CN103974379A - D2D discovery authorization processing method and system - Google Patents
D2D discovery authorization processing method and system Download PDFInfo
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- CN103974379A CN103974379A CN201310027187.XA CN201310027187A CN103974379A CN 103974379 A CN103974379 A CN 103974379A CN 201310027187 A CN201310027187 A CN 201310027187A CN 103974379 A CN103974379 A CN 103974379A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention provides a D2D discovery authorization processing method and system. The D2D discovery authorization processing method comprises the steps that network layer authorization is conducted on the discovery ability of a D2D device through D2D subscription information of the D2D device at the network layer; application layer authorization is conducted on the discovery ability of the D2D device through application layer information of the D2D device at the application layer. By means of the D2D discovery authorization processing method and system, the problems that certain blindness exists in the D2D discovery process in the prior art, device emission power consumption is wasted, and D2D discovery processing efficiency is not high are solved, and then the effect of determining the discovery ability of the D2D device is achieved.
Description
Technical field
The present invention relates to the communications field, find authorization processing method and system in particular to a kind of device-to-device D2D.
Background technology
Device-to-device (Device-to-Device, referred to as D2D) communication based on Cellular Networks is a kind of under the control of system, the new technique directly communicating between the terminal equipment of multiple support D2D functions.The D2D communication technology has been broken third generation partner program (3rd Generation Partnership Project before, referred to as 3GPP) definition Long Term Evolution (EvolvedPackage System, referred to as EPS) in system, two restrictions that wireless terminal device must just can communicate by base station or radio reception device.This D2D communication technology not only can reduce system resource and take, and increases frequency spectrum efficiency of cellular communication system, reduces terminal transmitting power consumption, and can save to a great extent network operation cost.
Fig. 1 is the system architecture diagram of the D2D technology based on Cellular Networks in correlation technique, and as shown in Figure 1, this framework comprises that two can be carried out mutually D2D and find the UE communicating by letter with D2D, the radio reception device that UE is connected to, and the network equipment and Home Environment.Wherein, radio reception device can be the evolved node (evolved Node B, referred to as eNB) of 3GPP definition, or non-3GPP access (for example, WLAN (wireless local area network) (Wireless Local Area Network, referred to as WLAN)); The network equipment can be equipment of the core network, for example, and mobile management entity (Mobile Management Entity is called for short MME), neighbours' discovery server, or the D2D server of special definition etc.; Home Environment can comprise home subscriber server (HomeSubscriber Server, referred to as HSS), application server (Application Server, referred to as AS), grouped data network gateway (Packet Data Network Gateway, referred to as P-GW) etc.
D2D technology comprises that D2D finds to communicate by letter with D2D two parts.Wherein, D2D finds to refer to when near distance is to can direct communication between wireless device time, can find each other the other side between wireless terminal device.D2D communication refers to two wireless terminal devices, after finding the other side, does not directly communicate by core net.
D2D equipment needed first to complete the discovery of other D2D equipment to closing on before carrying out D2D communication.D2D finds to refer to that a D2D equipment can and identify the features such as its identity by one or more other its existence of D2D device discovery.Current D2D discover method is mainly the identity information that is found to hold D2D device broadcasts oneself, finds that end D2D equipment carries out the search of corresponding D2D equipment identity information, the D2D identity information receiving is identified, thereby completed the discovery procedure of D2D equipment.
Adopt above-mentioned D2D discovery procedure, find owing to not judging whether end D2D equipment can be found to be found to hold D2D equipment and be found to hold D2D equipment whether can find end D2D equipment simultaneously, therefore, no matter be D2D discovering device, or all there is certain blindness in the D2D equipment that is found in D2D discovery procedure, not only waste equipment transmitting power consumption, and the treatment effeciency that D2D finds is not high yet.
Summary of the invention
The invention provides a kind of device-to-device D2D and find authorization processing method and system, in correlation technique, in D2D discovery procedure, have certain blindness at least to solve, also not high problem of the treatment effeciency that not only waste equipment transmitting power consumption, and D2D is found.
According to an aspect of the present invention, provide a kind of device-to-device D2D to find authorization processing method, having comprised: by the D2D CAMEL-Subscription-Information of D2D equipment, the ability of discovery of described D2D equipment is carried out to network layer mandate in network layer; According to the application layer message of D2D equipment, the ability of discovery of described D2D equipment is carried out to application layer mandate in application layer.
Preferably, by the D2D CAMEL-Subscription-Information of described D2D equipment, the ability of discovery of described D2D equipment being carried out to network layer mandate by core network entity in described network layer comprises: D2D CAMEL-Subscription-Information when described core network entity obtains described D2D equipment and is attached to network; Described core network entity receives the discovery request of described D2D equipment; Described core network entity carries out network layer mandate according to described D2D CAMEL-Subscription-Information to the ability of discovery of described D2D equipment.
