WO2010105432A1 - 一种通信方法、中继设备、终端设备及中继系统 - Google Patents

一种通信方法、中继设备、终端设备及中继系统 Download PDF

Info

Publication number
WO2010105432A1
WO2010105432A1 PCT/CN2009/070909 CN2009070909W WO2010105432A1 WO 2010105432 A1 WO2010105432 A1 WO 2010105432A1 CN 2009070909 W CN2009070909 W CN 2009070909W WO 2010105432 A1 WO2010105432 A1 WO 2010105432A1
Authority
WO
WIPO (PCT)
Prior art keywords
data
relay
relay link
parameter
relay device
Prior art date
Application number
PCT/CN2009/070909
Other languages
English (en)
French (fr)
Inventor
姚霈
孙晓婷
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2009/070909 priority Critical patent/WO2010105432A1/zh
Priority to CN2009801198816A priority patent/CN102257863A/zh
Publication of WO2010105432A1 publication Critical patent/WO2010105432A1/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/28Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a communication method, a relay device, a terminal device, and a relay system.
  • the discontinuous reception (DRX) technology is proposed to reduce the power consumption of the terminal.
  • the DRX refers to a user equipment (UE, User Equipment) that can receive data for a period of time and can be in a sleep state for another period of time, but during the sleep time, the UE can turn off the receiver to save power and reduce The purpose of power consumption. That is to say, for services with low latency requirements or for services with high latency but relatively regular data, discontinuous reception methods such as voice over IP (VoIP) may be used.
  • VoIP voice over IP
  • the evolved base station eNB is responsible for the scheduling of the UE as the only network node. That is, the eNB configures the UE according to the needs of the service, and the configuration process is as follows: The eNB sends a radio resource control (RRC, Radio Resource Control) reconfiguration message to the UE, where the RRC reconfiguration message carries the DR configuration parameter of the UE.
  • the DR configuration parameters include: a discontinuous reception cycle (DRX cycle), an on Duration (on Duration), a DR inactivity timer, and a discontinuous reception control medium access control layer control command (DRX Command MAC control).
  • the eNB is responsible for the scheduling of the UE as the only network node, and the Relay cannot provide the UE in the DR state. service. Summary of the invention
  • the embodiment of the invention provides a communication method, a relay device, a terminal device and a relay system, so that the relay device provides services for the UE in the DR state.
  • the embodiment of the present invention provides a communication method, and the method includes: Notifying the user equipment that the UE remains in an active state before receiving the relay link data first transmission indication; transmitting the relay link data to the UE.
  • the embodiment of the present invention further provides a communication method, where the method includes:
  • the user equipment UE receives a notification that the relay device indicates that the UE remains in an active state before receiving the relay link data first transmission indication;
  • the UE maintains an active state according to the notification and receives relay link data.
  • the embodiment of the present invention further provides a communication method, where the method includes:
  • the relay device sends the discontinuous reception DR parameter to the user equipment UE, and the DR parameter is configured by the relay device or the eNB.
  • an embodiment of the present invention provides a relay device, including:
  • a notification unit configured to notify the user equipment that the UE maintains the activation state before receiving the relay link data first transmission indication
  • a sending unit configured to send, by the notification unit, the relay link data to the UE after the UE is notified to remain in an activated state.
  • the embodiment of the invention further provides a terminal device, including:
  • a notification receiving unit configured to receive, by the relay device, a notification that the UE remains in an active state before receiving the relay link data first indication
  • the data receiving unit is configured to maintain an activation state according to the notification received by the notification receiving unit, and receive the relay link data.
  • the embodiment of the invention further provides a relay device, including:
  • a parameter determining unit configured to determine a DR parameter configured for the UE, where the DR parameter is configured by the relay device or the eNB;
  • a parameter sending unit configured to send the DR parameter determined by the parameter determining unit to the UE.
  • the embodiment of the present invention further provides a relay system, including: a UE and a relay device, where the relay device is configured to notify the UE to remain in an active state before receiving the relay link data first transmission indication, and Relay link data is sent to the UE;
  • the UE is configured to receive, by the relay device, a notification that the UE remains in an active state before receiving the relay link data first transmission indication, and according to the notification, the activation state is maintained, and the number of relay links is received. According to.
  • the relay device when the relay link data transmission error occurs, the relay device notifies the UE to remain in the active state before receiving the relay link data first transmission indication, and will be relayed.
  • the link data is sent to the UE, so that the UE can maintain an active state according to the notification, so as to receive the relay link data sent by the relay device.
  • the embodiment of the invention implements the relay device to provide services for the UE in the DRX state.
  • FIG. 1 is a flowchart of a communication method provided in an embodiment of the present invention.
  • FIG. 3 is a specific flowchart of a communication method according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of configuring a DR parameter of a UE by a relay device according to an embodiment of the present invention
  • FIG. 5 is a flowchart of configuring a DR parameter of a UE by an eNB according to an embodiment of the present invention
  • FIG. 7 is a flowchart of a specific application of the communication method provided in the embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a time for extending an activation state of a UE according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of an application example of extending the activation state of a UE according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of another time for extending an activation state of a UE according to an embodiment of the present invention.
  • FIG. 11 is an extended UE according to an embodiment of the present invention;
  • FIG. 12 is a schematic diagram of a frame structure after a relay device is introduced in a long term evolution system according to an embodiment of the present invention;
  • FIG. 13 is a schematic diagram of a DRX command 1 message format according to an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of a relay device according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 16 is another schematic structural diagram of a relay device according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a relay system according to an embodiment of the present invention.
  • the port link is divided into an access link ( Relay-UE) between the UE and the RN, and a relay link (eNB-Relay) between the RN and the eNB.
  • Relay-UE access link
  • eNB-Relay relay link
  • the existing hybrid ARQ backhaul timer ( HARQ RTT timer ) and the hybrid ARQ retransmission timer ( HARQ retransmission timer ) combination mechanism can only ensure that the UE can receive the retransmission data of the access link.
  • the embodiment of the present invention provides a communication method, a relay device, a terminal device, and a relay system, and how to notify the UE of receiving a relay link when the data transmission of the relay link is incorrect or there is data to be transmitted.
  • the data first transmission indication is kept in an active state, and the retransmitted data packet is sent to the UE, and the problem that the UE can receive the data packet in the active state period.
  • the UE is notified.
  • the problem of how the eNB negotiates the DRX configuration parameter of the UE with the relay device is also solved, so that the relay device (or the relay node) is in the DRX state.
  • the UE provides services and further improves the quality of service.
  • a flowchart of a communication method in an embodiment of the present invention includes: Step 101: A relay device notifies a user equipment that a UE maintains an active state before receiving a relay link data first transmission indication;
  • Step 102 The relay device sends the relay link data to the UE.
  • the method further includes: the relay device determines that the data transmission error on the relay link; or, the relay device determines that there is data to be sent on the relay link, for example, buffering a large amount of pending data.
  • the UE may be notified to remain in an active state before receiving the relay link data first transmission indication, and when receiving the data retransmitted by the eNB, The data is sent to the UE, where the relay device can actively request the evolved base station eNB to retransmit the data and then receive the data retransmitted by the eNB.
  • the relay device can actively request the evolved base station eNB to retransmit the data and then receive the data retransmitted by the eNB.
  • the UE may be notified to remain in an active state before receiving the relay link data first transmission indication, so that the UE can receive all the data.
  • the relay device in this embodiment may notify the UE that the UE is connected by using the first DR control command.
  • the active state is maintained until the relay link data first transmission indication is received, so as to receive the data sent by the relay device.
  • the first DR control command may be a medium access control layer message, or a physical layer message, or a radio resource control layer message, which is not limited in this embodiment.
  • the first DRX control command may further be used to notify the UE to enter a sleep state after receiving the relay link data first transmission indication; or When it is determined that there is data to be sent on the relay link, the first DR control command may be further used to notify the UE to enter a sleep state when there is no data to be sent on the relay link.
  • the method further includes:
  • the relay device configures the UE to receive the discontinuous reception DR parameter; and determines that the UE is about to end the activation state according to the DR parameter; and notifies the UE that the relay link data is received when the UE is about to end the activation state or the activation state.
  • the relay device After configuring the UE to discontinue receiving the DR parameter, the relay device notifies the UE and the eNB of the configured DR parameters.
  • the relay device may send the DR parameter to the UE through the RRC reconfiguration message, and send the DR parameter to the eNB by using the relay link message, but the method is not limited to the method, and the DR parameter may be sent to the UE through other messages.
  • the eNB is not limited in this embodiment.
  • the eNB may also configure the DRX parameter for the UE, and send the configured DRX parameter to the relay device. After the DR device saves the DR parameter, the relay device sends the DR parameter to the UE.
  • the specific configuration and transmission process are detailed below, and will not be described in detail here.
  • a communication method is also provided in the embodiment of the present invention, and the flowchart thereof is shown in FIG. 2, and the method includes:
  • Step 201 The user equipment UE receives a notification that the relay device indicates that the UE remains in an active state before receiving the relay link data first transmission indication.
  • Step 202 The UE maintains an active state according to the notification, and receives relay link data.
  • the notification may be a first DRX control command, which is a medium access control layer message, or a physical layer message, or a radio resource control layer message. But not limited Here.
  • the UE may enter a sleep state; or, when the UE determines that there is no data to be sent on the relay link, the UE may enter a sleep state.
  • the UE may also receive a DR parameter configured on the network side, and the network side may be a DR parameter configured by the relay device or the eNB.
  • the embodiment of the present invention further provides a communication method, including: the relay device sends a DR parameter to the user equipment UE, where the DR parameter is configured by the relay device or the eNB.
  • the method further includes: the relay device sends the DR parameter to the eNB; or
  • the method further includes: the relay device receiving the DR parameter configured by the eNB.
