WO2016155261A1 - 终端节电方法及装置 - Google Patents

终端节电方法及装置 Download PDF

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Publication number
WO2016155261A1
WO2016155261A1 PCT/CN2015/090033 CN2015090033W WO2016155261A1 WO 2016155261 A1 WO2016155261 A1 WO 2016155261A1 CN 2015090033 W CN2015090033 W CN 2015090033W WO 2016155261 A1 WO2016155261 A1 WO 2016155261A1
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WO
WIPO (PCT)
Prior art keywords
remote terminal
sleep
relay device
terminal
power saving
Prior art date
Application number
PCT/CN2015/090033
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English (en)
French (fr)
Inventor
李大鹏
陈琳
Original Assignee
中兴通讯股份有限公司
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Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2016155261A1 publication Critical patent/WO2016155261A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • 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, and in particular to a terminal power saving method and apparatus.
  • D2D Device
  • D2D represents a new direction for future communication technologies.
  • -to-Device referred to as D2D technology came into being.
  • the application of D2D technology can reduce the burden of cellular networks, reduce the battery power consumption of user equipment, increase the data rate, and improve the robustness of the network infrastructure, which satisfies the requirements of the above high data rate services and proximity services.
  • a D2D service (or a ProSe service) can work in a licensed or unlicensed frequency band, and allows multiple D2D user equipments (D2D User Equipment, D2D UEs) to have a network infrastructure or no network infrastructure.
  • D2D business is carried out in the case of facilities.
  • the D2D service usually includes: a D2D discovery technology and a D2D communication technology; wherein the D2D discovery technology is used to determine/determine the proximity between two or more D2D user devices (for example, within a D2D communication range) or A technique for determining/determining that the first user equipment is adjacent to the second user equipment.
  • D2D user equipment can discover each other by sending or receiving discovery signals/information. Under the coverage of cellular network, the network can assist D2D user equipment to perform D2D discovery;
  • D2D communication technology refers to partial or complete communication between D2D user equipments. A technology in which data can communicate directly without going through a network infrastructure.
  • Terminals in the vicinity use D2D communication to bring many benefits to the terminal, such as higher speed, lower latency and lower power consumption, and also greatly improve the wireless resource efficiency of the operator.
  • the D2D Relay mode has It is beneficial for operators to improve wireless coverage; for applications, the use of proximity information in the D2D communication process can develop more attractive new services.
  • the Public Safety system can also use D2D technology to enable communication between terminals without wireless coverage.
  • the D2D discovery technology may be divided into two different methods, one is D2D Direct Discovery, and the other is Evolved Packet Core (EPC), which is the core network.
  • EPC Evolved Packet Core
  • the geographical location information of each terminal is saved, and the D2D discovery function is further provided according to the information.
  • FIG. 1 is a schematic diagram of a UE-to-Network Relay network architecture according to the related art.
  • the relay device communicates with the existing LTE mode as the terminal and the network side, and can also communicate with the out of coverage terminals (UE1 and UE2 in the figure) by using the D2D mode, including D2D. Discover (Discovery) and or D2D communication (communication).
  • the Layer 3 type of Relay means that the data received by the Relay from the base station side is forwarded to the over-the-covering UE through the D2D communication after reaching the Packet Data Convergence Protocol (PDCP) layer, and vice versa.
  • PDCP Packet Data Convergence Protocol
  • the power saving problem when the remote terminal obtains the communication service through the relay is not involved.
  • the remote terminal may not maintain the connection state. Does not consume more energy.
  • the terminal in the case where the terminal performs the discontinuous transmission of the data packet, the terminal maintains the connection state and consumes too much power, and no effective solution has been proposed yet.
  • the present invention provides the terminal power saving method and apparatus to solve at least the above problem.
  • a terminal power saving method including: when a remote terminal is in an active state, receiving a power saving configuration of the relay device; and completing the access relay at the remote terminal
  • the quiet timer configured according to the power saving configuration is started; after the remote terminal completes communication with the relay device, the silent timer is updated; when the silent timer expires The remote terminal enters a sleep state.
  • the method further includes: when the remote terminal enters a sleep state, starting an activity duration timer configured according to the power saving configuration; and when the activity duration timer expires, The remote terminal is prohibited from listening to the discovery message sent by the relay device.
  • the method further includes: receiving, by the relay device, a start interval according to a sleep cycle duration and a sleep cycle configured in the power saving configuration. Resetting the activity duration timer when the remote terminal sleeps for a duration of the sleep period; wherein the sleep cycle initiation offset is used to indicate that the terminal is from a sleep state The frame starts, or the sleep cycle start offset starts from the next subframe at the end of the previous round of sleep, and the sleep duration required to restart the activity duration timer starts from the sleep cycle start offset, ending at The sleep period starts the sleep period after the offset is longer than the subframe.
  • the method further includes: when the remote terminal has data to send or the remote terminal has data to receive, the remote terminal Determining whether it is in a range covered by the relay device; in case the remote terminal is in the coverage of the relay device, listening for a discovery message broadcast by the relay device; and including a target included in the discovery message
  • the remote terminal enters an active state, and the remote terminal sends a discovery message in response to the relay setting.
  • the manner in which the remote terminal determines whether it is in a range covered by the relay device includes at least one of: determining whether the remote terminal detects a synchronization signal of the relay device; The remote terminal sends a check message to the registered relay device, determines whether the relay device responds to the check message, and determines whether the remote terminal detects the broadcast message sent by the relay device.
  • a terminal power saving method including: after the relay device accesses the remote terminal, and the remote terminal is in an active state, the relay device is the remote terminal.
  • the terminal allocates a power saving configuration; after the relay device and the remote terminal successfully access, starts a silent timer configured according to the power saving configuration; after the data communication between the relay device and the remote terminal is completed, The relay device updates the quiet timer to confirm that the remote terminal enters a sleep state after the silence timer expires.
  • the remote terminal after the remote terminal enters a sleep state, the remote terminal starts an activity duration timer configured according to the power saving configuration, and the method further includes: the relay device sends a discovery a message, the discovery message includes at least one of the following: a relay device identifier, the remote terminal identifier, the remote terminal downlink data indication, the remote terminal downlink data port, and the remote terminal downlink data IP address.
  • the method further includes: transmitting a sleep cycle duration and a sleep cycle configured according to the power saving configuration to initiate a offset to the remote terminal;
  • the activity duration timer is restarted when the sleep duration of the remote terminal reaches the sleep period; wherein the sleep cycle initiation offset is used to indicate that the terminal starts from a subframe when entering the sleep state.
  • the sleep cycle start offset starts from a next subframe at the end of the previous round of sleep, and restarting the sleep duration required by the activity duration timer starts at the sleep cycle start offset, ending at the The sleep period after the start of the sleep period is longer than the subframe.
  • a terminal power saving device including: a first receiving module, configured to receive a power saving configuration of the relay device when the remote terminal is in an active state; and the first configuration module When the remote terminal completes the access to the relay device, starts the silence timer configured according to the power saving configuration; the first update module is used by the remote terminal to complete and After the communication of the device, the first timer module of the silent timer is updated, where the remote terminal enters a sleep state when the silent timer expires.
  • the device further includes: a second configuration module, configured to start an activity duration timer configured according to the power saving configuration when the remote terminal enters a sleep state; The remote terminal prohibits listening to the discovery message sent by the relay device when the activity duration timer expires.
  • the apparatus further includes: a second receiving module, configured to receive, by the relay device, a start interval according to a sleep period duration and a sleep period configured in the power saving configuration; and a second update module, For restarting the activity duration timer when the remote terminal sleep duration reaches the sleep period duration; wherein the sleep cycle initiation offset is used to indicate that the terminal is from entering the sleep state
  • the sub-frame starts, or the sleep period start offset starts from the next sub-frame at the end of the previous round of sleep, and the sleep duration required to restart the active duration timer starts at the sleep period to start the offset, and ends.
  • the subframe is long in the sleep period after the offset period is started.
  • the apparatus further includes: a determining module, configured to: when the remote terminal has data to send or the remote terminal has data to receive, the remote terminal determines whether the a coverage area of the relay device, where the second monitoring module is configured to listen to the discovery message broadcast by the relay device if the remote terminal is in the coverage of the relay device, and the response module is used to In the case that the target address included in the discovery message is the remote terminal, the remote terminal enters an active state, and the remote terminal sends a discovery message in response to the relay setting.
  • a determining module configured to: when the remote terminal has data to send or the remote terminal has data to receive, the remote terminal determines whether the a coverage area of the relay device, where the second monitoring module is configured to listen to the discovery message broadcast by the relay device if the remote terminal is in the coverage of the relay device, and the response module is used to In the case that the target address included in the discovery message is the remote terminal, the remote terminal enters an active state, and the remote terminal sends a discovery message in response to the relay setting.
  • the determining module includes: a synchronization signal unit, configured to determine whether the remote terminal is Detecting a synchronization signal of the relay device; the detecting unit is configured to send, by the remote terminal, a check message to the registered relay device, determine whether the relay device responds to the check message, and broadcast And a unit, configured to determine whether the remote terminal detects a broadcast message sent by the relay device.
  • a terminal power saving device including: an allocating module, configured to: after the relay device accesses the remote terminal, and the remote terminal is in an active state, the relay device Allocating a power saving configuration to the remote terminal; a third configuration module, after the relay device and the remote terminal are successfully accessed, starting a silent timer configured according to the power saving configuration; a module, configured to: after the data communication of the relay device and the remote terminal is completed, the relay device updates the quiet timer; and the second state module is configured to confirm, after the silence timer expires The remote terminal enters a sleep state.
