WO2018018773A1 - D2D/ProSe业务的执行方法及装置 - Google Patents

D2D/ProSe业务的执行方法及装置 Download PDF

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Publication number
WO2018018773A1
WO2018018773A1 PCT/CN2016/104065 CN2016104065W WO2018018773A1 WO 2018018773 A1 WO2018018773 A1 WO 2018018773A1 CN 2016104065 W CN2016104065 W CN 2016104065W WO 2018018773 A1 WO2018018773 A1 WO 2018018773A1
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Prior art keywords
local area
wireless local
area network
prose
service
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PCT/CN2016/104065
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English (en)
French (fr)
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秦雷
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中兴通讯股份有限公司
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Publication of WO2018018773A1 publication Critical patent/WO2018018773A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements

Definitions

  • the present invention relates to the field of communications, and in particular to a method and apparatus for performing D2D/ProSe services.
  • FIG. 1 is a schematic diagram of a correspondence between a user scenario and a service process according to the related art. As shown in FIG. 1, a D2D/ProSe service user scenario is shown.
  • the D2D/ProSe service functions are ProSe discovery (direct or EPC-level) and ProSe Direct Communication (via E-UTRAN or WLAN direct).
  • ProSe discovery can identify neighboring ProSe-enabled UEs by means of LTE access or EPC core network.
  • ProSe Direct Communication can support two or more UEs to directly establish communication links within the scope of Direct Communication.
  • the link can use an LTE wireless network or a WLAN.
  • a communication link can be directly established between two or more UEs supporting ProSe public security services without using an LTE wireless network.
  • ProSe Direct Communication process can also rely on ProSe UE-to-Network Relay acts as a relay between the LTE network and the UE. For example, a UE that is not covered by the LTE network can receive an emergency security notification of the network broadcast through the UE that is in the network coverage.
  • Direct Discovery and Direct Communication are two completely separate businesses. Direct Discovery is not a precondition for Direct Communication. When the UEs that need to communicate are in the LTE network coverage, the Direct Discovery process needs to communicate with the network ProSe Function entity, whether it is a common commercial or public security scenario, including Service Authorization Provisioning, Discovery Request and Response, and Match Report. .
  • the D2D/ProSe Discovery process is not defined in the standard protocol. How does the UE judge and seamlessly switch the connection when the UE moves from the LTE coverage area to the wifi-free coverage area without the LTE but supports the D2D/ProSe service? Go to the WLAN and continue the D2D/ProSe service.
  • An embodiment of the present invention provides a method and an apparatus for performing a D2D/ProSe service, so as to at least solve the problem that a UE performs a D2D/ProSe service mode in a related art.
  • a method for performing a D2D/ProSe service where: the user equipment UE detects a wireless local area network; and the UE determines that the wireless local area network supports the terminal to directly pass through the D2D/proximity service ProSe service. And the UE is connected to the wireless local area network, and performs D2D/ProSe service through the wireless local area network.
  • the UE determines, according to the manner, that the wireless local area network supports D2D/ProSe services: detecting a preset field of broadcast information broadcast by an access point of the wireless local area network; and indicating that the preset field supports D2D/ProSe In the case of a service, it is determined that the wireless local area network supports D2D/ProSe services.
  • the preset field is a field that is predefined by using reserved bits in the broadcast information.
  • the Bit 13 reserved bit in the broadcast information is predefined to obtain the preset field.
  • the broadcast information is a BEACON frame.
  • the method further includes: determining, when the wireless local area network signal strength is higher than a first preset value, the UE connection Go to the wireless local area network and perform D2D/ProSe service through the wireless local area network.
  • the method further includes: the UE performing D2D/ProSe service by using a mobile communication network, where the network signal of the mobile communication network is detected by the UE is lower than the second In the case of a preset value, the UE detects a wireless local area network.
  • the method before the performing the D2D/ProSe service by using the WLAN, the method further includes: acquiring, by the UE, parameter configuration information required by the UE to perform D2D/ProSe service from the mobile communication network by using the wireless local area network. .
  • the method further includes: the UE sending indication information to the mobile communication network, where the indication information is used to notify the mobile communication network, whether the UE supports D2D/ProSe through a wireless local area network. business.
  • an apparatus for performing D2D/ProSe service is further provided, which is applied to a user equipment UE, where the method includes: a detecting module configured to detect a wireless local area network; and a connection module configured to determine the wireless After the local area network supports the terminal to directly pass through the D2D/proximity service ProSe service, it connects to the wireless local area network, and performs D2D/ProSe service through the wireless local area network.
  • connection module is further configured to detect a preset field of broadcast information broadcast by an access point of the wireless local area network; where the preset field indicates that the D2D/ProSe service is supported, the connection module further It is set to determine that the wireless local area network supports D2D/ProSe services.
  • the preset field is a field that is predefined by using reserved bits in the broadcast information.
  • the Bit 13 reserved bit in the broadcast information is predefined to obtain the preset field.
  • the broadcast information is a BEACON frame.
  • the connection module is further configured to determine, at the UE, that the wireless local area network supports terminal direct D2D/proximity service ProSe service After determining that the wireless local area network signal strength is higher than the first preset value, connecting to the wireless local area network, and performing D2D/ProSe service through the wireless local area network.
  • the detecting module is further configured to perform D2D/ProSe service by using the mobile communication network before the UE detects the wireless local area network, where the network signal of the mobile communication network is detected by the UE to be lower than the second preset. In the case of a value, the UE detects a wireless local area network.
  • the detecting module is further configured to send indication information to the mobile communication network, where the indication information is used to notify the mobile communication network whether the UE supports D2D/ProSe service through a wireless local area network.
  • a storage medium is also provided.
  • the storage medium is configured to store program code for performing the following steps: the user equipment UE detects a wireless local area network; and the UE determines that the wireless local area network supports the terminal to pass through the D2D/proximity service ProSe service, the UE is connected to the wireless a local area network and performing D2D/ProSe services through the wireless local area network.
  • the UE when the UE detects that there is a wireless local area network supporting the D2D/ProSe service in the area, the UE is connected to the wireless local area network, and the D2D/ProSe service is performed through the wireless local area network, and the UE performs D2D/ProSe in the related art.
  • the problem of single-mode service mode enhances the flexibility of the UE to perform D2D/ProSe services.
  • the UE can select the mode of performing D2D/ProSe services according to the scenario in real time.
