WO2014023173A1 - 一种终端控制方法、设备及系统 - Google Patents

一种终端控制方法、设备及系统 Download PDF

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Publication number
WO2014023173A1
WO2014023173A1 PCT/CN2013/080386 CN2013080386W WO2014023173A1 WO 2014023173 A1 WO2014023173 A1 WO 2014023173A1 CN 2013080386 W CN2013080386 W CN 2013080386W WO 2014023173 A1 WO2014023173 A1 WO 2014023173A1
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WIPO (PCT)
Prior art keywords
accepted
mme
request message
base station
request
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PCT/CN2013/080386
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English (en)
French (fr)
Inventor
汪颖
焦斌
刘爱娟
Original Assignee
电信科学技术研究院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 电信科学技术研究院 filed Critical 电信科学技术研究院
Priority to US14/419,801 priority Critical patent/US9532395B2/en
Priority to EP13827741.3A priority patent/EP2884783B1/en
Priority to KR1020157006092A priority patent/KR101644870B1/ko
Publication of WO2014023173A1 publication Critical patent/WO2014023173A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/005Discovery of network devices, e.g. terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-mode setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/23Manipulation of direct-mode connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/30Connection release
    • H04W76/34Selective release of ongoing connections
    • H04W76/36Selective release of ongoing connections for reassigning the resources associated with the released connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/22Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24Transfer of terminal data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the invention relates to a Chinese patent application filed on August 8, 2012 by the Chinese Patent Office, the application number is 201210281091.1, and the invention name is "a terminal control method, device and system". Priority is hereby incorporated by reference in its entirety.
  • the present invention relates to the field of communications technologies, and in particular, to a terminal control method, device, and system. Background technique
  • a mobile communication system generally consists of a terminal, a radio access network, and a core network.
  • the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) is a wireless device composed of (evolved) base stations ((e) Node B, (e) B) connected to each other. Access to the system.
  • the Evolved Packet Core (EPC) is a core network system.
  • the EPC includes a Home Subscriber Server (HSS), a Mobility Management Entity (MME), and a Gateway (Gateway).
  • HSS Home Subscriber Server
  • MME Mobility Management Entity
  • Gateway Gateway
  • the terminal For scenarios in which UEs communicate with each other, the terminal must rely on the relay and proxy functions provided by the base station and the gateway to implement inter-terminal communication.
  • the network centralized control mode is adopted, that is, the uplink and downlink data of the user equipment (UE) are transmitted and received under the control of the network, and the UE and the UE There is no direct communication link between the two, and the communication between the two needs to be forwarded and controlled through the network, and the UE is not allowed to send the uplink data by itself, as shown in FIG.
  • LTE Long Term Evolution
  • a simple device-to-device (D2D) communication means that the terminal and the terminal communicate directly through Bluetooth, wireless fidelity (Wifi), etc., and the communication utilizes an unlicensed band.
  • the resource is the user's own behavior and is not managed and controlled by the network operator.
  • the application scenario is limited.
  • Another mode is to introduce D2D technology into the mobile communication carrier network.
  • this communication mode certain direct communication is allowed between the terminals, and one terminal can directly obtain information from other terminals through D2D mode.
  • These direct communication links It can be established under network control or assistance.
  • the basis of D2D communication between terminals is to discover nearby terminals.
  • an evolved base station eNodeB, eNB
  • eNodeB eNodeB
  • eNB uplink/downlink communication link
  • CN core network
  • the configured two UEs can communicate based on the configuration information D2D.
  • the present invention provides a terminal control method, device, and system for implementing a D2D communication mechanism for mutual discovery or even direct communication between mobile devices in a network, and implementing a user equipment (User Equipment, UE) having proximity sensing capability. control.
  • UE User Equipment
  • a terminal control method includes:
  • the mobility management entity MME receives a device-to-device D2D request message from the user equipment UE sent by the base station, determines a requested D2D characteristic according to the D2D request message, and determines a D2D characteristic in the D2D characteristic of the request that is acceptable, And transmitting the accepted D2D characteristics to the base station;
  • the base station After receiving the accepted D2D characteristic returned by the MME, the base station determines whether to accept the UE
  • the D2D request if accepted, the base station performs resource configuration and instructs the UE to perform the accepted D2D feature, otherwise, the base station rejects the D2D request of the UE.
  • a terminal control method includes:
  • the base station receives a device-to-device D2D request message from the user equipment UE;
  • the base station determines whether to accept the D2D request of the UE, and if yes, sends the D2D request message to the mobility management entity MME, and after receiving the received D2D feature returned by the MME, performing resource configuration and indicating the UE Performing the accepted D2D characteristic; otherwise, rejecting the D2D request of the UE;
  • the accepted D2D characteristic is a D2D characteristic in the D2D characteristic requested by the D2D request message that is determined by the MME according to the D2D request message.
  • a network side device including:
  • a receiving unit configured to receive a device-to-device D2D request message sent by the base station from the user equipment UE, and a determining unit, configured to determine a D2D characteristic of the request according to the D2D request message, and determine that the request is acceptable D2D characteristics in D2D characteristics;
  • a sending unit configured to send the received D2D characteristic to the base station.
  • a network side device including:
  • a communication unit configured to receive a device-to-device D2D request message from the user equipment UE, send the D2D request message to the mobility management entity MME, and receive an accepted D2D characteristic returned by the MME, where the receiving The D2D characteristic is a D2D characteristic in the D2D characteristic requested by the MME according to the D2D request message, which is acceptable for the D2D request message;
  • a processing unit configured to: after receiving the received D2D feature, the communication unit determines whether to accept the D2D request of the UE, if yes, performs resource configuration and instructs the UE to perform the accepted D2D feature, otherwise, rejects the Describe the UE's D2D request.
  • a network side device including: a receiving unit, configured to receive a device-to-device D2D request message from the user equipment UE, and a processing unit, configured to determine whether to accept the D2D request of the UE, and if yes, send the D2D request message to the mobility management entity MME After receiving the received D2D feature returned by the MME, performing resource configuration to indicate that the UE performs the accepted D2D characteristic; otherwise, rejecting the D2D request of the UE, where the accepted D2D characteristic is the MME The D2D characteristic in the D2D characteristic requested by the D2D request message that is acceptable according to the D2D request message.
  • a terminal control system includes:
  • a user equipment UE configured to send a device-to-device D2D request message to the base station
  • the base station is configured to receive the D2D request message of the UE, send the request message to the mobility management entity MME, and receive the received D2D characteristic returned by the MME, and then determine whether to accept the D2D request of the UE, if Accepting, performing resource configuration and instructing the UE to perform the accepted D2D feature, otherwise rejecting the D2D request of the UE;
  • the base station is configured to receive the D2D request message of the UE, determine whether to accept the D2D request of the UE, and if yes, send the D2D request message to the mobility management entity MME, and receive the acceptance returned by the MME. After the D2D characteristic, performing resource configuration and instructing the UE to perform the accepted D2D characteristic; otherwise, rejecting the D2D request of the UE;
  • a mobility management entity MME configured to determine a D2D characteristic of the request according to the D2D request message of the UE sent by the base station, and determine a D2D characteristic in the D2D characteristic of the request that is acceptable, and send the received D2D characteristic to Base station.
  • the UE sends a D2D request message to the network side, and the MME determines
  • the D2D feature that is acceptable in the D2D feature requested by the UE sends the received D2D feature to the base station, so that the MME can control the user equipment with proximity sensing capability;
  • the base station determines whether the D2D request of the UE can be accepted before or after receiving the D2D characteristic returned by the MME, determines whether to reject the D2D request of the UE according to the determination result, and when accepting the D2D request of the UE, according to the accepted D2D characteristic returned by the MME.
  • the resource configures and instructs the UE to perform the accepted D2D feature, and implements control of the base station to the user equipment with proximity sensing capability.
  • FIG. 1 is a schematic diagram of a communication manner between UEs in the prior art
  • FIG. 2 is a schematic structural diagram of introducing D2D technology in a network in the prior art
  • FIG. 3 is a schematic structural diagram of a terminal control system according to an embodiment of the present invention
  • 4 is a flowchart of a terminal control method according to an embodiment of the present invention
  • FIG. 5 is a flowchart of another terminal control method according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a specific process of a specific embodiment 1 of the present invention.
  • FIG. 7 is a schematic diagram of a specific process of a second embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a specific process of a third embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a specific process of a fourth embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a specific process of a fifth embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a network side device according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of another network side device according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of another network side device according to an embodiment of the present invention. detailed description
  • the present invention provides a terminal control method, device, and system, in order to implement control of a user equipment having proximity sensing capability when a D2D communication mechanism for mutual discovery or even direct communication between mobile devices is introduced in the network.
  • the D2D feature includes any one of the following: capable of discovering other UEs but not being discoverable by other UEs; being able to be discovered by other UEs but not discovering other UEs; being able to discover other UEs and being able to be discovered by other UEs.
  • This is merely an example, and in practice, the possibility of other D2D characteristics is not excluded, and if present, it can also be used to implement terminal control in the following embodiments provided by the present invention, which is also included in the present invention.
  • a terminal control system which mainly includes a UE 301, a base station 302, and an MME 303, where
  • a UE301 configured to send a D2D request message to the base station 302.
  • the base station 302 is configured to receive the D2D request message of the UE 301, send the request message to the MME 303, and receive the received D2D feature returned by the MME 303, and then determine whether to accept the D2D request of the UE 301. If yes, perform resource configuration and instruct the UE 301 to perform the accepting. D2D feature, otherwise, reject the UE's D2D request;
  • the base station 302 is configured to receive the D2D request message of the UE 301, determine whether to accept the D2D request of the UE 301, and if yes, send the D2D request message to the MME 303, and after receiving the received D2D feature returned by the MME 303, perform resource configuration and indicate UE 301 performs the accepted D2D characteristic; otherwise, rejects the D2D request of UE01;
  • the MME 303 is configured to determine the D2D characteristic of the request according to the D2D request message of the UE 301 sent by the base station 302, determine an acceptable D2D characteristic in the D2D characteristic requested by the UE, and send the received D2D characteristic to the base station 302.
  • the D2D request message carries the requested D2D feature related information and the D2D feature activation/deactivation indication information.
  • the D2D characteristic related information of the UE in the Radio Resource Control (RRC) message or the Non-Access Stratum (NAS) message and the activation/deactivation indication information of the D2D characteristic, that is, the RRC message or the NAS message is used as the D2D request message.
  • RRC Radio Resource Control
  • NAS Non-Access Stratum
  • the MME determines the D2D feature requested by the UE according to the D2D characteristic related information carried in the D2D request message.
  • the base station instructs the UE to activate/deactivate the D2D characteristics accepted by the MME according to the activation/deactivation indication information carried in the D2D request message.
  • the D2D characteristic related information includes any one of the following: indication information indicating the D2D characteristic, a service type for determining the D2D characteristic, and a D2D characteristic.
  • indication information indicating the D2D characteristic
  • service type for determining the D2D characteristic
  • D2D characteristic a D2D characteristic that is not intended to limit the invention. If other types of D2D characteristic related information exist in the actual application, the present invention also includes it.
  • the network side needs to determine the corresponding D2D characteristic according to the specific indication information or the service type, and when the D2D characteristic related information is the D2D characteristic, the network side can directly obtain the D2D characteristic. .
  • the MME determines, according to the mapping relationship between the preset service type and the D2D characteristic, that the D2D characteristic corresponding to the service type carried in the D2D request message is requested by the UE. D2D features.
  • the MME determines that the D2D characteristic corresponding to the indication information carried in the D2D request message is requested by the UE according to the mapping relationship between the preset indication information and the D2D characteristic. D2D features.