  • the apparatus further includes: a discovery module, configured to send, by the relay device, a discovery message, where the discovery message includes at least one of: a relay device identifier, the remote terminal identifier, The remote terminal downlink data indication, the remote terminal downlink data port, and the remote terminal downlink data IP address.
  • a discovery module configured to send, by the relay device, a discovery message, where the discovery message includes at least one of: a relay device identifier, the remote terminal identifier, The remote terminal downlink data indication, the remote terminal downlink data port, and the remote terminal downlink data IP address.
  • the apparatus further includes: a sending module, configured to send a sleep cycle duration and a sleep cycle start offset configured according to the power saving configuration to the remote terminal; and a fourth update module, configured to In the case that the sleep duration of the remote terminal reaches the length of the sleep cycle, the activity duration timer is restarted; wherein the sleep cycle initiation offset is used to indicate that the terminal starts from a subframe when entering the sleep state, Alternatively, the sleep cycle start offset starts from a next subframe at the end of the previous round of sleep, and the sleep duration required to restart the activity duration timer starts at the sleep cycle start offset, ending at the sleep The sleep period after the period start offset is longer than the subframe.
  • the remote terminal when the remote terminal is in an active state, the power saving configuration of the relay device is received; when the remote terminal completes the accessing the relay device, the silent timer configured according to the power saving configuration is started. After the communication with the relay device is completed, the remote terminal updates the silent timer; when the silent timer expires, the remote terminal enters a sleep state, and the discontinuous transmission of the data packet at the terminal is resolved. In the case where the terminal maintains the connection state, the power consumption is excessively large, and the power consumption of the terminal is reduced.
  • FIG. 1 is a schematic diagram of a UE-to-Network Relay network architecture according to the related art
  • FIG. 2 is a flow chart 1 of a power saving method for a terminal according to an embodiment of the present invention
  • FIG. 3 is a second flowchart of a power saving method for a terminal according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram 1 of a power saving device for a terminal according to an embodiment of the present invention.
  • FIG. 5 is a second structural block diagram of a power saving device for a terminal according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of an implementation of a remote terminal entering a sleep mode from an active mode according to a preferred embodiment of the present invention
  • FIG. 7 is a first schematic diagram of an implementation of receiving data when a remote terminal is in a sleep mode according to a preferred embodiment of the present invention
  • FIG. 8 is a second schematic diagram of an implementation of receiving data when a remote terminal is in a sleep mode according to a preferred embodiment of the present invention.
  • FIG. 2 is a flowchart 1 of a power saving method for a terminal according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:
  • Step S202 The remote terminal receives the power saving configuration of the relay device in an active state.
  • Step S204 when the remote terminal completes accessing the relay device, starting a silent timer configured according to the power saving configuration
  • Step S206 the remote terminal updates the silence timer after completing communication with the relay device.
  • Step S208 in the case that the silence timer expires, the remote terminal enters a sleep state.
  • the terminal when the silent timer expires, the terminal enters the sleep state, and is not always active, thereby saving the terminal from being active.
  • the power consumption solves the problem that the terminal maintains the connection state and consumes too much power when the terminal performs the discontinuous transmission of the data packet, thereby reducing the power consumption of the terminal.
  • the activity duration timer configured according to the power saving configuration is started; when the activity duration timer expires, the remote terminal prohibits listening to the relay device to send. Discovery message. And receiving the trunk device according to the sleep cycle duration and the sleep cycle start offset configured in the power saving configuration, and restarting the activity duration timer when the remote terminal sleep duration reaches the sleep cycle duration, where
  • the sleep cycle start offset is used to indicate that the terminal starts from a subframe when entering the sleep state, or the sleep cycle start offset starts from the next subframe at the end of the previous round of sleep, and restarts the activity continuous timing.
  • the sleep duration required by the device starts at the sleep cycle to start the offset, and ends when the sleep cycle starts the offset after the sleep cycle is longer than the subframe.
  • the remote terminal determines whether it is in the coverage range of the relay device, and the remote terminal is in the relay. If the target address of the discovery message is the remote terminal, the remote terminal enters an active state, and the remote terminal sends a discovery message. Respond to this relay setting.
  • the manner in which the remote terminal determines whether it is in the range covered by the relay device may include: determining whether the remote terminal detects a synchronization signal of the relay device; and the remote terminal sends the relay to the relay The device sends a check message, Determining whether the relay device responds to the check message; determining whether the remote terminal detects a broadcast message sent by the relay device.
  • FIG. 3 is a second flowchart of a terminal power saving method according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps:
  • Step S302 After the relay device accesses the remote terminal and the remote terminal is in an active state, the relay device allocates a power saving configuration to the remote terminal.
  • Step S304 after the relay device and the remote terminal successfully access, start a silent timer configured according to the power saving configuration
  • Step S306 after the data communication between the relay device and the remote terminal is completed, the relay device updates the silence timer
  • Step S308 after the silence timer expires, confirm that the remote terminal enters a sleep state.
  • the relay device sends the power saving configuration to the remote terminal.
  • the remote terminal enters the sleep state, and is not always active, thereby saving the terminal from being active.
  • the power consumption solves the problem that the terminal maintains the connection state and consumes too much power when the terminal performs the discontinuous transmission of the data packet, thereby reducing the power consumption of the terminal.
  • the remote terminal after the remote terminal enters the sleep state, the remote terminal starts an activity duration timer configured according to the power saving configuration, and the relay device sends a discovery message, where the discovery message includes at least one of the following: The relay device identifier, the remote terminal identifier, the remote terminal downlink data indication, the remote terminal downlink data port, and the remote terminal downlink data IP address.
  • the relay device when the remote terminal enters a dormant state, sends a sleep cycle duration and a sleep cycle start offset configured according to the power save configuration to the remote terminal; Resetting the activity duration timer when the sleep period duration is reached; wherein the sleep cycle initiation offset is used to indicate that the terminal starts from a subframe when entering the sleep state, or the sleep cycle starts from the offset The next sub-frame at the end of one round of sleep begins, restarting the activity.
  • the sleep duration required by the duration timer begins to start the offset in the sleep period, and ends in the sleep period after the sleep period is started.
  • a power-saving device for the terminal is also provided in the embodiment, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 4 is a block diagram 1 of a power saving device of a terminal according to an embodiment of the present invention. As shown in FIG. 4, the device includes
  • the first receiving module 42 is configured to receive a power saving configuration of the relay device when the remote terminal is in an active state
  • the first configuration module 44 is configured to start, according to the quiet timer configured in the power saving configuration, when the remote terminal completes accessing the relay device;
  • the first update module 46 is configured to: after the remote terminal completes communication with the relay device, update the silence timer;
  • the first state module 48 is configured to enter the sleep state when the silence timer expires.
  • the terminal when the silent timer expires, the terminal enters the sleep state and is not always active, thereby saving the terminal from being active.
  • the power consumption solves the problem that the terminal maintains the connection state and consumes too much power when the terminal performs the discontinuous transmission of the data packet, thereby reducing the power consumption of the terminal.
  • the device further includes: a second configuration module, configured to start an activity duration timer configured according to the power saving configuration when the remote terminal enters a sleep state; and the first monitoring module is set to be in the activity When the duration timer expires, the remote terminal prohibits listening to the discovery message sent by the relay device.
  • the apparatus further includes: a second receiving module, configured to receive the relay device according to the sleep cycle duration and the sleep cycle start offset configured in the power saving configuration; and the second update module is configured to be in the The active duration timer is restarted when the sleep duration of the remote terminal reaches the sleep duration; wherein the sleep cycle start offset is used to indicate that the terminal starts from a subframe when entering the sleep state, or the sleep cycle
  • the startup offset starts from the next subframe at the end of the previous round of sleep, and the sleep duration required to restart the activity duration timer starts at the sleep cycle start offset, and ends the sleep cycle after the sleep cycle starts the offset.
  • the duration is a sub-frame.
  • the apparatus further includes: a determining module, configured to determine, when the remote terminal has data to send or the remote terminal has data to receive, the remote terminal determines whether it is in a range covered by the relay device a second monitoring module, configured to monitor a discovery message broadcast by the relay device when the remote terminal is in the coverage of the relay device; and the response module is configured to: the target address included in the discovery message is In the case of a remote terminal, the remote terminal enters an active state, and the remote terminal sends a discovery message in response to the relay setting.
  • a determining module configured to determine, when the remote terminal has data to send or the remote terminal has data to receive, the remote terminal determines whether it is in a range covered by the relay device
  • a second monitoring module configured to monitor a discovery message broadcast by the relay device when the remote terminal is in the coverage of the relay device
  • the response module is configured to: the target address included in the discovery message is In the case of a remote terminal, the remote terminal enters an active state, and the remote terminal sends a discovery
  • the determining module includes: a synchronization signal unit, configured to determine whether the remote terminal detects a synchronization signal of the relay device; and the detecting unit is configured to register the remote terminal with the remote terminal And sending a check message to determine whether the relay device responds to the check message; and the broadcast unit is configured to determine whether the remote terminal detects the broadcast message sent by the relay device.
  • FIG. 5 is a structural block diagram 2 of a power saving device for a terminal according to an embodiment of the present invention. As shown in FIG. 5, the device includes
  • the allocating module 52 is configured to allocate a power saving configuration to the remote terminal after the relay device accesses the remote terminal and the remote terminal is in an active state;
  • the third configuration module 54 is configured to start the silent timer configured according to the power saving configuration after the relay device and the remote terminal are successfully accessed;
  • the third update module 56 is configured to update the silence timer after the relay device and the remote terminal complete the data communication
  • the second status module 58 is configured to confirm that the remote terminal enters a sleep state after the silence timer expires.
