WO2018027821A1 - Procédé de communication, dispositif associé et système - Google Patents

Procédé de communication, dispositif associé et système Download PDF

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Publication number
WO2018027821A1
WO2018027821A1 PCT/CN2016/094712 CN2016094712W WO2018027821A1 WO 2018027821 A1 WO2018027821 A1 WO 2018027821A1 CN 2016094712 W CN2016094712 W CN 2016094712W WO 2018027821 A1 WO2018027821 A1 WO 2018027821A1
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WIPO (PCT)
Prior art keywords
node
message
discontinuous transmission
configuration information
transmission configuration
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PCT/CN2016/094712
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English (en)
Chinese (zh)
Inventor
张亮亮
张向东
常俊仁
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华为技术有限公司
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Priority to PCT/CN2016/094712 priority Critical patent/WO2018027821A1/fr
Publication of WO2018027821A1 publication Critical patent/WO2018027821A1/fr

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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing 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 method, related device, and system.
  • the terminals can perform terminal-to-terminal (D2D) communication without forwarding through the base station, and D2D communication is a control at the base station.
  • D2D communication is a control at the base station.
  • the technology for allowing direct communication between terminals by multiplexing cell resources, that is, D2D communication is to change the communication mode originally transferred by the base station to direct communication between terminals requiring communication, but the base station still performs D2D communication with the terminal.
  • the terminal maintains the transmission of control information, implements interference control, allocates resources for the D2D terminal, and enables D2D communication to operate in the licensed band.
  • the remote device performs D2D communication through the relay device (Relay UE), thereby implementing data transmission with the base station through the relay device.
  • a D2D communication connection is established between the two D2D terminal devices for data transmission.
  • both the remote device and the relay device must be in a connected state.
  • the D2D terminal devices will release the connection and no longer communicate. If the Remote UE does not have any data transmission with the base station at this time, the Remote UE will be in an idle state, and the idle state will reside in a certain cell.
  • the Remote UE may select the direct access base station to perform data communication with the base station, or may select a Relay UE again, and the Remote UE enters the connected state and obtains communication with the Relay UE through the base station. Resources to utilize this resource with The Relay UE performs D2D communication to transmit data to and from the base station through the Relay UE. Repeatedly, the D2D communication process is not perfect enough, the transmission power between the terminal devices is large, and the communication efficiency is low.
  • the Remote UE When the idle state Remote UE is paged by the base station (when the network notifies the Remote UE that there is a service and the data is transmitted), the Remote UE does not have the assistance of the Relay UE at this time, and cannot perform data transmission with the base station through the Relay. Therefore, no matter what kind of service, the Remote UE must access the base station, perform direct data communication with the base station, and cannot quickly obtain the Relay support to implement data communication with the base station if the network has a service to page the Remote UE. For services with low QoS level, Remote can assist the data transmission with the base station through Relay, which greatly reduces the power consumption of the Remote UE, thereby improving the efficiency of Relay UE assisting D2D communication. Based on the above, the current D2D communication process is not perfect enough, and the transmission power consumption between the terminal devices is large, and the communication efficiency is low.
  • the technical problem to be solved by the embodiments of the present invention is to provide a communication method, related device and system, which solves the problem that the power consumption of the terminal device and the D2D communication efficiency are low in the D2D communication process.
  • an embodiment of the present invention provides a communication method, which may include:
  • the first node receives the first message, where the first message includes discontinuous transmission configuration information
  • the first node performs discontinuous transmission of the device to the device D2D with the second node according to the discontinuous transmission configuration information, where the second node provides a relay service for the first node or is the A node and a third node provide a node of a relay service, and the third node is a service site of the first node or the second node.
  • the first node performs the device-to-device D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information, including:
  • the first node sends a message and/or data to the second node according to the discontinuous transmission configuration information.
  • the D2D non-contiguous transmission interface is a PC5 interface;
  • the discontinuous transmission configuration information includes At least one of the following:
  • PC5_DRX Inactivity Timer The time at which the PC5 interface receives data and then receives data.
  • the first node performs a device-to-device D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information, include:
  • the first node sends a message and/or data to the second node at the start time PC5_StartOffset of the discontinuous transmission according to the discontinuous transmission configuration information.
  • the method further includes:
  • the third section a point is a service node of the first node or the second node, where the second message is used to indicate that the first node resides under the second node, or that the first node is in a low configuration Mode, or indicating that the first node is in a high configuration mode, or instructing the first node to receive a paging message from the second node, or instructing the first node to receive a system message, or instructing the first node to receive Synchronizing information, or instructing the first node to begin discontinuous transmission according to a discontinuous transmission configuration.
  • the first node is in the low configuration mode, including at least one of the following:
  • the first node resides under the second node; or,
  • the first node only receives information sent by the second node.
  • the first node only receives signaling and/or data sent by the second node; or
  • the first node only receives signaling and/or data sent by the D2D communication node;
  • the first node receives signaling and/or data sent by a D2D communication node
  • the first node does not receive a system message sent by the cell; or,
  • the first node does not receive a system message sent by the cell; or,
  • the first node does not receive synchronization information sent by the cell; or,
  • the first node receives the information sent by the second node, but does not perform at least one of the following operations: camping in a cell, receiving a system message sent by the cell, receiving a paging message sent by the cell, and receiving the sent by the cell Synchronization signal, receiving the system message sent by the station, receiving the paging message sent by the station, receiving the synchronization signal sent by the station, neighbor cell measurement, co-frequency cell measurement, and inter-frequency cell measurement; or
  • the first node receives the information sent by the D2D communication node, but does not perform at least one of the following operations: camping in a cell, receiving a system message sent by the cell, receiving a paging message sent by the cell, and receiving a synchronization signal sent by the cell Receiving a system message sent by the station, receiving a paging message sent by the station, receiving a synchronization signal sent by the station, measuring the neighboring cell, measuring the same frequency cell, and measuring the inter-frequency cell;
  • the first node is in the high configuration mode, and includes at least one of the following:
  • the first node camps in the cell, or receives a system message sent by the cell, or receives a small message
  • the synchronization signal sent by the area, or the paging message sent by the receiving cell receiving the system message sent by the station, or receiving the synchronization signal sent by the station, or receiving the paging message sent by the station, or performing cell selection, or performing cell reselection, Or perform neighbor cell measurement, or perform intra-frequency cell measurement, or perform inter-frequency cell measurement.
  • the specific calculation manner of the T1 is any one of the following Calculation:
  • the period T1 during which the PC5 interface performs discontinuous transmission is obtained according to the discovery equipment period of the D2D communication;
  • the period T1 of discontinuous transmission on the PC5 interface is obtained according to a communication cycle of D2D communication;
  • the period T1 of discontinuous transmission on the PC5 interface is obtained according to a paging cycle
  • the period T1 of discontinuous transmission on the PC5 interface is obtained according to the DRX cycle
  • the period T1 at which the discontinuous transmission is performed on the PC5 interface is obtained according to the DTX period;
  • T1 N1*T_Discovery, where T_Discovery is a discovery device period for D2D communication of the first node, and N1 is a number greater than 0;
  • T1 N2*T_communication, where T_communication is a D2D communication cycle for D2D communication of the first node, and N2 is a number greater than 0;
  • T1 K*T_Relay_DRX, where T_Relay_DRX is a DRX cycle in which discontinuous reception is performed between the second node and the third node, and K is a number greater than 0; or
  • the specific calculation manner of the PC5_StartOffset is any one of the following calculation methods:
  • the PC5_StartOffset is obtained according to the start time of the DRX of the Uu port;
  • the PC5_StartOffset is obtained according to a starting moment of paging the paging radio frame of the second node
  • the PC5_StartOffset is obtained according to a starting moment of paging the paging radio frame of the first node
  • the PC5_StartOffset is obtained according to a paging moment of paging the paging subframe of the second node
  • the SFN is a system frame number
  • the subframe number is a subframe number
  • T1 is the discontinuous transmission period T1;
  • the SFN is a system frame number
  • the subframe number is a subframe number
  • T1 is the discontinuous transmission period T1;
  • Yth subframes PC5_StartOffset, where Y is greater than or equal to zero.
  • the specific calculation manner of the T1 is any one of the following Calculation:
  • T1 M*T_Relay_Paging, where T_Relay_Paging is a paging cycle in which the second node receives a base station paging on the Uu port; or
  • the specific calculation manner of the PC5_StartOffset is any one of the following methods:
  • the discontinuous transmission configuration information includes discontinuous transmission configuration information and/or non-connection reception configuration information
  • the discontinuous transmission includes discontinuous transmission and/or discontinuous connection.
  • the first node receives the first message, including:
  • the first node receives a first message sent by the second node or the third node, where the third node is a service station of the first node or the second node.
  • the method includes:
  • the first node resides under the second node
  • the first node is in the low configuration mode
  • the first node is in the high configuration mode
  • the first node listens to and receives a paging message from the second node;
  • the first node listens for and receives a system message from the second node;
  • the first node listens for and receives a synchronization message from the second node.
  • the method further includes:
  • the first node replies with a third message, which is used to confirm that the first node resides under the second node, or confirms that the first node is in a low configuration mode, or confirms that the first node is in In the high-match mode, either confirming that the first node listens to and receives a paging message from the second node, or confirms that the first node listens to and receives a synchronization message from the second node, or the first node listens and receives The synchronization message from the second node, or the first node performs discontinuous transmission based on the discontinuous transmission configuration information.
  • the method includes:
  • the first node performs D2D communication with the second node
  • the first node maintains a D2D connection between the first node and the second node;
  • the first node releases a D2D connection between the first node and the second node
  • the first node accesses a network or the third node.
  • the method includes:
  • the first node sends a fifth message to the second node, where the fifth message includes a failure to indicate that the first node accesses the third node successfully or accesses the third node, Or, comprising: indicating that the first node accesses the network successfully or fails to access the network.
  • the fourth message includes: a network identifier of the first node; or
  • the fourth message is a device discovery message
  • the fourth message is a message that is scrambled by the network identifier of the first node.
  • an embodiment of the present invention provides a communication method, which may include:
  • the second node performs discontinuous transmission of the device to the device D2D with the first node according to the discontinuous transmission configuration information, and the first node receives and performs D2D discontinuity with the second node according to the discontinuous transmission configuration information.
  • the node of the transmission
  • the second node is a node that provides a relay service for the first node or provides a relay service for the first node and the third node, where the third node is the first node or the The service site of the second node.
  • the second node performs the device-to-device D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information, including:
  • the second node sends a message and/or data to the first node according to the discontinuous transmission configuration information.
  • the second node performs device-to-device D2D with the first node according to the discontinuous transmission configuration information.
  • the discontinuous transmission including:
  • the second node sends a first message to the first node, where the first message includes the discontinuous transmission configuration information, and the first message is used to indicate that the first node is configured according to the discontinuous transmission
  • the information is transmitted to the second node by the device to the device D2D.
  • the sending, by the second node, the first message to the first node includes:
  • the second node receives the sixth message sent by the third node, and sends a first message to the first node according to the sixth message, where the third node is the first node or the second node Service site;
  • the sixth message includes discontinuous transmission configuration information, and the third node sends a first message to the first node, where the first message includes the discontinuous transmission configuration information.
  • the method further includes:
  • the first node Receiving, by the second node, the first node to send a message and/or data in a preset time domain and/or a frequency domain of the discontinuous transmission period T1 according to the discontinuous transmission configuration information;
  • the second node receives the message and/or data sent by the first node in the preset time domain and/or the frequency domain of the discontinuous transmission period T1 according to the discontinuous transmission configuration information.
