WO2017049648A1 - 一种通信处理方法、节点及终端 - Google Patents

一种通信处理方法、节点及终端 Download PDF

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Publication number
WO2017049648A1
WO2017049648A1 PCT/CN2015/090849 CN2015090849W WO2017049648A1 WO 2017049648 A1 WO2017049648 A1 WO 2017049648A1 CN 2015090849 W CN2015090849 W CN 2015090849W WO 2017049648 A1 WO2017049648 A1 WO 2017049648A1
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WIPO (PCT)
Prior art keywords
node
communication
relay
signal quality
connection
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PCT/CN2015/090849
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English (en)
French (fr)
Inventor
张亮亮
曹振臻
柴丽
王宏
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华为技术有限公司
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Priority to PCT/CN2015/090849 priority Critical patent/WO2017049648A1/zh
Publication of WO2017049648A1 publication Critical patent/WO2017049648A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/38TPC being performed in particular situations
    • H04W52/46TPC being performed in particular situations in multi hop networks, e.g. wireless relay networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/04Terminal devices adapted for relaying to or from another terminal or user
    • 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 invention relates to the field of communications technologies, and in particular, to a communication processing method, a node, and a terminal.
  • the user terminal can communicate with the base station through the air interface to process the uplink and downlink data.
  • the user terminals can directly communicate with each other, that is, the device.
  • Device-to-Device (D2D) communication technology does not need to be transmitted through a base station, such as a public safety scenario, communication between terminals carried by fire group members, and a relay terminal can also be introduced to provide network for other terminals.
  • the service may be referred to as a relay-based D2D communication technology, that is, the uplink data of the terminal A is forwarded to the base station through the terminal B, or the downlink data sent by the network to the terminal A is forwarded by the terminal B to the terminal A, where the terminal B is Relay terminal.
  • the relay terminal must handle the connection state with the base station, and can perform the D2D relay communication process with other terminals, thereby causing waste of energy and resources of the relay terminal.
  • the embodiment of the invention discloses a communication processing method, a node and a terminal, which can save the energy and resources of the relay terminal.
  • a first aspect of the embodiments of the present invention discloses a communication processing method, including:
  • the data communication between the first node and the second node includes:
  • the operation of establishing the second connection between the first node and the third node is performed when the first node receives the request message sent by the second node.
  • the first node receives the request message sent by the second node in the second possible implementation manner of the first aspect of the embodiment Thereafter, the method further includes:
  • the operation of establishing the second connection between the first node and the third node is performed when the first node sends a reply message to the second node or after.
  • the data communication between the first node and the second node includes:
  • the operation of establishing the second connection between the first node and the third node is performed when the first node receives the direct communication request message sent by the second node.
  • the first node receives the direct communication request message sent by the second node. Thereafter, the method further includes:
  • the operation of establishing a second connection between the first node and the third node is performed when or after the mutual authentication operation is performed between the first node and the second node.
  • the first node receives the direct communication request message sent by the second node in the fifth possible implementation manner of the first aspect of the embodiment Thereafter, the method further includes:
  • the operation of establishing the second connection between the first node and the third node is performed when the first node sends a direct communication reply message to the second node.
  • the data communication between the first node and the second node includes:
  • the first node establishes a security layer 2 link with the second node
  • the operation of establishing a second connection between the first node and the third node is performed when the first node establishes a security layer 2 link with the second node.
  • the first node and the second node establish a security layer 2 link. Thereafter, the method further includes:
  • the first node allocates an IP address to the second node
  • the operation of establishing the second connection between the first node and the third node is performed when the first node allocates an IP address to the second node.
  • the first node establishes a security layer 2 link with the second node. Thereafter, the method further includes:
  • the operation of establishing the second connection between the first node and the third node is performed when the first node receives the data or data request sent by the second node.
  • the first possible implementation manner of the first aspect of the embodiment of the present invention, the second possible implementation manner of the first aspect of the embodiment of the present invention, and the first aspect of the first aspect of the embodiment of the present invention The third possible implementation manner of the first aspect of the embodiment of the present invention, the fifth possible implementation manner of the first aspect of the embodiment of the present invention, and the sixth aspect of the first aspect of the embodiment of the present invention.
  • the possible implementation manner, the seventh possible implementation manner of the first aspect of the embodiment of the present invention, or the eighth possible implementation manner of the first aspect of the embodiment of the present invention, the ninth possibility of the first aspect of the embodiment of the present invention In an implementation manner, a second connection is established between the first node and the third node, including at least one of the following:
  • the first node accesses the third node
  • the first node performs an authentication process with the third node
  • the first node establishes a third node public data network PDN or a short-range public data network ProSe PDN to provide a service to the second node;
  • the first node establishes a service with the third node radio bearer RB for the second node.
  • the first possible implementation of the first aspect of the embodiment of the present invention The second possible implementation manner of the first aspect of the embodiment of the present invention, the third possible implementation manner of the first aspect of the embodiment of the present invention, and the fourth possible implementation manner of the first aspect of the embodiment of the present invention,
  • the fifth possible implementation manner of the first aspect of the embodiment of the present invention the sixth possible implementation manner of the first aspect of the embodiment of the present invention, the seventh possible implementation manner of the first aspect of the embodiment of the present invention, and the present invention
  • the eighth possible implementation manner of the first aspect of the embodiment, or the ninth possible implementation manner of the first aspect of the embodiment of the present invention After the second connection is established between the first node and the third node, the method further includes:
  • the first node sends a second message to the third node, and the second message includes identifier information of the second node.
  • the second connection is used by the third node
  • the communication service provided by the first node includes at least one of: the third node forwards data of the second node to the first node; and the third node allocates the first node to the first node A resource for data communication between the node and the second node.
  • a second aspect of the embodiments of the present invention discloses a communication processing method, including:
  • the second node measures a signal quality of a link between the second node and the fourth node
  • the second node selects a relay node from at least one candidate node according to the signal quality
  • the second node communicates with the selected relay node.
  • the method further includes:
  • the second node reports the signal quality to the fourth node
  • the second node receives a fifth message sent by the fourth node for the signal quality, and the fifth message is used to indicate that the second node is allowed to select a relay node.
  • the second node selects a relay node from the at least one candidate node when the signal quality satisfies the condition of the first event.
  • the method further includes:
  • the second node When the signal quality satisfies the indication of the first event, the second node keeps connected with the fourth node according to the indication of the second event, or maintains communication with the fourth node, or disconnects The fourth node is connected, or the communication with the fourth node is disconnected, or the service network provided by the fourth node is exited.
  • the second node exits the The service network provided by the four nodes, including:
  • the second node selects a relay node from the at least one candidate node when the signal quality meets the condition of the indication of the first event, include:
  • the second node selects a relay node from at least one candidate node
  • the second node is from at least one candidate Select a relay node in the node;
  • the second node selects a relay node from the at least one candidate node.
  • the second node selects a relay node from the at least one candidate node, including :
  • the second node pairs the second node and the at least one candidate according to a preset frequency priority
  • the frequency of communication between the nodes is prioritized to obtain a first sorting result
  • the second node selects, as the relay node, the relay node with the highest priority from the first sorting result.
  • the second node selects a relay node from the at least one candidate node, including :
  • the second node measures a signal quality between the second node and each of the at least one candidate node
  • the second node sorts the signal quality between the second node and each of the at least one candidate node to obtain a second sorting result
  • the second node selects, as the relay node, a relay node with the highest signal quality from the second sorting result.
  • a third aspect of the embodiment of the present invention discloses a node, including:
  • a communication unit configured to perform data communication with the second node, where the data communication is used to provide a relay service for the second node;
  • the communication unit is further configured to establish a second connection with the third node at or after data communication with the second node, where the second connection is used for the third node Provide communication services.
  • the manner of performing data communication between the communication unit and the second node is specifically, receiving a request message sent by the second node, where the request message is used. Requesting a relay service;
  • the operation of establishing the second connection with the third node is performed when the communication unit receives the request message sent by the second node.
  • the communications unit receives the request message sent by the second node. And sending a reply message to the second node, where the reply message is used to indicate that the first node is capable of providing a relay service; wherein, when the communication unit sends a reply message to the second node, or after, Performing the operation of establishing a second connection with the third node.
  • the manner of performing data communication between the communication unit and the second node is specifically, receiving a direct communication request message sent by the second node, where the direct The communication request message is used to request to establish a connection between the first node and the second node;
  • the operation of establishing the second connection with the third node is performed when the communication unit receives the direct communication request message sent by the second node.
  • the communications unit receives the direct communication request message sent by the second node. And performing a mutual authentication operation with the second node; wherein, when the mutual authentication operation is performed between the communication unit and the second node, performing the establishment of the third node The operation of the two connections.
  • the communications unit receives the direct communication request message sent by the second node. And sending a direct communication reply message to the second node; wherein, when the communication unit sends a direct communication reply message to the second node, or after performing the establishing of the third node The operation of the two connections.
  • the manner of performing data communication between the communication unit and the second node is specifically establishing a security layer 2 link with the second node;
  • the operation of establishing a second connection with the third node is performed when the communication unit establishes a link of the security layer 2 with the second node.
  • a seventh possible implementation manner of the third aspect of the embodiments of the present disclosure after the communication unit establishes the security layer 2 link with the second node, And an operation for assigning an IP address to the second node; wherein, when the communication unit allocates an IP address to the second node, the operation of establishing the second connection with the third node is performed. .
  • the eighth possible implementation manner of the third aspect of the embodiments after the communication unit establishes the security layer 2 link with the second node, And receiving, by the second node, data or a data request, where the communication unit receives the data or data request sent by the second node, or after performing the third node Establish the operation of the second connection.
  • the first possible implementation of the third aspect of the embodiment of the present invention The second possible implementation manner of the third aspect of the embodiment of the present invention, the third possible implementation manner of the third aspect of the embodiment of the present invention, and the fourth possible implementation manner of the third aspect of the embodiment of the present invention,
  • the eighth possible implementation manner of the third aspect of the embodiment in a ninth possible implementation manner of the third aspect of the embodiment, the method for establishing a second connection between the communication unit and the third node, At least one of: establishing an RRC connection with the third node; accessing the third node; performing an authentication process with the third node; establishing a public data network PDN or a close public data network ProSe a PDN to provide a service to the second node; establishing a radio
  • the first possible implementation manner of the third aspect of the embodiment of the present invention, the second possible implementation manner of the third aspect of the embodiment of the present invention, and the third aspect of the third embodiment of the present invention The third possible implementation manner of the third aspect of the embodiment of the present invention, the fifth possible implementation manner of the third aspect of the embodiment of the present invention, and the sixth aspect of the third aspect of the embodiment of the present invention.
  • the possible implementation manner, the seventh possible implementation manner of the third aspect of the embodiment of the present invention, the eighth possible implementation manner of the third aspect of the embodiment of the present invention, or the ninth possible aspect of the third aspect of the embodiment of the present invention In a tenth possible implementation manner of the third aspect, the communications unit and the third node are configured to send a second message to the third node.
  • the second message includes identification information of the second node.
  • the second connection is used by the third node
  • the communication service provided by the terminal includes at least one of the following: the third node forwards data of the second node to the local end; and the third node allocates the local end and the first node to the first node A resource for data communication between two nodes.
  • a fourth aspect of the embodiments of the present invention discloses a node, including:
  • a measuring unit configured to measure a signal quality of a link between the fourth node
  • Selecting a unit selecting a relay node from the at least one candidate node according to the signal quality
  • a communication unit configured to communicate with the selected relay node.
  • the node further includes:
  • a reporting unit configured to measure a signal quality of a link between the fourth node and the signal quality The quantity is reported to the fourth node
  • a receiving unit configured to receive a fifth message sent by the fourth node for the signal quality, where the fifth message is used to indicate that the second node is allowed to select a relay node.
  • the selecting unit is specifically used to The relay node is selected from the at least one candidate node when the signal quality satisfies the condition of the first event.
  • the node further includes:
  • a processing unit configured to maintain, when the signal quality meets the indication of the first event, connect with the fourth node according to the indication of the second event, or maintain communication with the fourth node, or disconnect The fourth node is connected, or the communication with the fourth node is disconnected, or the service network provided by the fourth node is exited.
  • the processing unit exits the fourth according to the indication of the second event
  • the manner of the service network provided by the node is specifically to initiate a detachment process to the fourth node according to the indication of the second event, or initiate an RRC connection release process to the fourth node, or control the local end to change from the connected state to the idle state, Exit the service network provided by the fourth node.
  • the selecting unit selects a relay node from the at least one candidate node when the signal quality meets the condition of the indication of the first event, specifically The second node selects a relay node from at least one candidate node when the signal quality is higher than a cell reselection threshold and lower than a first preset threshold; or, the signal quality is low And at the second preset threshold, and the signal quality of the link between the local end and the neighboring station is less than the third preset threshold, selecting a relay node from the at least one candidate node; or, if The signal quality of the inter-link is greater than the fourth preset threshold and is less than the fifth preset threshold, and the relay node is selected from the at least one candidate node.
