WO2017028743A1 - 中继用户设备控制方法、装置及用户设备 - Google Patents

中继用户设备控制方法、装置及用户设备 Download PDF

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Publication number
WO2017028743A1
WO2017028743A1 PCT/CN2016/094831 CN2016094831W WO2017028743A1 WO 2017028743 A1 WO2017028743 A1 WO 2017028743A1 CN 2016094831 W CN2016094831 W CN 2016094831W WO 2017028743 A1 WO2017028743 A1 WO 2017028743A1
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WIPO (PCT)
Prior art keywords
relay
information
discovery
sent
configuration
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PCT/CN2016/094831
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English (en)
French (fr)
Inventor
陈琳
黄莹
陈玉芹
汪梦珍
罗薇
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中兴通讯股份有限公司
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Publication of WO2017028743A1 publication Critical patent/WO2017028743A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/26Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to, but is not limited to, the field of communications, and more particularly to a method, an apparatus, and a user equipment for controlling a relay user equipment.
  • the application of D2D technology can reduce the burden of cellular networks, reduce the battery power consumption of user equipment, increase the data rate, and improve the robustness of the network infrastructure, which satisfies the requirements of the above high data rate services and proximity services.
  • the D2D technology is also called Proximity Services (ProSe), and the UEs transmit data through a single-side link (Sidelink, SL for short).
  • the D2D technology can work in the licensed or unlicensed frequency band, and allows multiple D2D-enabled user equipments (D2D User Equipment, D2D UEs) to be deployed with or without network infrastructure.
  • D2D User Equipment D2D UEs
  • Direct discovery / direct communication The application scenarios of D2D include:
  • UE1 and UE2 perform data interaction under the coverage of the cellular network, and the user plane data does not pass through the network infrastructure, as shown in scenario 1 in FIG. 1;
  • UE relay transmission in a partial coverage area as shown in scenario 2 in FIG. 1 , also referred to as a UE-to-network relay scenario, UE3 and the network side use Long Term Evolution (LTE)
  • LTE Long Term Evolution
  • the mode communication can also forward the data of the UE4 without network coverage to the base station by using the D2D mode, where the UE4 is called a routing UE (Remote UE), and the UE3 is called a relay.
  • UE Relay UE
  • the inter-device relay communication is allowed, as shown in scenario 3 in FIG. 1 and UE-to-UE relay (UE), UE6 can be in UE5.
  • the data packet is forwarded with the UE 7, the UE 6 is called a Relay UE, and the UE 5 and the UE 7 are called a Remote UE.
  • the present invention provides a method, an apparatus, and a user equipment for controlling a relay user equipment, so as to at least solve the problem that an effective control method is not provided for relay control of a Relay UE in a UE relay transmission scenario in a partial coverage area in the related art. .
  • a method for controlling a relay user equipment including: user equipment UE acquiring relay information; and performing, by the UE, relay initialization and/or relay configuration according to the relay information.
  • the relay information is sent by a network control node, or the relay information is preset in the UE.
  • the UE is a relay capable UE, and the UE is interested in becoming a relay UE.
  • the UE is in an idle state or a connected state.
  • the network control node includes at least one of the following: a base station, a proximity service function ProSe Function.
  • the acquiring, by the UE, the relay information includes: receiving, by the UE, system broadcast information and/or relay configuration information that includes relay information sent by the network control node; or receiving, by the UE, The non-access stratum information sent by the network control node, where the non-access stratum information carries the relay information; or the UE reads the configuration information in the non-volatile memory of the UE,
  • the configuration information includes the relay information.
  • the method further includes: when the UE is in a connected state, the UE sends a relay configuration request to the network control node, where the relay configuration request includes at least one of: a relay indication, The relay discovery transmission and/or reception resource request indication, the relay communication transmission and/or the reception resource request indication, the relay discovery mode indication, the relay discovery period indication, and the relay discovery resource duration indication.
  • the receiving, by the UE, the system broadcast information and/or the relay configuration information sent by the network control node if the UE is in an idle state, the UE receiving is sent by the network control node.
  • the relay configuration information includes one of the following: a relay configuration establishment information, and a relay configuration release information.
  • the relay information includes at least one of the following: a relay indication, a relay condition information, a PC5 link quality threshold, a relay discovery mode information, a relay discovery transmission resource/resource pool information, and a relay discovery reception.
  • a relay indication a relay indication
  • a relay condition information a PC5 link quality threshold
  • a relay discovery mode information a relay discovery transmission resource/resource pool information
  • a relay discovery reception a relay discovery reception.
  • Resource pool information relay communication receiving resource pool information, relay communication transmission resource/resource pool information.
  • the relay indication is used to indicate whether the network control node supports a relay function, where the relay indication is displayed by using a proprietary information unit IE, or in system broadcast information or relay configuration information. Implied instructions.
  • the relay condition information includes at least one of the following: a Uu link quality threshold, a UE remaining power threshold, and a UE moving speed threshold.
  • the Uu link quality threshold includes: a lowest threshold and/or a highest threshold of the first signal measurement result of the UE to the camping cell or the serving cell, where the first signal includes at least one of the following : Cell reference signal, channel state information.
  • the Uu link quality threshold includes at least one of: reference signal received power RSRP threshold, reference signal received quality RSRQ threshold, channel state information - reference signal received power CSI-RSRP threshold, channel state information - reference signal Receive quality CSI-RSRQ threshold.
  • the PC5 link quality threshold includes: the second sent by the UE to the remote UE. a minimum threshold of the signal measurement result, wherein the second signal comprises at least one of: a D2D demodulation reference signal, channel state information.
  • the PC5 link quality threshold includes at least one of: a reference signal received power RSRP threshold, a reference signal received quality RSRQ threshold, a channel state information - a reference signal received power CSI-RSRP threshold, a channel state information - a reference signal Receive quality CSI-RSRQ threshold.
  • the performing, by the UE, the relay initialization according to the relay information, and/or the relay configuration includes: determining, by the UE, whether a current measurement result meets a relay condition, where the relay condition is Determining, according to the relay information, the UE performing the relay initialization and/or the relay configuration according to the relay information, if it is determined that the current measurement result satisfies the relay condition .
  • the performing, by the UE, the relay initialization according to the relay information and/or the relay configuration includes at least one of the following:
  • the UE In the case that the UE is in an idle state, the current measurement result of the UE satisfies the relay condition, and the relay information includes relay discovery and reception resource pool information, the UE starts mode two relay Discovery (relay discovery);
  • the UE In the case that the UE is in an idle state, the current measurement result of the UE satisfies the relay condition, and the relay information includes a relay discovery transmission resource pool information, the UE starts mode-relay Discovery (relay discovery sent);
  • the relay information includes relay discovery mode information, the UE according to the relay discovery mode The relay discovery mode indicated by the information starts the relay discovery;
  • the UE is in an idle state, and the current measurement result of the UE satisfies the relay condition, and the UE uses the relay discovery mode information sent by the non-access stratum or the relay discovery resource pool monitoring indication or relay The discovery information transmission instruction or the UE determines the relay discovery mode to initiate the relay discovery;
  • the relay information includes relay communication transmission resource pool information and/or relay communication reception resource pool information.
  • the UE In a case where the UE is in an idle state, the current measurement result of the UE satisfies the relay condition, and the relay information includes only a relay indication or the relay information is empty, The UE enters a connected state and sends relay configuration request information to the serving cell;
  • the UE If the UE is in an idle state, and the relay information includes relay condition information, if the current measurement result of the UE satisfies the relay condition, the UE enters a connection state and The serving cell sends a relay configuration request message.
  • performing, by the UE, the relay initialization according to the relay information includes at least one of the following:
  • the relay information includes relay discovery mode information
  • the UE is configured according to the relay discovery mode.
  • the relay discovery mode indicated by the information starts the relay discovery;
  • the UE in the case that the UE is in a connected state, and the current measurement result of the UE satisfies the relay condition, the UE according to the relay discovery mode information indicated by the non-access stratum or the relay discovery resource pool monitoring indication Or the relay discovery information sending instruction or the UE determines the relay discovery mode to start the relay discovery;
  • the UE In a case where the UE is in a connected state, the current measurement result of the UE satisfies the relay condition, and the relay information includes a relay communication transmission resource pool information and/or a relay communication reception resource pool information.
  • the UE initiates relay communication.
  • the UE startup mode-relay discovery includes at least one of the following:
  • the UE acquires a relay discovery resource autonomously in a relay discovery transmission resource pool indicated by system broadcast information transmitted by the camping cell broadcast, and uses the relay discovery resource to be sent.
  • the UE acquires a relay discovery resource autonomously in a relay discovery transmission resource pool indicated by system broadcast information transmitted by the camping cell broadcast, and uses the relay discovery resource to be sent.
  • the UE When the UE is in the connected state, the UE acquires the relay discovery resource autonomously in the relay discovery transmission resource pool indicated by the relay configuration information sent by the serving cell, and uses the relay discovery resource to send the relay. Announcement information;
  • the UE When the UE is in the connected state, the UE sends the relay notification information by using the relay discovery transmission resource indicated by the relay configuration information sent by the serving cell.
  • the UE startup mode two relay discovery includes:
  • the UE detects the relay resource request information according to the relay discovery receiving resource pool information indicated by the system broadcast information broadcasted by the camping cell or the serving cell; or, if the UE is in the connected state, the UE sends according to the serving cell.
  • the relay discovery resource indication information indicated by the relay configuration information monitors the relay request information;
  • the UE determines whether the received system broadcast information transmitted by the resident cell broadcast indicates that the relay discovery transmission resource is indicated. a pool; if yes, the UE sends a relay response information; if not, the UE enters a connected state and sends a relay configuration request information to the serving cell to request a relay discovery transmission resource to send a relay response information; or
  • the UE determines the received system for the broadcast of the resident cell broadcast. Whether the broadcast discovery resource pool is indicated in the broadcast information; if yes, the UE sends the relay response information; if not, the UE enters the connected state and sends the relay configuration request information to the serving cell to request the relay discovery transmission. Resources to send relay response information; or
  • the UE When the relay request information sent by the remote UE is monitored, and the UE is in the connected state, the UE discovers the relay discovery resource according to the relay discovery resource pool indicated by the relay configuration information.
  • the relay indicated by the relay configuration information discovers the transmission resource and transmits the relay response information; or
  • the UE sends the relay discovery according to the relay configuration information.
  • the resource pool autonomously acquires the relay discovery resource or the relay discovery transmission resource indicated by the relay configuration information, and sends the relay response information.
  • the UE starting the relay communication includes:
  • the UE monitors a relay communication receiving resource pool
  • the system broadcast information sent by the camped cell broadcasted by the UE is carried in the idle state, and the relay communication transmission resource pool information is carried in the system, and the UE receives the direct communication request sent by the remote UE.
  • the UE enters a connection state and sends a relay configuration to the serving cell. Requesting information to request relay communication to send resources, transmitting relay connection establishment information, and forwarding data for the remote UE; or
  • the UE When the UE is in an idle state, and the UE receives a direct communication request sent by the remote UE, the UE enters a connection state and sends a relay configuration request message to the serving cell to request a relay communication to send a resource, and send Relay connection establishment information and forwarding data for the remote UE; or
  • the UE In a case where the UE is in a connected state, and the UE receives a direct communication request sent by the remote UE, the UE sends a relay connection according to the relay communication sending resource indicated by the relay configuration information sent by the serving cell. Establish information and forward data for remote UEs.
  • the performing, by the UE, the relay initialization and/or the relaying configuration according to the relay information further includes: when the UE determines that the current measurement result does not meet the relay condition, or the UE receives
  • the UE uses the relay communication transmission resource or the relay discovery transmission resource broadcast transmission relay connection release information; or the UE sends the inclusion information to the remote UE
  • the medium access control MAC control unit CE indicating the relay release information; or the UE transmitting information to the network control node that does not satisfy the relay condition and/or relay deactivation.
  • a relay user equipment control apparatus which is applied to the user equipment UE, and includes: an obtaining module, configured to: acquire relay information; and a processing module, configured to: according to the The relay information is relay initialized and/or relayed.
  • the relay information is sent by a network control node, or the relay information is preset in the UE.
  • the UE is a relay capable UE, and the UE is interested in becoming a relay UE.
  • the UE is in an idle state or a connected state.
  • the network control node includes at least one of the following: a base station, a proximity service function ProSe Function.
  • the acquiring module is configured to: receive system broadcast information and/or relay configuration information that is sent by the network control node, and receive the non-access layer sent by the network control node.
  • Information wherein the non-access stratum information carries the relay information; or Reading configuration information in the non-volatile memory of the UE, wherein the configuration information includes the relay information.
  • the device further includes: a sending module, configured to: send a relay configuration request to the network control node if the UE is in a connected state, where the relay configuration request includes at least the following One of: a relay indication, a relay discovery transmission and/or a reception resource request indication, a relay communication transmission and/or a reception resource request indication, a relay discovery mode indication, a relay discovery period indication, and a relay discovery resource duration indication.
  • a sending module configured to: send a relay configuration request to the network control node if the UE is in a connected state, where the relay configuration request includes at least the following One of: a relay indication, a relay discovery transmission and/or a reception resource request indication, a relay communication transmission and/or a reception resource request indication, a relay discovery mode indication, a relay discovery period indication, and a relay discovery resource duration indication.
  • the acquiring module is configured to: when the UE is in an idle state, receive system broadcast information that is sent by the network control node and includes relay information; or when the UE is in a connected state. And receiving system broadcast information and/or relay configuration information including relay information sent by the network control node.
  • the relay configuration information includes one of the following: a relay configuration establishment information, and a relay configuration release information.
  • the relay information includes at least one of the following: a relay indication, a relay condition information, a PC5 link quality threshold, a relay discovery mode information, a relay discovery transmission resource/resource pool information, and a relay discovery reception.
  • a relay indication a relay indication
  • a relay condition information a PC5 link quality threshold
  • a relay discovery mode information a relay discovery transmission resource/resource pool information
  • a relay discovery reception a relay discovery reception.
  • Resource pool information relay communication receiving resource pool information, relay communication transmission resource/resource pool information.
  • the relay indication is used to indicate whether the network control node supports a relay function, where the relay indication is displayed by using a proprietary information unit IE, or in system broadcast information or relay configuration information. Implied instructions.
  • the relay condition information includes at least one of the following: an air interface Uu link quality threshold, a UE remaining power threshold, and a UE moving speed threshold.
  • the Uu link quality threshold includes: a lowest threshold and/or a highest threshold of the first signal measurement result of the UE to the camping cell or the serving cell, where the first signal includes at least one of the following : Cell reference signal, channel state information.
  • the Uu link quality threshold includes at least one of: reference signal received power RSRP threshold, reference signal received quality RSRQ threshold, channel state information - reference signal received power CSI-RSRP threshold, channel state information - reference signal Receive quality CSI-RSRQ threshold.
  • the PC5 link quality threshold includes: a lowest threshold of the second signal measurement sent by the UE to the remote UE, where the second signal includes at least one of: a D2D demodulation reference signal, Channel status information.
  • the PC5 link quality threshold includes at least one of: a reference signal received power RSRP threshold, a reference signal received quality RSRQ threshold, a channel state information - a reference signal received power CSI-RSRP threshold, a channel state information - a reference signal Receive quality CSI-RSRQ threshold.
  • the processing module includes: a determining unit, configured to: determine whether the current measurement result meets a relay condition, where the relay condition is determined according to the relay information; and the first processing unit is configured to And determining, in the case that the current measurement result satisfies the relay condition, the relay initialization and/or the relay configuration according to the relay information.
  • processing module is configured to: adopt at least one of the following:
  • the relay information includes relay discovery and reception resource pool information, start mode two relay discovery (middle) Following the discovery of the interception);
  • the relay information includes a relay discovery transmission resource pool information, a startup mode-relay discovery (middle) Following discovery transmission);
  • the relay information includes relay discovery mode information, according to the relay discovery mode information Relay discovery mode initiates relay discovery;
  • the UE When the UE is in an idle state, the current measurement result of the UE satisfies the relay condition, and according to the relay discovery mode information sent by the non-access stratum or the relay discovery resource pool monitoring indication or the relay discovery information Instructing or the UE determines the relay discovery mode to initiate relay discovery;
  • the relay information includes relay communication transmission resource pool information and/or relay communication reception resource pool information.