  • the method further includes:
  • the method further includes:
  • the fourth message is used to indicate that the first node performs D2D communication with the second node.
  • the fourth message is used to wake up the first node and instruct the first node to perform D2D communication with the second node;
  • the fourth message is used to indicate that the first node accesses the network or accesses the third node, and the third node is a service station of the first node or the second node.
  • the sending, by the second node, the fourth message to the first node includes:
  • the eighth message is used to page the first node; or the eighth message is used to page the first node to access the network; or the eighth message is used to indicate that the second node accesses the network, In order to provide a communication service for the first node; or the eighth message is used to instruct the second node to page the first node, and provide a relay for the first node and the third node service.
  • a fifth possible implementation manner in a sixth possible implementation manner, when the eighth message is used to page the first node, the fourth message is used to page the first node access
  • the network is used to page the first node to access the third node, or to instruct the first node to communicate with the second node;
  • the fourth message is used to page the first node to access the network, or to page the first node to access the Third node;
  • the fourth message is used to indicate The first node performs D2D communication with the second node.
  • the method further includes:
  • the second node sends a seventh message to the third node, where the seventh message includes the discontinuous transmission configuration information, and the seventh message is used to notify the third node that the second node is according to the non-continuous Continuously transmitting configuration information to the first node for D2D discontinuous transmission, the third node being a service node of the first node or the second node.
  • the sending, by the second node, the second message to the first node includes:
  • the second node sends a second message to the first node according to the discontinuous transmission configuration information.
  • the method includes:
  • the sending, by the second node, the fourth message to the first node includes:
  • the second node sends a fourth message to the first node according to the discontinuous transmission configuration information.
  • an embodiment of the present invention provides a communication method, which may include:
  • the third node sends a first message to the first node, where the first message includes discontinuous transmission configuration information, where the first message is used by the first node to perform equipment with the second node according to the discontinuous transmission configuration information.
  • a discontinuous transmission to device D2D wherein the second node is a node that performs D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information;
  • the third node sends a sixth message to the second node, where the sixth message includes discontinuous transmission configuration information, and the sixth message is used by the second node to perform equipment with the first node according to the discontinuous transmission configuration information.
  • a discontinuous transmission to device D2D wherein the first node is a node that receives and performs D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information; or
  • the third node receives the seventh message sent by the second node, where the seventh message includes discontinuous transmission configuration information, and the seventh message is used to notify the third node that the second node is configured according to the discontinuous transmission And performing non-continuous transmission of D2D with the first node, where the third node is a service station of the first node or the second node, where the first node is received and according to the discontinuity A node that transmits configuration information to the second node for D2D discontinuous transmission.
  • the second node is a node that provides a relay service for the first node or provides a relay service for the first node and the third node.
  • the third node is a service station of the first node or the second node.
  • the third node sends the first message to the first node, or in combination with the first possible implementation manner of the third aspect, in a second possible implementation manner, the third node sends the first message to the first node, or in the case that the third node sends the sixth message to the second node, the method further includes:
  • the third node sends a second message to the first node, where the second message is used to indicate that the first node resides under the second node or the first node enters a low configuration mode, or indicates The first node enters a high configuration mode, or instructs the first node to receive a paging message from the second node, or instructs the first node to receive a system message, or instructs the first node to receive synchronization information, Or triggering the first node to perform discontinuous transmission according to the discontinuous transmission configuration information.
  • the third node sends the first message to the first node, or the third In the case that the node sends the sixth message to the second node, the method further includes:
  • the eighth message is used to page the first node.
  • the eighth message is used to page the first node to access the network.
  • the eighth message is used to indicate that the second node accesses a network, so as to provide a communication service for the first node;
  • the eighth message is used to instruct the second node to page the first node, and provide a relay service for the first node and the third node.
  • the method includes:
  • the third node Receiving, by the third node, a third message replied by the first node, where the third message is used to confirm that the first node resides under the second node, or that the first node is in a low configuration mode Or confirming that the first node is in the high-match mode, or confirming that the first node listens to and receives a paging message from the second node, or the first node performs discontinuous transmission according to the discontinuous transmission configuration information.
  • an embodiment of the present invention provides a terminal device, where the terminal device is a first node, and the first node may include: an input unit, an output unit, a storage unit, and a processing unit;
  • the storage unit is configured to store program code
  • the processing unit is configured to invoke the program code stored by the storage unit to perform the following steps:
  • the processing unit is configured to perform device-to-device D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information, specifically:
  • the processing unit is further configured to:
  • the first node camps under the second node, or indicates that the first node is in a low configuration mode, or indicates that the first node is in a high configuration mode, or indicates that the first node receives from the second a paging message of the node, or instructing the first node to receive a system message, or instructing the first node to receive synchronization information, or instructing the first node to start discontinuous transmission according to a discontinuous transmission configuration.
  • an embodiment of the present invention provides a terminal device, where the terminal device is a second node, and the second node may include: an input unit, an output unit, a storage unit, and a processing unit;
  • the storage unit is configured to store program code
  • the processing unit is configured to invoke the program code stored by the storage unit to perform the following steps:
  • the processing unit is configured to perform non-continuous transmission of the device to the device D2D with the first node according to the discontinuous transmission configuration information, specifically:
  • the processing unit is configured to perform device-to-device with the first node according to the discontinuous transmission configuration information. Before the discontinuous transmission of D2D, it is also used to:
  • the configuration information is transmitted to the second node for discontinuous transmission of the device to the device D2D.
  • the processing unit is configured to send the first message to the first node, specifically:
  • the processing unit is further configured to:
  • an embodiment of the present invention provides a base station, where the base station is a third node, and the third node may include: an input unit, an output unit, a storage unit, and a processing unit;
  • the storage unit is configured to store program code
  • the processing unit is configured to invoke the program code stored by the storage unit to perform the following steps:
  • a seventh message sent by the second node where the seventh message includes discontinuous transmission configuration information, where the seventh message is used to notify the third node that the second node is according to the discontinuity Transmitting configuration information to the first node for D2D discontinuous transmission, the third node being a service node of the first node or the second node, wherein the first node is received and according to the A node that discontinuously transmits configuration information to the second node for D2D discontinuous transmission.
  • the third node sends a first message to the first node, or in a case where the third node sends a sixth message to the second node,
  • the processing unit is also used to:
  • the processing unit is also used to:
  • the eighth message is used to page the first node.
  • the eighth message is used to page the first node to access the network.
  • the eighth message is used to indicate that the second node accesses a network, so as to provide a communication service for the first node;
  • the eighth message is used to instruct the second node to page the first node, and provide a relay service for the first node and the third node.
  • a seventh aspect of the embodiments of the present invention provides a communication system, which may include: a first terminal device, a second terminal device, and a base station, where
  • the first terminal device is a first node that performs the method of any one of the first aspects
  • the second terminal device is a second node that performs the method of the second aspect
  • the base station is a third node that performs the method of any of the third aspects.
  • An eighth aspect of the embodiments of the present invention provides a device, where the device includes a processor, and the processor is configured to support the device to perform a corresponding function in a communication method provided by the first aspect.
  • the device can also include a memory for coupling with the processor that holds the program instructions and data necessary for the device.
  • the device can also include a communication interface for the device to communicate with other devices or communication networks.
  • a ninth aspect of the embodiments of the present invention provides a device, where the device includes a processor, and the processor is configured to support the device to perform a corresponding function in a communication method provided by the second aspect.
  • the device can also include a memory for coupling with the processor that holds the program instructions and data necessary for the device.
  • the device can also include a communication interface for the device to communicate with other devices or communication networks.
  • a tenth aspect of the embodiments of the present invention provides a device, where the device includes a processor, and the processor is configured to support the device to perform a corresponding function in a communication method provided by the third aspect.
  • the device can also include a memory for coupling with the processor that holds the program instructions and data necessary for the device.
  • the device can also include a communication interface for the device to communicate with other devices or communication networks.
  • An eleventh aspect of the present invention provides a computer storage medium for storing computer software instructions for use in the apparatus provided in the above eighth aspect, comprising a program designed to perform the above aspects.
  • a twelfth aspect of the embodiments of the present invention provides a computer storage medium for storing computer software instructions for use in the apparatus provided in the above ninth aspect, comprising a program designed to perform the above aspects.
  • a thirteenth aspect of the present invention provides a computer storage medium for storing computer software instructions for use in the apparatus provided in the above tenth aspect, comprising a program designed to perform the above aspects.
  • the first message is received by the first node, where the first message includes discontinuous transmission configuration information; the first node performs equipment with the second node according to the discontinuous transmission configuration information.
  • Discontinuous transmission to device D2D wherein the second node is a node that performs D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information. That is, the terminal device that performs the D2D communication performs the discontinuous transmission, thereby prompting the Remote UE to not need to be always in the listening state, and can perform data transmission with the base station through the Relay UE at any time, thereby achieving power consumption reduction and improving D2D communication. effectiveness.
  • the non-continuous Uu port data/message is also implemented in the embodiment of the present invention, and the second node is quickly transmitted to the first node on the PC5 interface, which not only ensures the low power consumption of the first node, but also further improves the D2D communication. s efficiency.
  • FIG. 1 is a schematic structural diagram of a D2D communication network according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a communication method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of another communication method according to an embodiment of the present invention.
  • FIG. 3A is a schematic diagram of message sending and receiving based on a base station paging cycle provided by an embodiment of the present invention
  • FIG. 3B is a schematic diagram of message and/or data transmission based on a discontinuous reception DRX cycle of a base station according to an embodiment of the present invention
  • 3C is a schematic diagram of preset time-frequency resources in a time-frequency resource of a Discovery cycle according to an embodiment of the present invention
  • FIG. 5 is a schematic flowchart of still another communication method according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a communication apparatus according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of another communication apparatus according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of still another communication apparatus according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of another terminal device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of still another terminal device according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a communication system according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of still another terminal device according to an embodiment of the present invention.
  • references to "an embodiment” herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the invention.
  • the appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art will understand and implicitly understand that the embodiments described herein can be combined with other embodiments.
  • the first node/second node may be various types of devices or User Equipments (UEs), and the UE may be referred to as an access terminal, a terminal device, a subscriber unit, a subscriber station, a mobile station, and a mobile station. , remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
  • UEs User Equipments
  • the UE can be a cellular phone, a cordless phone, a smart phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a smart bracelet, a smart wearable device, an MP3 player (Moving) Picture Experts Group Audio Layer III, Motion Picture Experts Compress Standard Audio Level 3), MP4 (Moving Picture Experts Group Audio Layer IV, Motion Picture Experts Compress Standard Audio Level 3) Player, Personal Digital Assistant (PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, and a terminal device in a future 5G network.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the third node may be various types of stations or base stations, such as a Base Transceiver Station (BTS) in GSM or CDMA, a base station (NodeB) in WCDMA, or an evolution in LTE.
  • BTS Base Transceiver Station
  • NodeB base station
  • LTE Evolution in LTE
  • the present invention is not limited to the type of base station (Evolutional Node B, eNB or eNodeB), or the base station equipment in the future 5G network.
  • DRX Discontinuous Reception
  • the UE also uses discontinuous reception DRX in the connected state in order to save power consumption, that is, wake up at certain moments of the DRX cycle, if the base station receives the scheduling The PDCCH of the UE, then the terminal starts to receive data of the base station. If the terminal wakes up for a period of time and has not received the PDCCH of the UE scheduled by the base station, the terminal sleeps.