  • the selecting unit selects a relay node from the at least one candidate node.
  • the method is specifically: prioritizing the communication frequency between the local end and the at least one candidate node according to a preset frequency priority, obtaining a first sorting result, and selecting the highest priority from the first sorting result.
  • the relay node acts as a relay node.
  • the selecting unit is configured to select a relay node from the at least one candidate node, Specifically, the signal quality between the second node and each of the at least one candidate node is measured; and the signal quality between the local end and each of the at least one candidate node is sorted and obtained. a second sorting result; selecting, as the relay node, a relay node having the highest signal quality from the second sorting result.
  • data communication is performed between the first node and the second node, where the data communication is used by the first node to provide a relay service for the second node; and in the first node and the A second connection is established between the first node and the third node when the data communication is performed between the second node, and the second connection is used by the third node to provide communication service for the first node .
  • the first node must be prioritized by the third node to establish the second connection, so that the first node can communicate with the second node, and the solution described in the embodiment of the present invention can be in the second node.
  • the connection with the third node is established, thereby saving the resources and energy of the first node, that is, the relay terminal.
  • FIG. 1 is a flowchart of a communication processing method according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of another communication processing method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of still another communication processing method disclosed in an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a node according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another node according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of still another node disclosed in an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
  • the embodiment of the invention discloses a communication processing method, a node and a terminal, which can save the energy and resources of the relay terminal.
  • the first node and the second node may be devices such as a notebook computer, a mobile phone, a tablet computer, an in-vehicle terminal, a multimedia device, a streaming media device, and a smart wearable device, wherein the first node has a second node.
  • the first node may forward the data to be sent by the second node to the network, and forward the data sent by the network to the second node to the second node, thereby implementing direct communication between the first node and the second node.
  • the third node may be a service site that is accessed by the first node, and the fourth node may be a service site that the second node is involved in.
  • the service site may be a network element device such as a base station.
  • FIG. 1 is a flowchart of a communication processing method according to an embodiment of the present invention.
  • a flow of a communication processing method is illustrated from a relay terminal side, and the method may include the following steps:
  • S101 Perform data communication between the first node and the second node, where the data communication is used by the first node to provide a relay service for the second node.
  • the data communication between the first node and the second node in step S101 may include: the first node receives a request message sent by the second node, where the request message is used to request a relay service, for example, the The request message is “I need a relay terminal”, so that the first node can trigger the first node to perform step S102 when the first node receives such a request message, that is, the first node establishes the first node with the third node.
  • the data communication between the first node and the second node in step S101 may be: the first node receives a request message sent by the second node, the request message is used to request a relay service; and then the first node sends a reply.
  • the data communication between the first node and the second node in step S101 may be: the first node broadcasts a reply message to other nodes, where the reply message is used to indicate that the first node can provide the relay service, The first node can be triggered to establish a connection with the third node.
  • the data communication between the first node and the second node in step S101 may be: the first node receives a direct communication request message sent by the second node, and the direct communication request The message is used to request to establish a connection between the first node and the second node, for example, establishing a device-to-device D2D layer 2 connection, or for requesting to establish a connection between the first node and the second node, or at the first node and Establishing the layer-2 link between the second nodes, or establishing a connection for One-to-One Communication, or establishing a device-to-device connection. Or establishing a device to device 2 connection (establishment of D2D layer-2link); when the first node receives the direct communication request message sent by the second node or after, triggering the first node to establish a relationship with the third node Two connections.
  • the first node may perform mutual authentication operation with the second node, and perform mutual mutual interaction between the first node and the second node. At the time of or after the authentication operation, the operation of establishing the second connection between the first node and the third node is performed.
  • the first node receives the direct communication request sent by the second node. After the information, a direct communication response message may be sent to the second node; wherein, when the first node sends a direct communication reply message to the second node, An operation of establishing a second connection between the first node and the third node.
  • the first node may also allocate an IP address to the second node after sending a direct communication reply message to the second node, and then establish a second connection with the third node.
  • the IP address may be an IPv4 address or a prefix of the IPv6 address, which is not limited in the embodiment of the present invention.
  • the first node after the first node sends the direct communication reply message to the second node, the first node performs a mutual authentication operation with the second node, where the mutual authentication operation is performed, A node receives an authentication request message of the second node, or the first node sends an authentication request message to the second node, or the first node receives an authentication reply message of the second node, or the first node sends an authentication reply. Transmitting a message to the second node; and performing, between the first node and the third node, the first node and the second node performing any one of the foregoing four actions Establish the operation of the second connection.
  • the data communication between the first node and the second node in step S101 may further include: establishing a security layer-2 link between the first node and the second node; And performing the operation of establishing the second connection between the first node and the third node when the first node establishes a security layer 2 link with the second node. Or the first node sends a direct communication reply message to the second node, establishes a security layer 2 link with the second node, and establishes a second connection with the third node.
  • the data or data request sent by the second node may also be received; when the first node receives the data or data request sent by the second node, or Thereafter, the operation of establishing a second connection with the third node is performed.
  • a second connection is established between the first node and the third node, and may include at least one of the following:
  • the first node accesses the third node
  • the first node performs an authentication process with the third node
  • the first node establishes a third node public data network PDN or a short-range public data network ProSe PDN to provide a service to the second node;
  • the first node establishes a radio bearer RB with the third node to provide service for the second node.
  • the communication service that the second connection is used by the third node for the first node includes at least one of the following: the third node forwards the second to the first node Data of the node; the third node allocates resources for the first node to perform data communication between the first node and the second node.
  • the resource for data communication between the first node and the second node may be a common resource allocated by the third node to the first node and the second node, for example, resources from the resource pool configuration.
  • the communication resource between the first node and the second node may be a dedicated D2D communication resource, such as a wireless relay resource, allocated from the third node.
  • data communication is performed between the first node and the second node, and the data communication is used by the first node to provide a relay service for the second node;
  • a second connection is established between the first node and the third node, and the second connection is used by the third node, when the data communication between the first node and the second node is performed.
  • the first node provides communication services.
  • the first node must be prioritized by the third node to establish the second connection, so that the first node can communicate with the second node, and the solution described in the embodiment of the present invention can be in the second node.
  • the connection with the third node is established, thereby saving the resources and energy of the first node, that is, the relay terminal.
  • FIG. 2 is a schematic flowchart diagram of another communication processing method according to an embodiment of the present invention.
  • the communication processing method is still described by a relay terminal side.
  • the communication processing method and FIG. 1 are In the communication processing method described in FIG. 2, after the first node establishes the second connection with the third node, the following steps may be further included:
  • the first node sends a second message to the third node, where the second message includes identifier information of the second node.
  • the second message may further include other information of the second node, for example, the address of the second node, the layer 2 of the second node, the service code of the second node, and the second node.
  • Context Context, or UE context
  • the third node can send data to be sent to the second node in the network to the first node, and the first node forwards the data to the second node; or, so that the third The node may send data of the second node forwarded by the first node to the network.
  • the first node sends a wireless relay resource request message to the third node.
  • the second node can also be to the fourth node, such as its serving site.
  • the wireless relay resource may be specifically used as a resource for D2D relay communication; or the resource may be used by the second node to send data or signaling to the first node, and / or for the second node to receive data or signaling from the first site.
  • the resource may be a dedicated resource or a public resource.
  • a dedicated resource refers to a resource that is specifically allocated to a first node, and a common resource may be a resource that the second node and other nodes can use.
  • the resource may be a dedicated resource or a common resource, where the resource configuration may include a resource pool configuration.
  • the resource pool configuration may be a sending resource pool configuration, or a receiving resource pool configuration, or the resource configuration may be wireless. Time-frequency resource configuration.
  • the resource configuration further includes at least one of the following: an indication of the first node, and an indication of the second node.
  • the first node receives the wireless relay resource allocated by the third node, and performs relay communication with the second node by using the wireless relay resource.
  • the first node releases the wireless relay resource when detecting that the relay communication with the second node is completed.
  • data communication is performed between a first node and a second node, the data communication is used by the first node to provide a relay service for the second node; a second connection is established between the first node and the third node when the data communication between the node and the second node is performed, and the second connection is used for the third node
  • a node provides communication services, saving energy and resources of the first node.
  • the first node sends the second message to the third node, and the second message includes the identifier information of the second node, so that the first node obtains the data of the second node from the network in time, or forwards the data to the network.
  • the first node may release the wireless relay resource when completing the relay communication with the second node, further saving energy and communication resources of the first node and the third node.
  • FIG. 3 is a schematic flowchart of another communication processing method according to an embodiment of the present invention.
  • the communication processing method described in FIG. 3 is described by a remote terminal, that is, a second node side.
  • the communication processing method includes the following steps:
  • the second node measures a signal quality of a link between the second node and the fourth node.
  • the second node selects a relay node from the at least one candidate node according to the signal quality.
  • the selecting, by the second node, the relay node from the at least one candidate node according to the signal quality may include: when the signal quality satisfies the condition of the first event, the second node is from at least one A relay node is selected among the candidate nodes.
  • the second node selects a relay node from the at least one candidate node, which may be specifically: when the signal quality is high.
  • the second node selects a relay node from the at least one candidate node;
  • the second node selects a relay node from the at least one candidate node, which may be specifically: when the signal quality When the signal quality of the link between the second node and the neighboring station is lower than the third preset threshold, the second node selects a relay from the at least one candidate node. node;
  • the second node selects a relay node from the at least one candidate node, which may be specifically: if the second The signal quality of the link between the node and the neighboring site is greater than a fourth preset threshold and less than a fifth preset threshold, and the second node selects a relay node from the at least one candidate node.
  • the method for the second node to select the relay node from the at least one candidate node may include: the second node according to the preset frequency priority pair The communication frequency between the second node and the at least one candidate node is prioritized to obtain a first sorting result; the second node selects the candidate node with the highest priority from the first sorting result as the middle Following the node.
  • the second node selects a relay node from the at least one candidate node, and specifically, the second node measures each candidate node in the second node and the at least one candidate node. Signal quality between the two nodes; the second node sorts the signal quality between the second node and each of the at least one candidate node to obtain a second ranking result; the second node The candidate node with the highest signal quality is selected as the relay node in the second sort result.
  • the second node selects a relay node from the at least one candidate node, and may include The second node prioritizes the communication frequency between the second node and the at least one candidate node according to a preset frequency priority, to obtain a first sorting result; according to each frequency (for example, the first priority) a candidate node of the frequency, the second node measures a signal quality between the second node and each of the at least one candidate node; the second node pairs the second node and the at least one candidate The signal quality between each candidate node in the node is sorted to obtain a second sorting result; when the signal quality between the second node and the candidate node is greater than the threshold A, the best quality is selected according to the second sorting result.
  • a preset frequency priority for example, the first priority
  • the node acts as a relay node; when the signal quality between the second node and the candidate node is greater than the threshold A, the first sorting result is performed, and the node having the high frequency priority and satisfying the threshold A condition is selected. On the basis of this, combined with the second sorting result, the node with good signal quality acts as a relay node.
  • the second node communicates with the selected relay node.
  • the second node communicates with the selected relay node, which may be specifically: transmitting data and the like.
  • the second node measures the signal quality of the link between the second node and the fourth node; the second node is from the at least one candidate node according to the signal quality.
  • the relay node is selected; the second node communicates with the selected relay node, thereby solving the problem that the second node, such as the remote terminal, selects the relay node for relay communication.
  • FIG. 4 is a schematic flowchart of still another communication processing method according to an embodiment of the present invention.
  • the communication processing method is still described by a second node, such as a remote terminal side, where FIG. 4 is used.
  • the communication processing method and the communication processing method shown in FIG. 3 are further optimized. Specifically, the communication processing method shown in FIG. 4 may include the following steps:
  • the second node measures a signal quality of a link between the second node and the fourth node.
  • the second node reports the signal quality to the fourth node.
  • the second node receives a fifth message that is sent by the fourth node for the signal quality, where the fifth message is used to indicate that the second node is allowed to select a relay node.
  • the second node selects a relay node from the at least one candidate node.
  • the second node processes a connection with the fourth node according to the indication of the second event.
  • the second node processes the connection with the fourth node according to the indication of the second event, and specifically, the second node maintains communication with the fourth node according to the indication of the second event, Alternatively, disconnecting from the fourth node, or disconnecting communication with the fourth node, or exiting the service network provided by the fourth node.
  • the second node exits the service network provided by the fourth node according to the indication of the second event, and the second node initiates a detach process to the fourth node according to the indication of the second event, or to the fourth node. Initiating an RRC connection release procedure, or controlling the second node to change from a connected state to an idle state to exit the service network provided by the fourth node.
  • the second node maintains communication with the fourth node when or after selecting the target relay node from the at least one relay node.