  • the specific process of the MME determining the acceptable D2D characteristics is: the MME determines, according to the subscription data of the UE and the network policy, a set of D2D characteristics that can provide services for the UE; the MME belongs to the set of D2D characteristics requested by the UE. The D2D characteristics are determined to be acceptable D2D characteristics.
  • the network policy is mainly used by the subscribed UE in the roaming situation, and the MME serving the current network according to the
  • the UE determines whether to provide the D2D feature service for the UE according to the subscription data saved by the home network and the actual situation of the local network, and provides the proximity sensing service for the UE according to the D2D feature supported by the local network, that is, the D2D feature that the MME can accept simultaneously satisfies.
  • Two conditions The D2D feature of the UE subscription; and the D2D feature supported by the current network.
  • the MME After the MME determines the acceptable D2D characteristics, the MME sends the received D2D feature to the base station. Specifically, the MME may carry the received D2D feature in the initial context setup request message to the base station; or
  • the MME carries the accepted D2D feature in the S1 interface application protocol layer (S 1 -AP ) message and sends it to the base station.
  • S 1 -AP S1 interface application protocol layer
  • the base station after receiving the D2D request message of the UE, the base station, according to the current radio resource usage situation, And the interference strength, etc., to determine whether the UE's D2D request can be accepted; if acceptable, the base station forwards the UE's D2D request message to the MME, and the MME determines the D2D characteristic requested by the UE according to the D2D request message and determines the acceptable D2D.
  • the received D2D feature is sent to the base station, and the base station performs resource configuration according to the D2D characteristics accepted by the MME, and then instructs the UE to perform the D2D feature accepted by the MME; if not, the base station directly rejects the D2D request of the UE, or may not accept the UE.
  • the information of the D2D request informs the MME.
  • the base station after receiving the D2D request message of the UE, the base station directly forwards the message to the MME, and the MME determines the D2D characteristic requested by the UE according to the D2D request message and determines the acceptable D2D characteristic, and then sends the received D2D characteristic to the MME.
  • the base station determines whether the UE can receive the D2D request according to the current radio resource usage and the interference strength. If the base station performs the resource configuration according to the D2D characteristics received by the MME, the base station instructs the UE to perform the D2D feature accepted by the MME. Unacceptable, the base station rejects the D2D request of the UE, and notifies the UE and the MME of the message rejecting the D2D request of the UE.
  • the specific process of the resource configuration by the base station is: the base station allocates resources required to perform the D2D feature accepted by the MME or releases resources occupied by the D2D feature accepted by the MME.
  • resources include public resources and / or dedicated resources.
  • the base station is configured as a dedicated resource for the D2D feature accepted by the MME
  • the configured dedicated resource needs to be notified to other UEs with proximity sensing function in the vicinity of the UE, and the specific notification form may be an RRC message or a broadcast message.
  • the UE performs transmission and/or reception of D2D services (D2D characteristics) based on the configured resources.
  • D2D services D2D characteristics
  • a terminal control method that is, a method in which an MME first performs admission control and a base station performs admission control.
  • the detailed process of the method is as follows:
  • Step 401 The MME receives the D2D request message of the UE sent by the base station, determines the D2D characteristic of the request according to the D2D request message, and determines an acceptable D2D characteristic in the requested D2D characteristic, and sends the received D2D characteristic to the base station.
  • the D2D request message carries the requested D2D feature related information and the D2D feature activation/deactivation indication information.
  • the MME determines the D2D feature requested by the UE according to the D2D characteristic related information carried in the D2D request message.
  • the D2D characteristic related information may be any one of the following: indication information for indicating D2D characteristics; service type for determining D2D characteristics; D2D characteristics.
  • the D2D characteristic related information is used to determine the service type of the D2D characteristic, and the MME # ⁇ determines the D2D characteristic corresponding to the service type carried in the D2D request message as the UE request according to the mapping relationship between the preset service type and the D2D characteristic. D2D features.
  • the MME is configured according to the preset Determining the mapping relationship between the information and the D2D feature, and determining that the D2D characteristic corresponding to the indication information carried in the D2D request message is the D2D characteristic requested by the UE.
  • the MME determines the D2D characteristic in the requested D2D feature, specifically: the MME determines, according to the subscription data of the UE and the network policy, a set of D2D characteristics that can serve the UE; the MME requests the D2D feature of the UE.
  • the D2D characteristics belonging to the set are determined to be acceptable D2D characteristics.
  • the MME sends the received D2D feature to the base station, where the MME may carry the accepted D2D feature in the initial context setup request message and send the message to the base station; or, the MME carries the accepted D2D feature in the S1 - The AP message is sent to the base station.
  • Step 402 After receiving the received D2D feature returned by the MME, the base station determines whether to accept the D2D request of the UE. If yes, the base station performs resource configuration and instructs the UE to perform the accepted D2D feature. Otherwise, the base station rejects the D2D request of the UE.
  • the base station directly sends the D2D request message of the UE to the MME; the MME determines an acceptable D2D characteristic according to the D2D request message of the UE, and sends the received D2D characteristic to the base station; the base station according to the current radio resource usage situation and the interference Intensity, determining whether to accept the D2D request of the UE. If accepted, the base station allocates resources required to perform the D2D feature accepted by the MME or releases resources occupied by the D2D feature accepted by the MME, and instructs the UE to perform the accepted D2D characteristic; otherwise, the base station The UE is not allowed to perform the accepted D2D feature, ie reject the UE's D2D request.
  • the base station instructs the UE to perform the D2D feature accepted by the MME. Specifically, the base station instructs the UE to activate the D2D feature accepted by the MME according to the activation indication information carried in the D2D request message.
  • the base station instructs the UE to perform the D2D feature accepted by the MME, specifically:
  • the deactivation indication information carried in the D2D request message indicates that the UE deactivates the D2D feature accepted by the MME.
  • a terminal control method that is, a method in which a base station first performs admission control and an MME performs admission control.
  • the detailed process of the method is as follows:
  • Step 501 The base station receives the D2D request message of the UE.
  • the D2D request message carries the requested D2D feature related information and the D2D feature activation/deactivation indication information.
  • the D2D characteristic related information includes any one of the following: indication information indicating a D2D characteristic; a service type for determining a D2D characteristic; and a D2D characteristic.
  • Step 502 The base station determines whether to accept the D2D request of the UE. If yes, the D2D request message is sent to the MME, and after receiving the received D2D feature returned by the MME, performing resource configuration and instructing the UE to perform the accepted D2D feature; otherwise, rejecting the UE D2D request.
  • the accepted D2D characteristic returned by ⁇ is the acceptable D2D characteristic in the D2D characteristic requested by the D2D request message determined according to the D2D request message.
  • the MME determines the D2D feature requested by the UE according to the D2D feature related information carried in the D2D request message.
  • the MME determines that the UE can provide the service according to the subscription data of the UE and the network policy.
  • a set of D2D characteristics the MME determines a D2D characteristic belonging to the set among the D2D characteristics requested by the UE as an acceptable D2D characteristic.
  • the MME determines, according to the mapping relationship between the preset service type and the D2D characteristic, that the D2D characteristic corresponding to the service type carried in the D2D request message is requested by the UE. D2D features.
  • the MME determines that the D2D characteristic corresponding to the indication information carried in the D2D request message is requested by the UE according to the mapping relationship between the preset indication information and the D2D characteristic. D2D features.
  • the manner in which the base station receives the received D2D feature returned by the MME may be any one of the following two methods: the base station receives an initial context setup request message that is sent by the MME and carries the received D2D feature, and obtains the received D2D feature. Or, the base station receives the S1-AP message that is sent by the MME and carries the D2D feature accepted by the MME, and acquires the D2D feature accepted by the MME.
  • the base station determines whether to accept the D2D request of the UE according to the current radio resource usage and the interference strength. If yes, the D2D request message of the UE is sent to the MME, and the MME according to the D2D request message of the UE. Determining the acceptable D2D characteristics, and transmitting the received D2D characteristics to the base station, the base station allocates resources required to perform the D2D characteristics accepted by the MME or releases resources occupied by the D2D characteristics accepted by the MME, and instructs the UE to perform the accepted D2D characteristics. If not accepted, the base station directly rejects the UE's D2D request.
  • the base station rejects the D2D request of the UE, and notifies the UE and the MME of the message rejecting the D2D request of the UE.
  • the base station instructs the UE to activate/deactivate the D2D feature accepted by the MME according to the activation/deactivation indication information carried in the D2D request message.
  • e NB is taken as an example for specific description, and the actual application is not limited to e B.
  • the specific embodiment of the present invention is as follows: As shown in FIG. 6, the specific process of the UE activating/deactivating the D2D function during the initial booting process is as follows:
  • Step 601 The UE activates/deactivates the D2D request of the D2D feature to the eNB by using an Attach Request message, and may carry the D2D request through the NAS layer or the RRC message. After receiving the D2D request of the UE, the eNB has two types of D2D requests. Processing method:
  • the eNB directly forwards the D2D request, that is, directly performs step 602;
  • step 602 is executed to send the D2D request to ⁇ ; after determining that the D2D request of the UE cannot be accepted, the information of the D2D request that cannot accept the UE is notified to ⁇ .
  • Step 602 The e B sends an attach request message to the MME.
  • the attach request may be a NAS layer message or an S1-AP layer message that carries the D2D request of the UE.
  • Step 603 The MME performs identity authentication (Authentication) and security authentication (Security) on the UE.
  • Steps 604-605 The MME obtains subscription data of the UE from the HSS by using an Update Location Request (Update Location Request) message and an Update Location Ack message, where the subscription data includes the D2D characteristics of the UE subscription.
  • Update Location Request Update Location Request
  • Update Location Ack Update Location Ack
  • Steps 606-609 The core network establishes a user plane bearer for the UE. Specifically, the MME sends a Create Session Request to the Serving GW (SGW), and the Serving Gateway sends the Create Session Request to the Packet Data Network Gateway. (PDN GW), the PDN GW interacts with the Policy Control and Charging Rules Function (PCRF), which is initiated by the PCRF after the IP-CAN Session Established/Modification process is initiated. The PDN GW returns a create session response to the SGW, and the downlink setup is completed. If the link switch is not performed, the PDN GW may send the first downlink data (First Downlink Data) to the SGW, and the MME receives the creation of the PDN GW return. Session response.
  • SGW Serving GW
  • PCRF Policy Control and Charging Rules Function
  • Step 610 The MME determines the D2D characteristics requested by the UE according to the D2D request of the UE, and determines the D2D characteristics allowed in the D2D feature requested by the UE according to the subscription data of the UE and the network policy, and the MME returns the MME in the initial UE context establishment process. Accept the D2D characteristics to e B.
  • Step 611 After receiving the initial UE context setup request message of the MME, the eNB performs the following two processes: The first processing manner corresponding to step 601: The eNB determines to accept the D2D of the UE according to the current radio resource usage situation and the interference strength.
  • the UE After the request, the UE is allocated or released the resources occupied by the D2D feature accepted by the MME; after determining that the D2D request of the UE cannot be accepted, the information about the D2D request of the UE cannot be notified to the MME and the UE; After the eNB allocates or releases the resources occupied by the D2D feature accepted by the MME, the eNB sends an RRC Connection Reconfiguration (RRC Connection Reconfiguration) message to the UE, where the message carries the D2D feature accepted by the MME.
  • RRC Connection Reconfiguration RRC Connection Reconfiguration
  • the eNB sends the allocated or released resource information and the D2D characteristics accepted by the MME to the UE, and the UE activates/deactivates the D2D characteristics accepted by the MME returned by the eNB.
  • Step 612 After the UE returns an RRC connection reconfiguration complete message to the eNB, the eNB returns an initial UE context establishment response message to the MME.
  • the eNB carries the result of whether the eNB accepts the D2D request of the UE in the message.
  • Step 613 619 The UE accesses the network and completes the bearer setup process.
  • the specific process is: the UE sends a Direct Transfer message to the eNB, and the eNB sends an MME to the MME to send the Attach Complete.