  • IDLE DRX is the discontinuous reception when the UE is in the IDLE state. In fact, it is the listening paging message. Since it is in the IDLE state, there is no RRC connection.
  • the user's proprietary resources so this is mainly to listen to the paging channel.
  • the UE listens to the paging message according to the defined paging cycle according to the defined paging cycle. If the base station sends a paging message belonging to the UE at this time, the UE receives the paging message, and the UE can reach the paging message. The purpose of discontinuous reception. However, if the UE wants to listen to the user data channel, it must first enter the connection state from the IDLE state.
  • ACTIVE DRX is the DRX in the RRC-CONNECTED state of the UE. When the UE remains in the connected state, it wakes up according to the defined DRX cycle, and listens to whether the base station sends data to itself.
  • the UE will sleep. Go, wait until the next DRX cycle will wake up again.
  • some non-real-time applications such as web browsing, instant messaging, etc., always exist for a period of time, the mobile phone does not need to constantly monitor the downlink data and related processing, then DRX can be applied to such a situation, and because this state still exists The RRC connection, so the UE has to go to the support state very quickly.
  • Multiple means two or more. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character "/" generally indicates that the contextual object is an "or" relationship.
  • FIG. 1 is a schematic structural diagram of a D2D communication network according to an embodiment of the present invention.
  • the network architecture includes a core network, a third node (base station), a first node (Remote UE), and a second node (Relay UE). And wherein the first node may be within the coverage of the third node or outside the coverage of the third node.
  • the base station is responsible for allocating resources for D2D connection and communication between the Remote UE and the Relay UE, and the Remote UE and the Relay UE perform D2D connection according to the resources allocated by the base station, and directly perform D2D communication, wherein the core network is mainly the D2D communication process. Provide data support and related services.
  • the base station after receiving the D2D communication connection request of the second node, the base station usually sends downlink control information to the second node to indicate the time-frequency resource for performing D2D communication, and then the second node sends the received base station. After the downlink control information, the control information is sent to the first node, and then D2D transmission is performed according to the control information.
  • the second node may establish a D2D transmission connection with a first node, or may establish a D2D transmission connection with multiple first nodes at the same time.
  • the network architecture in FIG. 1 is only one of the preferred embodiments of the present invention.
  • the network architecture in the embodiment of the present invention includes, but is not limited to, the foregoing network architecture.
  • the system to which the embodiment of the present invention is applied includes, but is not limited to, the above-mentioned D2D communication system, and can also be applied to Wi-Fi, Zigbee, IR, Bluetooth, LTE, GSM, etc., which are integrated with the D2D communication system.
  • the converged network system as long as the system to which the D2D communication method of the present invention can be applied, is within the scope of protection and coverage of the present invention.
  • FIG. 2 is a schematic flowchart of a communication method in the embodiment of the present invention, which can be applied to the D2D communication system described in FIG. 2, and the following description will be made from the first node (Remote UE) and FIG.
  • the interaction side of the second node (Relay UE) is described, wherein the second node is a node that provides a relay service for the first node or provides a relay service for the first node and the third node, and the third node is the first node. Or the service site of the second node.
  • the method may include the following steps S201 to S203, and further may further include steps S204 to S209.
  • Step S201 The first node receives the first message, where the first message includes discontinuous transmission configuration information.
  • the first message may be sent by the third node (base station), may be sent by the second node, or may be forwarded by the second node generated by the third node, or sent by other nodes.
  • the present invention does not specifically limit this, no matter which node is generated, as long as the first message is finally sent to the first node.
  • the first node may perform D2D transmission with the D2D device (second node) according to the discontinuous transmission configuration provided by the first message.
  • the implementation of the method steps can enable D2D communication by means of discontinuous transmission or reception when the device communicates with the device, thereby saving power consumption and improving D2D communication efficiency.
  • the discontinuous transmission configuration information includes discontinuous transmission configuration information and/or non-connection reception configuration information; or the discontinuous transmission includes discontinuous transmission and/or discontinuous connection.
  • Step S202 The first node performs discontinuous transmission of the device to the device D2D with the second node according to the discontinuous transmission configuration information.
  • the first node or the second node when the first node or the second node performs discontinuous transmission of the device to the device D2D according to the discontinuous transmission configuration information, the first node or the second node sleeps in a discontinuous transmission period. (not waking up), maintain D2D connections, or maintain context information for device-to-device communication.
  • the first node receives the message sent by the second node according to the discontinuous transmission configuration information (that is, in a time period corresponding to the related parameter in the discontinuous transmission configuration information). And/or data; or the first node sends a message and/or data to the second node according to the discontinuous transmission configuration information, so as to save the situation in the case that there is no data interaction between devices in the D2D communication process. Waste of power consumption caused by paging and monitoring.
  • the discontinuous transmission configuration information may include that the first node performs the discontinuous transmission period T1 (that is, the period in which the second node performs the discontinuous transmission, because the second node needs to cooperate with the first node to perform the non-continuous transmission. Continuous transmission), in all possible implementation manners of the present invention, the first node performs the device-to-device D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information, which may be specifically:
  • the first node according to the discontinuous transmission configuration information, in the discontinuous transmission period T1, to the second section Send messages and/or data; or
  • the first node sends a message and/or data to the second node in a preset time domain and/or frequency domain of the discontinuous transmission period T1 according to the discontinuous transmission configuration information;
  • the first node receives the message and/or data sent by the second node at the start time PC5_StartOffset of the discontinuous transmission according to the discontinuous transmission configuration information; or
  • the first node sends a message and/or data to the second node at the start time PC5_StartOffset of the discontinuous transmission according to the discontinuous transmission configuration information.
  • the second node and the first node are nodes that perform discontinuous transmission, the actions of transmitting data and receiving data are mutually corresponding, that is, the second node must also perform configuration information according to the discontinuous transmission.
  • Send or receive data For example, the second node sends signaling or data to the first node within a predetermined time period, and the first node also needs to wake up to receive the signaling or data during the predetermined time period.
  • Step S203 The second node performs discontinuous transmission of the device to the device D2D with the first node according to the discontinuous transmission configuration information.
  • the first node is a node that receives and performs D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information. Further, the second node receives the message and/or data sent by the first node according to the discontinuous transmission configuration information; or the second node sends the message according to the discontinuous transmission configuration information. A node sends messages and/or data.
  • the discontinuous transmission configuration information may include that the first node performs the discontinuous transmission period T1 (that is, the period in which the second node performs the discontinuous transmission, because the second node needs to cooperate with the first node to perform the non-continuous transmission. Continuous transmission), in all possible implementation manners of the present invention, the second node performs the discontinuous transmission of the device to the device D2D with the first node according to the discontinuous transmission configuration information, which may specifically be:
  • the first node Receiving, by the second node, the first node to send a message and/or data in a preset time domain and/or a frequency domain of the discontinuous transmission period T1 according to the discontinuous transmission configuration information;
  • the second node receives the message and/or data sent by the first node in the preset time domain and/or the frequency domain of the discontinuous transmission period T1 according to the discontinuous transmission configuration information.
  • the second node receives the message sent by the first node according to the discontinuous transmission configuration information, and specifically, for example, the second node may perform the discontinuous transmission according to the discontinuous transmission configuration information.
  • Receiving the third message, the fifth message, and the like sent by the first node in the period T1 but the present invention is not limited to the enumerated messages, and the specific content or role of each type of message will be specifically described in the subsequent process steps.
  • the second node sends a message to the first node according to the discontinuous transmission configuration information, which may be, for example, the second node: according to the discontinuous transmission configuration information,
  • the second message, or the fourth message, etc. is sent to the first node in the non-continuous transmission period T1 (but the invention is not limited to the listed messages), and the specific content or role of each type of message will be specifically described in the subsequent process steps.
  • the second node since the second node needs to perform D2D communication according to the discontinuous transmission configuration information, the second node must also obtain the discontinuous transmission configuration information before the D2D communication.
  • the second node obtains the discontinuous transmission configuration information in multiple ways. First, it may be obtained from the third node as the first node, and second, may be generated by the second node itself as a relay node, and generated. Then, it is sent to the first node, and is also sent to the third node.
  • the present invention does not specifically limit this.
  • the steps S202 and S203 only the actions of the first node and the second node are respectively described.
  • the execution steps are performed in no particular order, for example, S202 and S203 are performed simultaneously, or two steps are preceded.
  • the first node is discontinuously transmitted, which means that the second node is required to receive or receive discontinuously; correspondingly, the first node is discontinuously received, which means that the second node needs to be discontinuously transmitted.
  • the foregoing method embodiment is described from the perspective that the first node is a Remote UE, and the second node is a Relay UE, but the above embodiment does not mean that the related steps can only be performed from the perspective of the executing entity.
  • the first node may also be a Relay UE, and the second node may also be a Remote UE.
  • the embodiment of the present invention may further include a combination of any of the following steps S204 to S209. Steps S204-S209 are optional execution steps.
  • Step S204 The second node sends a second message to the first node.
  • the second node may be to send the second message to the first node before, after or at the same time that the first node receives the first message.
  • the second message is used to indicate that the first node resides under the second node, or indicates that the first node is in a low configuration mode, or indicates that the first node is in a high configuration mode, or indicates
  • the first node receives a paging message from the second node, or instructs the first node to receive a system message from the second node, or instructs the first node to receive synchronization information from the second node, or indicates the
  • the first node begins discontinuous transmission according to the discontinuous transmission configuration.
  • the second message is used to indicate that the first node starts to perform discontinuous transmission according to the discontinuous transmission configuration.
  • the specific implementation may be performed by performing step S201 (for example, the second node sends the first message to the first After the node, the second node performs step S204 (the second node sends a second message to the first node for indicating discontinuous transmission according to the discontinuous transmission configuration), and correspondingly, the second message is received by the first node.
  • step S202 is performed to start discontinuous transmission using the discontinuous transmission configuration provided in the first message, or the second node performs step S203.
  • the present invention does not specifically limit this.
  • the second message is used to indicate that the first node resides under the second node, or that the first node is in a low configuration mode, or that the first node is in a high configuration.
  • Mode or instructing the first node to receive a paging message from the second node, or instructing the first node to receive a system message from the second node, or instructing the first node to receive synchronization information from the second node ”:
  • the present invention does not limit the time for sending the second message, for example, the second node may be Sending a second message to the first node before, after, or at the same time that the first node receives the first message.
  • the second message may be that the second node may send the second message to the first node in the discontinuous transmission period T1 according to the discontinuous transmission configuration information, or the second message may be in the first The message is sent before, and the second node does not have the second message sent in the discontinuous transmission period.
  • the low configuration mode refers to at least one of the following: the first node stays under the second node, or the first node only receives the information sent by the second node, or the first node only receives the second node. Signaling and/or data, or the first node only receives signaling and/or data sent by the D2D communication node, or the first node receives signaling and/or data sent by the second node, or the first node receives the D2D communication node Signaling and/or data sent; or the first node receives the paging message sent by the second node, or the first node receives the system message sent by the second node, or the first node receives the synchronization signal sent by the second node, or The first node does not receive the system message sent by the cell, or the first node does not receive the system message sent by the cell, or the first node does not receive the synchronization information sent by the cell, or the first node receives the information sent by the second node, but does not execute At
  • the first node in the low configuration mode typically does not communicate directly with the second node, but rather with the second node.
