CN103517245B - A kind of charging method and system of D2D communications - Google Patents

A kind of charging method and system of D2D communications Download PDF

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Publication number
CN103517245B
CN103517245B CN201210208061.8A CN201210208061A CN103517245B CN 103517245 B CN103517245 B CN 103517245B CN 201210208061 A CN201210208061 A CN 201210208061A CN 103517245 B CN103517245 B CN 103517245B
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China
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communication
communications
information
enodeb
charge information
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CN201210208061.8A
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Chinese (zh)
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CN103517245A (en
Inventor
刘晴
谢宝国
李志军
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • H04L12/1407—Policy-and-charging control [PCC] architecture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/64—On-line charging system [OCS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/65—Off-line charging system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66—Policy and charging system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/67—Transmitting arrangements for sending billing related information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Meter Arrangements (AREA)

Abstract

The invention discloses the charging method and system of a kind of D2D communications, the terminal with terminal-to-terminal service (D2D) communication capacity sends D2D communication requests to base station (eNodeB)；The charge information that eNodeB communicates for D2D corresponding to the acquisition of D2D communication requests, and charge information is reported Online Charging System (OCS) or off-line accounting system (OFCS)；The charging that OCS or OFCS carries out D2D communications according to charge information is handled.The charging of D2D communications can be realized by the present invention.

Description

A kind of charging method and system of D2D communications
Technical field
The present invention relates to terminal-to-terminal service (D2D) communication technical field, particularly relate to a kind of D2D communications charging method and System.
Background technology
In mobile communications, communication can occur in user equipment (User Equipment, referred to as UE) and application clothes It is engaged between device (Application Server, referred to as AS), it is also possible to occur between two user equipmenies.Two users set Communication between standby may pass through AS transfers, it is also possible to be carried out between two user equipmenies by IP traffic end to end. In this case, communicated even if two UE are realized under same base station by IP, IP packets, which must also travel back across, to be located at The grouped data network gateway (Packet Data Network Gateway, referred to as PGW) or gateway GPRS Zhi Chijie on upper strata Purpose UE is re-send to after point (Gateway GPRS Supporting Node, referred to as GGSN), especially works as GGSN/PGW (GGSN or PGW) is located at home network, and two UE mutually communicated are all located at visiting when netting, and media route phenomenon is especially prominent, IP traffic generates roundabout phenomenon.
As social networking application and location-based communication etc. apply more and more extensive, (the same base in same region Stand down, in the range of adjacent base station) data traffic it is increasing, these data traffics are required to travel back across the GGSN/ of core net PGW, return bandwidth requirement is considerably increased, increase the time delay of IP communications, also increase GGSN/PGW burden.Therefore, it is Reply data traffic increased requirement, operator must increase more GGSN/PGW equipment, still, the monthly receipts of each user Downward trend is but presented in expense, and such case also make it that the investment of operator and income are more and more unbalance.
For these reasons, industry proposes a kind of technology of direct-connected communication between similar WIFI adjacent terminal end, i.e., when more When individual UE is closer to each other, terminal-to-terminal service (the Device to Device directly to be communicated between UE are supported Communication, D2D) communication technology.At present, the D2D application scenarios of research mainly have two kinds：Peer-to-peer communications and relaying are logical Letter.Peer-to-peer communications scene as shown in Figure 1, refer to carrying out communication data between the mobile terminal of D2D communications without Base station；Trunking traffic scene, referring to carrying out the communication data between the mobile terminal of D2D communications only needs to pass by base station It is defeated, without travelling back across upper layer network.The above-mentioned D2D communication technologys can bring many benefits to traditional mobile communication, such as：Drop Low network traffic data, the offer cost for reducing existing local service, network capacity is improved to increase income, according to customer location Value-added service is provided with situation, and attracts more local services.Above-mentioned advantage can promote D2D communications and traditional mobile honeybee Nest is network coexisted, supplement and enhancing as cellular communication.Meanwhile operator also is intended to count such D2D communication services Take, to obtain more be benefited.
It is illustrated in figure 2 the configuration diagram of offline charging of the prior art.Charging triggering function (Charging Trigger Function, abbreviation CTF) it is embedded in each network element (including core network domain network element, subsystem domain network element, service class net Member) in, the function that it is mainly realized is：According to the Internet usage situation monitored, the collection of charge information is carried out, and is led to Cross Rf interface (Offline Charging Reference Point) can charge information be sent to charging data function (Charging Data Function, abbreviation CDF)；CDF major function is to receive the charging request message that CTF is sent (Accounting Request, abbreviation ACR), produce corresponding charging data record (Charging Data Record, abbreviation CDR), and by Ga interfaces it is sent to Charging Gateway Functionality (Charging Gateway Function, abbreviation CGF)；CGF's Major function is：The CDR received from CDF is stored and managed, and CDR files are sent to by billing domain by Bi (Billing Domain, abbreviation BD).
It is illustrated in figure 3 the configuration diagram of online charging of the prior art.CTF is embedded in each network element (including core Domain network element, subsystem domain network element, service class network element) in, the function that it is mainly realized is：Internet resources according to monitoring make With situation, the collection of charge information is carried out, and by Ro interface (Online Charging Reference Point) can count Charge information is sent to online charging function (Online Charging Function, abbreviation OCF)；OCF major function is：Connect Receive CTF send credit control request information (Credit Control Request, abbreviation CCR), and with account balance management Function (Account Balance Management Function, abbreviation ABMF) and scaling function (Rating Function, Abbreviation RF) information exchange is carried out, for obtaining the mandate of charging event or Internet usage.ABMF major function is：It is right The account balance and account credit rating of user is managed；RF major function is：For wholesale price processing, determine charging event or The price of Internet usage.