Preferably, according to the described application layer message of described D2D equipment, the ability of discovery of described D2D equipment being carried out to application layer mandate by application server AS in described application layer comprises: application layer message when described AS obtains described D2D facility registration to described AS; Described AS receives the discovery notice request message that described core network entity sends; Described AS carries out application layer mandate according to the described application layer message getting to the ability of discovery of described D2D equipment.
Preferably, according to the application layer message of described D2D equipment, the ability of discovery of described D2D equipment is carried out to application layer mandate and comprises by being found D2D equipment in described application layer: described in be found D2D equipment and in the time being registered to application server AS, download described application layer message; The described D2D of being found equipment receives the network layer Authorization result information that the ability of discovery of described D2D equipment is carried out to network layer mandate; The described D2D of being found equipment carries out application layer mandate according to the described application layer message of downloading to the ability of discovery of described D2D equipment.
Preferably, after described network layer mandate and described application layer mandate all complete, also comprise: described core network entity sends two Authorization result information that the ability of discovery of described D2D equipment is carried out to twice mandate to described D2D equipment, wherein, described D2D equipment comprises that D2D discovering device and D2D are found equipment.
Preferably, after described network layer is carried out network layer mandate by the described D2D CAMEL-Subscription-Information of D2D equipment to the ability of discovery of described D2D equipment, also comprise: be found D2D equipment and receive the network layer Authorization result information of the ability of discovery of described D2D equipment being carried out to network layer mandate; Described in the described D2D of being found device trigger, AS carries out application layer mandate according to the described application layer message of described D2D equipment to the ability of discovery of described D2D equipment in application layer.
Preferably, described D2D CAMEL-Subscription-Information comprise following one of at least: whether described D2D equipment opens closely whether business, described D2D equipment can find other D2D equipment, whether described D2D equipment can be by other D2D device discovery.
Preferably, the application layer message of described D2D equipment comprise following one of at least: the buddy list of described D2D equipment, the black and white lists of described D2D equipment.
According to a further aspect in the invention, provide a kind of device-to-device D2D to find authorisation process system, having comprised: network layer authorized entity, for the ability of discovery of described D2D equipment being carried out to network layer mandate in network layer by the D2D CAMEL-Subscription-Information of D2D equipment; Application layer authorized entity, for carrying out application layer mandate according to the application layer message of D2D equipment to the ability of discovery of described D2D equipment in application layer.
Preferably, described network layer authorized entity is core network entity, and described core network entity comprises: the first acquisition module, the D2D CAMEL-Subscription-Information while being attached to network for obtaining described D2D equipment; The first receiver module, for receiving the discovery request of described D2D equipment; Network layer authorization module, for carrying out network layer mandate according to described D2D CAMEL-Subscription-Information to the ability of discovery of described D2D equipment.
Preferably, described application layer authorized entity is application server AS, and described AS comprises: the second acquisition module, the application layer message while arriving described AS for obtaining described D2D facility registration; The second receiver module, the discovery notice request message sending for receiving core network entity; The first application layer authorization module, for carrying out application layer mandate according to the described application layer message getting to the ability of discovery of described D2D equipment.
Preferably, described application layer authorized entity is for being found D2D equipment, described in be found D2D equipment and comprise: download module, for download described application layer message during to application server AS at the described D2D of being found facility registration; The 3rd receiver module, for receiving the network layer Authorization result information of the ability of discovery of described D2D equipment being carried out to network layer mandate; The second application layer authorization module, for carrying out application layer mandate according to the described application layer message of downloading to the ability of discovery of described D2D equipment.
Preferably, described core network entity, also for after described network layer mandate and described application layer mandate all complete, send two Authorization result information that the ability of discovery of described D2D equipment is carried out to twice mandate to described D2D equipment, wherein, described D2D equipment comprises that D2D discovering device and D2D are found equipment.
Preferably, described system also comprises: be found D2D equipment, for after described network layer is carried out network layer mandate by the described D2D CAMEL-Subscription-Information of D2D equipment to the ability of discovery of described D2D equipment, receive the network layer Authorization result information of the ability of discovery of described D2D equipment being carried out to network layer mandate; The described D2D equipment that is found, also carries out application layer mandate according to the described application layer message of described D2D equipment to the ability of discovery of described D2D equipment in application layer for triggering described AS.
Preferably, described D2D CAMEL-Subscription-Information comprise following one of at least: whether described D2D equipment opens closely whether business, described D2D equipment can find other D2D equipment, whether described D2D equipment can be by other D2D device discovery.
Preferably, the application layer message of described D2D equipment comprise following one of at least: the buddy list of described D2D equipment, the black and white lists of described D2D equipment.