  • the UE establishes an uplink, and the UE may send the first uplink data (First Uplink Data) to the PDN GW.
  • the MME sends a Modify Bearer Request to the SGW.
  • the SGW requests the PDN GW to modify the bearer, and forwards the modified Bearer Response to the MME after receiving the Modify Bearer Response returned by the PDN GW. So far, the bearer modification process is completed, and the PDN GW can send the first downlink data to the UE.
  • the MME initiates a Notify request to the HSS and receives a Notify response returned by the HSS.
  • Step 701 The UE sends a D2D request to the eNB by using a Service Request message to activate/deactivate the D2D feature, and the D2D request may be carried in the NAS layer or the RRC layer message.
  • the eNB receives the D2D request from the UE, there are two ways to handle it:
  • the eNB In the first processing mode, the eNB directly forwards the D2D request to the MME;
  • the e B sends the D2D request to the MME according to the current radio resource usage and the interference strength. After determining that the D2D request of the UE cannot be accepted, the D2D of the UE cannot be accepted. The requested information is notified to the MME.
  • Step 702 The eNB sends a Service Request message to the MME, where the Service Request message may be a NAS layer or an S1-AP layer message.
  • Step 703 The MME performs identity authentication (Authentication) and security authentication (Security) on the UE.
  • Step 705 After receiving the initial UE context setup request message of the MME, the eNB performs the following two processes: The first processing mode corresponding to step 701: The eNB determines to accept the D2D of the UE according to the current radio resource usage situation and the interference strength.
  • the UE occupies or releases the resources occupied by the D2D feature accepted by the MME; after determining that the D2D request of the UE cannot be accepted, the information about the D2D request of the UE cannot be notified to the MME and the UE; After the eNB allocates or releases the resources occupied by the D2D feature accepted by the MME, the eNB sends an RRC Connection Reconfiguration (RRC Connection Reconfiguration) message to the UE, where the message carries the D2D feature accepted by the MME.
  • RRC Connection Reconfiguration RRC Connection Reconfiguration
  • the eNB sends the allocated or released resource information and the D2D characteristics accepted by the MME to the UE, and the UE activates/deactivates the D2D characteristics accepted by the MME returned by the eNB.
  • Step 706 The UE sends uplink data (Uplink Data) to the network side.
  • Step 707 The eNB returns a response message that the initial UE context establishment is completed to the MME.
  • the response message carries a result of whether the eNB accepts the D2D request of the UE.
  • Steps 708-712 The MME sends a Modify Bearer Request to the SGW. After the SGW forwards the PDN to the PDN, the PDN GW initiates an IP-CAN session modification process to the PCRF, and the PDN GW returns a Modify Bearer response to the SGW. Response ), the SGW sends the response to the MME.
  • the specific process of activating, deactivating, and deactivating a D2D feature in an idle state UE using a Tracking Area Update (TAU) process in the specific embodiment is as follows:
  • Step 801 The UE triggers the start of the TAU process.
  • Step 802 The UE sends the D2D request to the eNB through the TAU request message, and the D2D request of the D2D feature is carried in the NAS layer or the RRC layer message. After the eNB receives the D2D request from the UE, there are two ways to handle it:
  • the eNB In the first processing mode, the eNB directly forwards the D2D request to the MME;
  • the e B sends the D2D request to the MME according to the current radio resource usage and the interference strength. After determining that the D2D request of the UE cannot be accepted, the D2D of the UE cannot be accepted. The requested information is notified to the MME.
  • Step 803 The eNB requests a message to the new MME (ie, roaming MME) TAU, and the TAU request message may be a NAS layer or an S1-AP layer message.
  • the new MME ie, roaming MME
  • the TAU request message may be a NAS layer or an S1-AP layer message.
  • Step 804 807 The new MME obtains the subscription data of the UE from the old MME (ie, the subscription MME), and the subscription data includes the D2D feature of the UE subscription. Specifically, the new MME sends a context request (Context Request) to the old MME, and the old MME carries the subscription data of the UE in the returned context response (Context Response). After the new MME performs identity authentication and security authentication on the UE, it returns a response message (Context Acknowledge) to the old MME.
  • Context Request context request
  • Context Response the subscription data of the UE in the returned context response
  • the new MME After the new MME performs identity authentication and security authentication on the UE, it returns a response message (Context Acknowledge) to the old MME.
  • the new MME determines the D2D characteristics requested by the UE according to the D2D request of the UE, and determines the D2D characteristics allowed in the D2D feature requested by the UE according to the subscription data of the obtained UE and the network policy.
  • Steps 808 ⁇ 819 The core network establishes a user plane bearer for the UE.
  • the new MME initiates a create session request to the corresponding new SGW.
  • the new SGW initiates a modify bearer request to the PDN GW.
  • the PDN GW returns to the new SGW.
  • the bearer response is modified, and the new SGW returns a create session response to the new MME.
  • the HSS sends an Update Location message, and the HSS sends a Cancel Location message to the old MME. After the old MME returns a Cancel Location Ack to the HSS, the HSS returns an Update Location Ack to the new MME.
  • the new MME sends a D2D request to the eNB, and sends the D2D feature received by the new MME to the eNB.
  • the eNB determines whether the UE can receive the D2D request according to the current radio resource usage, the interference strength, and the like.
  • the MME returns a D2D response, which carries the result of accepting the D2D request of the UE.
  • the first processing mode in step 802 is applicable only, and the second processing mode in step 802 is not applicable.
  • the old MME sends a Delete Session Request to the corresponding old SGW, and receives the Delete Session Response returned by the old SGW.
  • Step 820 The new MME returns the D2D characteristics received by the new MME to the eNB in the initial UE context setup process or the NAS layer downlink direct transmission message.
  • the eNB performs resource allocation or release according to the D2D characteristics accepted by the new MME, and then sends the network side to the UE.
  • the result of the admission includes the D2D characteristics accepted by the new MME and the information of the resources configured or released by the eNB.
  • the UE activates/deactivates the corresponding D2D characteristics according to the acceptance result returned by the network side, and performs subsequent D2D operations.
  • the new MME sends a TAU Accept (TAU Accept) message to the eNB, and then the eNB forwards the message to the UE.
  • TAU Accept TAU Accept
  • Step 821 The UE returns a TAU Complete (TAU Complete) message of the NAS layer to the new MME via the eNB.
  • TAU Complete TAU Complete
  • the new NAS procedure or the RRC procedure or the S1-AP procedure may be used, and the MME performs the admission decision.
  • the specific process of the admission judgment by the eNB is as follows:
  • Step 901 The UE sends a request message for activating/deactivating the D2D feature to the eNB, where the message may be a NAS layer or an RRC layer message.
  • Step 902 The eNB sends a request message for activating/deactivating the D2D feature to the MME, where the message may be a NAS layer or an S1-AP layer message.
  • Step 903 The MME determines the D2D characteristics requested by the UE, and determines the D2D characteristics allowed in the D2D feature requested by the UE according to the subscription data of the obtained UE and the network policy. If the MME does not allow the D2D request to access the UE, the refusal message is returned. If access is allowed, a D2D resource request message is sent to the eNB.
  • Step 904 After receiving the D2D resource request message of the MME, the eNB performs D2D resource confirmation, determines whether to accept the D2D request of the UE according to the current radio resource usage, the interference strength, and the like, and returns the result to the MME.
  • Step 905 The MME returns an activation/deactivation D2D feature confirmation message to the eNB, where the message carries the D2D characteristic accepted by the MME.
  • Step 906 After the eNB allocates resources for the D2D feature accepted by the MME, the eNB returns an activation/deactivation D2D feature confirmation message to the UE, where the message carries the D2D feature accepted by the MME.
  • the new NAS procedure or the RRC procedure or the S1-AP procedure may be used, and the eNB performs the admission decision.
  • the specific process of the admission decision by the MME is as follows:
  • Step 1001 The UE sends a request message for activating/deactivating the D2D feature to the eNB, and the message may be a NAS layer or an RRC layer message.
  • the eNB determines whether to accept the D2D request of the UE according to the current radio resource usage, the interference strength, and the like, and directly rejects the UE request if it is unacceptable.
  • Step 1002 The eNB sends a request message for activating/deactivating the D2D feature to the MME, where the message may be a NAS layer or an S1-AP layer message.
  • Step 1003 The MME determines the D2D characteristics requested by the UE, and determines the D2D characteristics allowed in the D2D feature requested by the UE according to the subscription data of the obtained UE and the network policy. If the MME does not allow the D2D request to access the UE, the refusal message is returned. The access is allowed, and the MME returns the D2D characteristic accepted by the MME to e B in the acknowledgement message of activating/deactivating the D2D feature, and requests the D2D resource from the eNB.
  • Step 1004 After receiving the acknowledgment message of the MME to activate/deactivate the D2D feature, the eNB sends an acknowledgment message for activating/deactivating the D2D feature to the UE after configuring (allocating or releasing) the corresponding resource, where the MME accepts the MME. D2D features.
  • the UE may first enter the connected state by using the existing service request/TAU process, and then use the specific embodiment 4 or the specific implementation.
  • the new NAS process or RRC process or S1-AP process in Example 5 controls the operation of activating/deactivating the D2D feature.
  • the embodiment of the present invention further provides a network side device.
  • the network side device refer to the specific implementation of the MME in the foregoing embodiment, and repeat
  • the details of the network side device are as follows:
  • the receiving unit 1101 is configured to receive a D2D request message of the UE sent by the base station;
  • Determining unit 1102 configured to determine a D2D characteristic of the request according to the D2D request message, and determine a D2D characteristic in the acceptable D2D characteristic that is acceptable;
  • the sending unit 1103 is configured to send the received D2D characteristic to the base station.
  • the receiving unit 1101 and the sending unit 1103 may be transmission devices having a transceiving function, and the determining unit 1102 may be a device such as a processor.
  • the determining unit is specifically configured to: determine, according to the D2D characteristic related information carried in the D2D request message, the D2D characteristic requested by the UE.
  • the D2D characteristic related information includes: indication information for indicating a D2D characteristic, a service type for determining a D2D characteristic, or a D2D characteristic.
  • the determining unit is specifically configured to: when the D2D characteristic related information is a service type for determining the D2D characteristic, determine the D2D corresponding to the service type carried in the D2D request message according to the mapping relationship between the preset service type and the D2D characteristic. characteristic.
  • the determining unit is specifically configured to: when the D2D characteristic related information is the indication information for indicating the D2D characteristic, determine the D2D corresponding to the indication information carried in the D2D request message according to the mapping relationship between the preset indication information and the D2D characteristic. characteristic.
  • the sending unit is specifically configured to: determine, according to the subscription data of the UE and the network policy, a set of D2D characteristics that can provide services for the UE, and determine a D2D characteristic that belongs to the set in the D2D characteristics requested by the UE as an acceptable D2D characteristic.
  • the sending unit is specifically configured to: send the accepted D2D feature in an initial context setup request message. To the base station; or, the received D2D feature is carried in the S1-AP message and sent to the base station.
  • the embodiment of the present invention further provides a network side device.
  • the network side equipment mainly includes:
  • the communication unit 1201 is configured to receive a D2D request message of the UE, send the D2D request message to the MME, and receive the received D2D characteristic returned by the MME, where the received D2D characteristic is acceptable by the MME according to the D2D request message. D2D characteristics in the D2D characteristics requested by the D2D request message;
  • the processing unit 1202 is configured to: after receiving the received D2D feature, the communication unit 1201 determines whether to accept the D2D request of the UE, and if yes, performs resource configuration and instructs the UE to perform the accepted D2D feature; otherwise, rejects the D2D request of the UE.
  • the communication unit 1201 may be a transmission device having a transceiving function
  • the processing unit 1202 may be a device such as a processor.