Above-mentioned core network domain network element includes：Packet switch (Packet Switching, abbreviation PS) network element, such as service GPRS Supporting node (Serving General Packet Radio Service Support Node, abbreviation SGSN), GGSN；Drill Packet-based core networks (Evolved Packet Core, abbreviation EPC) network element entered, such as gateway (Serving-GateWay, letter Claim S-GW), packet data network gateway (Packet Data Network-GateWay, abbreviation P-GW).
Above-mentioned subsystem domain network element includes：IMS domain network element, such as agency/service/enquiry call conversation control function (Proxy/Serving/Interrogation-Call Session Control Function, abbreviation P/S/I-CSCF), go out Mouth gateway control function (Breakout Gateway Control Function, abbreviation BGCF), application server (Application Server, abbreviation AS) etc..
Above-mentioned service class network element includes：Multimedia Messaging Service network element (Multimedia Messaging Service, letter Claim MMS), short message service center (Short Message Service-Service Centre, abbreviation SMS-SC), broadcast group broadcast industry Business center (Broadcast Multicast-Service Centre, abbreviation BM-SC) etc..
The billing network of current collecting charging information is can be seen that from Fig. 2 and Fig. 3 existing offline, online charging Organization Chart Member is all located in network the level on relatively.And in the business of D2D communications, terminal user used caused by D2D communications Family face data are possible to only transmit by base station (eNodeB) or between two D2D terminals, and without travelling back across core net Network element above is transmitted.This make it that in the mobile network of operator that network element more than core net can not collect terminal use The D2D communication datas at family are sent to charge system, therefore can not carry out charging to the use that D2D communicates.
For these reasons, it is necessary to propose a kind of charging method applied to D2D communications so that charge system can be filled Divide the charge information such as effective charge information, type of service and transmission data in identification D2D communications.However, prior art is also Can not provide can reach the solution of above-mentioned purpose.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of charging method and system of D2D communications, to realize The charging of D2D communications.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The invention provides a kind of charging method of D2D communications, including：
Terminal with terminal-to-terminal service (D2D) communication capacity sends D2D communication requests to base station (eNodeB)；
The charge information that the eNodeB communicates for D2D corresponding to D2D communication requests acquisition, and the charging Information reporting is to Online Charging System (OCS) or off-line accounting system (OFCS)；
The charging that the OCS or OFCS carry out D2D communications according to the charge information is handled.
The D2D communication requests are to carry the radio resource control information (RRC) of D2D communication identifiers；Or
The D2D communication requests are special D2D communication informations.
D2D types of service mark, the business for the D2D communications that instruction terminal request is initiated are carried in the D2D communication requests Type.
The charge information comprises at least：The D2D communication identifiers.
The charge information also includes D2D types of service mark and/or D2D business service condition information；
The D2D business service condition information includes a kind of or more in flow information, temporal information and spectrum information Kind.
The eNodeB obtains the charge information, including：
By the title of the special D2D communication informations, the eNodeB identifies that the special D2D communication informations are D2D communication requests, and obtain the default D2D communication identifiers；Or
The D2D communication identifiers are obtained from the RRC.
The eNodeB obtains the charge information, including：
The D2D types of service mark is obtained from the D2D communication requests；
And/or
When D2D communications use peer-to-peer communications mode, the eNodeB is raw after for D2D allocation of communications LTE frequency spectrum resources Into corresponding spectrum information；Or when D2D communications use trunking traffic mode, the eNodeB is perceived in real time carries out D2D The flow of the D2D communications of the terminal of communication and/or time, and flow information and/or temporal information corresponding to generation.
It is described that the charge information is reported OCS or OFCS, including：
The charge information is directly sent to OCS or OFCS by the eNodeB by D2D accounting requests；Or
The charge information is sent to MME by the eNodeB by statistical message, then passes through D2D accounting requests by MME It is sent to OCS or OFCS；
Or
Charge information is sent to SGW or PGW by the eNodeB by statistical message, then is counted by SGW or PGW by D2D Expense request is sent to OCS or OFCS.
When the charge information is sent into the OCS, the D2D accounting requests use credit control request information (CCR)；
When the charge information is sent into the OFCS, the D2D accounting requests use charging request message (ACR).
Present invention also offers a kind of charge system of D2D communications, including：D2D terminals, base station (eNodeB) and charging System；Wherein described charge subsystem includes：OCS subsystems and OFCS subsystems；
The D2D terminals, for sending D2D communication requests to the eNodeB；
The eNodeB, for obtaining charge information for the D2D communication requests, and the charge information is reported The OCS subsystems or OFCS subsystems；
The OCS subsystems or OFCS subsystems, the charging for carrying out D2D communications according to the charge information are handled.
The D2D communication requests use radio resource control information (RRC), wherein carrying D2D communication identifiers；Or
The D2D communication requests use special D2D communication informations.
D2D types of service mark, the business for the D2D communications that instruction terminal request is initiated are carried in the D2D communication requests Type.
The charge information comprises at least：The D2D communication identifiers.
The charge information also includes D2D types of service mark and/or D2D business service condition information；
The D2D business service condition information includes a kind of or more in flow information, temporal information and spectrum information Kind.
The eNodeB, it is additionally operable to identify that the special D2D communicates by the title of the special D2D communication informations Message is D2D communication requests, and obtains the default D2D communication identifiers；Or the D2D communications are obtained from the RRC Mark.