  • the relay device sends a power saving configuration to the remote terminal, and when the terminal has a silent timer timeout, The remote terminal enters the sleep state and is not always in the active state, thereby saving the power that the terminal has been in the active state, and solving the problem that the terminal maintains the connection state and consumes too much power when the terminal performs the discontinuous transmission of the data packet. , reducing the power consumption of the terminal.
  • the device further includes: a discovery module, configured to send the discovery message to the relay device, where the discovery message includes at least one of the following: a relay device identifier, the remote terminal identifier, and the remote terminal downlink data. Indicates the downlink data port of the remote terminal and the downlink data IP address of the remote terminal.
  • a discovery module configured to send the discovery message to the relay device, where the discovery message includes at least one of the following: a relay device identifier, the remote terminal identifier, and the remote terminal downlink data. Indicates the downlink data port of the remote terminal and the downlink data IP address of the remote terminal.
  • the apparatus further includes: a sending module, configured to send a sleep cycle duration and a sleep cycle start offset configured according to the power save configuration to the remote terminal; and a fourth update module, configured to be at the remote terminal
  • the activity duration timer is restarted when the sleep duration reaches the sleep period duration; wherein the sleep cycle startup offset is used to indicate that the terminal starts from a subframe when entering the sleep state, or the sleep cycle starts the offset Starting from the next sub-frame at the end of the previous round of sleep, restarting the activity duration timer requires that the sleep duration begins to start the offset in the sleep period, and ends the sleep period after the sleep period starts the offset.
  • the state of the remote terminal is divided into an active mode and a sleep mode.
  • the remote terminal enters an active mode after accessing a proximity device (Relay) device; when the remote terminal accesses the relay device, the relay device configures a section for the terminal
  • the power saving configuration includes one or a combination of the following: an inactivity timer; an on duration timer; a sleep cycle; a sleep cycle start (sleep mode start) Offset).
  • the operation of the remote terminal when it is active includes one or a combination of the following:
  • the remote terminal After completing the access to the relay device, the remote terminal starts an inactivity timer.
  • the remote terminal updates the inactivity timer after receiving the D2D data sent to itself or sending the D2D data;
  • the remote terminal enters a sleep mode after the inactivity timer expires;
  • the operation of the remote terminal in the sleep state includes one or a combination of the following:
  • the remote terminal retains the relay device information and the configuration allocated by the relay device when entering the sleep mode, such as a power saving configuration and an IP address configuration;
  • an activity duration timer (on duration timer) is started
  • the discovery message sent by the relay device is no longer monitored
  • the remote terminal restarts the on duration timer when the sleep cycle duration arrives, Hugh
  • the sleep mode start offset is the start of the subframe when the terminal enters the sleep state, or starts from the next subframe at the end of the previous sleep cycle, and the sleep duration starts from the sleep cycle. Offset, ending in a sleep cycle after the start of the sleep cycle (sleep cycle) subframes;
  • the remote terminal performs one or a combination of the following operations on the activity duration timer (on duration timer):
  • the remote terminal enters an active mode when data is to be sent
  • the remote terminal Listening to the D2D discovery message sent by the relay broadcast when the coverage of the relay (Relay) is over, if the discovery message includes the target address as the remote terminal, the remote terminal Entering an active mode, the remote terminal sends a discovery message to the relay terminal.
  • the activity duration timer is stopped, and the sleep cycle is stopped.
  • the method for checking the method in the service relay coverage includes one or a combination of the following:
  • the remote terminal can detect a synchronization signal of the serving relay device
  • the remote terminal sends a check message to the registered relay device, and the relay device responds to the successful check message;
  • the method for checking the method that is not in the service relay coverage includes one or a combination of the following:
  • the remote terminal does not detect the synchronization signal of the serving relay device
  • the detection process fails. For example, the remote terminal sends a check message to the registered relay device, and the relay device does not respond or returns a failed check message.
  • the remote terminal cannot detect the broadcast message sent by the service relay.
  • the method also includes:
  • the core network forwards data to the remote terminal through a proximity service (Relay) terminal;
  • the forwarding uses one of the following forwarding addresses:
  • the relay terminal allocates an address to the remote terminal, for example, the relay terminal allocates an IPv6 address to the accessed remote terminal;
  • the relay terminal allocates a port to the remote terminal, for example, the relay terminal allocates an IPv4 address and a port to the accessed remote terminal;
  • the method for the core network to forward data to the remote terminal through the relay terminal includes the following steps:
  • the core network element sends the address information in the data packet to the relay terminal, where the data includes the port corresponding to the remote terminal and or the IPV6 address information.
  • the relay terminal forwards the data to the remote terminal according to the port corresponding to the remote terminal and the IPV6 address information included in the data;
  • the forwarding further includes:
  • the paging message of the eNB paging relay UE further includes a port number of the remote terminal in the service relay;
  • the remote terminal After the relay device accesses the remote terminal, the remote terminal allocates a power saving configuration
  • the power saving configuration includes one or a combination of the following:
  • Activity duration timer (on duration timer);
  • the sleep cycle is equal to the relay device discovery period or an integer multiple of the discovery period.
  • the relay device calculates, according to the configuration, that the remote terminal is in an active mode or a sleep mode. For example, the relay device starts the inactivity timer after the remote device successfully accesses, and is silent. After the timer (inactivity timer) expires, it is determined that the remote terminal enters a sleep state. For example, the relay has data communication with the remote terminal when the inactivity timer has not timed out. After the data communication is completed, the relay device restarts the inactivity timer.
  • the relay device forwards the data to the remote terminal;
  • the relay device operation includes the following processes:
  • the relay device sends a D2D discovery message during the start of the activity duration timer of the remote terminal, where the message carries the information of the remote terminal, including the identifier of the relay device, the identifier of the remote device terminal, and the remote end.
  • the remote device sends a discovery message to the relay device, including the relay device identifier, and the remote device terminal identifier.
  • the relay device forwards the data to the remote terminal
  • FIG. 6 is a schematic diagram of an implementation of a remote terminal entering a sleep mode from an active mode according to a preferred embodiment of the present invention, as shown in FIG.
  • the preferred embodiment is a case where the remote terminal leaves the relay UE after entering the sleep mode from the active mode, and the method is Includes the following steps:
  • Step 602 The inactivity timer expires after the remote terminal enters the connected state.
  • the relay UE configures the inactivity timer, the on duration timer, and the sleep cycle for the remote UE. , sleep mode start offset (sleep mode start offset) and other configurations. Before the silence timer expires, there is no data transmission and reception between the remote terminal and the relay terminal. After the inactivity timer expires, the remote UE enters a sleep mode.
  • Step 604 the remote terminal leaves the relay terminal coverage
  • the remote terminal starts the activity on-time timer according to the configuration, and checks whether the coverage of the relay terminal is still in the period of the on-duration timer, for example, the remote terminal can detect the service.
  • the synchronization signal of the relay device passes the detection process, for example, the remote terminal sends a check message to the registered relay device, and the relay device responds to the successful check message by detecting the broadcast sent by the service relay.
  • a method such as a message confirms whether it is within the coverage of the originally registered relay terminal.
  • the remote terminal goes from the sleep state to the active state and initiates the process of discovering the relay UE.
  • the remote terminal has data transmission after entering the sleep mode from the active mode.
  • the method includes the following steps:
  • Step 606 The inactivity timer expires after the remote terminal enters the connected state.
  • the relay UE configures the inactivity timer, the on duration timer, and the sleep cycle for the remote UE. , sleep mode start offset, etc., there is no data transmission and reception between the remote terminal and the relay terminal. After the inactivity timer expires, the remote UE enters a sleep state (sleep mode). .
  • Step 608 the remote terminal has data to send when in the sleep state.
  • the remote terminal When the remote terminal sleeps, data is sent and the remote terminal enters an active state. After entering the active state, the remote terminal checks whether it is within the coverage of the original registered relay UE. If it is still within the coverage of the relay terminal, the remote terminal initiates a process of transmitting data, for example, transmitting D2D communication data to the relay terminal.
  • the remote terminal initiates the discovery process of the relay UE.
  • FIG. 7 is a schematic diagram of an implementation of receiving data when a remote terminal is in a sleep mode according to a preferred embodiment of the present invention. As shown in FIG. 7 , this embodiment is a case where data is received when the remote terminal is in a sleep mode. Relay UE and The remote UEs are in the sleep mode. As shown in FIG. 7, the method includes the following steps:
  • Step S702 the packet data network gateway (Packet Data Network GateWay, abbreviated as P-GW) receives the downlink data.
  • P-GW Packet Data Network GateWay, abbreviated as P-GW
  • the P-GW After the data packet arrives at the P-GW, the P-GW determines that the data should be sent to the relay UE according to the destination IP address carried in the downlink data, and the P-GW forwards the received data packet sent to the remote UE to the S- of the service relay UE. GW.
  • step S704 the serving gateway (Serving GateWay, abbreviated as S-GW) sends a data notification to the Mobility Management Entity (MME).
  • S-GW Serving GateWay, abbreviated as S-GW
  • MME Mobility Management Entity
  • the S-GW sends a downlink data notification to the MME serving the relay UE, and triggers the MME to initiate paging of the Relay UE.
  • Step S706 the MME sends a paging message to the eNB.
