in claim 51, it is characterised in that the asset information receipt unit is additionally operable to：

The determination for receiving base station notice finds the condition or thresholding of result；

The quality information feedback unit is specifically used for：

According to the decoded result and the condition or thresholding for determining to find result for finding signal, signal is found to base station feedback Reception quality information.
55. device as claimed in claim 51, it is characterised in that quality information feedback unit passes through the pre-configured feedback in base station It was found that the ascending resource used in signal receiving quality information, feedback finds signal receiving quality information；Or

By way of quality information feedback unit uses PDCCH dynamic dispatchings base station, one piece to the side of being found UE scheduling is anti- Feedback finds the ascending resource used in signal receiving quality information, and feedback finds signal receiving quality information.
A kind of 56. discovery device of specified user equipment, it is characterised in that including：

Resource occupation information receiving unit, determine to need to carry out between at least two specified user equipment (UE)s for receiving base station It was found that when, the resource information found shared by signal of transmission；

Signal transmitting unit, for sending discovery signal by predetermined resource and mode in predetermined instant；

Response signal decoding unit, after receiving and decoding discovery side UE decoding discovery signal successes, pass through in predetermined instant The response signal that predetermined resource and mode are sent；

Response signal reception quality information feedback unit, for the decoded result according to response signal to base station feedback response signal Reception quality information, determine that described at least two specify the hair between UE according to the response signal reception quality information by base station Now result.