The eNodeB, it is additionally operable to obtain the D2D types of service mark from the D2D communication requests；
And/or
It is additionally operable to, when D2D communications use peer-to-peer communications mode, after for D2D allocation of communications LTE frequency spectrum resources, generate phase The spectrum information answered；Or it is additionally operable to, when D2D communications use trunking traffic mode, perceive the end for carrying out D2D communications in real time The flow of the D2D communications at end and/or time, and flow information and/or temporal information corresponding to generation.
The eNodeB, it is additionally operable to that the charge information directly is sent into the OCS subsystems by D2D accounting requests Or OFCS subsystems；
The system also includes：MME；The eNodeB, it is additionally operable to the charge information being sent to institute by statistical message State MME；The MME, for the charge information to be sent into the OCS subsystems or OFCS subsystems by D2D accounting requests System；
The system also includes：SGW or PGW；The eNodeB, it is additionally operable to send the charge information by statistical message To the SGW or PGW；The SGW or PGW, for the charge information to be sent into OCS by D2D accounting requests System or OFCS subsystems.
When the charge information is sent into the OCS, the D2D accounting requests use credit control request information (CCR)；
When the charge information is sent into the OFCS, the D2D accounting requests use charging request message (ACR).
The charging method and system of D2D of the present invention communication, the D2D communication requests sent by eNodeB according to terminal obtain The charge information of D2D communications corresponding to taking, and charge information is reported Online Charging System (OCS) or off-line accounting system (OFCS) charging of D2D communications, is realized with this.
Brief description of the drawings
Fig. 1 is D2D communication constructions schematic diagram of the prior art；
Fig. 2 is the configuration diagram of offline charging of the prior art；
Fig. 3 is the configuration diagram of online charging of the prior art；
Fig. 4 is the charge system schematic diagram of the D2D communications of the present invention；
Fig. 5 is the charging method schematic diagram of the D2D communications of the present invention；
Fig. 6 is that the eNodeB of the embodiment of the present invention one sends the flow chart that charge information realizes D2D communication charges to OFCS；
Fig. 7 is that the eNodeB of the embodiment of the present invention two sends the flow chart that charge information realizes D2D communication charges to OCS；
Fig. 8 is that the MME of the embodiment of the present invention three sends the flow chart that charge information realizes D2D communication charges to OFCS；
Fig. 9 is that the MME of the embodiment of the present invention four sends the flow chart that charge information realizes D2D communication charges to OCS；
Figure 10 is that the SGW/PGW of the embodiment of the present invention five sends the flow that charge information realizes D2D communication charges to OFCS Figure；
Figure 11 is that the SGW/PGW of the embodiment of the present invention six sends the flow that charge information realizes D2D communication charges to OCS Figure.
Embodiment
The billing architecture of D2D provided by the present invention communication is as shown in figure 4, wherein, eNodeB and Online Charging System (Online Charging System, abbreviation OCS) and off-line accounting system (Offline Charging System, referred to as OFCS) it is connected, charge information is provided to OCS or OFCS；In addition, MME, SGW/PGW (SGW or PGW) also with OCS and OFCS It is connected, eNodeB provides charge information by MME, SGW/PGW to OCS or OFCS.Wherein, eNodeB, MME, SGW/PGW with Interface between OCS is Ro；Interface with OFCS is Rf.
Based on above-mentioned billing architecture, a kind of billing scheme of D2D communications provided by the present invention, as shown in figure 5, main bag Include：
Step 501：Terminal with D2D abilities sends D2D communication requests to eNodeB.
Wherein, the terminal with D2D abilities is the D2D terminals shown in Fig. 4.In the step, D2D communications are sent to eNodeB The D2D terminals of request are properly termed as carrying out the source terminal of D2D communications.
Above-mentioned D2D communication requests, existing message, such as wireless heterogeneous networks (RRC, Radio Resource can be used Control) message, wherein carrying D2D communication identifiers；Or use special D2D communication informations.
Preferably, in D2D communication requests, D2D types of service mark can also be carried, to show terminal request initiation The type of service of D2D communications.Wherein, the type of service of D2D communications, such as the type of service such as voice, video or online.
Step 502：The charge information that eNodeB communicates for D2D corresponding to the acquisition of D2D communication requests, and charge information Report OCS or OFCS.
After eNodeB receives D2D communication requests, charge information corresponding to acquisition, comprise at least：D2D communication identifiers, preferably Ground, D2D types of service mark and/or D2D business service condition information can also be included.
Wherein, D2D business service condition information includes a kind of or more in flow information, temporal information and spectrum information Kind, being respectively used to show the flows of D2D communications, time and spectrum occupancy, (wherein, spectrum occupancy is for example：Frequency spectrum accounts for With bandwidth, holding time etc.).It is preferred that above-mentioned flow information, temporal information and spectrum information can be respectively flow identifier, Time marking, frequency spectrum mark, but specific manifestation form is not limited to that.
Preferably, the approach that eNodeB obtains charge information has：
First, D2D communication identifiers are obtained：If D2D communication requests are special D2D communication informations, disappeared by D2D communications The title eNodeB of breath can identify that the message is a D2D communication request, then eNodeB can be carried in charge information D2D communication identifiers.
If D2D communication requests is carry the existing message (such as RRC information) of D2D communication identifiers, then eNodeB can be with D2D communication identifiers are directly therefrom obtained to add in charge information.
Preferably, D2D communication identifiers can be used for charge system differentiation D2D communications and common communications, and may use not The rate for being same as common communications carries out charging to D2D communications.In the case of not carrying D2D communication identifiers in the message, eNodeB As long as identification outbound message is D2D communication requests, then can knows D2D communication identifiers.
