WO2013020393A1 - Procédé et système de réception discontinue - Google Patents

Procédé et système de réception discontinue Download PDF

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Publication number
WO2013020393A1
WO2013020393A1 PCT/CN2012/074621 CN2012074621W WO2013020393A1 WO 2013020393 A1 WO2013020393 A1 WO 2013020393A1 CN 2012074621 W CN2012074621 W CN 2012074621W WO 2013020393 A1 WO2013020393 A1 WO 2013020393A1
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WO
WIPO (PCT)
Prior art keywords
drx
terminal
network side
parameter
parameters
Prior art date
Application number
PCT/CN2012/074621
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English (en)
Chinese (zh)
Inventor
毛磊
邓云
戴谦
艾建勋
Original Assignee
中兴通讯股份有限公司
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Publication of WO2013020393A1 publication Critical patent/WO2013020393A1/fr

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Classifications

    • 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
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • 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
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
    • 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 mobile communications, and in particular, to a discontinuous reception method and system. Background technique
  • Discontinuous Reception means that the terminal stops listening to the Physical Downlink Control Channel (PDCCH) for a period of time.
  • PDCH Physical Downlink Control Channel
  • IDLE Radio Resource Control
  • the other is to activate (Active) DRX, which is the DRX in the RRC-CONNECTED state of the terminal. It can optimize the system resource configuration. More importantly, it can save the terminal power consumption. It does not need to let the terminal enter the RRC.
  • the idle (RRCJDLE) state can save the power consumption of the terminal. For example, some non-real-time applications (web browsing, instant communication, etc.) always exist for a period of time, and the terminal does not need to continuously monitor the downlink data, and does not need to perform related processing. , DRX can be applied to such a scenario. In addition, since there is an RRC connection in the Active DRX state, the terminal has to go to the state of listening to the downlink data very quickly.
  • timers There are some timers in DRX. Some timers are described below, where all times are subframe-based, that is, in ms:
  • the terminal maintains a waking time each time it wakes up from DRX, and the terminal searches during that time. PDCCH.
  • stop timer Inactivity Timer
  • the terminal When the terminal is awake, it successfully keeps the active time after the PDCCH originally transmitted by the hybrid automatic repeat request (HARQ, Hybrid Automatic Repeat Reqest), that is, when the PDCCH received by the terminal indicates an initial transmission of UL/DL. After (instead of retransmission), it is necessary to maintain Active time. When the terminal is awake, it will keep Active for each time it successfully decodes the PDCCH originally transmitted by HARQ.
  • HARQ Hybrid Automatic Repeat Reqest
  • the Active Time includes the following times: On Duration Timer, Inactivity Timer, DRX Retransmission Timer, and MAC Layerion Resolution Timer running time; or, scheduling The request (SR, Scheduling Req terminal set) has been sent to the PUCCH and is in a suspended state (that is, the scheduling request has not been satisfied); or, there is an uplink grant for a pending HARQ, and the corresponding HARQ buffer There is data; or, after non-contention random access, the random access response message is successfully received, and there should be a PDCCH sent to the terminal to indicate a new transmission, but the PDCCH has not been received yet, and the terminal still Must be in an Active state.
  • SR Scheduling Req terminal set
  • the minimum interval at which the terminal expects the downlink retransmission (DL Retransmission) to arrive is that the terminal does not need to pay attention to when the retransmission will occur at the earliest. As long as the timer expires, the terminal is in a awake state.
  • DRX Retransmission Timer The time that the terminal expects to receive the DL Retransmission is that it takes so much time to accept the downlink.
  • this subframe HARQ RTT Timer (the shortest time expected to retransmit) times out, retransmission may come, if there is still no successful decoding data for the soft buffer of the HARQ process (that is, the previous data reception failed. , data retransmission is required, and the DRX Retransmission Timer is started to start monitoring the data related to the PDCCH retransmission. If the DRX MAC control information element is received, it means that the eNB requires the terminal to enter a sleep state. At this time, the ON Duration Timer and the DRX Inactivity Timer are stopped, but the timer related to the retransmission is not stopped, and the terminal is required to continue. Listen for retransmitted content.