  • the relay information includes only a relay indication or the relay information is empty, Entering a connection state and sending a relay configuration request message to the serving cell;
  • the UE If the UE is in an idle state, and the relay information includes relay condition information, if the current measurement result of the UE satisfies the relay condition, the UE enters a connection state and The serving cell sends a relay configuration request message.
  • processing module is configured to: adopt at least one of the following:
  • the relay information includes relay discovery mode information, according to the relay discovery mode information Relay discovery mode initiates relay discovery;
  • the UE determines the relay discovery mode to start the relay discovery;
  • the relay information includes a relay communication transmission resource pool information and/or a relay communication reception resource pool information.
  • the processing module is configured to adopt at least one of the following:
  • the relay discovery resource is autonomously acquired in the relay discovery transmission resource pool indicated by the system broadcast information transmitted by the camping cell broadcast, and the relay advertisement information is sent by using the relay discovery resource.
  • the relay discovery resource is autonomously acquired in the relay discovery transmission resource pool indicated by the relay configuration information sent by the serving cell, and the relay advertisement information is sent by using the relay discovery resource;
  • the relay discovery transmission resource indicated by the relay configuration information sent by the serving cell transmits the relay notification information.
  • the processing module is configured to:
  • Relay discovery according to system broadcast information broadcasted by the camping cell or the serving cell broadcast Receiving the resource pool information to listen to the relay request information; or, in the case that the UE is in the connected state, the relay discovery receiving resource pool information listening relay request information according to the relay configuration information sent by the serving cell;
  • the relay request information sent by the remote UE is monitored and the UE is in an idle state, it is determined whether the received broadcast resource pool is indicated in the system broadcast information sent by the resident cell broadcast; If yes, sending the relay response information; if not, causing the UE to enter the connected state and sending the relay configuration request information to the serving cell to request the relay discovery transmission resource to send the relay response information; or
  • the relay request information sent by the remote UE When the relay request information sent by the remote UE is monitored, the signal measurement result satisfies the PC5 link quality threshold, and the UE is in an idle state, it is determined that the received camping cell broadcasts the system broadcast information. Whether to indicate the relay discovery transmission resource pool; if yes, sending the relay response information; if not, causing the UE to enter the connection state and sending the relay configuration request information to the serving cell to request the relay discovery transmission resource to be sent Following the response message; or
  • the relay discovery resource pool autonomously acquires the relay discovery resource according to the relay configuration information or according to the relay configuration.
  • the relay indicated by the information finds that the resource is transmitted and the relay response information is sent; or
  • the relay discovery resource pool autonomy is indicated according to the relay configuration information.
  • the relay discovery resource is obtained or the relay discovery transmission resource indicated by the relay configuration information is sent, and the relay response information is sent.
  • processing module further includes:
  • the monitoring unit is configured to: after receiving the relay discovery by the relay discovery mode 1 (relay discovery transmission) or the relay discovery mode 2 (relay discovery monitoring), listening to the relay communication receiving resource pool;
  • the second processing unit is set to:
  • the system broadcast information sent by the camped cell broadcasted by the UE is carried in the idle state, and the relay communication transmission resource pool information is carried in the system, and the UE receives the direct communication request sent by the remote UE. And causing the UE to enter a connection state to send a relay configuration request information to the serving cell to request a relay communication sending resource, and send the relay connection establishment information to be a remote UE. Forward data; or
  • the UE When the UE is in an idle state, and the UE receives the direct communication request sent by the remote UE, the UE is caused to enter the connection state to send the relay configuration request information to the serving cell to request the relay communication to send the resource. Sending relay connection setup information and forwarding data for the remote UE; or
  • the UE When the UE is in the connected state, and the UE receives the direct communication request sent by the remote UE, sending the relay connection establishment information according to the relay communication sending resource indicated by the relay configuration information sent by the serving cell, and Forward data for the remote UE.
  • the processing module further includes: a third processing unit, configured to: when the UE determines that the current measurement result does not satisfy the relay condition, or the UE receives the network control node, In the case of the relay configuration release information: using the relay communication transmission resource or the relay discovery transmission resource broadcast transmission relay connection release information; or transmitting the media access control MAC control including the relay release information to the remote UE a data packet of the unit CE; or the UE sends information to the network control node that does not satisfy the relay condition and/or relay deactivation.
  • a third processing unit configured to: when the UE determines that the current measurement result does not satisfy the relay condition, or the UE receives the network control node, In the case of the relay configuration release information: using the relay communication transmission resource or the relay discovery transmission resource broadcast transmission relay connection release information; or transmitting the media access control MAC control including the relay release information to the remote UE a data packet of the unit CE; or the UE sends information to the network control node that does not satisfy the relay condition and/or relay de
  • a user equipment including: the foregoing relay user equipment control apparatus.
  • a computer readable storage medium storing computer executable instructions that are implemented by a processor to implement the above method.
  • the UE acquires the relay information, where the relay information is sent by the network control node, or the relay information is preset in the UE; the UE performs relay initialization and/or according to the relay information.
  • the configuration method solves the problem that the related art does not provide an effective control method for the relay control of the Relay UE in the UE relay transmission scenario of the partial coverage area, and implements the UE relay transmission scenario for the partial coverage area. Relay control of Relay UE.
  • FIG. 1 is a schematic diagram of device pass-through system discovery/communication according to the related art
  • FIG. 2 is a schematic diagram of a device through mode discovery mode 1 according to the related art
  • FIG. 3 is a schematic diagram of a device through mode discovery mode 2 according to the related art
  • FIG. 4 is a flowchart of a method for controlling a relay user equipment according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a relay user equipment control apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram 1 of an optional structure of a relay user equipment control apparatus according to an embodiment of the present invention.
  • FIG. 7 is a second schematic structural diagram of a relay user equipment control apparatus according to an embodiment of the present invention.
  • FIG. 8 is a third schematic diagram of an optional structure of a relay user equipment control apparatus according to an embodiment of the present invention.
  • FIG. 9 is a fourth schematic diagram of an optional structure of a relay user equipment control apparatus according to an embodiment of the present invention.
  • Example 10 is a flowchart of initializing a idle UE to a relay according to Example 1 of the present invention.
  • Example 11 is a flowchart of initializing a idle UE to a relay according to Example 2 of the present invention.
  • Example 12 is a flowchart of initializing a idle UE to a relay according to Example 3 of the present invention.
  • connection state UE initialized to a relay according to Example 4 of the present invention
  • connection state UE initialized to a relay according to Example 5 of the present invention
  • Example 15 is a flowchart of a connected state UE releasing relay function according to Example 6 of the present invention.
  • 16 is a flow chart of a connected state UE releasing relay function according to Example 7 of the present invention.
  • Relay discovery includes two modes: 1) Relay discovery mode 1. As shown in FIG. 2, the Relay UE periodically sends a relay announcement message, and the remote UE listens to the relay sent by the surrounding relay. The announcement message, if the remote UE listens to the message, it is considered that the Relay is found, the D2D communication request can be initiated, and the Relay UE forwards the Remote UE. 2) Relay discovery mode 2, as shown in FIG.
  • the Remote UE sends a relay solicitation message, and if the surrounding Relay UE listens to the message, it sends a Relay response message to the Remote UE.
  • the relay UE needs to initiate the relay discovery information transmission, and the relay discovery mode 2 starts to require the relay UE to first initiate the relay discovery information monitoring.
  • the related art does not provide an effective control means for the relay control of the Relay UE in the UE relay transmission scenario of the partial coverage area.
  • FIG. 4 is a flowchart of a method for controlling a relay user equipment according to an embodiment of the present invention. As shown in FIG. 4, the process includes the following steps:
  • Step S402 the UE acquires relay information.
  • Step S404 the UE performs relay initialization and/or relay configuration according to the relay information.
  • the network control node sends the relay information to the user equipment, so that the UE performs the relay initialization and/or the relay configuration according to the relay information, thereby solving the problem that the UE does not relay the partial coverage area in the related art.
  • the relay control of the Relay UE in the transmission scenario gives an effective control means, and implements relay control of the Relay UE in the UE relay transmission scenario of the partial coverage area.
  • the UE in the embodiment of the present invention includes the UE with the relay capability.
  • the UE is also interested in the relay UE, and is applicable to the relay user equipment control method described in the embodiment of the present invention.
  • the relay information is sent by the network control node, or the relay information is preset in the UE.
  • the UE may be in an idle state or a connected state.
  • the network control node includes at least one of the following: a base station, a ProSe Function.
  • the base station may send the relay system to the idle UE through the camping cell, and may also send the relay system broadcast or relay configuration information to the UE in the connected state through the serving cell.
  • the UE may receive relay information from the same or different network control node in the idle state and the connected state, for example, the UE receives system broadcast information including relay information sent by the serving cell of the base station or Relay configuration information. That is, the relay information can be carried in the existing information and sent to the UE.
  • the UE receives the non-access stratum information from the non-access stratum (for example, the ProSe function), where the non-access stratum information carries the relay information;
  • the non-access stratum for example, the ProSe function
  • the relay information is pre-stored in the UE, and the UE directly reads the configuration information in its non-volatile memory, wherein the configuration information includes the foregoing relay information.
  • the UE sends a relay configuration request to the network control node, where the relay configuration request includes at least one of: a relay indication, a relay discovery transmission, and / or receiving resource request indication, relay communication transmission and / or receiving resource request indication, relay discovery mode indication, relay discovery period indication, relay discovery resource duration indication.
  • the serving cell may also actively send relay configuration information to the UE.
  • the UE receiving the system broadcast information and/or the relay configuration information sent by the network control node includes: when the UE is in an idle state, the UE receives the relay information that is sent by the network control node.
  • System broadcast information or in the case where the UE is in a connected state, the UE receives system broadcast information and/or relay configuration information including relay information transmitted by the network control node.
  • the relay configuration information includes one of the following: a relay configuration establishment information, and a relay configuration release information.
  • the establishment or release of the relay can be achieved by relaying the configuration information.
  • the relay information includes at least one of the following: a relay indication, a relay condition information, a PC5 link quality threshold, a relay discovery mode information, a relay discovery transmission resource/resource pool information, and a relay discovery reception resource pool.
  • Information relay communication receiving resource pool information, relay communication transmission resource/resource pool information.
  • the PC5 link refers to a direct link between the D2D UEs.
  • the relay indication is used to indicate whether the network control node supports the relay function, wherein the relay indication displays the indication through a proprietary information unit (IE), or implicitly indicates in the system broadcast information or the relay configuration information.
  • IE proprietary information unit
  • the relay condition information includes at least one of the following: an air interface (Uu) link quality threshold, a UE remaining power threshold, and a UE moving speed threshold.
  • Uu air interface
  • the Uu link quality threshold includes: a lowest threshold of the first signal measurement result of the UE to the camping cell or the serving cell, where the first signal includes at least one of the following: a cell reference signal, and channel state information.
  • the Uu link quality threshold includes at least one of: a reference signal received power (RSRP) threshold, a reference signal received quality (RSRQ) threshold, a channel state information-reference signal received power (CSI-RSRP) threshold, and a channel state.
  • RSRP reference signal received power
  • RSRQ reference signal received quality
  • CSI-RSRP channel state information-reference signal received power
  • CSI-RSRQ Information - Reference Signal Receive Quality
  • the PC5 link quality threshold includes: a lowest threshold of the second signal measurement sent by the UE to the remote UE, where the second signal includes at least one of the following: a D2D demodulation reference signal and channel state information.
  • the PC5 link quality threshold includes at least one of: a reference signal received power (RSRP) threshold, a reference signal received quality (RSRQ) threshold, a channel state information - a reference signal received power (CSI-RSRP) threshold, and a channel state.
  • RSRP reference signal received power
  • RSRQ reference signal received quality
  • CSI-RSRP reference signal received power
  • CSI-RSRQ Information - Reference Signal Receive Quality
  • the relay discovery transmission resource pool information or the relay discovery reception resource pool information or the relay communication transmission resource pool information or the relay communication reception resource pool information includes: independent information for relaying, or, and D2D The information of the transmission resource pool information or the D2D discovery reception resource pool information or the D2D communication transmission resource pool information or the D2D communication reception resource pool information is found. That is, the resource pool information may be independent information, or may be transmitted by multiplexing existing communication resource pool information.
  • step S404 the UE determines whether the current measurement result satisfies the relay condition; if the determination condition is YES, the UE performs relay initialization and/or relay configuration according to the relay information.
  • the relay condition may be notified to the UE by using the relay information, or may be preset by the UE.
  • the UE receives system broadcast information or relay configuration information that is sent by the camping cell and includes the relay information; and/or the UE receives the relay information sent by the network control node.
  • the method includes: receiving, by the UE, relay condition information sent by the ProSe Function; and/or reading, by the UE, preset relay condition information in the UE, where the relay condition is determined according to at least one of the foregoing relay condition information.
  • the UE performs relay initialization and/or relay configuration according to the relay information, including at least one of the following:
  • the UE In the case that the UE is in an idle state, the current measurement result of the UE satisfies the relay condition, and the relay information includes the relay discovery and receiving resource pool information, the UE initiates mode two relay discovery (relay discovery monitoring);
  • the UE In the case that the UE is in an idle state, the current measurement result of the UE satisfies the relay condition, and the relay information includes the relay discovery transmission resource pool information, the UE initiates mode-relay discovery (relay discovery transmission);
  • the UE When the UE is in an idle state, the current measurement result of the UE satisfies the relay condition, and the relay information includes the relay discovery mode information, the UE starts the relay discovery according to the relay discovery mode indicated by the relay discovery mode information;
  • the UE is in an idle state, and the current measurement result of the UE satisfies the relay condition, and the UE transmits the relay discovery mode information or the relay discovery resource pool monitoring indication or the relay discovery information transmission indication or the UE determines the relay according to the non-access stratum.
  • Discovery mode initiates relay discovery
  • the UE starts the relay communication when the UE is in the idle state, the current measurement result of the UE satisfies the relay condition, and the relay information includes the relay communication transmission resource pool information and/or the relay communication reception resource pool information;
  • the UE When the UE is in the idle state, the current measurement result of the UE satisfies the relay condition, and the relay information only includes the relay indication or the relay information is empty, the UE enters the connected state and sends the relay configuration request information to the serving cell. ;
  • the UE When the UE is in the idle state and the relay information includes the relay condition information, if the current measurement result of the UE satisfies the relay condition, the UE enters the connected state and sends the relay configuration request information to the serving cell.
  • performing relay initialization by the UE according to the relay information includes at least one of the following:
  • the UE When the UE is in the connected state, the current measurement result of the UE satisfies the relay condition, and the relay information includes the relay discovery mode information, the UE starts the relay discovery according to the relay discovery mode indicated by the relay discovery mode information;
  • the UE If the UE is in the connected state, and the current measurement result of the UE satisfies the relay condition, the UE according to the relay discovery mode information indicated by the non-access stratum or the relay discovery resource pool monitoring indication or the relay discovery information sending indication or the UE itself Determining the relay discovery mode to initiate relay discovery;
  • the UE initiates relay communication when the UE is in the connected state, the current measurement result of the UE satisfies the relay condition, and the relay information includes the relay communication transmission resource pool information and/or the relay communication reception resource pool information.
  • the UE performs relay discovery (relay discovery transmission) through the relay discovery mode one, and includes at least one of the following:
  • the UE When the UE is in the idle state, the UE automatically acquires the relay discovery resource in the relay discovery transmission resource pool indicated by the system broadcast information sent by the camping cell broadcast, and sends the relay advertisement information by using the relay discovery resource;
  • the UE When the UE is in the connected state, the UE acquires the relay discovery resource in the relay discovery transmission resource pool indicated by the relay configuration information sent by the serving cell, and sends the relay advertisement information by using the relay discovery resource;
  • the UE When the UE is in the connected state, the UE sends the relay notification information by using the relay discovery transmission resource indicated by the relay configuration information sent by the serving cell.
  • the performing relay discovery (relay discovery monitoring) by the UE through the relay discovery mode 2 includes:
  • the UE detects the relay resource request information according to the relay discovery resource pool information indicated by the system broadcast information broadcasted by the camping cell or the serving cell; or, if the UE is in the connected state, the UE indicates according to the relay configuration information sent by the serving cell.