2nd, D2D types of service mark is obtained：If message carries D2D types of service mark in D2D communication requests, ENodeB can be obtained directly.
Preferably, D2D types of service identify the type of service for showing D2D communications, for example are speech business, video industry Business or business of networking etc..If D2D types of service mark and D2D communication identifiers in charge information simultaneously be present, then charging System can be communicated to D2D using different rates according to the type of service that different D2D communicates and carry out charging.
3rd, D2D business service condition information is obtained：
If D2D communications, using peer-to-peer communications mode, eNodeB can be for D2D allocation of communications LTE frequency spectrum resources Afterwards, corresponding D2D business service condition information is generated, including：Spectrum information, show that the frequency spectrum of D2D communication services takes Situation, such as frequency spectrum occupied bandwidth and/or holding time.
If D2D communicates using trunking traffic scheme, eNodeB can perceive the terminal for carrying out D2D communications in real time D2D communication flow and/or the time, and generate corresponding to flow information and/or temporal information, use feelings as D2D business Condition information；Or by carrier policy and the mode such as it is locally configured, eNode generates corresponding D2D business service condition letter Breath, including：The flow information of D2D communications and/or temporal information etc..
Preferably, charge information reports the approach can to have three kinds of schemes：
A, charge information is directly sent to OCS or OFCS by eNodeB by D2D accounting requests；
B, charge information is sent to MME by eNodeB by statistical message, then is sent to by MME by D2D accounting requests OCS or OFCS；
C, charge information is sent to SGW or PGW by eNodeB by statistical message, then passes through D2D chargings by SGW or PGW Request is sent to OCS or OFCS.
Above-mentioned D2D accounting requests, can be credit control request information (CCR, the Credit Control in online charging Response the charging request message (ACR, Accounting Request)) or in offline charging.
Specifically, CCR type can be CCR [Start], CCR [Update], CCR [Termination], CCR [Event]；ACR type can be ACR [Start], ACR [Interim], ACR [Stop], ACR [Event].
Step 503, OCS or OFCS carries out the charging processing of D2D communications according to charge information.
Charging method with reference to shown in Fig. 5, the function of various pieces is as follows in the charge system in the present invention shown in Fig. 4：
D2D terminals, for sending D2D communication requests to eNodeB；
ENodeB, for for D2D communication requests obtain charge information, and charge information report OCS subsystems or OFCS subsystems；
OCS subsystems or OFCS subsystems, for carrying out the charging of D2D communications according to charge information.
Preferably, D2D communication requests use radio resource control information (RRC), wherein carrying D2D communication identifiers；Or
D2D communication requests use special D2D communication informations.
Preferably, D2D types of service mark, the industry for the D2D communications that instruction terminal request is initiated are carried in D2D communication requests Service type.
Charge information comprises at least：D2D communication identifiers.Preferably also include D2D types of service mark and/or D2D business Service condition information；Wherein, D2D business service condition information includes one kind in flow information, temporal information and spectrum information It is or a variety of.
Preferably, eNodeB, it is additionally operable to identify special D2D communication informations by the title of special D2D communication informations For D2D communication requests, and obtain D2D communication identifiers；Or D2D communication identifiers are obtained from RRC.
Preferably, eNodeB, it is additionally operable to obtain D2D types of service mark from D2D communication requests；
And/or
It is additionally operable to, when D2D communications use peer-to-peer communications mode, after for D2D allocation of communications LTE frequency spectrum resources, generate phase The spectrum information answered；Or it is additionally operable to, when D2D communications use trunking traffic mode, perceive the end for carrying out D2D communications in real time The flow of the D2D communications at end and/or time, and flow information and/or temporal information corresponding to generation.
Preferably, eNodeB, be additionally operable to directly by charge information by D2D accounting requests be sent to OCS subsystems or OFCS subsystems；
The system also includes：MME；ENodeB, it is additionally operable to charge information being sent to MME by statistical message；MME, use In charge information is sent into OCS subsystems or OFCS subsystems by D2D accounting requests；
The system also includes：SGW or PGW；ENodeB, be additionally operable to by charge information by statistical message be sent to SGW or PGW；SGW or PGW, for charge information to be sent into OCS subsystems or OFCS subsystems by D2D accounting requests.
When charge information is sent into OCS, D2D accounting requests use credit control request information (CCR)；
When charge information is sent into OFCS, D2D accounting requests use charging request message (ACR).；
Specifically, CCR type can be CCR [Start], CCR [Update], CCR [Termination], CCR [Event]；ACR type can be ACR [Start], ACR [Interim], ACR [Stop], ACR [Event].
The above-mentioned billing scheme of the present invention is described in detail below by specific embodiment.
In subsequent embodiment, the source that S-D2D (source D2D user) actually represents to carry out to initiate communication request during D2D communications is whole End, corresponding, D-D2D (purpose D2D user) is purpose terminal.
Embodiment one
It is illustrated in figure 6 eNodeB and sends the flow chart that charge information realizes D2D chargings to off-line accounting system, including such as Under step：
Step 601：Source D2D user sends D2D communication requests to eNodeB.
D2D communication requests, existing message, such as RRC information can be used, wherein carrying D2D communication identifiers；Or using special The D2D communication informations of door.
Preferably, in D2D communication requests, D2D types of service mark can also be carried, to show terminal request initiation The type of service of D2D communications.Wherein, the type of service of D2D communications, such as the type of service such as voice, video or online.