By the present invention, adopt and by the D2D CAMEL-Subscription-Information of D2D equipment, the ability of discovery of described D2D equipment is carried out to network layer mandate in network layer; According to the application layer message of D2D equipment, the ability of discovery of described D2D equipment is carried out to application layer mandate in application layer, solve in D2D discovery procedure and had certain blindness, not only waste equipment transmitting power consumption, and the also not high problem for the treatment of effeciency found of D2D, and then reach the effect of clear and definite D2D device discovery ability.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the system architecture diagram of the D2D technology based on Cellular Networks in correlation technique;
Fig. 2 is the flow chart of finding authorization processing method according to the device-to-device D2D of the embodiment of the present invention;
Fig. 3 is the frame diagram of finding authorisation process system according to the device-to-device D2D of the embodiment of the present invention;
Fig. 4 is the frame diagram that while being core network entity according to the network layer authorized entity of the embodiment of the present invention, device-to-device D2D finds authorisation process system;
Fig. 5 is the frame diagram that while being application server AS according to the application layer authorized entity of the embodiment of the present invention, device-to-device D2D finds authorisation process system;
Fig. 6 is to be the frame diagram that while being found D2D equipment, device-to-device D2D finds authorisation process system according to the application layer authorized entity of the embodiment of the present invention;
Fig. 7 is the flow chart one that D2D finds in wireless communication system according to the preferred embodiment of the invention;
Fig. 8 is the flowchart 2 that D2D finds in wireless communication system according to the preferred embodiment of the invention;
Fig. 9 is the flow chart 3 that D2D finds in wireless communication system according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Provide in the present embodiment a kind of device-to-device D2D to find authorization processing method, Fig. 2 is the flow chart of finding authorization processing method according to the device-to-device D2D of the embodiment of the present invention, and as shown in Figure 2, this flow process comprises following two steps in no particular order:
Step S202, carries out network layer mandate by the D2D CAMEL-Subscription-Information of D2D equipment to the ability of discovery of described D2D equipment in network layer; This D2D CAMEL-Subscription-Information can comprise multiple, for example can comprise following one of at least: whether D2D equipment opens closely whether business, D2D equipment can find other D2D equipment, whether D2D equipment can be by other D2D device discovery;
Step S204, according to the application layer message of D2D equipment, the ability of discovery of described D2D equipment is carried out to application layer mandate in application layer, the application layer message of this D2D equipment also can comprise multiple, for example, can comprise following one of at least: the buddy list of D2D equipment, the black and white lists of D2D equipment.
Pass through above-mentioned steps, in network layer, the ability of discovery of D2D equipment is authorized respectively, and in application layer, the ability of discovery of D2D equipment is applied to mandate, with respect in correlation technique before carrying out D2D devices communicating, D2D equipment is carried out to random search, not only waste the transmitting power consumption of equipment, and the treatment effeciency of D2D device discovery is not high yet, by D2D equipment is authorized, not only reduce the transmitting power consumption of equipment, and greatly improve the treatment effeciency of D2D device discovery, make D2D devices communicating more smooth, improve significantly to a certain extent user's experience.
Respectively core network entity is carried out to network layer mandate below, application server AS is carried out application layer mandate, and is found to hold D2D equipment to carry out application layer mandate to describe.
By the D2D CAMEL-Subscription-Information of D2D equipment, the ability of discovery of D2D equipment being carried out to network layer mandate in network layer by core network entity comprises: D2D CAMEL-Subscription-Information when this core network entity obtains D2D equipment and is attached to network, in the time that D2D equipment is attached to network, home subscriber server (Home Subscriber Server, referred to as HSS) the D2D CAMEL-Subscription-Information of storage D2D equipment, core network entity obtains the D2D CAMEL-Subscription-Information of this D2D equipment from HSS; D2D equipment sends the request of D2D device discovery to core network entity, and core network entity receives after the discovery request of D2D equipment, according to D2D CAMEL-Subscription-Information, the ability of discovery of D2D equipment is carried out to network layer mandate.
According to the application layer message of D2D equipment, the ability of discovery of D2D equipment being carried out to application layer mandate in application layer by application server AS comprises: application layer message when AS obtains described D2D facility registration to described AS, at D2D facility registration during to AS, the application layer message of this D2D equipment of application server for storage; D2D equipment sends and finds to notice request message to AS, and AS, after request message is noticed in the discovery that receives core network entity transmission, carries out application layer mandate according to the application layer message getting to the ability of discovery of D2D equipment.