  • the relay finds the receiving resource pool information to listen to the relay request information;
  • the UE determines whether the received system broadcast information transmitted by the resident cell broadcast indicates the relay discovery transmission resource pool; if yes, The UE sends the relay response information; if not, the UE enters the connected state and sends the relay configuration request information to the serving cell to request the relay discovery transmission resource to send the relay response information; or
  • the UE determines whether the received system broadcast information transmitted by the resident cell broadcast is in the indication. Following the discovery of the transmission resource pool; if yes, the UE sends the relay response information; if not, the UE enters the connected state and sends a relay configuration request message to the serving cell to request the relay discovery transmission resource to send the relay response information; or
  • the UE When the relay request information sent by the remote UE is monitored and the UE is in the connected state, the UE discovers the relay discovery resource according to the relay discovery resource pool indicated by the relay configuration information or indicates according to the relay configuration information.
  • the relay finds the sending resource and sends the relay response information; or
  • the UE discovers the transmission resource pool autonomous acquisition relay according to the relay configuration information indicated by the relay configuration information.
  • the discovery resource or the relay discovery transmission resource indicated by the relay configuration information transmits the relay response information.
  • the UE performs relay communication according to the relay information, including:
  • the UE listens to the relay communication receiving resource pool
  • the UE When the UE is in an idle state, and the system broadcast information of the camped cell broadcast sent by the UE carries the relay communication transmission resource pool information, and the UE receives the direct communication request sent by the remote UE, the UE enters the connected state. Sending relay configuration request information to the serving cell to request relay communication to send resources, transmitting relay connection establishment information, and forwarding data for the remote UE; or
  • the UE When the UE is in an idle state, and the UE receives the direct communication request sent by the remote UE, the UE enters the connection state to send the relay configuration request information to the serving cell to request the relay communication to send the resource, and sends the relay connection establishment information. Forwarding data for the remote UE; or
  • the UE When the UE is in the connected state, and the UE receives the direct communication request sent by the remote UE, the UE sends the relay connection establishment information according to the relay communication sending resource indicated by the relay configuration information sent by the serving cell, and is the remote end. The UE forwards the data.
  • the UE performing the relay initialization and/or the relay configuration according to the relay information further includes: when the UE determines that the current measurement result does not satisfy the relay condition or the UE receives the relay configuration release information sent by the network control node. Bottom: the UE uses the relay communication to send the resource or the relay discovery transmission resource broadcasts the relay connection release information; or the UE sends the data packet including the medium access control MAC control unit CE for indicating the relay release information to the remote UE Or the UE sends information to the network control node that does not satisfy the relay condition and/or the relay deactivation.
  • 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 embodiment of the present invention may be embodied in the form of a software product stored in a storage medium (such as a ROM/RAM, a magnetic disk, an optical disk), and includes a plurality of instructions.
  • the method of the embodiment of the present invention is implemented by a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.).
  • a relay user equipment control apparatus is further provided, which is applied to a UE having a relay capability, and the apparatus is used to implement the foregoing embodiments and optional implementation manners, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • FIG. 5 is a structural block diagram of a relay user equipment control apparatus according to an embodiment of the present invention.
  • the apparatus includes: an obtaining module 52 and a processing module 54, wherein the obtaining module 52 is configured to: obtain relay information.
  • the processing module 54 coupled to the acquisition module 52, is configured to: perform relay initialization and/or relay configuration based on the relay information.
  • the relay information is sent by the network control node, or the relay information is preset in the UE.
  • the UE is a relay capable UE, and the UE is interested in becoming a relay UE.
  • the UE is in an idle state or a connected state.
  • the network control node includes at least one of the following: a base station, a ProSe Function.
  • the obtaining module 52 is configured to: receive system broadcast information and/or relay configuration information that is sent by the network control node, and receive non-access stratum information sent by the network control node, where The access layer information carries the relay information; or reads the configuration information in the non-volatile memory of the UE, where the configuration information includes the relay information.
  • the obtaining module 52 is configured to: receive the system broadcast information that is sent by the network control node and includes the relay information when the UE is in the idle state; or receive the network control node when the UE is in the connected state.
  • System broadcast information and/or relay configuration information that includes relay information.
  • the relay configuration information includes one of the following: a relay configuration establishment information, and a relay configuration release information.
  • the relay information includes at least one of the following: a relay indication, a relay condition information, and a PC5 Link quality threshold, relay discovery mode information, relay discovery transmission resource/resource pool information, relay discovery reception resource pool information, relay communication reception resource pool information, relay communication transmission resource/resource pool information.
  • the relay indication is used to indicate whether the network control node supports the relay function, wherein the relay indication displays the indication by the proprietary information unit IE, or implicitly indicates in the system broadcast information or the relay configuration information.
  • the relay condition information includes at least one of the following: an air interface (Uu) link quality threshold, a UE remaining power threshold, a UE moving speed threshold, and a PC5 link quality threshold.
  • Uu air interface
  • the Uu link quality threshold includes: a lowest threshold and/or a highest threshold of the first signal measurement result of the UE to the camping cell or the serving cell, where the first signal includes at least one of the following: a cell reference signal, a channel status information.
  • the Uu link quality threshold includes at least one of: reference signal received power RSRP threshold, reference signal received quality RSRQ threshold, channel state information - reference signal received power CSI-RSRP threshold, channel state information - reference signal received quality CSI-RSRQ threshold.
  • the PC5 link quality threshold includes: a lowest threshold of the second signal measurement sent by the UE to the remote UE, where the second signal includes at least one of the following: a D2D demodulation reference signal and channel state information.
  • the PC5 link quality threshold includes at least one of: reference signal received power RSRP threshold, reference signal received quality RSRQ threshold, channel state information - reference signal received power CSI-RSRP threshold, channel state information - reference signal received quality CSI-RSRQ threshold.
  • the relay discovery transmission resource pool information or the relay discovery reception resource pool information or the relay communication transmission resource pool information or the relay communication reception resource pool information includes: independent information for relaying, or, and D2D The information of the transmission resource pool information or the D2D discovery reception resource pool information or the D2D communication transmission resource pool information or the D2D communication reception resource pool information is found.
  • FIG. 6 is a schematic diagram of an optional structure of a relay user equipment control apparatus according to an embodiment of the present invention.
  • the processing module 54 includes: a determining unit 542, configured to: determine whether the current measurement result is satisfied.
  • the relay condition; the first processing unit 544, coupled to the determining unit 542, is configured to perform relay initialization and/or relay configuration according to the relay information if the determination condition is YES.
  • processing module 54 is further configured to: adopt at least one of the following:
  • the mode 2 relay discovery (relay discovery monitoring) is started;
  • the mode-relay discovery (relay discovery transmission) is started;
  • the relay discovery mode is started according to the relay discovery mode indicated by the relay discovery mode information
  • the relay discovery mode information or the relay discovery resource pool monitoring indication or the relay discovery information transmission indication sent by the non-access stratum or the UE determines the relay discovery by itself.
  • Mode start relay discovery
  • the relay information includes the relay communication transmission resource pool information and/or the relay communication reception resource pool information, the relay communication is started;
  • the relay information When the UE is in an idle state, the current measurement result of the UE satisfies the relay condition, and the relay information only includes the relay indication or the relay information is empty, the connection state is entered and the relay configuration request information is sent to the serving cell;
  • the UE When the UE is in the idle state and the relay information includes the relay condition information, if the current measurement result of the UE satisfies the relay condition, the UE enters the connected state and sends the relay configuration request information to the serving cell.
  • processing module 54 is configured to: adopt at least one of the following:
  • the relay discovery mode is started according to the relay discovery mode indicated by the relay discovery mode information
  • the relay discovery mode information or the relay discovery resource pool monitoring indication or the relay discovery information transmission indication or the UE determines according to the non-access stratum indication Relay discovery mode initiates relay discovery;
  • the relay information includes In the case where the relay communication transmits the resource pool information and/or the relay communication receives the resource pool information, the relay communication is started.
  • the processing module 54 performs relay discovery through the relay discovery mode 1 (relay discovery transmission)
  • the processing module 54 is configured to adopt at least one of the following:
  • the relay discovery resource is autonomously acquired in the relay discovery transmission resource pool indicated by the system broadcast information sent by the camping cell broadcast, and the relay advertisement information is sent by using the relay discovery resource;
  • the relay discovery resource is autonomously obtained in the relay discovery transmission resource pool indicated by the relay configuration information sent by the serving cell, and the relay advertisement information is sent by using the relay discovery resource;
  • the relay discovery transmission resource indicated by the relay configuration information sent by the serving cell transmits the relay notification information.
  • the processing module 54 performs relay discovery through the relay discovery mode 2 (relay discovery monitoring)
  • the processing module 54 is configured to:
  • the relay discovery receiving resource pool information listening relay request information according to the system broadcast information broadcasted by the camping cell or the serving cell broadcast; or in the case that the UE is in the connected state, according to the relay configuration information sent by the serving cell After receiving the resource pool information, the relay request information is monitored;
  • the relay request information sent by the remote UE is monitored and the UE is in an idle state, it is determined whether the received broadcast resource channel is indicated in the system broadcast information sent by the resident cell broadcast; if yes, the data is sent.
  • Relay response information if not, causing the UE to enter the connected state and send the relay configuration request information to the serving cell to request the relay discovery transmission resource to send the relay response information; or
  • the relay request information sent by the remote UE is monitored, the signal measurement result satisfies the PC5 link quality threshold, and the UE is in the idle state, it is determined whether the received system broadcast information transmitted by the resident cell broadcast indicates the relay. Discovering a transmission resource pool; if yes, transmitting a relay response message; if not, causing the UE to enter a connected state and transmitting a relay configuration request message to the serving cell to request a relay discovery transmission resource to send the relay response information; or
  • the relay discovery resource pool autonomously acquires the relay discovery resource according to the relay configuration information or is indicated according to the relay configuration information. Sending a relay response message after discovering the transmission resource; or
  • the relay discovery resource pool autonomous acquisition relay discovery according to the relay configuration information
  • the resource or the relay discovery transmission resource indicated by the relay configuration information transmits the relay response information.
  • FIG. 7 is a second schematic diagram of an optional structure of a relay user equipment control apparatus according to an embodiment of the present invention. As shown in FIG. 7, the processing module 54 further includes:
  • the monitoring unit 546 is configured to: after receiving the relay discovery by the relay discovery mode 1 (relay discovery transmission) or the relay discovery mode 2 (relay discovery monitoring), listening to the relay communication receiving resource pool;
  • the second processing unit 548 is coupled to the monitoring unit 546 and configured to:
  • the system broadcast information of the camped cell broadcast sent by the UE carries the relay communication transmission resource pool information, and if the UE receives the direct communication request sent by the remote UE, the UE enters the connection. Transmitting the relay configuration request information to the serving cell to request the relay communication to send the resource, transmitting the relay connection establishment information, and forwarding the data for the remote UE; or
  • the UE When the UE is in an idle state, and the UE receives the direct communication request sent by the remote UE, the UE is caused to enter the connection state to send the relay configuration request information to the serving cell to request the relay communication to send the resource, and send the relay connection establishment information. And forwarding data for the remote UE; or
  • the relay communication transmission resource indicated by the relay configuration information sent by the serving cell sends the relay connection establishment information and is the remote UE. Forward data.
  • FIG. 8 is a schematic diagram of an optional structure of a relay user equipment control apparatus according to an embodiment of the present invention.
  • the apparatus further includes: a sending module 82 coupled to the obtaining module 52, configured to: When the UE is in the connected state, the relay discovery resource configuration request is sent to the network control node, where the network control node is the serving cell of the base station.
  • FIG. 9 is a fourth schematic diagram of an optional structure of a relay user equipment control apparatus according to an embodiment of the present invention.
  • the processing module 54 further includes: a third processing unit 545 coupled to the determining unit 542, configured to: determine that the current measurement is performed by the UE. If the result does not satisfy the relay condition or the UE receives the relay configuration release information sent by the network control node: use the relay communication transmission resource or the relay discovery transmission resource broadcast transmission relay connection release information; or send to the remote UE a data packet including a medium access control MAC Control Unit CE for indicating relay release information; or the UE transmitting information to the network control node that does not satisfy the relay condition/relay deactivation.
  • a third processing unit 545 coupled to the determining unit 542, configured to: determine that the current measurement is performed by the UE. If the result does not satisfy the relay condition or the UE receives the relay configuration release information sent by the network control node: use the relay communication transmission resource or the relay discovery transmission resource broadcast transmission relay connection release information; or send to
  • 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 modules are respectively located in multiple processes. In the device.
  • Also provided in this embodiment is a user equipment, including the above-described relay user equipment control apparatus.
  • Embodiments of the present invention also provide a software for performing the technical solutions described in the foregoing embodiments and optional embodiments.
  • Embodiments of the present invention also provide a storage medium.
  • the above storage medium may be configured to store program code for performing the following steps:
  • Step S402 the UE acquires the relay information, where the relay information is sent by the network control node, or the relay information is preset in the UE;
  • Step S404 the UE performs relay initialization and/or relay configuration according to the relay information.
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM).
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • An optional embodiment of the present invention provides a network control method and device for a device through system, to solve The relay initialization and release problem of the UE to the network relay in the device pass-through system.
  • the UE performs relay initialization and configuration according to the relay information
  • the network can control whether the idle state and the connected state of the relay capable UE are initialized to the UE to the network relay to forward data for the remote UE through appropriate relay information, and the network can also control the UE to the network relay.
  • the coverage of the remote UE under the network control can select and reselect the relay to ensure the smooth transmission of the remote UE to the network.
  • An example of a method for initializing a UE with a relay capability to a UE to a network relay and releasing a relay function and an example of a related signaling flow are given by way of example 1 to example 7.
  • Officer A, B uses public safety UE1, UE2 with D2D capability. Officer A, B are all subscribed to public safety services. At the rescue location, UE1 is in network coverage and UE2 is in network coverage. As shown in FIG. 10, the following steps are included:
  • the UE1 with network coverage has UE-to-network relay capability, and is interested in becoming a relay node, and provides a relay service for the uncovered UE.
  • step 1001 it is assumed that UE1 is in an idle state at this time, and UE1 receives a system broadcast message sent by the camping cell. It is assumed that the system broadcast message includes relay condition information, a relay discovery mode, a relay discovery transmission resource pool, a relay discovery reception resource pool, a relay communication reception resource pool, and a relay communication transmission resource pool.
  • the relay condition includes a Uu link quality threshold, a UE remaining power threshold, a UE moving speed threshold, and a PC5 link quality threshold.
  • UE1 detects its own situation. If the Uu link measurement result of the camped cell is greater than the Uu link quality threshold, the remaining power of the UE1 is greater than the remaining power threshold of the UE, and the moving speed of the UE1 is low, and the UE moving speed is low.
  • the threshold is required, so UE1 is initialized to UE-to-network relay and starts to start relay discovery. Assuming that the relay discovery mode indicates the relay discovery mode 2 in the system broadcast message, the UE1 uses the relay discovery receiving resource pool monitoring relay request information included in the system broadcast information transmitted by the camping cell broadcast.
  • Step 1003 assuming that the UE 2 in the no-network coverage state wishes to be able to connect to the network, the UE 2 may send a relay request message.
  • Step 1004 If the relay UE1 hears the relay request information sent by the UE2 and the signal measurement result is greater than the PC5 link quality threshold sent by the system broadcast message, the idle state UE1 acquires the discovery according to the relay discovery transmission resource pool included in the system broadcast information. The resource sends a relay response message.
  • Step 1005 it is assumed that the remote UE2 listens to the relay response message sent by the relay UE1, and selects the relay UE1 to access the network.
  • Step 1006 The remote UE2 sends connection establishment request information to the relay UE1, requesting the access relay UE1 to forward data to the network.
  • the relay UE1 performs relay discovery, and starts monitoring the relay communication receiving resource pool according to the relay communication receiving resource pool information included in the system broadcast information. If the connection establishment request sent by the remote UE is received, the idle state UE1 completes the PC5 connection establishment with the remote UE1.
  • step 1007 the remote UE2 transmits the SL data to the relay UE1.
  • Step 1008 The idle state UE1 enters a connected state before the UE1 forwards the data packet to the network for the remote UE2.
  • step 1009 the data packet of the UE2 is sent to the base station through the Uu interface.
  • the cellular connection establishment process can be performed before the connection establishment of the PC5 is completed.