Step 602：ENodeB sends D2D communication requests to purpose D2D user (D-D2D), and receives purpose D2D user and return The D2D communication requests response returned, show that purpose D2D user agrees to carry out D2D communications；
Step 603：After receiving the response of D2D communication requests, eNodeB forwards the response of D2D communication requests to source D2D user.
D2D communication negotiation process of the said process between source D2D user and purpose D2D user is, it is necessary to which explanation, is somebody's turn to do Process is not limited only to step 601-603 mode.
Step 604：ENodeB is D2D terminals (including source D2D user terminals and purpose D2D user terminals) distribution communication money Source.
If distribution can be passed through using peer-to-peer communications scheme, eNodeB between source D2D user and purpose D2D user LTE frequency spectrum resources establish communication link for the D2D communication services of request.If used between source D2D user and purpose D2D user It is trunking traffic scheme, then identical with traditional communication, eNodeB can be that Radio Link is established in D2D communication services.
Step 605：D2D communications are established, proceed by D2D communications.
Step 606：ENodeB sends D2D accounting requests ACR to OFCS.
The charge information included in ACR comprises at least：D2D communication identifiers, it is preferable that D2D types of service can also be included Mark and/or D2D business service condition information.
Wherein, D2D business service condition information includes a kind of or more in flow information, temporal information and spectrum information Kind, being respectively used to show the flows of D2D communications, time and spectrum occupancy, (wherein, spectrum occupancy is for example：Frequency spectrum accounts for With bandwidth, holding time etc.).
According to be peer-to-peer communications scheme, then D2D business service condition information only includes spectrum information；
According to be trunking traffic scheme, then D2D business service condition packet is believed containing flow information and/or time Breath.
Wherein, eNodeB obtains charge information and realizes that as described in step 502 here is omitted.
It should be noted that in the embodiment, D2D accounting requests can be event-based charging (Event based Charging ACR [Event]), or the ACR [Start] of session-based charging (Session based Charging), Which kind of can be determined using offline charging mode by factors such as the strategies of D2D type of traffic and/or operator.
It is pointed out that if the type of D2D accounting requests is ACR [Event], subsequent step 610- steps 612 can Omit.
Step 607：OFCS generates CDR according to the charge information carried in ACR.
Step 608：OFCS returns to D2D accounting requests response ACA to eNodeB, and (Accounting Answer, charging ring Answer message).
Step 609：D2D communication releases, show D2D sign offs.
Step 610：After D2D sign offs, eNodeB sends D2D accounting requests ACR [Stop] to OFCS, wherein carrying meter Charge information.
Step 611：OFCS closes CDR according to the charge information carried in ACR [Stop].
Step 612：OFCS returns to D2D accounting requests response ACA to eNodeB.
Change in addition, if D2D communication services change, timer expiry or carrier policy occur in communication process The events such as change, eNodeB can also send D2D accounting requests to OFCS, be ACR [Interim] (carrying charge information), you can Repeat step 606 is to step 608.It should be noted that now step 607 is renewal CDR.
Embodiment two
It is illustrated in figure 7 eNodeB and sends the flow chart that charge information realizes D2D chargings to Online Charging System, including such as Under step：
Step 701 is to 704 with step 601-604, and here is omitted.
Step 705：ENodeB sends D2D accounting request CCR to OCS, wherein carrying charge information.
Wherein, eNodeB obtains charge information and realizes that as described in step 502 here is omitted.
It should be noted that CCR can be immediate charging (IEC, Immediate Event Charging) CCR [Event]；Can also be that the unit based on event reserves charging (ECUR, Event Charging with Unit Reservation) or dialogue-based unit reserves charging (SCUR, Session Charging with Unit Reservation CCR [Initial]), can be by D2D communication industries using which kind of online charging mode in IEC/ECUR/SCUR The factors such as the strategy of service type and/or operator determine.
If the type of D2D accounting requests is CCR [Event], subsequent step 710- steps 712 can be omitted.
Step 706：OCS carries out diameter credit control processing according to the charge information carried in CCR；
Step 707：OCS sends D2D accounting requests response CCA (Credit Control Answer, credit to eNodeB Control response message).
Step 708：D2D communications are established, proceed by D2D communications.
Step 709：D2D communication releases, show D2D sign offs.
Step 710：After D2D sign offs, eNodeB sends D2D accounting requests CCR [Stop] to OCS, wherein carrying meter Charge information.
Step 711：OCS carries out diameter credit control processing according to the charge information carried in CCR [Stop]；
Step 712：OCS returns to D2D accounting requests response CCA to eNodeB.
Change in addition, if D2D communication services change, timer expiry or carrier policy occur in communication process The events such as change, eNodeB can also send D2D accounting requests, CCR [Update] (carrying charge information), for updating to OCS The information such as user account, you can repeat step 705 to step 707.
Embodiment three
It is illustrated in figure 8 MME and sends the flow chart that charge information realizes D2D chargings to off-line accounting system, including it is as follows The step of：
Step 801：Source D2D user sends D2D communication requests to eNodeB.
D2D communication requests, existing message, such as RRC information can be used, wherein carrying D2D communication identifiers；Or using special The D2D communication informations of door.
Preferably, in D2D communication requests, D2D types of service mark can also be carried, to show terminal request initiation The type of service of D2D communications.Wherein, the type of service of D2D communications, such as the type of service such as voice, video or online.
Step 802：ENodeB forwards D2D communication requests to MME, is judged whether that D2D communications can be carried out by MME, if Can be so that the D2D communication requests for then receiving MME returns respond；
Step 803：After receiving MME return D2D communication request responses, eNodeB sends D2D communications to purpose D2D user Request, and receive the D2D communication requests response returned, show that purpose D2D user agrees to carry out D2D communications.