  • the processing unit is specifically configured to: determine whether to accept the request of the UE according to the current radio resource usage situation and the interference strength.
  • the processing unit is specifically configured to: if accepting the D2D request of the UE, allocate resources required to perform the D2D feature accepted by the MME or release resources occupied by the accepted D2D feature.
  • the processing unit is specifically configured to: after accepting the D2D request of the UE and performing resource configuration, instructing the UE to activate/deactivate the accepted D2D feature according to the activation/deactivation indication information carried in the D2D request message.
  • the embodiment of the present invention further provides a network side device, and the specific implementation of the network side device may refer to the specific implementation of the eNB in the foregoing third embodiment. , the repetition will not be repeated, the network side equipment mainly includes:
  • the receiving unit 1301 is configured to receive a D2D request message of the UE.
  • the processing unit 1302 is configured to determine whether to accept the D2D request of the UE. If yes, send the D2D request message to the MME, and after receiving the received D2D feature returned by the MME, perform resource configuration to instruct the UE to perform the accepted D2D feature; otherwise, The D2D request of the UE is rejected, wherein the accepted D2D characteristic is a D2D characteristic in the D2D characteristic requested by the DM D2D request message determined by the MME according to the D2D request message.
  • the receiving unit 1301 may be a transmission device having a transceiving function
  • the processing unit 1302 may be a device such as a processor.
  • the processing unit is specifically configured to: determine, according to the current radio resource usage situation and the interference strength, whether to accept the D2D request of the UE.
  • the processing unit is specifically configured to: after receiving the D2D request of the UE and receiving the accepted D2D feature returned by the MME, allocate resources required to execute the accepted D2D feature or release resources occupied by the accepted D2D feature.
  • the processing unit is specifically configured to: after performing resource configuration, the activation indication information carried in the D2D request message, instructing the UE to activate the accepted D2D feature;
  • the processing unit is specifically configured to: after performing resource configuration, instructing the UE to deactivate the accepted D2D feature according to the deactivation indication information carried in the D2D request message.
  • the processing unit is specifically configured to: receive an initial context setup request message that is sent by the MME and that carries the received D2D feature, and obtain the received D2D feature; or: receive the S1-AP that is sent by the MME and carries the received D2D feature. Message, and get the accepted D2D characteristics.
  • the UE sends a D2D request message to the network side, and the MME determines the D2D characteristic that is acceptable in the D2D feature requested by the UE, and sends the received D2D feature to the base station, so that the MME has proximity sensing. Control of the capabilities of the user equipment;
  • the base station determines whether the D2D request of the UE can be accepted before or after receiving the D2D characteristic returned by the MME, determines whether to reject the D2D request of the UE according to the determination result, and when accepting the D2D request of the UE, according to the accepted D2D characteristic returned by the MME.
  • the resource configures and instructs the UE to perform the accepted D2D feature, and implements control of the base station to the user equipment with proximity sensing capability.

Abstract

本发明公开了一种终端控制方法及设备,用以在网络中引入移动设备之间的互相发现甚至直接通信的D2D通信机制时,实现对具有接近感知能力的用户设备的控制。该方法为:MME接收基站发送的UE的D2D请求消息,根据该D2D请求消息确定请求的D2D特性,并确定能够接受的、请求的D2D特性中的D2D特性,以及将接受的D2D特性发送给基站;基站接收MME返回的接受的D2D特性后,判断是否接受UE的D2D请求,若接受,基站进行资源配置并指示UE执行该接受的D2D特性,否则,基站拒绝UE的D2D请求。本发明同时公开了另一终端控制方法及设备,还公开了一种终端控制系统。

Description

一种终端控制方法、 设备及系统 本申请要求在 2012年 8月 8日提交中国专利局、 申请号为 201210281091 .1、 发明名称 为"一种终端控制方法、 设备及系统"的中国专利申请的优先权, 其全部内容通过引用结合 在本申请中。
技术领域
本发明涉及通信技术领域, 尤其涉及一种终端控制方法、 设备及系统。 背景技术
移动通信系统一般由终端、 无线接入网和核心网构成。 其中, 演进的通用陆地无线接 入网 ( Evolved Universal Terrestrial Radio Access Network , E-UTRAN )是一种由彼此相互 连的 (演进型)基站((e)Node B, (e) B )构成的无线接入系统。 演进数据核心 (Evolved Packet Core, EPC )是一种核心网系统, EPC 中包含家乡签约服务器 (Home Subscriber Server, HSS )、 移动性管理实体( Mobility Management Entity, MME )和网关( Gateway ), HSS用于存储用户的签约数据、 MME用于实现对用户设备 ( User Equipment, UE ) 的移 动性管理、 网关用于实现对 UE用户面数据的存储、 转发和路由功能。
而对于 UE之间相互通信的场景, 终端必须依靠基站以及网关提供的中继和代理功能 才能实现终端间通信。
在长期演进(Long Term Evolution, LTE ) 系统中, 釆取的是网络集中控制方式, 即用 户设备 ( User Equipment, UE ) 的上下行数据都在网络的控制下进行发送和接收, UE 与 UE之间不存在直接的通信链路, 两者之间的通信需要通过网络进行转发和控制, 也不允 许 UE自行发送上行数据, 如附图 1所示。
现有技术中, 单纯的设备到设备(Device to Device, D2D ) 的通信, 是指终端和终端 之间通过蓝牙、 无线保真 (Wifi )等技术直接通信, 这种通信利用的是免授权频段资源, 是用户自身的行为, 不受网络运营商的管理和控制, 应用场景比较受限。
另一种模式下是将 D2D技术引入到移动通信运营商网络中,该通信模式下终端之间允 许进行一定的直接通信,一个终端可以通过 D2D方式直接从其它终端获得信息,这些直接 通信链路可以是在网络控制或者辅助下建立起来的,终端之间进行 D2D通信的基础是对靠 近的终端进行发现。 如附图 2所示, 在核心网 (CN ) 的控制下演进型基站(eNodeB, 筒 称 eNB )分别与 UE1、 UE2建立上 /下行通信链路(Uplink/Downlink ) 以对 UE1、 UE2进 行配置, 配置后的两个 UE可以基于配置信息 D2D通信。
现有技术中, 并没有针对如何对具有接近感知功能的终端进行控制制定相关方案。 发明内容
本发明提供一种终端控制方法、 设备及系统, 用以在网络中引入移动设备之间的互相 发现甚至直接通信的 D2D 通信机制时, 实现对具有接近感知能力的用户设备 (User Equipment, UE ) 的控制。
本发明实施例提供的具体技术方案如下:
一种终端控制方法, 包括:
移动性管理实体 MME接收基站发送的来自于用户设备 UE的设备到设备 D2D请求消 息, 据所述 D2D请求消息确定请求的 D2D特性, 并确定能够接受的所述请求的 D2D特 性中的 D2D特性, 以及将接受的 D2D特性发送给基站;
所述基站接收所述 MME返回的所述接受的 D2D特性后, 判断是否接受所述 UE的
D2D请求, 若接受, 所述基站进行资源配置并指示 UE执行所述接受的 D2D特性, 否则, 所述基站拒绝所述 UE的 D2D请求。
一种终端控制方法, 包括:
基站接收来自用户设备 UE的设备到设备 D2D请求消息;
所述基站判断是否接受所述 UE的 D2D请求, 若接受, 将所述 D2D请求消息发送给 移动性管理实体 MME, 接收所述 MME返回的接受的 D2D特性后, 进行资源配置并指示 所述 UE执行所述接受的 D2D特性; 否则, 拒绝所述 UE的 D2D请求;
所述接受的 D2D特性为所述 MME根据所述 D2D请求消息确定的、 能够接受的所述 D2D请求消息所请求的 D2D特性中的 D2D特性。
一种网络侧设备, 包括:
接收单元, 用于接收基站发送的来自于用户设备 UE的设备到设备 D2D请求消息; 确定单元, 用于#>据所述 D2D请求消息确定请求的 D2D特性, 并确定能够接受的所 述请求的 D2D特性中的 D2D特性;
发送单元, 用于将接受的 D2D特性发送给基站。
一种网络侧设备, 包括:
通信单元, 用于接收来自于用户设备 UE的设备到设备 D2D请求消息, 将所述 D2D 请求消息发送给移动性管理实体 MME, 以及接收所述 MME返回的接受的 D2D特性, 其 中, 所述接受的 D2D特性为所述 MME根据所述 D2D请求消息确定的、 能够接受的所述 D2D请求消息所请求的 D2D特性中的 D2D特性;
处理单元, 用于在所述通信单元接收所述接受的 D2D特性后, 判断是否接受所述 UE 的 D2D请求, 若接受, 进行资源配置并指示 UE执行所述接受的 D2D特性, 否则, 拒绝 所述 UE的 D2D请求。
一种网络侧设备, 包括: 接收单元, 用于接收来自于用户设备 UE的设备到设备 D2D请求消息; 处理单元, 用于判断是否接受所述 UE的 D2D请求, 若接受, 将所述 D2D请求消息 发送给移动性管理实体 MME, 接收所述 MME返回的接受的 D2D特性后, 进行资源配置 指示所述 UE执行所述接受的 D2D特性; 否则, 拒绝所述 UE的 D2D请求, 其中, 所述 接受的 D2D特性为所述 MME根据所述 D2D请求消息确定的、能够接受的所述 D2D请求 消息所请求的 D2D特性中的 D2D特性。
一种终端控制系统, 包括:
用户设备 UE , 用于向基站发送设备到设备 D2D请求消息;
基站, 用于接收所述 UE的 D2D请求消息, 将所述请求消息发送给移动性管理实体 MME,并接收所述 MME返回的接受的 D2D特性后,判断是否接受所述 UE的 D2D请求, 若接受, 进行资源配置并指示所述 UE执行所述接受的 D2D特性, 否则, 拒绝所述 UE的 D2D请求;
或者, 基站用于接收所述 UE的 D2D请求消息, 判断是否接受所述 UE的 D2D请求, 若接受, 将所述 D2D请求消息发送给移动性管理实体 MME, 并在接收所述 MME返回的 接受的 D2D特性后, 进行资源配置并指示所述 UE执行所述接受的 D2D特性; 否则, 拒 绝所述 UE的 D2D请求;
移动性管理实体 MME, 用于根据所述基站发送的所述 UE的 D2D请求消息确定请求 的 D2D特性, 并确定能够接受的所述请求的 D2D特性中的 D2D特性, 将接受的 D2D特 性发送给基站。
基于上述技术方案, 本发明实施例中, UE向网络侧发送 D2D请求消息, MME确定
UE所请求的 D2D特性中能够接受的 D2D特性, 将接受的 D2D特性发送给基站, 实现 MME对具有接近感知能力的用户设备的控制;
基站在接收 MME返回的 D2D特性之前或之后判断是否能够接受 UE的 D2D请求, 根据判断结果确定是否拒绝 UE的 D2D请求,并在能够接受 UE的 D2D请求时,根据 MME 返回的接受的 D2D特性进行资源配置并指示 UE执行该接受的 D2D特性, 实现基站对具 有接近感知能力的用户设备的控制。
综上, 能够在网络中引入移动设备之间的互相发现甚至直接通信的 D2D通信机制时, 实现对具有接近感知能力的用户设备的控制。 附图说明
图 1为现有技术中 UE之间的通信方式示意图;
图 2为现有技术中在网络引入 D2D技术的结构示意图;
图 3为本发明实施例中终端控制系统的架构示意图; 图 4为本发明实施例中终端控制方法流程图;
图 5为本发明实施例中另一终端控制方法流程图;
图 6为本发明具体实施例一的具体过程示意图;
图 7为本发明具体实施例二的具体过程示意图;
图 8为本发明具体实施例三的具体过程示意图;
图 9为本发明具体实施例四的具体过程示意图;
图 10为本发明具体实施例五的具体过程示意图;
图 11为本发明实施例中网络侧设备结构示意图;
图 12为本发明实施例中另一网络侧设备结构示意图;
图 13为本发明实施例中另一网络侧设备结构示意图。 具体实施方式
为了能够在网络中引入移动设备之间的互相发现甚至直接通信的 D2D通信机制时,实 现对具有接近感知能力的用户设备的控制, 本发明实施例提供了一种终端控制方法、 设备 及系统。
下面结合附图对本发明优选的实施方式进行详细说明。
以下实施例中, D2D特性包括以下任意一种: 能够发现其他 UE但不能被其他 UE发 现; 能够被其他 UE发现但不能发现其他 UE; 能够发现其他 UE且能够被其他 UE发现。 此处仅为举例, 实际应用中, 也不排除存在其他的 D2D特性的可能性, 若存在, 其也可用 于本发明提供的以下实施例实现终端控制, 本发明也将其包括在内。
第一实施例中, 如附图 3所示, 提供了一种终端控制系统, 该系统主要包括 UE301、 基站 302和 MME303 , 其中,
UE301 , 用于向基站 302发送 D2D请求消息;
基站 302, 用于接收 UE301的 D2D请求消息, 将该请求消息发送给 MME303 , 并接 收 MME303返回的接受的 D2D特性后, 判断是否接受 UE301的 D2D请求, 若接受, 进 行资源配置并指示 UE301执行接受的 D2D特性, 否则, 拒绝 UE的 D2D请求;
或者, 基站 302用于接收 UE301的 D2D请求消息, 判断是否接受 UE301的 D2D请 求, 若接受, 将该 D2D请求消息发送给 MME303 , 并在接收 MME303返回的接受的 D2D 特性后, 进行资源配置并指示 UE301执行该接受的 D2D特性; 否则, 拒绝 UE01的 D2D 请求;
MME303 , 用于根据基站 302发送的 UE301的 D2D请求消息确定请求的 D2D特性, 确定能够接受的、 UE请求的 D2D特性中的 D2D特性, 并将接受的 D2D特性发送给基站 302。 其中, D2D请求消息中携带有请求的 D2D特性相关信息以及 D2D特性的激活 /去激活 指示信息。
较佳地, UE在无线资源控制 (RRC ) 消息或非接入层(NAS ) 消息中的 D2D特性相 关信息以及 D2D特性的激活 /去激活指示信息, 即将 RRC消息或 NAS消息作为 D2D请求 消息。
具体地, MME根据 D2D请求消息中携带的 D2D特性相关信息,确定 UE请求的 D2D 特性。
具体地, 基站根据 D2D请求消息中携带的激活 /去激活指示信息, 指示 UE激活 /去激 活 MME接受的 D2D特性。
较佳地, D2D特性相关信息包括以下任意一种: 用于指示 D2D特性的指示信息, 用 于确定 D2D特性的业务类型, D2D特性。 此处仅为举例, 并不用于限制本发明, 实际应 用中若存在其它类型的 D2D特性相关信息, 本发明也将其包括在内。
其中, D2D特性相关信息为指示信息和业务类型时, 均需要网络侧根据具体的指示信 息或业务类型确定对应的 D2D特性, 而在 D2D特性相关信息为 D2D特性时, 网络侧可直 接获得 D2D特性。
具体地, 在 D2D特性相关信息为用于确定 D2D特性的业务类型时, MME根据预设 的业务类型与 D2D特性的映射关系,确定 D2D请求消息中携带的业务类型对应的 D2D特 性为 UE请求的 D2D特性。
具体地, 在 D2D特性相关信息为用于指示 D2D特性的指示信息时, MME根据预设 的指示信息与 D2D特性的映射关系,确定 D2D请求消息中携带的指示信息对应的 D2D特 性为 UE所请求的 D2D特性。
本实施例中, MME确定能够接受的 D2D特性的具体过程为: MME根据 UE的签约 数据以及网络策略确定能够为 UE提供服务的 D2D特性的集合; MME将 UE请求的 D2D 特性中属于该集合的 D2D特性确定为能够接受的 D2D特性。
其中, 网络策略主要用于签约的 UE在漫游情况下, 为当前网络服务的 MME根据该
UE在归属网络保存的签约数据以及本地网络的实际情况判断是否为该 UE提供 D2D特性 服务, 以及根据本地网络所支持的 D2D特性为该 UE提供接近感知服务, 即 MME能够接 受的 D2D特性同时满足两个条件: 是 UE签约的 D2D特性; 以及是当前网络支持的 D2D 特性。
其中, MME在确定能够接受的 D2D特性后, 将接受的 D2D特性发送给基站, 具体 地,可以是 MME将接受的 D2D特性携带在初始上下文建立请求消息中发送给基站;或者,
MME将接受的 D2D特性携带在 S 1接口应用协议层( S 1 -AP ) 消息中发送给基站。
在一个具体实现中,基站接收 UE的 D2D请求消息后,根据当前无线资源使用情况以 及千扰强度等, 判断是否能够接受 UE的 D2D请求; 若能接受, 基站再将 UE的 D2D请 求消息前传给 MME, 由 MME根据 D2D请求消息确定 UE所请求的 D2D特性以及确定能 够接受的 D2D特性后, 将接受的 D2D特性发送给基站, 基站再根据 MME接受的 D2D特 性进行资源配置后指示 UE执行 MME接受的 D2D特性; 若不能接受, 基站直接拒绝 UE 的 D2D请求, 或者将不能接受 UE的 D2D请求的信息通知 MME。
在另一个具体实现中,基站接收 UE的 D2D请求消息后, 直接前传给 MME, 由 MME 根据 D2D请求消息确定 UE所请求的 D2D特性以及确定能够接受的 D2D特性后, 将接受 的 D2D特性发送给基站;基站根据当前无线资源使用情况以及千扰强度等,判断是否能够 接受 UE的 D2D请求; 若能够接受, 则基站根据 MME接受的 D2D特性进行资源配置后 指示 UE执行 MME接受的 D2D特性; 若不能接受,基站拒绝 UE的 D2D请求, 并将拒绝 UE的 D2D请求的消息通知给 UE和 MME。
本实施例中,基站进行资源配置的具体过程为: 基站分配执行 MME接受的 D2D特性 所需占用的资源或释放 MME接受的 D2D特性占用的资源。
其中, 资源包括公共资源和 /或专用资源。
具体地, 若基站为 MME接受的 D2D特性配置的为专用资源, 需要将配置的专用资源 通知 UE附近的具有接近感知功能的其它 UE, 具体通知形式可以是釆用 RRC消息或广播 消息。
其中, UE基于配置的资源进行 D2D业务(D2D特性) 的发送和 /或接收。
第二实施例中, 如附图 4 所示, 基于同一发明构思, 提供了一种终端控制方法, 即 MME先进行接纳控制、 基站后进行接纳控制的方法, 该方法的详细流程如下:
步骤 401: MME接收基站发送的 UE的 D2D请求消息, 根据该 D2D请求消息确定 请求的 D2D特性, 并确定能够接受的、 请求的 D2D特性中的 D2D特性, 以及将接受的 D2D特性发送给基站。
其中, D2D请求消息中携带有请求的 D2D特性相关信息以及 D2D特性的激活 /去激活 指示信息。
具体地, MME根据 D2D请求消息中携带的 D2D特性相关信息,确定 UE请求的 D2D 特性。
本实施例中, D2D特性相关信息可以是以下任意一种: 用于指示 D2D特性的指示信 息; 用于确定 D2D特性的业务类型; D2D特性。
其中, 在 D2D特性相关信息为用于确定 D2D特性的业务类型时, MME # ^据预设的 业务类型与 D2D特性的映射关系,确定 D2D请求消息中携带的业务类型对应的 D2D特性 为 UE请求的 D2D特性。
其中, 在 D2D特性相关信息为用于指示 D2D特性的指示信息时, MME根据预设的 指示信息与 D2D特性的映射关系,确定 D2D请求消息中携带的指示信息对应的 D2D特性 为 UE请求的 D2D特性。
具体地, MME确定能够接受的、 请求的 D2D特性中的 D2D特性, 具体为: MME根 据 UE的签约数据以及网络策略确定能够为 UE提供服务的 D2D特性的集合; MME将 UE 请求的 D2D特性中属于该集合的 D2D特性确定为能够接受的 D2D特性。