  • the relay device sends the discontinuous reception DR parameter to the UE, and the RRC reconfiguration message or the relay link message can be controlled by the radio resource, which is not limited in the embodiment of the present invention.
  • Step 301 When a relay device determines that a relay link data transmission error occurs, the relay device sends a first DRX to the user equipment UE.
  • a control command (DRX command 1), the first DR control command is used to indicate the time when the UE is extended to the activation state, and may further include: instructing the eNB to retransmit the data; wherein, the relay device sends the DRX command 1 and notifies the eNB to retransmit the data.
  • the eNB may be notified to retransmit the data, etc., which is not limited in this embodiment.
  • the first DR control command is further used to notify the UE to enter a sleep state after receiving the relay link data first transmission indication.
  • Step 302 The relay device receives the data retransmitted by the eNB, and sends the data to the UE.
  • the first DRX control command may also be sent to the UE, so that the relay device sends the data to be sent to the UE.
  • the first DR control command is further used to notify the UE to enter a sleep state when there is no data to be sent on the relay link.
  • the sending the first DRX control command to the user equipment UE specifically includes: The message, PHY layer or RRC layer message over the MAC layer sends a first DR control command (DRX command 1) to the user equipment UE.
  • the first DR control command is used to indicate the time when the UE extends the activation state, and the message format may be: adding a specific logical channel ID (LCID) to the sub-head of the medium access control layer protocol data unit to identify the first
  • the DR controls commands but is not limited to this.
  • the relay device may send a DRX command 1 command to the UE, and if the UE receives the relay device in the active state, the DRX command is sent.
  • the DRX command 1 the activation time can be extended, or the user can sleep for a period of time, and enter the active state until receiving the data packet retransmitted by the relay device.
  • the embodiment further includes: the relay device configuring the DR parameter for the UE; determining the UE according to the DR parameter The activation status is about to end.
  • the relay device and the eNB may configure the DR parameter for the UE. If the DR parameter of the UE is configured by the relay device, the configured DR parameters are respectively sent to the UE and the eNB.
  • the eNB sends the DR parameter configured for the UE to the relay device, and after receiving the DR parameter, the relay device sends the DRX parameter to the UE, or the eNB configures the UE for the UE. Sent to the user equipment and relay equipment.
  • the DR parameter of the UE may be configured by the eNB, or may be configured by the relay device.
  • the relay device needs to report the DR parameter assigned to the UE to the eNB.
  • the relay device also needs to know the parameter. However, it is not limited to this. It can also be configured by other network elements as needed, and then notify the eNB and the relay device of the configured DR parameters.
  • the receiving, by the eNB, the DR parameter configured by the eNB to be configured for the UE includes: the relay device may receive the DR parameter configured by the eNB for the UE by using a RRC (Radio Resource Control) reconfiguration message (Connection configuration) (DRX parameter); or the relay device may receive, by the relay link message, the DR parameter configured by the eNB for the UE, but is not limited thereto.
  • RRC Radio Resource Control
  • DRX parameter Connection configuration
  • the RRC reconfiguration message may include: a DR start position (drx-StartOffset), an activation state timer (onDurationTimer), and a DRX long period (longDRX-Cycle), which may also include Following the system frame number (SFN, System Frame Number) of the device cell and the DR short cycle (short DRX);
  • a DR start position (drx-StartOffset)
  • an activation state timer onDurationTimer
  • longDRX-Cycle which may also include Following the system frame number (SFN, System Frame Number) of the device cell and the DR short cycle (short DRX);
  • the relay link message may include: a DR start position (drx-StartOffset), an onDurationTimer, and a DR long period (longDRX-Cycle), and may further include: an identifier of the UE.
  • the drx-StartOffset has the meaning: [(SFN * 10)
  • DRX Cycle DRX Start Offset;
  • the onDurationTimer meaning: the same number of consecutive PDCCH-subframe(s) at the beginning of a DRX Cycle; the longDRX-Cycle; the short DRX; For the known technology, it will not be described here.
  • FIG. 4 it is a flowchart of configuring a DR parameter of a UE by a relay device according to an embodiment of the present invention.
  • the DR parameter of the UE is configured by the relay device, which specifically includes:
  • Step 401 The relay device configures the DR parameter of the UE; the relay device may determine the DR parameter according to the quality of service (QoS) of the UE service.
  • QoS quality of service
  • Step 402 The relay device sends the DR parameter of the UE to the UE by using an RRC reconfiguration message, where the RRC reconfiguration message carries the DRX parameter of the UE.
  • Step 403 The relay device notifies the eNB of the DR parameter of the UE by using a relay link message, where the relay link message includes a DRX parameter.
  • the DRX parameter may include one or any combination of the following parameters: drx-StartOffset, onDurationTimer, DRX inactivity timer (drx-InactivityTimer) and longDRX-Cycle, and may also include: SFN and short DRX of the relay cell, the present invention
  • drx-StartOffset onDurationTimer
  • DRX inactivity timer drx-InactivityTimer
  • longDRX-Cycle longDRX-Cycle
  • SFN short DRX of the relay cell
  • steps 402 and 403 do not have an inevitable execution order.
  • step 402 is performed before step 403.
  • the UE's DR parameters are configured by the eNB, there are three cases, but not limited to this:
  • the first one is: after the eNB configures the DR parameter of the UE, the configured DR parameter is sent to the relay device by using an RRC reconfiguration message, if the relay device can decode the RRC reconfiguration message of the UE, and obtain the The UE's DR parameters are then sent to the UE. Its The implementation process of the body is shown in Figure 5.
  • FIG. 5 it is a flowchart of configuring a DR parameter of a UE by an eNB according to an embodiment of the present invention.
  • the eNB configures the DR parameter of the UE, including:
  • Step 501 The eNB configures a DRX parameter of the UE.
  • the eNB may determine its DR parameter according to the QoS of the UE service.
  • Step 502 The eNB sends the configured DR parameter to the relay device by using an RRC reconfiguration message, where the RRC reconfiguration message includes a DRX parameter configured for the UE.
  • the parameters included in the DRX parameter are specifically mentioned above, and are not described herein. ;
  • Step 503 If the relay device can decode the RRC reconfiguration message, obtain the UE
  • Step 504 The relay device sends the DRX parameter of the UE to the UE.
  • the second type is: after the eNB configures the DRX of the UE, the configured DR parameter is sent to the relay device by using an RRC reconfiguration message, and if the relay device is unable to decode the RRC reconfiguration message of the UE, the eNB is notified. Retransmitting; and obtaining the DRX parameter of the UE from the eNB through the relay link message, and then transmitting the DR parameter to the UE.
  • the specific implementation process is shown in Figure 6.
  • FIG. 6 a flow chart of configuring a DR parameter of a UE by an eNB according to an embodiment of the present invention.
  • the eNB configures the DR parameter of the UE, which includes:
  • Step 601 The eNB configures a DR parameter of the UE.
  • Step 602 The eNB sends the configured DR parameter to the relay device by using an RRC reconfiguration message, where the RRC reconfiguration message includes a DRX parameter configured for the UE.
  • the parameters included in the DRX parameter are specifically described above, and are not described herein. ;
  • Step 603 If the relay device cannot decode the RRC reconfiguration message
  • Step 604 The relay device sends a non-acknowledgment to the eNB (NACK, Negative
  • Step 605 After receiving the NACK message, the eNB retransmits the DRX parameter configured for the UE by using the relay link message to the relay device.
  • Step 606 The relay device receives the relay link message sent by the eNB, and from the relay link. Obtaining a DRX parameter configured for the UE in the message, where the relay link message includes: drx-StartOfFset, onDurationTimer, and longDRX-Cycle, and may further include an identifier of the UE; Step 607: The relay device configures the DRX configured for the UE The parameter is sent to the UE.
  • the third type is: After the eNB configures the DR parameters of the UE, the configured DRX parameters are continuously sent to the relay device twice, and the relay device will not directly resolve the first received data packet (including the DR parameters). Forwarding to the UE, parsing the second received data packet, and storing the parsed DR parameter.
  • the eNB may send the DRX parameter to the relay device by using an RRC reconfiguration message or a relay link message; the eNB may send the DR parameter to the UE by using an RRC reconfiguration message.
  • This embodiment is not limited, and the specific implementation process thereof is described in detail above, and details are not described herein.
  • the above embodiment mainly describes the UE in the network after the introduction of the relay device in the long term evolution system.
  • the DR parameter configuration and implementation process can be performed on the UE in the DR state after the process is completed, because the relay device also obtains the DRX parameter configuration of the UE. For example, when the relay link data transmission error occurs, or when there is a large amount of data to be transmitted on the relay link, the relay device determines whether the UE is in an active state according to the DRX parameter of the configured UE, and if so, the relay device The first DR control command (DRX command 1) is sent to the UE. If the UE receives the DRX command 1 in the active state, the UE extends the active state until receiving data retransmitted by the relay device or data to be sent.
  • DRX command 1 the first DR control command
  • the process of configuring the DR parameter of the UE and the process of retransmitting the data of the relay device may be an independent process, which is not limited in the embodiment of the present invention.
  • FIG. 7 is a flowchart of a specific application of a communication method according to an embodiment of the present invention. as shown in the figure, including:
  • Step 701 The eNB sends data to the relay device, if the data is data of the UE to be sent.
  • Step 703 The relay device sends a DRX command 1 to the UE, and the DRX command 1 may be a separate message, and may be carried in other messages, which is not limited in this embodiment;
  • Step 704 The relay device sends a NACK message to the eNB, where the message is used for...
  • Step 705 After receiving the DRX command 1, the UE extends the time of the activation state, and listens to whether the PDCCH has data transmission.
  • Step 706 After receiving the post NACK message, the eNB retransmits the data to the relay device.
  • Step 707 The relay device receives the data of the UE from the relay link, and can decode the data.
  • Step 708 Relay The device sends the decoded data to the UE.
  • the step 703 and the step 704 are performed in the same order, or may be performed at the same time.
  • the order of the embodiment is a preferred mode.
  • the UE After receiving the message including the DRX command 1, the UE extends the time of the activation state and listens to whether the PDCCH has data transmission. That is, after receiving the DRX command 1, the UE can be extended according to the DRX command 1
  • the time when the UE is activated may also be in the sleep state for a period of time, and then re-entered the active state, in any way, the purpose is until the data first indication on the PDCCH is detected.
  • the specific implementation process is shown in Figure 8 to Figure 11.
  • FIG. 8 it is a schematic diagram of a time for extending a UE activation state according to an embodiment of the present invention.
  • the UE is extended during the onduration. The time of the active state until the Decoded PDCCH for new transmation is detected.
  • FIG. 9 is a schematic diagram of an application example of extending a UE activation state according to an embodiment of the present invention.
  • the relay device sends a DRX command 1 message to the UE, and the UE receives the during the duration period.
  • the timer timerA is started and is in the active state before the timer A expires, that is, the time of the active state is extended until the data first transmission indication on the PDCCH channel is detected (Decoded PDCCH for new transmission) That is, the UE considers that the data packet will be delivered during the period of (0, timer A).