  • FIG. 1 is a schematic diagram of a correspondence between a user scenario and a service process according to the related art
  • FIG. 2 is a block diagram showing the hardware structure of a mobile terminal for performing a D2D/ProSe service according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for executing a D2D/ProSe service according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart diagram of a method for acquiring a D2D service according to an alternative embodiment of the present invention
  • FIG. 5 is a flowchart of an evaluation method for a UE to determine whether a WiFi hotspot supports a D2D/ProSe service and meets a threshold condition according to an alternative embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of an original 802.11n protocol HT Capabilities Info field field in an alternative embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a HT Capabilities Info field field of a custom extended 802.11n protocol according to the present invention.
  • FIG. 8 is a structural block diagram of an apparatus for executing a D2D/ProSe service according to an embodiment of the present invention.
  • FIG. 2 is a hardware structural block diagram of a mobile terminal performing a D2D/ProSe service execution method according to an embodiment of the present invention.
  • the mobile terminal 20 may include one or more (only one shown) processor 202 (the processor 202 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
  • FIG. 2 is merely illustrative, and The structure of the above electronic device is not limited.
  • the mobile terminal 20 may also include more or fewer components than those shown in FIG. 2, or have a different configuration than that shown in FIG. 2.
  • the memory 204 can be used to store software programs and modules of the application software, such as program instructions/modules corresponding to the execution method of the D2D/ProSe service in the embodiment of the present invention, and the processor 202 runs the software program and the module stored in the memory 104. Thereby performing various functional applications and data processing, that is, implementing the above method.
  • Memory 204 can include high speed random access memory and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 204 can further include memory remotely located relative to processor 202, which can be connected to mobile terminal 20 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 206 is for receiving or transmitting data via a network.
  • the above specific network example may include a wireless network provided by a communication provider of the mobile terminal 20.
  • transmission device 206 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • NIC Network Interface Controller
  • the transmission device 206 can be a Radio Frequency (RF) module for communicating with the Internet wirelessly.
  • RF Radio Frequency
  • FIG. 3 is a flowchart of a method for executing a D2D/ProSe service according to an embodiment of the present invention, as shown in FIG. The process includes the following steps:
  • Step S302 the user equipment UE detects the wireless local area network
  • Step S304 after the UE determines that the wireless local area network supports the terminal to directly pass the D2D/proximity service ProSe service, the UE connects to the wireless local area network, and performs D2D/ProSe service through the wireless local area network.
  • the UE when the UE detects that there is a wireless local area network supporting the D2D/ProSe service in the area, the UE connects to the wireless local area network, and performs D2D/ProSe service through the wireless local area network, and solves the related art that the UE performs D2D/ProSe.
  • Single business The problem is that the flexibility of the UE to perform the D2D/ProSe service is enhanced, and the UE can select the mode of executing the D2D/ProSe service according to the scenario in real time.
  • the execution body of the foregoing steps may be a terminal or the like, but is not limited thereto.
  • the wireless local area network may be wireless fidelity WiFi.
  • the UE detects that there are multiple wireless local area networks supporting D2D/ProSe services, the UE selects the wireless LAN connection with the strongest signal strength. To ensure information security, authenticating a wireless LAN is also an optional step.
  • the D2D/ProSe service is performed through the WLAN, and there is no special difference between the authorization of the D2D service by the LTE radio base station and the execution process of the D2D/PROSE service in the related art.
  • the WLAN replaces the wireless base station for communicating data between the UE and the ProSe function. Both the wireless base station and the WLAN can be seen as a data gateway between the UE and the ProSe function. Related processes are publicly described in 3GPP 23.303.
  • the UE determines, according to the manner, that the WLAN supports the D2D/ProSe service: detecting a preset field of the broadcast information broadcast by the access point of the WLAN; and if the preset field indicates that the D2D/ProSe service is supported, , to determine that the wireless local area network supports D2D/ProSe services.
  • the broadcast information may additionally carry a piece of indication information for indicating the support service of the WLAN.
  • the preset field is a field that is predefined by the reserved bits in the broadcast information.
  • the Bit 13 reserved bit in the broadcast information is predefined to obtain the preset field.
  • the broadcast information is a BEACON frame.
  • the UE determines that the wireless local area network supports the terminal to directly pass through the D2D/proximity service ProSe service, and determines that the wireless local area network signal strength is higher than the first preset value, the UE is connected to the wireless local area network, and passes the wireless local area network. Perform D2D/ProSe business.
  • the UE before the UE detects the wireless local area network, the UE performs D2D/ProSe service through the mobile communication network, where the UE detects that the network signal of the mobile communication network is lower than a second preset value, Detect wireless LAN.
  • the method before the performing the D2D/ProSe service by using the WLAN, the method further includes: acquiring, by the UE, parameter configuration information required by the UE to perform D2D/ProSe service from the mobile communication network by using the wireless local area network.
  • the mobile communication network is an LTE network
  • the UE acquires auxiliary parameter information required for executing the D2D/ProSe service from the LTE EPC through the wireless local area network.
  • the UE sends indication information to the mobile communication network, where the indication information is used to notify the mobile communication network whether the UE supports D2D/ProSe service through a wireless local area network.
  • the UE notifies the mobile communication network, for example, notifying the base station that the UE can perform D2D/ProSe service through the wireless local area network, and the base station collects a nearby wireless local area network for the UE, which simplifies the UE detecting the wireless local area network.
  • two terminals supporting D2D/ProSe and a wireless fidelity hotspot WiFi AP supporting D2D/ProSe are required.
  • the method described in the optional embodiment of the present invention is applicable to a dual-mode or multi-mode terminal supporting the LTE Rel12 and above access technologies, and the terminal supports services such as D2D, ProSe, and IP Multimedia Subsystem (IMS).
  • services such as D2D, ProSe, and IP Multimedia Subsystem (IMS).
  • IMS IP Multimedia Subsystem
  • ICDM In Coverage D2D Mode, including Partial In Coverage
  • OCDM Out of Coverage D2D Mode
  • WDM WLAN D2D Mode
  • ICDM means that when the UE detects that it is currently in the LTE coverage service, it will preferentially interact with the ProSe Function entity through the LTE access network to perform D2D/ProSe services. It is necessary to add that the ProSe function entity supports D2D/ProSe.
  • the network element in the core network of the service provider is necessary to add.