本实施例中, MME将接受的 D2D特性发送给基站,具体可以为: MME将接受的 D2D 特性携带在初始上下文建立请求消息中发送给基站; 或者, MME将接受的 D2D特性携带 在 S 1 -AP消息中发送给基站。
步骤 402:基站接收 MME返回的接受的 D2D特性后,判断是否接受 UE的 D2D请求, 若接受, 基站进行资源配置并指示 UE执行该接受的 D2D特性, 否则, 基站拒绝 UE的 D2D请求。
具体实现中, 基站直接将 UE的 D2D请求消息发送给 MME; MME根据 UE的 D2D 请求消息确定能够接受的 D2D特性, 并将接受的 D2D特性发送给基站; 基站根据当前无 线资源使用情况以及千扰强度, 判断是否接受 UE的 D2D请求, 若接受, 基站分配执行 MME接受的 D2D特性所需占用的资源或释放 MME接受的 D2D特性占用的资源,并指示 UE执行该接受的 D2D特性; 否则, 基站不允许 UE执行该接受的 D2D特性, 即拒绝 UE 的 D2D请求。
本实施例中, 基站进行资源配置后指示 UE执行 MME接受的 D2D特性, 具体为: 基 站根据 D2D请求消息中携带的激活指示信息, 指示 UE激活 MME接受的 D2D特性。
或者, 基站进行资源配置后指示 UE执行 MME接受的 D2D特性, 具体为: 基站根据
D2D请求消息中携带的去激活指示信息, 指示 UE去激活 MME接受的 D2D特性。
第三实施例中, 如附图 5所示, 基于同一发明构思, 提供了一种终端控制方法, 即基 站先进行接纳控制、 MME后进行接纳控制的方法, 该方法的详细流程如下:
步骤 501 : 基站接收 UE的 D2D请求消息。
其中, D2D请求消息中携带有请求的 D2D特性相关信息以及 D2D特性的激活 /去激活 指示信息。
具体地, D2D特性相关信息包括以下任意一种: 用于指示 D2D特性的指示信息; 用 于确定 D2D特性的业务类型; D2D特性。
步骤 502: 基站判断是否接受 UE的 D2D请求, 若接受, 将该 D2D请求消息发送给 MME, 接收 MME返回的接受的 D2D特性后, 进行资源配置并指示 UE执行接受的 D2D 特性; 否则, 拒绝 UE的 D2D请求。
其中,ΜΜΕ返回的接受的 D2D特性为 ΜΜΕ根据 D2D请求消息确定的、能够接受的、 D2D请求消息所请求的 D2D特性中的 D2D特性。 其中, 基站将 UE的 D2D请求消息发送给 MME后, MME根据 D2D请求消息中携带 的 D2D特性相关信息, 确定 UE请求的 D2D特性; MME根据 UE的签约数据以及网络策 略确定能够为 UE提供服务的 D2D特性的集合; MME将 UE请求的 D2D特性中属于该集 合的 D2D特性确定为能够接受的 D2D特性。
具体地, 在 D2D特性相关信息为用于确定 D2D特性的业务类型时, MME根据预设 的业务类型与 D2D特性的映射关系,确定 D2D请求消息中携带的业务类型对应的 D2D特 性为 UE请求的 D2D特性。
具体地, 在 D2D特性相关信息为用于指示 D2D特性的指示信息时, MME根据预设 的指示信息与 D2D特性的映射关系,确定 D2D请求消息中携带的指示信息对应的 D2D特 性为 UE请求的 D2D特性。
本实施例中,基站接收 MME返回的接受的 D2D特性的方式可以为以下两种方式中任 一:基站接收 MME发送的携带有接受的 D2D特性的初始上下文建立请求消息, 并获取接 受的 D2D特性; 或者, 基站接收 MME发送的携带有 MME接受的 D2D特性的 S1-AP消 息 , 并获取 MME接受的 D2D特性。
具体地, 基站接收 UE的 D2D请求后, 根据当前无线资源使用情况以及千扰强度, 判 断是否接受 UE的 D2D请求, 若接受, 将 UE的 D2D请求消息发送给 MME, MME根据 UE的 D2D请求消息确定能够接受的 D2D特性, 并将接受的 D2D特性发送给基站, 基站 分配执行 MME接受的 D2D特性所需占用的资源或释放 MME接受的 D2D特性占用的资 源, 并指示 UE执行该接受的 D2D特性; 若不接受, 基站直接拒绝 UE的 D2D请求。
该具体实现中, 基站拒绝 UE的 D2D请求, 并将拒绝 UE的 D2D请求的消息通知 UE 和 MME。
本实施例中, 基站根据 D2D请求消息中携带的激活 /去激活指示信息, 指示 UE激活 / 去激活 MME接受的 D2D特性。
以下通过具体实施例一〜具体实施例六对本发明实施例提供的终端控制过程进行具体 说明。
以下具体实施例中, 以 eNB为例进行具体说明, 实际应用中不仅限于 e B。
具体实施例一, 如附图 6所示, 该具体实施例中 UE在初始开机过程中激活 /去激活 D2D功能的具体过程如下:
步骤 601 : UE通过附着请求( Attach Request ) 消息向 eNB上 4艮激活 /去激活 D2D特 性的 D2D请求, 可以通过 NAS层或 RRC消息携带该 D2D请求, eNB接收到 UE的 D2D 请求后有两种处理方式:
第一种处理方式, eNB直接前传该 D2D请求, 即直接执行步骤 602;
第二种处理方式, e B根据当前无线资源使用情况以及千扰强度,确定接受 UE的 D2D 请求后, 执行步骤 602 , 将该 D2D请求发送给 ΜΜΕ; 确定不能接受 UE的 D2D请求后, 将不能接受 UE的 D2D请求的信息通知给 ΜΜΕ。
步骤 602: e B向 MME发送附着请求消息, 具体地, 该附着请求可以是携带 UE的 D2D请求的 NAS层消息或 S1-AP层消息。
步骤 603: MME对 UE进行身份认证( Authentication ) 以及安全认证 ( Security )。 步骤 604~605: 通过更新位置请求( Update Location Request ) 消息以及更新位置确认 ( Update Location Ack )消息, MME从 HSS获得 UE的签约数据 , 该签约数据中包含 UE 签约的 D2D特性。
步骤 606~609:核心网为 UE建立用户面承载,具体地, MME向服务网关( Serving GW, SGW )发送创建会话请求(Create Session Request ), 服务网关将该创建会话请求发送给 分组数据网网关( PDN GW ), PDN GW与策略控制与计费规则功能( PCRF )进行交互, 由 PCRF初始化 IP连通接入网络(IP-CAN )会话建立或修改(Initiated IP-CAN Session Established/Modification )过程后, PDN GW向 SGW返回创建会话响应, 至此下行链路 建立完成,若不进行链路切换, PDN GW可向 SGW发送第一下行链路数据( First Downlink Data ), MME接收 PDN GW返回的创建会话响应。
步骤 610: MME根据 UE的 D2D请求, 确定 UE请求的 D2D特性, 并根据获得 UE 的签约数据以及网络策略确定 UE请求的 D2D特性中允许接受的 D2D特性, MME在初始 UE上下文建立过程中返回 MME接受的 D2D特性到 e B。
步骤 611 : eNB接收到 MME的初始 UE上下文建立请求消息后有进行以下两种处理: 对应于步骤 601的第一种处理方式: eNB根据当前无线资源使用情况以及千扰强度, 确定接受 UE的 D2D请求后,为 UE分配或释放 MME接受的 D2D特性占用的资源;确定 不能接受 UE的 D2D请求后, 将不能接受 UE的 D2D请求的信息通知给 MME和 UE; 对应于步骤 601的第二种处理方式: eNB为 UE分配或释放 MME接受的 D2D特性占 用的资源后, 向 UE发送 RRC连接重配( RRC Connection Reconfiguration ) 消息, 该消息 中携带 MME接受的 D2D特性。
eNB将分配或释放的资源信息以及 MME接受的 D2D特性发送给 UE, UE激活 /去激 活 eNB返回的 MME接受的 D2D特性。
步骤 612: UE向 eNB返回 RRC连接重配完成消息后, eNB向 MME返回初始 UE上 下文建立响应消息。
对应于步骤 601中的第一种处理方式, eNB在该消息中携带 eNB是否接受 UE的 D2D 请求的结果。
步骤 613 619: UE接入到网络, 完成承载建立过程, 具体过程为: UE发送直传消息 ( Direct Transfer )给 eNB, eNB向 MME发送 MME发送附着完成 ( Attach Complete ) 消 息, 至此建立上行链路, UE可向 PDN GW发送第一上行链路数据 ( First Uplink Data )。 MME向 SGW发送修改承载请求( Modify Bearer Request ), SGW向 PDN GW请求修改承 载, 并在接收 PDN GW返回的承载修改响应 ( Modify Bearer Response )后转发给 MME。 至此完成承载修改过程 , PDN GW可向 UE发送第一下行链路数据。
MME向 HSS发起通知 ( Notify )请求, 并接收 HSS返回的 Notify响应。
具体实施例二, 如附图 7所示, 该具体实施例中空闲态 (idle ) 的 UE使用服务请求 ( Service Request )过程激活 /去激活 D2D特性的具体过程如下:
步骤 701: UE通过 Service Request消息向 eNB上 ·ί艮激活 /去激活 D2D特性的 D2D请 求, 可以是在 NAS层或 RRC层消息中携带该 D2D请求。 eNB接收到 UE的 D2D请求后 有两种处理方式:
第一种处理方式, eNB直接前传该 D2D请求至 MME;
第二种处理方式, e B根据当前无线资源使用情况以及千扰强度,确定接受 UE的 D2D 请求后, 将该 D2D请求发送给 MME; 确定不能接受 UE的 D2D请求后, 将不能接受 UE 的 D2D请求的信息通知给 MME。
步骤 702: eNB向 MME发送 Service Request消息,该 Service Request消息可以是 NAS 层或 S1-AP层消息。
步骤 703: MME对 UE进行身份认证( Authentication ) 以及安全认证 ( Security )。 步骤 704: MME根据 UE的 D2D请求, 确定 UE请求的 D2D特性, 并根据获得 UE 的签约数据以及网络策略确定 UE请求的 D2D特性中允许接受的 D2D特性, MME在初始 UE上下文建立过程中返回 MME接受的 D2D特性到 e B。
步骤 705: eNB接收到 MME的初始 UE上下文建立请求消息后有进行以下两种处理: 对应于步骤 701的第一种处理方式: eNB根据当前无线资源使用情况以及千扰强度, 确定接受 UE的 D2D请求后,为 UE分配或释放 MME接受的 D2D特性占用的资源;确定 不能接受 UE的 D2D请求后, 将不能接受 UE的 D2D请求的信息通知给 MME和 UE; 对应于步骤 701的第二种处理方式: eNB为 UE分配或释放 MME接受的 D2D特性占 用的资源后, 向 UE发送 RRC连接重配( RRC Connection Reconfiguration ) 消息, 该消息 中携带 MME接受的 D2D特性。
eNB将分配或释放的资源信息以及 MME接受的 D2D特性发送给 UE, UE激活 /去激 活 eNB返回的 MME接受的 D2D特性。
步骤 706: UE向网络侧发送上行链路数据 ( Uplink Data )。
步骤 707: eNB向 MME返回初始 UE上下文建立完成的响应消息。
其中, 对应于步骤 701中的第一种处理方式, 在该响应消息中携带 eNB是否接受 UE 的 D2D请求的结果。 步骤 708~712: MME向 SGW发送修改承载请求(Modify Bearer Request ), SGW转 发给 PDN GW后, PDN GW向 PCRF发起初始化 IP-CAN会话修改过程后 , PDN GW向 SGW返回修改承载响应 (Modify Bearer Response ), SGW将该响应发送给 MME。
具体实施例三,如附图 8所示,该具体实施例中空闲态的 UE使用跟踪区更新( Tracking area update, TAU )过程激活 /去激活 D2D特性的具体过程如下:
步骤 801 : UE触发启动 TAU过程。
步骤 802: UE通过 TAU请求消息向 eNB上 ·ί艮激活 /去激活的 D2D特性的 D2D请求, 可以在在 NAS层或 RRC层消息中携带该 D2D请求。 eNB接收到 UE的 D2D请求后有两 种处理方式:
第一种处理方式, eNB直接前传该 D2D请求至 MME;
第二种处理方式, e B根据当前无线资源使用情况以及千扰强度,确定接受 UE的 D2D 请求后, 将该 D2D请求发送给 MME; 确定不能接受 UE的 D2D请求后, 将不能接受 UE 的 D2D请求的信息通知给 MME。