  • Officer A, B uses public safety UE1, UE2 with D2D capability. Officer A, B are all subscribed to public safety services. At the rescue location, UE1 is in network coverage and UE2 is in network coverage. As shown in FIG. 11, the following steps are included:
  • the UE1 with network coverage has UE-to-network relay capability, and is interested in becoming a relay node, and provides a relay service for the uncovered UE.
  • Step 1101 assuming that UE1 is in an idle state at this time, UE1 receives a system broadcast message sent by the camped cell. Assume that the system broadcast message contains relay condition information, and the relay finds the receiving resource pool. The relay communication receives the resource pool.
  • the relay condition includes a Uu link quality threshold and a PC5 link quality threshold.
  • Step 1102 UE1 detects its own situation. If the URP link RSRP measurement result of the camped cell is greater than the Uu link quality threshold, the UE1 is initialized to the UE to the network relay, and starts the start mode two relay discovery mode, that is, The UE1 starts to use the relay discovery receiving resource pool monitoring relay request information included in the system broadcast information transmitted by the camping cell broadcast.
  • Step 1103 assuming that the UE 2 in the no-network coverage state wishes to be able to connect to the network, the UE 2 may send a relay request message.
  • Step 1104 The relay UE1 hears the relay request information sent by the UE2, and the signal measurement result is greater than the PC5 link quality threshold sent by the system broadcast message, and the idle state UE1 enters the connection state to request the relay to discover the transmission resource for transmission. Following the response message.
  • step 1105 the relay UE1 acquires the relay discovery resource.
  • step 1106 the relay UE1 sends the relay response information.
  • Step 1107 it is assumed that the remote UE2 listens to the relay response message sent by the relay UE1, and selects the relay UE1 to access the network.
  • Step 1108 The remote UE2 sends connection establishment request information to the relay UE1, requesting the access relay UE1 to forward data to the network.
  • Step 1109 The relay UE1 performs relay discovery, and starts listening to the relay communication receiving resource pool according to the relay communication receiving resource pool information included in the system broadcast information. If the connection establishment request sent by the remote UE2 is received, the UE1 requests the relay station to send the relay connection establishment information to the base station to complete the PC5 connection establishment with the remote UE1.
  • step 1110 the relay UE1 sends a connection establishment response to the remote UE2.
  • step 1111 the remote UE2 sends data to the relay UE1.
  • step 1112 the relay UE1 forwards the data packet to the network for the remote UE2.
  • Officer A, B uses public safety UE1, UE2 with D2D capability. Officer A, B Both subscribe to public safety services. At the rescue location, UE1 is in network coverage and UE2 is in network coverage. As shown in Figure 12, the following steps are included:
  • the UE1 with network coverage has UE-to-network relay capability, and is interested in becoming a relay node, and provides a relay service for the uncovered UE.
  • Step 1201 assuming that UE1 is in an idle state at this time, UE1 receives a system broadcast message sent by the camping cell. It is assumed that the system broadcast message includes a relay discovery mode, the relay discovers the transmission resource pool, the relay discovers the reception resource pool, and the relay communication receives the resource pool.
  • the UICC of UE1 is configured with a relay condition related threshold, such as a Uu link quality threshold, a UE remaining power threshold, and a UE moving speed threshold.
  • UE1 detects its own situation. If the Uu link measurement result of the camped cell is greater than the Uu link quality threshold, the remaining capacity of the UE1 is greater than the remaining power threshold of the UE, and the moving speed of the UE1 is low, and the UE moving speed is low.
  • the threshold is required, so UE1 is initialized to UE-to-network relay and starts to start relay discovery.
  • Step 1203 assuming that the relay discovery mode included in the system broadcast message indicates the relay discovery mode one, the UE1 uses the relay discovery transmission resource pool included in the system broadcast information sent by the resident cell broadcast to acquire the relay discovery resource transmission relay. Announcement information.
  • Step 1204 assuming that the UE 2 in the no-network coverage state wants to be able to connect to the network, the UE2 may first monitor whether there is a relay advertisement message sent by the relay UE. It is assumed that the remote UE2 listens to the relay advertisement message sent by the relay UE1, and selects the relay UE1 to access the network.
  • step 1205 the remote UE2 sends connection establishment request information to the relay UE1, requesting the access relay UE1 to forward data to the network.
  • Step 1206 The relay UE1 performs relay discovery, and starts to listen to the relay communication receiving resource pool according to the relay communication receiving resource pool information included in the system broadcast information. If the connection establishment request sent by the remote UE is received, the idle state UE1 needs to enter the connection state.
  • Step 1207 Acquire a relay communication transmission resource from the base station.
  • Step 1208 Send a PC5 connection setup message to the remote UE2.
  • Step 1209 after completing the establishment of the PC5 connection, the remote UE2 sends data to the relay UE1.
  • step 1210 the relay UE1 sends the data packet of the UE2 to the base station through the Uu interface.
  • Officer A, B uses public safety UE1, UE2 with D2D capability. Officer A, B are all subscribed to public safety services. At the rescue location, UE1 is in network coverage and UE2 is in network coverage. As shown in Figure 13, the following steps are included:
  • Step 1300 The UE1 with network coverage has UE-to-network relay capability, and is interested in becoming a relay node, and provides a relay service for the uncovered UE.
  • Step 1301 assuming that UE1 is in an idle state at this time, UE1 receives a system broadcast message sent by the camped cell.
  • step 1302 it is assumed that the system broadcast message only includes a system supporting relay, but does not include information related to the relay resource. Therefore, the UE1 in the idle state needs to enter the connected state.
  • Step 1303 The UE1 sends a relay configuration request to the base station, indicating that the UE1 is interested in becoming the UE to the network relay.
  • Step 1304 After receiving the message, the base station may perform relay authorization authentication on the UE1.
  • Step 1305 If the authentication is passed, the base station sends the relay configuration information to the UE1, where the relay discovery mode and the relay condition may be included.
  • Step 1306 after receiving the relay configuration information sent by the base station, the relay UE1 first determines whether the relay condition related threshold included in the configuration information is met. UE1 detects its own situation. If the Uu link measurement result of the serving cell is greater than the Uu link quality threshold, the remaining power of the UE1 is greater than the remaining power threshold of the UE, and the moving speed of the UE1 is low, and the threshold requirement of the UE moving speed is low, UE1 is initialized to the UE to the network relay and initiates the start of relay discovery. Assuming that the relay discovery mode indicates that the relay discovery mode indication is the relay discovery mode one, the UE1 needs to send the relay advertisement information.
  • the UE1 In order to send the message, the UE1 needs to send a relay transmission indication to the base station (further, the relay discovery indication and the relay communication indication may also be distinguished), and request the base station to send the relay discovery and or the communication resource configuration.
  • the relay discovery transmission resource pool included in the system broadcast information transmitted by the resident cell broadcast acquires the relay discovery resource transmission relay notification information.
  • Step 1307 The UE1 receives an RRC connection reconfiguration message that is sent by the base station and includes a relay discovery transmission resource and a communication transmission resource.
  • Step 1308 The UE1 sends the relay notification information by using the allocated relay discovery transmission resource.
  • Step 1309 assuming that the UE 2 in the no-network coverage state wants to be able to connect to the network, the UE2 may first monitor whether there is a relay advertisement message sent by the relay UE. It is assumed that the remote UE2 listens to the relay advertisement message sent by the relay UE1, and selects the relay UE1 to access the network.
  • the remote UE2 sends a connection establishment request message to the relay UE1, requesting the access relay UE1 to forward data to the network.
  • the relay UE1 starts listening to the relay communication receiving resource pool according to the relay communication receiving resource pool information included in the RRC connection reconfiguration message. If the connection establishment request sent by the remote UE2 is received, the PC5 connection establishment is completed with the remote UE2.
  • step 1311 the remote UE2 sends data to the relay UE1.
  • the relay UE1 may send the data packet of the UE2 to the base station through the Uu interface.
  • Officer A, B uses public safety UE1, UE2 with D2D capability. Officer A, B are all subscribed to public safety services. At the rescue location, UE1 is in network coverage and UE2 is in network coverage. As shown in FIG. 14, the following steps are included:
  • the UE1 with network coverage has UE-to-network relay capability, and is interested in becoming a relay node, and provides a relay service for the uncovered UE.
  • Step 1401 assuming that UE1 is in an idle state at this time, UE1 receives a system broadcast message sent by the camped cell. It is assumed that the system broadcast message only contains relay condition information, but does not include relay resource related information.
  • the UE1 in the idle state first determines whether the relay condition is met, and the UE1 detects the situation. If the Uu link measurement result of the serving cell is greater than the minimum Uu link quality threshold and less than the maximum Uu link quality threshold, the UE1 The remaining power is greater than the remaining power threshold of the UE, and the moving speed of the UE1 is low, which satisfies the threshold requirement that the UE moving speed is low.
  • step 1403 UE1 enters a connected state.
  • Step 1404 the UE1 sends a relay configuration request to the base station.
  • the relay configuration request may include at least one of: a relay indication, a relay discovery transmission, and/or a reception resource request indication, a relay communication transmission, and/or a reception resource request indication relay discovery mode indication, a relay discovery period indication, The relay discovers the resource duration indication.
  • Step 1405 After receiving the message, the base station may perform relay authorization authentication on the UE1.
  • Step 1406 If the authentication is passed, the base station sends the relay configuration information to the UE1, where the relay discovery and or the communication resource configuration may be included.
  • the relay UE1 After receiving the relay configuration information sent by the base station, the relay UE1 initializes to the UE to the network relay, and starts to start relay discovery. It is assumed that the NAS layer of the UE1 initiates the relay discovery mode 2, and the UE1 needs to listen to the relay request information sent by the remote UE. In order to monitor the message, the UE1 starts to use the relay discovery receiving resource pool monitored in the relay configuration information to listen to the relay request information.
  • Step 1407 assuming that the UE 2 in the no-network coverage state wishes to be able to connect to the network, the UE 2 may send a relay request message.
  • Step 1408 the relay UE1 hears the relay request information sent by the UE2, and the signal measurement result is greater than the PC5 link quality threshold included in the relay configuration information, and the relay UE1 sends the relay according to the discovery resource information included in the relay configuration information. Response information.
  • Step 1409 it is assumed that the remote UE2 listens to the relay response message sent by the relay UE1, and selects the relay UE1 to access the network.
  • step 1410 the remote UE2 establishes a PC5 connection with the relay UE1.
  • step 1411 the remote UE2 sends data to the relay UE1.
  • step 1412 the relay UE1 forwards the data packet to the network for the remote UE2.
  • Officer A, B uses public safety UE1, UE2 with D2D capability. Officer A, B are all subscribed to public safety services. At the rescue location, UE1 is in network coverage and UE2 is in network coverage. As shown in Figure 15, the following steps are included:
  • Step 1500 The UE1 with network coverage has UE-to-network relay capability, and is interested in becoming a relay node, and provides a relay service for the uncovered UE.
  • Step 1501 If the UE1 is performing the relay function, the relay configuration information sent by the base station is indicated to be released.
  • Step 1502 After receiving the relay configuration release information, the UE1 may send the resource by using the relay communication.
  • the broadcast sends a PC5 connection release message.
  • Step 1503 After receiving the PC5 connection release information sent by the UE1, the remote UE2 of the access relay UE1 starts to perform relay reselection, and selects a suitable relay to reestablish the PC5 connection.
  • Officer A, B uses public safety UE1, UE2 with D2D capability. Officer A, B are all subscribed to public safety services. At the rescue location, UE1 is in network coverage and UE2 is in network coverage. As shown in FIG. 16, the following steps are included:
  • the UE1 with network coverage has UE-to-network relay capability, and is interested in becoming a relay node, and provides a relay service for the uncovered UE.
  • the UE1 receives a system broadcast message including a relay condition threshold sent by the camping cell.
  • step 1602 the relay UE1 determines that the relay condition related threshold included in the configuration information is satisfied, and therefore the relay UE1 starts to perform the relay function.
  • Step 1603 The UE1 detects that the Uu interface measurement result does not meet the Uu link quality threshold requirement. If the UE1 is in the RRC connection state and starts the relay function, the UE1 may send the serving base station not to satisfy the relay condition and/or Following the activation of the information.
  • the UE1 may send a data packet including the PC5 connection release indication MAC CE to the already accessed remote UE by using the relay communication transmission resource, and may send the relay resource to send the relay discovery indication by using the relay discovery broadcast broadcast. Announcement information.
  • Step 1605 After receiving the PC5 connection release information sent by the UE1, the remote UE2 of the access relay UE1 starts to perform relay reselection, and selects a suitable relay to reestablish the PC5 connection.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented by the processor to implement the above-mentioned relay user equipment control method.
  • modules or steps of the embodiments of the present invention can be implemented by a general-purpose computing device, which can be centralized on a single computing device or distributed over 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 for execution by the computing device. And in some cases, the steps shown or described may be performed in an order different than that herein, or they may be separately fabricated into an integrated circuit module, or a plurality of modules or steps thereof may be fabricated into a single integrated circuit module. to realise. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
  • the embodiment of the present invention solves the problem that the related art does not provide an effective control method for the relay control of the Relay UE in the UE relay transmission scenario of the partial coverage area, and implements the UE relay transmission for the partial coverage area. Relay control of Relay UE in the scene.