  • the first node when the “first node resides under the second node”, the first node performs at least one or more of the following operations: the first node only receives information sent by the second node, or the first node only receives the second node Signaling and/or data sent, or the first node only receives signaling and/or data sent by the D2D communication node, or the first node receives signaling and/or data sent by the second node, or the first node receives D2D Signaling and/or data sent by the communication node, or the first node receives the paging message sent by the second node, or the first node receives the system message sent by the second node, or the first node receives the synchronization signal sent by the second node.
  • the first node does not receive the system message sent by the cell, or the first node does not receive the system message sent by the cell, or the first node does not receive the cell transmission.
  • Synchronization information or the first node receives the information sent by the second node, but does not perform at least one of the following operations: camping in a cell, receiving a system message sent by the cell, receiving a paging message sent by the cell, and receiving the cell sending Synchronization signal, receiving the system message sent by the station, receiving the paging message sent by the station, receiving the synchronization signal neighbor cell measurement sent by the station, the same frequency cell measurement, the inter-frequency cell measurement, or the first node receiving the information sent by the D2D communication node
  • the following at least one operation is not performed: camping in a cell, receiving a system message sent by the cell, receiving a paging message sent by the cell, receiving a synchronization signal sent by the cell, receiving a system message sent by the station, and receiving the system message sent by the station Paging
  • the signaling mentioned in the low configuration mode in this embodiment for example, “receiving signaling sent by a D2D communication node”, “receiving signaling sent by a second node communication node”, etc., signaling is seeking The call message, or the system message, or the synchronization signal, or the reconfiguration message, or the second message mentioned in this embodiment, or the seventh message, etc., the "signaling" in this embodiment is not limited to An example message.
  • the “system message sent by the receiving station”, the “paging message sent by the receiving station”, and the “synchronization sent by the receiving station” are base station devices, such as an eNB in LTE. , or a NodeB of WCDMA, or a BTS in GSM or CDMA, or a micro station, etc., this embodiment does not limit the type of base station of the station.
  • the “system message sent by the receiving cell” mentioned in this embodiment is equivalent to the system message sent by the receiving station, and the “paging message sent by the receiving cell” is equivalent to the paging message sent by the receiving station.
  • the "synchronization signal transmitted by the receiving cell” is equivalent to the synchronization signal transmitted by the receiving station.
  • D2D communication node refers to a D2D communication device, for example, including a second node, or other D2D device synchronized with the second node, or having the same synchronization source as the second node. D2D device.
  • the high configuration mode includes at least one of the following:
  • the first node camps in the cell, or receives a system message sent by the cell, or receives a synchronization signal sent by the cell, or receives a paging message sent by the cell, receives a system message sent by the station, or receives a synchronization signal sent by the station, or Receiving a paging message sent by the station, or performing cell selection, performing cell reselection, or performing neighbor cell measurement, or performing intra-frequency cell measurement, or Perform inter-frequency cell measurements.
  • the first node in the high configuration mode usually communicates directly with the site, which may be a base station, may be a second node, or the like.
  • the first node in the high configuration mode usually communicates directly with the cell, for example, a cell of a certain site, or a cell of the third site, for example.
  • Step S205 The first node receives the second message sent by the second node.
  • the first node receives the second message sent by the second node before, after, or after receiving the first message, and after the first node receives the second message, the first node may reside in the second node. Under the second node; or the first node is in the low configuration mode; or the first node is in the high configuration mode; or the first node listens to and receives the paging message from the second node; or the first node listens and receives from the second node System message; or the first node listens for and receives a synchronization message from the second node.
  • steps S206-207 are sequential for the optional process.
  • Step S206 The first node replies to the second node with a third message.
  • the first node after receiving the second message sent by the second node, the first node also sends a third message to the second node, where the third message is used to confirm to the second node or the third node that the first node resides in the third message.
  • the third message is used to confirm to the second node or the third node that the first node resides in the third message.
  • the second node or confirm that the first node is in the low configuration mode, or confirm that the first node is in the high configuration mode, or confirm that the first node listens and receives the paging message from the second node, or confirms that the first node listens
  • Step S207 The second node receives the third message replied by the first node.
  • steps S208-209 are sequential for the optional process.
  • Step S208 The second node sends a fourth message to the first node.
  • the fourth message is used to indicate that the first node performs D2D communication with the second node; or the fourth message is used to wake up the first node and indicate the first node and the The second node performs D2D communication; or the fourth message is used to indicate that the first node accesses the network or accesses the third node, and the third node is the first node or the second node Service site.
  • the second node may send the first node to the first node according to the discontinuous transmission configuration information.
  • the fourth message is sent, that is, the fourth message may be sent on the discontinuous transmission configuration period T1, or may not be sent on the period T1.
  • the fourth message is a device discovery message sent by the second node; or the fourth message is a message that is scrambled by the network identifier of the first node. Still further, the fourth message may also be a paging message.
  • the fourth message includes: a network identifier of the first node; or, the fourth message is a device discovery message; or the fourth message is that the The first node's network identifies the scrambled message.
  • Step S209 The first node receives the fourth message sent by the second node.
  • the first node receives the fourth message sent by the second node before, after or at the same time, the fourth node is used to indicate that the first node performs D2D communication with the second node; Or the fourth message is used to wake up the first node and instruct the first node to perform D2D communication with the second node; or the fourth message is used to indicate that the first node accesses the network or accesses the third node, and the third node is the first node. Or the service site of the second node. That is, at this time, the second node issues a prompt to the first node, and needs to perform D2D communication with the first node.
  • the fourth message is used to indicate that the first node performs D2D communication with the second node; or the fourth message is used to wake up the first node and instruct the first node to perform D2D communication with the second node, the first node and the second node D2D communication is performed; wherein the D2D communication includes data communication and/or data communication.
  • the first node accesses the network or accesses a certain base station; after selecting the ground, after accessing the third network, the first node maintains the first node and the second node. a D2D connection; or, the first node releases a D2D connection between the first node and the second node;
  • the first node When the fourth message is used to indicate that the first node accesses the third node, the first node is a third node, and the third node is a service node of the first node or the second node.
  • the first node after accessing the third node, the first node maintains a D2D connection between the first node and the second node; or the first node releases the D2D connection between the first node and the second node;
  • the fourth message may include: an identifier of the first node, a system information update indication, system information, a paging indication, a service type of the third node, and a service priority of the third node.
  • Step S210 The first node sends a fifth message to the second node.
  • the first node sends a fifth message to the second node, where the fifth message includes, to indicate that the first node accesses the third node successfully or accesses
  • the third node fails, or includes indicating that the first node accesses the network successfully or fails to access the network.
  • the fourth message may include: a network identifier of the first node; or the fourth message is a device discovery message; or the fourth message is a message that is scrambled by the network identifier of the first node.
  • the signaling in all embodiments of the present invention includes, but is not limited to, a paging message, a system message, a transmitted synchronization signal, or a reconfiguration message.
  • the information in all embodiments of the invention includes signaling and/or data.
  • the D2D communication device includes a first node, or other D2D device synchronized with the first node, or a D2D device having the same synchronization source as the first node.
  • D2D discontinuous transmission mentioned in the present invention refers to the discontinuous transmission between the first node and the second node, which is mentioned in the present invention.
  • “Discontinuous transmission between the second node and the first node” is equivalent to “discontinuous transmission of D2D between the second node and the first node", which is equivalent to "the second node and the first node perform device-to-device D2D" "Discontinuous transmission” and vice versa, the subsequent corresponding concepts will not be described again.
  • FIG. 3 is a schematic flowchart of a communication method in the embodiment of the present invention, which can be applied to the D2D communication system described in FIG. 1 , and will be followed from the first node (Remote UE) and the second in conjunction with FIG. 3 .
  • the interaction side of the node (Relay UE) and the third node (base station) is described, wherein the second node is a node that provides a relay service for the first node or provides a relay service for the first node and the third node, and a third A node is a service site of a first node or a second node.
  • the method may include the following steps S301-S306, and further may further include steps S307-S315.
  • Step S301 The third node sends a sixth message to the second node.
  • the sixth message includes discontinuous transmission configuration information, where the sixth message is used by the second node to perform device-to-device D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information, where The first node is a node that receives and performs D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information. That is, the discontinuous transmission configuration information used for the discontinuous transmission of D2D between the first node and the second node is generated by the third node configuration.
  • Step S302 The second node receives the sixth message sent by the third node.
  • Step S303 The second node sends the first message to the first node according to the sixth message.
  • the second node may send the first message to the first node according to the discontinuous transmission configuration information in the sixth message, where the first message is used to include The discontinuous transmission configuration information is used for discontinuous transmission between the second node and the first node.
  • Step S304 The first node receives the first message, where the first message includes discontinuous transmission configuration information.
  • Step S305 The first node performs discontinuous transmission of the device to the device D2D according to the discontinuous transmission configuration information, where the second node is configured according to the discontinuous transmission configuration information.
  • the present invention refers to "the first node performs device-to-device D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information", which is equivalent to "the first The two nodes perform discontinuous transmission with the second node according to the discontinuous transmission configuration information;
  • the “first node performs the device-to-device D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information" as mentioned in the present invention, which is equivalent to "the first node performs non-continuous transmission configuration information with the second node. Continuous transmission”;
  • the “first node performs discontinuous transmission of the device to the device D2D according to the discontinuous transmission configuration information according to the non-continuous transmission configuration information", and the first node performs the device-to-device with the second node according to the discontinuous transmission configuration information.
  • the "first node performs discontinuous transmission with the second node according to the discontinuous transmission configuration information" mentioned in the present invention includes the first node performing discontinuous transmission and/or reception with the second node according to the discontinuous transmission configuration information;
  • Discontinuous transmission in the present invention includes discontinuous transmission of messages and/or data.
  • the message may include a message (eg, a second message, a third message, a fourth message, or a fifth message, etc.) enumerated by the present invention, but is not limited to the messages listed in the present invention;
  • Discontinuous reception in the present invention includes discontinuous reception of messages and/or data.
  • the message may include a message (e.g., a second message, a third message, a fourth message, or a fifth message, etc.) enumerated by the present invention, but is not limited to the messages enumerated herein.
  • the second message, the third message, the fourth message, and the fifth message listed in the present invention are not necessarily transmitted in a discontinuous transmission period according to the discontinuous transmission configuration.
  • Step S306 The second node performs device-to-device with the first node according to the discontinuous transmission configuration information.
  • the first node is a node that receives and performs D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information.
  • the second node receives the message sent by the first node according to the discontinuous transmission configuration information, and may be: the second node receives the first node according to the discontinuous transmission configuration information.
  • the second node sends a message to the first node according to the discontinuous transmission configuration information, where the second node sends the second message to the first node according to the discontinuous transmission configuration information. , or the fourth message.
  • the second node receives the data sent by the first node according to the discontinuous transmission configuration information, and may be: the second node receives the first node according to the discontinuous transmission configuration information. The data sent. And sending, by the second node, data to the first node according to the discontinuous transmission configuration information, where the second node sends data to the first node according to the discontinuous transmission configuration information.
  • step S304 to step S306 can refer to step S204 to step S203 in the foregoing embodiment of FIG. 2, and details are not described herein again.
  • Step S307 The third node sends a second message to the first node.
  • Step S308 The first node receives the second message sent by the third node.
  • Step S309 The first node replies to the third node with a third message.
  • Step S310 The third node receives the third message replied by the first node.