  • the second node exits the service network provided by the service station of the second node when the target node is selected from the at least one relay node according to the signal quality.
  • the second node maintains communication with the fourth node according to a second event condition.
  • the second node exits the service network provided by the service station of the second node according to the condition of the third event.
  • the second event may be the second event A
  • the second event A may be one of the following: the signal quality is higher than the threshold C, and the connection with the fourth node is maintained; The signal quality is lower than the threshold X1 and higher than the threshold Y2, maintaining a connection with the fourth node; wherein the maintaining the connection with the fourth node may also be represented as maintaining the fourth node Communication.
  • the second event may be the second event B, and the second event B may be one of the following: when the signal quality is lower than the threshold E, disconnecting from the fourth node; or The signal quality is lower than a threshold X2 and higher than a threshold Y2, and is disconnected from the fourth node; wherein the disconnecting from the fourth node may also be expressed as maintaining the Four-node communication wherein the fourth node is a service site of the second node.
  • the second node communicates with the selected relay node.
  • the second node communicates with the selected relay node, which may be specifically: transmitting data and the like.
  • the second node may report the signal to the fourth node, that is, the service station of the second node; Receiving, by the fourth node, a fifth message for the signal quality indicating that the second node is allowed to select a relay node, the second node is from the at least one candidate node according to the signal quality Selecting a relay node; the second node communicating with the selected relay node, thereby The problem that the second node, such as the remote terminal, selects the relay node for relay communication is solved.
  • FIG. 5 is a schematic structural diagram of a node 400 according to an embodiment of the present invention.
  • the node may include a communication unit 410, where the communication unit 410 is configured to perform data communication with the second node, where the data communication is used. Providing a relay service for the second node; the communication unit is further configured to establish a second connection with the third node, or the second connection, during or after data communication with the second node.
  • the third node is configured to provide a communication service for the first node.
  • a manner of performing data communication between the communication unit 410 and the second node is specifically, receiving a request message sent by the second node, where the request message is used to request a relay service, and the communication unit receives the second message.
  • the operation of establishing the second connection between the first node and the third node is performed when or after the request message sent by the node.
  • the communication unit 410 after receiving the request message sent by the second node, may be further configured to send a reply message to the second node, where the reply message is used to indicate that the first node can provide a relay service;
  • the communication unit 410 sends a reply message to the second node or after, the operation of establishing the second connection with the third node is performed.
  • a manner of performing data communication between the communication unit 410 and the second node is specifically, receiving a direct communication request message sent by the second node, where the direct communication request message is used to request to establish the first node and the second node.
  • the connection of the node for example, establishing a device-to-device D2D layer 2 connection, establishing an establishment of the secure layer-2 link, establishing an establishment of the layer-2 link, or establishing 1 Establishing a connection for One-to-One Communication, or establishing a device-to-device connection, or establishing a device-to-device layer 2 connection; the communication unit 410 receives the first
  • the operation of establishing a second connection with the third node is performed at or after the direct communication request message sent by the two nodes.
  • the communication unit 410 may also be configured to perform a mutual authentication operation with the second node; and the communication unit 410 performs execution with the second node. At or after the mutual authentication operation, the operation of establishing a second connection with the third node is performed.
  • the communication unit 410 is further configured to send a direct communication reply message to the second node; the communication unit 410 When the direct communication reply message is sent to the second node or after, the operation of establishing a second connection with the third node is performed.
  • the manner of performing data communication between the communication unit 410 and the second node may also specifically establish a security layer 2 link with the second node; the communication unit 410 establishes a security layer 2 link with the second node. At or after time, the operation of establishing a second connection with the third node is performed.
  • the communication unit 410 is further configured to allocate an IP address to the second node, where the communication unit allocates the second node. At or after the IP address, the operation of establishing a second connection with the third node is performed.
  • the communication unit 410 may also be configured to receive data or data requests sent by the second node; the communication unit 410 receives the second The operation of establishing a second connection with the third node is performed at or after the data or data request sent by the node.
  • a manner of establishing a second connection between the communication unit 410 and the third node is specifically: at least one of the following: establishing an RRC connection with the third node; accessing the third node; Performing an authentication process with the third node by a node; establishing a public data network PDN or a close public data network ProSe PDN with the third node to provide services to the second node; establishing wireless with the third node
  • the bearer RB provides a service for the second node.
  • the second message is sent to the third node, and the second message includes the identifier information of the second node.
  • the communication service provided by the second connection for the third node is the at least one of the following: the third node forwards data of the second node to the local end; The node allocates resources for the local end to perform data communication with the second node.
  • the communication unit may perform data communication with the second node, the data communication for the first node to provide a relay service for the second node; and with the second node At or after data communication, a second connection is established between the communication unit and the third node, and the second connection is used by the third node to provide communication service for the first node, saving energy of the node and Resources.
  • the communication unit sends the second message to the third node, where the second message includes the identifier information of the second node, so that the local end obtains the data of the second node from the network in time, or
  • the network is sent to the network; and when the relay communication with the second node is completed, the wireless relay resource is released, and the energy and communication resources of the local end and the third node are further saved.
  • FIG. 6 is a schematic structural diagram of another node according to an embodiment of the present invention.
  • the node 500a shown in FIG. 6 may include the following elements:
  • a measuring unit 510 configured to measure a signal quality of a link between the fourth node
  • the selecting unit 520 is configured to select a relay node from the at least one candidate node according to the signal quality
  • the communication unit 530 is configured to communicate with the relay node selected by the selection unit 520.
  • the selecting unit 520 is specifically configured to select a relay node from the at least one candidate node when the signal quality satisfies the condition of the first event.
  • the selecting unit selecting, by the selecting unit, a manner of selecting a relay node from the at least one candidate node when the signal quality satisfies the condition of the indication of the first event, specifically, where the signal quality is higher than a cell reselection threshold and lower than
  • the second node selects a relay node from at least one candidate node; or, when the signal quality is lower than a second preset threshold, and between the local end and the neighboring station
  • the relay node is selected from the at least one candidate node; or if the signal quality of the link with the neighboring site is greater than the fourth preset threshold and less than the first Five preset thresholds, selecting a relay node from at least one candidate node.
  • the selecting unit 520 selects a relay node from the at least one candidate node, specifically: prioritizing the communication frequency between the local end and the at least one candidate node according to the preset frequency priority. Sorting the ranks to obtain a first sorting result; selecting a candidate node with the highest priority from the first sorting result as a relay node.
  • the selecting unit 520 selects a manner of the relay node from the at least one candidate node, specifically: measuring between the second node and each of the at least one candidate node. Signal quality; sorting the signal quality between the local end and each of the at least one candidate node to obtain a second sorting result; selecting the candidate node with the highest signal quality as the relay node from the second sorting result .
  • FIG. 7 is a schematic structural diagram of still another node disclosed in the embodiment of the present invention.
  • the node 500b shown in FIG. 7 is further optimized by the node shown in FIG.
  • the node shown in FIG. 7 may include the following units in addition to the unit shown in FIG. 6:
  • the reporting unit 540 is configured to measure the signal quality of the link between the fourth node and the signal The quality of the number is reported to the fourth node;
  • the receiving unit 550 is configured to receive a fifth message that is sent by the fourth node for the signal quality, where the fifth message is used to indicate that the local end is allowed to select the relay node.
  • the node shown in FIG. 7 may further include the following units:
  • the processing unit 560 is configured to: when the signal quality meets the indication of the first event, keep connected with the fourth node according to the indication of the second event, or maintain communication with the fourth node, or disconnect The fourth node is connected, or disconnects from the fourth node, or exits the service network provided by the fourth node.
  • the manner in which the processing unit 560 exits the service network provided by the fourth node according to the indication of the second event specifically, initiates a detach process to the fourth node according to the indication of the second event, or initiates an RRC connection to the fourth node.
  • the release process, or the control local end changes from the connected state to the idle state to exit the service network provided by the fourth node.
  • the measuring unit may measure the signal quality of the link between the local end and the fourth node, and the selecting unit selects the relay node from the at least one candidate node according to the signal quality;
  • the communication unit communicates with the selected relay node, thereby solving the problem of the second node, such as the remote terminal, when to select the relay node for relay communication. Further, in the node shown in FIG.
  • the reporting unit may report the signal quality to the fourth node; and when the receiving unit receives the fourth node that is configured to allow the local terminal to select the relay node for the signal quality In the case of five messages, the communication unit communicates with the selected relay node to solve the problem of the second node, such as the remote terminal, when to select the relay node for relay communication.
  • FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the terminal 600a includes a processor 610, a memory 620, a communication bus 640, and a communication interface 630.
  • the communication bus 640 is used. Implement a communication connection between these components.
  • the communication interface 630 can be a display screen, a mouse, an antenna, or the like.
  • the memory 620 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.
  • the memory 620 can optionally also be at least one storage device located remotely from the aforementioned processor 610.
  • a set of program codes is stored in the memory 620, and the processor 610 calls the program code stored in the memory 620 for performing the following operations:
  • the node provides a relay service; a second connection is established between the processor 610 and the third node at or after data communication between the processor 610 and the second node, the second connection being used for The third node provides communication services for the terminal 600a.
  • the processor 610 calls the program code in the memory 620 to perform data communication with the second node, and may specifically receive the request message sent by the second node, where the request message is used to request the relay service; The processor 610 performs the operation of establishing a second connection with the third node at or after receiving the request message sent by the second node.
  • the processor 610 calls the program code in the memory 620, and after receiving the request message sent by the second node, the following operations may also be performed:
  • the operation of establishing the second connection with the third node is performed when the first node sends a reply message to the second node or after.
  • the processor 610 calls the program code in the memory 620 to perform data communication with the second node, which may be specifically:
  • the operation of establishing the second connection between the first node and the third node is performed when the processor 610 receives the direct communication request message sent by the second node.
  • the processor 610 calls the program code in the memory 620. After receiving the direct communication request message sent by the second node, the first node may also perform the following operations:
  • the operation of establishing a second connection with the third node is performed at or after the mutual authentication operation is performed between the processor 610 and the second node.
  • the processor 610 calls the program code in the memory 620. After receiving the direct communication request message sent by the second node, the first node may also perform the following operations:
  • the operation of establishing a second connection with the third node is performed when the processor 610 sends a direct communication reply message to the second node.
  • the processor 610 calls the program code in the memory 620, and the second node. Data communication between them can be specifically as follows:
  • the operation of establishing the second connection with the third node is performed when the processor 610 establishes the security layer 2 link with the second node.
  • the processor 610 calls the program code in the memory 620, and after establishing the security layer 2 link with the second node, the following operations may also be performed:
  • the processor 610 performs the operation of establishing a second connection with the third node at or after the IP address is allocated to the second node.
  • the processor 610 calls the program code in the memory 620, and after establishing the security layer 2 link with the second node, the following operations may also be performed:
  • the processor 610 performs the operation of establishing a second connection with the third node at or after receiving the data or data request sent by the second node.
  • the processor 610 calls the program code in the memory 620 to establish a second connection with the third node, and may perform at least one of the following: establishing an RRC connection with the third node; accessing the a third node; performing an authentication process with the third node; establishing a third node public data network PDN or a short-range public data network ProSe PDN to provide services to the second node; establishing and third The node radio bearer RB provides service for the second node.
  • the processor 610 calls the program code in the memory 620, and after establishing a second connection with the third node, the following operations may also be performed:
  • the communication service that the second connection is used by the third node for the first node includes at least one of the following: the third node forwards data of the second node to the terminal 600a.
  • the third node allocates resources for the terminal 600a to perform data communication with the second node for the terminal 600a.
  • FIG. 9 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the terminal 600b may include a processor 710, a memory 720, a communication bus 740, and a communication interface 730.
  • the communication bus 740 Used to implement communication connections between these components.
  • the communication interface 730 can Think of the display, mouse, antenna, etc.
  • the memory 720 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.
  • the memory 720 can optionally also be at least one storage device located remotely from the aforementioned processor 710.
  • a set of program code is stored in the memory 720, and the processor 710 calls the program code stored in the memory 720 for performing the following operations:
  • the following operations may also be performed:
  • the fifth message is used to indicate that the terminal 600b is allowed to select a relay node.
  • the processor 710 calls the program code in the memory 720, and the second node selects the relay node from the at least one candidate node according to the signal quality, which may be specifically that the signal quality satisfies the first event. In the condition, the second node selects a relay node from at least one candidate node.
  • the processor 710 calls the program code in the memory 720, and can also perform the following operations:
  • the processor 710 calls the program code in the memory 720, and exits the service network provided by the fourth node according to the indication of the second event, and may specifically initiate to the fourth node according to the indication of the second event.
  • the attach procedure, or initiates an RRC connection release procedure to the fourth node, or the control terminal 600b changes from the connected state to the idle state to exit the service network provided by the fourth node.