  • the MME may determine the relay UE location in the ECM-IDLE state within the TAI list granularity range registered by the relay UE.
  • the MME sends a PAGING message to all eNBs corresponding to the TAs (Tracking Area List) coverage included in the TAI (Tracking Area Identity) list of the relay UE.
  • the terminal identifier carried in the PAGING message is the terminal identifier of the Relay UE, and the message further includes the port number of the remote terminal.
  • Step S708 the eNB pages the Relay UE.
  • the eNB After receiving the PAGING message, the eNB determines whether the TA of each cell is consistent with the TAI information included in the TAI list. If they are consistent, the relay UE is paged through the air interface PAGING message on the corresponding cell.
  • the terminal identifier carried in the PAGING message is the terminal identifier of the Relay UE, and the message further includes the port number of the remote terminal.
  • Step S710 the neighboring terminal (Relay UE) discovers the remote terminal (remote UE)
  • the relay terminal determines that the data needs to be sent to the remote terminal by using the port number of the remote terminal in the paging message; the relay terminal starts the D2D discovery process;
  • the power distribution configuration for the remote terminal includes an inactivity timer, an on duration timer, a sleep cycle, and a sleep cycle. Sleep mode start offset.
  • the relay device calculates, according to the configuration, that the remote terminal is in an active mode or a sleep mode. For example, the relay device starts an inactivity timer after the remote device successfully accesses, in a silent timer. After the inactivity timer expires, it is determined that the remote terminal enters a sleep state. For example, the relay has data communication with the remote terminal when the inactivity timer has not timed out. After the data communication is completed, the relay device restarts the inactivity timer.
  • the relay device When the remote terminal is in the dormant state, the relay device sends a D2D discovery message, where the message carries the information of the remote terminal, including the relay device identifier, during the on-duration timer of the remote terminal.
  • the message uses a PC5 interface, which can multiplex non-public security discovery messages or public security discovery messages or connection establishment messages between the Remote UE and the Relay UE.
  • Step S712 the remote terminal (remote UE) enters an active mode and sends a discovery response message to the relay terminal.
  • the remote UE receives the discovery message of the Relay UE during the activation of the activity duration timer (on the duration timer), detects that the target address is its own data indication, the remote UE enters the active mode, and sends a discovery response (Discovery response) message to the relay.
  • the message uses a PC5 interface, which can multiplex non-public security discovery messages or public security discovery messages or connection establishment messages between the Remote UE and the Relay UE.
  • Step S714 the relay UE starts the service request process.
  • the Relay UE After receiving the Discovery response message sent by the remote UE, the Relay UE starts the service request procedure. Establish an Evolved Packet System (EPS) bearer.
  • EPS Evolved Packet System
  • the data is sent from the PGW to the relay UE.
  • the relay UE After receiving the downlink data, the relay UE forwards the data to the remote UE through the PC5 interface according to the destination address and port number of the downlink data, and the interface uses the Pros communication method.
  • FIG. 8 is a schematic diagram of an implementation of receiving data when a remote terminal is in a sleep mode according to a preferred embodiment of the present invention. As shown in FIG. 8, this embodiment is a process for receiving data when the remote terminal is in a sleep mode, as shown in FIG. 8. As shown, the method includes the following steps:
  • Step S802 the Relay UE establishes an EPS bearer.
  • the Relay UE is in the connected state and the EPS bearer is established.
  • the destination address or port is the remote terminal.
  • Step S804 the Relay UE triggers the discovery message to the remote UE.
  • the Relay UE When there is data with a destination address of the Remote UE, the Relay UE triggers a discovery message to the remote UE;
  • the power distribution configuration for the remote terminal includes an inactivity timer, an on duration timer, a sleep cycle, and a sleep cycle. Sleep mode start offset.
  • the relay device calculates, according to the configuration, that the remote terminal is in an active mode or a sleep mode. For example, the relay device starts an inactivity timer after the remote device successfully accesses, in a silent timer. After the inactivity timer expires, it is determined that the remote terminal enters a sleep state. For example, the relay has data communication with the remote terminal when the inactivity timer has not timed out. After the data communication is completed, the relay device restarts the inactivity timer.
  • the relay device When the remote terminal is in the dormant state, the relay device sends a D2D discovery message, where the message carries the information of the remote terminal, including the relay device identifier, during the on-duration timer of the remote terminal.
  • Remote device terminal identifier Remote terminal downlink data indication, port and or IP address.