According to the application layer message of D2D equipment, the ability of discovery of D2D equipment is carried out to application layer mandate in application layer and comprise by being found D2D equipment: be found D2D equipment and in the time being registered to application server AS, download application layer message,, in the time being found to hold D2D facility registration to AS, this D2D equipment is downloaded the application layer message of registration from this AS; Be found D2D equipment and receive the network layer Authorization result information that the ability of discovery of D2D equipment is carried out to network layer mandate; This is found D2D equipment, according to the application layer message of downloading, the ability of discovery of D2D equipment is carried out to application layer mandate.It should be noted that, in the time carrying out application layer mandate according to the application layer message that is found D2D device downloads, being found step that D2D equipment receives the network layer Authorization result information sending from core network entity is in no particular order with being found the process that D2D equipment carries out application layer mandate according to the application layer message of downloading, also can first be found D2D equipment, according to the application layer message of downloading, the ability of discovery of D2D equipment be carried out to application layer mandate, then receive again the network layer Authorization result information that the ability of discovery of D2D equipment is carried out to network layer mandate that core network entity sends.
According to the difference of network layer mandate and application layer authorization, carry out both sides' (the included D2D discovering device of D2D equipment and D2D are found equipment) of D2D discovery procedure, the mode of obtaining two Authorization result information also can be different, for example, after network layer mandate and application layer mandate all complete, can inform two Authorization result information of two D2D equipment by core network entity unification,, core network entity sends two Authorization result information that the ability of discovery of D2D equipment is carried out to twice mandate to D2D equipment.
Also for example, after network layer is carried out network layer mandate by the D2D CAMEL-Subscription-Information of D2D equipment to the ability of discovery of D2D equipment, the network layer Authorization result information of the ability of discovery of D2D equipment being carried out to network layer mandate is sent to the D2D equipment that is found by core network entity, be found after D2D equipment receives this network layer Authorization result information, to trigger AS and according to the application layer message of D2D equipment, the ability of discovery of D2D equipment is carried out to application layer mandate in application layer.Then, AS carries out application layer mandate in application layer to the ability of discovery of D2D equipment, and application layer Authorization result information is sent to respectively to D2D equipment both sides.
It should be noted that, above-mentioned be found to hold D2D equipment according to before after the application layer message downloaded carries out application layer mandate, also need application layer Authorization result information to send to core network entity, then by core network entity just this application layer Authorization result information send to the end D2D equipment of finding.
Also provide in the present embodiment a kind of device-to-device D2D to find authorisation process system, this system is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, or the realization of the combination of software and hardware also may and be conceived.
Fig. 3 is the frame diagram of finding authorisation process system according to the device-to-device D2D of the embodiment of the present invention, and as shown in Figure 2, this system comprises network layer authorized entity 32 and application layer authorized entity 34, below this system is described.
Network layer authorized entity 32, for carrying out network layer mandate by the D2D CAMEL-Subscription-Information of D2D equipment to the ability of discovery of D2D equipment in network layer; Application layer authorized entity 34, for carrying out application layer mandate according to the application layer message of D2D equipment to the ability of discovery of D2D equipment in application layer.
Fig. 4 is the frame diagram that while being core network entity according to the network layer authorized entity of the embodiment of the present invention, device-to-device D2D finds authorisation process system, as shown in Figure 4, this core network entity comprises the first acquisition module 42, the first receiver module 44 and network layer authorization module 46, below this core network entity is described.
The first acquisition module 42, the D2D CAMEL-Subscription-Information while being attached to network for obtaining D2D equipment; The first receiver module 44, is connected to above-mentioned the first acquisition module 42, for receiving the discovery request of D2D equipment; Network layer authorization module 46, is connected to above-mentioned the first receiver module 44, for the ability of discovery of D2D equipment being carried out to network layer mandate according to D2D CAMEL-Subscription-Information.
Fig. 5 is the frame diagram that while being application server AS according to the application layer authorized entity of the embodiment of the present invention, device-to-device D2D finds authorisation process system, as shown in Figure 5, this AS comprises: the second acquisition module 52, the second receiver module 54 and the first application layer authorization module 56, describe this AS below.
The second acquisition module 52, the application layer message when obtaining D2D facility registration to AS; The second receiver module 54, is connected to above-mentioned the second acquisition module 52, the discovery notice request message sending for receiving core network entity; The first application layer authorization module 56, is connected to above-mentioned the second receiver module 54, for the ability of discovery of D2D equipment being carried out to application layer mandate according to the application layer message getting.
Fig. 6 is to be the frame diagram that while being found D2D equipment, device-to-device D2D finds authorisation process system according to the application layer authorized entity of the embodiment of the present invention, as shown in Figure 6, this is found D2D equipment and comprises download module 62, the 3rd receiver module 64 and the second application layer authorization module 66, below this is found D2D equipment and is described.