Step 804：Receive purpose D2D user agree to carry out D2D communications D2D communication requests response after, eNodeB to Source D2D user forwards the response of D2D communication requests.
D2D communication negotiation process of the said process between source D2D user and purpose D2D user is, it is necessary to which explanation, is somebody's turn to do Process is not limited only to step 801-804 mode.
Step 805：ENodeB is the D2D terminal distribution communication resources.
The realization of the step is with step 604, and here is omitted.
Step 806：D2D communications are established, proceed by D2D communications.
Step 807：ENodeB sends statistical message to MME, carries charge information.
Wherein, eNodeB obtains charge information and realizes that as described in step 502 here is omitted.
Step 808：MME sends D2D accounting request ACR to OFCS, wherein carrying charge information.
After MME receives eNodeB statistical message, the charge information wherein carried is sent out by D2D accounting requests ACR Give OFCS.
It should be noted that in the embodiment, D2D accounting requests can be event-based charging (Event based Charging ACR [Event]), or the ACR [Start] of session-based charging (Session based Charging), Which kind of can be determined using offline charging mode by factors such as the strategies of D2D type of traffic and/or operator.
It is pointed out that if the type of D2D accounting requests is ACR [Event], subsequent step 813- steps 817 can Omit.
Step 809：OFCS generates CDR according to the charge information carried in ACR.
Step 810：OFCS returns to D2D accounting requests response ACA to MME.
Step 811：MME returns to statistical message response to eNodeB.
Step 812：D2D communication releases, show D2D sign offs.
Step 813：After D2D sign offs, eNodeB sends statistical message to MME, carries charge information.
Step 814：MME sends D2D accounting requests to OFCS, is ACR [Stop], carries charge information.
Step 815：OFCS closes CDR according to the charge information carried in ACR [Stop].
Step 816：OFCS returns to D2D accounting requests response ACA to MME.
Step 817：MME returns to statistical message response to eNodeB.
Change in addition, if D2D communication services change, timer expiry or carrier policy occur in communication process The events such as change, eNodeB can also send statistical message (carrying charge information) to MME, and send D2D chargings from MME to OFSC Request, is ACR [Interim] (carrying charge information), you can repeat step 807 to step 811.It should be noted that now Step 809 is renewal CDR.
Example IV
It is illustrated in figure 9 MME and sends the flow chart that charge information realizes D2D chargings to Online Charging System, including it is as follows The step of：
Step 901 is to step 905 with step 801 to 805, and here is omitted.
Step 906：ENodeB sends statistical message to MME, wherein carrying charge information.
Wherein, eNodeB obtains charge information and realizes that as described in step 502 here is omitted.
Step 907：MME sends D2D accounting request CCR to OCS, wherein carrying charge information.
After MME receives eNodeB statistical message, the charge information wherein carried is sent out by D2D accounting requests CCR Give OCS.
It should be noted that CCR can be immediate charging (IEC, Immediate Event Charging) CCR [Event]；Can also be that the unit based on event reserves charging (ECUR, Event Charging with Unit Reservation) or dialogue-based unit reserves charging (SCUR, Session Charging with Unit Reservation CCR [Initial]), can be by D2D communication industries using which kind of online charging mode in IEC/ECUR/SCUR The factors such as the strategy of service type and/or operator determine.
If the type of D2D accounting requests is CCR [Event], step 913- steps 917 can be omitted.
Step 908：OCS carries out diameter credit control processing according to the charge information carried in CCR.
Step 909：OCS returns to D2D accounting requests response CCA to MME.
Step 910：MME returns to statistical message response to eNodeB.
Step 911：D2D communications are established, proceed by D2D communications.
Step 912：D2D communication releases, show D2D sign offs.
Step 913：After D2D sign offs, eNodeB sends statistical message to MME, wherein carrying charge information.
Step 914：MME sends D2D accounting requests to OCS, is CCR [Stop], wherein carrying charge information.
After MME receives eNodeB statistical message, the charge information wherein carried is passed through into D2D accounting requests CCR [Stop] is sent to OCS.
Step 915：OCS carries out diameter credit control processing according to the charge information carried in CCR [Stop].
Step 916：OCS returns to D2D accounting requests response CCA to MME.
Step 917：MME returns to statistical message response to eNodeB.
Change in addition, if D2D communication services change, timer expiry or carrier policy occur in communication process The events such as change, eNodeB can also send statistical message (carrying charge information) to MME, and send D2D chargings from MME to OCS Request, is CCR [Update] (carrying charge information), for information such as more new user accounts, you can repeat step 906 to step 910。
Embodiment five
Charge information is sent for SGW/PGW (SGW or PGW) realize D2D chargings to off-line accounting system as shown in Figure 10 Flow chart, including the steps：
Step 1001：Source D2D user sends D2D communication requests to eNodeB.
D2D communication requests, existing message, such as RRC information can be used, wherein carrying D2D communication identifiers；Or using special The D2D communication informations of door.
Preferably, in D2D communication requests, D2D types of service mark can also be carried, to show terminal request initiation The type of service of D2D communications.Wherein, the type of service of D2D communications, such as the type of service such as voice, video or online.
Step 1002：ENodeB forwards D2D communication requests to MME, is judged whether that D2D communications can be carried out by MME, if Can be with, then perform step 1003；
Step 1003：MME sends carrying to SGW/PGW and establishes request, and request is established in the carrying for receiving SGW/PGW returns Response.
Step 1004：MME returns to the response of D2D communication requests to eNodeB.