  • the message uses a PC5 interface, which can multiplex non-public security discovery messages or public security discovery messages or connection establishment messages between the Remote UE and the Relay UE.
  • Step S806 the remote terminal enters the active mode.
  • the remote UE receives the discovery message of the Relay UE during the activation of the activity duration timer (on the duration timer), detects that the target address is its own data indication, the remote UE enters the active mode, and sends a discovery response (Discovery response) message to the relay.
  • the message uses a PC5 interface, which can multiplex non-public security discovery messages or public security discovery messages or connection establishment messages between Remote UE and Relay UE.
  • Step S808 the Relay UE forwards the data.
  • the Relay UE forwards the data to the remote UE through the PC5 interface, which uses the Prox communication method.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method of various embodiments of the present invention.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the power saving configuration of the relay device is received; when the remote terminal completes accessing the relay device, starting according to the power saving configuration
  • the quiet timer configured in the terminal; the remote terminal updates the silent timer after completing communication with the relay device; when the silent timer expires, the remote terminal enters a sleep state, and the terminal is resolved.
  • the terminal maintains the connection state and consumes a large amount of power, thereby reducing the power consumption of the terminal.

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Abstract

本发明提供了一种终端节电方法及装置，其中，该方法在远端终端在活动状态的情况下，接收中继设备的节电配置；在该远端终端在完成接入中继设备时,启动根据该节电配置中配置的静默定时器；该远端终端在完成与该中继设备的通信后，更新该静默定时器；在该静默定时器超时的情况下，该远端终端进入休眠状态，解决了在终端进行非连续发送数据包的情况下，终端保持连接状态消耗电量过大的问题，减少了终端的用电量。

Description

终端节电方法及装置 技术领域
本发明涉及通信领域，具体而言，涉及一种终端节电方法及装置。
背景技术
随着无线多媒体业务的发展，人们对高数据速率和用户体验的需求日益增长，从而对传统蜂窝网络的系统容量和覆盖提出了较高要求。另一方面社交网络、近距离数据共享、本地广告等应用的流行使得人们对了解附近感兴趣的人或事物并与之通信(如邻近服务)的需求逐渐增加。传统以基站为中心的蜂窝网络在高数据速率以及邻近服务(Proximity Services，简称为ProSe)的支持方面存在明显的局限性，在这种需求背景下，代表未来通信技术发展新方向的D2D(Device-to-Device，简称为D2D)技术应运而生。D2D技术的应用，可以减轻蜂窝网络的负担、减少用户设备的电池功耗、提高数据速率，并改善网络基础设施的鲁棒性，很好地满足上述高数据速率业务和邻近服务的要求。
D2D业务(或ProSe业务)可以工作在授权频段或非授权频段，允许多个支持D2D功能的用户设备，即D2D用户设备(D2D User Equipment，简称为D2D UE)在有网络基础设施或无网络基础设施的情况下进行D2D业务。D2D业务通常包括：D2D发现技术和D2D通信技术；其中，D2D发现技术是指用于判断/确定两个或多个D2D用户设备之间相互邻近(例如在可进行D2D通讯范围之内)或用于判断/确定第一用户设备邻近第二用户设备的技术。通常，D2D用户设备间可通过发送或接收发现信号/信息来发现对方，在有蜂窝网络覆盖下，网络可辅助D2D用户设备进行D2D发现；D2D通信技术是指D2D用户设备之间部分或全部通信数据可以不通过网络基础设施而直接进行通信的技术。
邻近区域的终端利用D2D通讯能够给终端带来很多好处，比如更高的速率，更低的延迟以及更小的功耗，同时也极大地提高了运营商的无线资源效率，D2D的Relay模式有利于运营商提高无线覆盖；对于应用来说利用D2D通讯过程中的邻近信息可以开发出更加吸引人的新业务。公共安全(Public Safety)系统也可以利用D2D技术实现没有无线覆盖的情况下终端之间的通讯。
D2D发现技术又可能分为两种不同的方式，一种方式是D2D直接发现(Direct Discovery)，另一种方式为演进的分组网络(Evolved Packet Core，简称为EPC)方式，也就是经过核心网保存各终端的地理位置信息，根据此信息进一步提供D2D发现功能。
图1是根据相关技术中的UE-to-Network Relay网络架构示意图，如图1所示，一种层三(L3-based)终端到中继设备(UE-to-Network Relay)的描述，所述中继设备(Relay)作为终端和网络侧使用现有LTE方式通讯，同时还可以和覆盖外(out of coverage)的终端(图示中的UE1和UE2)使用D2D方式通讯，这些方式包括D2D发现(Discovery)和或D2D通讯 (communication)。层三类型的Relay是指，Relay从基站侧接收的数据到达数据汇聚协议层(Packet Data Convergence Protocol，简称为PDCP)层之上后通过D2D通讯转发给覆盖外UE，反之也是如此。
而在相关技术中，并未涉及远端终端如何通过Relay获得通讯服务时的节电问题，例如远端UE(remote UE)进行非连续发送数据包时，远端终端因需要保持连接状态而不得不消耗更多的能量。
针对相关技术中，在终端进行非连续发送数据包的情况下，终端保持连接状态消耗电量过大的问题，目前尚未提出有效的解决方案。
发明内容
对相关技术中，在终端进行非连续发送数据包的情况下，终端保持连接状态消耗电量过大的问题，本发明提供了终端节电方法及装置，以至少解决上述问题。
根据本发明的一个实施例，提供了一种终端节电方法，包括：远端终端在活动状态的情况下，接收中继设备的节电配置；在所述远端终端在完成接入中继设备时,启动根据所述节电配置中配置的静默定时器；所述远端终端在完成与所述中继设备的通信后，更新所述静默定时器；在所述静默定时器超时的情况下，所述远端终端进入休眠状态。
在本发明的实施例中，该方法还包括：所述远端终端进入休眠状态时，启动根据所述节电配置配置的活动持续定时器；在所述活动持续定时器超时的情况下，所述远端终端禁止监听所述中继设备发送的发现消息。
在本发明的实施例中，在所述远端终端进入休眠状态的情况下，该方法还包括：接收所述中继设备根据所述节电配置中配置的休眠周期时长和休眠周期启动偏移；在所述远端终端休眠时长达到所述休眠周期时长的情况下，重新启动所述活动持续定时器；其中，所述休眠周期启动偏移用于指示所述终端从进入休眠状态时的子帧开始，或者，所述休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，重新启动所述活动持续定时器要求的休眠时长开始于所述休眠周期启动偏移，结束于所述休眠周期启动偏移后的所述休眠周期时长个子帧。
在本发明的实施例中，所述远端终端进入休眠状态之后，该方法还包括：在所述远端终端有数据要发送或者所述远端终端有数据要接收时，所述远端终端判断是否处于所述中继设备覆盖的范围；在所述远端终端处于所述中继设备覆盖范围的情况下，监听所述中继设备广播的发现消息；在所述发现消息中包含的目标地址为所述远端终端的情况下，所述远端终端进入活动状态，所述远端终端发送发现消息响应所述中继设。
在本发明的实施例中，所述远端终端判断是否处于中继设备覆盖的范围的方式包括以下至少之一：判断所述远端终端是否检测到所述中继设备的同步信号；所述远端终端向注册的所述中继设备发送检活消息，判断所述中继设备是否响应所述检活消息；判断所述远端终端是否检测出所述中继设备发送的广播消息。
根据本发明的一个实施例，还提供了一种终端节电方法，包括：中继设备接入远端终端后且所述远端终端处于活动状态时，所述中继设备为所述远端终端分配节电配置；所述中继设备和所述远端终端成功接入后，启动根据所述节电配置配置的静默定时器；在所述中继设备和远端终端数据通信完成之后，所述中继设备更新所述静默定时器在所述静默定时器超时后，确认所述远端终端进入休眠状态。
在本发明的实施例中，在所述远端终端进入休眠状态后，所述远端终端启动根据所述节电配置配置的活动持续定时器，该方法还包括：所述中继设备发送发现消息，所述发现消息包括以下至少之一：中继设备标识，所述远端终端标识，所述远端终端下行数据指示、所述远端终端下行数据端口、所述远端终端下行数据IP地址。
在本发明的实施例中，在所述远端终端进入休眠状态的情况下，该方法还包括：发送根据所述节电配置配置的休眠周期时长和休眠周期启动偏移给远端终端；在所述远端终端休眠时长达到所述休眠周期时长的情况下，重新启动所述活动持续定时器；其中，所述休眠周期启动偏移用于指示所述终端从进入休眠状态时的子帧开始，或者，所述休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，重新启动所述活动持续定时器要求的休眠时长开始于所述休眠周期启动偏移，结束于所述休眠周期启动偏移后的所述休眠周期时长个子帧。
根据本发明的一个实施例，还提供了一种终端节电装置，包括：第一接收模块，用于远端终端在活动状态的情况下，接收中继设备的节电配置；第一配置模块，用于在所述远端终端在完成接入中继设备时,启动根据所述节电配置中配置的静默定时器；第一更新模块，用于所述远端终端在完成与所述中继设备的通信后，更新所述静默定时器第一状态模块，用于在所述静默定时器超时的情况下，所述远端终端进入休眠状态。
在本发明的实施例中，该装置还包括：第二配置模块，用于所述远端终端进入休眠状态时，启动根据所述节电配置配置的活动持续定时器；第一监听模块，用于在所述活动持续定时器超时的情况下，所述远端终端禁止监听所述中继设备发送的发现消息。
在本发明的实施例中，该装置还包括：第二接收模块，用于接收所述中继设备根据所述节电配置中配置的休眠周期时长和休眠周期启动偏移；第二更新模块，用于在所述远端终端休眠时长达到所述休眠周期时长的情况下，重新启动所述活动持续定时器；其中，所述休眠周期启动偏移用于指示所述终端从进入休眠状态时的子帧开始，或者，所述休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，重新启动所述活动持续定时器要求的休眠时长开始于所述休眠周期启动偏移，结束于所述休眠周期启动偏移后的所述休眠周期时长个子帧。
在本发明的实施例中，该装置还包括：判断模块，用于在所述远端终端有数据要发送或者所述远端终端有数据要接收时，所述远端终端判断是否处于所述中继设备覆盖的范围；第二监听模块，用于在所述远端终端处于所述中继设备覆盖范围的情况下，监听所述中继设备广播的发现消息；响应模块，用于在所述发现消息中包含的目标地址为所述远端终端的情况下，所述远端终端进入活动状态，所述远端终端发送发现消息响应所述中继设。