  • FIG. 10 it is a schematic diagram of another time for extending the UE activation state in the embodiment of the present invention.
  • the UE after receiving the message that the relay device sends the DRX command 1 command, the UE receives the message during the onduration.
  • the UE enters the sleep state according to the need (such as the retransmission time of the relay link), and then enters the active state after a period of sleep (this time can be one or several RTT times, controlled by the timer timerB).
  • the first indication of the data on the PDCCH is detected.
  • FIG. 11 is another application for extending the activation state of the UE in the embodiment of the present invention.
  • the UE when the relay device sends a DRX command 1 message to the UE, the UE starts the timer 'f DRX command 1 message, starts the timer timerB, and starts the timer A before the timer B times out, and at the timer During the A period, the active state is extended, that is, the time of the active state is extended until the Decoded PDCCH for new transmation is detected on the PDCCH channel. In other words, the UE considers that the packet will arrive within the time period ( timer B , timer ⁇ + timer A ).
  • the value of the timer timer A can be set to 5 subframes.
  • the value of the timer timer B can be set to 10 subframes.
  • 1 subframe lms
  • the duration of timer A and timer B can be in the range of ( lms, 100 ms ).
  • the duration can be (lms, 18 ms ).
  • the eNB sends a data packet to the relay in the 0th subframe, but the data packet transmission error occurs;
  • the relay device feeds back a non-acknowledgement message NACK to the eNB in the fourth subframe;
  • the relay device sends a DRX command 1 message to the UE in the sixth subframe; after receiving the message, the UE performs the DRX command 1 message related operation:
  • the UE after receiving the DRX command 1 message, the UE starts the timer (A) and is in the active state before the timer A times out. When timer A times out / When the UE receives a packet, the UE enters a sleep state.
  • the duration of the timer A can be ( lms, 100 ms ), and the preferred range is ( lms, 18 ms ). For example, the duration of the timer A is 18 ms (that is, 18 subframes), that is, the DRX command is received. 1 Data transmission within 18 ms after the message.
  • Another case is: when the relay device sends a DRX command 1 message to the UE, the UE receives
  • timer B is started, and timer A is started after timer B expires, and is in active state during timer A.
  • timer A times out / when the UE receives a data packet, the UE enters a sleep state.
  • the duration of timerA can be set to 10ms (10 subframes), and the duration of timer B can be set to 8ms (8 subframes), that is, 8ms to 18ms after receiving the DRX command 1 message. Data transmission is performed within.
  • the eNB retransmits the data packet in the 0th subframe of the second frame.
  • the relay device After receiving the data packet, the relay device transmits the data packet to the UE in the sixth subframe of the second frame. As shown in point A in Figure 12.
  • the relay device may also transmit the data packet to the UE in the first subframe of the third frame according to the scheduling situation. As shown by point B in Figure 12.
  • the relay device sends the DRX command 1 message to ensure that the UE is in the active state at point A or point B shown in the figure, that is, the data packet retransmitted by the relay device can be received.
  • the embodiment of the present invention is based on the case of FIG. 8 to FIG. 12 .
  • the UE may perform adaptive adjustment according to requirements, for example, the UE may be configured according to the relay link. The retransmission time is adjusted accordingly, and the purpose is to receive the data retransmitted by the relay device in the active state.
  • the message format of the DRX command 1 may be defined as a media access control layer protocol data unit (MAC PDU) sub-header that specifies a logical channel ID (LCID), and the message length is 0 bits. That is, the message is identified by the LCID in the subheader of the MAC PDU.
  • the LCID may be added to the RRC (Radio Resource Control) message and the radio-relay link (RLL) message to identify the DRX command 1. limit.
  • a message format of the DRX command 1 is shown in FIG. 13, but is not limited thereto, and includes: a MAC header, a MAC Control element 1 , and a MAC Control element 2 .
  • the MAC header includes: R/R/E/LCID sub-header (R/R/E/LCID subheader), R/R/E/ LCID [ F/L ] sub-header (R/R/E/LCID [ F/L ] subheader), R/R/E/LCID/F/Lsub-header (R/R/E /LCID subheader) , LCID sub-header... R/R/E/LCID/F/Lsub-header (R/R/E/LCID subheader) and R/R/E/LCID Padding (R/R/ E/LCID fills the bit).
  • the R Reserved; E: Extension field; F: Format field; L: Length field; SDU: service data unit; LCID: Logical channel ID (ID logic channel ID), used to indicate a specific logical channel or control command.
  • LCID Logical channel ID (ID logic channel ID), used to indicate a specific logical channel or control command.
  • the DRX command 1 command is used to indicate the time for the UE to extend the activation state.
  • the command is a MAC control element, and may also be a command of another layer, such as a physical layer message, or a radio resource control layer.
  • the message is not limited in the embodiment of the present invention.
  • the function is to force the UE to enter the active state after a certain period of time, so as to facilitate the data retransmitted by the UE to the relay device, and improve the satisfaction of the UE.
  • the embodiment of the present invention further provides a relay device, which is shown in FIG. 14 .
  • the relay device includes: a notification unit 141 and a sending unit 142, where the notification unit 141 is configured to notify the user equipment that the UE is And maintaining the active state before receiving the relay link data first transmission indication; the sending unit 142, configured to send the relay link data to the UE after the notification unit notifies the UE to remain in the activated state.
  • the relay device may further include: a determining unit, configured to: before the notification unit notifies the UE to remain in an active state, determine that the data transmission on the relay link is in error or that there is data to be sent on the relay link, and trigger the notification unit .
  • the notification unit after receiving the trigger, notifies the UE to remain in the active state before receiving the relay link data first transmission indication.
  • the relay device may further include: a receiving unit, configured to receive data retransmitted by the eNB when the determining unit determines that the data transmission error occurs on the relay link; the sending unit may be specifically used to receive the received unit The transmitted data is sent to the UE.
  • the notification unit in the relay device may be further configured to notify the eNB to retransmit the transmission data when the determining unit determines that the data transmission error occurs on the relay link.
  • the to-be-sent data existing on the relay link is sent to the UE.
  • the notification unit is specifically configured to notify the UE to remain before receiving the relay link data first transmission indication A first DRX control command in an active state, the first DR control command being a medium access control layer message, or a physical layer message, or a RRC message.
  • the relay device may further include: a configuration unit and a determining unit, configured to configure the UE to configure the discontinuous receiving DR parameter before notifying the UE to remain in an active state before receiving the relay link data first transmission indication
  • the determining unit is configured to determine, according to the DRX parameter configured by the configuration unit, whether the UE is in an active state, and send a determination result that is lost before the UE is in an active state or is about to end the activation state, and send the determination result to the notification unit.
  • the sending unit can also be used to send the DR parameter of the configuration unit to the UE.
  • the embodiment of the present invention further provides a terminal device, which is shown in FIG. 15.
  • the terminal device includes: a notification receiving unit 151 and a data receiving unit 152, where the notification receiving unit 151 is configured to receive the relay device to indicate the The UE keeps a notification of the activation state before receiving the relay link data first transmission indication; the data receiving unit 152 is configured to maintain the activation state according to the notification received by the notification receiving unit 151, and receive the relay link data.
  • the notification receiving unit 151 may be specifically configured to: receive, by using a first DR control command, a notification that the UE remains in an active state before receiving the relay link data first transmission indication, where the first DR control command is a media connection Incoming control layer messages, or physical layer messages, or RRC messages.
  • the first DR control command is a media connection Incoming control layer messages, or physical layer messages, or RRC messages.
  • the terminal device may further include: a sleep control unit, configured to enter a sleep state after the notification receiving unit 151 receives the relay link data first transmission indication, or determines that there is no data to be sent on the relay link .
  • a sleep control unit configured to enter a sleep state after the notification receiving unit 151 receives the relay link data first transmission indication, or determines that there is no data to be sent on the relay link .
  • the terminal device may further include:
  • the parameter receiving unit is configured to receive the discontinuous reception DR parameter configured by the network side before the notification receiving unit 151 receives the notification, where the DR parameters include: drx-StartOffset, onDurationTimer, and longDRX-Cycle, specifically as described above.
  • the embodiment of the present invention further provides a relay device.
  • the structure of the relay device is shown in FIG. 16.
  • the relay device includes: a parameter determining unit 161 and a parameter sending unit 162, where the parameter determining unit 161 is configured to determine that the UE is configured.
  • the DR parameter is configured by the relay device or the eNB; the parameter sending unit 162 is configured to send the DRX parameter determined by the parameter determining unit 161 to the UE.
  • the sending unit may further be used to
  • the relay device may further include: a parameter receiving unit, configured to: before the parameter sending unit 162 sends the DR parameter, the receiving eNB sends the configured DR parameter.
  • the embodiment of the present invention further provides a relay system, which is shown in FIG. 17.
  • the relay system includes: a relay device 171 and a UE 172, where the relay device 171 is configured to notify the UE that the relay is received.
  • the link data first transmission indication is kept in an active state, and the relay link data is sent to the UE;
  • the UE 172 is configured to receive, by the relay device, the UE to remain activated before receiving the relay link data first transmission indication.
  • the notification, ⁇ ⁇ remains active according to the notification, and receives relay link data.
  • the relay device and the eNB may determine that the DRX parameter of the UE is configured by the relay device or the eNB, and if the eNB configures the DR parameter, The configured DR parameters are sent to the relay device. After the DR device learns the DR parameters, the DR parameters are sent to the UE. If the DR parameters are configured by the relay device, the configured DR parameters can be sent to the UE and the eNB respectively. . In order for the relay device to provide DR service for the UE attached thereto during DRX.
  • the relay device When a data transmission error occurs on the relay link or the amount of data buffered on the relay link is large, the relay device sends a first DR control command to the UE, instructing the UE to remain before receiving the relay link data first transmission indication. Active state The time of the state is sent to the UE or the buffered data is sent to the UE; thereby, after the UE receives the first DR control command during the active state, the UE is extended. In order to receive the data retransmitted by the relay device or the buffered data, the relay device provides services for the UE in the DRX state and improves the quality of service.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention may be embodied in the form of a software product in essence or in the form of a software product, which may be stored in a storage medium such as a ROM/RAM or a disk. , an optical disk, etc., includes instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods of various embodiments of the present invention or portions of the embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