Step 1005：ENodeB sends D2D communication requests to purpose D2D user, and the D2D communication requests for receiving to return are rung Should, show that purpose D2D user agrees to carry out D2D communications；If disagreeing, purpose D2D user returns to D2D communication requests refusal, then D2D communication requests fail.
Step 1006：Receive purpose D2D user agree to carry out D2D communications D2D communication requests response after, eNodeB to Source D2D sends the response of D2D communication requests.
D2D communication negotiation process of the said process between source D2D user and purpose D2D user is, it is necessary to which explanation, is somebody's turn to do Process is not limited only to step 1001-1006 mode.
Step 1007：ENodeB is the D2D terminal distribution communication resources；
The realization of the step is with step 604, and here is omitted.
Step 1008：D2D communications are established, proceed by D2D communications.
Step 1009：ENodeB sends statistical message to SGW/PGW, carries charge information.
Wherein, eNodeB obtains charge information and realizes that as described in step 502 here is omitted.
Step 1010：SGW/PGW sends D2D accounting request ACR to OFCS, wherein carrying charge information.
After SGW/PGW receives eNodeB statistical message, the charge information wherein carried is passed through into D2D accounting requests ACR is sent to OFCS.
It should be noted that in the embodiment, D2D accounting requests can be event-based charging (Event based Charging ACR [Event]), or the ACR [Start] of session-based charging (Session based Charging), Which kind of can be determined using offline charging mode by factors such as the strategies of D2D type of traffic and/or operator.
It is pointed out that if the type of D2D accounting requests is ACR [Event], step 1015- steps 1019 can save Slightly.
Step 1011：OFCS generates CDR according to the charge information carried in ACR.
Step 1012：OFCS returns to D2D accounting requests response ACA to SGW/PGW.
Step 1013：SGW/PGW returns to statistical message response to eNodeB.
Step 1014：D2D communication releases, show D2D sign offs.
Step 1015：After D2D sign offs, eNodeB sends statistical message to SGW/PGW, carries charge information.
Step 1016：SGW/PGW sends D2D accounting requests to OFCS, is ACR [Stop], carries charge information.
Step 1017：OFCS closes CDR according to the charge information carried in ACR [Stop].
Step 1018：OFCS returns to D2D accounting requests response ACA to SGW/PGW.
Step 1019：SGW/PGW returns to statistical message response to eNodeB.
Change in addition, if D2D communication services change, timer expiry or carrier policy occur in communication process The events such as change, eNodeB can also send statistical message to SGW/PGW, and send D2D accounting requests from SGW/PGW to OFSC, For ACR [Interim] (carrying charge information), you can repeat step 1009 to step 10013.It should be noted that this time step Rapid 1011 be renewal CDR.
Embodiment six
Realize the flow chart of D2D chargings to Online Charging System for SGW/PGW transmission charge informations as shown in figure 11, including The steps：
Step 1101 is to step 1107 with step 1001 to step 1007, and here is omitted.
Step 1108：ENodeB sends statistical message to SGW/PGW, carries charge information.
Wherein, eNodeB obtains charge information and realizes that as described in step 502 here is omitted.
Step 1109：SGW/PGW sends D2D accounting request CCR to OCS, wherein carrying charge information.
After SGW/PGW receives eNodeB statistical message, the charge information wherein carried is passed through into D2D accounting requests CCR is sent to OCS.
It should be noted that CCR can be immediate charging (IEC, Immediate Event Charging) CCR [Event]；Can also be that the unit based on event reserves charging (ECUR, Event Charging with Unit Reservation) or dialogue-based unit reserves charging (SCUR, Session Charging with Unit Reservation CCR [Initial]), can be by D2D communication industries using which kind of online charging mode in IEC/ECUR/SCUR The factors such as the strategy of service type and/or operator determine.
If the type of D2D accounting requests is CCR [Event], subsequent step 1115- steps 1119 can be omitted.
Step 1110：OCS carries out diameter credit control processing according to the charge information carried in CCR.
Step 1111：OCS returns to D2D accounting requests response CCA to SGW/PGW.
Step 1112：SGW/PGW returns to statistical message response to eNodeB.
Step 1113：D2D communications are established, proceed by D2D communications.
Step 1114：D2D communication releases, show D2D sign offs.
Step 1115：After D2D sign offs, eNodeB sends statistical message to SGW/PGW, wherein carrying charge information.
Step 1116：SGW/PGW sends D2D accounting requests to OCS, is CCR [Stop], wherein carrying charge information.
After SGW/PGW receives eNodeB statistical message, the charge information wherein carried is passed through into D2D accounting requests CCR [Stop] is sent to OCS.
Step 1117：OCS carries out diameter credit control processing according to the charge information carried in CCR [Stop].
Step 1118：OCS returns to D2D accounting requests response CCA to SGW/PGW.
Step 1119：SGW/PGW returns to statistical message response to eNodeB.
Change in addition, if D2D communication services change, timer expiry or carrier policy occur in communication process The events such as change, eNodeB can also send statistical message to SGW/PGW, and send D2D accounting requests from SGW/PGW to OCS, be CCR [Update] (carrying charge information), i.e. repeat step 1115 to step 1119.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims (18)

  1. A kind of 1. charging method of D2D communications, it is characterised in that including：
    Terminal with terminal-to-terminal service (D2D) communication capacity sends D2D communication requests to base station (eNodeB)；
    The charge information that the eNodeB communicates for D2D corresponding to D2D communication requests acquisition, and the charge information Report Online Charging System (OCS) or off-line accounting system (OFCS)；
    The charging that the OCS or OFCS carry out D2D communications according to the charge information is handled.