  • the starting point for setting the two-stage DRX Cycle is that it is more likely that there will be data transmission immediately after the end of a data transmission process of the terminal. Therefore, a short DRX cycle is set to cope with this probability, and there is no data in several short DRX cycles. To transmit, it means that the data transmission has indeed been completed, and it can enter deep sleep state, so that long and short period cooperation can achieve better DRX effect. fruit.
  • the above is the definition of different Timers and the DRX execution flow in the DRX mechanism described by the LTE system.
  • the DRX mechanism can also be applied to other systems, such as Universal Mobile Telecommunications System (UMTS, Universal Mobile Telecommunications System), Global System of Mobile Communication (GSM), etc.
  • UMTS Universal Mobile Telecommunications System
  • GSM Global System of Mobile Communication
  • the timely communication service has different data transmission requirements, such as the terminal sending a keepalive packet to the server, a periodic friend status update (online/downline, etc.).
  • a periodic friend status update online/downline, etc.
  • power consumption is a big problem for intelligent terminals, and only when the processing between the network and the terminal adapts the data transmission period. To the best power saving performance.
  • a larger DRX Cycle period can be introduced, but if the existing long DRX Cycle period is set large (such as several tens of seconds), and Also using the existing two-stage period control, there may be no data to be transmitted in several short DRX Cycle cycles, the terminal will enter the long DRX Cycle period, and then the terminal is in the long-term sleep state, so when the sleep state, if the data arrives , the data will be cached, and will not be transmitted until the On Duration, which will bring a large delay.
  • the main object of the present invention is to provide a discontinuous reception method and system, which can better meet the data transmission requirements of the terminal when running the DRX technology.
  • the present invention provides a discontinuous reception method, including:
  • the terminal receives the DRX configuration information that is configured and sent by the network side, and includes multiple sets of DRX parameters.
  • the terminal starts the DRX process according to the DRX configuration information, and when the DRX process is running, enables the corresponding DRX parameter.
  • the network side configures and sends the DRX configuration information to:
  • the network side configures multiple sets of DRX parameters for the terminal according to the characteristics of the service running on the terminal, and passes the DRX configuration information of the multiple sets of DRX parameters. Signaling is sent to the terminal.
  • the method further includes: the DRX configuration information carries a usage policy of multiple sets of DRX parameters.
  • each set of DRX parameters includes a DRX Cycle period, an on Duration Timer, a DRX Inactivity Timer, and a DRX Retransmission Timer.
  • One or more of the DRX Cycle periods include: short DRX Cycle and/or short DRX Cycle and/or long DRX Cycle StartOffset.
  • the enabling the corresponding DRX parameter is:
  • the terminal enables the corresponding DRX parameters according to network side indications and/or preset rules and/or autonomous selection.
  • the terminal enables the corresponding DRX parameter according to the network side indication: when the DRX process is running, the network side indicates, by means of RRC signaling or MAC CE or physical layer indication, which DRX parameter the terminal needs to enable, the terminal Enable the corresponding DRX parameters according to the network side indication.
  • the terminal enables the corresponding DRX parameter according to the preset rule: If the network side configures the DRX configuration information to carry the DRX parameter usage policy, the terminal selects the enabled DRX parameter according to the DRX parameter usage policy.
  • the terminal selects the enabled DRX parameter according to the usage policy of the DRX parameter.
  • the number is:
  • the terminal first enables the DRX parameter corresponding to the shortest DRX Cycle period, and there is no data after the specified number of cycle cycles ends.
  • the transceiving action occurs, and the DRX parameter corresponding to the second-long DRX Cycle period is enabled.
  • the DRX parameter corresponding to the longer DRX Cycle period is enabled, and so on;
  • a DRX Cycle data transmission and reception occurs, and the data is re-entered after the data is sent and received.