  • step S307 to step S310 may refer to step S201 to step S207 in the foregoing embodiment of FIG. 2, except that the second node sends the second message instead of sending the second message by the third node, and receiving the second node.
  • the action of the third message is replaced by receiving the third message by the third node, and the method and principle are the same, and details are not described herein again.
  • Step S311 The third node sends an eighth message to the second node.
  • the eighth message is used to page the first node; or the eighth message is used to page the first node to access the network; or the eighth message is used to indicate that the second node is connected Entering a network to provide a communication service for the first node; or the eighth message is used to instruct the second node to page the first node, and for the first node and the third node Provide relay service.
  • Step S312 The second node receives the eight messages sent by the third node.
  • FIG. 3A is based on base station searching. Schematic diagram of message transmission and reception based on the call period.
  • the third node (base station) in FIG. 3A sends the eighth node to the second node in the paging cycle of the interface (Uu port) between the third node and the second node.
  • the message eg, the eighth message is a paging message for paging the first node.
  • the non-contiguous transmission period of the interface between the second node and the first node (PC5 port) is designed, and the second node can set the Pc5 port to the first node according to the paging cycle of the third node sending the eighth message.
  • a discontinuous transmission period of transmitting a fourth message (the second node sends a fourth message to the first node according to the eighth message). Since the second node receives and parses out the eighth message sent by the third node, it takes a certain time, so the start time of the fourth message sent by the second node can be performed at a certain time of the paging cycle. Delay delay, that is, the second node can know that the third node needs to page or indicate the first node at the first time, and promptly informs the first node to perform corresponding action feedback. In this way, the second node and the third node can be fully brought into a sleep state when there is no data, and when there is data demand, the user can wake up in time to save the second node and the third node.
  • the message listening time and power consumption not only saves the power consumption overhead of each node from the system level, but also allows the message of the third node to be transmitted between the second node and the third node in time in the transmission time.
  • the overall transmission efficiency of the communication system may also be an integer multiple of the paging period, that is, the timeliness of the message acquisition is sacrificed, and the power consumption of the second node and the third node is further reduced.
  • Figure 3A illustrates discontinuous transmission between a first node and a second node, in particular for a second node, the first node receiving a second node to send a message. In fact, correspondingly, for the first node to send a message, the second node receives the message sent by the first node, which is also applicable.
  • the present invention is not exemplified.
  • the second node in FIG. 3B is a wake-up in the DRX cycle of the Uu port, and listens to the third node to transmit the eighth message or data in the duration time.
  • the second node is able to quickly get the Uu port
  • the message and/or data are delivered to the first node as soon as possible.
  • the design of the discontinuous transmission cycle of the PC5 port is: the second node Uu port DRX cycle sets the discontinuous transmission period of the PC5.
  • the second node Since the second node receives and parses the message (for example, the eighth message) or the data sent by the third node, it takes a certain time, so the message sent by the second node to the first node (for example, the fourth message) or the discontinuity of the data may be
  • the period of the transmission is based on the DRX period and delays a certain delay delay. That is, the second node can learn that the third node needs to page or indicate the first node at the first time, and notify the first node to perform corresponding action in time. Feedback. In this way, the second node and the third node can be fully brought into a sleep state when there is no data, and when there is data demand, the user can wake up in time to save the second node and the third node.
  • the message listening time and power consumption not only saves the power consumption overhead of each node from the system level, but also allows the message of the third node to be transmitted between the second node and the third node in time in the transmission time.
  • the overall transmission efficiency of the communication system may also be an integer multiple of the DRX cycle, that is, the timeliness of the message acquisition is sacrificed, and the power consumption of the second node and the third node is further reduced.
  • the discontinuous transmission period T1 of the PC5 port in FIG. 3B is T_Relay_DRX
  • the time duration of the first node waking up ie, the length of time waking up during the discontinuous transmission period T1, PC5_DurationTime
  • the time duration of the wakeup of the first node of the PC5 and the time duration of the wakeup of the second node of the Uu port are not necessarily the same. Need the same length. T1 does not have to be equal to T_Relay_DRX.
  • FIG. 3B is only an example of the data of the first node of the PC5 port receiving the second node according to the discontinuous transmission configuration. Similarly, the first node sends data to the second node according to the discontinuous transmission configuration, and the same applies. I will not draw examples here.
  • FIG. 3A and FIG. 3B illustrate how the second node performs the discontinuous transmission with the first node when the Uu port is in an idle state or is not continuously received.
  • the second node can support multiple terminal devices while providing non-continuous transmission services for multiple terminal devices. For example, for the first node UE1 and the first node UE2, the second node performs discontinuous transmission with the first node UE1 according to the discontinuous transmission configuration 1, and the second node performs discontinuous transmission with the first node UE2 according to the discontinuous transmission configuration 2.
  • the discontinuous transmission configuration 1 and the discontinuous configuration 2 may be the same or may be different.
  • the second node For the case of supporting multiple first nodes, due to different discontinuous transmissions In the transmission configuration, the second node only needs to send and/or receive messages to and send and/or receive data according to different discontinuous transmission configurations. There is even a phenomenon that the second node is always in the connected state at the Uu port and communicates with the base station; since the plurality of different first nodes are supported, the second node can remain in the awake state (working state) for the PC5 port, Different communication with different first nodes according to different discontinuous transmission configurations realizes the effect that the first node reduces power consumption and provides D2d communication efficiency.
  • Step S313 The second node sends a fourth message to the first node according to the eighth message.
  • the second node after receiving the eighth message sent by the third node, the second node sends a fourth message to the first node, where, when the eighth message is used to page the first node, the The fourth message is used to page the first node to access the network, or to page the first node to access the third node, or to instruct the first node to communicate with the second node;
  • the fourth message is used to page the first node to access the network, or to page the first node to access the Third node;
  • the fourth message is used to indicate The first node performs D2D communication with the second node.
  • the second node performs discontinuous transmission of the device to the device D2D with the first node according to the discontinuous transmission configuration information, and the second node sends a message to the first node according to the discontinuous transmission configuration information. / or data.
  • the “the second node sends a message to the first node according to the discontinuous transmission configuration information” includes the second node sending a fourth message to the first node according to the discontinuous transmission configuration information (for example, the second message may also be sent) ).
  • Step S314 The first node receives the fourth message sent by the second node.
  • the fourth message is used to indicate that the first node performs D2D communication with the second node; or the fourth message is used to wake up the first node and instruct the first node to perform D2D communication with the second node, the first node and the first node
  • the two nodes perform D2D communication; wherein the D2D communication includes data communication and/or data communication.
  • the present invention specifically implements how the "the second node sends a message to the first node according to the discontinuous transmission configuration information" is implemented by transmitting the fourth message according to the discontinuous transmission configuration information.
  • the fourth message is sent on a discontinuous transmission period
  • the first node is in the The specific calculation method of the discontinuous transmission period T1 of the discontinuous transmission reception of the PC5 interface (based on the paging cycle configuration of the second node paging by the base station):
  • T1 M*T_Relay_Paging, where T_Relay_Paging is a paging cycle in which the second node receives a base station page on the Uu port (the interface between the base station and the second node).
  • M is a number greater than 0, such as a natural number greater than zero.
  • the specific calculation manner of the starting time PC5_StartOffset of the first node to transmit in the discontinuous transmission period T1 may be any one of the following calculation manners:
  • the second node After receiving the paging message (for example, the eighth message) sent by the third node, the second node sends the fourth message to the first node as soon as possible, and the first node can also receive the second node at this time. After the paging message sent by the third node, wake up as soon as possible to quickly obtain an indication to access the network or perform data communication with the base station through the second node.
  • the paging message for example, the eighth message
  • the calculation of the PF and the PO may provide the paging configuration to the UE along with the prior art base station, and calculate the PF and PO for paging the UE.
  • the paging configuration to be obtained to calculate the PF and PO includes the IMSI, T1, nB of the Relay UE.
  • N can be calculated by obtaining nB, and then the result of (UE_ID mod N) is calculated as A and (T1div N) is B, (UE_ID mod N)*(T1div N The result is C. Then the Remote UE obtains the following configuration through the Relay or the base station.
  • the Remote UE can obtain the PO through the table content, or directly obtain the configuration information of which subframe the PO is.
  • the discontinuous transmission configuration includes at least one of the following: the UE performs a discontinuous transmission period T at the PC5 port, a discontinuous transmission start time PC5_StartOffset, and a length of time waking up in the discontinuous transmission period, PC5_DurationTime;
  • the discontinuous transmission configuration may include at least one of the following: T_Relay_Paging is a paging period in which the second node receives a base station paging on a Uu interface (an interface between a base station and a second node); and Relay_PO (for paging) The starting time of the paging subframe of the second node, or the starting moment of paging the paging subframe of the first node; Relay_PF (for paging the paging radio frame of the second node) The start time, or Relay_PF is the start time of paging the paging radio frame of the first node; parameter M, the Relay UE receives the paging cycle of the base station paging (T_Relay_Paging) on the Uu interface, parameter A, parameter N, Parameter B, parameter C, parameter Ns parameter i_s, parameter delay.
  • T_Relay_Paging is a paging period in which the second node receives a base station paging
  • the fourth message is sent on the discontinuous transmission period, and specifically may be a specific calculation manner in which the first node performs the discontinuous transmission period T1 on the PC5 interface: the first node performs discontinuity on the PC5 interface.
  • the specific calculation method of the transmission period T1 (the unit of T1 is ms or subframe) is any of the following calculation methods:
  • T1 N1*T_Discovery, where T_Discovery is a discovery device period for D2D communication of the first node, and N1 is a number greater than 0;
  • the second node transmits data and/or messages belonging to the first node in the T1 period.
  • the message may for example be a fourth message.
  • the first node listens to its own data and/or message during the T1 period, for example the message may be a fourth message.
  • the second node transmits data and/or messages belonging to the first node within a preset subinterval within the T1 period.
  • the preset subinterval within the T1 period is within a preset time domain and/or frequency domain within the T1 period.
  • the first node wakes up in the preset time domain and/or frequency domain within the T1 period to listen to data and/or messages belonging to itself, for example, the message Is the fourth message, if the second node in the sub-interval sends a fourth message to the first node, the first node can receive the fourth message.
  • FIG. 3C FIG.
  • 3C is a schematic diagram of preset time-frequency resources in a time-frequency resource of a Discovery cycle, where a white rectangle is a time-frequency resource of a Discovery cycle, and a gray rectangle in a white rectangle is a first node receiving a second node.
  • the preset time-frequency resource in the Discovery cycle used when sending the fourth message.
  • the fourth message may be within a certain sub-interval of the Discovery message sending period, thereby saving time for the first node to listen to the fourth message and reducing energy consumption.
  • the existing Discovery technology is used, and this method does not affect the existing UE that listens to the regular Discovery message.
  • the first node When the first node detects that a Discovery message includes the first node identifier, it explicitly indicates that the message is sent by the second node to the first node. At the same time, the Discovery message of the first node is included, and optionally, it can be used as a regular discvoery message by other D2D terminals for D2D device discovery.
  • the fourth message is used to indicate that the first node performs D2D communication with the second node; or the fourth message is used to wake up the first node and instruct the first node to perform D2D communication with the second node, the first node and the second node D2D communication is performed; wherein the D2D communication includes data communication and/or data communication.