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Abstract

本文公布一种中继用户设备控制方法、装置及用户设备。其中,该方法包括:UE获取中继信息,其中,中继信息为网络控制节点发送的,或者中继信息为预先设置在UE中的;UE根据中继信息进行中继初始化和/或中继配置。

Description

中继用户设备控制方法、装置及用户设备 技术领域
本申请涉及但不限于通信领域,尤指一种中继用户设备控制方法、装置及用户设备。
背景技术
随着无线多媒体业务的发展,人们对高数据速率和用户体验的需求日益增长,从而对传统蜂窝网络的***容量和覆盖提出了较高要求。另一方面公共安全、社交网络、近距离数据共享、本地广告等应用场景使得人们对了解附近人或事物并与之通信的邻近服务(Proximity Services,简称为ProSe)的需求逐渐增加。传统的以基站为中心的蜂窝网络在高数据速率以及邻近服务的支持方面存在明显的局限性,在这种需求背景下,代表未来通信技术发展新方向的设备到设备(Device-to-Device,简称为D2D)技术应运而生。D2D技术的应用,可以减轻蜂窝网络的负担、减少用户设备的电池功耗、提高数据速率,并改善网络基础设施的鲁棒性,很好地满足上述高数据速率业务和邻近服务的要求。目前D2D技术又称之为邻近服务(Proximity Services,简称为ProSe),其中的UE之间通过单边链路(Sidelink,简称为SL)发送数据。
D2D技术可以工作在授权频段或非授权频段,允许多个支持D2D功能的用户设备(即D2D用户设备,D2D User Equipment,简称为D2D UE)在有网络基础设施或无网络基础设施的情况下进行直接发现/直接通信。D2D的应用场景包括:
1)UE1和UE2在蜂窝网络的覆盖下进行数据交互,用户面数据不经过网络基础设施,如图1中的场景1;
2)在部分覆盖区域的UE中继传输,如图1中的场景2,又称之为UE到网络中继(UE-to-Network Relay)场景,UE3可以和网络侧使用长期演进(LTE)方式通讯,同时还可通过D2D方式将无网络覆盖的UE4的数据转发给基站,其中UE4被称之为路由UE(Remote UE),UE3被称之为中继 UE(Relay UE);
3)在蜂窝网络不能正常工作的情况下,允许设备间中继通信,如图1中的场景3,又称之为UE到UE中继(UE-to-UE Relay)场景,UE6可在UE5和UE7之间转发数据包,UE6被称之为Relay UE,而UE5和UE7被称之为Remote UE。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本文提供了一种中继用户设备控制方法、装置及用户设备,以至少解决相关技术中并未对部分覆盖区域的UE中继传输场景中Relay UE的中继控制给出有效的控制手段的问题。
根据本发明实施例的一个方面,提供了一种中继用户设备控制方法,包括:用户设备UE获取中继信息;所述UE根据所述中继信息进行中继初始化和/或中继配置。
可选地,所述中继信息为网络控制节点发送的,或者所述中继信息为预先设置在所述UE中的。
可选地,所述UE为具备中继能力的UE,且所述UE有兴趣成为中继UE。
可选地,所述UE处于闲置态或者连接态。
可选地,所述网络控制节点包括以下至少之一:基站、邻近服务功能ProSe Function。
可选地,所述UE获取所述中继信息包括:所述UE接收由所述网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息;或者所述UE接收由所述网络控制节点发送的非接入层信息,其中,所述非接入层信息中携带有所述中继信息;或者所述UE读取所述UE的非易失性存储器中的配置信息,其中,所述配置信息包括所述中继信息。
可选地,在所述UE接收由所述网络控制节点发送的中继配置信息之前, 所述方法还包括:在所述UE处于连接态的情况下,所述UE发送中继配置请求至所述网络控制节点,其中,所述中继配置请求包括以下至少之一:中继指示、中继发现发送和/或接收资源请求指示、中继通信发送和/或接收资源请求指示、中继发现模式指示、中继发现周期指示、中继发现资源时长指示。
可选地,所述UE接收由所述网络控制节点发送的***广播信息和/或中继配置信息包括:在所述UE处于闲置态的情况下,所述UE接收由所述网络控制节点发送的包含中继信息的***广播信息;或者在所述UE处于连接态的情况下,所述UE接收由所述网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息。
可选地,所述中继配置信息包括以下之一:中继配置建立信息、中继配置释放信息。
可选地,所述中继信息包括以下至少之一:中继指示、中继条件信息、PC5链路质量门限、中继发现模式信息、中继发现发送资源/资源池信息、中继发现接收资源池信息、中继通信接收资源池信息、中继通信发送资源/资源池信息。
可选地,所述中继指示用于指示所述网络控制节点是否支持中继功能,其中,所述中继指示通过专有信息单元IE显示指示,或者在***广播信息或者中继配置信息中隐含指示。
可选地,所述中继条件信息包括以下至少之一:Uu链路质量门限、UE剩余电量门限、UE移动速度门限。
可选地,所述Uu链路质量门限包括:所述UE对驻留小区或者服务小区的第一信号测量结果的最低门限和/或最高门限,其中,所述第一信号包括以下至少之一:小区参考信号、信道状态信息。
可选地,所述Uu链路质量门限包括以下至少之一:参考信号接收功率RSRP门限、参考信号接收质量RSRQ门限、信道状态信息-参考信号接收功率CSI-RSRP门限、信道状态信息-参考信号接收质量CSI-RSRQ门限。
可选地,所述PC5链路质量门限包括:所述UE对远端UE发送的第二 信号测量结果的最低门限,其中,所述第二信号包括以下至少之一:D2D解调参考信号、信道状态信息。
可选地,所述PC5链路质量门限包括以下至少之一:参考信号接收功率RSRP门限、参考信号接收质量RSRQ门限、信道状态信息-参考信号接收功率CSI-RSRP门限、信道状态信息-参考信号接收质量CSI-RSRQ门限。
可选地,所述UE根据所述中继信息进行所述中继初始化和/或所述中继配置包括:所述UE判断当前测量结果是否满足中继条件,其中,所述中继条件是根据所述中继信息确定的;在判断到所述当前测量结果满足所述中继条件的情况下,所述UE根据所述中继信息进行所述中继初始化和/或所述中继配置。
可选地,所述UE根据所述中继信息进行所述中继初始化和/或所述中继配置包括以下至少之一:
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现接收资源池信息的情况下,所述UE启动模式二中继发现(中继发现监听);
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现发送资源池信息的情况下,所述UE启动模式一中继发现(中继发现发送);
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现模式信息的情况下,所述UE根据所述中继发现模式信息所指示的中继发现模式启动中继发现;
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件,所述UE根据非接入层发送的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或者UE自行决定中继发现模式启动中继发现;
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,所述UE启动中继通信;
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息中仅包含中继指示或者所述中继信息为空的情况下,所述UE进入连接态并向服务小区发送中继配置请求信息;
在所述UE处于闲置态、且所述中继信息中包含中继条件信息的情况下,如果所述UE的所述当前测量结果满足所述中继条件,则所述UE进入连接态并向服务小区发送中继配置请求信息。
可选地,所述UE根据所述中继信息进行所述中继初始化包括以下至少之一:
在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现模式信息的情况下,所述UE根据所述中继发现模式信息所指示的中继发现模式启动中继发现;
在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件的情况下,所述UE根据非接入层指示的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或UE自行决定中继发现模式启动中继发现;
在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,所述UE启动中继通信。
可选地,所述UE启动模式一中继发现(中继发现发送)包括以下至少之一:
在所述UE处于闲置态的情况下,所述UE在驻留小区广播发送的***广播信息指示的中继发现发送资源池中自治获取中继发现资源,并使用所述中继发现资源发送中继通告信息;
在所述UE处于连接态的情况下,所述UE在服务小区发送的中继配置信息指示的中继发现发送资源池中自治获取中继发现资源,并使用所述中继发现资源发送中继通告信息;
在所述UE处于连接态的情况下,所述UE使用服务小区发送的中继配置信息指示的中继发现发送资源发送中继通告信息。
可选地,所述UE启动模式二中继发现(中继发现监听)包括:
所述UE根据驻留小区或者服务小区广播发送的***广播信息指示的中继发现接收资源池信息监听中继请求信息;或者在所述UE处于连接态的情况下,所述UE根据服务小区发送的中继配置信息指示的中继发现接收资源池信息监听中继请求信息;
在监听到远端UE发送的所述中继请求信息、且所述UE处于闲置态的情况下,所述UE判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则所述UE发送中继响应信息;若没有,则所述UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
在监听到远端UE发送的所述中继请求信息、信号测量结果满足PC5链路质量门限、且所述UE处于闲置态的情况下,所述UE判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则所述UE发送中继响应信息;若没有,则所述UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
在监听到远端UE发送的所述中继请求信息、且所述UE处于连接态的情况下,所述UE根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息;或者
在监听到远端UE发送的所述中继请求信息、信号测量结果满足PC5链路质量门限、且所述UE处于连接态的情况下,所述UE根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息。
可选地,所述UE启动中继通信包括:
所述UE监听中继通信接收资源池;
在所述UE处于闲置态、所述UE接收到的驻留小区广播发送的***广播信息中携带有中继通信发送资源池信息,且所述UE接收到远端UE发送的直接通信请求的情况下,所述UE进入连接态向服务小区发送中继配置请 求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
在所述UE处于闲置态,且所述UE接收到远端UE发送的直接通信请求的情况下,所述UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
在所述UE处于连接态,且所述UE接收到远端UE发送的直接通信请求的情况下,所述UE根据服务小区发送的中继配置信息指示的中继通信发送资源,发送中继连接建立信息并为远端UE转发数据。
可选地,所述UE根据所述中继信息进行中继初始化和/或中继配置还包括:在所述UE判断到所述当前测量结果不满足所述中继条件或者所述UE接收到所述网络控制节点发送的中继配置释放信息的情况下:所述UE使用中继通信发送资源或者中继发现发送资源广播发送中继连接释放信息;或者所述UE向远端UE发送包含用于指示中继释放信息的媒体接入控制MAC控制单元CE的数据包;或者所述UE向所述网络控制节点发送不满足所述中继条件和/或中继去激活的信息。
根据本发明实施例的另一个方面,还提供了一种中继用户设备控制装置,应用于用户设备UE,包括:获取模块,设置为:获取中继信息;处理模块,设置为:根据所述中继信息进行中继初始化和/或中继配置。
可选地,所述中继信息为网络控制节点发送的,或者所述中继信息为预先设置在所述UE中的。
可选地,所述UE为具备中继能力的UE,且所述UE有兴趣成为中继UE。
可选地,所述UE处于闲置态或者连接态。
可选地,所述网络控制节点包括以下至少之一:基站、邻近服务功能ProSe Function。
可选地,所述获取模块设置为:接收由所述网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息;或者接收由所述网络控制节点发送的非接入层信息,其中,所述非接入层信息中携带有所述中继信息;或者 读取所述UE的非易失性存储器中的配置信息,其中,所述配置信息包括所述中继信息。
可选地,所述装置还包括:发送模块,设置为:在所述UE处于连接态的情况下,发送中继配置请求至所述网络控制节点,其中,所述中继配置请求包括以下至少之一:中继指示、中继发现发送和/或接收资源请求指示、中继通信发送和/或接收资源请求指示、中继发现模式指示、中继发现周期指示、中继发现资源时长指示。
可选地,所述获取模块设置为:在所述UE处于闲置态的情况下,接收由所述网络控制节点发送的包含中继信息的***广播信息;或者在所述UE处于连接态的情况下,接收由所述网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息。
可选地,所述中继配置信息包括以下之一:中继配置建立信息、中继配置释放信息。
可选地,所述中继信息包括以下至少之一:中继指示、中继条件信息、PC5链路质量门限、中继发现模式信息、中继发现发送资源/资源池信息、中继发现接收资源池信息、中继通信接收资源池信息、中继通信发送资源/资源池信息。
可选地,所述中继指示用于指示所述网络控制节点是否支持中继功能,其中,所述中继指示通过专有信息单元IE显示指示,或者在***广播信息或者中继配置信息中隐含指示。
可选地,所述中继条件信息包括以下至少之一:空中接口Uu链路质量门限、UE剩余电量门限、UE移动速度门限。
可选地,所述Uu链路质量门限包括:所述UE对驻留小区或者服务小区的第一信号测量结果的最低门限和/或最高门限,其中,所述第一信号包括以下至少之一:小区参考信号、信道状态信息。
可选地,所述Uu链路质量门限包括以下至少之一:参考信号接收功率RSRP门限、参考信号接收质量RSRQ门限、信道状态信息-参考信号接收功率CSI-RSRP门限、信道状态信息-参考信号接收质量CSI-RSRQ门限。
可选地,所述PC5链路质量门限包括:所述UE对远端UE发送的第二信号测量结果的最低门限,其中,所述第二信号包括以下至少之一:D2D解调参考信号、信道状态信息。
可选地,所述PC5链路质量门限包括以下至少之一:参考信号接收功率RSRP门限、参考信号接收质量RSRQ门限、信道状态信息-参考信号接收功率CSI-RSRP门限、信道状态信息-参考信号接收质量CSI-RSRQ门限。
可选地,所述处理模块包括:判断单元,设置为:判断当前测量结果是否满足中继条件,其中,所述中继条件是根据所述中继信息确定的;第一处理单元,设置为:在判断到所述当前测量结果满足所述中继条件的情况下,根据所述中继信息进行所述中继初始化和/或所述中继配置。
可选地,所述处理模块设置为:采用以下至少之一:
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现接收资源池信息的情况下,启动模式二中继发现(中继发现监听);
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现发送资源池信息的情况下,启动模式一中继发现(中继发现发送);
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现模式信息的情况下,根据所述中继发现模式信息所指示的中继发现模式启动中继发现;
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件,根据非接入层发送的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或者UE自行决定中继发现模式启动中继发现;
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,启动中继通信;
在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息中仅包含中继指示或者所述中继信息为空的情况下,进 入连接态并向服务小区发送中继配置请求信息;
在所述UE处于闲置态、且所述中继信息中包含中继条件信息的情况下,如果所述UE的所述当前测量结果满足所述中继条件,则所述UE进入连接态并向服务小区发送中继配置请求信息。
可选地,所述处理模块设置为:采用以下至少之一:
在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现模式信息的情况下,根据所述中继发现模式信息所指示的中继发现模式启动中继发现;
在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件的情况下,根据非接入层指示的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或UE自行决定中继发现模式启动中继发现;
在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,启动中继通信。
可选地,在所述处理模块启动模式一中继发现(中继发现发送)的情况下,所述处理模块设置为:采用以下至少之一:
在所述UE处于闲置态的情况下,在驻留小区广播发送的***广播信息指示的中继发现发送资源池中自治获取中继发现资源,并使用所述中继发现资源发送中继通告信息;
在所述UE处于连接态的情况下,在服务小区发送的中继配置信息指示的中继发现发送资源池中自治获取中继发现资源,并使用所述中继发现资源发送中继通告信息;
在所述UE处于连接态的情况下,使用服务小区发送的中继配置信息指示的中继发现发送资源发送中继通告信息。
可选地,在所述处理模块启动模式二中继发现(中继发现监听)的情况下,所述处理模块设置为:
根据驻留小区或者服务小区广播发送的***广播信息指示的中继发现接 收资源池信息监听中继请求信息;或者在所述UE处于连接态的情况下,根据服务小区发送的中继配置信息指示的中继发现接收资源池信息监听中继请求信息;
在监听到远端UE发送的所述中继请求信息、且所述UE处于闲置态的情况下,判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则发送中继响应信息;若没有,则使得所述UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
在监听到远端UE发送的所述中继请求信息、信号测量结果满足PC5链路质量门限、且所述UE处于闲置态的情况下,判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则发送中继响应信息;若没有,则使得所述UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
在监听到远端UE发送的所述中继请求信息、且所述UE处于连接态的情况下,根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息;或者
在监听到远端UE发送的所述中继请求信息、信号测量结果满足PC5链路质量门限、且所述UE处于连接态的情况下,根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息。