  • the processor 710 calls the program code in the memory 720 when the signal When the quality satisfies the condition of the indication of the first event, the relay node is selected from the at least one candidate node, which may be specifically:
  • the relay node is selected from the at least one candidate node.
  • the processor 710 calls the program code in the memory 720 to select a relay node from the at least one candidate node, which may be specifically:
  • the processor 710 calls the program code in the memory 720 to select a relay node from the at least one candidate node, which may be specifically:
  • All or part of the steps in the method may be completed by a program to instruct related hardware, and the program may be stored in a computer readable storage medium, and the storage medium may include: a flash disk, a read only memory (Read-Only Memory, ROM) ), random access memory (RAM), disk or optical disc.
  • ROM read only memory
  • RAM random access memory

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Abstract

一种通信处理方法、节点及终端,其中,第一节点与第二节点之间进行数据通信,该数据通信用于所述第一节点为所述第二节点提供中继服务;并在所述第一节点与所述第二节点之间进行数据通信的时候或者之后,所述第一节点与第三节点之间建立第二连接,所述第二连接用于所述第三节点为所述第一节点提供通信服务。与现有技术中,第一节点必须优先于第三节点建立第二连接之后,才能使得第一节点与第二节点通信相比,本发明实施例所述的方案均可以在与第二节点之间进行数据通信之后,再建立与第三节点的连接,从而节约了第一节点即中继终端的资源和能量。

Description

一种通信处理方法、节点及终端 技术领域
本发明涉及通信技术领域,尤其涉及一种通信处理方法、节点及终端。
背景技术
目前,蜂窝通信技术中,用户终端可以通过空中接口与基站进行通信,对上行和下行数据进行处理,为了减少网络转发的延时,在一些应用场景,用户终端之间可以互相直接通信,即设备对设备(Device-to-Device,D2D)通信技术,不需要经过基站传输,例如公共安全场景,火警组员所携带的终端之间的通信,此外,还可以引入中继终端为其他终端提供网络服务,可称为基于中继的D2D通信技术,即将终端A的上行数据通过终端B转发给基站,或者将网络发送给终端A的下行数据由终端B转发给终端A,其中,终端B即为中继终端。
然而在实践中发现,目前的D2D通信技术中,中继终端必须处理与基站的连接状态,才能与其他终端进行D2D中继通信过程,从而导致中继终端的能量和资源的浪费。
发明内容
本发明实施例公开了一种通信处理方法、节点及终端,能够节约中继终端的能量和资源。
本发明实施例第一方面公开了一种通信处理方法,包括:
第一节点与第二节点之间进行数据通信,所述数据通信用于所述第一节点为所述第二节点提供中继服务;
在所述第一节点与所述第二节点之间进行数据通信的时候或者之后,所述第一节点与第三节点之间建立第二连接,所述第二连接用于所述第三节点为所述第一节点提供通信服务。
在本发明实施例第一方面的第一种可能的实现方式中,第一节点与第二节点之间进行数据通信,包括:
所述第一节点接收第二节点发送的请求消息,所述请求消息用于请求中继 服务;
其中,所述第一节点接收所述第二节点发送的请求消息的时候或之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
结合本发明实施例第一方面的第一种可能的实现方式,在本发明实施例第一方面的第二种可能的实现方式中,所述第一节点接收所述第二节点发送的请求消息之后,所述方法还包括:
所述第一节点发送回复消息给所述第二节点,所述回复消息用于指示所述第一节点能够提供中继服务;
其中,所述第一节点发送回复消息给第二节点的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
在本发明实施例第一方面的第三种可能的实现方式中,第一节点与第二节点之间进行数据通信,包括:
第一节点接收第二节点发送的直接通信请求消息,所述直接通信请求消息用于请求建立第一节点与第二节点的连接;
其中,所述第一节点接收第二节点发送的直接通信请求消息的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
结合本发明实施例第一方面的第三种可能的实现方式,在本发明实施例第一方面的第四种可能的实现方式中,所述第一节点接收第二节点发送的直接通信请求消息之后,所述方法还包括:
所述第一节点与第二节点之间执行相互鉴权操作;
其中,所述第一节点与第二节点之间执行相互鉴权操作的时候或之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
结合本发明实施例第一方面的第三种可能的实现方式,在本发明实施例第一方面的第五种可能的实现方式中,所述第一节点接收第二节点发送的直接通信请求消息之后,所述方法还包括:
所述第一节点发送直接通信回复消息给所述第二节点;
其中,所述第一节点发送直接通信回复消息给所述第二节点的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
在本发明实施例第一方面的第六种可能的实现方式中,第一节点与第二节点之间进行数据通信,包括:
第一节点与第二节点建立安全层2链路;
其中,所述第一节点与第二节点建立安全层2链路的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
结合本发明实施例第一方面的第六种可能的实现方式,在本发明实施例第一方面的第七种可能的实现方式中,所述第一节点与第二节点建立安全层2链路之后,所述方法还包括:
所述第一节点为所述第二节点分配IP地址;
其中,所述第一节点为所述第二节点分配IP地址的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
结合本发明实施例第一方面的第七种可能的实现方式,在本发明实施例第一方面的第八种可能的实现方式中,所述第一节点与第二节点建立安全层2链路之后,所述方法还包括:
所述第一节点接收所述第二节点发送的数据或者数据请求;
其中,所述第一节点接收所述第二节点发送的数据或者数据请求的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
结合本发明实施例第一方面、本发明实施例第一方面的第一种可能的实现方式、本发明实施例第一方面的第二种可能的实现方式、本发明实施例第一方面的第三种可能的实现方式、本发明实施例第一方面的第四种可能的实现方式、本发明实施例第一方面的第五种可能的实现方式、本发明实施例第一方面的第六种可能的实现方式、本发明实施例第一方面的第七种可能的实现方式或本发明实施例第一方面的第八种可能的实现方式,在本发明实施例第一方面的第九种可能的实现方式中,所述第一节点与第三节点之间建立第二连接,包括以下至少一项:
所述第一节点与第三节点之间建立无线资源控制RRC连接;
所述第一节点接入所述第三节点;
所述第一节点执行与所述第三节点之间的鉴权过程;
所述第一节点建立与第三节点公共数据网络PDN或近距离公共数据网络ProSe PDN,以向所述第二节点提供服务;
所述第一节点建立与第三节点无线承载RB为所述第二节点提供服务。
结合本发明实施例第一方面、本发明实施例第一方面的第一种可能的实现 方式、本发明实施例第一方面的第二种可能的实现方式、本发明实施例第一方面的第三种可能的实现方式、本发明实施例第一方面的第四种可能的实现方式、本发明实施例第一方面的第五种可能的实现方式、本发明实施例第一方面的第六种可能的实现方式、本发明实施例第一方面的第七种可能的实现方式、本发明实施例第一方面的第八种可能的实现方式或本发明实施例第一方面的第九种可能的实现方式,在本发明实施例第一方面的第十种可能的实现方式中,所述第一节点与第三节点之间建立第二连接之后,所述方法还包括:
所述第一节点发送第二消息给所述第三节点,所述第二消息包括第二节点的标识信息。
结合本发明实施例第一方面的第十种可能的实现方式,在本发明实施例第一方面的第十一种可能的实现方式中,所述第二连接用于所述第三节点为所述第一节点提供的通信服务包括以下至少一项:所述第三节点向所述第一节点转发所述第二节点的数据;所述第三节点为所述第一节点分配所述第一节点与所述第二节点进行数据通信的资源。
本发明实施例第二方面公开一种通信处理方法,包括:
第二节点测量所述第二节点与第四节点之间链路的信号质量;
所述第二节点根据所述信号质量,从至少一个候选节点中选择中继节点;
所述第二节点与所述选择的中继节点进行通信。
在本发明实施例第二方面的第一种可能的实现方式中,所述第二节点测量所述第二节点与第四节点之间链路的信号质量之后,所述方法还包括:
所述第二节点将所述信号质量上报给所述第四节点;
所述第二节点接收所述第四节点针对所述信号质量发送的第五消息,所述第五消息用于指示允许所述第二节点选择中继节点。
结合本发明实施例第二方面或本发明实施例第二方面的第一种可能的实现方式,在本发明实施例第二方面的第二种可能的实现方式中,所述第二节点根据所述信号质量,从至少一个候选节点中选择中继节点,包括:
当所述信号质量满足第一事件的条件时,所述第二节点从至少一个候选节点中选择中继节点。
结合本发明实施例第二方面的第二种可能的实现方式,在本发明实施例第二方面的第三种可能的实现方式中,所述方法还包括:
当所述信号质量满足第一事件的指示时,所述第二节点根据第二事件的指示保持与所述第四节点连接,或保持与所述第四节点的通信,或者,断开与所述第四节点连接,或者,断开与所述第四节点的通信,或者,退出所述第四节点所提供的服务网络。
结合本发明实施例第二方面的第三种可能的实现方式,在本发明实施例第二方面的第四种可能的实现方式中,所述第二节点根据第二事件的指示退出所述第四节点所提供的服务网络,包括:
所述第二节点根据第二事件的指示向第四节点发起去附着过程,或者向第四节点发起RRC连接释放过程,或者控制所述第二节点由连接态变为空闲态,以退出所述第四节点所提供的服务网络。
结合本发明实施例第二方面的第二种可能的实现方式、本发明实施例第二方面的第三种可能的实现方式或本发明实施例第二方面的第四种可能的实现方式,在本发明实施例第二方面的第五种可能的实现方式中,所述当所述信号质量满足第一事件的指示的条件时,所述第二节点从至少一个候选节点中选择中继节点,包括:
当所述信号质量高于小区重选门限值且低于第一预设门限值时,所述第二节点从至少一个候选节点中选择中继节点;
或者,
当所述信号质量低于第二预设门限值,且所述第二节点与邻居站点之间链路的信号质量小于第三预设门限值时,所述第二节点从至少一个候选节点中选择中继节点;
或者,
若所述第二节点与邻居站点之间链路的信号质量大于第四预设门限值且小于第五预设门限值,所述第二节点从至少一个候选节点中选择中继节点。
结合本发明实施例第二方面的第二种可能的实现方式、本发明实施例第二方面的第三种可能的实现方式、本发明实施例第二方面的第四种可能的实现方式或本发明实施例第二方面的第五种可能的实现方式,在本发明实施例第二方面的第六种可能的实现方式中,所述第二节点从至少一个候选节点中选择中继节点,包括:
所述第二节点根据预设频率优先级对所述第二节点与所述至少一个候选 节点之间的通信频率进行优先级排序,获得第一排序结果;
所述第二节点从所述第一排序结果中选择优先级最高的中继节点作为中继节点。
结合本发明实施例第二方面的第二种可能的实现方式、本发明实施例第二方面的第三种可能的实现方式、本发明实施例第二方面的第四种可能的实现方式或本发明实施例第二方面的第五种可能的实现方式,在本发明实施例第二方面的第七种可能的实现方式中,所述第二节点从至少一个候选节点中选择中继节点,包括:
所述第二节点测量所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量;
所述第二节点对所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量进行排序,获得第二排序结果;
所述第二节点从所述第二排序结果中选择信号质量最高的中继节点作为中继节点。
本发明实施例第三方面公开了一种节点,包括:
通信单元,用于与第二节点之间进行数据通信,所述数据通信用于为所述第二节点提供中继服务;
所述通信单元还用于在与所述第二节点之间进行数据通信的时候或者之后,与第三节点之间建立第二连接,所述第二连接用于所述第三节点为本端提供通信服务。
在本发明实施例第三方面的第一种可能的实现方式中,所述通信单元与第二节点之间进行数据通信的方式,具体为接收第二节点发送的请求消息,所述请求消息用于请求中继服务;
其中,所述通信单元接收所述第二节点发送的请求消息的时候或之后,执行所述的与第三节点之间建立第二连接的操作。
结合本发明实施例第三方面的第一种可能的实现方式,在本发明实施例第三方面的第二种可能的实现方式中,所述通信单元接收所述第二节点发送的请求消息之后,还用于发送回复消息给所述第二节点,所述回复消息用于指示所述第一节点能够提供中继服务;其中,所述通信单元发送回复消息给第二节点的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