一种通信方法、 中继设备、 终端设备及中继系统
技术领域
本发明涉及通信技术领域, 特别涉及一种通信方法、 中继设备、 终端设备 及中继系统。
背景技术
随着无线通信技术的发展, 终端的功能越来越强大、体积却越来越小, 这 对终端的功耗提出了更高的要求。非连续接收( DRX, Discontinuous Reception ) 技术就是为了降低终端的功耗而提出的。所述 DRX,是指用户设备(UE, User Equipment)在一段时间内可以接收数据、 而另一段时间内可以处于休眠状态, 但在休眠的时间内, UE可以关闭接收机来达到节电、 降低功耗的目的。 也就 是说,针对时延要求不高的业务,或者对时延要求高但数据出现较规律的业务 可以采用非连续接收方式, 比如 IP语音业务(VoIP, voice of IP )等。 在长期演进系统(LTE, Long Term Evolution )或者更高一级的长期演进 系统( LTE-A, advanced-Long Term Evolution ) 中 , 演进基站 eNB作为唯一网 络节点负责 UE的调度。 即由 eNB根据业务的需要对 UE进行配置的,其配置 的流程为: eNB向 UE发送无线资源控制 ( RRC, Radio Resource Control ) 重 配消息, 在该 RRC重配消息中携带 UE的 DR 配置参数, 所述 DR 配置参 数包括: 非连续接收周期(DRX cycle )、 持续时间 ( on Duration )、 DR 静止 定时器( DRX inactivity timer )、非连续接收控制媒质接入控制层控制命令 ( DRX Command MAC control element )、 混合 ARQ 回传时间定时器(HARQ RTT timer ), 混合 ARQ重传定时器( HARQ Retransmission timer )等。 在对现有技术的研究和实践过程中, 本发明的发明人发现, 现有的 LTE 或 LTE-A系统中, eNB作为唯一网络节点负责 UE的调度, 而 Relay无法为处 于 DR 状态的 UE提供服务。 发明内容
本发明实施例提供一种通信方法、 中继设备、 终端设备及中继系统, 以实 现中继设备在 DR 状态下为 UE提供服务。 为解决上述技术问题,本发明是实施例提供一种通信方法,所述方法包括: 通知用户设备 UE在接收到中继链路数据首传指示之前保持激活状态; 将中继链路数据发送给所述 UE。
本发明是实施例还提供一种通信方法, 所述方法包括:
用户设备 UE接收中继设备指示所述 UE在接收到中继链路数据首传指示 之前保持激活状态的通知;
所述 UE根据所述通知保持激活状态 , 并接收中继链路数据。
本发明是实施例还提供一种通信方法, 所述方法包括:
中继设备发送非连续接收 DR 参数给用户设备 UE, 所述 DR 参数由所 述中继设备或 eNB配置。
相应的, 本发明实施例提供一种中继设备, 包括:
通知单元, 用于通知用户设备 UE在接收到中继链路数据首传指示之前保 持激活状态;
发送单元, 用于在通知单元通知 UE保持激活状态后中继链路数据发送给 所述 UE。
本发明实施例还提供一种终端设备, 包括:
通知接收单元, 用于接收中继设备指示所述 UE在接收到中继链路数据首 传指示之前保持激活状态的通知;
数据接收单元, 用于根据通知接收单元接收到的通知保持激活状态, 并接 收中继链路数据。
本发明实施例还提供一种中继设备, 包括:
参数确定单元,用于确定为 UE配置的 DR 参数,所述 DR 参数由该中 继设备或 eNB配置;
参数发送单元, 用于将参数确定单元确定的 DR 参数发送给 UE。
本发明实施例又提供一种中继系统, 包括: UE和中继设备, 其中, 所述中继设备, 用于通知 UE在接收到中继链路数据首传指示之前保持激 活状态 , 并将中继链路数据发送给所述 UE;
所述 UE, 用于接收中继设备指示所述 UE在接收到中继链路数据首传指 示之前保持激活状态的通知, ^^据所述通知保持激活状态, 并接收中继链路数 据。
由上述的技术方案可知,在长期演进系统引入中继设备后, 当中继链路数 据传输出错时, 中继设备通知 UE在接收到中继链路数据首传指示之前保持激 活状态, 将中继链路数据发送给所述 UE, 从而使得 UE可以相应的根据该通 知保持激活状态, 以便于接收到中继设备发送的中继链路数据。本发明实施例 实现了中继设备在 DRX状态下为 UE提供服务。
附图说明
图 1为本发明实施例中提供的通信方法的流程图;
图 2为本发明实施例中提供的另一通信方法的流程图;
图 3为本发明实施例中通信方法的具体流程图;
图 4为本发明实施例中提供的由中继设备配置 UE的 DR 参数的流程图; 图 5为本发明实施例中提供的由 eNB配置 UE的 DR 参数的流程图; 图 6为本发明实施例中提供的由 eNB配置 UE的 DR 参数的又一流程图; 图 7为本发明实施例中提供的通信方法的具体应用流程图;
图 8为本发明实施例中延长 UE激活状态的时间的示意图;
图 9为本发明实施例中延长 UE激活状态的时间的一种应用实例图; 图 10为本发明实施例中另一延长 UE激活状态的时间的示意图; 图 11为本发明实施例中延长 UE激活状态的时间的另一种应用实例图; 图 12为本发明实施例中的长期演进系统中引入中继设备后的帧结构示意 图;
图 13为本发明实施例中 DRX command 1消息格式的示意图;
图 14为本发明实施例中提供的中继设备的结构示意图;
图 15为本发明实施例中提供的终端设备的结构示意图;
图 16为本发明实施例中提供的中继设备的另一结构示意图;
图 17为本发明实施例中提供的中继系统的结构示意图。
具体实施方式
在长期演进系统(比如 LTE系统或 LTE-A系统) 中引入中继设备 (或称 中继节点 RN, Relay node , Relay )后, 长期演进系统中 RN和 eNB之间的空 口链路被分为 UE和 RN之间的接入链路 ( Relay-UE ), RN和 eNB之间的中 继链路( eNB-Relay )。对于接入链路,现有的混合 ARQ回传时间定时器( HARQ RTT timer )和混合 ARQ重传定时器( HARQ retransmission timer )组合机制只 能保证 UE能够接收接入链路的重传数据, 而当中继链路发生重传时, 该机制 无法保证 UE能够接收到数据包, 提高 UE的满意度。 为此, 本发明实施例提 供一种通信方法、 中继设备、 终端设备及中继系统, 解决了中继链路数据传输 出错或存在待发送数据时,如何通知 UE在接收到中继链路数据首传指示之前 保持激活状态, 并将重传的数据包发送给 UE, 并使 UE能在激活状态的时间 段内接收到该数据包的问题, 另外, 本发明实施例中, 在通知 UE在接收到中 继链路数据首传指示之前保持激活状态之前, 还解决 eNB如何与中继设备协 商 UE的 DRX配置参数的问题,以便于中继设备(或称中继节点)为处于 DRX 状态的 UE提供服务, 以及进一步提高服务质量。
下面我们将结合附图, 对本发明的最佳实施方案进行伴细描述。
请参阅图 1, 为本发明实施例中通信方法的流程图, 该方法包括: 步骤 101 : 中继设备通知用户设备 UE在接收到中继链路数据首传指示之 前保持激活状态;
步骤 102: 中继设备将中继链路数据发送给该 UE。
在步骤 101之前,该方法还包括: 中继设备确定该中继链路上数据传输出 错; 或者, 中继设备确定该中继链路上存在待发送数据, 比如, 緩存大量的待 发数据。
也就是说, 在中继设备确定中继链路上数据传输出错时, 可以通知 UE在 接收到中继链路数据首传指示之前保持激活状态, 并在接收到 eNB重传的数 据时, 将该数据发送给 UE, 其中, 中继设备可以主动请求演进基站 eNB重传 数据后再接收 eNB重传的数据。 或者,
在中继设备确定中继链路上存在待发送数据或者大量的待发送数据时,可 以通知 UE在接收到中继链路数据首传指示之前保持激活状态, 以便于 UE能 够接收到全部数据。
其中, 本实施例中的中继设备可以通过第一 DR 控制命令通知 UE在接 收到中继链路数据首传指示之前保持激活状态,以便于接收到中继设备发送的 数据。 该第一 DR 控制命令可以为媒质接入控制层消息, 或物理层消息, 或 无线资源控制层消息, 本实施例不作限制。
进一步的, 中继设备在确定该中继链路上数据传输出错时, 该第一 DRX 控制命令还可以用于通知该 UE在接收到中继链路数据首传指示之后进入睡眠 状态; 或者, 在确定该中继链路上存在待发送数据时, 该第一 DR 控制命令 还可以用于通知该 UE在该中继链路上不存在待发送数据时进入睡眠状态。
在步骤 101之前, 该方法还包括:
中继设备为该 UE配置非连续接收 DR 参数;并才 据该 DR 参数确定该 UE即将结束激活状态; 并在 UE即将结束激活状态或在激活状态时, 通知 UE 在接收到中继链路数据首传指示之前保持激活状态,或者延长激活状态的时间 等。
优选的, 中继设备在为该 UE配置非连续接收 DR 参数后, 将该配置的 DR 参数分别通知 UE和 eNB。 中继设备可以通过 RRC重配消息将 DR 参 数发送给 UE, 通过中继链路消息将 DR 参数发送给 eNB, 但并不限于该方 式, 也可以通过其他的消息将该 DR 参数发送给 UE和 eNB, 本实施例不作 限制。
此外, eNB也可以为 UE配置 DRX参数, 并将配置的 DRX参数发送给 中继设备, 中继设备在保存该 DR 参数后, 再将该 DR 参数发送给 UE。 具 体的配置和发送过程详见下述, 在此不再详细的说明。