可选地,所述处理模块还包括:
监听单元,设置为:在通过中继发现模式一(中继发现发送)或者中继发现模式二(中继发现监听)进行中继发现之后,监听中继通信接收资源池;
第二处理单元,设置为:
在所述UE处于闲置态、所述UE接收到的驻留小区广播发送的***广播信息中携带有中继通信发送资源池信息,且所述UE接收到远端UE发送的直接通信请求的情况下,使得所述UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE 转发数据;或者
在所述UE处于闲置态,且所述UE接收到远端UE发送的直接通信请求的情况下,使得所述UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
在所述UE处于连接态,且所述UE接收到远端UE发送的直接通信请求的情况下,根据服务小区发送的中继配置信息指示的中继通信发送资源,发送中继连接建立信息并为远端UE转发数据。
可选地,所述处理模块还包括:第三处理单元,设置为:在所述UE判断到所述当前测量结果不满足所述中继条件或者所述UE接收到所述网络控制节点发送的中继配置释放信息的情况下:使用中继通信发送资源或者中继发现发送资源广播发送中继连接释放信息;或者向远端UE发送包含用于指示中继释放信息的媒体接入控制MAC控制单元CE的数据包;或者所述UE向所述网络控制节点发送不满足所述中继条件和/或中继去激活的信息。
根据本发明实施例的另一个方面,还提供了一种用户设备,包括:上述的中继用户设备控制装置。
根据本发明实施例的另一个方面,还提供了一种计算机可读存储介质,存储有计算机可执行指令,所述计算机可执行指令被处理器执行时实现上述方法。
通过本发明实施例,采用UE获取中继信息,其中,中继信息为网络控制节点发送的,或者中继信息为预先设置在UE中的;UE根据中继信息进行中继初始化和/或中继配置的方式,解决了相关技术中并未对部分覆盖区域的UE中继传输场景中Relay UE的中继控制给出有效的控制手段的问题,实现了对部分覆盖区域的UE中继传输场景中Relay UE的中继控制。
在阅读并理解了附图和详细描述后,可以明白其他方面。
附图概述
图1是根据相关技术的设备直通***发现/通信的示意图;
图2是根据相关技术的设备直通***中继发现模式一的示意图;
图3是根据相关技术的设备直通***中继发现模式二的示意图;
图4是根据本发明实施例的中继用户设备控制方法的流程图;
图5是根据本发明实施例的中继用户设备控制装置的结构示意图;
图6是根据本发明实施例的中继用户设备控制装置的可选结构示意图一;
图7是根据本发明实施例的中继用户设备控制装置的可选结构示意图二;
图8是根据本发明实施例的中继用户设备控制装置的可选结构示意图三;
图9是根据本发明实施例的中继用户设备控制装置的可选结构示意图四;
图10是根据本发明实例1的闲置态UE初始化为中继的流程图;
图11是根据本发明实例2的闲置态UE初始化为中继的流程图;
图12是根据本发明实例3的闲置态UE初始化为中继的流程图;
图13是根据本发明实例4的连接态UE初始化为中继的流程图;
图14是根据本发明实例5的连接态UE初始化为中继的流程图;
图15是根据本发明实例6的连接态UE释放中继功能的流程图;
图16是根据本发明实例7的连接态UE释放中继功能的流程图。
本发明的实施方式
下文中将参考附图并结合实施例来详细说明本发明的实施方式。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,本文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。
本申请的发明人在研究过程中发现:场景2和场景3中的设备直通***中,Remote UE在与Relay UE进行数据转发之前,Remote UE需要首先发现Relay UE。根据SA的定义,Relay发现包括两种模式:1)中继发现模式一,如图2所示,Relay UE周期性的发送中继通告(relay announcement)消息,remote UE监听周围relay发送的中继通告消息,如果remote UE监听到该消息,则认为发现了Relay,可以发起D2D通信请求,Relay UE转发Remote UE 的数据到网络;2)中继发现模式二,如图3所示,Remote UE发送中继请求(relay solicitation)消息,周围的Relay UE如果监听到该消息,则发送Relay response消息给Remote UE。需要注意的是,中继发现模式一启动需要relay UE发起relay发现信息发送,而中继发现模式二启动则需要relay UE首先发起relay发现信息监听。相关技术中并未对部分覆盖区域的UE中继传输场景中Relay UE的中继控制给出有效的控制手段。
在本实施例中提供了一种中继用户设备控制方法,图4是根据本发明实施例的中继用户设备控制方法的流程图,如图4所示,该流程包括如下步骤:
步骤S402,UE获取中继信息;
步骤S404,UE根据中继信息进行中继初始化和/或中继配置。
通过上述步骤,由网络控制节点向用户设备发送中继信息,以使得UE根据中继信息进行中继初始化和/或中继配置,从而解决了相关技术中并未对部分覆盖区域的UE中继传输场景中Relay UE的中继控制给出有效的控制手段的问题,实现了对部分覆盖区域的UE中继传输场景中Relay UE的中继控制。
其中,在本发明实施例中的UE包括具有中继能力的UE,此外,这些UE还有兴趣成为中继UE,则适用于本发明实施例描述的中继用户设备控制方法。
可选地,中继信息为网络控制节点发送的,或者中继信息为预先设置在UE中的。
可选地,上述的UE可以处于闲置态或者连接态。
可选地,网络控制节点包括以下至少之一:基站、邻近服务功能(ProSe Function)。其中,基站可以通过驻留小区发送中继***广播至闲置态的UE,还可以通过服务小区发送中继***广播或者中继配置信息至连接态的UE。
可选地,在步骤S402中,UE在闲置态和连接态可以从相同或者不同的网络控制节点接收中继信息,例如,UE接收由基站的服务小区发送的包含中继信息的***广播信息或者中继配置信息。即中继信息可以承载在已有的信息中发送给UE。
或者,UE从非接入层(例如ProSe功能)接收非接入层信息,其中,非接入层信息中携带有中继信息;
或者,中继信息是预先保存在UE中的,则UE直接读取其非易失性存储器中的配置信息,其中,该配置信息包括上述的中继信息。
可选的,在步骤S402之前,在UE处于连接态的情况下,UE发送中继配置请求至网络控制节点,其中,中继配置请求包括以下至少之一:中继指示、中继发现发送和/或接收资源请求指示、中继通信发送和/或接收资源请求指示、中继发现模式指示、中继发现周期指示、中继发现资源时长指示。此外,服务小区也可以主动发送中继配置信息至UE。
可选的,在步骤S402中,UE接收由网络控制节点发送的***广播信息和/或中继配置信息包括:在UE处于闲置态的情况下,UE接收由网络控制节点发送的包含中继信息的***广播信息;或者在UE处于连接态的情况下,UE接收由网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息。
可选地,中继配置信息包括以下之一:中继配置建立信息、中继配置释放信息。通过中继配置信息可以实现中继的建立或者释放。
可选地,中继信息包括以下至少之一:中继指示、中继条件信息、PC5链路质量门限、中继发现模式信息、中继发现发送资源/资源池信息、中继发现接收资源池信息、中继通信接收资源池信息、中继通信发送资源/资源池信息。其中,PC5链路是指D2D UE之间的直连链路。
可选地,中继指示用于指示网络控制节点是否支持中继功能,其中,中继指示通过专有信息单元(IE)显示指示,或者在***广播信息或者中继配置信息中隐含指示。
可选地,中继条件信息包括以下至少之一:空中接口(Uu)链路质量门限、UE剩余电量门限、UE移动速度门限。
可选地,Uu链路质量门限包括:UE对驻留小区或者服务小区的第一信号测量结果的最低门限,其中,第一信号包括以下至少之一:小区参考信号、信道状态信息。
可选地,Uu链路质量门限包括以下至少之一:参考信号接收功率(RSRP)门限、参考信号接收质量(RSRQ)门限、信道状态信息-参考信号接收功率(CSI-RSRP)门限、信道状态信息-参考信号接收质量(CSI-RSRQ)门限。
可选地,PC5链路质量门限包括:UE对远端UE发送的第二信号测量结果的最低门限,其中,第二信号包括以下至少之一:D2D解调参考信号、信道状态信息。
可选地,PC5链路质量门限包括以下至少之一:参考信号接收功率(RSRP)门限、参考信号接收质量(RSRQ)门限、信道状态信息-参考信号接收功率(CSI-RSRP)门限、信道状态信息-参考信号接收质量(CSI-RSRQ)门限。
可选地,中继发现发送资源池信息或者中继发现接收资源池信息或者中继通信发送资源池信息或者中继通信接收资源池信息包括:独立的用于中继的信息,或者,与D2D发现发送资源池信息或者D2D发现接收资源池信息或者D2D通信发送资源池信息或者D2D通信接收资源池信息复用的信息。即上述资源池信息可以是独立信息,也可以通过复用已有的通信资源池信息的方式传输。
可选地,在步骤S404中,UE判断当前测量结果是否满足中继条件;在判断条件为是的情况下,UE根据中继信息进行中继初始化和/或中继配置。中继条件可以是通过中继信息通知给UE的,也可以是UE预先设置的。
例如,在UE判断当前测量结果是否满足中继条件之前,UE接收驻留小区发送的包含中继信息的***广播信息或者中继配置信息;和/或UE接收由网络控制节点发送的中继信息包括:UE接收ProSe Function发送的中继条件信息;和/或UE读取UE中预设的中继条件信息;其中,中继条件是根据上述中继条件信息中至少之一确定的。
可选地,UE根据中继信息进行中继初始化和/或中继配置包括以下至少之一:
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息包括中继发现接收资源池信息的情况下,UE启动模式二中继发现(中继发现监听);
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息包括中继发现发送资源池信息的情况下,UE启动模式一中继发现(中继发现发送);
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息包括中继发现模式信息的情况下,UE根据中继发现模式信息所指示的中继发现模式启动中继发现;
在UE处于闲置态、UE的当前测量结果满足中继条件,UE根据非接入层发送的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或者UE自行决定中继发现模式启动中继发现;
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,UE启动中继通信;
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息中仅包含中继指示或者中继信息为空的情况下,UE进入连接态并向服务小区发送中继配置请求信息;
在UE处于闲置态、且中继信息中包含中继条件信息的情况下,如果UE的当前测量结果满足中继条件,则UE进入连接态并向服务小区发送中继配置请求信息。
可选地,UE根据中继信息进行中继初始化包括以下至少之一:
在UE处于连接态、UE的当前测量结果满足中继条件、且中继信息包括中继发现模式信息的情况下,UE根据中继发现模式信息所指示的中继发现模式启动中继发现;
在UE处于连接态、UE的当前测量结果满足中继条件的情况下,UE根据非接入层指示的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或者UE自行决定中继发现模式启动中继发现;
在UE处于连接态、UE的当前测量结果满足中继条件、且中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,UE启动中继通信。
可选地,UE通过中继发现模式一进行中继发现(中继发现发送)包括以下至少之一:
在UE处于闲置态的情况下,UE在驻留小区广播发送的***广播信息指示的中继发现发送资源池中自治获取中继发现资源,并使用中继发现资源发送中继通告信息;
在UE处于连接态的情况下,UE在服务小区发送的中继配置信息指示的中继发现发送资源池中自治获取中继发现资源,并使用中继发现资源发送中继通告信息;
在UE处于连接态的情况下,UE使用服务小区发送的中继配置信息指示的中继发现发送资源发送中继通告信息。
可选地,UE通过中继发现模式二进行中继发现(中继发现监听)包括:
UE根据驻留小区或者服务小区广播发送的***广播信息指示的中继发现接收资源池信息监听中继请求信息;或者在UE处于连接态的情况下,UE根据服务小区发送的中继配置信息指示的中继发现接收资源池信息监听中继请求信息;
在监听到远端UE发送的中继请求信息、且UE处于闲置态的情况下,UE判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则UE发送中继响应信息;若没有,则UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
在监听到远端UE发送的中继请求信息、信号测量结果满足PC5链路质量门限、且UE处于闲置态的情况下,UE判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则UE发送中继响应信息;若没有,则UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
在监听到远端UE发送的中继请求信息、且UE处于连接态的情况下,UE根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息;或者
在监听到远端UE发送的中继请求信息、信号测量结果满足PC5链路质量门限、且UE处于连接态的情况下,UE根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息。
可选地,在UE通过中继发现模式一(中继发现发送)或者中继发现模式二(中继发现监听)进行中继发现之后,UE根据中继信息进行中继通信包括:
UE监听中继通信接收资源池;
在UE处于闲置态、UE接收到的驻留小区广播发送的***广播信息中携带有中继通信发送资源池信息,且UE接收到远端UE发送的直接通信请求的情况下,UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
在UE处于闲置态,且UE接收到远端UE发送的直接通信请求的情况下,UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
在UE处于连接态,且UE接收到远端UE发送的直接通信请求的情况下,UE根据服务小区发送的中继配置信息指示的中继通信发送资源,发送中继连接建立信息并为远端UE转发数据。
可选地,UE根据中继信息进行中继初始化和/或中继配置还包括:在UE判断到当前测量结果不满足中继条件或者UE接收到网络控制节点发送的中继配置释放信息的情况下:UE使用中继通信发送资源或者中继发现发送资源广播发送中继连接释放信息;或者UE向远端UE发送包含用于指示中继释放信息的媒体接入控制MAC控制单元CE的数据包;或者UE向网络控制节点发送不满足中继条件和/或中继去激活的信息。
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,本发明实施例的技术方案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,包括多个指令用以 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)执行本发明实施例的方法。
在本实施例中还提供了一种中继用户设备控制装置,应用于具有中继能力的UE,该装置用于实现上述实施例及可选实施方式,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可以以软件来实现,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5是根据本发明实施例的中继用户设备控制装置的结构框图,如图5所示,该装置包括:获取模块52和处理模块54,其中,获取模块52,设置为:获取中继信息;处理模块54,耦合至获取模块52,设置为:根据中继信息进行中继初始化和/或中继配置。
可选地,中继信息为网络控制节点发送的,或者中继信息为预先设置在UE中的。
可选地,UE为具备中继能力的UE,且UE有兴趣成为中继UE。
可选地,UE处于闲置态或者连接态。
可选地,网络控制节点包括以下至少之一:基站、邻近服务功能(ProSe Function)。
可选地,获取模块52设置为:接收由网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息;或者接收由网络控制节点发送的非接入层信息,其中,非接入层信息中携带有中继信息;或者读取UE的非易失性存储器中的配置信息,其中,配置信息包括中继信息。
可选地,获取模块52设置为:在UE处于闲置态的情况下,接收由网络控制节点发送的包含中继信息的***广播信息;或者在UE处于连接态的情况下,接收由网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息。
可选地,中继配置信息包括以下之一:中继配置建立信息、中继配置释放信息。
可选地,中继信息包括以下至少之一:中继指示、中继条件信息、PC5 链路质量门限、中继发现模式信息、中继发现发送资源/资源池信息、中继发现接收资源池信息、中继通信接收资源池信息、中继通信发送资源/资源池信息。
可选地,中继指示用于指示网络控制节点是否支持中继功能,其中,中继指示通过专有信息单元IE显示指示,或者在***广播信息或者中继配置信息中隐含指示。
可选地,中继条件信息包括以下至少之一:空中接口(Uu)链路质量门限、UE剩余电量门限、UE移动速度门限、PC5链路质量门限。
可选地,Uu链路质量门限包括:UE对驻留小区或者服务小区的第一信号测量结果的最低门限和/或最高门限,其中,第一信号包括以下至少之一:小区参考信号、信道状态信息。
可选地,Uu链路质量门限包括以下至少之一:参考信号接收功率RSRP门限、参考信号接收质量RSRQ门限、信道状态信息-参考信号接收功率CSI-RSRP门限、信道状态信息-参考信号接收质量CSI-RSRQ门限。
可选地,PC5链路质量门限包括:UE对远端UE发送的第二信号测量结果的最低门限,其中,第二信号包括以下至少之一:D2D解调参考信号、信道状态信息。
可选地,PC5链路质量门限包括以下至少之一:参考信号接收功率RSRP门限、参考信号接收质量RSRQ门限、信道状态信息-参考信号接收功率CSI-RSRP门限、信道状态信息-参考信号接收质量CSI-RSRQ门限。
可选地,中继发现发送资源池信息或者中继发现接收资源池信息或者中继通信发送资源池信息或者中继通信接收资源池信息包括:独立的用于中继的信息,或者,与D2D发现发送资源池信息或者D2D发现接收资源池信息或者D2D通信发送资源池信息或者D2D通信接收资源池信息复用的信息。
图6是根据本发明实施例的中继用户设备控制装置的可选结构示意图一,如图6所示,可选地,处理模块54包括:判断单元542,设置为:判断当前测量结果是否满足中继条件;第一处理单元544,耦合至判断单元542,设置为:在判断条件为是的情况下,根据中继信息进行中继初始化和/或中继配置。
可选地,处理模块54还设置为:采用以下至少之一:
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息包括中继发现接收资源池信息的情况下,启动模式二中继发现(中继发现监听);
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息包括中继发现发送资源池信息的情况下,启动模式一中继发现(中继发现发送);
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息包括中继发现模式信息的情况下,根据中继发现模式信息所指示的中继发现模式启动中继发现;