Download module 62, for downloading application layer message in the time being found D2D facility registration to application server AS; The 3rd receiver module 64, is connected to above-mentioned download module 62, for receiving the network layer Authorization result information of the ability of discovery of D2D equipment being carried out to network layer mandate; The second application layer authorization module 66, is connected to above-mentioned the 3rd receiver module 64, for the ability of discovery of D2D equipment being carried out to application layer mandate according to the application layer message of downloading.
Preferably, above-mentioned core network entity, also, for after network layer mandate and application layer mandate all complete, sends two Authorization result information that the ability of discovery of D2D equipment is carried out to twice mandate to D2D equipment, wherein, this D2D equipment comprises that D2D discovering device and D2D are found equipment.
Preferably, what this system also comprised is found D2D equipment, also, for after network layer is carried out network layer mandate by the D2D CAMEL-Subscription-Information of D2D equipment to the ability of discovery of D2D equipment, receive the network layer Authorization result information of the ability of discovery of D2D equipment being carried out to network layer mandate; Be found D2D equipment, also according to the application layer message of D2D equipment, the ability of discovery of D2D equipment carried out to application layer mandate in application layer for triggering this AS.
It should be noted that, in said system related D2D CAMEL-Subscription-Information comprise following one of at least: whether D2D equipment opens closely whether business, D2D equipment can find other D2D equipment, whether D2D equipment can be by other D2D device discovery.The application layer message of related D2D equipment comprise following one of at least: the buddy list of D2D equipment, the black and white lists of D2D equipment.
For the problem of the mandate to D2D device discovery ability how in correlation technique.In the present embodiment, before the D2D of D2D equipment discovery procedure, suppose: each UE has a mark that is used for doing short-range communication, be similar to the mark of bluetooth the inside, and on UE, can configure closely function and whether open; HSS only signing UE whether open closely business, this UE whether can find other UE, whether can be by information such as other UE discoveries; The buddy list of the concrete application of UE still safeguarded by server corresponding to concrete application, for example, and QQ good friend; The black and white lists of concrete application is safeguarded in corresponding application server; If the general black and white lists of UE short-range communication should be safeguarded in UE.
According to above-mentioned supposition for making the mark of short-range communication, the authorization method of D2D discovery procedure in a kind of wireless communication system has been proposed in the present embodiment, the method major embodiment the mechanism of two-layer mandate, one, once authorized by the subscription data of D2D equipment by core network entity in network layer, two, carry out secondary mandate in application layer according to information such as the buddy lists of preserving in application server.
Above-mentioned two-layer licensing scheme comprises: D2D equipment is in the time being attached to network, and MME receives and preserve user's D2D subscription data from HSS; User, in the time being registered to application server, carries user's discovery ID, and application server is preserved this user's application ID and the corresponding relation of finding ID; MME receives after the discovery request that is found D2D equipment, authorizes for the first time according to subscription data, if by continuing subsequent step, otherwise refusal; Application server is received after the discovery notice message of MME transmission, is again carried out the mandate of application layer.
In above-mentioned two-layer licensing scheme, the information of the signing UE of HSS can have multiple, also can be the combination of much information, for example, can be UE whether open the information of business closely, also can be this UE information that whether can find other UE, can also be the information whether this UE can be found by other UE, etc.;
In UE, can safeguard the general black and white lists for all application, can be after two-layer mandate or before judge;
Find that D2D equipment, in the time sending discovery request message, need to carry the discovery ID of self; And be found D2D equipment in the time sending discovery request message, need to carry the discovery ID of discovering device and the discovery ID of self;
According to the difference of twice grant triggers mechanism, can adopt different execution modes, for example, while triggering the licensing process of application layer by MME, after two-layer mandate, inform two D2D device discovery results by MME unification; In result now, carry discovery ID or the application layer ID of two D2D equipment; Again for example, by being found D2D equipment while triggering the licensing process of application layer, after MME authorizes for the first time, result can be responded to being found D2D equipment; Then authorize for the second time by being found D2D device trigger; Also for example, if be found D2D equipment in the time that application layer is registered, download buddy list, can, after MME authorizes for the first time, directly authorize for the second time in this locality according to the application layer message of storage before by being found D2D equipment.
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is described.