相应的, 本发明实施例还提供的一种通信方法, 其流程图详见图 2, 该方 法包括:
步骤 201 : 用户设备 UE接收中继设备指示该 UE在接收到中继链路数据 首传指示之前保持激活状态的通知;
步骤 202: UE根据该通知保持激活状态, 并接收中继链路数据。
在步骤 201中 , 该通知可以为第一 DRX控制命令, 该第一 DRX控制命 令为媒质接入控制层消息, 或物理层消息, 或无线资源控制层消息。 但并不限 于此。
进一步的, 该 UE接收到该中继链路数据首传指示之后, 可以进入睡眠状 态;或者,该 UE确定该中继链路上不存在待发送数据时,可以进入睡眠状态。
在步骤 201之前, UE还可以接收网络侧配置的 DR 参数, 该网络侧可 以由中继设备或者 eNB配置的 DR 参数。
另外, 本发明实施例还提供一种通信方法, 包括: 中继设备发送 DR 参 数给用户设备 UE, 该 DR 参数由该中继设备或 eNB配置。
其中, 该 DR 参数由该中继设备配置时, 该方法还包括: 该中继设备发 送该 DR 参数给 eNB; 或者,
该 DR 参数由该 eNB配置时, 中继设备发送非连续接收 DR 参数给用 户设备 UE之前, 该方法还包括: 该中继设备接收该 eNB配置的 DR 参数。
其中 , 该中继设备发送非连续接收 DR 参数给 UE可以通过无线资源控 制 RRC重配消息或中继链路消息, 本发明实施例不作限制。
为了便于本领域技术人员的理解, 下面以最佳的实施例来说明。
请参阅图 3, 为本发明实施例中通信方法的具体流程图; 该方法包括: 步骤 301 : 在中继设备确定中继链路数据传输出错时, 中继设备向用户设 备 UE发送第一 DRX控制命令 ( DRX command 1 ), 该第一 DR 控制命令用 来指示 UE延长激活状态的时间; 还可以包括通知 eNB重传数据; 其中, 中 继设备发送 DRX command 1和通知 eNB重传数据可不分先后顺序,也可以在 接收到 UE反馈的消息后, 再通知 eNB重传数据等, 本实施例不做限制。 可 选的, 该第一 DR 控制命令还用于通知该 UE在接收到中继链路数据首传指 示之后进入睡眠状态。
步骤 302: 中继设备接收 eNB重传的数据, 并将该数据发送给该 UE。 在该实施例中, 如果中继设备确定中继链路上存在待发送数据时, 也可以 向 UE发送第一 DRX控制命令, 以便于中继设备将待发送数据发送给 UE。可 选的, 该第一 DR 控制命令还用于通知该 UE在该中继链路上不存在待发送 数据时进入睡眠状态。
在步骤 301中, 该向用户设备 UE发送第一 DRX控制命令具体包括: 通 过 MAC层的消息、 PHY层或 RRC层消息向用户设备 UE发送第一 DR 控制 命令 ( DRX command 1 )。该第一 DR 控制命令用来指示 UE延长激活状态的 时间,其消息格式可以为: 在媒体接入控制层协议数据单元的子头中添加了特 定的逻辑信道 ID ( LCID )来标识该第一 DR 控制命令, 但并不限于此。
也就是说, 本发明实施例中, 当中继链路发生数据传输出错时, 中继设备 可以向 UE发送一个 DRX command 1命令, 若 UE在激活( active )状态接收 到中继设备发送 DRX command 1命令, 则根据该 DRX command 1 , 可以延长 激活状态的时间, 或者先休眠一段时间, 在进入 active状态, 直到接收到中继 设备重传的数据包。
进一步的,中继设备确定中继链路数据传输出错或者确定该中继链路上数 据传输出错之前, 本实施例还包括: 中继设备为该 UE配置 DR 参数; 根据 该 DR 参数确定该 UE即将结束激活状态。
其中, 中继设备和 eNB都可能为该 UE配置 DR 参数, 如果由中继设备 配置该 UE的 DR 参数, 则将该配置的 DR 参数分别发送给 UE和 eNB; 如 果由 eNB配置该 UE的 DR 参数, 则 eNB将为该 UE配置的 DR 参数发送 给中继设备 , 中继设备在接收到该 eNB发送该 DR 参数后 , 并将该 DRX参 数发送给 UE;或者 eNB将为该 UE配置的分别发送给该用户设备和中继设备。
也就是说, 本发明实施例中, UE的 DR 参数可以由 eNB配置, 也可以 由中继设备配置。 当 UE的 DRX参数由中继设备配置时, 中继设备需要将其 配给 UE的 DR 参数上报给 eNB; 当 UE的 DR 参数由 eNB配置时, 中继 设备也需要获知此参数。 但并不限于此, 还可以根据需要由其他网元来配置, 然后将配置的 DR 参数通知 eNB和中继设备即可。
其中, 该中继设备接收 eNB发送为该 UE配置的 DR 参数具体包括: 中继设备可以通过无线资源控制 (RRC, Radio Resource Control) 重配消 息 ( Connection configuration )接收 eNB为该 UE配置的 DR 参数 ( DRX parameter ); 或者中继设备可以通过中继链路消息接收 eNB 为该 UE 配置的 DR 参数, 但并不限于此。
该 RRC重配消息可以包括: DR 起始位置 (drx-StartOffset )、 激活状态 定时器( onDurationTimer )和 DRX长周期 ( longDRX-Cycle ), 还可以包括中 继设备小区的系统帧号( SFN, System Frame Number )和 DR 短周期( short DRX );
该中继链路消息可以包括: DR 起始位置 ( drx-StartOffset )、 onDurationTimer和 DR 长周期( longDRX-Cycle ), 还可以包括: UE的标识。
其中,对于本领域技术人员来说,该 drx-StartOffset,其含义为: [(SFN * 10)
+ subframe number] modulo (DRX Cycle) = DRX Start Offset; 该 onDurationTimer , 其含义为 : Specifies the number of consecutive PDCCH-subframe(s) at the beginning of a DRX Cycle; 该 longDRX-Cycle; 该 short DRX; 已为公知技术, 在此不再赘述。
请参阅图 4, 为本发明实施例中由中继设备配置 UE的 DR 参数的流程 图;本实施例在 eNB与中继设备协商后,由中继设备来配置 UE的 DR 参数, 具体包括:
步骤 401 : 中继设备配置 UE的 DR 参数; 中继设备可以根据 UE业务的 服务质量(QoS, Quality of Service) 确定其 DR 参数;
步骤 402: 中继设备将 UE的 DR 参数通过 RRC重配消息发送给 UE; 在该 RRC重配消息中携带 UE的 DRX参数 ( DRX parameter );
步骤 403: 中继设备将 UE的 DR 参数通过中继链路消息告知给 eNB, 该中继链路消息中包括 DRX parameter
其中, 该 DRX parameter 中可以包括以下参数之一或任意组合: drx-StartOffset、 onDurationTimer, DRX静止定时器( drx-InactivityTimer )和 longDRX-Cycle, 还可以包括: Relay小区的 SFN和 short DRX, 本发明实施 例不作限制。
在该实施例中, 步骤 402和 403没有必然的执行顺序, 优选的, 步骤 402 在步骤 403之前执行。
当 UE的 DR 参数是由 eNB进行配置时, 分以下三种情况, 但并不限于 此:
第一种是: 当 eNB配置 UE的 DR 参数后, 将该配置的 DR 参数通过 RRC重配消息发送给中继设备, 如果中继设备能够对该 UE的 RRC重配消息 进行解码, 并得到该 UE的 DR 参数, 然后将该 DR 参数发送给 UE。 其具 体的实现过程详见图 5。
请参阅图 5, 为本发明实施例中由 eNB配置 UE的 DR 参数的流程图; 本实施例在 eNB与中继设备协商后, 由 eNB来配置 UE的 DR 参数,具体包 括:
步骤 501: eNB配置 UE的 DRX参数; eNB可以根据 UE业务的 QoS确 定其 DR 参数;
步骤 502: eNB将所配置的 DR 参数通过 RRC重配消息发送给中继设备, 该 RRC重配消息中包括为 UE配置的 DRX parameter; 该 DRX parameter包括 的参数具体伴见上述, 在此不赘述;
步骤 503: 如果中继设备对 RRC重配消息能进行解码, 则得到该 UE的
DRX parameter;
步骤 504: 中继设备将该 UE的 DRX parameter发送给 UE。
第二种是: 当 eNB配置 UE的 DRX 后, 将该配置的 DR 参数通过 RRC重配消息发送给中继设备, 如果中继设备不能够对该 UE的 RRC重配消 息进行解码, 则通知 eNB重新发送; 并从 eNB通过中继链路消息得到该 UE 的 DRX参数, 然后将该 DR 参数发送给 UE。 其具体的实现过程详见图 6。
请参阅图 6, 为本发明实施例中由 eNB配置 UE的 DR 参数的又一流程 图; 本实施例在 eNB与中继设备协商后, 由 eNB来配置 UE的 DR 参数, 具 体包括:
步骤 601 : eNB配置 UE的 DR 参数;
步骤 602: eNB将所配置的 DR 参数通过 RRC重配消息发送给中继设备, 该 RRC重配消息中包括为 UE配置的 DRX parameter; 该 DRX parameter包括 的参数具体详见上述, 在此不赘述;