在本发明实施例第三方面的第三种可能的实现方式中,所述通信单元与第二节点之间进行数据通信的方式,具体为接收第二节点发送的直接通信请求消息,所述直接通信请求消息用于请求建立第一节点与第二节点的连接;
其中,所述通信单元接收第二节点发送的直接通信请求消息的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
结合本发明实施例第三方面的第三种可能的实现方式,在本发明实施例第三方面的第四种可能的实现方式中,所述通信单元接收第二节点发送的直接通信请求消息之后,还用于与第二节点之间执行相互鉴权操作;其中,所述通信单元与第二节点之间执行相互鉴权操作的时候或之后,执行所述的与第三节点之间建立第二连接的操作。
结合本发明实施例第三方面的第三种可能的实现方式,在本发明实施例第三方面的第五种可能的实现方式中,所述通信单元接收第二节点发送的直接通信请求消息之后,还用于发送直接通信回复消息给所述第二节点;其中,所述通信单元发送直接通信回复消息给所述第二节点的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
在本发明实施例第三方面的第六种可能的实现方式中,所述通信单元与第二节点之间进行数据通信的方式,具体为与第二节点建立安全层2链路;
其中,所述通信单元与第二节点建立安全层2链路的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
结合本发明实施例第三方面的第六种可能的实现方式,在本发明实施例第三方面的第七种可能的实现方式中,所述通信单元与第二节点建立安全层2链路之后,还用于为所述第二节点分配IP地址;其中,所述通信单元为所述第二节点分配IP地址的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
结合本发明实施例第三方面的第七种可能的实现方式,在本发明实施例第三方面的第八种可能的实现方式中,所述通信单元与第二节点建立安全层2链路之后,还用于接收所述第二节点发送的数据或者数据请求;其中,所述通信单元接收所述第二节点发送的数据或者数据请求的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
结合本发明实施例第三方面、本发明实施例第三方面的第一种可能的实现 方式、本发明实施例第三方面的第二种可能的实现方式、本发明实施例第三方面的第三种可能的实现方式、本发明实施例第三方面的第四种可能的实现方式、本发明实施例第三方面的第五种可能的实现方式、本发明实施例第三方面的第六种可能的实现方式、本发明实施例第三方面的第七种可能的实现方式或本发明实施例第三方面的第八种可能的实现方式,在本发明实施例第三方面的第九种可能的实现方式中,所述通信单元与第三节点之间建立第二连接的方式,具体为以下至少一项:与第三节点之间建立RRC连接;接入所述第三节点;执行与所述第三节点之间的鉴权过程;建立公共数据网络PDN或近距离公共数据网络ProSe PDN,以向所述第二节点提供服务;建立无线承载RB为所述第二节点提供服务。
结合本发明实施例第三方面、本发明实施例第三方面的第一种可能的实现方式、本发明实施例第三方面的第二种可能的实现方式、本发明实施例第三方面的第三种可能的实现方式、本发明实施例第三方面的第四种可能的实现方式、本发明实施例第三方面的第五种可能的实现方式、本发明实施例第三方面的第六种可能的实现方式、本发明实施例第三方面的第七种可能的实现方式、本发明实施例第三方面的第八种可能的实现方式或本发明实施例第三方面的第九种可能的实现方式,在本发明实施例第三方面的第十种可能的实现方式中,所述通信单元与第三节点之间建立第二连接之后,还用于发送第二消息给所述第三节点,所述第二消息包括第二节点的标识信息。
结合本发明实施例第三方面的第十种可能的实现方式,在本发明实施例第三方面的第十一种可能的实现方式中,所述第二连接用于所述第三节点为本端提供的通信服务包括以下至少一项:所述第三节点向所述本端转发所述第二节点的数据;所述第三节点为所述第一节点分配所述本端与所述第二节点进行数据通信的资源。
本发明实施例第四方面公开了一种节点,包括:
测量单元,用于测量与第四节点之间链路的信号质量;
选择单元,根据所述信号质量,从至少一个候选节点中选择中继节点;
通信单元,用于与所述选择的中继节点进行通信。
在本发明实施例第四方面的第一种可能的实现方式中,所述节点还包括:
上报单元,用于测量与第四节点之间链路的信号质量之后,将所述信号质 量上报给所述第四节点;
接收单元,用于接收所述第四节点针对所述信号质量发送的第五消息,所述第五消息用于指示允许所述第二节点选择中继节点。
结合本发明实施例第四方面或本发明实施例第四方面的第一种可能的实现方式,在本发明实施例第四方面的第二种可能的实现方式中,所述选择单元具体用于在所述信号质量满足第一事件的条件时,从至少一个候选节点中选择中继节点。
结合本发明实施例第四方面的第二种可能的实现方式,在本发明实施例第四方面的第三种可能的实现方式中,所述节点还包括:
处理单元,用于在所述信号质量满足第一事件的指示时,根据第二事件的指示保持与所述第四节点连接,或保持与所述第四节点的通信,或者,断开与所述第四节点连接,或者,断开与所述第四节点的通信,或者,退出所述第四节点所提供的服务网络。
结合本发明实施例第四方面的第三种可能的实现方式,在本发明实施例第四方面的第四种可能的实现方式中,所述处理单元根据第二事件的指示退出所述第四节点所提供的服务网络的方式,具体为根据第二事件的指示向第四节点发起去附着过程,或者向第四节点发起RRC连接释放过程,或者控制本端由连接态变为空闲态,以退出所述第四节点所提供的服务网络。
结合本发明实施例第四方面的第二种可能的实现方式、本发明实施例第四方面的第三种可能的实现方式或本发明实施例第四方面的第四种可能的实现方式,在本发明实施例第四方面的第五种可能的实现方式中,所述选择单元在所述信号质量满足第一事件的指示的条件时,从至少一个候选节点中选择中继节点的方式,具体为在所述信号质量高于小区重选门限值且低于第一预设门限值时,所述第二节点从至少一个候选节点中选择中继节点;或者,在所述信号质量低于第二预设门限值,且本端与邻居站点之间链路的信号质量小于第三预设门限值时,从至少一个候选节点中选择中继节点;或者,若与邻居站点之间链路的信号质量大于第四预设门限值且小于第五预设门限值,从至少一个候选节点中选择中继节点。
结合本发明实施例第四方面的第二种可能的实现方式、本发明实施例第四方面的第三种可能的实现方式、本发明实施例第四方面的第四种可能的实现方 式或本发明实施例第四方面的第五种可能的实现方式,在本发明实施例第四方面的第六种可能的实现方式中,所述选择单元从至少一个候选节点中选择中继节点的方式,具体为:根据预设频率优先级对本端与所述至少一个候选节点之间的通信频率进行优先级排序,获得第一排序结果;从所述第一排序结果中选择优先级最高的中继节点作为中继节点。
结合本发明实施例第四方面的第二种可能的实现方式、本发明实施例第四方面的第三种可能的实现方式、本发明实施例第四方面的第四种可能的实现方式或本发明实施例第四方面的第五种可能的实现方式,在本发明实施例第四方面的第七种可能的实现方式中,所述选择单元从至少一个候选节点中选择中继节点的方式,具体为:测量所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量;对本端与所述至少一个候选节点中每个候选节点之间的信号质量进行排序,获得第二排序结果;从所述第二排序结果中选择信号质量最高的中继节点作为中继节点。
本发明实施例中,第一节点与第二节点之间进行数据通信,该数据通信用于所述第一节点为所述第二节点提供中继服务;并在所述第一节点与所述第二节点之间进行数据通信的时候或者之后,所述第一节点与第三节点之间建立第二连接,所述第二连接用于所述第三节点为所述第一节点提供通信服务。与现有技术中,第一节点必须优先于第三节点建立第二连接之后,才能使得第一节点与第二节点通信相比,本发明实施例所述的方案均可以在与第二节点之间进行数据通信之后,再建立与第三节点的连接,从而节约了第一节点即中继终端的资源和能量。
附图说明
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1是本发明实施例公开的一种通信处理方法的流程图;
图2是本发明实施例公开的另一种通信处理方法的流程图;
图3是本发明实施例公开的又一种通信处理方法的流程图;
图4是本发明实施例公开的又一种通信处理方法的流程图;
图5是本发明实施例公开的一种节点的结构示意图;
图6是本发明实施例公开的另一种节点的结构示意图;
图7是本发明实施例公开的又一种节点的结构示意图;
图8是本发明实施例公开的一种终端的结构示意图;
图9是本发明实施例公开的另一种终端的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明实施例公开了提供一种通信处理方法、节点及终端,能够节约中继终端的能量和资源。本发明实施例中,第一节点和第二节点可以为笔记本电脑、手机、平板电脑、车载终端、多媒体设备、流媒体设备以及智能可穿戴设备等设备,其中,第一节点具有为第二节点提供中继服务的功能。具体的,第一节点可以将第二节点待发送的数据转发到网络中,以及将网络发送给第二节点的数据转发给第二节点,从而实现第一节点与第二节点之间的直接通信。本发明实施例中,第三节点可以为第一节点所接入的服务站点,第四节点可以为第二节点所介入的服务站点,该服务站点可以为基站等网元设备。
基于上述的描述,下面将结合附图1-附图9,对本发明实施例提供的通信处理方法进行详细介绍。
请参阅图1,图1为本发明实施例公开的一种通信处理方法,本实施例从中继终端侧阐述通信处理方法的流程,该方法可以包括以下步骤:
S101、第一节点与第二节点之间进行数据通信,所述数据通信用于所述第一节点为所述第二节点提供中继服务;
S102、在所述第一节点与所述第二节点之间进行数据通信的时候或者之后,所述第一节点与第三节点之间建立第二连接,所述第二连接用于所述第三节点为所述第一节点提供通信服务。
本发明实施例中,步骤S101中第一节点与第二节点之间进行数据通信,可以包括:第一节点接收第二节点发送的请求消息,该请求消息用于请求中继服务,例如,该请求消息为“我需要一个中继终端”,这样第一节点在收到这样的请求消息的时候或者之后,就可以触发第一节点执行步骤S102,即第一节点与第三节点之间建立第二连接。
进一步的,步骤S101中第一节点与第二节点之间进行数据通信,可以为:第一节点接收第二节点发送的请求消息,该请求消息用于请求中继服务;然后第一节点发送回复消息给第二节点,其中该回复消息用于指示第一节点能够提供中继服务,例如,该回复消息为“我是一个中继终端”或者“能够提供中继服务”等,这样第一节点在发送了该回复消息时或之后,即可建立与第三节点之间的连接。
可选的,步骤S101中第一节点与第二节点之间进行数据通信,可以为:第一节点广播回复消息其他节点,其中该回复消息用于指示第一节点能够提供中继服务时,也可以触发第一节点建立与第三节点之间的连接。
本发明实施例中,步骤S101中第一节点与第二节点之间进行数据通信,可以为:第一节点接收第二节点发送的直接通信请求消息(Direct communication Request message),所述直接通信请求消息用于请求建立第一节点与第二节点的连接,例如,建立设备到设备的D2D层2连接,或者用于请求建立第一节点与第二节点之间的连接,或者在第一节点与第二节点之间建立层2链路(establishment of the layer-2link),或者建立1对1的通信的连接(establishment of a connection for One-to-One Communication),或者建立设备到设备的连接,或者建立设备到设备层2连接(establishment of D2D layer-2link);在第一节点接收第二节点发送的直接通信请求消息的时候或者之后,触发所述第一节点建立与第三节点之间第二连接。
作为一种可选的实施方式,第一节点接收第二节点发送的直接通信请求消息之后,还可以与第二节点之间执行相互鉴权操作,当第一节点与第二节点之间执行相互鉴权操作的时候或之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
作为一种可选的实施方式,第一节点接收第二节点发送的直接通信请求消 息之后,还可以发送直接通信回复消息(Direct communication Response message)给所述第二节点;其中,所述第一节点发送直接通信回复消息给所述第二节点的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
相应地,第一节点也可以在发送直接通信回复消息给所述第二节点之后,为第二节点分配IP地址,再与第三节点建立第二连接。其中,该IP地址可以为IPv4地址,也可以为IPv6地址的前缀,本发明实施例不做限定。
相应地,第一节点也可以在发送直接通信回复消息给所述第二节点之后,所述第一节点与第二节点之间执行相互鉴权操作,其中在执行相互鉴权操作过程中,第一节点收到第二节点的鉴权请求消息,或者第一节点发送鉴权请求消息给第二节点,或者第一节点收到第二节点的鉴权回复消息,或者第一节点发送鉴权回复消息给第二节点;所述第一节点与第二节点之间第一节点在执行上述4个动作的任意一个动作的时候或之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
本发明实施例中,步骤S101中第一节点与第二节点之间进行数据通信,还可以包括:第一节点与第二节点建立安全层2链路(establishment of the secure layer-2link);其中,所述第一节点与第二节点建立安全层2链路的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。或者,第一节点发送直接通信回复消息给所述第二节点之后,与第二节点建立安全层2链路,再与第三节点建立第二连接。