Fig. 7 is the flow chart one that D2D finds in wireless communication system according to the preferred embodiment of the invention, as shown in Figure 7, the preferred embodiment shows possesses the UE1 of D2D function and object UE is positioned at same eNB scope and under same MME time, source UE1 finds the D2D discovery procedure of object UE.The feature of the preferred embodiment is to be triggered and carried out application layer licensing process by MME.This flow process comprises the steps:
Step S702, UE1 completes and adheres to (attach) process at MME;
Step S704, in the process of adhering at UE1, MME obtains the D2D subscription data (or claiming CAMEL-Subscription-Information) of UE1 from HSS, and is kept at this locality.Wherein, the D2D subscription data of UE1 comprises: UE1 whether open signing, whether can initiatively find, whether can passively discover parameter, etc.;
Step S706, UE1 completes the registration in AS, carries UE1 and find ID1 parameter in message.AS preserves the application layer ID1 of UE1 and finds the corresponding relation of ID1;
Step S708, UE2 completes and adheres to (attach) process at MME;
Step S710, in the process of adhering at UE2, MME obtains the D2D subscription data of UE2 from HSS, and is kept at this locality.Wherein, the D2D subscription data of UE2 comprise UE2 whether open signing, whether can initiatively find, whether can passively discover parameter, etc.;
Step S712, UE2 completes the registration in AS, carries UE2 and find ID2 parameter in message.AS preserves the application layer ID2 of UE2 and finds the corresponding relation of ID2;
Step S714, UE1 sends D2D and finds message, carries the discovery ID1 of UE1 in message;
Step S716, UE2 receives that the D2D that UE1 sends finds, after message, to send and find request message to MME, carries the discovery ID1 of UE1 and the discovery ID2 of UE2 self in message;
Step S718, MME receives that the D2D of UE2 finds, after request message, first, according to the UE1 preserving before and the D2D CAMEL-Subscription-Information of UE2, to judge between UE1 and UE2 whether can find, whether can be found; If can find, MME sends and finds notice message to AS, carries and find ID1 and find ID2 in message; AS is according to the application layer message of UE1 and UE2, and for example, whether buddy list etc., again judge between UE1 and UE2 whether can find, can be found;
Step S720, AS sends and finds announce response message to MME, and the result that can comprise in this announce response message can be multiple, for example: comprise and between UE1 and UE2, all can find and can be found; Comprise between UE1 and UE2 and all can not find to be found; Comprise UE1 and can find UE2, and UE2 can not find UE1; Comprise UE1 and can find UE2, and UE2 can not be found by UE1; Comprising UE1 can be found by UE2, and UE2 can not be found by UE1; Comprising UE1 can not be found by UE2, and UE2 can be found by UE1; Etc. operable result;
Step S722, MME sends and finds response message to UE2, carries above-mentioned discovery object information (with step S720) in message;
Step S724, MME sends and finds response message to UE1, carries above-mentioned discovery object information (with step S720) in message.
Fig. 8 is the flowchart 2 that D2D finds in wireless communication system according to the preferred embodiment of the invention, as shown in Figure 8, the preferred embodiment shows possesses the UE1 of D2D function and object UE is positioned at same eNB scope and under same MME time, source UE1 finds the D2D discovery procedure of object UE.The feature of the preferred embodiment is there is no interface between MME and AS, is triggered and is carried out application layer licensing process by UE2.This flow process comprises the steps:
Step S802, UE1 completes the attaching process at MME;
Step S804, in the process of adhering at UE1, MME obtains the D2D subscription data of UE1 from HSS, and is kept at this locality.Comprising UE1 whether open signing, whether can initiatively find, whether can passively discover parameter, etc.;
Step S806, UE1 completes the registration in AS, carries UE1 and find ID1 parameter in message.AS preserves the application layer ID1 of UE1 and finds the corresponding relation of ID1;
Step S808, UE2 completes the attaching process at MME;
Step S810, in the process of adhering at UE2, MME obtains the D2D subscription data of UE2 from HSS, and is kept at this locality.Comprising UE2 whether open signing, whether can initiatively find, whether can passively discover parameter, etc.;
Step S812, UE2 completes the registration in AS, carries UE2 and find ID2 parameter in message.AS preserves the application layer ID2 of UE2 and finds the corresponding relation of ID2;
Step S814, UE1 sends D2D and finds message, carries the discovery ID1 of UE1 in message;
Step S816, UE2 receives that the D2D that UE1 sends finds, after message, to send and find request message to MME, carries the discovery ID1 of UE1 and the discovery ID2 of self in message; MME receives that the D2D of UE2 finds, after request message, first, according to the UE1 preserving before and the D2D CAMEL-Subscription-Information of UE2, to judge between UE1 and UE2 whether can find, whether can be found;
Step S818, MME sends and finds results messages to UE2, carries and find ID1 and find ID2 in message;
Step S820, UE2 sends and finds notice message to AS, carries and find ID1 and find ID2 in message; Whether AS, according to the application layer message of UE1 and UE2, such as buddy list etc., again judges between UE1 and UE2 whether can find, can be found;
Step S822, AS sends and finds response message to UE2, carries discovery object information in message, and the result that can comprise in this discovery object information can be multiple, for example: comprise and between UE1 and UE2, all can find and can be found; Comprise between UE1 and UE2 and all can not find to be found; Comprise UE1 and can find UE2, and UE2 can not find UE1; Comprise UE1 and can find UE2, and UE2 can not be found by UE1; Comprising UE1 can be found by UE2, and UE2 can not be found by UE1; Comprising UE1 can not be found by UE2, and UE2 can be found by UE1; Etc. operable result;
Step S824, AS sends and finds response message to UE1, carries and find object information (the result kind that this packets of information contains is as above-mentioned steps S822) in message.