在UE处于闲置态、UE的当前测量结果满足中继条件,根据非接入层发送的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或者UE自行决定中继发现模式启动中继发现;
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,启动中继通信;
在UE处于闲置态、UE的当前测量结果满足中继条件、且中继信息中仅包含中继指示或者中继信息为空的情况下,进入连接态并向服务小区发送中继配置请求信息;
在UE处于闲置态、且中继信息中包含中继条件信息的情况下,如果UE的当前测量结果满足中继条件,则UE进入连接态并向服务小区发送中继配置请求信息。
可选地,处理模块54设置为:采用以下至少之一:
在UE处于连接态、UE的当前测量结果满足中继条件、且中继信息包括中继发现模式信息的情况下,根据中继发现模式信息所指示的中继发现模式启动中继发现;
在UE处于连接态、UE的当前测量结果满足中继条件的情况下,根据非接入层指示的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或者UE自行决定中继发现模式启动中继发现;
在UE处于连接态、UE的当前测量结果满足中继条件、且中继信息包括 中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,启动中继通信。
可选地,在处理模块54通过中继发现模式一(中继发现发送)进行中继发现的情况下,处理模块54设置为:采用以下至少之一:
在UE处于闲置态的情况下,在驻留小区广播发送的***广播信息指示的中继发现发送资源池中自治获取中继发现资源,并使用中继发现资源发送中继通告信息;
在UE处于连接态的情况下,在服务小区发送的中继配置信息指示的中继发现发送资源池中自治获取中继发现资源,并使用中继发现资源发送中继通告信息;
在UE处于连接态的情况下,使用服务小区发送的中继配置信息指示的中继发现发送资源发送中继通告信息。
可选地,在处理模块54通过中继发现模式二(中继发现监听)进行中继发现的情况下,处理模块54设置为:
根据驻留小区或者服务小区广播发送的***广播信息指示的中继发现接收资源池信息监听中继请求信息;或者在UE处于连接态的情况下,根据服务小区发送的中继配置信息指示的中继发现接收资源池信息监听中继请求信息;
在监听到远端UE发送的中继请求信息、且UE处于闲置态的情况下,判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则发送中继响应信息;若没有,则使得UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
在监听到远端UE发送的中继请求信息、信号测量结果满足PC5链路质量门限、且UE处于闲置态的情况下,判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则发送中继响应信息;若没有,则使得UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
在监听到远端UE发送的中继请求信息、且UE处于连接态的情况下,根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息;或者
在监听到远端UE发送的中继请求信息、信号测量结果满足PC5链路质量门限、且UE处于连接态的情况下,根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息。
图7是根据本发明实施例的中继用户设备控制装置的可选结构示意图二,如图7所示,可选地,处理模块54还包括:
监听单元546,设置为:在通过中继发现模式一(中继发现发送)或者中继发现模式二(中继发现监听)进行中继发现之后,监听中继通信接收资源池;
第二处理单元548,耦合至监听单元546,设置为:
在UE处于闲置态、UE接收到的驻留小区广播发送的***广播信息中携带有中继通信发送资源池信息,且UE接收到远端UE发送的直接通信请求的情况下,使得UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
在UE处于闲置态,且UE接收到远端UE发送的直接通信请求的情况下,使得UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
在UE处于连接态,且UE接收到远端UE发送的直接通信请求的情况下,根据服务小区发送的中继配置信息指示的中继通信发送资源,发送中继连接建立信息并为远端UE转发数据。
图8是根据本发明实施例的中继用户设备控制装置的可选结构示意图三,如图8所示,可选地,装置还包括:发送模块82,耦合至获取模块52,设置为:在UE处于连接态的情况下,发送中继发现资源配置请求至网络控制节点,其中,网络控制节点为基站的服务小区。
图9是根据本发明实施例的中继用户设备控制装置的可选结构示意图四, 如图9所示,基于图6所示的中继用户设备控制装置,可选地,处理模块54还包括:第三处理单元545,耦合至判断单元542,设置为:在UE判断到当前测量结果不满足中继条件或者UE接收到网络控制节点发送的中继配置释放信息的情况下:使用中继通信发送资源或者中继发现发送资源广播发送中继连接释放信息;或者向远端UE发送包含用于指示中继释放信息的媒体接入控制MAC控制单元CE的数据包;或者所述UE向所述网络控制节点发送不满足所述中继条件/中继去激活的信息。
需要说明的是,上述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,上述模块分别位于多个处理器中。
在本实施例中还提供了一种用户设备,包括上述的中继用户设备控制装置。
本发明的实施例还提供了一种软件,该软件用于执行上述实施例及可选实施方式中描述的技术方案。
本发明的实施例还提供了一种存储介质。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:
步骤S402,UE获取中继信息,其中,中继信息为网络控制节点发送的,或者中继信息为预先设置在UE中的;
步骤S404,UE根据中继信息进行中继初始化和/或中继配置。
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(Read-Only Memory,简称为ROM)、随机存取存储器(Random Access Memory,简称为RAM)、移动硬盘、磁碟或者光盘等多种可以存储程序代码的介质。
可选地,本实施例中的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。
为了使本发明实施例的描述更加清楚,下面结合可选实施例进行描述和说明。
本发明可选实施例提供了一种设备直通***网络控制方法及装置,以解 决设备直通***中UE到网络中继的中继初始化以及释放问题。
本发明实施例提出一种设备直通***中继初始化方法包括:
UE接收网络控制节点发送的中继信息;
UE根据中继信息进行中继初始化和或配置;
通过上述步骤,网络可以通过适当的中继信息,控制闲置态以及连接态的具备中继能力的UE是否初始化为UE到网络中继为远端UE转发数据,网络还可以控制UE到网络中继何时释放中继功能,使得网络控制下有覆盖远端UE可以选择以及重选中继,确保远端UE到网络的传输顺利进行。
以下通过实例1至实例7给出具备中继能力的UE初始化为UE到网络中继以及释放中继功能的方法示例及相关的信令流程示例。
实例1
Officer A,B使用具备D2D功能的公共安全UE1,UE2。Officer A,B都订阅了公共安全服务。在救援地点,UE1处于有网络覆盖状态,而UE2处于无网络覆盖。如图10所示,包括如下步骤:
步骤1000,处于有网络覆盖的UE1具备UE到网络中继能力,且有兴趣成为中继节点,为无覆盖的UE提供中继服务。
步骤1001,假设UE1此时处于闲置状态,UE1接收驻留小区发送的***广播消息。假设***广播消息中包含中继条件信息,中继发现模式,中继发现发送资源池,中继发现接收资源池,中继通信接收资源池,中继通信发送资源池。其中,中继条件包括Uu链路质量门限,UE剩余电量门限,UE移动速度门限,PC5链路质量门限。
步骤1002,UE1对自身情况进行检测,如果对驻留小区的Uu链路测量结果大于Uu链路质量门限,UE1剩余电量大于UE剩余电量门限,UE1的移动速度低,满足UE移动速度为低的门限要求,因此UE1初始化为UE到网络中继,并启动开始中继发现。假设***广播消息中包括有中继发现模式指示中继发现模式二,则UE1使用驻留小区广播发送的***广播信息中包含的中继发现接收资源池监听中继请求信息。
步骤1003,假设处于无网络覆盖状态的UE2希望能连接到网络,则UE2可发送中继请求消息。
步骤1004,假设中继UE1听到了UE2发送的中继请求信息且信号测量结果大于***广播消息发送的PC5链路质量门限,则闲置态UE1根据***广播信息包含的中继发现发送资源池获取发现资源发送中继响应信息。
步骤1005,假设远端UE2监听到了中继UE1发送的中继响应消息,并选择了中继UE1接入网络。
步骤1006,远端UE2向中继UE1发送连接建立请求信息,请求接入中继UE1为其转发数据到网络。中继UE1执行中继发现的同时,根据***广播信息中包含的中继通信接收资源池信息开始监听中继通信接收资源池。如果接收到远端UE发送的连接建立请求,则闲置态UE1与远端UE1完成PC5连接建立。
步骤1007,远端UE2向中继UE1传输SL数据。
步骤1008,在UE1为远端UE2转发数据包到网络之前,闲置态UE1进入连接态。
步骤1009,将UE2的数据包通过Uu口发送给基站。
需要注意的是,如果PC5连接建立过程中,中继UE1就已经需要在Uu口与网络有信息交互,则蜂窝连接建立过程可以与PC5连接建立完成之前进行。
实例2
Officer A,B使用具备D2D功能的公共安全UE1,UE2。Officer A,B都订阅了公共安全服务。在救援地点,UE1处于有网络覆盖状态,而UE2处于无网络覆盖。如图11所示,包括如下步骤:
步骤1100,处于有网络覆盖的UE1具备UE到网络中继能力,且有兴趣成为中继节点,为无覆盖的UE提供中继服务。
步骤1101,假设UE1此时处于闲置状态,UE1接收驻留小区发送的***广播消息。假设***广播消息中包含中继条件信息,中继发现接收资源池, 中继通信接收资源池。其中,中继条件包括Uu链路质量门限,PC5链路质量门限。
步骤1102,UE1对自身情况进行检测,如果对驻留小区的Uu链路RSRP测量结果大于Uu链路质量门限,则UE1初始化为UE到网络中继,并启动开始模式二中继发现模式,即UE1开始使用驻留小区广播发送的***广播信息中包含的中继发现接收资源池监听中继请求信息。
步骤1103,假设处于无网络覆盖状态的UE2希望能连接到网络,则UE2可发送中继请求消息。
步骤1104,中继UE1听到了UE2发送的中继请求信息且信号测量结果大于***广播消息发送的PC5链路质量门限,则闲置态UE1进入连接态向基站请求中继发现发送资源用于发送中继响应信息。
步骤1105,中继UE1获取到中继发现资源。
步骤1106,中继UE1发送中继响应信息。
步骤1107,假设远端UE2监听到了中继UE1发送的中继响应消息,并选择了中继UE1接入网络。
步骤1108,远端UE2向中继UE1发送连接建立请求信息,请求接入中继UE1为其转发数据到网络。
步骤1109,中继UE1执行中继发现的同时,根据***广播信息中包含的中继通信接收资源池信息开始监听中继通信接收资源池。如果接收到远端UE2发送的连接建立请求,则UE1向基站请求中继通信发送资源发送中继连接建立信息与远端UE1完成PC5连接建立。
步骤1110,中继UE1向远端UE2发送连接建立响应。
步骤1111,远端UE2向中继UE1发送数据。
步骤1112,中继UE1为远端UE2转发数据包到网络。
实例3
Officer A,B使用具备D2D功能的公共安全UE1,UE2。Officer A,B 都订阅了公共安全服务。在救援地点,UE1处于有网络覆盖状态,而UE2处于无网络覆盖。如图12所示,包括如下步骤:
步骤1200,处于有网络覆盖的UE1具备UE到网络中继能力,且有兴趣成为中继节点,为无覆盖的UE提供中继服务。
步骤1201,假设UE1此时处于闲置状态,UE1接收驻留小区发送的***广播消息。假设***广播消息中包含中继发现模式,中继发现发送资源池,中继发现接收资源池,中继通信接收资源池。UE1的UICC配置了中继条件相关门限,如Uu链路质量门限,UE剩余电量门限,UE移动速度门限。
步骤1202,UE1对自身情况进行检测,如果对驻留小区的Uu链路测量结果大于Uu链路质量门限,UE1剩余电量大于UE剩余电量门限,UE1的移动速度低,满足UE移动速度为低的门限要求,因此UE1初始化为UE到网络中继,并启动开始中继发现。
步骤1203,假设***广播消息中包括的中继发现模式指示中继发现模式一,则UE1使用驻留小区广播发送的***广播信息中包含的中继发现发送资源池获取中继发现资源发送中继通告信息。
步骤1204,假设处于无网络覆盖状态的UE2希望能连接到网络,则UE2可首先监听周围是否有中继UE发送的中继通告消息。假设远端UE2监听到了中继UE1发送的中继通告消息,并选择了中继UE1接入网络。
步骤1205,远端UE2向中继UE1发送连接建立请求信息,请求接入中继UE1为其转发数据到网络。
步骤1206,中继UE1执行中继发现的同时,根据***广播信息中包含的中继通信接收资源池信息开始监听中继通信接收资源池。如果接收到远端UE发送的连接建立请求,闲置态UE1需要进入连接态。
步骤1207,从基站获取中继通信发送资源。
步骤1208,向远端UE2发送PC5连接建立消息。
步骤1209,完成PC5连接建立之后,远端UE2向中继UE1发送数据。
步骤1210,中继UE1将UE2的数据包通过Uu口发送给基站。
实例4
Officer A,B使用具备D2D功能的公共安全UE1,UE2。Officer A,B都订阅了公共安全服务。在救援地点,UE1处于有网络覆盖状态,而UE2处于无网络覆盖。如图13所示,包括如下步骤:
步骤1300,处于有网络覆盖的UE1具备UE到网络中继能力,且有兴趣成为中继节点,为无覆盖的UE提供中继服务。
步骤1301,假设UE1此时处于闲置状态,UE1接收驻留小区发送的***广播消息。
步骤1302,假设***广播消息中仅包含支持中继的制式,但不包括中继资源相关信息。因此处于闲置态的UE1需要进入连接态。
步骤1303,UE1向基站发送中继配置请求,指示UE1有兴趣成为UE到网络中继。
步骤1304,基站收到该消息后,可对UE1进行中继授权认证。
步骤1305,如果认证通过,基站向UE1发送中继配置信息,其中可包括中继发现模式以及中继条件。
步骤1306,中继UE1接收到基站下发中继配置信息后,首先判断是否满足配置信息中包含的中继条件相关门限。UE1对自身情况进行检测,如果对服务小区的Uu链路测量结果大于Uu链路质量门限,UE1剩余电量大于UE剩余电量门限,UE1的移动速度低,满足UE移动速度为低的门限要求,则UE1初始化为UE到网络中继,并启动开始中继发现。假设中继配置信息中包含中继发现模式指示为中继发现模式一,则UE1需要发送中继通告信息。为了发送该消息,UE1需要向基站发送中继发送指示(进一步的,还可以区分中继发现指示和或中继通信指示),请求基站发送中继发现和或通信资源配置。使用驻留小区广播发送的***广播信息中包含的中继发现发送资源池获取中继发现资源发送中继通告信息。
步骤1307,UE1接收到基站下发的包含中继发现发送资源和或通信发送资源的RRC连接重配消息。
步骤1308,UE1使用所分配的中继发现发送资源发送中继通告信息。
步骤1309,假设处于无网络覆盖状态的UE2希望能连接到网络,则UE2可首先监听周围是否有中继UE发送的中继通告消息。假设远端UE2监听到了中继UE1发送的中继通告消息,并选择了中继UE1接入网络。
步骤1310,远端UE2向中继UE1发送连接建立请求信息,请求接入中继UE1为其转发数据到网络。中继UE1根据RRC连接重配消息中包含的中继通信接收资源池信息开始监听中继通信接收资源池。如果接收到远端UE2发送的连接建立请求,与远端UE2完成PC5连接建立。
步骤1311,远端UE2向中继UE1发送数据。
步骤1312,中继UE1可以将UE2的数据包通过Uu口发送给基站。
实例5
Officer A,B使用具备D2D功能的公共安全UE1,UE2。Officer A,B都订阅了公共安全服务。在救援地点,UE1处于有网络覆盖状态,而UE2处于无网络覆盖。如图14所示,包括如下步骤:
步骤1400,处于有网络覆盖的UE1具备UE到网络中继能力,且有兴趣成为中继节点,为无覆盖的UE提供中继服务。
步骤1401,假设UE1此时处于闲置状态,UE1接收驻留小区发送的***广播消息。假设***广播消息中仅包含中继条件信息,但不包括中继资源相关信息。
步骤1402,处于闲置态的UE1首先判断是否满足中继条件,UE1对自身情况进行检测,如果对服务小区的Uu链路测量结果大于最小Uu链路质量门限且小于最大Uu链路质量门限,UE1剩余电量大于UE剩余电量门限,UE1的移动速度低,满足UE移动速度为低的门限要求。
步骤1403,UE1进入连接态。
步骤1404,UE1向基站发送中继配置请求。中继配置请求可包括以下至少之一:中继指示,中继发现发送和/或接收资源请求指示,中继通信发送和/或接收资源请求指示中继发现模式指示,中继发现周期指示,中继发现资源时长指示。
步骤1405,基站收到该消息后,可对UE1进行中继授权认证。
步骤1406,如果认证通过,基站向UE1发送中继配置信息,其中可包括中继发现和或通信资源配置。中继UE1接收到基站发送的中继配置信息后,初始化为UE到网络中继,并启动开始中继发现。假设UE1的NAS层发起中继发现模式二,则UE1需要监听远端UE发送的中继请求信息。为了监听该消息,UE1开始使用中继配置信息中包含的中继发现接收资源池监听中继请求信息。
步骤1407,假设处于无网络覆盖状态的UE2希望能连接到网络,则UE2可发送中继请求消息。
步骤1408,中继UE1听到了UE2发送的中继请求信息且信号测量结果大于中继配置信息包含的PC5链路质量门限,则中继UE1根据中继配置信息中包含的发现资源信息发送中继响应信息。
步骤1409,假设远端UE2监听到了中继UE1发送的中继响应消息,并选择了中继UE1接入网络。
步骤1410,远端UE2与中继UE1建立PC5连接。
步骤1411,远端UE2向中继UE1发送数据。
步骤1412,中继UE1为远端UE2转发数据包到网络。
实例6
Officer A,B使用具备D2D功能的公共安全UE1,UE2。Officer A,B都订阅了公共安全服务。在救援地点,UE1处于有网络覆盖状态,而UE2处于无网络覆盖。如图15所示,包括如下步骤:
步骤1500,处于有网络覆盖的UE1具备UE到网络中继能力,且有兴趣成为中继节点,为无覆盖的UE提供中继服务。
步骤1501,假设UE1正在执行中继功能时,收到基站发送的中继配置信息指示释放。
步骤1502,UE1接收到中继配置释放信息后,可通过中继通信发送资源 广播发送PC5连接释放信息。
步骤1503,接入中继UE1的远端UE2接收到UE1发送的PC5连接释放信息后,开始执行中继重选,选择一个合适的中继重新建立PC5连接。
实例7
Officer A,B使用具备D2D功能的公共安全UE1,UE2。Officer A,B都订阅了公共安全服务。在救援地点,UE1处于有网络覆盖状态,而UE2处于无网络覆盖。如图16所示,包括如下步骤:
步骤1601,处于有网络覆盖的UE1具备UE到网络中继能力,且有兴趣成为中继节点,为无覆盖的UE提供中继服务。UE1接收驻留小区发送的包含中继条件门限的***广播消息。
步骤1602,中继UE1判断满足配置信息中包含的中继条件相关门限,因此中继UE1开始执行中继功能。
步骤1603,后续UE1检测到Uu口测量结果不满足Uu链路质量门限要求,如果UE1处于RRC连接状态后启动的中继功能,UE1可向服务基站发送不满足所述中继条件和/或中继去激活的信息。