步骤 803: eNB向新 MME (即漫游 MME ) TAU请求消息, 该 TAU请求消息可以是 NAS层或 S1-AP层消息。
步骤 804 807: 新 MME从旧 MME (即签约 MME )获得 UE的签约数据, 该签约数 据中包含有 UE签约的 D2D特性。 具体地, 新 MME向旧 MME发送上下文请求( Context Request ), 旧 MME在返回的上下文响应 ( Context Response ) 中携带 UE的签约数据。 新 MME对 UE进行身份认证及安全认证后,向旧 MME返回获取上下文的响应消息( Context Acknowledge )。
新 MME根据 UE的 D2D请求, 确定 UE请求的 D2D特性, 并根据获得 UE的签约数 据以及网络策略确定 UE请求的 D2D特性中允许接受的 D2D特性。
步骤 808~819: 核心网为 UE建立用户面承载。
具体地,新 MME向对应的新 SGW发起创建会话请求,新 SGW在收到该创建会话请 求后向 PDN GW发起修改承载请求, 由 PCRF初始化 IP-CAN会话修改过程后, PDN GW 向新 SGW返回修改承载响应, 以及新 SGW向新 MME返回创建会话响应。 新 MME向
HSS发送 Update Location消息, HSS向旧 MME发送取消 Location ( Cancel Location ) 消 息, 旧 MME向 HSS返回取消 Location响应 ( Cancel Location Ack )后, HSS向新 MME 返回 Update Location响应 ( Update Location Ack )。
其中, 步骤 815~816中, 新 MME向 eNB发送 D2D请求, 将新 MME接受的 D2D特 性发送给 eNB , eNB根据当前无线资源使用情况、千扰强度等确定是否能够接受 UE的 D2D 请求, 向新 MME返回 D2D响应, 该 D2D响应中携带是否接受 UE的 D2D请求的结果。 仅适用于步骤 802中的第一种处理方式, 不适用于步骤 802中的第二种处理方式。 同时, 旧 MME向相应的旧 SGW发送删除会话请求(Delete Session Request ), 且接 收旧 SGW返回的删除会话响应 ( Delete Session Response )。
步骤 820: 新 MME在初始 UE上下文建立过程中或 NAS层下行直传消息中返回新 MME接受的 D2D特性给 eNB, eNB根据新 MME接受的 D2D特性进行资源分配或释放 后向 UE发送网络侧的接纳结果, 该接纳结果包括新 MME接受的 D2D特性以及 eNB配 置或释放的资源的信息, UE根据网络侧返回的接纳结果激活 /去激活相应的 D2D特性, 以 及进行后续的 D2D操作。该步骤中,新 MME将 TAU接受( TAU Accept )消息发送给 eNB , 再由 eNB转发给 UE。
步骤 821 : UE经 eNB向新 MME返回 NAS层的 TAU完成( TAU Complete ) 消息。 具体实施例四, 如附图 9所示, 该具体实施例中连接态的 UE若需要激活 /去激活 D2D 特性,可以使用新的 NAS过程或 RRC过程或 S1-AP过程, MME进行接纳判决后再由 eNB 进行接纳判断的具体过程如下:
步骤 901: UE向 eNB发送激活 /去激活 D2D特性的请求消息, 该消息可以是 NAS层 或 RRC层消息。
步骤 902: eNB向 MME发送激活 /去激活 D2D特性的请求消息, 该消息可以是 NAS 层或 S1-AP层消息。
步骤 903: MME确定 UE请求的 D2D特性, 并根据获得 UE的签约数据以及网络策 略确定 UE请求的 D2D特性中允许接受的 D2D特性, 如果 MME不允许接入 UE的 D2D 请求, 返回拒绝消息, 如果允许接入, 则向 eNB发送 D2D资源请求消息。
步骤 904: eNB接收到 MME的 D2D资源请求消息后, 进行 D2D资源确认, 根据当 前无线资源使用情况、千扰强度等判断是否接受 UE的 D2D请求, 并将结果返回给 MME。
步骤 905: MME向 eNB返回激活 /去激活 D2D特性确认消息, 该消息中携带 MME接 受的 D2D特性。
步骤 906: eNB为 MME接受的 D2D特性分配资源后, 向 UE返回激活 /去激活 D2D 特性确认消息, 该消息中携带 MME接受的 D2D特性。
具体实施例五,如附图 10所示,该具体实施例中连接态的 UE若需要激活 /去激活 D2D 特性,可以使用新的 NAS过程或 RRC过程或 S1-AP过程, eNB进行接纳判决后再由 MME 进行接纳判决的具体过程如下:
步骤 1001 : UE向 eNB发送激活 /去激活 D2D特性的请求消息, 该消息可以是 NAS 层或 RRC层消息。 eNB根据当前无线资源使用情况、千扰强度等判断是否接受 UE的 D2D 请求, 如果无法接受则直接拒绝 UE的请求。
步骤 1002: eNB向 MME发送激活 /去激活 D2D特性的请求消息, 该消息可以是 NAS 层或 S1-AP层消息。 步骤 1003: MME确定 UE请求的 D2D特性, 并根据获得 UE的签约数据以及网络策 略确定 UE请求的 D2D特性中允许接受的 D2D特性, 如果 MME不允许接入 UE的 D2D 请求, 返回拒绝消息, 如果允许接入, MME在激活 /去激活 D2D特性的确认消息中返回 MME接受的 D2D特性到 e B, 并向 eNB请求 D2D资源。
步骤 1004: eNB接收到 MME的在激活 /去激活 D2D特性的确认消息后, 配置 (分配 或释放)相应的资源后,向 UE发送激活 /去激活 D2D特性的确认消息,该消息中携带 MME 接受的 D2D特性。
具体实施例六, 该具体实施例中, 空闲态的 UE如果需要激活 /去激活 D2D特性, 可 以首先使用现有的服务请求 /TAU过程进入连接态后, 再釆用具体实施例四或具体实施例 五中新的 NAS过程或 RRC过程或 S1-AP过程, 控制激活 /去激活 D2D特性的操作。
第四实施例中, 如附图 11所示,基于同一发明构思, 本发明实施例还提供了一种网络 侧设备, 该网络侧设备的具体实施可参见上述实施例中 MME的具体实施, 重复之处不再 赘述, 该网络侧设备主要包括:
接收单元 1101 , 用于接收基站发送的 UE的 D2D请求消息;
确定单元 1102, 用于根据 D2D请求消息确定请求的 D2D特性, 并确定能够接受的、 请求的 D2D特性中的 D2D特性;
发送单元 1103 , 用于将接受的 D2D特性发送给基站。
其中, 所述接收单元 1101和发送单元 1103可以是具有收发功能的传输设备, 所述确 定单元 1102可以是处理器等设备。
其中, 确定单元具体用于: 根据 D2D请求消息中携带的 D2D特性相关信息, 确定 UE 请求的 D2D特性。
其中, D2D特性相关信息包括: 用于指示 D2D特性的指示信息、 用于确定 D2D特性 的业务类型或 D2D特性。
具体地, 确定单元具体用于: 在 D2D特性相关信息为用于确定 D2D特性的业务类型 时, 根据预设的业务类型与 D2D特性的映射关系, 确定 D2D请求消息中携带的业务类型 对应的 D2D特性。
具体地, 确定单元具体用于: 在 D2D特性相关信息为用于指示 D2D特性的指示信息 时, 根据预设的指示信息与 D2D特性的映射关系, 确定 D2D请求消息中携带的指示信息 对应的 D2D特性。
其中, 发送单元具体用于: 根据 UE的签约数据以及网络策略确定能够为 UE提供服 务的 D2D特性的集合, 并将 UE请求的 D2D特性中属于该集合的 D2D特性确定为能够接 受的 D2D特性。
其中,发送单元具体用于:将接受的 D2D特性携带在初始上下文建立请求消息中发送 给基站; 或者, 将接受的 D2D特性携带在 S 1 -AP消息中发送给基站。
第五实施例中, 如附图 12 所示, 基于同一发明构思, 本发明实施例还提供了一种网 络侧设备, 该网络侧设备的具体实施可参见上述第二实施例中 eNB的具体实施, 重复之处 不再赘述, 该网络侧设备主要包括:
通信单元 1201 , 用于接收 UE的 D2D请求消息, 将该 D2D请求消息发送给 MME, 以及接收 MME返回的接受的 D2D特性, 其中, 接受的 D2D特性为 MME根据 D2D请求 消息确定的、 能够接受的 D2D请求消息所请求的 D2D特性中的 D2D特性;
处理单元 1202, 用于在通信单元 1201接收该接受的 D2D特性后, 判断是否接受 UE 的 D2D请求, 若接受, 进行资源配置并指示 UE执行接受的 D2D特性, 否则, 拒绝 UE 的 D2D请求。
其中, 所述通信单元 1201可以是具有收发功能的传输设备, 所述处理单元 1202可以 是处理器等设备。
其中, 处理单元具体用于: 根据当前无线资源使用情况以及千扰强度, 判断是否接受 UE的请求。
其中, 处理单元具体用于: 若接受 UE的 D2D请求, 分配执行 MME接受的 D2D特 性所需占用的资源或释放该接受的 D2D特性占用的资源。
其中, 处理单元具体用于: 若接受 UE的 D2D请求且进行资源配置后, 根据 D2D请 求消息中携带的激活 /去激活指示信息, 指示 UE激活 /去激活该接受的 D2D特性。
第六实施例中, 如附图 13 所示, 基于同一发明构思, 本发明实施例还提供了一种网 络侧设备, 该网络侧设备的具体实施可参见上述第三实施例中 eNB的具体实施, 重复之处 不再赘述, 该网络侧设备主要包括:
接收单元 1301 , 用于接收 UE的 D2D请求消息;
处理单元 1302, 用于判断是否接受 UE的 D2D请求, 若接受, 将该 D2D请求消息发 送给 MME, 接收 MME返回的接受的 D2D特性后, 进行资源配置指示 UE执行该接受的 D2D特性; 否则, 拒绝 UE的 D2D请求, 其中, 接受的 D2D特性为 MME根据 D2D请求 消息确定的、 能够接受的 D2D请求消息所请求的 D2D特性中的 D2D特性。
其中, 所述接收单元 1301可以是具有收发功能的传输设备, 所述处理单元 1302可以 是处理器等设备。
其中, 处理单元具体用于: 根据当前无线资源使用情况以及千扰强度, 判断是否接受 UE的 D2D请求。
其中, 处理单元具体用于: 确定接受 UE的 D2D请求且接收 MME返回的接受的 D2D 特性后, 分配执行该接受的 D2D特性所需占用的资源或释放该接受的 D2D特性占用的资 源。 其中, 处理单元具体用于: 进行资源配置后, 居 D2D请求消息中携带的激活指示信 息, 指示 UE激活所述接受的 D2D特性;
或者, 处理单元具体用于: 进行资源配置后, # ^据 D2D请求消息中携带的去激活指示 信息, 指示 UE去激活所述接受的 D2D特性。
其中, 处理单元具体用于: 接收 MME发送的携带有接受的 D2D特性的初始上下文建 立请求消息, 并获取该接受的 D2D特性; 或者, 接收 MME发送的携带有接受的 D2D特 性的 S 1 -AP消息, 并获取该接受的 D2D特性。
基于上述技术方案, 本发明实施例中, UE向网络侧发送 D2D请求消息, MME确定 UE所请求的 D2D特性中能够接受的 D2D特性, 将接受的 D2D特性发送给基站, 实现 MME对具有接近感知能力的用户设备的控制;
基站在接收 MME返回的 D2D特性之前或之后判断是否能够接受 UE的 D2D请求, 根据判断结果确定是否拒绝 UE的 D2D请求,并在能够接受 UE的 D2D请求时,根据 MME 返回的接受的 D2D特性进行资源配置并指示 UE执行该接受的 D2D特性, 实现基站对具 有接近感知能力的用户设备的控制。
综上, 能够在网络中引入移动设备之间的互相发现甚至直接通信的 D2D通信机制时, 实现对具有接近感知能力的用户设备的控制。
显然, 本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和 范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内, 则本发明也意图包含这些改动和变型在内。

Claims

权 利 要 求
1、 一种终端控制方法, 其特征在于, 包括:
移动性管理实体 MME接收基站发送的来自于用户设备 UE的设备到设备 D2D请求消 息, 据所述 D2D请求消息确定请求的 D2D特性, 并确定能够接受的所述请求的 D2D特 性中的 D2D特性, 以及将接受的 D2D特性发送给基站;
所述基站接收所述 MME返回的所述接受的 D2D特性后, 判断是否接受所述 UE的 D2D请求, 若接受, 所述基站进行资源配置并指示 UE执行所述接受的 D2D特性, 否则, 所述基站拒绝所述 UE的 D2D请求。