  • OCDM means that when the UE is in an LTE-free service and does not search for WiFi supporting D2D/ProSe, the D2D/ProSe service is performed according to a standard-defined procedure.
  • WDM means that when the UE is in the LTE-free service and the WiFi supporting D2D/ProSe is found, the D2D/ProSe service is performed by means of the WiFi hotspot according to the solution of the present invention.
  • a method and device for acquiring D2D service provided by an optional embodiment of the present invention are described below.
  • the method and its apparatus can determine and switch to the WiFi network to achieve the ongoing D2D. /ProSe business is not affected.
  • the method for obtaining the D2D service is specifically determined and processed as follows:
  • Step 1 The two or more UEs supporting the D2D/ProSe service are in the LTE network coverage area, and perform D2D/ProSe services under the ICDM.
  • Step 2 When the UE moves to an area where the LTE cell signal does not satisfy the second preset value or moves to the area without the LTE cell signal, the WiFi module is enabled, the surrounding WiFi signal is scanned, and the WiFi AP broadcasts according to the BEACON to determine whether the WiFi AP supports the D2D. /ProSe;
  • Step 3 If WiFi supports D2D/ProSe, it is evaluated according to a preset algorithm whether the WiFi AP meets the selection condition, and if yes, the WiFi is connected to enter the WDM mode and communicates with the ProSe Function entity through the WiFi link;
  • Step 4 If the WiFi supporting D2D/ProSe is not scanned or the WiFi AP that does not meet the minimum selection condition is not scanned, the UE enters the OCDM.
  • FIG. 4 is a schematic flowchart of a D2D service acquisition method according to an optional embodiment of the present invention, specifically:
  • Step S401 the UE supporting D2D/ProSe performs D2D/ProSe communication through the LTE network in an ICDM mode (In-Coverage D2D communication mode);
  • Step S402 The UE detects whether the current LTE service signal meets the second preset value or whether there is still LTE coverage in the D2D/ProSe communication process; if the UE finds that the LTE service signal does not meet the second preset value or does not currently have LTE coverage, the UE performs Step S403; otherwise, return to step S401;
  • Step S403 checking whether the UE supports the WLAN D2D (ie, WDM mode) function, if yes, proceeding to step S404, if not, proceeding to step S410;
  • WLAN D2D ie, WDM mode
  • the UE may carry an indication in the LTE network to inform the LTE network whether the UE supports the WDM mode.
  • the following is a new field defined in the attach request sent when the UE registers with the LTE network. The following is the detailed field. content:
  • ProSe direct discovery (ProSe-dd) (octet 7, bit 8)
  • ProSe direct communication ProSe-dc (octet 8, bit 1)
  • This bit indicates the capability for ProSe direct communication.
  • Bits 8 to 2 of octet 8 are spare and shall be coded as zero.
  • a flag may be added to indicate whether the UE supports ProSe's WLAN direct discovery and communication, such as:
  • ProSe WLAN direct discovery (ProSe-wdd) (octet 8, bit 2)
  • This bit indicates the capability for ProSe WLAN direct discovery.
  • ProSe WLAN direct communication (ProSe-wdc) (octet 8, bit 3)
  • This bit indicates the capability for ProSe WLAN direct communication.
  • Step S404 the UE initiates the WiFi hotspot signal scanning, and proceeds to step S405;
  • Step S405 it is determined whether to scan the WiFi supporting D2D/ProSe and the WiFi signal meets the threshold condition; if yes, the process proceeds to step S406; if not, the process proceeds to step S410;
  • Step S406 the hotspot mark that meets the condition is arranged according to the intensity and automatically establishes a connection with the WiFi hotspot in sequence, and proceeds to S407;
  • Step S407 whether the WiFi hotspot is connected and the authentication is successful; if yes, the process proceeds to step S408; if not, the process proceeds to step S410;
  • Step S408 the UE obtains the auxiliary parameter information required for D2D/ProSe communication from the LTE EPC (Evolved Packet Core network) network through the WiFi connection, and proceeds to step S409;
  • LTE EPC Evolved Packet Core network
  • Step S409 the UE enters the WDM mode, performs D2D/ProSe communication through the WiFi network, and periodically scans the LTE network situation in the background and proceeds to step S402 to determine;
  • step S410 the UE enters an OCDM mode (out-of-coverage D2D mode).
  • the UE needs to determine whether the WiFi hotspot supports D2D/ProSe and meets a threshold condition. Based on the requirement, the WiFi hotspot supporting the D2D/ProSe service may be marked.
  • FIG. 5 is a flowchart of an evaluation method for a UE to determine whether a WiFi hotspot supports a D2D/ProSe service and satisfies a threshold condition according to an alternative embodiment of the present invention. As shown in FIG. 5, the detailed steps of step S405 in FIG. 4 are shown. Specifically:
  • Step S501 the UE scans the WiFi hotspot signal and reads the broadcasted BEACON frame or other broadcast information thereof, and proceeds to step S502.
  • 6 is a schematic structural diagram of an original 802.11n protocol HT Capabilities Info field field in an alternative embodiment of the present invention. As shown in FIG. 6, in the optional embodiment of the present invention, the reserved bit of Bit 13 is extended.
  • FIG. 7 is a schematic diagram showing the structure of a HT Capabilities Info field field of a custom extended 802.11n protocol according to the present invention. As shown in FIG. 7, the reserved bit of Bit 13 is correspondingly filled.
  • the UE makes a judgment on the ProSe capability field in the BEACON frame, and if it is 1, it enters S503, and if it is 0, it proceeds to S505.
  • Step S503 two parameters are defined in the terminal NV (non-volatile), one is a WiFi hotspot signal reaching threshold Sthrottle, and the other is a stagnation parameter Sw_offset (similar to error) for preventing the terminal from determining whether the WiFi hotspot signal reaches the ping-pong effect. , inevitably, set a range of positive and negative values).
  • step S505 If not, proceed to step S505. For example, if the currently measured service WiFi hotspot signal RSSI is -79dbm, then RSSI ⁇ Sthrottle+Sw_offset, the condition is not met, and step S505 is performed.
  • the ping-pong effect can be effectively avoided by the Sw_offset parameter.
  • the control parameters are also defined in NV, Tmeas_backoff, in milliseconds.
  • Step S504 the WiFi hotspot switching detection is completed.
  • Step S505 the UE enters an OCDM mode.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method of various embodiments of the present invention.