Fig. 9 is the flow chart 3 that D2D finds in wireless communication system according to the preferred embodiment of the invention, as shown in Figure 9, the preferred embodiment shows possesses the UE1 of D2D function and object UE is positioned at same eNB scope and under same MME time, source UE1 finds the D2D discovery procedure of object UE.The feature of the preferred embodiment is there is no interface between MME and AS, and UE2 preserves the information such as buddy list/black and white lists of upgrading in time, is triggered and is carried out application layer licensing process by UE2.This flow process comprises the steps:
Step S902, UE1 completes the attaching process at MME;
Step S904, in the process of adhering at UE1, MME obtains the D2D subscription data of UE1 from HSS, and is kept at this locality.Comprising UE1 whether open signing, whether can initiatively find, whether can passively discover parameter, etc.;
Step S906, UE1 completes the registration in AS, carries UE1 and find ID1 parameter in message.AS preserves the application layer ID1 of UE1 and finds the corresponding relation of ID1;
Step S908, UE2 completes the attaching process at MME;
Step S910, in the process of adhering at UE2, MME obtains the D2D subscription data of UE2 from HSS, and is kept at this locality.Comprising UE2 whether open signing, whether can initiatively find, whether can passively discover parameter, etc.;
Step S912, UE2 completes the registration in AS, carries UE2 and find ID2 parameter in message; AS preserves the application layer ID2 of UE2 and finds the corresponding relation of ID2; UE2 preserves the information such as the buddy list/black and white lists upgrading in time;
Step S914, UE1 sends D2D and finds message, carries the discovery ID1 of UE1 in message;
Step S916, UE2 receives that the D2D that UE1 sends finds, after message, to send and find request message to MME, carries the discovery ID1 of UE1 and the discovery ID2 of self in message; MME receives that the D2D of UE2 finds, after request message, first, according to the UE1 preserving before and the D2D CAMEL-Subscription-Information of UE2, to judge between UE1 and UE2 whether can find, whether can be found;
Step S918, MME sends and finds results messages to UE2, carries and find ID1 and find ID2 in message;
UE2 receives to find, after results messages, first, according to the UE1 preserving before and the application layer message of UE2, such as buddy list/black and white lists etc., again to judge between UE1 and UE2 whether can find, whether can be found;
Step S920, UE2 sends and finds notice message to MME, carries discovery object information in message, and the result that can comprise in this discovery object information can be multiple, for example: comprise and between UE1 and UE2, all can find and can be found; Comprise between UE1 and UE2 and all can not find to be found; Comprise UE1 and can find UE2, and UE2 can not find UE1; Comprise UE1 and can find UE2, and UE2 can not be found by UE1; Comprising UE1 can be found by UE2, and UE2 can not be found by UE1; Comprising UE1 can not be found by UE2, and UE2 can be found by UE1; Etc. operable result;
Step S922, MME sends and finds response message to UE1, carries and find object information (the result kind that this packets of information contains is as above-mentioned steps S920) in message.
It should be noted that, above-described embodiment and preferred implementation are not limited to 3GPP LTE system, its associative mode can be applied in other wireless communication system.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (16)
1. device-to-device D2D finds an authorization processing method, it is characterized in that, comprising:
By the D2D CAMEL-Subscription-Information of D2D equipment, the ability of discovery of described D2D equipment is carried out to network layer mandate in network layer;
According to the application layer message of D2D equipment, the ability of discovery of described D2D equipment is carried out to application layer mandate in application layer.
2. method according to claim 1, is characterized in that, by the D2D CAMEL-Subscription-Information of described D2D equipment, the ability of discovery of described D2D equipment is carried out to network layer mandate comprise in described network layer by core network entity:
D2D CAMEL-Subscription-Information when described core network entity obtains described D2D equipment and is attached to network;
Described core network entity receives the discovery request of described D2D equipment;
Described core network entity carries out network layer mandate according to described D2D CAMEL-Subscription-Information to the ability of discovery of described D2D equipment.
3. method according to claim 1, is characterized in that, according to the described application layer message of described D2D equipment, the ability of discovery of described D2D equipment is carried out to application layer mandate comprise in described application layer by application server AS:
Application layer message when described AS obtains described D2D facility registration to described AS;
Described AS receives the discovery notice request message that core network entity sends;
Described AS carries out application layer mandate according to the described application layer message getting to the ability of discovery of described D2D equipment.