  • the first node accesses the network or accesses a certain base station; optionally, after accessing the third network, the first node maintains the first node and the second node a D2D connection between the two; or, the first node releases the D2D connection between the first node and the second node;
  • the first node accesses the third node, and the third node is the service node of the first node or the second node.
  • the first node maintains a D2D connection between the first node and the second node; or the first node releases the D2D connection between the first node and the second node;
  • the fourth message may include: an identifier of the first node, a system information update indication, system information, a paging indication, a service type of the third node, and a service priority of the third node.
  • T1 N2*T_communication, where T_communication is a D2D communication cycle for D2D communication of the first node, and N2 is a number greater than 0;
  • the fourth message is a D2D communication message.
  • T1 K*T_Relay_DRX, where T_Relay_DRX is a DRX cycle in which discontinuous reception is performed between the second node and the third node, and K is a number greater than 0.
  • T1 calculation method 4 Define an independent periodic configuration T (the first node performs the DRX cycle T on the PC5 port)
  • T1 T_PC5
  • the specific calculation manner of the starting time PC5_StartOffset for the first node to transmit in the discontinuous transmission period T1 may be any of the following calculation manners:
  • the SFN is a system frame number
  • the subframe number is a subframe number
  • T1 is a discontinuous transmission period T1.
  • the SFN is a system frame number
  • the subframe number is a subframe number
  • T1 is a discontinuous transmission period T1.
  • Yth subframes PC5_StartOffset, where Y is greater than or equal to zero.
  • the first section sends a fifth message according to the discontinuous transmission configuration, with reference to the above specific description about the first node receiving the fourth message according to the discontinuous transmission configuration.
  • Step S315 Optionally, the first node sends a fifth message to the second node.
  • the first node after receiving the fourth message sent by the second node, the first node optionally feeds back the related result to the second node, that is, sends a fifth message to the second node, where the fifth message includes Instructing the first node to access the third node successfully or failing to access the third node, or
  • the method is configured to indicate that the first node accesses the network successfully or fails to access the network, so as to let the second node know the access status of the current node or the current node of the first node.
  • the first node performs discontinuous transmission of the device to the device D2D according to the discontinuous transmission configuration information, and the first node sends a message to the second node according to the discontinuous transmission configuration information. / or data. Specifically, the “the first node sends a message to the second node according to the discontinuous transmission configuration information”, where the second node sends the fifth message to the first node according to the discontinuous transmission configuration information (for example, the third message may also be sent). ).
  • FIG. 4 it is a schematic flowchart of still another communication method in the embodiment of the present invention, which can be applied to the D2D communication system described in FIG. 1 above, and will be referred to from the first node (Remote UE),
  • the interaction between the two nodes (Relay UE) and the third node (base station) is described, wherein the second node is a node that provides a relay service for the first node or provides a relay service for the first node and the third node,
  • the three nodes are service sites of the first node or the second node.
  • the method may include the following steps S401 to S406.
  • Step S401 The third node sends the first message to the first node.
  • the base station sends a first message to the first node, where the first message includes discontinuous transmission configuration information, where the first message is used by the first node to perform the second node according to the discontinuous transmission configuration information.
  • the first message includes discontinuous transmission configuration information
  • the first message is used by the first node to perform the second node according to the discontinuous transmission configuration information.
  • Discontinuous transmission of device to device D2D wherein the second node is a node that performs D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information.
  • Step S402 The first node receives the first message, where the first message includes discontinuous transmission configuration information.
  • Step S403 Optionally, the third node sends a sixth message to the second node.
  • the third node can directly send the sixth node to the second node. a message, and the sixth message includes the discontinuous transmission configuration information in the first message, and the second node performs D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information.
  • Step S404 Optionally, the second node receives the sixth message sent by the third node.
  • the second node may perform the sixth cancellation according to the sixth message.
  • the non-continuous transmission configuration information included in the information is discontinuously transmitted by the first node with D2D.
  • Step S405 The first node performs discontinuous transmission of the device to the device D2D with the second node according to the discontinuous transmission configuration information.
  • Step S406 The second node performs discontinuous transmission of the device to the device D2D with the first node according to the discontinuous transmission configuration information.
  • step S405 to step S406 may refer to step S202 to step S203 in the foregoing embodiment of FIG. 2, and details are not described herein again.
  • the embodiment of the present invention may further include some or all of the steps S204 to S210 in the embodiment of FIG. 2, and/or include some or all of steps S307 to S315 in the embodiment of FIG. Steps, no more details here.
  • FIG. 5 is a schematic flowchart of still another communication method in the embodiment of the present invention, which can be applied to the D2D communication system described in FIG. 1 above, and will be referred to from the first node (Remote UE),
  • the interaction between the two nodes (Relay UE) and the third node (base station) is described, wherein the second node is a node that provides a relay service for the first node or provides a relay service for the first node and the third node,
  • the three nodes are service sites of the first node or the second node.
  • the method may include the following steps S501 to S506.
  • Step S501 The second node sends a first message to the first node.
  • the first message used to indicate that the first node performs discontinuous transmission of the device to the device D2D according to the discontinuous transmission configuration information and the second node may be directly used by the second node. Generating and transmitting directly to the first node, the first message including the discontinuous transmission configuration information.
  • Step S502 The first node receives the first message, where the first message includes discontinuous transmission configuration information.
  • Step S503 The second node sends a seventh message to the third node.
  • the second node sends a seventh message to the third node before, after, or at the same time as the first message is sent to the first node, where the seventh message includes the discontinuous transmission configuration information, and is used to notify the
  • the second node performs D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information, that is, let the base station know that the D2D discontinuity is performed between the second node and the first node.
  • the relevant parameters used for transmission are convenient for the base station to regulate the first node or the second node.
  • Step S504 The third node receives the seventh message sent by the second node.
  • the third node after receiving the seventh message sent by the second node, stores the message, so that the third node needs to communicate with the first node or the second node according to the discontinuity in the seventh message.
  • the configuration information is transmitted, and reasonable paging is performed in a corresponding time period to avoid waste of communication resources and improve communication efficiency.
  • Step S505 The first node performs discontinuous transmission of the device to the device D2D according to the discontinuous transmission configuration information, where the second node is configured according to the discontinuous transmission configuration information and the first node.
  • Step S506 The second node performs discontinuous transmission of the device to the device D2D according to the discontinuous transmission configuration information, where the first node receives and performs D2D with the second node according to the discontinuous transmission configuration information. The node of the discontinuous transmission.
  • step S304 to step S306 may refer to step S204 to step S203 in the foregoing embodiment of FIG. 1, and details are not described herein again.
  • the embodiment of the present invention may further include some or all of the steps S204 to S210 in the embodiment of FIG. 2, and/or include some or all of steps S307 to S315 in the embodiment of FIG. Steps, no more details here.
  • the specific content of the discontinuous transmission configuration information may include a plurality of parameters or information, and further, due to the role of the discontinuous transmission configuration information, the D2D device may be Receiving and receiving receipts in a certain period of time, specifically including the start time of the cycle, and the time of waking up in the cycle, etc., therefore, the D2D communication interface between the first node and the second node
  • the discontinuous transmission configuration information includes at least one of the following information:
  • the first node performs a discontinuous transmission period T1 on the PC5 interface
  • the waiting time of the first node receiving the data retransmission scheduling on the PC5 interface is PC5_DRX Retransmission Timer
  • the present invention provides a possible implementation manner, but is not limited to the implementations listed below.
  • the unit of T1 is ms or a subframe.
  • the specific calculation manner of the discontinuous transmission period T1 of the first node on the PC5 interface is any one of the following calculation methods:
  • the period T1 in which the PC5 interface performs discontinuous transmission is obtained according to the discovery equipment period of the D2D communication;
  • the period T1 in which the PC5 interface performs discontinuous transmission is obtained according to a communication cycle of D2D communication;
  • the period T1 in which the PC5 interface performs discontinuous transmission is obtained according to a paging cycle
  • the period T1 in which the PC5 interface performs discontinuous transmission is obtained according to the DRX cycle.
  • the period T1 in which the PC5 interface performs discontinuous transmission is obtained according to the DTX period.
  • the period T1 for "discontinuous transmission of the PC5 interface is obtained according to a paging cycle";
  • the paging period may be a paging period of the first node, or a seek of the second node. Call cycle.
  • the paging period of the first node may be a period in which the first node receives the paging message under the cellular network;
  • the paging period of the second node may be a period in which the second node receives the paging message under the cellular network.
  • the period T1 for "discontinuous transmission of the PC5 interface is obtained according to a DRX cycle", and the DRX cycle may be a DRX cycle of the first node, or a second node DRX cycle.
  • the DRX period of the first node may be a period in the cellular network in which the first node is discontinuously received within the serving cell or within the base station.
  • the period T1 for "discontinuous transmission of the PC5 interface is obtained according to a DTX period"
  • the DTX (discontinuous transmission) period may be a DTX period of the first node, or a DTX period of the second node .
  • the DTX period of the first node may be a period in the cellular network in which the first node is not continuously transmitted within the serving cell or within the base station.
  • T1 may be any one of the following, but is not limited to the categories listed below:
  • T1 N1*T_Discovery, where T_Discovery is a discovery device period for D2D communication of the first node, and N1 is a number greater than 0;
  • T1 N2*T_communication, where T_communication is a D2D communication cycle for D2D communication of the first node, and N2 is a number greater than 0;
  • T1 K*T_Relay_DRX, where T_Relay_DRX is a DRX cycle in which discontinuous reception is performed between the second node and the third node, and K is a number greater than 0.
  • T1 calculation method 4 Define an independent periodic configuration T (the first node performs the DRX cycle T on the PC5 port)
  • T1 T_PC5
  • the specific calculation manner of the starting time PC5_StartOffset for the first node to transmit in the discontinuous transmission period T1 may be any of the following calculation manners:
  • the PC5_StartOffset is obtained according to the start time of the DRX of the Uu port;
  • the PC5_StartOffset is obtained according to a starting moment of paging the paging radio frame of the second node
  • the PC5_StartOffset is obtained according to a starting moment of paging the paging radio frame of the first node
  • the PC5_StartOffset is obtained according to a paging moment of paging the paging subframe of the second node
  • PC5_StartOffset T1 may be any one of the following, but is not limited to the categories listed below:
  • the SFN is a system frame number
  • the subframe number is a subframe number
  • T1 is a discontinuous transmission period T1.
  • the SFN is a system frame number
  • the subframe number is a subframe number
  • T1 is a discontinuous transmission period T1.
  • Yth subframes PC5_StartOffset, where Y is greater than or equal to zero.
  • the discontinuous transmission period T1 is calculated in the manner 5: (based on the paging cycle configuration of the second node paging the second node):
  • T1 M*T_Relay_Paging, where T_Relay_Paging is a paging cycle in which the second node receives a base station page on the Uu port (the interface between the base station and the second node).
  • M is a number greater than 0, such as a natural number greater than zero.
  • the specific calculation manner of the starting time PC5_StartOffset of the first node to transmit in the discontinuous transmission period T1 may be any one of the following calculation manners:
  • the second node After receiving the paging message (for example, the eighth message) sent by the third node, the second node sends the fourth message to the first node as soon as possible, and the first node can also receive the second node at this time. After the paging message sent by the third node, wake up as soon as possible to quickly obtain an indication to access the network or perform data communication with the base station through the second node.
  • the paging message for example, the eighth message
  • the calculation of the PF and the PO may provide the paging configuration to the UE along with the prior art base station, and calculate the PF and PO for paging the UE.