  • An apparatus for performing the D2D/ProSe service is also provided in the embodiment, and is applied to the user equipment UE.
  • the apparatus is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 8 is a structural block diagram of an apparatus for executing a D2D/ProSe service according to an embodiment of the present invention. As shown in FIG. 8, the apparatus includes:
  • the detecting module 82 is configured to detect a wireless local area network
  • the connection module 84 is connected to the detection module 82, and is configured to determine that the wireless local area network supports the terminal to directly pass through the D2D/proximity service ProSe service, connect to the wireless local area network, and perform D2D/ProSe service through the wireless local area network.
  • connection module 84 is further configured to detect a preset field of broadcast information broadcast by the access point of the wireless local area network; if the preset field indicates that the D2D/ProSe service is supported, the connection module 84 is further configured to determine the wireless local area network. Support D2D/ProSe services.
  • connection module 84 is further configured to detect a preset field of the broadcast information broadcast by the access point of the WLAN; if the preset field indicates that the D2D/ProSe service is supported, the connection module is further configured to determine The WLAN supports D2D/ProSe services.
  • the preset field is pre-defined by the reserved bits in the broadcast information. Field.
  • the Bit 13 reserved bit in the broadcast information is predefined to obtain the preset field.
  • the broadcast information is a BEACON frame.
  • connection module 84 is further configured to connect to the wireless local area network after determining that the wireless local area network supports the terminal to directly pass through the D2D/proximity service ProSe service, and determines that the wireless local area network signal strength is higher than the first preset value. And performing D2D/ProSe services through the wireless local area network.
  • the detecting module 82 is further configured to perform D2D/ProSe service by using the mobile communication network before the UE detects the wireless local area network, where the UE detects that the network signal of the mobile communication network is lower than a second preset value. In this case, the UE detects the wireless local area network.
  • the detecting module 82 is further configured to send indication information to the mobile communication network, wherein the indication information is used to notify the mobile communication network whether the UE supports D2D/ProSe service through a wireless local area network.
  • the mobile communication network is a Long Term Evolution (LTE) network.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the user equipment UE detects the wireless local area network.
  • the UE After the UE determines that the wireless local area network supports the terminal to directly pass through the D2D/proximity service ProSe service, the UE connects to the wireless local area network, and performs D2D/ProSe service through the wireless local area network.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor executes the method steps described in the foregoing embodiments according to the stored program code in the storage medium.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the technical solution provided by the embodiment of the present invention can be applied to the execution process of the D2D/ProSe service.
  • the UE detects the wireless local area network supporting the D2D/ProSe service in the area, the UE connects to the wireless local area network, and the wireless local area network is connected.