在本发明的实施例中，所述判断模块包括：同步信号单元，用于判断所述远端终端是否 检测到所述中继设备的同步信号；检活单元，用于所述远端终端向注册的所述中继设备发送检活消息，判断所述中继设备是否响应所述检活消息；广播单元，用于判断所述远端终端是否检测出所述中继设备发送的广播消息。
根据本发明的一个实施例，还提供了一种终端节电装置，包括：分配模块，用于中继设备接入远端终端后且所述远端终端处于活动状态时，所述中继设备为所述远端终端分配节电配置；第三配置模块，用于所述中继设备和所述远端终端成功接入后，启动根据所述节电配置配置的静默定时器；第三更新模块，用于在所述中继设备和远端终端数据通信完成之后，所述中继设备更新所述静默定时器；第二状态模块，用于在所述静默定时器超时后，确认所述远端终端进入休眠状态。
在本发明的实施例中，该装置还包括：发现模块，用于所述中继设备发送发现消息，所述发现消息包括以下至少之一：中继设备标识，所述远端终端标识，所述远端终端下行数据指示、所述远端终端下行数据端口、所述远端终端下行数据IP地址。
在本发明的实施例中，该装置还包括：发送模块，用于发送根据所述节电配置配置的休眠周期时长和休眠周期启动偏移给远端终端；第四更新模块，用于在所述远端终端休眠时长达到所述休眠周期时长的情况下，重新启动所述活动持续定时器；其中，所述休眠周期启动偏移用于指示所述终端从进入休眠状态时的子帧开始，或者，所述休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，重新启动所述活动持续定时器要求的休眠时长开始于所述休眠周期启动偏移，结束于所述休眠周期启动偏移后的所述休眠周期时长个子帧。
通过本发明，采用远端终端在活动状态的情况下，接收中继设备的节电配置；在该远端终端在完成接入中继设备时,启动根据该节电配置中配置的静默定时器；该远端终端在完成与该中继设备的通信后，更新该静默定时器；在该静默定时器超时的情况下，该远端终端进入休眠状态，解决了在终端进行非连续发送数据包的情况下，终端保持连接状态消耗电量过大的问题，减少了终端的用电量。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据相关技术中的UE-to-Network Relay网络架构示意图；
图2是根据本发明实施例的一种终端节电方法的流程图一；
图3是根据本发明实施例的一种终端节电方法的流程图二；
图4是根据本发明实施例的一种终端节电装置的结构框图一；
图5是根据本发明实施例的一种终端节电装置的结构框图二；
图6为根据本发明优选实施例远端终端从活动模式进入休眠模式实现的示意图；
图7为根据本发明优选实施例的远端终端处于休眠模式时接收数据的实现的示意图一；
图8为根据本发明优选实施例的远端终端处于休眠模式时接收数据的实现的示意图二。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
在本实施例中提供了一种终端节电方法方法，图2是根据本发明实施例的一种终端节电方法的流程图一，如图2所示，该流程包括如下步骤：
步骤S202，远端终端在活动状态的情况下，接收中继设备的节电配置；
步骤S204，在该远端终端在完成接入中继设备时,启动根据该节电配置中配置的静默定时器；
步骤S206，该远端终端在完成与该中继设备的通信后，更新该静默定时器；
步骤S208，在该静默定时器超时的情况下，该远端终端进入休眠状态。
通过上述步骤，根据中继设备对远端终端的节电配置，终端在静默定时器超时情况下，该远端终端进入休眠状态，并没有一直处于活动状态，从而节省了终端一直处于活动状态的电量，解决了在终端进行非连续发送数据包的情况下，终端保持连接状态消耗电量过大的问题，减少了终端的用电量。
在本实施例中，该远端终端进入休眠状态时，启动根据该节电配置配置的活动持续定时器；在该活动持续定时器超时的情况下，该远端终端禁止监听该中继设备发送的发现消息。并且可以接收该中继设备根据该节电配置中配置的休眠周期时长和休眠周期启动偏移，在该远端终端休眠时长达到该休眠周期时长的情况下，重新启动该活动持续定时器，其中，该休眠周期启动偏移用于指示该终端从进入休眠状态时的子帧开始，或者，该休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，重新启动该活动持续定时器要求的休眠时长开始于该休眠周期启动偏移，结束于该休眠周期启动偏移后的该休眠周期时长个子帧。
在本实施例中，在该远端终端有数据要发送或者该远端终端有数据要接收时，该远端终端判断是否处于该中继设备覆盖的范围，在该远端终端处于该中继设备覆盖范围的情况下，监听该中继设备广播的发现消息，在该发现消息中包含的目标地址为该远端终端的情况下，该远端终端进入活动状态，该远端终端发送发现消息响应该中继设。
在本实施例中，该远端终端判断是否处于中继设备覆盖的范围的方式可以包括：判断该远端终端是否检测到该中继设备的同步信号；该远端终端向注册的该中继设备发送检活消息， 判断该中继设备是否响应该检活消息；判断该远端终端是否检测出该中继设备发送的广播消息。
在本实施例中提供了一种终端节电方法，图3是根据本发明实施例的一种终端节电方法的流程图二，如图3所示，该流程包括如下步骤：
步骤S302，中继设备接入远端终端后且该远端终端处于活动状态时，该中继设备为该远端终端分配节电配置；
步骤S304，该中继设备和该远端终端成功接入后，启动根据该节电配置配置的静默定时器；
步骤S306，在该中继设备和远端终端数据通信完成之后，该中继设备更新该静默定时器；
步骤S308，在该静默定时器超时后，确认该远端终端进入休眠状态。
通过上述步骤，中继设备对远端终端的发送节电配置，终端在静默定时器超时情况下，该远端终端进入休眠状态，并没有一直处于活动状态，从而节省了终端一直处于活动状态的电量，解决了在终端进行非连续发送数据包的情况下，终端保持连接状态消耗电量过大的问题，减少了终端的用电量。
在本实施例中，在该远端终端进入休眠状态后，该远端终端启动根据该节电配置配置的活动持续定时器，该中继设备发送发现消息，该发现消息包括以下至少之一：中继设备标识，该远端终端标识，该远端终端下行数据指示、该远端终端下行数据端口、该远端终端下行数据IP地址。
在本实施例中，在该远端终端进入休眠状态的情况下，中继设备发送根据该节电配置配置的休眠周期时长和休眠周期启动偏移给远端终端；在该远端终端休眠时长达到该休眠周期时长的情况下，重新启动该活动持续定时器；其中，该休眠周期启动偏移用于指示该终端从进入休眠状态时的子帧开始，或者，该休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，重新启动该活动持续定时器要求的休眠时长开始于该休眠周期启动偏移，结束于该休眠周期启动偏移后的该休眠周期时长个子帧。
在本实施例中还提供了一种终端节电装置，该装置用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图4是根据本发明实施例的一种终端节电装置的结构框图一，如图4所示，该装置包括
第一接收模块42，设置为远端终端在活动状态的情况下，接收中继设备的节电配置；
第一配置模块44，设置为在该远端终端在完成接入中继设备时,启动根据该节电配置中配置的静默定时器；
第一更新模块46，设置为该远端终端在完成与该中继设备的通信后，更新该静默定时器；
第一状态模块48，设置为在该静默定时器超时的情况下，该远端终端进入休眠状态。
通过上述装置，根据中继设备对远端终端的节电配置，终端在静默定时器超时情况下，该远端终端进入休眠状态，并没有一直处于活动状态，从而节省了终端一直处于活动状态的电量，解决了在终端进行非连续发送数据包的情况下，终端保持连接状态消耗电量过大的问题，减少了终端的用电量。
在本实施例中，该装置还包括：第二配置模块，设置为该远端终端进入休眠状态时，启动根据该节电配置配置的活动持续定时器；第一监听模块，设置为在该活动持续定时器超时的情况下，该远端终端禁止监听该中继设备发送的发现消息。
在本实施例中，该装置还包括：第二接收模块，设置为接收该中继设备根据该节电配置中配置的休眠周期时长和休眠周期启动偏移；第二更新模块，设置为在该远端终端休眠时长达到该休眠周期时长的情况下，重新启动该活动持续定时器；其中，该休眠周期启动偏移用于指示该终端从进入休眠状态时的子帧开始，或者，该休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，重新启动该活动持续定时器要求的休眠时长开始于该休眠周期启动偏移，结束于该休眠周期启动偏移后的该休眠周期时长个子帧。
在本实施例中，该装置还包括：判断模块，设置为在该远端终端有数据要发送或者该远端终端有数据要接收时，该远端终端判断是否处于该中继设备覆盖的范围；第二监听模块，设置为在该远端终端处于该中继设备覆盖范围的情况下，监听该中继设备广播的发现消息；响应模块，设置为在该发现消息中包含的目标地址为该远端终端的情况下，该远端终端进入活动状态，该远端终端发送发现消息响应该中继设。
在本实施例中，该判断模块包括：同步信号单元，设置为判断该远端终端是否检测到该中继设备的同步信号；检活单元，设置为该远端终端向注册的该中继设备发送检活消息，判断该中继设备是否响应该检活消息；广播单元，设置为判断该远端终端是否检测出该中继设备发送的广播消息。
图5是根据本发明实施例的一种终端节电装置的结构框图二，如图5所示，该装置包括
分配模块52，设置为中继设备接入远端终端后且该远端终端处于活动状态时，该中继设备为该远端终端分配节电配置；
第三配置模块54，设置为该中继设备和该远端终端成功接入后，启动根据该节电配置配置的静默定时器；
第三更新模块56，设置为在该中继设备和远端终端数据通信完成之后，该中继设备更新该静默定时器
第二状态模块58，设置为在该静默定时器超时后，确认该远端终端进入休眠状态。
通过上述装置，中继设备对远端终端的发送节电配置，终端在静默定时器超时情况下， 该远端终端进入休眠状态，并没有一直处于活动状态，从而节省了终端一直处于活动状态的电量，解决了在终端进行非连续发送数据包的情况下，终端保持连接状态消耗电量过大的问题，减少了终端的用电量。
在本实施例中，该装置还包括：发现模块，设置为该中继设备发送发现消息，该发现消息包括以下至少之一：中继设备标识，该远端终端标识，该远端终端下行数据指示、该远端终端下行数据端口、该远端终端下行数据IP地址。
在本实施例中，该装置还包括：发送模块，设置为发送根据该节电配置配置的休眠周期时长和休眠周期启动偏移给远端终端；第四更新模块，设置为在该远端终端休眠时长达到该休眠周期时长的情况下，重新启动该活动持续定时器；其中，该休眠周期启动偏移用于指示该终端从进入休眠状态时的子帧开始，或者，该休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，重新启动该活动持续定时器要求的休眠时长开始于该休眠周期启动偏移，结束于该休眠周期启动偏移后的该休眠周期时长个子帧。
下面结合优选地实施例和实施方式对本发明进行详细说明。
实施例一
在本优选实施例中，远端终端的状态分为活动状态(active mode)和休眠状态(sleep mode)。
远端终端在接入临近服务(Prose)中继(Relay)设备后进入活动状态(active mode)；远端终端在接入所述中继设备时,所述中继设备为所述终端配置节电配置；所述节电配置包括如下之一或组合：静默定时器(inactivity timer)；活动持续定时器(on duration timer)；休眠周期时长(sleep cycle)；休眠周期启动偏移(sleep mode start offset)。
远端终端在活动状态时的操作包括如下之一或组合：
远端终端在完成接入中继设备后,启动静默定时器(inactivity timer)；
远端终端在完成接收发送给自己的D2D数据或发送D2D数据后更新静默定时器(inactivity timer)；
远端终端在静默定时器(inactivity timer)超时后进入休眠状态(sleep mode)；
远端终端在休眠状态时的操作包括如下之一或组合：
远端终端进入休眠(sleep mode)时保留接入中继(Relay)设备信息和或所述中继设备为其分配的配置，例如节电配置，IP地址配置；
远端终端进入休眠(sleep mode)时启动活动持续定时器(on duration timer)；
活动持续定时器(on duration timer)超时后，不再监听所述中继设备发来的发现消息；
根据所述节电配置的休眠周期时长(sleep cycle)和休眠周期启动偏移(sleep mode start offset)，所述远端终端当休眠周期时长到达时重新启动活动持续定时器(on duration timer)，休 眠周期启动偏移(sleep mode start offset)为所述终端进入休眠状态时的子帧(subframe)开始，或者从上一轮休眠周期结束时的下一子帧开始，休眠时长开始于休眠周期启动偏移，结束于休眠周期启动偏移后休眠周期时长(sleep cycle)个子帧；
远端终端在在活动持续定时器(on duration timer)时做如下操作之一或组合：
远端终端有数据要发送时进入活动状态(active mode)；
处于服务(Prose)中继(Relay)覆盖范围时，监听所述中继广播发送的D2D发现(discovery)消息，如果所述发现消息中包含目标地址为所述远端终端，所述远端终端进入活动状态(active mode)，所述远端终端发送发现消息响应中继终端