步骤1604,UE1可通过中继通信发送资源向已经接入的远端UE发送包含PC5连接释放指示MAC CE的数据包,和或通过中继发现发送资源广播发送携带中继释放指示的中继发现通告信息。
步骤1605,接入中继UE1的远端UE2接收到UE1发送的PC5连接释放信息后,开始执行中继重选,选择一个合适的中继重新建立PC5连接。
本发明实施例还提供了一种计算机可读存储介质,存储有计算机可执行指令,所述计算机可执行指令被处理器执行时实现上述中继用户设备控制方法。
显然,本领域的技术人员应该明白,上述的本发明实施例的模块或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,本发明实施例不限制于任何特定的硬件和软件结合。
以上仅为本发明的可选实施例而已,并不用于限制本申请,对于本领域的技术人员来说,本申请可以有多种更改和变化。凡在本申请的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本申请的保护范围之内。
工业实用性
通过本发明实施例,解决了相关技术中并未对部分覆盖区域的UE中继传输场景中Relay UE的中继控制给出有效的控制手段的问题,实现了对部分覆盖区域的UE中继传输场景中Relay UE的中继控制。

Claims (35)

  1. 一种中继用户设备控制方法,包括:
    用户设备UE获取中继信息;
    所述UE根据所述中继信息进行中继初始化和/或中继配置。
  2. 根据权利要求1所述的方法,其中,
    所述中继信息为网络控制节点发送的,或者所述中继信息为预先设置在所述UE中的。
  3. 根据权利要求1所述的方法,其中,
    所述UE为具备中继能力的UE,且所述UE有兴趣成为中继UE。
  4. 根据权利要求1所述的方法,其中,所述UE处于闲置态或者连接态。
  5. 根据权利要求1所述的方法,其中,所述网络控制节点包括以下至少之一:
    基站、邻近服务功能ProSe Function。
  6. 根据权利要求1所述的方法,其中,所述UE获取所述中继信息包括:
    所述UE接收由所述网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息;或者
    所述UE接收由所述网络控制节点发送的非接入层信息,其中,所述非接入层信息中携带有所述中继信息;或者
    所述UE读取所述UE的非易失性存储器中的配置信息,其中,所述配置信息包括所述中继信息。
  7. 根据权利要求6所述的方法,其中,在所述UE接收由所述网络控制节点发送的中继配置信息之前,所述方法还包括:
    在所述UE处于连接态的情况下,所述UE发送中继配置请求至所述网络控制节点,其中,所述中继配置请求包括以下至少之一:中继指示、中继发现发送和/或接收资源请求指示、中继通信发送和/或接收资源请求指示、中继发现模式指示、中继发现周期指示、中继发现资源时长指示。
  8. 根据权利要求6所述的方法,其中,所述UE接收由所述网络控制节 点发送的包含中继信息的***广播信息和/或中继配置信息包括:
    在所述UE处于闲置态的情况下,所述UE接收由所述网络控制节点发送的包含中继信息的***广播信息;或者
    在所述UE处于连接态的情况下,所述UE接收由所述网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息。
  9. 根据权利要求6所述的方法,其中,所述中继配置信息包括以下之一:
    中继配置建立信息、中继配置释放信息。
  10. 根据权利要求1所述的方法,其中,所述中继信息包括以下至少之一:
    中继指示、中继条件信息、PC5链路质量门限、中继发现模式信息、中继发现发送资源/资源池信息、中继发现接收资源池信息、中继通信接收资源池信息、中继通信发送资源/资源池信息。
  11. 根据权利要求10所述的方法,其中,
    所述中继指示用于指示所述网络控制节点是否支持中继功能,其中,所述中继指示通过专有信息单元IE显示指示,或者在***广播信息或者中继配置信息中隐含指示。
  12. 根据权利要求10所述的方法,其中,所述中继条件信息包括以下至少之一:
    Uu链路质量门限、UE剩余电量门限、UE移动速度门限。
  13. 根据权利要求12所述的方法,其中,所述Uu链路质量门限包括:
    所述UE对驻留小区或者服务小区的第一信号测量结果的最低门限和/或最高门限,其中,所述第一信号包括以下至少之一:小区参考信号、信道状态信息。
  14. 根据权利要求13所述的方法,其中,所述Uu链路质量门限包括以下至少之一:
    参考信号接收功率RSRP门限、参考信号接收质量RSRQ门限、信道状态信息-参考信号接收功率CSI-RSRP门限、信道状态信息-参考信号接收质量CSI-RSRQ门限。
  15. 根据权利要求10所述的方法,其中,所述PC5链路质量门限包括:
    所述UE对远端UE发送的第二信号测量结果的最低门限,其中,所述第二信号包括以下至少之一:D2D解调参考信号、信道状态信息。
  16. 根据权利要求15所述的方法,其中,所述PC5链路质量门限包括以下至少之一:
    参考信号接收功率RSRP门限、参考信号接收质量RSRQ门限、信道状态信息-参考信号接收功率CSI-RSRP门限、信道状态信息-参考信号接收质量CSI-RSRQ门限。
  17. 根据权利要求1至16中任一项所述的方法,其中,所述UE根据所述中继信息进行所述中继初始化和/或所述中继配置包括:
    所述UE判断当前测量结果是否满足中继条件,其中,所述中继条件是根据所述中继信息确定的;
    在判断到所述当前测量结果满足所述中继条件的情况下,所述UE根据所述中继信息进行所述中继初始化和/或所述中继配置。
  18. 根据权利要求17所述的方法,其中,所述UE根据所述中继信息进行所述中继初始化和/或所述中继配置包括以下至少之一:
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现接收资源池信息的情况下,所述UE启动模式二中继发现;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现发送资源池信息的情况下,所述UE启动模式一中继发现;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现模式信息的情况下,所述UE根据所述中继发现模式信息所指示的中继发现模式启动中继发现;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件,所述UE根据非接入层发送的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或者UE自行决定中继发现模式启动中继 发现;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,所述UE启动中继通信;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息中仅包含中继指示或者所述中继信息为空的情况下,所述UE进入连接态并向服务小区发送中继配置请求信息;
    在所述UE处于闲置态、且所述中继信息中包含中继条件信息的情况下,如果所述UE的所述当前测量结果满足所述中继条件,则所述UE进入连接态并向服务小区发送中继配置请求信息。
  19. 根据权利要求17所述的方法,其中,所述UE根据所述中继信息进行所述中继初始化包括以下至少之一:
    在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现模式信息的情况下,所述UE根据所述中继发现模式信息所指示的中继发现模式启动中继发现;
    在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件的情况下,所述UE根据非接入层指示的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或UE自行决定中继发现模式启动中继发现;
    在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,所述UE启动中继通信。
  20. 根据权利要求18或19所述的方法,其中,所述UE启动模式一中继发现包括以下至少之一:
    在所述UE处于闲置态的情况下,所述UE在驻留小区广播发送的***广播信息指示的中继发现发送资源池中自治获取中继发现资源,并使用所述中继发现资源发送中继通告信息;
    在所述UE处于连接态的情况下,所述UE在服务小区发送的中继配置 信息指示的中继发现发送资源池中自治获取中继发现资源,并使用所述中继发现资源发送中继通告信息;
    在所述UE处于连接态的情况下,所述UE使用服务小区发送的中继配置信息指示的中继发现发送资源发送中继通告信息。
  21. 根据权利要求18或19所述的方法,其中,所述UE启动模式二中继发现包括:
    所述UE根据驻留小区或者服务小区广播发送的***广播信息指示的中继发现接收资源池信息监听中继请求信息;或者在所述UE处于连接态的情况下,所述UE根据服务小区发送的中继配置信息指示的中继发现接收资源池信息监听中继请求信息;
    在监听到远端UE发送的所述中继请求信息、且所述UE处于闲置态的情况下,所述UE判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则所述UE发送中继响应信息;若没有,则所述UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
    在监听到远端UE发送的所述中继请求信息、信号测量结果满足PC5链路质量门限、且所述UE处于闲置态的情况下,所述UE判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则所述UE发送中继响应信息;若没有,则所述UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
    在监听到远端UE发送的所述中继请求信息、且所述UE处于连接态的情况下,所述UE根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息;或者
    在监听到远端UE发送的所述中继请求信息、信号测量结果满足PC5链路质量门限、且所述UE处于连接态的情况下,所述UE根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息。
  22. 根据权利要求18或19所述的方法,其中,所述UE启动中继通信包括:
    所述UE监听中继通信接收资源池;
    在所述UE处于闲置态、所述UE接收到的驻留小区广播发送的***广播信息中携带有中继通信发送资源池信息,且所述UE接收到远端UE发送的直接通信请求的情况下,所述UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
    在所述UE处于闲置态,且所述UE接收到远端UE发送的直接通信请求的情况下,所述UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
    在所述UE处于连接态,且所述UE接收到远端UE发送的直接通信请求的情况下,所述UE根据服务小区发送的中继配置信息指示的中继通信发送资源,发送中继连接建立信息并为远端UE转发数据。
  23. 根据权利要求17所述的方法,其中,所述UE根据所述中继信息进行中继初始化和/或中继配置还包括:
    在所述UE判断到所述当前测量结果不满足所述中继条件或者所述UE接收到所述网络控制节点发送的中继配置释放信息的情况下:所述UE使用中继通信发送资源或者中继发现发送资源广播发送中继连接释放信息;或者所述UE向远端UE发送包含用于指示中继释放信息的媒体接入控制MAC控制单元CE的数据包;或者所述UE向所述网络控制节点发送不满足所述中继条件和/或中继去激活的信息。
  24. 一种中继用户设备控制装置,应用于用户设备UE,包括:
    获取模块,设置为:获取中继信息;
    处理模块,设置为:根据所述中继信息进行中继初始化和/或中继配置。
  25. 根据权利要求24所述的装置,其中,所述获取模块设置为:
    接收由所述网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息;或者
    接收由所述网络控制节点发送的非接入层信息,其中,所述非接入层信息中携带有所述中继信息;或者
    读取所述UE的非易失性存储器中的配置信息,其中,所述配置信息包括所述中继信息。
  26. 根据权利要求25所述的装置,所述装置还包括:
    发送模块,设置为:在所述UE处于连接态的情况下,发送中继配置请求至所述网络控制节点,其中,所述中继配置请求包括以下至少之一:中继指示、中继发现发送和/或接收资源请求指示、中继通信发送和/或接收资源请求指示、中继发现模式指示、中继发现周期指示、中继发现资源时长指示。
  27. 根据权利要求26所述的装置,其中,所述获取模块设置为:
    在所述UE处于闲置态的情况下,接收由所述网络控制节点发送的包含中继信息的***广播信息;或者
    在所述UE处于连接态的情况下,接收由所述网络控制节点发送的包含中继信息的***广播信息和/或中继配置信息。
  28. 根据权利要求24至27中任一项所述的装置,其中,所述处理模块包括:
    判断单元,设置为:判断当前测量结果是否满足中继条件,其中,所述中继条件是根据所述中继信息确定的;
    第一处理单元,设置为:在判断到所述当前测量结果满足所述中继条件的情况下,根据所述中继信息进行所述中继初始化和/或所述中继配置。
  29. 根据权利要求28所述的装置,其中,所述处理模块设置为:采用以下至少之一:
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现接收资源池信息的情况下,启动模式二中继发现;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现发送资源池信息的情况下,启动模式一中继发现;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现模式信息的情况下,根据所述中继发现模式信息所指示的中继发现模式启动中继发现;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件,根据非接入层发送的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或者UE自行决定中继发现模式启动中继发现;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,启动中继通信;
    在所述UE处于闲置态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息中仅包含中继指示或者所述中继信息为空的情况下,进入连接态并向服务小区发送中继配置请求信息;
    在所述UE处于闲置态、且所述中继信息中包含中继条件信息的情况下,如果所述UE的所述当前测量结果满足所述中继条件,则所述UE进入连接态并向服务小区发送中继配置请求信息。
  30. 根据权利要求28所述的装置,其中,所述处理模块设置为:采用以下至少之一:
    在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继发现模式信息的情况下,根据所述中继发现模式信息所指示的中继发现模式启动中继发现;
    在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件的情况下,根据非接入层指示的中继发现模式信息或者中继发现资源池监听指示或者中继发现信息发送指示或UE自行决定中继发现模式启动中继发现;
    在所述UE处于连接态、所述UE的所述当前测量结果满足所述中继条件、且所述中继信息包括中继通信发送资源池信息和/或中继通信接收资源池信息的情况下,启动中继通信。
  31. 根据权利要求29或30所述的装置,其中,在所述处理模块启动模式 一中继发现的情况下,所述处理模块设置为:采用以下至少之一:
    在所述UE处于闲置态的情况下,在驻留小区广播发送的***广播信息指示的中继发现发送资源池中自治获取中继发现资源,并使用所述中继发现资源发送中继通告信息;
    在所述UE处于连接态的情况下,在服务小区发送的中继配置信息指示的中继发现发送资源池中自治获取中继发现资源,并使用所述中继发现资源发送中继通告信息;
    在所述UE处于连接态的情况下,使用服务小区发送的中继配置信息指示的中继发现发送资源发送中继通告信息。
  32. 根据权利要求29或30所述的装置,其中,在所述处理模块启动模式二中继发现的情况下,所述处理模块设置为:
    根据驻留小区或者服务小区广播发送的***广播信息指示的中继发现接收资源池信息监听中继请求信息;或者在所述UE处于连接态的情况下,根据服务小区发送的中继配置信息指示的中继发现接收资源池信息监听中继请求信息;
    在监听到远端UE发送的所述中继请求信息、且所述UE处于闲置态的情况下,判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则发送中继响应信息;若没有,则使得所述UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
    在监听到远端UE发送的所述中继请求信息、信号测量结果满足PC5链路质量门限、且所述UE处于闲置态的情况下,判断接收到的驻留小区广播发送的***广播信息中是否指示中继发现发送资源池;若有,则发送中继响应信息;若没有,则使得所述UE进入连接态并向服务小区发送中继配置请求信息请求中继发现发送资源,以发送中继响应信息;或者
    在监听到远端UE发送的所述中继请求信息、且所述UE处于连接态的情况下,根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息;或者
    在监听到远端UE发送的所述中继请求信息、信号测量结果满足PC5链路质量门限、且所述UE处于连接态的情况下,根据中继配置信息指示的中继发现发送资源池自治获取中继发现资源或根据中继配置信息指示的中继发现发送资源,发送中继响应信息。
  33. 根据权利要求29或30所述的装置,其中,所述处理模块还包括:
    监听单元,设置为:在通过中继发现模式一或者中继发现模式二进行中继发现之后,监听中继通信接收资源池;
    第二处理单元,设置为:
    在所述UE处于闲置态、所述UE接收到的驻留小区广播发送的***广播信息中携带有中继通信发送资源池信息,且所述UE接收到远端UE发送的直接通信请求的情况下,使得所述UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
    在所述UE处于闲置态,且所述UE接收到远端UE发送的直接通信请求的情况下,使得所述UE进入连接态向服务小区发送中继配置请求信息以请求中继通信发送资源,发送中继连接建立信息并为远端UE转发数据;或者
    在所述UE处于连接态,且所述UE接收到远端UE发送的直接通信请求的情况下,根据服务小区发送的中继配置信息指示的中继通信发送资源,发送中继连接建立信息并为远端UE转发数据。
  34. 根据权利要求28所述的装置,其中,所述处理模块还包括:
    第三处理单元,设置为:在所述UE判断到所述当前测量结果不满足所述中继条件或者所述UE接收到所述网络控制节点发送的中继配置释放信息的情况下:使用中继通信发送资源或者中继发现发送资源广播发送中继连接释放信息;或者向远端UE发送包含用于指示中继释放信息的媒体接入控制MAC控制单元CE的数据包;或者所述UE向所述网络控制节点发送不满足所述中继条件和/或中继去激活的信息。
  35. 一种用户设备,包括:如权利要求23至权利要求33中任一项所述的中继用户设备控制装置。
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