  • the paging configuration to be obtained to calculate the PF and PO includes the IMSI, T1, nB of the Relay UE.
  • N can be calculated by obtaining nB, and then the result of (UE_ID mod N) is calculated as A and (T1div N) is B, (UE_ID mod N)*(T1div N The result is C. Then the Remote UE obtains the following configuration through the Relay or the base station.
  • the Remote UE can obtain the PO through the table content, or directly obtain the configuration information of which subframe the PO is.
  • the discontinuous transmission configuration includes at least one of the following: the UE performs a discontinuous transmission period T at the PC5 port, a discontinuous transmission start time PC5_StartOffset, and a length of time waking up in the discontinuous transmission period, PC5_DurationTime;
  • the discontinuous transmission configuration may include at least one of the following: T_Relay_Paging is a paging period in which the second node receives a base station paging on a Uu interface (an interface between a base station and a second node); and Relay_PO (for paging) The starting time of the paging subframe of the second node, or the starting moment of paging the paging subframe of the first node; Relay_PF (for paging the paging radio frame of the second node) The start time, or Relay_PF is the start time of paging the paging radio frame of the first node; parameter M, the Relay UE receives the paging cycle of the base station paging (T_Relay_Paging) on the Uu interface, parameter A, parameter N, Parameter B, parameter C, parameter Ns parameter i_s, parameter delay.
  • T_Relay_Paging is a paging period in which the second node receives a base station paging
  • the first message includes at least one of the following: an identifier of the first node, an identifier of the third node, a system information update indication, system information, and a search
  • the second message includes at least one of the following: an identifier of the first node, an identifier of the third node, a system information update indication, system information, and a search
  • the fourth message includes at least one of the following: an identifier of the first node, an identifier of the third node, an indication of system information update, system information, and a search
  • the sixth message includes at least one of the following: an identifier of the first node, an identifier of the third node, an indication of system information update, system information, and a search
  • the eighth message includes at least one of the following: an identifier of the first node, an identifier of the third node, an indication of system information update, system information, and a search The call indication, the service type of the third node, and the service priority of the third node.
  • the ninth message includes at least At least one of the following: an identifier of the first node, an identifier of the third node, a system information update indication, system information, a paging indication, a service type of the third node, and a service priority of the third node.
  • the terminal device that performs the D2D communication is configured to perform the discontinuous transmission, so that the Remote UE may not need to be in the listening state all the time, and can perform data transmission with the base station through the Relay UE at any time to reduce the power consumption.
  • the non-continuous Uu port data/message is also implemented in the embodiment of the present invention, and the second node is quickly transmitted to the first node on the PC5 interface, which not only ensures the low power consumption of the first node, but also further improves the D2D communication. s efficiency.
  • FIG. 6 is a schematic structural diagram of a communication device according to an embodiment of the present invention.
  • the structure of the communication device 10 will be described in detail below with reference to FIG. .
  • the device 10 can include: a first receiving module 101 and a transmission module 102, wherein
  • the first receiving module 101 is configured to receive a first message, where the first message includes discontinuous transmission configuration information;
  • the transmitting module 102 is configured to perform discontinuous transmission of the device to the device D2D with the second node according to the discontinuous transmission configuration information, where the second node is to provide a relay service for the first node or The first node and the third node provide a node for relay service, and the third node is a service site of the first node or the second node.
  • the transmission module 102 is specifically configured to:
  • the device further includes a second receiving module 103, wherein
  • a second receiving module 103 configured to receive a second message sent by the second node or a third node, where the third node is a service station of the first node or the second node, and the second message is And indicating that the first node resides under the second node, or indicates that the first node is in a low configuration mode, or indicates that the first node is in a high configuration mode, or indicates that the first node receives a paging message from the second node, or instructing the first node to receive a system message, or instructing the first node to receive synchronization information, or instructing the first node to start discontinuous according to a discontinuous transmission configuration transmission.
  • the communication device 10 is presented in the form of a module.
  • a “module” herein may refer to an application-specific integrated circuit (ASIC), a processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or other devices that provide the above functionality.
  • the transmission module 102 can be implemented by the processing unit 401 of the terminal device shown in FIG. 9, and the first receiving module 101 and the second receiving module 103 can be implemented by the input unit 401 of the terminal device shown in FIG.
  • FIG. 7 is a schematic structural diagram of another communication device according to an embodiment of the present invention. The structure is described in detail.
  • the device 20 can include: a discontinuous transmission module 201, wherein
  • the discontinuous transmission module 201 is configured to perform discontinuous transmission of the device to the device D2D with the first node according to the discontinuous transmission configuration information, where the first node receives and according to the discontinuous transmission configuration information and the second node a node that performs discontinuous transmission of D2D; wherein the second node is a node that provides a relay service for the first node or provides a relay service for the first node and the third node, the third node Is the service node of the first node or the second node.
  • the discontinuous transmission module 201 is specifically configured to:
  • the device further includes a first sending module 202, wherein
  • the first sending module 202 is configured to send a first message to the first node, where the first message includes the discontinuous transmission configuration information, where the first message is used to indicate that the first node is according to the non-continuous Continuously transmitting configuration information and the second node performs a discontinuous transmission of the device to the device D2D.
  • the first sending module 202 is specifically configured to:
  • the sixth message includes discontinuous transmission configuration information
  • the third node sends a first message to the first node, where the first message includes the discontinuous transmission configuration information.
  • the device further includes a second sending module 203, wherein
  • a second sending module 203 configured to send a second message to the first node, where the second message is used to indicate that the first node resides under the second node, or that the first node is in a low configuration mode, or indicating that the first node is in a high configuration mode, or instructing the first node to receive a paging message from the second node, or instructing the first node to receive a system message, or indicating the first
  • the node receives the synchronization information or instructs the first node to begin discontinuous transmission according to the discontinuous transmission configuration.
  • modules in the communication device 20 may be corresponding to the specific implementation manners in the foregoing method embodiments in FIG. 1 to FIG. 5 , and details are not described herein again.
  • the communication device 20 is presented in the form of a module.
  • a “module” herein may refer to an application-specific integrated circuit (ASIC), a processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or other devices that provide the above functionality.
  • ASIC application-specific integrated circuit
  • the discontinuous transmission module 201 can be implemented by the processing unit 501 of the terminal device shown in FIG. 10, and the first transmitting module 202 and the second transmitting module 203 can be implemented by the output unit 502 of the terminal device shown in FIG.
  • FIG. 8 is a schematic structural diagram of still another communication device according to an embodiment of the present invention. The structure is described in detail.
  • the device 30 may include: a first sending module 301 or a second sending module 302 or a receiving module 303.
  • the first sending module 301 is configured to send a first message to the first node, where the first message includes discontinuous transmission configuration information, where the first message is used by the first node according to the discontinuous transmission configuration information
  • the second node performs discontinuous transmission of the device to the device D2D, wherein the second node is a node that performs D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information; or
  • a second sending module 302 configured to send a sixth message to the second node, where the sixth message includes discontinuous transmission configuration information, where the sixth message is used by the second node according to the discontinuous transmission configuration And performing, by the first node, a discontinuous transmission of the device to the device D2D, wherein the first node is a node that receives and performs D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information; or
  • the receiving module 303 is configured to receive a seventh message sent by the second node, where the seventh message includes discontinuous transmission configuration information, where the seventh message is used to notify the third node that the second node is according to the non-continuous Continuously transmitting configuration information to the first node for D2D discontinuous transmission, the third node being a service node of the first node or the second node, where the first node is received and according to the A node that discontinuously transmits configuration information and performs discontinuous transmission of D2D by the second node.
  • the device 30 may further include a third sending module 304, where
  • a third sending module 304 configured to send a second message to the first node, where the second message is used to indicate that the first node resides under the second node or the first node enters a low configuration mode, Or instructing the first node to enter a high configuration mode, or instructing the first node to receive a paging message from the second node, or instructing the first node to receive a system message, or instructing the first node to receive Synchronizing information, or triggering the first node to perform discontinuous transmission according to the discontinuous transmission configuration information.
  • the device 30 may further include a fourth sending module 305, where
  • a fourth sending module 305 configured to send an eighth message to the second node
  • the eighth message is used to page the first node.
  • the eighth message is used to page the first node to access the network.
  • the eighth message is used to indicate that the second node accesses a network, so as to provide a communication service for the first node;
  • the eighth message is used to instruct the second node to page the first node, and provide a relay service for the first node and the third node.
  • communication device 30 is presented in the form of a module.
  • a “module” herein may refer to an application-specific integrated circuit (ASIC), a processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or other devices that provide the above functionality.
  • ASIC application-specific integrated circuit
  • the first sending module 301 or the second sending module 302 or the receiving module 303 can be implemented by the processing unit 604 of the base station shown in FIG. 11 in combination with the output unit 602 or the input unit 601.
  • FIG. 9 is a terminal device 40 according to an embodiment of the present invention.
  • the terminal device 40 is a first node, and may include: an input unit 401, an output unit 402, a storage unit 403, and a processing unit 404.
  • the bus is used to implement the communication connection between the components.
  • the input unit 401 can be a touch panel of the terminal, and includes a touch screen and a touch screen for detecting an operation instruction on the touch panel of the terminal.
  • the output unit 402 can include a display of the terminal for outputting, displaying an image or data; the storage unit 403 may be a high-speed RAM display or a non-volatile memory, such as at least one disk display, and the storage unit 403 may be The selection may also be at least one display device located remotely from the aforementioned processing unit 401.
  • An operating system, a network communication module, a user interface module, and a data processing program may be included in the storage unit 403 as a computer display medium.
  • the storage unit 403 is configured to store program code
  • the processing unit 404 is configured to invoke the program code stored by the storage unit 403 to perform the following steps:
  • the processing unit 404 is configured to perform non-continuous transmission of the device to the device D2D according to the discontinuous transmission configuration information and the second node, specifically:
  • Messages and/or data are sent to the second node by the output unit 401 according to the discontinuous transmission configuration information.
  • processing unit 404 is further configured to:
  • a second message sent by the second node or the third node where the third node is a service station of the first node or the second node, and the second message is used by Instructing the first node to camp under the second node, or indicating that the first node is in a low configuration mode, or indicating that the first node is in a high configuration mode, or indicating that the first node receives from the first
  • the paging message of the two nodes or instructing the first node to receive the system message, or instructing the first node to receive synchronization information, or instructing the first node to start discontinuous transmission according to the discontinuous transmission configuration.
  • FIG. 10 is a terminal device 50 according to an embodiment of the present invention.
  • the second node of the terminal device 50 may include: an input unit 501, an output unit 502, a storage unit 503, and a processing unit 504.
  • the bus is used to implement the communication connection between the components.
  • the input unit 501 is specifically a touch panel of the terminal, and includes a touch screen and a touch screen for detecting an operation instruction on the touch panel of the terminal.
  • the output unit 502 may include a display of the terminal for outputting, displaying an image or data; the storage unit 503 may be a high-speed RAM display or a non-volatile memory, such as at least one disk display, and the storage unit 503 may be Optionally, at least one display device located away from the aforementioned processing unit 501 can also be selected.
  • An operating system, a network communication module, a user interface module, and a data processing program may be included in the storage unit 503 as a computer display medium.
  • the storage unit 503 is configured to store program code
  • the processing unit 504 is configured to invoke the program code stored by the storage unit 503 to perform the following steps:
  • the processing unit is configured to perform device-to-device D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information, specifically:
  • Messages and/or data are sent to the first node by the output unit 502 in accordance with the discontinuous transmission configuration information.