  2. 2. the charging method of D2D communications according to claim 1, it is characterised in that the D2D communication requests are carrying D2D The radio resource control information (RRC) of communication identifier；Or
    The D2D communication requests are special D2D communication informations.
  3. 3. the charging method of D2D communications according to claim 2, it is characterised in that carry D2D in the D2D communication requests Type of service identifies, the type of service for the D2D communications that instruction terminal request is initiated.
  4. 4. the charging method of D2D communications according to claim 3, it is characterised in that the charge information comprises at least：It is described D2D communication identifiers.
  5. 5. the charging method of D2D communications according to claim 4, it is characterised in that the charge information also includes the D2D Type of service identifies and/or D2D business service condition information；
    The D2D business service condition information includes the one or more in flow information, temporal information and spectrum information.
  6. 6. the charging method of D2D communications according to claim 4, it is characterised in that the eNodeB obtains the charging letter Breath, including：
    By the title of the special D2D communication informations, the eNodeB identifies that the special D2D communication informations are D2D Communication request, and obtain the default D2D communication identifiers；Or
    The D2D communication identifiers are obtained from the RRC.
  7. 7. the charging method of D2D communications according to claim 5, it is characterised in that the eNodeB obtains the charging letter Breath, including：
    The D2D types of service mark is obtained from the D2D communication requests；
    And/or
    When D2D communications use peer-to-peer communications mode, the eNodeB generates phase after for D2D allocation of communications LTE frequency spectrum resources The spectrum information answered；Or when D2D communications use trunking traffic mode, the eNodeB is perceived in real time carries out D2D communications Terminal D2D communication flow and/or the time, and generate corresponding to flow information and/or temporal information.
  8. 8. the charging method to be communicated according to any D2D of claim 1 to 7, it is characterised in that described the charge information OCS or OFCS is reported, including：
    The charge information is directly sent to OCS or OFCS by the eNodeB by D2D accounting requests；Or
    The charge information is sent to MME by the eNodeB by statistical message, then is sent by MME by D2D accounting requests To OCS or OFCS；
    Or
    Charge information is sent to SGW or PGW by the eNodeB by statistical message, then please by D2D chargings by SGW or PGW Ask and be sent to OCS or OFCS.
  9. 9. the charging method of D2D communications according to claim 8, it is characterised in that
    When the charge information is sent into the OCS, the D2D accounting requests use credit control request information (CCR)；
    When the charge information is sent into the OFCS, the D2D accounting requests use charging request message (ACR).
  10. A kind of 10. charge system of D2D communications, it is characterised in that including：D2D terminals, base station (eNodeB) and charging subsystem System；Wherein described charge subsystem includes：OCS subsystems and OFCS subsystems；
    The D2D terminals, for sending D2D communication requests to the eNodeB；
    The eNodeB, for obtaining charge information for the D2D communication requests, and described in the charge information reported OCS subsystems or OFCS subsystems；
    The OCS subsystems or OFCS subsystems, the charging for carrying out D2D communications according to the charge information are handled.
  11. 11. the charge system to communicate according to claim 10, it is characterised in that the D2D communication requests are using wireless money Source control message (RRC), wherein carrying D2D communication identifiers；Or
    The D2D communication requests use special D2D communication informations.
  12. 12. the charge system to be communicated according to claim 11, it is characterised in that D2D industry is carried in the D2D communication requests Service type identifies, the type of service for the D2D communications that instruction terminal request is initiated.
  13. 13. the charge system to be communicated according to claim 12, it is characterised in that the charge information comprises at least：It is described D2D communication identifiers.
  14. 14. the charge system to be communicated according to claim 13, it is characterised in that the charge information also includes the D2D Type of service identifies and/or D2D business service condition information；
    The D2D business service condition information includes the one or more in flow information, temporal information and spectrum information.
  15. 15. the charge system to be communicated according to claim 13, it is characterised in that
    The eNodeB, it is additionally operable to identify the special D2D communication informations by the title of the special D2D communication informations For D2D communication requests, and obtain the default D2D communication identifiers；Or the D2D communications mark is obtained from the RRC Know.
  16. 16. the charge system to be communicated according to claim 14, it is characterised in that
    The eNodeB, it is additionally operable to obtain the D2D types of service mark from the D2D communication requests；
    And/or
    It is additionally operable to when D2D communications use peer-to-peer communications mode, after for D2D allocation of communications LTE frequency spectrum resources, generation is corresponding Spectrum information；Or it is additionally operable to, when D2D communications use trunking traffic mode, perceive the terminal of progress D2D communications in real time The flow of D2D communications and/or time, and flow information and/or temporal information corresponding to generation.
  17. 17. according to the charge system of any communication of claim 10 to 16, it is characterised in that
    The eNodeB, be additionally operable to directly by the charge information by D2D accounting requests be sent to the OCS subsystems or OFCS subsystems；
    The system also includes：MME；The eNodeB, it is additionally operable to the charge information being sent to by statistical message described MME；The MME, for the charge information to be sent into the OCS subsystems or OFCS subsystems by D2D accounting requests；
    The system also includes：SGW or PGW；The eNodeB, it is additionally operable to the charge information being sent to institute by statistical message State SGW or PGW；The SGW or PGW, for the charge information to be sent into the OCS subsystems by D2D accounting requests Or OFCS subsystems.
  18. 18. the charge system to be communicated according to claim 17, it is characterised in that
    When the charge information is sent into the OCS, the D2D accounting requests use credit control request information (CCR)；
    When the charge information is sent into the OFCS, the D2D accounting requests use charging request message (ACR).
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