不处于服务中继覆盖范围时，进入活动状态；
其中，远端终端进入活动状态(active mode)时，停止活动持续定时器(on duration timer)，停止计算休眠周期；
其中，检查处于服务中继覆盖方法的方法包括如下之一或组合：
远端终端可以检测出服务中继设备的同步信号(synchronization signal)；
通过检活流程，例如远端终端向注册的中继设备发送检活消息，中继设备响应成功的检活消息；
通过检测出服务中继发送的广播消息；
其中，检查不处于服务中继覆盖方法的方法包括如下之一或组合：
远端终端检测不到出服务中继设备的同步信号(synchronization signal)；
检活流程失败，例如远端终端向注册的中继设备发送检活消息，中继设备没有响应或返回失败的检活消息；
远端终端无法检测出服务中继发送的广播消息；
方法还包括：
核心网通过临近服务(Prose)中继(Relay)终端转发数据到远端终端；
所述转发使用如下转发地址之一：
中继终端为远端终端分配地址，例如中继终端为接入的远端终端分配IPv6地址；
中继终端为远端终端分配端口，例如中继终端为接入的远端终端分配IPv4地址和端口；
核心网通过中继终端转发数据到远端终端的方法包括如下步骤：
核心网元通过数据报文中的地址信息发送给中继终端，数据中包含远端终端对应的端口和或IPV6地址信息；
中继终端根据数据中包括的远端终端对应的端口和或IPV6地址信息，将数据通过转发给远端终端；
进一步的，所述转发还包括：
eNB寻呼relay UE的paging消息中还包括有远端终端在服务中继的端口号；
本实施例的方法还包括：
中继设备在接入远端终端后，为远端终端分配节电配置；
所述节电配置包括如下之一或组合:
静默定时器(inactivity timer)；
活动持续定时器(on duration timer)；
休眠周期时长(sleep cycle)；
休眠周期启动偏移(sleep mode start offset)。
优化的情况下，所述休眠周期时长(sleep cycle)等于中继设备发现周期或是所述发现周期的整数倍。
中继设备根据所述配置计算出远端终端处于活动状态(active mode)或休眠状态(sleep mode)，例如中继设备在远端设备成功接入后启动静默定时器(inactivity timer)，在静默定时器(inactivity timer)超时后判断所述远端终端进入休眠状态。例如中继在静默定时器(inactivity timer)未超时时和远端终端有数据通信，在数据通信完成之后，中继设备重启静默定时器(inactivity timer)。
当远端终端处于活动状态时，中继设备将数据转发给远端终端；
当远端终端处于休眠状态时，中继设备操作包括如下流程：
中继设备在所述远端终端的活动持续定时器(on duration timer)启动期间，发送D2D发现消息，消息中携带远端终端的信息，包括中继设备标识，远端设备终端标识，远端终端下行数据指示，端口和或IP地址；
远端设备发送发现消息响应中继设备，包括中继设备标识，远端设备终端标识；
中继设备将数据转发给远端终端；
实施例二
图6为根据本发明优选实施例远端终端从活动模式进入休眠模式实现的示意图，如图6所示，
本优选实施例为远端终端从活动模式进入休眠模式后离开relay UE覆盖的情况，该方法 包括以下步骤：
步骤602，远端终端(remote UE)进入连接态后静默定时器(inactivity timer)超时
远端终端在接入临近服务中继终端(Prose relay UE)时，relay UE为remote UE配置了静默定时器(inactivity timer)，活动持续定时器(on duration timer)，休眠周期时长(sleep cycle)，休眠周期启动偏移(sleep mode start offset)等配置。在静默定时器超时之前，远端终端和中继终端之间没有数据发送和接收，静默定时器(inactivity timer)超时后，remote UE进入休眠状态(sleep mode)。
步骤604，远端终端离开中继终端覆盖范围
远端终端根据配置启动活动持续定时器(on duration timer)，在活动持续定时器(on duration timer)启动期间，检查是否还在该中继终端的覆盖范围，例如远端终端可以通过检测出服务中继设备的同步信号(synchronization signal)，通过检活流程，例如远端终端向注册的中继设备发送检活消息，中继设备响应成功的检活消息，通过检测出服务中继发送的广播消息等方法确认是否在原先注册的中继终端的覆盖范围之内。
如果离开了覆盖，远端终端从休眠状态转到活动状态，并启动发现relay UE的过程。
实施例三
本实施例为远端终端从活动模式进入休眠模式后又有数据发送的情况，如图6所示，该方法包括以下步骤：
步骤606，远端终端(remote UE)进入连接态后静默定时器(inactivity timer)超时
远端终端在接入临近服务中继终端(Prose relay UE)时，relay UE为remote UE配置了静默定时器(inactivity timer)，活动持续定时器(on duration timer)，休眠周期时长(sleep cycle)，休眠周期启动偏移(sleep mode start offset)等配置，，远端终端和中继终端之间没有数据发送和接收，静默定时器(inactivity timer)超时后，remote UE进入休眠状态(sleep mode)。
步骤608，远端终端在休眠状态时有数据要发送
远端终端休眠状态时有数据要发送，远端终端进入活动状态。进入活动状态后，远端终端检查是否处于原先注册relay UE的覆盖范围内，如果仍处于该中继终端的覆盖范围内，远端终端启动发送数据的过程，例如向中继终端发送D2D通信数据
如果离开了原先中继终端的覆盖范围，该远端终端启动relay UE的发现过程。
实施例四
图7为根据本发明优选实施例的远端终端处于休眠模式时接收数据的实现的示意图一，如图7所示，本实施例为远端终端处于休眠模式时接收数据的情况，本实施例中relay UE和 remote UE均处于休眠模式，如图7所示，该方法包括以下步骤：
步骤S702，分组数据网网关(Packet Data Network GateWay，简称为P-GW)接收到下行数据,
数据包到达P-GW之后，P-GW根据下行数据携带的目标IP地址判断应该将数据发送到relay UE，P-GW将收到的发送给remote UE的数据包转发给服务relay UE的S-GW。
步骤S704，服务网关(Serving GateWay，简称为S-GW)向移动管理实体(Mobility Management Entity，简称为MME)发数据通知，
S-GW向服务relay UE的MME发送下行数据通知，触发MME发起寻呼Relay UE。
步骤S706，MME向eNB发寻呼消息
MME可在relay UE注册的TAI列表粒度范围内确定处于ECM-IDLE状态的relay UE位置。MME发送PAGING消息给对应于relay UE所在TAI(Tracking Area Identity)列表中包含的TAs(Tracking Area List)覆盖的所有eNB。
该PAGING消息中携带的终端标识为Relay UE的终端标识，该消息中还包括远端终端的端口号。
步骤S708，eNB寻呼Relay UE
eNB收到PAGING消息后，eNB逐个判断各个小区的TA是否与TAI列表中包含的TAI信息一致，如果一致，则在相应的小区上通过空口PAGING消息寻呼relay UE。
该PAGING消息中携带的终端标识为Relay UE的终端标识，该消息中还包括远端终端的端口号。
步骤S710，临近服务的中继终端(Relay UE)发现远端终端(remote UE)
中继终端通过paging消息中的远端终端的端口号判断数据是需要发送给远端终端的；中继终端启动D2D发现流程；
中继设备在接入远端终端后，为远端终端分配节电配置包括静默定时器(inactivity timer)，活动持续定时器(on duration timer)，休眠周期时长(sleep cycle)，休眠周期启动偏移(sleep mode start offset)。
中继设备根据该配置计算出远端终端处于活动状态(active mode)或休眠状态(sleep mode)，例如中继设备在远端设备成功接入后启动静默定时器(inactivity timer)，在静默定时器(inactivity timer)超时后判断该远端终端进入休眠状态。例如中继在静默定时器(inactivity timer)未超时时和远端终端有数据通信，在数据通信完成之后，中继设备重启静默定时器(inactivity timer)。
当远端终端处于休眠状态时，中继设备在该远端终端的活动持续定时器(on duration timer)启动期间，发送D2D发现消息，消息中携带远端终端的信息，包括中继设备标识，远端设备 终端标识，远端终端下行数据指示，端口和或IP地址等信息
该消息使用PC5接口，该消息可以复用非公共安全的发现消息或公共安全的发现消息或者是Remote UE和Relay UE之间的连接建立消息。
步骤S712，远端终端(remote UE)进入活动模式(active mode)并发送发现响应消息给该中继终端
Remote UE在活动持续定时器(on duration timer)启动期间接收到Relay UE的发现消息，检测出目标地址为自己的数据指示，remote UE进入活动模式，并发送发现响应(Discovery response)消息给该relay UE。该消息使用PC5接口，该消息可以复用非公共安全的发现消息或公共安全的发现消息或者是Remote UE和Relay UE之间的连接建立消息。
步骤S714，relay UE启动服务请求过程
Relay UE收到远端终端(remote UE)发送来的发现响应(Discovery response)消息后，启动服务请求(service request procedure)过程。建立演进分组系统(Evolved Packet System，简称为EPS)承载。
步骤S716，PGW数据下发
Relay UE的EPS承载建立完成后，数据从PGW下发到relay UE
步骤S718，Relay UE转发数据
Relay UE接收到下行数据后，根据下行数据的目的地址和或端口号，通过PC5接口将数据转发给remote UE，该接口使用的是临近通讯(Prose communication)方式传递。
实施例五
图8为根据本发明优选实施例的远端终端处于休眠模式时接收数据的实现的示意图二，如图8所示，本实施例为远端终端处于休眠模式时接收数据的流程，如图8所示，该方法包括以下步骤：
步骤S802，Relay UE建立EPS承载
Relay UE处于连接态，并建立了EPS承载。PGW的数据下发到relay UE时，其目标地址或端口为远端终端。
步骤S804，Relay UE触发发现消息到remote UE
当有目的地址为Remote UE的数据时，Relay UE触发向remote UE的发现消息；
中继设备在接入远端终端后，为远端终端分配节电配置包括静默定时器(inactivity timer)，活动持续定时器(on duration timer)，休眠周期时长(sleep cycle)，休眠周期启动偏移(sleep mode start offset)。
中继设备根据该配置计算出远端终端处于活动状态(active mode)或休眠状态(sleep mode)，例如中继设备在远端设备成功接入后启动静默定时器(inactivity timer)，在静默定时器(inactivity timer)超时后判断该远端终端进入休眠状态。例如中继在静默定时器(inactivity timer)未超时时和远端终端有数据通信，在数据通信完成之后，中继设备重启静默定时器(inactivity timer)。
当远端终端处于休眠状态时，中继设备在该远端终端的活动持续定时器(on duration timer)启动期间，发送D2D发现消息，消息中携带远端终端的信息，包括中继设备标识，远端设备终端标识，远端终端下行数据指示，端口和或IP地址等信息。。该消息使用PC5接口，该消息可以复用非公共安全的发现消息或公共安全的发现消息或者是Remote UE和Relay UE之间的连接建立消息。
步骤S806，远端终端(remote UE)进入活动模式(active mode)
Remote UE在活动持续定时器(on duration timer)启动期间接收到Relay UE的发现消息，检测出目标地址为自己的数据指示，remote UE进入活动模式，并发送发现响应(Discovery response)消息给该relay UE。该消息使用PC5接口，该消息可以复用非公共安全的发现消息或公共安全的发现消息或者是Remote UE和Relay UE之间的连接建立消息
步骤S808，Relay UE转发数据
Relay UE通过PC5接口将数据转发给remote UE，该接口使用的是临近通讯(Prose communication)方式传递.