其中,第一节点与第二节点建立安全层2链路之后,还可以接收所述第二节点发送的数据或者数据请求;第一节点接收所述第二节点发送的数据或者数据请求的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,步骤S103中,第一节点与第三节点之间建立第二连接,可以包括以下至少一项:
所述第一节点与第三节点之间建立RRC连接;
所述第一节点接入所述第三节点;
所述第一节点执行与所述第三节点之间的鉴权过程;
所述第一节点建立与第三节点公共数据网络PDN或近距离公共数据网络ProSe PDN,以向所述第二节点提供服务;
所述第一节点建立与第三节点的无线承载RB为所述第二节点提供服务。
本发明实施例中,所述第二连接用于所述第三节点为所述第一节点提供的通信服务包括以下至少一项:所述第三节点向所述第一节点转发所述第二节点的数据;所述第三节点为所述第一节点分配所述第一节点与所述第二节点进行数据通信的资源。
本发明实施例中,第一节点与第二节点进行数据通信的资源可以为第三节点为第一节点和第二节点分配的公共资源,例如来自资源池配置的资源。第一节点与第三节点建立第二连接之后,第一节点与第二节点之间的通信资源可以为来自第三节点分配的专用D2D通信资源,例如无线中继资源。
可见,图1所描述的通信处理方法中,第一节点与第二节点之间进行数据通信,该数据通信用于所述第一节点为所述第二节点提供中继服务;并在所述第一节点与所述第二节点之间进行数据通信的时候或者之后,所述第一节点与第三节点之间建立第二连接,所述第二连接用于所述第三节点为所述第一节点提供通信服务。与现有技术中,第一节点必须优先于第三节点建立第二连接之后,才能使得第一节点与第二节点通信相比,本发明实施例所述的方案均可以在与第二节点之间进行数据通信之后,再建立与第三节点的连接,从而节约了第一节点即中继终端的资源和能量。
请参阅图2,图2是本发明实施例公开的另一种通信处理方法的流程示意图,该通信处理方法依旧是以中继终端侧来描述的,具体的,该通信处理方法与图1所描述的通信处理方法相比,图2所描述的通信处理方法中,在第一节点建立与第三节点之间的第二连接之后,还可以包括以下步骤:
S103、第一节点发送第二消息给所述第三节点,所述第二消息包括第二节点的标识信息。
本发明实施例中,第二消息还可以包括第二节点的其他信息,例如,第二节点的地址,第二节点的层2标示,第二节点的服务码(service code),第二节点的上下文(context,或者UE context),从而使得第三节点可以将网络中待发送给第二节点的数据发送给第一节点,由第一节点将这些数据转发给第二节点;或者,使得第三节点可以将第一节点所转发的第二节点的数据发送到网络中。
S104、第一节点向第三节点发送无线中继资源请求消息;
相应地,第二节点也可以向第四节点,如其服务站点。其中,获取无线中继资源,该无线中继资源具体可以为用于D2D relay通信的资源;或者所述资源可以是用于所述第二节点发送数据或者信令给所述第一节点,和/或用于所述第二节点接来自所述第一站点的数据或者信令。所述资源可以是专用资源或者公共资源。专用资源是指专门分配给第一节点使用资源,公共资源可以是第二节点以及其他节点都可以使用的资源。所述资源可以是专用资源或者公共资源,其中所述资源配置可以是包括资源池配置,具体地,资源池配置可以是发送资源池配置,或接收资源池配置,或者所述资源配置可以是无线时频资源配置。
可选地,所述资源配置还包括以下至少一项:第一节点的标示,第二节点的标示。
S105、第一节点接收第三节点所分配的无线中继资源,并通过该无线中继资源,进行与第二节点之间的中继通信。
S106、第一节点在检测到完成与第二节点之间的中继通信时,释放该无线中继资源。
在图2所描述的通信处理方法中,第一节点与第二节点之间进行数据通信,该数据通信用于所述第一节点为所述第二节点提供中继服务;并在所述第一节点与所述第二节点之间进行数据通信的时候或者之后,所述第一节点与第三节点之间建立第二连接,所述第二连接用于所述第三节点为所述第一节点提供通信服务,节约第一节点的能量和资源。而且,第一节点发送第二消息给所述第三节点,所述第二消息包括第二节点的标识信息,实现第一节点将第二节点的数据及时从网络中获得,或者转发到网络中;以及第一节点可以在完成与第二节点之间的中继通信时,释放该无线中继资源,进一步的节省第一节点以及第三节点的能量和通信资源。
请参阅图3,图3是本发明实施例公开的另一种通信处理方法的流程示意图,其中,图3所描述的通信处理方法是以远端终端,即第二节点侧进行描述的,具体的,该通信处理方法包括以下步骤:
S201、第二节点测量所述第二节点与第四节点之间链路的信号质量;
S202、所述第二节点根据所述信号质量,从至少一个候选节点中选择中继节点;
本发明实施例中,第二节点根据所述信号质量,从至少一个候选节点中选择中继节点,可以包括:当所述信号质量满足第一事件的条件时,所述第二节点从至少一个候选节点中选择中继节点。
作为一种可选的实施方式,当所述信号质量满足第一事件的指示的条件时,所述第二节点从至少一个候选节点中选择中继节点,可以具体为:当所述信号质量高于小区重选门限值且低于第一预设门限值时,所述第二节点从至少一个候选节点中选择中继节点;
作为另一种可选的实施方式,当所述信号质量满足第一事件的指示的条件时,所述第二节点从至少一个候选节点中选择中继节点,可以具体为:当所述信号质量低于第二预设门限值,且所述第二节点与邻居站点之间链路的信号质量小于第三预设门限值时,所述第二节点从至少一个候选节点中选择中继节点;
作为又一种可选的实施方式,当所述信号质量满足第一事件的指示的条件时,所述第二节点从至少一个候选节点中选择中继节点,可以具体为:若所述第二节点与邻居站点之间链路的信号质量大于第四预设门限值且小于第五预设门限值,所述第二节点从至少一个候选节点中选择中继节点。
进一步的,当第二节点确定需要从至少一个候选节点中选择中继节点时,第二节点从至少一个候选节点中选择中继节点的方法,可以包括:第二节点根据预设频率优先级对所述第二节点与所述至少一个候选节点之间的通信频率进行优先级排序,获得第一排序结果;所述第二节点从所述第一排序结果中选择优先级最高的候选节点作为中继节点。
作为另一种可选的实施方式,第二节点从至少一个候选节点中选择中继节点,还可以具体为:第二节点测量所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量;所述第二节点对所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量进行排序,获得第二排序结果;所述第二节点从所述第二排序结果中选择信号质量最高的候选节点作为中继节点。
作为又一种可选的实施方式,第二节点确定需要从至少一个候选节点中选择中继节点时,第二节点从至少一个候选节点中选择中继节点的方法,可以包 括:第二节点根据预设频率优先级对所述第二节点与所述至少一个候选节点之间的通信频率进行优先级排序,获得第一排序结果;根据针对每个频率(例如第一优先频率)的候选节点,第二节点测量所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量;所述第二节点对所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量进行排序,获得第二排序结果;当满足第二节点与候选节点之间的信号质量大于门限A的情况下,按照第二排序结果选择质量最好的节点作为中继节点;当满足第二节点与候选节点之间的信号质量大于门限A的情况下,进行第一排序结果,选择频率优先级高的,满足门限A条件的节点。在此基础上结合第二排序结果,信号质量好的节点作为中继节点。
S203、所述第二节点与所述选择的中继节点进行通信。
本发明实施例中,第二节点与所选择的中继节点进行通信,可以具体为:传输数据等。
可见,图3所描述的通信处理方法中,第二节点测量所述第二节点与第四节点之间链路的信号质量;所述第二节点根据所述信号质量,从至少一个候选节点中选择中继节点;所述第二节点与所述选择的中继节点进行通信,从而解决了第二节点,如远端终端,何时选择中继节点进行中继通信的问题。
请参阅图4,图4是本发明实施例公开的又一种通信处理方法的流程示意图,该通信处理方法依旧是以第二节点,如远端终端侧进行描述的,其中,图4所示的通信处理方法与图3所示的通信处理方法进一步优化获得的,具体的,图4所示的通信处理方法可以包括以下步骤:
S301、第二节点测量所述第二节点与第四节点之间链路的信号质量;
S302、第二节点将所述信号质量上报给所述第四节点;
S303、所述第二节点接收所述第四节点针对所述信号质量发送的第五消息,所述第五消息用于指示允许所述第二节点选择中继节点;
S304、当所述信号质量满足第一事件的条件时,所述第二节点从至少一个候选节点中选择中继节点;
S305、所述第二节点根据第二事件的指示处理与所述第四节点之间的连接;
本发明实施例中,第二节点根据第二事件的指示处理与所述第四节点之间的连接,可以具体为:第二节点根据第二事件的指示保持与所述第四节点的通信,或者,断开与所述第四节点连接,或者,断开与所述第四节点的通信,或者,退出所述第四节点所提供的服务网络。
其中,第二节点根据第二事件的指示退出所述第四节点所提供的服务网络,包括:所述第二节点根据第二事件的指示向第四节点发起去附着过程,或者向第四节点发起RRC连接释放过程,或者控制所述第二节点由连接态变为空闲态,以退出所述第四节点所提供的服务网络。或者,第二节点从至少一个中继节点中选择目标中继节点的时候或者之后,保持与所述第四节点的通信。第二节点根据所述信号质量,从至少一个中继节点中选择目标中继节点的时候或者之后,退出所述第二节点的服务站点所提供的服务网络。或者,所述第二节点根据第二事件条件或保持与所述第四节点的通信。或者,所述第二节点根据第三事件的条件退出所述第二节点的服务站点所提供的服务网络。
举例来说,第二事件可以是第二事件A,所述第二事件A可以是以下各项中的一项:所述信号质量高于于门限C,保持与所述第四节点的连接;所述信号质量低于于门限X1而且高于门限Y2,保持与所述第四节点的连接;其中,所述保持与所述第四节点的连接还可以表示为保持与所述第四节点的通信。另外,第二事件可以是第二事件B,所述第二事件B可以是以下各项中的一项:在所述信号质量低于于门限E,断开与所述第四节点连接;或者所述所述信号质量低于于门限X2而且高于门限Y2,断开与所述第四节点连接;其中,所述断开与所述第四节点的连接还可以表示为保持与所述第四节点的通信其中,所述第四节点是第二节点的服务站点。
S306、第二节点与所述选择的中继节点进行通信。
本发明实施例中,第二节点与所选择的中继节点进行通信,可以具体为:传输数据等。
可见,图4所描述的通信处理方法中,第二节点测量所述第二节点与第四节点之间链路的信号质量之后,可以先上报给第四节点,即第二节点的服务站点;当接收到第四节点的针对所述信号质量发送的用于指示允许所述第二节点选择中继节点的第五消息时,所述第二节点根据所述信号质量,从至少一个候选节点中选择中继节点;所述第二节点与所述选择的中继节点进行通信,从而 解决了第二节点,如远端终端,何时选择中继节点进行中继通信的问题。
请参阅图5,图5是本发明实施例公开的一种节点400的结构示意图,该节点可以包括通信单元410,通信单元410用于与第二节点之间进行数据通信,所述数据通信用于为所述第二节点提供中继服务;通信单元还用于在与所述第二节点之间进行数据通信的时候或者之后,与第三节点之间建立第二连接,所述第二连接用于所述第三节点为所述第一节点提供通信服务。
本发明实施例中,通信单元410与第二节点之间进行数据通信的方式,具体为接收第二节点发送的请求消息,所述请求消息用于请求中继服务;通信单元接收所述第二节点发送的请求消息的时候或之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
其中,通信单元410接收第二节点发送的请求消息之后,还可以用于发送回复消息给所述第二节点,所述回复消息用于指示所述第一节点能够提供中继服务;其中,所述通信单元410发送回复消息给第二节点的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,通信单元410与第二节点之间进行数据通信的方式,具体为接收第二节点发送的直接通信请求消息,所述直接通信请求消息用于请求建立第一节点与第二节点的连接,例如,建立设备到设备的D2D层2连接,建立安全的层2链路(establishment of the secure layer-2link),建立层2链路(establishment of the layer-2link),或者建立1对1的通信的连接(establishment of a connection for One-to-One Communication),或者建立设备到设备的连接,或者建立设备到设备层2连接(establishment of D2D layer-2link);通信单元410接收第二节点发送的直接通信请求消息的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
作为一种可选的实施方式,通信单元410接收第二节点发送的直接通信请求消息之后,还可以用于与第二节点之间执行相互鉴权操作;通信单元410与第二节点之间执行相互鉴权操作的时候或之后,执行所述的与第三节点之间建立第二连接的操作。
作为另一种可选的实施方式,通信单元410接收第二节点发送的直接通信请求消息之后,还用于发送直接通信回复消息给所述第二节点;通信单元410 发送直接通信回复消息给所述第二节点的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,通信单元410与第二节点之间进行数据通信的方式,还可以具体为与第二节点建立安全层2链路;通信单元410与第二节点建立安全层2链路的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
作为一种可选的实施方式,通信单元410与第二节点建立安全层2链路之后,还用于为所述第二节点分配IP地址;其中,所述通信单元为所述第二节点分配IP地址的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