  • the D2D/ProSe service is implemented, which solves the problem that the UE performs the D2D/ProSe service mode in the related art, and enhances the flexibility of the UE to perform the D2D/ProSe service.
  • the UE can select the D2D/ProSe service mode according to the scenario in real time.

Abstract

本发明提供了一种D2D/ProSe业务的执行方法及装置，其中，该方法包括：用户设备UE检测无线局域网；该UE确定该无线局域网支持终端直通D2D/近距离业务ProSe业务之后，该UE连接到该无线局域网，并通过该无线局域网进行D2D/ProSe业务。解决了相关技术中UE执行D2D/ProSe业务方式单一的问题，增强了UE执行D2D/ProSe业务的灵活性，UE可以实时依据所在场景选择执行D2D/ProSe业务的方式。

Description

D2D/ProSe业务的执行方法及装置 技术领域
本发明涉及通信领域，具体而言，涉及一种D2D/ProSe业务的执行方法及装置。
背景技术
相关技术中，D2D/ProSe(终端直通，Device to Device简称为D2D；近距离业务，Proximity Service简称为ProSe)的整体架构在3GPP TS23.303 Rel12版本中提出，规定D2D/ProSe业务主要基于公共安全和非公共安全两种需求，用户场景分为In Coverage(即2个通信终端均处于LTE网络覆盖的场景)、Partial In Coverage(即1个通信终端处于LTE网络覆盖，1个不在LTE覆盖范围的场景)以及Out-of-Coverage(即2个通信终端都不在LTE网络覆盖的场景)，包含直接发现Direct Discovery和直接沟通Direct Communication两个过程。图1是根据相关技术中的用户场景和业务过程对应关系的示意图，如图1所示，展示了D2D/ProSe业务用户场景。
D2D/ProSe业务功能由ProSe discovery(direct或EPC-level)以及ProSe Direct Communication(借助E-UTRAN或WLAN direct)。ProSe discovery能够借助LTE接入或EPC核心网识别出邻近的支持ProSe业务的UE。
ProSe Direct Communication可以支持2个或以上UE在Direct Communication范围内直接建立通信链路。该链路可以使用LTE无线网络或者WLAN。
对于公共安全特殊场景：
支持ProSe公共安全业务的2个或以上UE之间可以直接建立通信链路，不用借助LTE无线网络。
ProSe Direct Communication过程还可以借助ProSe UE-to-Network  Relay来起到LTE网络和UE之间的中继作用。比如没有处于LTE网络覆盖的UE可以通过处于网络覆盖的UE来接收网络广播的紧急安全通知。
Direct Discovery和Direct Communication是两个完全相互独立的业务。Direct Discovery并不是Direct Communication的前置条件。当需要通信的UE均处于LTE网络覆盖时，Direct Discovery过程不论是普通商用还是公共安全场景都需要和网络ProSe Function实体进行交互通信，包含Service授权开通、Discovery请求和回应以及匹配报告(Match Report)。
在相关技术中的技术框架下，标准协议中没有定义D2D/ProSe Discovery过程当UE从LTE覆盖区域移动到无LTE但有支持D2D/ProSe业务的WiFi热点覆盖区域时UE如何判断并无缝切换连接到WLAN上并继续进行D2D/ProSe业务的情况。
针对相关技术中相关技术中UE执行D2D/ProSe业务方式单一的问题，目前还没有有效的解决方案。
发明内容
本发明实施例提供了一种D2D/ProSe业务的执行方法及装置，以至少解决相关技术中UE执行D2D/ProSe业务方式单一的问题。
根据本发明的一个实施例，提供了一种D2D/ProSe业务的执行方法，其中，包括：用户设备UE检测无线局域网；所述UE确定所述无线局域网支持终端直通D2D/近距离业务ProSe业务之后，所述UE连接到所述无线局域网，并通过所述无线局域网进行D2D/ProSe业务。
可选地，所述UE依据以下方式确定所述无线局域网支持D2D/ProSe业务：检测所述无线局域网的接入点广播的广播信息的预设字段；在所述预设字段指示支持D2D/ProSe业务的情况下，确定所述无线局域网支持D2D/ProSe业务。
可选地，所述预设字段是对所述广播信息中的保留位进行预先定义得到的字段。
可选地，预先定义所述广播信息中的Bit 13保留位得到所述预设字段。可选地，所述广播信息为BEACON帧。可选地，所述UE确定所述无线局域网支持终端直通D2D/近距离业务ProSe业务之后，所述方法还包括：确定所述无线局域网信号强度高于第一预设值时，所述UE连接到所述无线局域网，并通过所述无线局域网进行D2D/ProSe业务。
可选地，在UE检测无线局域网之前，所述方法还包括：所述UE通过移动通信网络进行D2D/ProSe业务，其中，在所述UE检测到所述移动通信网络的网络信号低于第二预设值的情况下，所述UE检测无线局域网。
可选地，通过所述无线局域网进行D2D/ProSe业务之前，所述方法还包括：所述UE通过所述无线局域网从所述移动通信网络获取所述UE执行D2D/ProSe业务需要的参数配置信息。
可选地，所述方法还包括：所述UE向所述移动通信网络发送指示信息，其中，所述指示信息用于通知所述移动通信网络，所述UE是否支持通过无线局域网进行D2D/ProSe业务。
根据本发明的另一个实施例，还提供了一种D2D/ProSe业务的执行装置，应用于用户设备UE，其中，包括：检测模块，设置为检测无线局域网；连接模块，设置为确定所述无线局域网支持终端直通D2D/近距离业务ProSe业务之后，连接到所述无线局域网，并通过所述无线局域网进行D2D/ProSe业务。
可选地，所述连接模块还设置为检测所述无线局域网的接入点广播的广播信息的预设字段；在所述预设字段指示支持D2D/ProSe业务的情况下，所述连接模块还设置为确定所述无线局域网支持D2D/ProSe业务。
可选地，所述预设字段是对所述广播信息中的保留位进行预先定义得到的字段。
可选地，预先定义所述广播信息中的Bit 13保留位得到所述预设字段。可选地，所述广播信息为BEACON帧。可选地，所述连接模块还设置为在所述UE确定所述无线局域网支持终端直通D2D/近距离业务ProSe业务 之后，确定所述无线局域网信号强度高于第一预设值时，连接到所述无线局域网，并通过所述无线局域网进行D2D/ProSe业务。
可选地，所述检测模块还设置为在UE检测无线局域网之前，通过移动通信网络进行D2D/ProSe业务，其中，在所述UE检测到所述移动通信网络的网络信号低于第二预设值的情况下，所述UE检测无线局域网。
可选地，所述检测模块还设置为向所述移动通信网络发送指示信息，其中，所述指示信息用于通知所述移动通信网络，所述UE是否支持通过无线局域网进行D2D/ProSe业务。
根据本发明的又一个实施例，还提供了一种存储介质。该存储介质设置为存储用于执行以下步骤的程序代码：用户设备UE检测无线局域网；所述UE确定所述无线局域网支持终端直通D2D/近距离业务ProSe业务之后，所述UE连接到所述无线局域网，并通过所述无线局域网进行D2D/ProSe业务。
通过本发明，UE在检测到所在区域内存在支持D2D/ProSe业务的无线局域网时，该UE连接到该无线局域网，通过该无线局域网进行D2D/ProSe业务，解决了相关技术中UE执行D2D/ProSe业务方式单一的问题，增强了UE执行D2D/ProSe业务的灵活性，UE可以实时依据所在场景选择执行D2D/ProSe业务的方式。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据相关技术中的用户场景和业务过程对应关系的示意图；
图2是本发明实施例的一种D2D/ProSe业务的执行方法的移动终端的硬件结构框图；
图3是根据本发明实施例的一种D2D/ProSe业务的执行方法的流程图；
图4是根据本发明可选实施例的一种D2D服务获取方法的流程示意图；
图5是根据本发明可选实施例的UE判断WiFi热点是否支持D2D/ProSe服务且满足阈值条件的评估方法的流程图；
图6是根据本发明可选实施例中的原始802.11n协议HT Capabilities Info field字段结构示意图；
图7是根据本发明自定义扩充802.11n协议HT Capabilities Info field字段结构示意图；
图8是根据本发明实施例的一种D2D/ProSe业务的执行装置的结构框图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
实施例1