步骤 603: 如果中继设备对 RRC重配消息不能进行解码;
步骤 604: 中继设备向 eNB 发送非确认 ( NACK , Negative
-Acknowledgement ) 消息;
步骤 605: eNB在接收到该 NACK消息后, 通过中继链路消息向中继设 备重新发送该为 UE配置的 DRX parameter;
步骤 606: 中继设备接收该 eNB发送的该中继链路消息 ,并从该中继链路 消息中获得为 UE 配置的 DRX parameter; 其中, 该中继链路消息包括: drx-StartOfFset, onDurationTimer和 longDRX-Cycle , 还可以包括 UE的标识; 步骤 607: 中继设备将该为 UE配置的 DRX parameter发送给 UE。
第三种是: 当 eNB配置 UE的 DR 参数后, 将该配置的 DRX参数会连 续发送给中继设备两次 , 中继设备会将第一次接收数据包(包括 DR 参数 ) 的不解析直接转发给 UE, 而解析第二次接收数据包的, 并存储解析得到的 DR 参数。 其中 , eNB可以通过 RRC重配消息或者中继链路消息将该 DRX 参数发送给中继设备; eNB可以通过 RRC重配消息将该 DR 参数发送给 UE。 本实施例不作限制, 其具体的实现过程详见上述, 在此不赘述。
以上实施例主要描述了在长期演进系统引入了中继设备后网络中 UE 的
DR 参数配置及实现过程,在过程完成后,由于中继设备也获取到 UE的 DRX 参数配置, 则可以对处于 DR 状态的 UE进行服务了。 比如, 在中继链路数 据传输出错时,或者在中继链路上有大量的待发送数据时, 中继设备根据配置 UE的 DRX参数判断该 UE是否处于激活状态, 如果是, 中继设备向该 UE发 送第一 DR 控制命令 ( DRX command 1 ), UE若在激活状态接收到该 DRX command 1 , 则侧延长激活状态 , 直到接收到中继设备重传的数据或者待发送 的数据。
当然, 本发明实施例中, 配置 UE的 DR 参数和中继设备重传数据的过 程可以是独立的过程, 本发明实施例不作限制。
还请参阅图 7,为本发明实施例中通信方法的具体应用流程图;如图所示, 包括:
步骤 701 : eNB向中继设备发送数据,如果该数据是要发送的 UE的数据; 步骤 702: 中继设备判断该数据是否需要在中继链路上重传, 若是, 执行 步骤 703; 否则, 将该数据转发给对应的 UE (即步骤 709 );
步骤 703: 中继设备向 UE发送 DRX command 1 , 该 DRX command 1可 以是单独的消息, 也可以携带在其他的消息中, 本实施例不作限制;
步骤 704: 中继设备向 eNB发送 NACK消息, 该消息用于…;
步骤 705: UE在接收到 DRX command 1后, 延长自身激活状态的时间, 并侦听 PDCCH是否有数据发送; 步骤 706: eNB接收到后 NACK消息后, 向该中继设备重新发送该数据; 步骤 707: 中继设备从中继链路中接收到该 UE的数据,并能解码该数据; 步骤 708: 中继设备将该解码后的数据发送给 UE。
其中, 在该实施例中, 步骤 703和步骤 704不分先后顺序, 也可以同时进 行, 以本实施例顺序为优选方式。
其中, UE在接收到包括 DRX command 1的消息后, 延长自身激活状态 的时间,并侦听 PDCCH是否有数据发送,也就是说,在接收到 DRX command 1后, 根据该 DRX command 1 , 可以延长该 UE激活状态的时间, 也可以先休 眠状态一段时间, 在重新进入激活状态, 无论那种方式, 其目的都是直到侦听 到 PDCCH上的数据首传指示为止。 其具体的实现过程详见图 8至图 11。
如图 8所示, 为本发明实施例中一种延长 UE激活状态的时间的示意图; 在该图 8中, UE在 onduration期间 ,接收到中继设备发送 DRX command 1命 令的消息后, 则延长 active状态的时间, 直到侦听到 PDCCH信道上的数据首 传才旨示 ( Decoded PDCCH for new transmation )。
还请参阅图 9, 为本发明实施例中延长 UE激活状态的时间的一种应用实 例图;如图 9所示,中继设备向 UE发送 DRX command 1消息, UE在 onduration 期间, 接收到中继设备发送 DRX command 1消息后, 启动定时器 timerA , 并 在 timer A超时之前都处于 active状态, 即延长 active状态的时间, 直到侦听 到 PDCCH信道上的数据首传指示( Decoded PDCCH for new transmission 也 就是说 , UE认为数据包会在 ( 0 , timer A )这段时间内进行下发。 如果 timer A 定时器超时或者当 UE收到数据包后, UE进入休眠状态。 其中定时器 timerA 的取值范围可设置为 15个子帧。在 LTE系统中,1子帧 =lms,则 15子帧 =15ms。 即可以使 timer A的时长范围限制在(0,15ms ) 范围内。
如图 10所示, 为本发明实施例中另一种延长 UE激活状态的时间的示意 图; 在该图 10 中, UE在 onduration期间, 接收到中继设备发送携带 DRX command 1命令的消息后, UE先才 据需要 (比如中继链路的重传时间 )进入 休眠状态, 在休眠一段时间后 (该时间可为一个或几个 RTT 时间,由定时器 timerB来控制 )再进入 active状态, 直到侦听到 PDCCH上的数据首传指示。
还请参阅图 11 ,为本发明实施例中延长 UE激活状态的时间的另一种应用 实例图; 如图 11所示, 当中继设备向 UE发送 DRX command 1消息 , UE收 f 'J DRX command 1消息后,启动定时器 timerB,并在 timer B超时之前后启动 timer A, 并且在 timer A期间都处于 active状态, 即延长 active状态的时间, 直到侦听到 PDCCH 信道上的数据首传指示 (Decoded PDCCH for new transmation )。 也就是说 , 即 UE认为数据包会在 ( timer B , timer Β + timer A ) 这段时间内到达。 当 timer A定时器超时或 UE收到数据包时, UE进入休眠状 态。 其中, 定时器 timerA的取值范围可设置为 5个子帧, 定时器 timer B的取 值范围可设置为 10个子帧。 在 LTE系统中, 1子帧 =lms, 则可以使 timer A 的时长设置为 5ms,使 timerB的时长设置为 10ms。实际上, timer A和 timer B 的时长取值可以在( lms, 100ms )的范围内, 优选的, 时长范围可以是(lms, 18ms )。
基于上述延长 UE激活状态的时间的情况, 在本发明实施例中, 假设长期 演进系统中引入中继设备后的帧结构如图 12所示,在该图 12中, 带箭头的虚 线表示通过该帧结构传输的其他数据或信令,本实施例不再详细说明。本发明 实施例中该通信方法的具体过程包括:
1、 eNB在第 0子帧向 Relay发送数据包, 但该数据包传输出错;
2、 中继设备在第 4子帧向 eNB反馈非确认消息 NACK;
3、 中继设备在第 6子帧向 UE发送 DRX command 1消息; UE收到该消 息后 , 执行 DRX command 1消息的相关操作:
一种情况是: UE收到 DRX command 1消息后 , 启动定时器( timer ) A, 并在 timer A超时之前都处于 active状态。 当 timer A超时 /当 UE收到数据包, UE进入休眠状态。 其中, timerA的时长的取值范围可以是( lms, 100ms ), 优选的取值范围是( lms, 18ms ), 例如将 timerA的时长取为 18ms (即 18个 子帧), 即在收到 DRX command 1消息后的 18ms之内进行数据传输。
另一种情况是: 当中继设备向 UE发送 DRX command 1消息, UE收到
DRX command 1消息后 , 启动 timer B , 并在 timer B超时后启动 timer A, 并 且在 timer A期间处于 active状态。 当 timer A超时 /当 UE收到数据包, UE进 入休眠状态。 其中, timerA的时长可设置为 10ms ( 10个子帧), timer B的时 长可设置为 8ms ( 8个子帧),即在收到 DRX command 1消息后的 8ms到 18ms 之内进行数据传输。
4、 eNB在第二帧的第 0子帧重传该数据包;
5、中继设备收到该数据包后,在第二帧的第 6子帧将该数据包传送给 UE。 如图 12中 A点所示。
需要说明的是: 中继设备也可以根据调度情况,在第三帧的第一个子帧传 将该数据包传送给 UE。如图 12中 B点所示。在实施例中,中继设备发送 DRX command 1消息就是要保证 UE在图中所示 A点或 B点处于 active状态,即能 接收到中继设备重新发送的数据包。
对于延长 UE激活状态的时间, 本发明实施例是以图 8至图 12该的情况 为例, 在实际应用中, UE可以根据需要进行适应性的调整, 比如, UE可以 根据中继链路的重传时间来作相应的调整,目的是能在激活状态的时间内接收 中继设备重传的数据。