2、 如权利要求 1所述的方法, 其特征在于, 所述 MME根据所述 UE的 D2D请求消 息确定请求的 D2D特性, 具体包括:
所述 MME 居所述 D2D请求消息中携带的 D2D特性相关信息, 确定所述 UE请求 的 D2D特性。
3、 如权利要求 2所述的方法, 其特征在于, 所述 D2D特性包括以下任意一种: 能够发现其他 UE但不能被其他 UE发现;
能够被其他 UE发现但不能发现其他 UE;
能够发现其他 UE且能够被其他 UE发现。
4、 如权利要求 3所述的方法, 其特征在于, 所述 D2D特性相关信息为:
用于指示 D2D特性的指示信息; 或,
用于确定 D2D特性的业务类型。
5、 如权利要求 4所述的方法, 其特征在于, 所述 D2D特性相关信息为用于确定 D2D 特性的业务类型时, 所述 MME根据所述 D2D请求消息中携带的 D2D特性相关信息, 确 定所述 UE请求的 D2D特性, 具体包括:
所述 MME根据预设的业务类型与 D2D特性的映射关系, 确定所述 D2D请求消息中 携带的业务类型对应的 D2D特性。
6、 如权利要求 4所述的方法, 其特征在于, 所述 D2D特性相关信息为用于指示 D2D 特性的指示信息时, 所述 MME 居所述 D2D请求消息中携带的 D2D特性相关信息, 确 定所述 UE请求的 D2D特性, 具体包括:
所述 MME根据预设的指示信息与 D2D特性的映射关系, 确定所述 D2D请求消息中 携带的指示信息对应的 D2D特性。
7、 如权利要求 3-6任一项所述的方法, 其特征在于, 所述 MME确定能够接受的所述 请求的 D2D特性中的 D2D特性, 具体包括:
所述 MME根据所述 UE的签约数据以及网络策略确定能够为所述 UE提供服务的 D2D 特性的集合;
所述 MME将所述 UE请求的 D2D特性中属于所述集合的 D2D特性确定为能够接受 的 D2D特性。
8、 如权利要求 7所述的方法, 其特征在于, 所述 MME将接受的 D2D特性发送给所 述基站, 具体包括:
所述 MME将接受的 D2D特性携带在初始上下文建立请求消息中发送给所述基站;或 者,
所述 MME将接受的 D2D特性携带在 S 1接口应用协议层 S 1 -AP消息中发送给所述基 站。
9、 如权利要求 1所述的方法, 其特征在于, 所述基站判断是否接受所述 UE的 D2D 请求, 具体包括:
所述基站根据当前无线资源使用情况以及千扰强度,判断是否接受所述 UE的 D2D请 求。
10、 如权利要求 9所述的方法, 其特征在于, 所述基站进行资源配置, 具体包括: 所述基站分配执行所述 MME接受的 D2D特性所需占用的资源或释放所述 MME接受 的 D2D特性占用的资源。
11、 如权利要求 10所述的方法, 其特征在于, 所述基站指示所述 UE执行所述接受的 D2D特性, 具体包括:
所述基站根据所述 D2D请求消息中携带的激活指示信息, 指示 UE激活所述接受的 D2D特性; 或者,
所述基站根据所述 D2D请求消息中携带的去激活指示信息,指示 UE去激活所述接受 的 D2D特性。
12、 一种终端控制方法, 其特征在于, 包括:
基站接收来自用户设备 UE的设备到设备 D2D请求消息;
所述基站判断是否接受所述 UE的 D2D请求, 若接受, 将所述 D2D请求消息发送给 移动性管理实体 MME, 接收所述 MME返回的接受的 D2D特性后, 进行资源配置并指示 所述 UE执行所述接受的 D2D特性; 否则, 拒绝所述 UE的 D2D请求;
其中, 所述接受的 D2D特性为所述 MME根据所述 D2D请求消息确定的、 能够接受 的、 所述 D2D请求消息所请求的 D2D特性中的 D2D特性。
13、如权利要求 12所述的方法, 其特征在于, 所述基站判断是否接受所述 UE的 D2D 请求, 包括:
所述基站根据当前无线资源使用情况以及千扰强度,判断是否接受所述 UE的 D2D请 求。
14、 如权利要求 13所述的方法, 其特征在于, 所述基站进行资源配置, 具体包括: 所述基站分配执行所述接受的 D2D特性所需占用的资源或释放所述接受的 D2D特性 占用的资源。
15、如权利要求 14所述的方法, 其特征在于, 所述基站指示 UE执行所述接受的 D2D 特性, 具体包括:
所述基站根据所述 D2D请求消息中携带的激活指示信息, 指示 UE激活所述接受的 D2D特性;
所述基站根据所述 D2D请求消息中携带的去激活指示信息,指示 UE去激活所述接受 的 D2D特性。
16、 如权利要求 12-15任一项所述的方法, 其特征在于, 所述基站接收所述 MME返 回的接受的 D2D特性, 具体包括:
所述基站接收所述 MME发送的携带有接受的 D2D特性的初始上下文建立请求消息, 并获取所述接受的 D2D特性; 或者,
所述基站接收所述 MME发送的携带有接受的 D2D特性的 S1-AP消息, 并获取所述 接受的 D2D特性。
17、 如权利要求 12所述的方法, 其特征在于, 所述基站将所述 D2D请求消息发送给 所述 MME后, 包括:
所述 MME 居所述 D2D请求消息中携带的 D2D特性相关信息, 确定所述 UE请求 的 D2D特性;
所述 MME根据所述 UE的签约数据以及网络策略确定能够为所述 UE提供服务的 D2D 特性的集合;
所述 MME将所述 UE请求的 D2D特性中属于所述集合的 D2D特性确定为能够接受 的 D2D特性。
18、 如权利要求 17所述的方法, 其特征在于, 所述 D2D特性包括以下任意一种: 能够发现其他 UE但不能被其他 UE发现;
能够被其他 UE发现但不能发现其他 UE;
能够发现其他 UE且能够被其他 UE发现。
19、 如权利要求 18所述的方法, 其特征在于, 所述 D2D特性相关信息包括: 用于指示 D2D特性的指示信息、 用于确定 D2D特性的业务类型或 D2D特性。
20、如权利要求 19所述的方法,其特征在于,所述 D2D特性相关信息为用于确定 D2D 特性的业务类型时, 所述 MME根据所述 D2D请求消息中携带的 D2D特性相关信息, 确 定所述 UE请求的 D2D特性, 具体包括:
所述 MME根据预设的业务类型与 D2D特性的映射关系, 确定所述 D2D请求消息中 携带的业务类型对应的 D2D特性。
21、如权利要求 19所述的方法,其特征在于,所述 D2D特性相关信息为用于指示 D2D 特性的指示信息时, 所述 MME 居所述 D2D请求消息中携带的 D2D特性相关信息, 确 定所述 UE请求的 D2D特性, 具体包括:
所述 MME根据预设的指示信息与 D2D特性的映射关系, 确定所述 D2D请求消息中 携带的指示信息对应的 D2D特性。
22、 一种网络侧设备, 其特征在于, 包括:
接收单元, 用于接收基站发送的来自于用户设备 UE的设备到设备 D2D请求消息; 确定单元, 用于#>据所述 D2D请求消息确定请求的 D2D特性, 并确定能够接受的所 述请求的 D2D特性中的 D2D特性;
发送单元, 用于将接受的 D2D特性发送给基站。
23、 如权利要求 22 所述的网络侧设备, 其特征在于, 所述确定单元具体用于: 根据 所述 D2D请求消息中携带的 D2D特性相关信息, 确定所述 UE请求的 D2D特性。
24、 如权利要求 23 所述的网络侧设备, 其特征在于, 所述确定单元具体用于: 在所 述 D2D特性相关信息为用于确定 D2D特性的业务类型时,根据预设的业务类型与 D2D特 性的映射关系, 确定所述 D2D请求消息中携带的业务类型对应的 D2D特性。
25、 如权利要求 23 所述的网络侧设备, 其特征在于, 所述确定单元具体用于: 在所 述 D2D特性相关信息为用于指示 D2D特性的指示信息时,根据预设的指示信息与 D2D特 性的映射关系, 确定所述 D2D请求消息中携带的指示信息对应的 D2D特性。
26、 如权利要求 22-25任一项所述的网络侧设备, 其特征在于, 所述确定单元具体用 于: 根据所述 UE的签约数据以及网络策略确定能够为所述 UE提供服务的 D2D特性的集 合,将所述 UE请求的 D2D特性中属于所述集合的 D2D特性确定为能够接受的 D2D特性。
27、 如权利要求 26 所述的网络侧设备, 其特征在于, 所述发送单元具体用于: 将接 受的 D2D特性携带在初始上下文建立请求消息中发送给所述基站; 或者, 将接受的 D2D 特性携带在 S 1接口应用协议层 S 1 -AP消息中发送给所述基站。
28、 一种网络侧设备, 其特征在于, 包括:
通信单元, 用于接收来自于用户设备 UE的设备到设备 D2D请求消息, 将所述 D2D 请求消息发送给移动性管理实体 MME, 以及接收所述 MME返回的接受的 D2D特性, 其 中, 所述接受的 D2D特性为所述 MME根据所述 D2D请求消息确定的、 能够接受的所述 D2D请求消息所请求的 D2D特性中的 D2D特性;
处理单元, 用于在所述通信单元接收所述接受的 D2D特性后, 判断是否接受所述 UE 的 D2D请求, 若接受, 进行资源配置并指示 UE执行所述接受的 D2D特性, 否则, 拒绝 所述 UE的 D2D请求。
29、 如权利要求 28 所述的网络侧设备, 其特征在于, 所述处理单元具体用于: 根据 当前无线资源使用情况以及千扰强度, 判断是否接受所述 UE的 D2D请求。
30、 如权利要求 29 所述的网络侧设备, 其特征在于, 所述处理单元具体用于: 若接 受所述 UE的 D2D请求, 分配执行所述 MME接受的 D2D特性所需占用的资源或释放所 述 MME接受的 D2D特性占用的资源。
31、 如权利要求 30 所述的网络侧设备, 其特征在于, 所述处理单元具体用于: 若接 受所述 UE的 D2D请求且进行资源配置后, 据所述 D2D请求消息中携带的激活指示信 息, 指示 UE激活所述接受的 D2D特性;
或者, 所述处理单元具体用于: 若接受所述 UE的 D2D请求且进行资源配置后, 根据 所述 D2D请求消息中携带的去激活指示信息, 指示 UE去激活所述接受的 D2D特性。
32、 一种网络侧设备, 其特征在于, 包括:
接收单元, 用于接收来自于用户设备 UE的设备到设备 D2D请求消息;
处理单元, 用于判断是否接受所述 UE的 D2D请求, 若接受, 将所述 D2D请求消息 发送给移动性管理实体 MME, 接收所述 MME返回的接受的 D2D特性后, 进行资源配置 指示所述 UE执行所述接受的 D2D特性; 否则, 拒绝所述 UE的 D2D请求, 其中, 所述 接受的 D2D特性为所述 MME根据所述 D2D请求消息确定的、能够接受的所述 D2D请求 消息所请求的 D2D特性中的 D2D特性。
33、 如权利要求 32 所述的网络侧设备, 其特征在于, 所述处理单元具体用于: 根据 当前无线资源使用情况以及千扰强度, 判断是否接受所述 UE的 D2D请求。
34、 如权利要求 33 所述的网络侧设备, 其特征在于, 所述处理单元具体用于: 确定 接受所述 UE的 D2D请求且接收所述 MME返回的接受的 D2D特性后, 分配执行所述接 受的 D2D特性所需占用的资源或释放所述接受的 D2D特性占用的资源。
35、 如权利要求 34 所述的网络侧设备, 其特征在于, 所述处理单元具体用于: 进行 资源配置后, 据所述 D2D请求消息中携带的激活指示信息, 指示 UE激活所述接受的 D2D特性;
或者, 所述处理单元具体用于: 进行资源配置后, # ^据所述 D2D请求消息中携带的去 激活指示信息, 指示 UE去激活所述接受的 D2D特性。
36、 如权利要求 32-35任一项所述的网络侧设备, 其特征在于, 所述处理单元具体用 于: 接收所述 MME发送的携带有接受的 D2D特性的初始上下文建立请求消息, 并获取所 述接受的 D2D特性;或者,接收所述 MME发送的携带有接受的 D2D特性的 S1-AP消息, 并获取所述接受的 D2D特性。
37、 一种终端控制系统, 其特征在于, 包括:
用户设备 UE , 用于向基站发送设备到设备 D2D请求消息; 基站, 用于接收所述 UE的 D2D请求消息, 将所述请求消息发送给移动性管理实体 MME,并接收所述 MME返回的接受的 D2D特性后,判断是否接受所述 UE的 D2D请求, 若接受, 进行资源配置并指示所述 UE执行所述接受的 D2D特性, 否则, 拒绝所述 UE的 D2D请求;
或者, 基站用于接收所述 UE的 D2D请求消息, 判断是否接受所述 UE的 D2D请求, 若接受, 将所述 D2D请求消息发送给移动性管理实体 MME, 并在接收所述 MME返回的 接受的 D2D特性后, 进行资源配置并指示所述 UE执行所述接受的 D2D特性; 否则, 拒 绝所述 UE的 D2D请求;
移动性管理实体 MME, 用于根据所述基站发送的所述 UE的 D2D请求消息确定请求 的 D2D特性, 并确定能够接受的所述请求的 D2D特性中的 D2D特性, 将接受的 D2D特 性发送给基站。
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