本申请实施例一所提供的方法实施例可以在移动终端、计算机终端或者类似的运算装置中执行。以运行在移动终端上为例，图2是本发明实施例的一种D2D/ProSe业务的执行方法的移动终端的硬件结构框图。如图2所示，移动终端20可以包括一个或多个(图中仅示出一个)处理器202(处理器202可以包括但不限于微处理器MCU或可编程逻辑器件FPGA等的处理装置)、用于存储数据的存储器204、以及用于通信功能的传输装置206。本领域普通技术人员可以理解，图2所示的结构仅为示意，其并 不对上述电子装置的结构造成限定。例如，移动终端20还可包括比图2中所示更多或者更少的组件，或者具有与图2所示不同的配置。
存储器204可用于存储应用软件的软件程序以及模块，如本发明实施例中的D2D/ProSe业务的执行方法对应的程序指令/模块，处理器202通过运行存储在存储器104内的软件程序以及模块，从而执行各种功能应用以及数据处理，即实现上述的方法。存储器204可包括高速随机存储器，还可包括非易失性存储器，如一个或者多个磁性存储装置、闪存、或者其他非易失性固态存储器。在一些实例中，存储器204可进一步包括相对于处理器202远程设置的存储器，这些远程存储器可以通过网络连接至移动终端20。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
传输装置206用于经由一个网络接收或者发送数据。上述的网络具体实例可包括移动终端20的通信供应商提供的无线网络。在一个实例中，传输装置206包括一个网络适配器(Network Interface Controller，NIC)，其可通过基站与其他网络设备相连从而可与互联网进行通讯。在一个实例中，传输装置206可以为射频(Radio Frequency，RF)模块，其用于通过无线方式与互联网进行通讯。
在本实施例中提供了一种运行于上述移动终端的D2D/ProSe业务的执行方法，图3是根据本发明实施例的一种D2D/ProSe业务的执行方法的流程图，如图3所示，该流程包括如下步骤：
步骤S302，用户设备UE检测无线局域网；
步骤S304，该UE确定该无线局域网支持终端直通D2D/近距离业务ProSe业务之后，该UE连接到该无线局域网，并通过该无线局域网进行D2D/ProSe业务。
通过上述步骤，UE在检测到所在区域内存在支持D2D/ProSe业务的无线局域网时，该UE连接到该无线局域网，通过该无线局域网进行D2D/ProSe业务，解决了相关技术中UE执行D2D/ProSe业务方式单一的 问题，增强了UE执行D2D/ProSe业务的灵活性，UE可以实时依据所在场景选择执行D2D/ProSe业务的方式。可选地，上述步骤的执行主体可以为终端等，但不限于此。在后文的可选实施例中例举了如何判断判断无线局域网支持D2D/ProSe业务。可选地，无线局域网可以为无线保真WiFi。可选地，UE检测到存在多个支持D2D/ProSe业务的无线局域网的情况下，选择信号强度最强的无线局域网连接。为保证信息安全，对无线局域网进行鉴权也是可选的步骤。
需要补充的是，在上述实施例中，通过无线局域网进行D2D/ProSe业务，和相关技术中通过LTE无线基站完成D2D业务的授权以及进行D2D/PROSE业务的执行流程相比并无特殊之处，在本发明可选实施例场景中WLAN替代了无线基站用于传递UE和ProSe function之间的数据。无线基站和WLAN都可以看作为UE和ProSe function之间的数据gateway。相关的流程在3GPP 23.303中都有公开描述。
可选地，该UE依据以下方式确定该无线局域网支持D2D/ProSe业务：检测该无线局域网的接入点广播的广播信息的预设字段；在该预设字段指示支持D2D/ProSe业务的情况下，确定该无线局域网支持D2D/ProSe业务。当然也可以在广播信息额外携带一段指示信息，用于指示无线局域网的支持业务。
可选地，该预设字段是对该广播信息中的保留位进行预先定义得到的字段。可选地，预先定义该广播信息中的Bit 13保留位得到该预设字段。可选地，该广播信息为BEACON帧。
可选地，该UE确定该无线局域网支持终端直通D2D/近距离业务ProSe业务之后，确定该无线局域网信号强度高于第一预设值时，该UE连接到该无线局域网，并通过该无线局域网进行D2D/ProSe业务。
可选地，在UE检测无线局域网之前，该UE通过移动通信网络进行D2D/ProSe业务，其中，在该UE检测到该移动通信网络的网络信号低于第二预设值的情况下，该UE检测无线局域网。
可选地，通过所述无线局域网进行D2D/ProSe业务之前，所述方法还包括：所述UE通过所述无线局域网从所述移动通信网络获取所述UE执行D2D/ProSe业务需要的参数配置信息。当移动通信网络为LTE网络时，UE通过无线局域网从LTE EPC中获取执行D2D/ProSe业务所需辅助参数信息。
可选地，该UE向该移动通信网络发送指示信息，其中，该指示信息用于通知该移动通信网络，该UE是否支持通过无线局域网进行D2D/ProSe业务。本实施例是UE通知移动通信网络的，例如，通知基站该UE可以通过无线局域网进行D2D/ProSe业务，基站为该UE收集附近的无线局域网，简化了UE检测无线局域网。
执行本申请文件记载的方法实施例，需要支持D2D/ProSe的终端以及支持D2D/ProSe的无线保真热点WiFi AP两部分。
本发明可选实施例记载的方法适用于支持LTE Rel12及以上接入技术的双模或多模终端，且终端支持D2D、ProSe、IP多媒体系统(IP Multimedia Subsystem，简称为IMS)等业务。
在本发明可选实施例中定义了终端侧的三种D2D/ProSe通信模式，ICDM(In Coverage D2D Mode，包括Partial In Coverage的情况)、OCDM(Out of Coverage D2D Mode)以及WDM(WLAN D2D Mode)。其中，上述三种模式指示含义分别是：
(1)ICDM指UE探测到当前自己处于LTE覆盖服务范围内时会优先借助LTE接入网络来和ProSe Function实体交互，进行D2D/ProSe业务；需要补充的是，ProSe function实体是支持D2D/ProSe业务运营商核心网中的网元。
(2)OCDM指当UE处于无LTE服务且没有搜索到支持D2D/ProSe的WiFi时按照标准规定的流程进行D2D/ProSe业务。
(3)WDM指当UE处于无LTE服务且搜到支持D2D/ProSe的WiFi时按照本发明方案借助WiFi热点进行D2D/ProSe业务。
基于上述定义，下面记载了本发明可选实施例提供的一种D2D服务获取的方法及其装置。终端在进行D2D/ProSe通信的过程中从LTE覆盖区域移动到无LTE覆盖但是有支持D2D/ProSe的WiFi热点区域时，通过该方法及其装置可以判决并切换到WiFi网络以达到正在进行的D2D/ProSe业务不受影响的目的。
D2D服务获取的方法具体的判断和处理方式如下：
步骤一，支持D2D/ProSe业务的2个或多个UE处于LTE网络覆盖区域，在ICDM下进行D2D/ProSe业务；
步骤二，当UE移动到LTE小区信号不满足第二预设值或者移动到无LTE小区信号的区域时启用WiFi模块，扫描周围WiFi信号并根据WiFi AP广播的BEACON来判断该WiFi AP是否支持D2D/ProSe；
步骤三，如果WiFi支持D2D/ProSe则根据预先设定好的算法来评估该WiFi AP的是否满足选择条件，若满足则连接WiFi进入WDM模式并通过该WiFi链路和ProSe Function实体通信；
步骤四，如果没有扫描到支持D2D/ProSe的WiFi或者没有满足最低选择条件的WiFi AP，UE进入OCDM。
下面结合具体实施方式对本发明可选实施例的一种D2D服务获取的方法及其装置进行详细说明，图4是根据本发明可选实施例的一种D2D服务获取方法的流程示意图，具体为：
步骤S401，支持D2D/ProSe的UE在ICDM模式(In-Coverage D2D通信模式)下通过LTE网络进行D2D/ProSe通信；
步骤S402，UE在D2D/ProSe通信过程中检测当前LTE服务信号是否满足第二预设值或者是否还有LTE覆盖；若UE发现无LTE服务信号满足第二预设值或当前无LTE覆盖，进行步骤S403；否则返回步骤S401；
步骤S403，检查UE是否支持WLAN D2D(即WDM模式)功能，若支持则进入步骤S404，若不支持则进入步骤S410；
在这一步骤中，UE在注册到LTE网络中可以携带指示用于告知LTE网络该UE是否支持WDM模式，下面是UE注册LTE网络时发送的附着请求中新定义一个字段，以下是字段的详细内容：
首先介绍相关技术中的UE在Attach request-UE network capability中上报是否支持ProSe业务的字段：
TS24.301 Rel12 9.9.3.34 UE network capability
ProSe(octet 7,bit 7)
This bit indicates the capability for ProSe.