其中, 本发明实施例中, 对于 DRX command 1的消息格式可以被定义为 一个指定了逻辑信道 ID( LCID )的媒体接入控制层协议数据单元( MAC PDU ) 子头, 消息长度为 0bit。 即该消息在 MAC PDU的子头中使用 LCID来标识。 当然, 在某些情况下, 也可以在无线资源控制(RRC, Radio Resource Control ) 消息和无线电中继链路 ( RRL, radio-relay link )消息中添加 LCID来标识 DRX command 1 , 本实施例不作限制。 其 DRX command 1的一种消息格式如图 13 所示,但并不限于此, 包括: MAC头(MAC header ), MAC控制元素 1 ( MAC Control elementl )、 MAC控制元素 2 ( MAC Control element2 )、 MAC SDU…… MAC SDU和填充比特( Padding, 包括选择 Optional ), 该 MAC header包括: R/R/E/LCID sub-header(R/R/E/LCID 子 头 ) 、 R/R/E/LCID [ F/L ] sub-header(R/R/E/LCID [ F/L ]子头)、 R/R/E/LCID/F/Lsub-header (R/R/E /LCID 子头) 、 LCID sub-header(LCID 子头)…… R/R/E/LCID/F/Lsub-header (R/R/E/LCID子头)和 R/R/E/LCID Padding (R/R/E/LCID填充 bit)。
该 R: 保留 (Reserved ); E: 扩展空间 ( Extension field ); F: 格式空间 ( Format field ); L:长度空间( Length field ); SDU:业务数据单元( service data unit ); LCID: 逻辑信道 ID ( ID logic channel ID ), 用来表示特定的逻辑信道 或控制命令等。 本发明实施例中, 对于该 DRX command 1的消息格式, 上述只是一种优 选的实施例, 本发明不作限制。
由此可知, 在长期演进系统中引入中继设备后, 附着在中继设备下的 UE 与演进通用陆地无线接入网络(E-UTRAN, Evolution -Universal Terrestrial Radio Access Network )进行通信时, 如果中继链路发生数据传输出错, UE不 能接收到重传的数据时; 或者中继链路上待发送的数据较多时, 中继设备不能 将该待发送数据在 UE的激活时间内发送给 UE, 为此, 本发明实施例中, 通 过 DRX command 1命令 ,来指示 UE延长激活状态的时间 ,该命令为一个 MAC control element, 也可以是其他层的命令, 比如物理层消息, 或无线资源控制 层消息, 本发明实施例不作限制。 其作用是强制 UE —直或一段时间后进入 active状态, 以便于 UE到中继设备重传的数据, 提高 UE的满意度。
相应的, 本发明实施例还提供一种中继设备, 其结构示意图详见图 14, 该中继设备包括: 通知单元 141和发送单元 142, 其中该通知单元 141, 用于 通知用户设备 UE在接收到中继链路数据首传指示之前保持激活状态; 该发送 单元 142, 用于在通知单元通知 UE保持激活状态后将中继链路数据发送给该 UE。
该中继设备还可以进一步包括: 确定单元, 用于在通知单元通知 UE保持 激活状态之前 ,确定该中继链路上数据传输出错或者该中继链路上存在待发送 数据, 并触发通知单元。 相应的, 通知单元收到触发后, 通知 UE在接收到中 继链路数据首传指示之前保持激活状态。
该中继设备还可以进一步包括:接收单元, 用于在确定单元确定中继链路 上数据传输出错时, 接收 eNB重传的数据; 该发送单元, 可以具体用于将接 收单元接收到的重传的数据发送给 UE。 此外, 该中继设备中的通知单元, 还 可以进一步用于在确定单元确定中继链路上数据传输出错时, 通知该 eNB重 传发送数据。 待发送数据时, 将该中继链路上存在的待发送数据发送给该 UE。
该通知单元,具体用于通知 UE在接收到中继链路数据首传指示之前保持 激活状态的第一 DRX控制命令, 该第一 DR 控制命令为媒质接入控制层消 息, 或物理层消息, 或无线资源控制层消息。
该中继设备还可以进一步包括: 配置单元和判断单元, 该配置单元, 用于 在通知 UE在接收到中继链路数据首传指示之前保持激活状态之前, 为该 UE 配置非连续接收 DR 参数; 该判断单元, 用于根据该配置单元配置的 DRX 参数判断 UE是否处于激活状态, 并将 UE处于激活状态或即将结束激活状态 之前丢的判断结果发送给通知单元。此外,该发送单元还可以用于将配置单元 配置的 DR 参 «_送给 UE。
该中继设备中各个单元的功能和作用的实现过程 ,具体伴见上述方法中对 应的实现过程, 在此不再赞述。
本发明实施例还提供一种终端设备, 其结构示意图详见图 15, 该终端设 备包括: 通知接收单元 151和数据接收单元 152, 其中, 该通知接收单元 151, 用于接收中继设备指示该 UE在接收到中继链路数据首传指示之前保持激活状 态的通知; 该数据接收单元 152, 用于根据通知接收单元 151接收到的通知保 持激活状态, 并接收中继链路数据。
该通知接收单元 151可以具体用于: 接收中继设备通过第一 DR 控制命 令指示该 UE在接收到中继链路数据首传指示之前保持激活状态的通知,该第 一 DR 控制命令为媒质接入控制层消息, 或物理层消息, 或无线资源控制层 消息。
该终端设备还可以进一步包括: 睡眠控制单元, 用于在通知接收单元 151 接收到该中继链路数据首传指示之后,或者确定该中继链路上不存在待发送数 据时, 进入睡眠状态。
该终端设备还可以进一步包括:
参数接收单元, 用于在通知接收单元 151接收到该通知之前,接收网络侧 配置的非连续接收 DR 参数, 该 DR 参数包括: drx-StartOffset、 onDurationTimer和 longDRX-Cycle, 具体伴见上述。
该终端设备中各个单元的功能和作用的实现过程,具体详见上述方法中对 应的实现过程, 在此不再赘述。 本发明实施例还提供一种中继设备, 其结构示意图详见图 16, 该中继设 备包括: 参数确定单元 161和参数发送单元 162, 其中该参数确定单元 161, 用于确定为 UE配置的 DR 参数, 该 DR 参数由该中继设备或 eNB配置; 该参数发送单元 162, 用于将参数确定单元 161确定的 DRX参数发送给 UE。
该 DR 参数由该中继设备配置时, 该发送单元, 还可以进一步用于将该
DR 参数给 e亂
该 DR 参数由该 eNB配置时, 该中继设备还可以进一步包括: 参数接收 单元, 用于在参数发送单元 162发送 DR 参数之前, 接收 eNB发送配置的 DR 参数。
该中继设备中各个单元的功能和作用的实现过程,具体伴见上述方法中对 应的实现过程, 在此不再赘述。
本发明实施例再提供一种中继系统, 其结构示意图详见图 17, 该中继系 统包括: 中继设备 171和 UE172, 其中, 该中继设备 171, 用于通知 UE在接 收到中继链路数据首传指示之前保持激活状态, 并将中继链路数据发送给该 UE; 该 UE172, 用于接收中继设备指示该 UE在接收到中继链路数据首传指 示之前保持激活状态的通知,^ ^据该通知保持激活状态,并接收中继链路数据。
其中该中继设备 171和 UE172的具体功能和作用的实现过程详见上述, 在此不再赘述。
需要说明的是,本发明实施例中所述设备及系统中对应的各个单元之间可 以合并或拆分, 本发明实施例不做限制。
由上述实施例可知, 在长期演进系统引入中继设备后, 中继设备与 eNB 间可以经过协商来确定由中继设备或 eNB来配置 UE的 DRX参数,如果由 eNB 来配置 DR 参数, 则可以将配置的 DR 参数发送给中继设备, 中继设备获 知该 DR 参数后, 将 DR 参数发送给 UE; 如果由中继设备来配置 DR 参 数,则可以将配置的 DR 参数分别发送给 UE和 eNB。以便于中继设备在 DRX 期间, 为附着在其下的 UE提供 DR 服务。 当中继链路发生数据传输出错时 或者中继链路上緩存的数据量较大时, 中继设备向 UE发送第一 DR 控制命 令, 指示 UE在接收到中继链路数据首传指示之前保持激活状态, 即延长激活 状态的时间; 并将接收到的 eNB重传的数据发送给该 UE或者緩存的数据发 送给 UE; 从而使 UE在激活状态期间接收到第一 DR 控制命令后, 延长该 UE激活状态的时间, 以便于接收到中继设备重传的数据或者緩存的数据, 从 而实现中继设备在 DRX状态下为 UE提供服务以及提高服务质量。
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本发明 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 软件产品可以存储在存储介质中, 如 ROM/RAM、磁碟、 光盘等, 包括若干指 令用以使得一台计算机设备(可以是个人计算机, 服务器, 或者网络设备等) 执行本发明各个实施例或者实施例的某些部分该的方法。
以上该仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技 术人员来说, 在不脱离本发明原理的前提下, 还可以作出若干改进和润饰, 这 些改进和润饰也应视为本发明的保护范围。