  • the processing unit is configured to: before the non-continuous transmission of the device to the device D2D by the first node according to the discontinuous transmission configuration information,
  • the configuration information performs a discontinuous transmission of the device to the device D2D with the second node.
  • the processing unit is configured to send the first message to the first node, specifically:
  • processing unit is further configured to:
  • the second message Sending, by the output unit 502, the second message to the first node, where the second message is used to indicate that the first node resides under the second node, or that the first node is in a low configuration Mode, or indicating that the first node is in a high configuration mode, or instructing the first node to receive a paging message from the second node, or instructing the first node to receive a system message, or instructing the first node to receive Synchronizing information, or instructing the first node to begin discontinuous transmission according to a discontinuous transmission configuration.
  • FIG. 11 is a base station 60 according to an embodiment of the present invention.
  • the node, the third node may include an input unit 601, an output unit 602, a storage unit 603, and a processing unit 604, in some embodiments of the invention.
  • the bus is used to implement the communication connection between the components.
  • the input unit 601 can be a touch panel of the terminal, and includes a touch screen and a touch screen for detecting an operation instruction on the touch panel of the terminal.
  • the output unit 602 can include a display of the terminal for outputting, displaying an image or data; the storage unit 603 may be a high-speed RAM display or a non-volatile memory, such as at least one disk display, and the storage unit 603 may be Optionally, at least one display device located away from the aforementioned processing unit 601 can also be selected.
  • An operating system, a network communication module, a user interface module, and a data processing program may be included in the storage unit 603 as a computer display medium.
  • the storage unit 603 is configured to store program code
  • the processing unit 604 is configured to invoke the program code stored by the storage unit 603 to perform the following steps:
  • the node performs discontinuous transmission of the device to the device D2D, wherein the second node is a node that performs D2D discontinuous transmission with the first node according to the discontinuous transmission configuration information;
  • a sixth message to the second node where the sixth message includes discontinuous transmission configuration information, where the sixth message is used by the second node according to the discontinuous transmission configuration information and the first
  • the node performs discontinuous transmission of the device to the device D2D, wherein the first node is a node that receives and performs D2D discontinuous transmission with the second node according to the discontinuous transmission configuration information; or
  • a seventh message sent by the second node where the seventh message includes discontinuous transmission configuration information, where the seventh message is used to notify the third node that the second node is according to the non-continuous Continuously transmitting configuration information to the first node for D2D discontinuous transmission, the third node being a service node of the first node or the second node, where the first node is received and according to the A node that discontinuously transmits configuration information and performs discontinuous transmission of D2D by the second node.
  • the processing unit is further configured to: :
  • the processing unit is further used to :
  • the eighth message is used to page the first node.
  • the eighth message is used to page the first node to access the network.
  • the eighth message is used to indicate that the second node accesses a network, so as to provide a communication service for the first node;
  • the eighth message is used to instruct the second node to page the first node, and provide a relay service for the first node and the third node.
  • FIG. 12 is a communication system according to an embodiment of the present invention.
  • the system 70 includes a base station 701, a first terminal device 702, and a second terminal device 703.
  • the base station 701 may be the communication device 30 in the foregoing embodiment of FIG. 9 or the base station 60 in the embodiment of FIG. 12; the first terminal device 702 may be the communication device 10 in the foregoing embodiment of FIG. 7 or the terminal device in the embodiment of FIG.
  • the second terminal device 703 may be the communication device 20 in the above-mentioned embodiment of FIG. 8 or the terminal device 50 in the embodiment of FIG. 11; it is understood that the system 40 in the embodiment of the present invention may further include a core.
  • Devices such as networks, servers, routing devices, switching devices, and service centers.
  • the functions of the base station 701, the first terminal device 702, and the second terminal device 703 in the communication system 70 may be corresponding to the specific implementation manners in the foregoing method embodiments in FIG. 1 to FIG. Narration.
  • FIG. 13 is a schematic structural diagram of still another embodiment of a terminal device according to an embodiment of the present invention.
  • the terminal device 80 can be a smart mobile terminal (such as a mobile phone).
  • the terminal device 80 includes: a radio frequency (RF) circuit 801, a storage unit 802 storing one or more computer programs, an input device 803, and an output device. 804, sensor 805, audio circuit 806, wireless fidelity (WiFi) module 807, processor 808 including one or more processing cores, and power supply 803 and the like.
  • RF radio frequency
  • WiFi wireless fidelity
  • FIG. 13 does not constitute a limitation of the terminal device, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements. among them:
  • the RF circuit 801 can be used for receiving and transmitting signals during and after receiving or transmitting information, and in particular, receiving downlink information of the base station and then processing it by one or more processors 808; in addition, transmitting data related to the uplink to the base station .
  • the RF circuit 801 includes, but is not limited to, an antenna, at least one amplifier, a tuner, one or more oscillators, a subscriber identity module (SIM) card, a transceiver, a coupler, a low noise amplifier ( English: low noise amplifier, LNA), duplexer, etc.
  • SIM subscriber identity module
  • the RF circuit 801 can also communicate with a network or other terminal device through wireless communication.
  • the wireless communication may use any communication standard or protocol, including but not limited to global system of mobile communication (GSM), general packet radio service (GPRS), code division. Code division multiple access (CDMA), wideband code division multiple access (WCDMA), long term evolution (LTE), e-mail, short message service (English) :short messaging service,SMS), etc.
  • GSM global system of mobile communication
  • GPRS general packet radio service
  • CDMA Code division multiple access
  • WCDMA wideband code division multiple access
  • LTE long term evolution
  • e-mail e-mail
  • SMS short message service
  • Memory 802 can be used to store computer programs and modules, and processor 808 executes various functional applications and data processing by running computer programs and modules stored in memory 802.
  • the memory 802 can mainly include a storage program area and a storage data area, wherein the storage program area can store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area can be stored according to The data created by the use of the terminal device 80 (such as photographed photos, audio data, video data, etc.) and the like.
  • memory 802 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, memory 802 may also include a memory controller to provide access to memory 802 by processor 808 and input device 803.
  • Input device 803 can be used to receive input numeric or character information, as well as to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function controls.
  • input device 803 can include touch-sensitive surface 8031 and other input devices 8032.
  • Touch-sensitive surface 8031 also referred to as a touch display panel or trackpad, can collect touch operations on or near the user (eg, the user uses a finger, stylus, etc., any suitable object or accessory on touch-sensitive surface 8031 or The operation near the touch-sensitive surface 8031) and driving the corresponding connecting device according to a preset program.
  • the touch sensitive surface 8031 can include two portions of a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 808 is provided and can receive commands from the processor 808 and execute them.
  • the touch sensitive surface 8031 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input device 803 can also include other input devices 8032.
  • other input devices 8032 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • Output device 804 can be used to display information entered by the user or information provided to the user and various graphical user interfaces of terminal device 80, which can be constructed from graphics, text, icons, video, and any combination thereof.
  • the output device 804 can include a display panel 8041.
  • the display panel 8041 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the touch-sensitive surface 8031 can cover the display panel 8041, and when the touch-sensitive surface 8031 detects a touch operation thereon or nearby, it is transmitted to the processor 808 to determine the type of the touch event, and then the processor 808 according to the touch event The type provides a corresponding visual output on display panel 8041.
  • touch-sensitive surface 8031 and display panel 8041 are implemented as two separate components to implement input and input functions, in some embodiments, touch-sensitive surface 8031 can be integrated with display panel 8041 for input. And output function.
  • Terminal device 80 may also include at least one type of sensor 805, such as a distance sensor, a light sensor, a motion sensor, and other sensors.
  • the distance sensor is configured to detect a distance between the screen of the terminal device and an object covering the terminal device
  • the light sensor is configured to detect an optical signal of an environment external to the terminal device.
  • the gravity acceleration sensor can detect in all directions (usually three-axis) acceleration, the magnitude and direction of gravity can be detected at rest, can be used to identify the attitude of the terminal device 80 (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration recognition related functions ( For example, a pedometer, a tap, etc.; other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, and the like that can be configured by the terminal device 80 are not described herein.
  • the audio circuit 806, the speaker 8061, and the microphone 8062 can provide an audio interface between the user and the terminal device 80.
  • the audio circuit 806 can transmit the converted electrical data of the received audio data to the speaker 8061, and convert it into a sound signal output by the speaker 8061.
  • the microphone 8062 converts the collected sound signal into an electrical signal, and the audio circuit 806 is used by the audio circuit 806. After receiving, it is converted into audio data, and then processed by the audio data output processor 808, transmitted to the device, for example, by the RF circuit 801, or outputted to the memory 802 for further processing.
  • the audio circuit 806 may also include an earbud jack to provide communication of the peripheral earphones with the terminal device 80.
  • WiFi is a short-range wireless transmission technology
  • the terminal device 80 can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 807, which provides wireless broadband Internet access for users.
  • FIG. 13 shows the WiFi module 807, it can be understood that it does not belong to the essential configuration of the terminal device 80, and may be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 808 is a control center of the terminal device 80 that connects various portions of the entire terminal device 80 using various interfaces and lines, by running or executing computer programs and/or modules stored in the memory 802, and for recalling storage in the memory 802.
  • the data performs various functions and processing data of the terminal device 80, thereby performing overall monitoring of the terminal device 80.
  • the processor 808 may include one or more processing cores; preferably, the processor 808 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 808.
  • the terminal device 80 further includes a power source 803 (such as a battery) for supplying power to the various components.
  • the power source can be logically connected to the processor 808 through the power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the power supply 803 may also include any one or more of a DC or AC power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
  • the terminal device 80 may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
  • the output device 804 (or the input device 803) of the terminal device is a touch screen display
  • the terminal device 80 further includes a memory 802, a processor 808, and one or more computer programs, one or more of which The computer program is stored in the memory 802.
  • the program of the communication method used by the processor 808 for invoking the memory 802 performs the flow of each method step in the foregoing method embodiment, and details are not described herein again.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium can store a program, and the program includes some or all of the steps of any one of the communication methods described in the foregoing method embodiments.
  • embodiments of the present invention can be provided as a method, apparatus (device), or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program is stored/distributed in a suitable medium, provided with other hardware or as part of the hardware, or in other distributed forms, such as over the Internet or other wired or wireless telecommunication systems.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de communication, un dispositif associé et un système. Le procédé peut comprendre les étapes suivantes : un premier nœud reçoit un premier message, le premier message comprenant des informations de configuration de transmission discontinue; le premier nœud effectue une transmission discontinue de dispositif à dispositif (D2D) avec un second nœud sur la base des informations de configuration de transmission discontinue, le second nœud étant un nœud qui fournit au premier nœud un service de relais, ou qui fournit au premier nœud et à un troisième nœud un service de relais, et le troisième nœud étant une station de desserte pour le premier nœud ou le second nœud. L'utilisation de la présente invention résout le problème de consommation d'énergie du dispositif terminal pendant une communication D2D et le problème de faible efficacité de communication D2D.
PCT/CN2016/094712 2016-08-11 2016-08-11 Procédé de communication, dispositif associé et système WO2018027821A1 (fr)

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CN111800894A (zh) * 2019-08-22 2020-10-20 维沃移动通信有限公司 sidelink的DRX配置方法和设备
CN111800893A (zh) * 2019-08-22 2020-10-20 维沃移动通信有限公司 边链路非连续发送、接收方法与装置及终端设备
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