0  ProSe not supported
1  ProSe supported
ProSe direct discovery(ProSe-dd)(octet 7,bit 8)
This bit indicates the capability for ProSe direct discovery.
0  ProSe direct discovery not supported
1  ProSe direct discovery supported
ProSe direct communication(ProSe-dc)(octet 8,bit 1)
This bit indicates the capability for ProSe direct communication.
0  ProSe direct communication not supported
1  ProSe direct communication supported
Bits 8 to 2 of octet 8 are spare and shall be coded as zero.
在上述字段的基础上，可以增加一个标志位指示UE是否支持ProSe的WLAN direct discovery and communication，比如：
ProSe WLAN direct discovery(ProSe-wdd)(octet 8,bit 2)
This bit indicates the capability for ProSe WLAN direct discovery.
0  ProSe WLAN direct discovery not supported
1  ProSe WLAN direct discovery supported
ProSe WLAN direct communication(ProSe-wdc)(octet 8,bit 3)
This bit indicates the capability for ProSe WLAN direct communication.
0  ProSe WLAN direct communication not supported
1  ProSe WLAN direct communication supported
步骤S404，UE启动WiFi热点信号扫描，进入步骤S405；
步骤S405，判断是否扫描到支持D2D/ProSe的WiFi且WiFi信号满足阈值条件；若满足则进入步骤S406；若不满足则进入步骤S410；
步骤S406，将满足条件的热点标记按照强度进行排列并按顺序自动与WiFi热点尝试建立连接，进入S407；
步骤S407，是否连接WiFi热点并鉴权成功；若是则进入步骤S408；若不是则进入步骤S410；
步骤S408，UE通过WiFi连接从LTE EPC(演进型分组核心网，EvolvedPacket Core network)网络获得D2D/ProSe通信所需辅助参数信息，进入步骤S409；
步骤S409，UE进入WDM模式，通过WiFi网络进行D2D/ProSe通信；后台周期性对LTE网络情况进行扫描并进入步骤S402判断；
步骤S410，UE进入OCDM模式(out-of-coverage D2D模式)。
在上述可选实施例的方法步骤中，UE需要判断WiFi热点是否支持D2D/ProSe且满足阈值条件，基于该需求，可以为支持D2D/ProSe业务的WiFi热点做好标记。
图5是根据本发明可选实施例的UE判断WiFi热点是否支持D2D/ProSe服务且满足阈值条件的评估方法的流程图，如图5所示，展示的是图4中步骤S405的详细步骤，具体为：
步骤S501，UE扫描到WiFi热点信号并读取其广播的BEACON帧或者其他广播信息并进入步骤S502。
步骤S502，在设置WiFi时，根据802.11n协议7.3.2.56.2 HT Capabilities Info field，启用Bit13这个保留位，扩展定义一个ProSe capability字段，若ProSe capability＝1表明该WiFi AP支持D2D/ProSe，若ProSe capability＝0表明该WiFi AP不支持D2D/ProSe。图6是根据本发明可选实施例中的原始802.11n协议HT Capabilities Info field字段结构示意图，如图6所示，在本发明可选实施例中扩展的是Bit13这个保留位。图7是根据本发明自定义扩充802.11n协议HT Capabilities Info field字段结构示意图，如图7所示，将Bit13这个保留位进行了相应填充。
基于图7的设置，UE对BEACON帧中的ProSe capability字段做判断，若为1则进入S503，若为0则进入S505。
步骤S503，在终端NV(non-volatile)中定义两个参数，一个是WiFi热点信号达标阈值Sthrottle，另一个是用于防止终端判断WiFi热点信号是否达标乒乓效应的滞带参数Sw_offset(类似于误差，不可避免，设置一个正负值的范围)。
若当前WiFi热点信号RSSI的测量值Swifi大于等于Sthrottle+Sw_offset则进行步骤S504。举个例子，比如在NV中设定Sthrottle为-80dbm，Sw_offset为2，当前测量到的服务WiFi热点信号RSSI为-75dbm，那么Sthrottle+Sw_offset＝-80+2＝-78dbm,这时RSSI>Sthrottle+Sw_offset，满足条件，执行步骤S504。
若不满足则继续进行步骤S505。举个例子，比如当前测量到的服务WiFi热点信号RSSI为-79dbm，那么RSSI<Sthrottle+Sw_offset，则不满足条件，执行步骤S505。
由于信号都存在较微小的变动范围(比如前一秒和后一秒相差2db)，这时通过Sw_offset参数就能够有效避免乒乓效应。两次测量有一定间隔时间，该控制参数也定义在NV中，Tmeas_backoff，单位毫秒。
步骤S504，完成WiFi热点切换检测。
步骤S505，UE进入OCDM模式。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本发明各个实施例该的方法。
实施例2
在本实施例中还提供了一种D2D/ProSe业务的执行装置，应用于用户设备UE，该装置用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图8是根据本发明实施例的一种D2D/ProSe业务的执行装置的结构框图，如图8所示，该装置包括：
检测模块82，设置为检测无线局域网；
连接模块84，连接至检测模块82，设置为确定该无线局域网支持终端直通D2D/近距离业务ProSe业务之后，连接到该无线局域网，并通过该无线局域网进行D2D/ProSe业务。