4. method according to claim 2, is characterized in that, according to the application layer message of described D2D equipment, the ability of discovery of described D2D equipment is carried out to application layer mandate and comprises by being found D2D equipment in described application layer:
The described D2D of being found equipment is downloaded described application layer message in the time being registered to application server AS;
The described D2D of being found equipment receives the network layer Authorization result information that the ability of discovery of described D2D equipment is carried out to network layer mandate;
The described D2D of being found equipment carries out application layer mandate according to the described application layer message of downloading to the ability of discovery of described D2D equipment.
5. method according to claim 2, is characterized in that, after described network layer mandate and described application layer mandate all complete, also comprises:
Described core network entity sends two Authorization result information that the ability of discovery of described D2D equipment is carried out to twice mandate to described D2D equipment, wherein, described D2D equipment comprises that D2D discovering device and D2D are found equipment.
6. according to the method described in claim 1 or 3, it is characterized in that, after described network layer is carried out network layer mandate by the described D2D CAMEL-Subscription-Information of D2D equipment to the ability of discovery of described D2D equipment, also comprise:
Be found D2D equipment and receive the network layer Authorization result information of the ability of discovery of described D2D equipment being carried out to network layer mandate;
Described in the described D2D of being found device trigger, AS carries out application layer mandate according to the described application layer message of described D2D equipment to the ability of discovery of described D2D equipment in application layer.
7. according to the method described in any one in claim 1 to 5, it is characterized in that, described D2D CAMEL-Subscription-Information comprise following one of at least:
Whether described D2D equipment opens closely whether business, described D2D equipment can find other D2D equipment, whether described D2D equipment can be by other D2D device discovery.
8. according to the method described in any one in claim 1 to 5, it is characterized in that, the application layer message of described D2D equipment comprise following one of at least:
The buddy list of described D2D equipment, the black and white lists of described D2D equipment.
9. device-to-device D2D finds an authorisation process system, it is characterized in that, comprising:
Network layer authorized entity, for carrying out network layer mandate by the D2D CAMEL-Subscription-Information of D2D equipment to the ability of discovery of described D2D equipment in network layer;
Application layer authorized entity, for carrying out application layer mandate according to the application layer message of D2D equipment to the ability of discovery of described D2D equipment in application layer.
10. system according to claim 9, is characterized in that, described network layer authorized entity is core network entity, and described core network entity comprises:
The first acquisition module, the D2D CAMEL-Subscription-Information while being attached to network for obtaining described D2D equipment;
The first receiver module, for receiving the discovery request of described D2D equipment;
Network layer authorization module, for carrying out network layer mandate according to described D2D CAMEL-Subscription-Information to the ability of discovery of described D2D equipment.
11. systems according to claim 9, is characterized in that, described application layer authorized entity is application server AS, and described AS comprises:
The second acquisition module, the application layer message while arriving described AS for obtaining described D2D facility registration;
The second receiver module, the discovery notice request message sending for receiving core network entity;
The first application layer authorization module, for carrying out application layer mandate according to the described application layer message getting to the ability of discovery of described D2D equipment.
12. systems according to claim 9, is characterized in that, described application layer authorized entity is for being found D2D equipment, described in be found D2D equipment and comprise:
Download module, for downloading described application layer message during to application server AS at the described D2D of being found facility registration;
The 3rd receiver module, for receiving the network layer Authorization result information of the ability of discovery of described D2D equipment being carried out to network layer mandate;
The second application layer authorization module, for carrying out application layer mandate according to the described application layer message of downloading to the ability of discovery of described D2D equipment.
13. systems according to claim 10, is characterized in that,
Described core network entity, also for after described network layer mandate and described application layer mandate all complete, send two Authorization result information that the ability of discovery of described D2D equipment is carried out to twice mandate to described D2D equipment, wherein, described D2D equipment comprises that D2D discovering device and D2D are found equipment.
14. according to the system described in claim 9 or 11, it is characterized in that, also comprises:
Be found D2D equipment, for after described network layer is carried out network layer mandate by the described D2D CAMEL-Subscription-Information of D2D equipment to the ability of discovery of described D2D equipment, receive the network layer Authorization result information of the ability of discovery of described D2D equipment being carried out to network layer mandate;
The described D2D equipment that is found, also carries out application layer mandate according to the described application layer message of described D2D equipment to the ability of discovery of described D2D equipment in application layer for triggering described AS.
15. according to the system described in any one in claim 9 to 13, it is characterized in that, described D2D CAMEL-Subscription-Information comprise following one of at least:
Whether described D2D equipment opens closely whether business, described D2D equipment can find other D2D equipment, whether described D2D equipment can be by other D2D device discovery.
16. according to the system described in any one in claim 9 to 13, it is characterized in that, the application layer message of described D2D equipment comprise following one of at least:
The buddy list of described D2D equipment, the black and white lists of described D2D equipment.
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