  • the terminal independently selects and enables the corresponding DRX parameter as:
  • the terminal determines the enabled DRX parameter according to the characteristics of the service, and notifies the network side of the decision by means of the RRC signaling or the MAC CE or the physical layer indication;
  • the network side After receiving the notification on the network side, the network side makes a judgment. If the terminal is selected, the acknowledgment information is sent back to the terminal through signaling. If the terminal does not agree, the non-acknowledgment information is sent back to the terminal by signaling, and the terminal continues to use the current DRX parameters.
  • the present invention further provides a discontinuous receiving system, including: a network side and a terminal; wherein, the network side is configured to configure DRX configuration information for the terminal, where multiple DRX parameters are carried, and the configured DRX configuration information is sent to the terminal;
  • the terminal is configured to start the DRX process according to the DRX configuration information, and enable the corresponding DRX parameter when the DRX process is run.
  • the terminal receives the network side configuration and transmits
  • the DRX configuration information which carries multiple sets of DRX parameters; the terminal starts the DRX process according to the DRX configuration information, and enables the corresponding DRX parameters when the DRX process is run.
  • the technical solution of the present invention is to enhance the existing DRX mechanism. Referring to the control mechanism of multiple sets of DRX parameters, the network side configures multiple sets of DRX parameters for the terminal according to the characteristics of the service. The terminal can flexibly adapt the transmission characteristics of the service data, and select the enabled DRX parameters to enable the terminal to run the enhanced DRX. When technology is used, it can better adapt to the data transmission needs and achieve the effect of power saving.
  • FIG. 1 is a schematic flow chart of a method for implementing a discontinuous reception according to the present invention
  • FIG. 2 is a schematic diagram of a DRX Cycle period of Embodiment 1 of the present invention for implementing a discontinuous reception method
  • FIG. 3 is a schematic diagram of a DRX Cycle period of Embodiment 2 of the present invention for implementing a discontinuous reception method
  • FIG. 4 is a schematic diagram of a DRX Cycle period of Embodiment 3 of the present invention for implementing a discontinuous reception method
  • FIG. 5 is a schematic diagram of an on Duration Timer and a DRX Cycle period of Embodiment 4 of the method for implementing discontinuous reception according to the present invention
  • FIG. 6 is a schematic structural diagram of a discontinuous reception system according to the present invention. detailed description
  • the terminal receives the DRX configuration information that is configured and sent by the network side, and carries multiple sets of DRX parameters; the terminal starts the DRX process according to the DRX configuration information, and enables the corresponding DRX parameter when the DRX process is run.
  • FIG. 1 is a schematic flowchart of a method for implementing a discontinuous reception according to the present invention. As shown in FIG. 1, the method includes the following steps:
  • Step 101 The network side configures the DRX configuration information for the terminal, where the DRX configuration information is carried, and the configured DRX configuration information is sent to the terminal.
  • the network side determines whether the service is suitable for configuring the DRX mechanism according to the characteristics of the service. For example, the service data is periodically sent within a period of time, and the service is suitable for configuring the DRX mechanism. If the service data is sent without obvious rules. , this type of business is not suitable for configuring DRX Mechanism: When the network side determines that the service is suitable for configuring the DRX mechanism, the network side also needs to determine whether multiple sets of DRX parameters need to be configured. For example, if the periodicity of the transmission of the service data is time-phased, that is, the service data is sent for a period of time.
  • each set of DRX parameters may include DRX cycle period, continuous One or more of the on Duration Timer, the DRX Inactivity Timer, and the DRX Retransmission Timer; wherein the DRX Cycle period includes: Short DRX Cycle (short DRX Cycle) And / or short DRX cycle number (dx short cycle Timer) and / or long DRX cycle (long DRX Cycle StartOffset);
  • the network side configures multiple sets of DRX parameters for the terminal according to the characteristics of services running on the terminal.
  • the DRX parameters include a DRX Cycle period, an on Duration Timer, and a stop timer. (DRX Inactivity Timer), one or more of the DRX Retransmission Timers.
  • the configured DRX configuration information can also carry multiple sets of DRX parameters.