该连接模块84还设置为检测该无线局域网的接入点广播的广播信息的预设字段；在该预设字段指示支持D2D/ProSe业务的情况下，该连接模块84还设置为确定该无线局域网支持D2D/ProSe业务。
可选地，该连接模块84还设置为检测该无线局域网的接入点广播的广播信息的预设字段；在该预设字段指示支持D2D/ProSe业务的情况下，该连接模块还设置为确定该无线局域网支持D2D/ProSe业务。
可选地，该预设字段是对该广播信息中的保留位进行预先定义得到的 字段。可选地，预先定义该广播信息中的Bit 13保留位得到该预设字段。可选地，该广播信息为BEACON帧。
可选地，该连接模块84还设置为在该UE确定该无线局域网支持终端直通D2D/近距离业务ProSe业务之后，确定该无线局域网信号强度高于第一预设值时，连接到该无线局域网，并通过该无线局域网进行D2D/ProSe业务。
可选地，该检测模块82还设置为在UE检测无线局域网之前，通过移动通信网络进行D2D/ProSe业务，其中，在该UE检测到该移动通信网络的网络信号低于第二预设值的情况下，该UE检测无线局域网。
可选地，该检测模块82还设置为向该移动通信网络发送指示信息，其中，该指示信息用于通知该移动通信网络，该UE是否支持通过无线局域网进行D2D/ProSe业务。可选地，该移动通信网络为长期演进LTE网络。
需要说明的是，上述各个模块是可以通过软件或硬件来实现的，对于后者，可以通过以下方式实现，但不限于此：上述模块均位于同一处理器中；或者，上述各个模块以任意组合的形式分别位于不同的处理器中。
实施例3
本发明的实施例还提供了一种存储介质。可选地，在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
S1，用户设备UE检测无线局域网；
S2，该UE确定该无线局域网支持终端直通D2D/近距离业务ProSe业务之后，该UE连接到该无线局域网，并通过该无线局域网进行D2D/ProSe业务。
可选地，在本实施例中，上述存储介质可以包括但不限于：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
可选地，在本实施例中，处理器根据存储介质中已存储的程序代码执行上述实施例中记载的方法步骤。
可选地，本实施例中的具体示例可以参考上述实施例及可选实施方式中所描述的示例，本实施例在此不再赘述。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本发明实施例提供的技术方案可以应用于D2D/ProSe业务的执行过程中，UE在检测到所在区域内存在支持D2D/ProSe业务的无线局域网时，该UE连接到该无线局域网，通过该无线局域网进行D2D/ProSe业务，解决了相关技术中UE执行D2D/ProSe业务方式单一的问题，增强了UE执行D2D/ProSe业务的灵活性，UE可以实时依据所在场景选择执行D2D/ProSe业务的方式。

Claims (17)

  1. 一种D2D/ProSe业务的执行方法，包括：
    用户设备UE检测无线局域网；
    所述UE确定所述无线局域网支持终端直通D2D/近距离业务ProSe业务之后，所述UE连接到所述无线局域网，并通过所述无线局域网进行D2D/ProSe业务。
  2. 根据权利要求1所述的方法，其中，所述UE依据以下方式确定所述无线局域网支持D2D/ProSe业务：
    检测所述无线局域网的接入点广播的广播信息的预设字段；
    在所述预设字段指示支持D2D/ProSe业务的情况下，确定所述无线局域网支持D2D/ProSe业务。
  3. 根据权利要求2所述的方法，其中，所述预设字段是对所述广播信息中的保留位进行预先定义得到的字段。
  4. 根据权利要求3所述的方法，其中，预先定义所述广播信息中的Bit 13保留位得到所述预设字段。
  5. 根据权利要求3所述的方法，其中，所述广播信息为BEACON帧。
  6. 根据权利要求1所述的方法，其中，所述UE确定所述无线局域网支持终端直通D2D/近距离业务ProSe业务之后，所述方法还包括：
    确定所述无线局域网信号强度高于第一预设值时，所述UE连接到所述无线局域网，并通过所述无线局域网进行D2D/ProSe业务。
  7. 根据权利要求1所述的方法，其中，在UE检测无线局域网之前，所述方法还包括：
    所述UE通过移动通信网络进行D2D/ProSe业务，其中，在所述UE检测到所述移动通信网络的网络信号低于第二预设值的情况下，所述UE检测无线局域网。
  8. 根据权利要求7所述的方法，其中，通过所述无线局域网进行D2D/ProSe业务之前，所述方法还包括：
    所述UE通过所述无线局域网从所述移动通信网络获取所述UE执行D2D/ProSe业务需要的参数配置信息。
  9. 根据权利要求7所述的方法，其中，所述方法还包括：
    所述UE向所述移动通信网络发送指示信息，其中，所述指示信息用于通知所述移动通信网络，所述UE是否支持通过无线局域网进行D2D/ProSe业务。
  10. 一种D2D/ProSe业务的执行装置，应用于用户设备UE，包括：
    检测模块，设置为检测无线局域网；
    连接模块，设置为确定所述无线局域网支持终端直通D2D/近距离业务ProSe业务之后，连接到所述无线局域网，并通过所述无线局域网进行D2D/ProSe业务。
  11. 根据权利要求10所述的装置，其中，所述连接模块还设置为检测所述无线局域网的接入点广播的广播信息的预设字段；
    在所述预设字段指示支持D2D/ProSe业务的情况下，所述连接模块还设置为确定所述无线局域网支持D2D/ProSe业务。
  12. 根据权利要求11所述的装置，其中，所述预设字段是对所述广播信息中的保留位进行预先定义得到的字段。
  13. 根据权利要求12所述的装置，其中，预先定义所述广播信 息中的Bit 13保留位得到所述预设字段。
  14. 根据权利要求12所述的装置，其中，所述广播信息为BEACON帧。
  15. 根据权利要求10所述的装置，其中，所述连接模块还设置为在所述UE确定所述无线局域网支持终端直通D2D/近距离业务ProSe业务之后，确定所述无线局域网信号强度高于第一预设值时，连接到所述无线局域网，并通过所述无线局域网进行D2D/ProSe业务。
  16. 根据权利要求10所述的装置，其中，所述检测模块还设置为在UE检测无线局域网之前，通过移动通信网络进行D2D/ProSe业务，其中，在所述UE检测到所述移动通信网络的网络信号低于第二预设值的情况下，所述UE检测无线局域网。
  17. 根据权利要求16所述的装置，其中，所述检测模块还设置为向所述移动通信网络发送指示信息，其中，所述指示信息用于通知所述移动通信网络，所述UE是否支持通过无线局域网进行D2D/ProSe业务。
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