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本发明各个实施例该的方法。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
基于本发明实施例提供的上述技术方案，远端终端在活动状态的情况下，接收中继设备的节电配置；在该远端终端在完成接入中继设备时,启动根据该节电配置中配置的静默定时器；该远端终端在完成与该中继设备的通信后，更新该静默定时器；在该静默定时器超时的情况下，该远端终端进入休眠状态，解决了在终端进行非连续发送数据包的情况下，终端保持连接状态消耗电量过大的问题，减少了终端的用电量。

Claims (16)

  1. 一种终端节电方法，包括：
    远端终端在活动状态的情况下，接收中继设备的节电配置；
    在所述远端终端在完成接入中继设备时,启动根据所述节电配置中配置的静默定时器；
    所述远端终端在完成与所述中继设备的通信后，更新所述静默定时器；
    在所述静默定时器超时的情况下，所述远端终端进入休眠状态。
  2. 根据权利要求1所述的方法，其中，该方法还包括：
    所述远端终端进入休眠状态时，启动根据所述节电配置配置的活动持续定时器；
    在所述活动持续定时器超时的情况下，所述远端终端禁止监听所述中继设备发送的发现消息。
  3. 根据权利要求2所述的方法，其中，在所述远端终端进入休眠状态的情况下，该方法还包括：
    接收所述中继设备根据所述节电配置中配置的休眠周期时长和休眠周期启动偏移；
    在所述远端终端休眠时长达到所述休眠周期时长的情况下，重新启动所述活动持续定时器；
    其中，所述休眠周期启动偏移用于指示所述终端从进入休眠状态时的子帧开始，或者，所述休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，
    重新启动所述活动持续定时器要求的休眠时长开始于所述休眠周期启动偏移，结束于所述休眠周期启动偏移后的所述休眠周期时长个子帧。
  4. 根据权利要求1所述的方法，其中，所述远端终端进入休眠状态之后，该方法还包括：
    在所述远端终端有数据要发送或者所述远端终端有数据要接收时，所述远端终端判断是否处于所述中继设备覆盖的范围；
    在所述远端终端处于所述中继设备覆盖范围的情况下，监听所述中继设备广播的发现消息；
    在所述发现消息中包含的目标地址为所述远端终端的情况下，所述远端终端进入活动状态，所述远端终端发送发现消息响应所述中继设。
  5. 根据权利要求4所述的方法，其中，所述远端终端判断是否处于中继设备覆盖的范围的方式包括以下至少之一：
    判断所述远端终端是否检测到所述中继设备的同步信号；
    所述远端终端向注册的所述中继设备发送检活消息，判断所述中继设备是否响应所 述检活消息；
    判断所述远端终端是否检测出所述中继设备发送的广播消息。
  6. 一种终端节电方法，包括：
    中继设备接入远端终端后且所述远端终端处于活动状态时，所述中继设备为所述远端终端分配节电配置；
    所述中继设备和所述远端终端成功接入后，启动根据所述节电配置配置的静默定时器；
    在所述中继设备和远端终端数据通信完成之后，所述中继设备更新所述静默定时器
    在所述静默定时器超时后，确认所述远端终端进入休眠状态。
  7. 根据权利要求6所述的方法，其中，在所述远端终端进入休眠状态后，所述远端终端启动根据所述节电配置配置的活动持续定时器，该方法还包括：
    所述中继设备发送发现消息，所述发现消息包括以下至少之一：中继设备标识，所述远端终端标识，所述远端终端下行数据指示、所述远端终端下行数据端口、所述远端终端下行数据IP地址。
  8. 根据权利要求7所述的方法，其中，在所述远端终端进入休眠状态的情况下，该方法还包括：
    发送根据所述节电配置配置的休眠周期时长和休眠周期启动偏移给远端终端；
    在所述远端终端休眠时长达到所述休眠周期时长的情况下，重新启动所述活动持续定时器；
    其中，所述休眠周期启动偏移用于指示所述终端从进入休眠状态时的子帧开始，或者，所述休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，
    重新启动所述活动持续定时器要求的休眠时长开始于所述休眠周期启动偏移，结束于所述休眠周期启动偏移后的所述休眠周期时长个子帧。
  9. 一种终端节电装置，包括：
    第一接收模块，设置为远端终端在活动状态的情况下，接收中继设备的节电配置；
    第一配置模块，设置为在所述远端终端在完成接入中继设备时,启动根据所述节电配置中配置的静默定时器；
    第一更新模块，设置为所述远端终端在完成与所述中继设备的通信后，更新所述静默定时器；
    第一状态模块，设置为在所述静默定时器超时的情况下，所述远端终端进入休眠状 态。
  10. 根据权利要求9所述的装置，其中，该装置还包括：
    第二配置模块，设置为所述远端终端进入休眠状态时，启动根据所述节电配置配置的活动持续定时器；
    第一监听模块，设置为在所述活动持续定时器超时的情况下，所述远端终端禁止监听所述中继设备发送的发现消息。
  11. 根据权利要求10所述的装置，其中，该装置还包括：
    第二接收模块，设置为接收所述中继设备根据所述节电配置中配置的休眠周期时长和休眠周期启动偏移；
    第二更新模块，设置为在所述远端终端休眠时长达到所述休眠周期时长的情况下，重新启动所述活动持续定时器；
    其中，所述休眠周期启动偏移用于指示所述终端从进入休眠状态时的子帧开始，或者，所述休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，
    重新启动所述活动持续定时器要求的休眠时长开始于所述休眠周期启动偏移，结束于所述休眠周期启动偏移后的所述休眠周期时长个子帧。
  12. 根据权利要求9所述的装置，其中，该装置还包括：
    判断模块，设置为在所述远端终端有数据要发送或者所述远端终端有数据要接收时，所述远端终端判断是否处于所述中继设备覆盖的范围；
    第二监听模块，设置为在所述远端终端处于所述中继设备覆盖范围的情况下，监听所述中继设备广播的发现消息；
    响应模块，设置为在所述发现消息中包含的目标地址为所述远端终端的情况下，所述远端终端进入活动状态，所述远端终端发送发现消息响应所述中继设。
  13. 根据权利要求12所述的装置，其中，所述判断模块包括：
    同步信号单元，设置为判断所述远端终端是否检测到所述中继设备的同步信号；
    检活单元，设置为所述远端终端向注册的所述中继设备发送检活消息，判断所述中继设备是否响应所述检活消息；
    广播单元，设置为判断所述远端终端是否检测出所述中继设备发送的广播消息。
  14. 一种终端节电装置，包括：
    分配模块，设置为中继设备接入远端终端后且所述远端终端处于活动状态时，所述中继设备为所述远端终端分配节电配置；
    第三配置模块，设置为所述中继设备和所述远端终端成功接入后，启动根据所述节电配置配置的静默定时器；
    第三更新模块，设置为在所述中继设备和远端终端数据通信完成之后，所述中继设备更新所述静默定时器
    第二状态模块，设置为在所述静默定时器超时后，确认所述远端终端进入休眠状态。
  15. 根据权利要求14所述的装置，其中，该装置还包括：
    发现模块，设置为所述中继设备发送发现消息，所述发现消息包括以下至少之一：中继设备标识，所述远端终端标识，所述远端终端下行数据指示、所述远端终端下行数据端口、所述远端终端下行数据IP地址。
  16. 根据权利要求15所述的装置，其中，该装置还包括：
    发送模块，设置为发送根据所述节电配置配置的休眠周期时长和休眠周期启动偏移给远端终端；
    第四更新模块，设置为在所述远端终端休眠时长达到所述休眠周期时长的情况下，重新启动所述活动持续定时器；
    其中，所述休眠周期启动偏移用于指示所述终端从进入休眠状态时的子帧开始，或者，所述休眠周期启动偏移从上一轮休眠结束时的下一子帧开始，
    重新启动所述活动持续定时器要求的休眠时长开始于所述休眠周期启动偏移，结束于所述休眠周期启动偏移后的所述休眠周期时长个子帧。
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