作为另一种可选的实施方式,通信单元410与第二节点建立安全层2链路之后,还可以用于接收所述第二节点发送的数据或者数据请求;通信单元410接收所述第二节点发送的数据或者数据请求的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,通信单元410与第三节点之间建立第二连接的方式,具体为以下至少一项:与第三节点之间建立RRC连接;接入所述第三节点;所述第一节点执行与所述第三节点之间的鉴权过程;建立与第三节点公共数据网络PDN或近距离公共数据网络ProSe PDN,以向所述第二节点提供服务;建立与第三节点无线承载RB为所述第二节点提供服务。
本发明实施例中,通信单元410与第三节点之间建立第二连接之后,还用于发送第二消息给所述第三节点,所述第二消息包括第二节点的标识信息。
本发明实施例中,第二连接用于所述第三节点为本端提供的通信服务包括以下至少一项:所述第三节点向本端转发所述第二节点的数据;所述第三节点为本端分配本端与所述第二节点进行数据通信的资源。
图5所描述的节点中,通信单元可以与第二节点之间进行数据通信,该数据通信用于所述第一节点为所述第二节点提供中继服务;并在与所述第二节点之间进行数据通信的时候或者之后,通信单元与第三节点之间建立第二连接,所述第二连接用于所述第三节点为所述第一节点提供通信服务,节约节点的能量和资源。而且,通信单元发送第二消息给所述第三节点,所述第二消息包括第二节点的标识信息,实现本端将第二节点的数据及时从网络中获得,或者转 发到网络中;以及完成与第二节点之间的中继通信时,释放该无线中继资源,进一步的节省本端以及第三节点的能量和通信资源。
请参阅图6,图6是本发明实施例公开的另一种节点的结构示意图,图6所示的节点500a,可以包括以下单元:
测量单元510,用于测量与第四节点之间链路的信号质量;
选择单元520,根据所述信号质量,从至少一个候选节点中选择中继节点;
通信单元530,用于与选择单元520所选择的中继节点进行通信。
其中,选择单元520具体用于在所述信号质量满足第一事件的条件时,从至少一个候选节点中选择中继节点。
所述选择单元在所述信号质量满足第一事件的指示的条件时,从至少一个候选节点中选择中继节点的方式,具体为在所述信号质量高于小区重选门限值且低于第一预设门限值时,所述第二节点从至少一个候选节点中选择中继节点;或者,在所述信号质量低于第二预设门限值,且本端与邻居站点之间链路的信号质量小于第三预设门限值时,从至少一个候选节点中选择中继节点;或者,若与邻居站点之间链路的信号质量大于第四预设门限值且小于第五预设门限值,从至少一个候选节点中选择中继节点。
作为一种可选的实施方式,选择单元520从至少一个候选节点中选择中继节点的方式,具体为:根据预设频率优先级对本端与所述至少一个候选节点之间的通信频率进行优先级排序,获得第一排序结果;从所述第一排序结果中选择优先级最高的候选节点作为中继节点。
作为另一种可选的实施方式,选择单元520从至少一个候选节点中选择中继节点的方式,具体为:测量所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量;对本端与所述至少一个候选节点中每个候选节点之间的信号质量进行排序,获得第二排序结果;从所述第二排序结果中选择信号质量最高的候选节点作为中继节点。
进一步的,请参阅图7,图7是是本发明实施例公开的又一种节点的结构示意图,其中,图7所示的节点500b是图6所示的节点进一步优化获得的,具体的,图7所示的节点除了包括图6所示的单元外,还可以包括以下单元:
上报单元540,用于测量与第四节点之间链路的信号质量之后,将所述信 号质量上报给所述第四节点;
接收单元550,用于接收所述第四节点针对所述信号质量发送的第五消息,所述第五消息用于指示允许本端选择中继节点。
本发明实施例中,图7所示的节点还可以包括以下单元:
处理单元560,用于在所述信号质量满足第一事件的指示时,根据第二事件的指示保持与所述第四节点连接,或保持与所述第四节点的通信,或者,断开与所述第四节点连接,或者,断开与所述第四节点的通信,或者,退出所述第四节点所提供的服务网络。
其中,处理单元560根据第二事件的指示退出所述第四节点所提供的服务网络的方式,具体为根据第二事件的指示向第四节点发起去附着过程,或者向第四节点发起RRC连接释放过程,或者控制本端由连接态变为空闲态,以退出所述第四节点所提供的服务网络。
图6和图7所示的节点中,测量单元可以测量本端与第四节点之间链路的信号质量,由选择单元根据该信号质量,从至少一个候选节点中选择中继节点;并由通信单元与所述选择的中继节点进行通信,从而解决了第二节点,如远端终端,何时选择中继节点进行中继通信的问题。进一步的,图7所示的节点中,上报单元可以将信号质量上报给所述第四节点;当接收单元接收所述第四节点针对所述信号质量发送的允许本端选择中继节点的第五消息时,再由通信单元与所选择的中继节点进行通信,以解决第二节点,如远端终端,何时选择中继节点进行中继通信的问题。
请参阅图8,图8是本发明实施例公开的一种终端的结构示意图,如图8所示,该终端600a处理器610、存储器620、通信总线640以及通信接口630,通信总线640用于实现这些组件之间的通信连接。其中,通信接口630可以为显示屏、鼠标、天线等。存储器620可以是高速RAM存储器,也可以是非不稳定的存储器(non-volatile memory),例如至少一个磁盘存储器。存储器620可选的还可以是至少一个位于远离前述处理器610的存储装置。存储器620中存储一组程序代码,且处理器610调用存储器620中存储的程序代码,用于执行以下操作:
与第二节点之间进行数据通信,所述数据通信用于终端600a为所述第二 节点提供中继服务;在处理器610与所述第二节点之间进行数据通信的时候或者之后,所述处理器610与第三节点之间建立第二连接,所述第二连接用于所述第三节点为终端600a提供通信服务。
本发明实施例中,处理器610调用存储器620中的程序代码,与第二节点之间进行数据通信,可以具体为接收第二节点发送的请求消息,所述请求消息用于请求中继服务;处理器610接收所述第二节点发送的请求消息的时候或之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,处理器610调用存储器620中的程序代码,接收所述第二节点发送的请求消息之后,还可以执行以下操作:
发送回复消息给所述第二节点,所述回复消息用于指示所述第一节点能够提供中继服务;
其中,所述第一节点发送回复消息给第二节点的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,处理器610调用存储器620中的程序代码,与第二节点之间进行数据通信,可以具体为:
接收第二节点发送的直接通信请求消息,所述直接通信请求消息用于请求建立第一节点与第二节点的连接,建立设备到设备的D2D层2连接;
其中,处理器610接收第二节点发送的直接通信请求消息的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
本发明实施例中,处理器610调用存储器620中的程序代码,第一节点接收第二节点发送的直接通信请求消息之后,还可以执行以下操作:
与第二节点之间执行相互鉴权操作;
其中,处理器610与第二节点之间执行相互鉴权操作的时候或之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,处理器610调用存储器620中的程序代码,第一节点接收第二节点发送的直接通信请求消息之后,还可以执行以下操作:
发送直接通信回复消息给所述第二节点;
其中,处理器610发送直接通信回复消息给所述第二节点的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,处理器610调用存储器620中的程序代码,与第二节点 之间进行数据通信,可以具体为:
与第二节点建立安全层2链路;
其中,处理器610与第二节点建立安全层2链路的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,处理器610调用存储器620中的程序代码,与第二节点建立安全层2链路之后,还可以执行以下操作:
为所述第二节点分配IP地址;
其中,处理器610为所述第二节点分配IP地址的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,处理器610调用存储器620中的程序代码,与第二节点建立安全层2链路之后,还可以执行以下操作:
接收所述第二节点发送的数据或者数据请求;
其中,处理器610接收所述第二节点发送的数据或者数据请求的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
本发明实施例中,处理器610调用存储器620中的程序代码,与第三节点之间建立第二连接,可以具体执行以下至少一项:与第三节点之间建立RRC连接;接入所述第三节点;执行与所述第三节点之间的鉴权过程;建立与第三节点公共数据网络PDN或近距离公共数据网络ProSe PDN,以向所述第二节点提供服务;建立与第三节点无线承载RB为所述第二节点提供服务。
本发明实施例中,处理器610调用存储器620中的程序代码,与第三节点之间建立第二连接之后,还可以执行以下操作:
发送第二消息给所述第三节点,所述第二消息包括第二节点的标识信息。
本发明实施例中,所述第二连接用于所述第三节点为所述第一节点提供的通信服务包括以下至少一项:所述第三节点向终端600a转发所述第二节点的数据;所述第三节点为终端600a分配所述终端600a与所述第二节点进行数据通信的资源。
请参阅图9,图9是本发明实施例公开的一种终端的结构示意图,如图9所示,该终端600b可以包括处理器710、存储器720、通信总线740以及通信接口730,通信总线740用于实现这些组件之间的通信连接。其中,通信接口730可 以为显示屏、鼠标、天线等。存储器720可以是高速RAM存储器,也可以是非不稳定的存储器(non-volatile memory),例如至少一个磁盘存储器。存储器720可选的还可以是至少一个位于远离前述处理器710的存储装置。存储器720中存储一组程序代码,且处理器710调用存储器720中存储的程序代码,用于执行以下操作:
测量所述第二节点与第四节点之间链路的信号质量;
根据所述信号质量,从至少一个候选节点中选择中继节点;
与所述选择的中继节点进行通信。
本发明实施例中,处理器710调用存储器720中的程序代码,测量所述第二节点与第四节点之间链路的信号质量之后,还可以执行以下操作:
将所述信号质量上报给所述第四节点;
接收所述第四节点针对所述信号质量发送的第五消息,所述第五消息用于指示允许终端600b选择中继节点。
本发明实施例中,处理器710调用存储器720中的程序代码,第二节点根据所述信号质量,从至少一个候选节点中选择中继节点,可以具体为在所述信号质量满足第一事件的条件时,所述第二节点从至少一个候选节点中选择中继节点。
本发明实施例中,处理器710调用存储器720中的程序代码,还可以执行以下操作:
当所述信号质量满足第一事件的指示时,根据第二事件的指示保持与所述第四节点连接,或保持与所述第四节点的通信,或者,断开与所述第四节点连接,或者,断开与所述第四节点的通信,或者,退出所述第四节点所提供的服务网络。
本发明实施例中,处理器710调用存储器720中的程序代码,根据第二事件的指示退出所述第四节点所提供的服务网络,可以具体为根据第二事件的指示向第四节点发起去附着过程,或者向第四节点发起RRC连接释放过程,或者控制终端600b由连接态变为空闲态,以退出所述第四节点所提供的服务网络。
本发明实施例中,处理器710调用存储器720中的程序代码,当所述信号 质量满足第一事件的指示的条件时,从至少一个候选节点中选择中继节点,可以具体为:
当所述信号质量高于小区重选门限值且低于第一预设门限值时,从至少一个候选节点中选择中继节点;
或者,
当所述信号质量低于第二预设门限值,且与邻居站点之间链路的信号质量小于第三预设门限值时,从至少一个候选节点中选择中继节点;
或者,
若与邻居站点之间链路的信号质量大于第四预设门限值且小于第五预设门限值,从至少一个候选节点中选择中继节点。
本发明实施例中,处理器710调用存储器720中的程序代码,从至少一个候选节点中选择中继节点,可以具体为:
根据预设频率优先级对终端600b与所述至少一个候选节点之间的通信频率进行优先级排序,获得第一排序结果;
从所述第一排序结果中选择优先级最高的候选节点作为中继节点。
本发明实施例中,处理器710调用存储器720中的程序代码,从至少一个候选节点中选择中继节点,可以具体为:
测量所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量;
对所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量进行排序,获得第二排序结果;
从所述第二排序结果中选择信号质量最高的候选节点作为中继节点。
需要说明的是,对于前述的各个方法实施例,为了简单描述,故将其都表述为一系列的动作组合,但是本领域技术人员应该知悉,本申请并不受所描述的动作顺序的限制,因为依据本申请,某一些步骤可以采用其他顺序或者同时进行。其次,本领域技术人员也应该知悉,说明书中所描述的实施例均属于优选实施例,所涉及的动作和模块并不一定是本申请所必须的。在上述实施例中,对各个实施例的描述都各有侧重,某个实施例中没有详细描述的部分,可以参见其他实施例的相关描述。本领域普通技术人员可以理解上述实施例的各种方 法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成,该程序可以存储于一计算机可读存储介质中,存储介质可以包括:闪存盘、只读存储器(Read-Only Memory,ROM)、随机存取器(Random Access Memory,RAM)、磁盘或光盘等。以上对本发明实施例所提供的通信处理方法、节点及终端进行了详细介绍,本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的方法及其核心思想;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。

Claims (40)

  1. 一种通信处理方法,其特征在于,包括:
    第一节点与第二节点之间进行数据通信,所述数据通信用于所述第一节点为所述第二节点提供中继服务;
    在所述第一节点与所述第二节点之间进行数据通信的时候或者之后,所述第一节点与第三节点之间建立第二连接,所述第二连接用于所述第三节点为所述第一节点提供通信服务。