Claims

权 利 要 求
1、 一种通信方法, 其特征在于, 包括:
通知用户设备 UE在接收到中继链路数据首传指示之前保持激活状态; 将中继链路数据发送给所述 UE。
2、 根据权利要求 1所述的方法, 其特征在于, 所述通知 UE在接收到中 继链路数据首传指示之前保持激活状态之前, 还包括:
确定所述中继链路上数据传输出错; 或者,
确定所述中继链路上存在待发送数据。
3、 根据权利要求 2所述的方法, 其特征在于, 所述确定中继链路上数据 传输出错时, 所述将中继链路数据发送给所述 UE包括:
接收演进基站 eNB重传的数据;
将所述重传的数据发送给所述 UE。
4、 根据权利要求 3所述的方法, 其特征在于, 所述接收演进基站 eNB发 送的重传数据之前, 还包括:
通知所述 eNB重传数据。
5、 根据权利要求 2所述的方法, 其特征在于, 所述确定中继链路上存在 待发送数据时, 所述将中继链路数据发送给所述 UE包括:
将所述中继链路上存在的待发送数据发送给所述 UE。
6、 根据权利要求 1至 5任一项所述的方法, 其特征在于, 所述通知 UE 在接收到中继链路数据首传指示之前保持激活状态包括:
发送用于通知 UE在接收到中继链路数据首传指示之前保持激活状态的第 一 DR 控制命令, 所述第一 DR 控制命令为媒质接入控制层消息, 或物理 层消息, 或无线资源控制层消息。
7、 根据权利要求 6所述的方法, 其特征在于, 还包括:
所述确定所述中继链路上数据传输出错时, 所述第一 DRX控制命令还用 于通知所述 UE在接收到中继链路数据首传指示之后进入睡眠状态; 或者, 所述确定所述中继链路上存在待发送数据时, 所述第一 DR 控制命令还 用于通知所述 UE在所述中继链路上不存在待发送数据时进入睡眠状态。
8、 根据权利要求 1至 5任一项所述的方法, 其特征在于, 所述通知 UE 在接收到中继链路数据首传指示之前保持激活状态之前, 还包括:
为所述 UE配置非连续接收 DR 参数;
根据所述 DR 参数确定所述 UE即将结束激活状态。
9、 根据权利要求 8所述的方法, 其特征在于, 所述为 UE配置 DR 参数 之后, 还包括:
将所述 DR 参数分别发送给所述 UE以及 eNB。
10、 一种通信方法, 其特征在于, 包括:
用户设备 UE接收中继设备指示所述 UE在接收到中继链路数据首传指示 之前保持激活状态的通知;
所述 UE根据所述通知保持激活状态 , 并接收中继链路数据。
11、根据权利要求 10所述的方法, 其特征在于, 所述通知为第一 DR 控 制命令, 所述第一 DR 控制命令为媒质接入控制层消息, 或物理层消息, 或 无线资源控制层消息。
12、 根据权利要求 10所述的方法, 其特征在于, 还包括:
所述 UE接收到所述中继链路数据首传指示之后, 进入睡眠状态; 或者, 所述 UE确定所述中继链路上不存在待发送数据时, 进入睡眠状态。
13、 根据权利要求 10至 12任一项所述的方法, 其特征在于, 所述 UE接 收中继设备指示所述 UE在接收到中继链路数据首传指示之前保持激活状态的 通知之前, 还包括:
接收网络侧配置的非连续接收 DR 参数。
14、 一种通信方法, 其特征在于, 包括:
中继设备发送非连续接收 DR 参数给用户设备 UE, 所述 DR 参数由所 述中继设备或演进基站 eNB配置。
15、 根据权利要求 14所述的方法, 其特征在于,
所述 DR 参数由所述中继设备配置时, 所述方法还包括: 所述中继设备 发送所述 DR 参数给 eNB; 或者,
所述 DR 参数由所述 eNB配置时, 中继设备发送非连续接收 DR 参数 给用户设备 UE之前, 所述方法还包括: 所述中继设备接收所述 eNB配置的 DR 参数。
16、 根据权利要求 14所述的方法, 其特征在于, 所述中继设备发送非连 续接收 DR 参数给 UE包括:
发送包含所述 DR 参数的无线资源控制 RRC重配消息或中继链路消息。
17、 一种中继设备, 其特征在于, 包括:
通知单元, 用于通知用户设备 UE在接收到中继链路数据首传指示之前保 持激活状态;
发送单元, 用于在通知单元通知 UE保持激活状态后中继链路数据发送给 所述 UE。
18、 根据权利要求 17所述的中继设备, 其特征在于, 还包括:
确定单元, 用于确定所述中继链路上数据传输出错, 和 /或所述中继链路 上存在待发送数据, 并触发所述通知单元;
所述通知单元, 具体用于收到所述确定单元的触发后, 通知 UE在接收到 中继链路数据首传指示之前保持激活状态。
19、 根据权利要求 18所述的中继设备, 其特征在于, 还包括:
接收单元, 用于在所述确定单元确定中继链路上数据传输出错时, 接收 eNB重新发送的数据;
所述发送单元, 具体用于将接收单元接收到的重传的数据发送给 UE。
20、 根据权利要求 18所述的中继设备, 其特征在于,
所述发送单元, 具体用于在中继链路上存在待发送数据时, 将所述中继链 路上存在的待发送数据发送给所述 UE。
21、 一种终端设备, 其特征在于, 包括:
通知接收单元, 用于接收中继设备指示所述 UE在接收到中继链路数据首 传指示之前保持激活状态的通知;
数据接收单元, 用于根据通知接收单元接收到的通知保持激活状态, 并接 收中继链路数据。
22、 根据权利要求 21所述的终端设备, 其特征在于, 还包括: 参数接收单元, 用于通知接收单元接收到所述通知之前,接收网络侧配置 的非连续接收 DR 参数。
23、 一种中继系统, 其特征在于, 包括: UE和中继设备, 其中, 所述中继设备, 用于通知 UE在接收到中继链路数据首传指示之前保持激 活状态, 并将中继链路数据发送给所述 UE;
所述 UE, 用于接收中继设备指示所述 UE在接收到中继链路数据首传指 示之前保持激活状态的通知, ^^据所述通知保持激活状态, 并接收中继链路数
PCT/CN2009/070909 2009-03-20 2009-03-20 一种通信方法、中继设备、终端设备及中继系统 WO2010105432A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2009/070909 WO2010105432A1 (zh) 2009-03-20 2009-03-20 一种通信方法、中继设备、终端设备及中继系统
CN2009801198816A CN102257863A (zh) 2009-03-20 2009-03-20 一种通信方法、中继设备、终端设备及中继系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/070909 WO2010105432A1 (zh) 2009-03-20 2009-03-20 一种通信方法、中继设备、终端设备及中继系统

Publications (1)

Publication Number Publication Date
WO2010105432A1 true WO2010105432A1 (zh) 2010-09-23

Family

ID=42739133

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2009/070909 WO2010105432A1 (zh) 2009-03-20 2009-03-20 一种通信方法、中继设备、终端设备及中继系统

Country Status (2)

Country Link
CN (1) CN102257863A (zh)
WO (1) WO2010105432A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014036722A1 (zh) * 2012-09-07 2014-03-13 华为技术有限公司 实现非连续接收的方法及终端设备
CN109196939A (zh) * 2016-08-11 2019-01-11 索尼公司 用于网络控制端和网络节点的电子设备和方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103540522B (zh) * 2013-09-30 2015-01-14 上海交通大学 深海热液模拟及高温高压微生物培养系统
US9854496B2 (en) 2015-08-20 2017-12-26 Mediatek Inc. Method of high-efficiency connected mode cell re-selection
CN116321527A (zh) * 2016-08-10 2023-06-23 交互数字专利控股公司 用于可穿戴和iot设备的功率有效d2d通信的方法、设备和系统
US11888628B2 (en) * 2019-09-26 2024-01-30 Qualcomm Incorporated Configurable transmission timeline for physical sidelink feedback channel
WO2023245453A1 (zh) * 2022-06-21 2023-12-28 北京小米移动软件有限公司 一种消息传输方法/装置/设备及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007111480A1 (en) * 2006-03-28 2007-10-04 Samsung Electronics Co., Ltd. Method and apparatus for discontinuous reception of connected terminal in a mobile communication system
CN101150384A (zh) * 2006-09-20 2008-03-26 上海贝尔阿尔卡特股份有限公司 混合自动重传的方法和装置
CN101155384A (zh) * 2006-09-30 2008-04-02 西门子公司 连接标识的配置方法
US20090016258A1 (en) * 2007-07-13 2009-01-15 Nortel Networks Limited Quality of service control in multiple hop wireless communication environments

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007111480A1 (en) * 2006-03-28 2007-10-04 Samsung Electronics Co., Ltd. Method and apparatus for discontinuous reception of connected terminal in a mobile communication system
CN101150384A (zh) * 2006-09-20 2008-03-26 上海贝尔阿尔卡特股份有限公司 混合自动重传的方法和装置
CN101155384A (zh) * 2006-09-30 2008-04-02 西门子公司 连接标识的配置方法
US20090016258A1 (en) * 2007-07-13 2009-01-15 Nortel Networks Limited Quality of service control in multiple hop wireless communication environments

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014036722A1 (zh) * 2012-09-07 2014-03-13 华为技术有限公司 实现非连续接收的方法及终端设备
CN104041170A (zh) * 2012-09-07 2014-09-10 华为技术有限公司 实现非连续接收的方法及终端设备
CN109196939A (zh) * 2016-08-11 2019-01-11 索尼公司 用于网络控制端和网络节点的电子设备和方法
CN109196939B (zh) * 2016-08-11 2022-10-14 索尼公司 用于网络控制端和网络节点的电子设备和方法

Also Published As

Publication number Publication date
CN102257863A (zh) 2011-11-23

Similar Documents

Publication Publication Date Title
US10362626B2 (en) Method and apparatus for handling DRX (discontinuous reception) operation in a wireless communication system
US10772149B2 (en) Method and system for control of discontinuous reception (DRX) by a mobile device in a wireless communications network
US10117229B2 (en) Method and apparatus for using a configured resource in a wireless communication system
US8103318B1 (en) Method and system for recovering from DRX timing de-synchronization in LTE—ACTIVE
KR101574035B1 (ko) 영속 자원의 릴리즈를 시그널링하는 방법 및 장치
EP3687092B1 (en) Method and system for recovering from drx timing de-synchronization in lte-active
US20120257559A1 (en) Battery consumption control method of user equipment in mobile communication system
WO2010105432A1 (zh) 一种通信方法、中继设备、终端设备及中继系统
EP2995030A1 (en) Data retransmissions in an anchor-booster network
CN102014469A (zh) 多载波系统中的非连续接收方法、系统和设备
WO2009062355A1 (fr) Procédé destiné à envoyer une unité de données de protocole de couche de contrôle d'accès au support de service de diffusion et de multidiffusion
WO2012130092A1 (zh) 一种用于帧确认的方法和装置

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200980119881.6

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09841715

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09841715

Country of ref document: EP

Kind code of ref document: A1