  • the DRX Cycle is used. Including: short DRX Cycle and / or drx short Cycle Timer and / or long DRX Cycle StartOffset;
  • the network side may send the DRX configuration information configured for the terminal to the terminal by using a signaling
  • the signaling for carrying the DRX configuration information may be an RRC connection establishment command, an RRC connection reestablishment command, an RRC connection reconfiguration command, a handover command, and the like. It can also be configured by a MAC Control Element (MAC CE, MAC Control Element) or by downlink control information (DCI, Downlink Control Information) of the physical layer.
  • MAC CE MAC Control Element
  • DCI Downlink Control Information
  • the characteristics of the service include the period of data constituting different uses of the service. Sex, delay requirements, etc.
  • Step 102 The terminal receives the DRX configuration information that is configured and sent by the network, starts the DRX process according to the DRX configuration information, and enables the corresponding DRX parameter when the DRX process is run. Specifically, the terminal receives the network side configuration and sends the signaling. DRX configuration information, according to The DRX configuration information starts the DRX process in the terminal; when the DRX process is running, the terminal may enable the corresponding parameter according to the network side indication and/or the preset rule and/or the autonomous selection;
  • the terminal needs to enable the corresponding DRX parameter according to the indication on the network side.
  • the usage policy of the DRX parameter is used as a preset rule, and the terminal may select the enabled DRX parameter according to the preset rule, for example,
  • the preset rule is that the use of multiple DRX Cycle cycles is from short to long.
  • the terminal After the data transmission is finished, the terminal first enables the set of DRX parameters with the shortest DRX Cycle period, after the specified number of cycle cycles (the period) No data transceiving action occurs.
  • the DRX parameter with the second-long DRX Cycle is enabled. When the specified number of cycles is over (no data transceiving occurs during the period), the longer DRX cycle is enabled.
  • the set of DRX parameters, and so on, in this process if any data transmission and reception action occurs within one DRX Cycle period, after the data is sent and received, the process is re-entered;
  • the terminal may also independently select the DRX parameter to be used, and the manner of the autonomous selection is specifically: the terminal determines the DRX parameter to be used according to the characteristics of the service, and adopts the RRC signaling or MAC CE or physical layer indication. Notifying the network side; after receiving the notification, the network side can make a judgment. If the terminal is selected, the acknowledgment information is sent back to the terminal by signaling; if the terminal does not agree, the non-confirmed information is replied to the terminal by signaling, the terminal The current DRX parameters are used.
  • the signaling for replying the acknowledgment or non-acknowledgement information may be RRC signaling, or may be indicated by a MAC CE or a physical layer.
  • FIG. 2 is a schematic diagram of a DRX Cycle period of Embodiment 1 of the method for implementing discontinuous reception according to the present invention.
  • this embodiment there are three DRX Cycle periods, and the terminal according to the pre- Let the rule enable the set of DRX parameters with the corresponding DRX Cycle period.
  • This embodiment includes the following steps:
  • Step 1 The terminal is running a data service, and the data transmission period of the service is relatively complicated. Therefore, the network side configures three sets of DRX parameters for the terminal, where three sets of DRX parameters respectively correspond to three DRX cycle periods, that is, a short DRX Cycle period, Long DRX Cycle, Superlong DRX Cycle, where DRX Cycle can be infinite; At the same time, the network side is also configured with three DRX Cycle cycles, M/N, where M and N are greater than or equal to 0.
  • the shaping value enters the long DRX Cycle period when there is no data transmission/reception in M short DRX Cycle cycles; when there is no data transmission/reception in N long DRX Cycle cycles, it enters the Superlong DRX Cycle period.
  • Step 2 The network side sends the DRX configuration information of the three sets of DRX parameters configured to the terminal to the terminal through dedicated signaling.
  • Step 3 After receiving the dedicated signaling sent by the network side, the terminal starts the DRX process in the terminal according to the DRX configuration information.