  2. 根据权利要求1所述的方法,其特征在于,第一节点与第二节点之间进行数据通信,包括:
    所述第一节点接收第二节点发送的请求消息,所述请求消息用于请求中继服务;
    其中,所述第一节点接收所述第二节点发送的请求消息的时候或之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
  3. 根据权利要求2所述的方法,其特征在于,所述第一节点接收所述第二节点发送的请求消息之后,所述方法还包括:
    所述第一节点发送回复消息给所述第二节点,所述回复消息用于指示所述第一节点能够提供中继服务;
    其中,所述第一节点发送回复消息给第二节点的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
  4. 根据权利要求1所述的方法,其特征在于,第一节点与第二节点之间进行数据通信,包括:
    第一节点接收第二节点发送的直接通信请求消息,所述直接通信请求消息用于请求建立第一节点与第二节点的连接;
    其中,所述第一节点接收第二节点发送的直接通信请求消息的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
  5. 根据权利要求4所述的方法,其特征在于,所述第一节点接收第二节点发送的直接通信请求消息之后,所述方法还包括:
    所述第一节点与第二节点之间执行相互鉴权操作;
    其中,所述第一节点与第二节点之间执行相互鉴权操作的时候或之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
  6. 根据权利要求4所述的方法,其特征在于,所述第一节点接收第二节点发送的直接通信请求消息之后,所述方法还包括:
    所述第一节点发送直接通信回复消息给所述第二节点;
    其中,所述第一节点发送直接通信回复消息给所述第二节点的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
  7. 根据权利要求1所述的方法,其特征在于,第一节点与第二节点之间进行数据通信,包括:
    第一节点与第二节点建立安全层2链路;
    其中,所述第一节点与第二节点建立安全层2链路的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
  8. 根据权利要求7所述的方法,其特征在于,所述第一节点与第二节点建立安全层2链路之后,所述方法还包括:
    所述第一节点为所述第二节点分配IP地址;
    其中,所述第一节点为所述第二节点分配IP地址的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
  9. 根据权利要求8所述的方法,其特征在于,所述第一节点与第二节点建立安全层2链路之后,所述方法还包括:
    所述第一节点接收所述第二节点发送的数据或者数据请求;
    其中,所述第一节点接收所述第二节点发送的数据或者数据请求的时候或者之后,执行所述的所述第一节点与第三节点之间建立第二连接的操作。
  10. 根据权利要求1-9任一项所述的方法,其特征在于,所述第一节点与第三节点之间建立第二连接,包括以下至少一项:
    所述第一节点与第三节点之间建立无线资源控制RRC连接;
    所述第一节点接入所述第三节点;
    所述第一节点执行与所述第三节点之间的鉴权过程;
    所述第一节点建立与第三节点公共数据网络PDN或近距离公共数据网络ProSe PDN,以向所述第二节点提供服务;
    所述第一节点建立与第三节点无线承载RB为所述第二节点提供服务。
  11. 根据权利要求1-10任一项所述的方法,所述第一节点与第三节点之间建立第二连接之后,所述方法还包括:
    所述第一节点发送第二消息给所述第三节点,所述第二消息包括第二节点的标识信息。
  12. 根据权利要求11所述的方法,其特征在于,所述第二连接用于所述第三节点为所述第一节点提供的通信服务包括以下至少一项:所述第三节点向所述第一节点转发所述第二节点的数据;所述第三节点为所述第一节点分配所述第一节点与所述第二节点进行数据通信的资源。
  13. 一种通信处理方法,其特征在于,包括:
    第二节点测量所述第二节点与第四节点之间链路的信号质量;
    所述第二节点根据所述信号质量,从至少一个候选节点中选择中继节点;
    所述第二节点与所述选择的中继节点进行通信。
  14. 根据权利要求13所述的方法,其特征在于,所述第二节点测量所述第二节点与第四节点之间链路的信号质量之后,所述方法还包括:
    所述第二节点将所述信号质量上报给所述第四节点;
    所述第二节点接收所述第四节点针对所述信号质量发送的第五消息,所述第五消息用于指示允许所述第二节点选择中继节点。
  15. 根据权利要求13或14所述的方法,其特征在于,所述第二节点根据所述信号质量,从至少一个候选节点中选择中继节点,包括:
    当所述信号质量满足第一事件的条件时,所述第二节点从至少一个候选节点中选择中继节点。
  16. 根据权利要求15所述的方法,其特征在于,所述方法还包括:
    当所述信号质量满足第一事件的指示时,所述第二节点根据第二事件的指示保持与所述第四节点连接,或保持与所述第四节点的通信,或者,断开与所述第四节点连接,或者,断开与所述第四节点的通信,或者,退出所述第四节点所提供的服务网络。
  17. 根据权利要求16所述的方法,其特征在于,所述第二节点根据第二事件的指示退出所述第四节点所提供的服务网络,包括:
    所述第二节点根据第二事件的指示向第四节点发起去附着过程,或者向第四节点发起RRC连接释放过程,或者控制所述第二节点由连接态变为空闲态,以退出所述第四节点所提供的服务网络。
  18. 根据权利要求15-17任一项所述的方法,其特征在于,所述当所述信 号质量满足第一事件的指示的条件时,所述第二节点从至少一个候选节点中选择中继节点,包括:
    当所述信号质量高于小区重选门限值且低于第一预设门限值时,所述第二节点从至少一个候选节点中选择中继节点;
    或者,
    当所述信号质量低于第二预设门限值,且所述第二节点与邻居站点之间链路的信号质量小于第三预设门限值时,所述第二节点从至少一个候选节点中选择中继节点;
    或者,
    当所述信号质量低于第三预设门限值,且所述第二节点与邻居站点之间链路的信号质量大于第四预设门限值以及小于第五预设门限值时,所述第二节点从至少一个候选节点中选择中继节点。
  19. 根据权利要求15-18任一项所述的方法,其特征在于,所述第二节点从至少一个候选节点中选择中继节点,包括:
    所述第二节点根据预设频率优先级对所述第二节点与所述至少一个候选节点之间的通信频率进行优先级排序,获得第一排序结果;
    所述第二节点从所述第一排序结果中选择优先级最高的候选节点作为中继节点。
  20. 根据权利要求15-18任一项所述的方法,其特征在于,所述第二节点从至少一个候选节点中选择中继节点,包括:
    所述第二节点测量所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量;
    所述第二节点对所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量进行排序,获得第二排序结果;
    所述第二节点从所述第二排序结果中选择信号质量最高的候选节点作为中继节点。
  21. 一种节点,其特征在于,包括:
    通信单元,用于与第二节点之间进行数据通信,所述数据通信用于为所述第二节点提供中继服务;
    所述通信单元还用于在与所述第二节点之间进行数据通信的时候或者之 后,与第三节点之间建立第二连接,所述第二连接用于所述第三节点为本端提供通信服务。
  22. 根据权利要求21所述的节点,其特征在于,所述通信单元与第二节点之间进行数据通信的方式,具体为接收第二节点发送的请求消息,所述请求消息用于请求中继服务;
    其中,所述通信单元接收所述第二节点发送的请求消息的时候或之后,执行所述的与第三节点之间建立第二连接的操作。
  23. 根据权利要求22所述的节点,其特征在于,所述通信单元接收所述第二节点发送的请求消息之后,还用于发送回复消息给所述第二节点,所述回复消息用于指示所述第一节点能够提供中继服务;其中,所述通信单元发送回复消息给第二节点的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
  24. 根据权利要求21所述的节点,其特征在于,所述通信单元与第二节点之间进行数据通信的方式,具体为接收第二节点发送的直接通信请求消息,所述直接通信请求消息用于请求建立第一节点与第二节点的连接;
    其中,所述通信单元接收第二节点发送的直接通信请求消息的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
  25. 根据权利要求24所述的节点,其特征在于,所述通信单元接收第二节点发送的直接通信请求消息之后,还用于与第二节点之间执行相互鉴权操作;其中,所述通信单元与第二节点之间执行相互鉴权操作的时候或之后,执行所述的与第三节点之间建立第二连接的操作。
  26. 根据权利要求24所述的节点,其特征在于,所述通信单元接收第二节点发送的直接通信请求消息之后,还用于发送直接通信回复消息给所述第二节点;其中,所述通信单元发送直接通信回复消息给所述第二节点的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
  27. 根据权利要求21所述的节点,其特征在于,所述通信单元与第二节点之间进行数据通信的方式,具体为与第二节点建立安全层2链路;
    其中,所述通信单元与第二节点建立安全层2链路的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
  28. 根据权利要求27所述的节点,其特征在于,所述通信单元与第二节 点建立安全层2链路之后,还用于为所述第二节点分配IP地址;其中,所述通信单元为所述第二节点分配IP地址的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
  29. 根据权利要求28所述的节点,其特征在于,所述通信单元与第二节点建立安全层2链路之后,还用于接收所述第二节点发送的数据或者数据请求;其中,所述通信单元接收所述第二节点发送的数据或者数据请求的时候或者之后,执行所述的与第三节点之间建立第二连接的操作。
  30. 根据权利要求21-29任一项所述的节点,其特征在于,所述通信单元与第三节点之间建立第二连接的方式,具体为以下至少一项:与第三节点之间建立RRC连接;接入所述第三节点;执行与所述第三节点之间的鉴权过程;建立与第三节点公共数据网络PDN或近距离公共数据网络ProSe PDN,以向所述第二节点提供服务;建立与第三节点无线承载RB为所述第二节点提供服务。
  31. 根据权利要求21-30任一项所述的节点,所述通信单元与第三节点之间建立第二连接之后,还用于发送第二消息给所述第三节点,所述第二消息包括第二节点的标识信息。
  32. 根据权利要求31所述的节点,其特征在于,所述第二连接用于所述第三节点为所述第一节点提供的通信服务包括以下至少一项:所述第三节点向本端转发所述第二节点的数据;所述第三节点为所述本端分配所述本端与所述第二节点进行数据通信的资源。
  33. 一种节点,其特征在于,包括:
    测量单元,用于测量与第四节点之间链路的信号质量;
    选择单元,根据所述信号质量,从至少一个候选节点中选择中继节点;
    通信单元,用于与所述选择的中继节点进行通信。
  34. 根据权利要求33所述的节点,其特征在于,所述节点还包括:
    上报单元,用于测量与第四节点之间链路的信号质量之后,将所述信号质量上报给所述第四节点;
    接收单元,用于接收所述第四节点针对所述信号质量发送的第五消息,所述第五消息用于指示允许本端选择中继节点。
  35. 根据权利要求33或34所述的节点,其特征在于,所述选择单元具体 用于在所述信号质量满足第一事件的条件时,从至少一个候选节点中选择中继节点。
  36. 根据权利要求35所述的节点,其特征在于,所述节点还包括:
    处理单元,用于在所述信号质量满足第一事件的指示时,根据第二事件的指示保持与所述第四节点连接,或保持与所述第四节点的通信,或者,断开与所述第四节点连接,或者,断开与所述第四节点的通信,或者,退出所述第四节点所提供的服务网络。
  37. 根据权利要求36所述的节点,其特征在于,所述处理单元根据第二事件的指示退出所述第四节点所提供的服务网络的方式,具体为根据第二事件的指示向第四节点发起去附着过程,或者向第四节点发起无线资源控制RRC连接释放过程,或者控制本端由连接态变为空闲态,以退出所述第四节点所提供的服务网络。
  38. 根据权利要求35-37任一项所述的节点,其特征在于,所述选择单元在所述信号质量满足第一事件的指示的条件时,从至少一个候选节点中选择中继节点的方式,具体为在所述信号质量高于小区重选门限值且低于第一预设门限值时,所述第二节点从至少一个候选节点中选择中继节点;或者,在所述信号质量低于第二预设门限值,且本端与邻居站点之间链路的信号质量小于第三预设门限值时,从至少一个候选节点中选择中继节点;或者,若与邻居站点之间链路的信号质量大于第四预设门限值且小于第五预设门限值,从至少一个候选节点中选择中继节点。
  39. 根据权利要求35-38任一项所述的节点,其特征在于,所述选择单元从至少一个候选节点中选择中继节点的方式,具体为:根据预设频率优先级对本端与所述至少一个候选节点之间的通信频率进行优先级排序,获得第一排序结果;从所述第一排序结果中选择优先级最高的候选节点作为中继节点。
  40. 根据权利要求35-38任一项所述的节点,其特征在于,所述选择单元从至少一个候选节点中选择中继节点的方式,具体为:测量所述第二节点与所述至少一个候选节点中每个候选节点之间的信号质量;对本端与所述至少一个候选节点中每个候选节点之间的信号质量进行排序,获得第二排序结果;从所述第二排序结果中选择信号质量最高的候选节点作为中继节点。
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