  • Step 4 When the terminal runs the DRX process, determine, according to the M/N, the time at which three DRX Cycle cycles are enabled, that is, firstly, the DRX parameter corresponding to the short DRX Cycle period is enabled, and no data is sent during the M short DRX Cycle periods. / Receive, enable the DRX parameter corresponding to the long DRX Cycle cycle; When there is no data transmission/reception in N long DRX Cycle cycles, enable the DRX parameter corresponding to the Superlong DRX Cycle cycle.
  • the DRX Cycle1 period corresponds to the short DRX Cycle period
  • the DRX Cycle2 period corresponds to the long DRX Cycle period
  • the DRX Cycle3 period corresponds to the Superlong DRX Cycle period; if the value of M is 0, it indicates that the terminal does not To enable the short DRX Cycle cycle, enable the long DRX Cycle cycle directly.
  • the terminal can skip the long DRX Cycle and directly enable the Superlong DRX Cycle.
  • FIG. 3 is a schematic diagram of a DRX Cycle of Embodiment 2 of the method for implementing discontinuous reception according to the present invention.
  • the terminal is enabled with a DRX Cycle according to the network side indication.
  • the DRX parameter corresponding to the cycle, the embodiment includes the following steps:
  • Step 1 The terminal is running a data service, and the data transmission period of the service is relatively complicated. Therefore, the network side configures three sets of DRX parameters for the terminal, where three sets of DRX parameters respectively correspond to three DRX cycle periods, that is, a short DRX Cycle period, Long DRX Cycle, Superlong DRX Cycle.
  • Step 2 The network side sends the DRX configuration information of the three sets of DRX parameters configured to the terminal to the terminal through dedicated signaling.
  • Step 3 After receiving the dedicated signaling sent by the network side, the terminal starts the DRX process in the terminal according to the DRX configuration information.
  • Step 4 When the terminal runs the DRX process, the terminal initially selects the DRX parameter corresponding to one of the DRX cycle periods, and the selected DRX cycle period may be pre-configured or indicated by the network side by signaling; for example, as shown in FIG. The terminal initially enables the DRX Cycle1 cycle.
  • Step 5 In the subsequent DRX process, the network side indicates, by the signaling, the DRX Cycle period that the terminal needs to be enabled according to the characteristics of the service data transmission.
  • the signaling used to indicate the terminal may be the RRC signaling and the MAC control information unit.
  • the signaling of the terminal the signaling of the physical layer is used to indicate the DRX Cycle period that the terminal needs to be enabled by means of the number indication (index), without configuring the actual period value.
  • Step 6 The terminal selects the DRX parameter corresponding to the enabled DRX Cycle period according to the received indication of the network side, and performs DRX control according to the set of DRX parameters; for example, as shown in FIG. 3, the terminal receives the network side. After the indication, enable the DRX parameter corresponding to the DRX Cycle2 cycle.
  • Embodiment 3
  • FIG. 4 is a schematic diagram of a DRX Cycle period of Embodiment 3 of the method for implementing a discontinuous reception according to the present invention. As shown in FIG. 4, in this embodiment, there are three DRX Cycle periods, and the terminal automatically selects a DRX Cycle period. This embodiment includes The following steps:
  • Step 1 The terminal is running a data service, and the data transmission period of the service is relatively complicated. Therefore, the network side configures three sets of DRX parameters for the terminal, where three sets of DRX parameters respectively correspond to three DRX cycle periods, that is, a short DRX Cycle period, Long DRX Cycle, Superlong DRX Cycle.
  • Step 2 The network side sends the DRX configuration information of the three sets of DRX parameters configured to the terminal to the terminal through dedicated signaling.
  • Step 3 After receiving the dedicated signaling sent by the network side, the terminal starts the DRX process in the terminal according to the DRX configuration information.
  • Step 4 When the terminal runs the DRX process, the terminal initially selects the DRX parameter corresponding to one of the DRX cycle cycles, and the selected DRX cycle period may be pre-configured or indicated by the network side by signaling; for example, as shown in FIG. 4 As shown, the terminal initially enables the DRX Cyclel cycle.
  • Step 5 In the subsequent DRX process, the terminal independently selects and enables the DRX parameter corresponding to another DRX Cycle period according to the characteristics of the service data transmission, and notifies the network side of the DRX Cycle period to be enabled by the network side through the period indication command;
  • the period indication command may be RRC signaling, signaling in the form of a MAC control information unit, or physical layer signaling.
  • the DRX Cycle period or the DRX Cycle period corresponding to the DRX Cycle period may be indicated by an index.
  • Step 6 After receiving the period indication command sent by the terminal, the network side performs the judgment on the network side. If the terminal is selected, the acknowledgment information is sent back to the terminal by signaling and according to the indicated DRX. The cycle 2 is controlled; if the terminal does not agree, the non-acknowledgment information is sent back to the terminal by signaling, and the terminal continues to use the current DRX parameter; wherein, the signaling of the reply acknowledgement or the non-acknowledgement information may be RRC signaling, or Indicated by MAC CE or physical layer.
  • This embodiment is more suitable for uplink services, because the uplink service data transmission feature is detectable by the terminal, so it is more appropriate for the terminal to select the DRX Cycle period.
  • the terminal may select and enable a DRX Cycle according to the characteristics of the service data transmission, and finally notify the network side by using the period indication command, and after receiving the period indication request sent by the terminal, the network side combines the downlink data. Determining, determining a DRX Cycle period that is finally enabled, and instructing the terminal to perform the DRX Cycle period by signaling; wherein, the signaling used for indication may be RRC signaling, signaling in the form of a MAC control information unit, physical layer signaling, etc.
  • different DRX cycle periods can be indicated by index, and the actual period value does not need to be configured; the terminal selects the enabled DRX Cycle period and the DRX parameter corresponding to the DRX Cycle period according to the received indication, and presses The DRX Cycle is DRX controlled.
  • 5 is an on Duration Timer and a fourth embodiment of the method for implementing a discontinuous reception method according to the present invention
  • FIG. 5 A schematic diagram of the DRX Cycle period is shown in FIG. 5.
  • this embodiment there are two On duration Timers and two DRX Cycle periods, and the terminal enables the DRX parameters corresponding to the On duration Timer and the DRX Cycle period according to the indication of the network side.
  • This embodiment includes the following steps:
  • Step 1 The terminal is running a data service, and the data transmission period of the service is relatively complicated. Therefore, the network side configures two sets of DRX parameters for the terminal, wherein DRX parameter 1 is equipped with On duration Timerl and DRX Cycle 1, and DRX parameter 2 is matched. There are On duration Timer2 and DRX Cycle 2.
  • Step 2 The network side sends the DRX configuration information of the two sets of DRX parameters configured to the terminal to the terminal through dedicated signaling.
  • Step 3 After receiving the dedicated signaling sent by the network side, the terminal according to the DRX configuration therein The information starts the DRX process inside the terminal.
  • Step 4 When the terminal runs the DRX process, the terminal initially selects and enables the parameter corresponding to the DRX parameter 1, including the On duration Timer1 and the DRX Cycle 1.
  • the selected DRX parameter may be pre-configured or indicated by the network side by signaling; As shown in Figure 5, the terminal initially enables On duration Timerl and DRX Cycle 1.
  • Step 5 In the subsequent DRX process, the network side indicates, according to the characteristics of the service data transmission, that the terminal needs to adjust the DRX parameter by using the signaling, that is, the DRX parameter 2 needs to be enabled; wherein the signaling used to indicate the terminal may be RRC signaling. Signaling in the form of a MAC Control Information Element, physical layer signaling, indicating the signaling of the terminal, indicating the DRX Cycle period that the terminal needs to be enabled by means of a number indication (index), without configuring the actual period value. .
  • Step 6 The terminal starts DRX parameter 2 for DRX control in the next cycle according to the received indication from the network side.
  • On duration Timer2 and DRX Cycle 2 are enabled, if the DRX parameter is further equipped with other parameters, it is also required. Adjusting; for example, as shown in Figure 5, after receiving the indication from the network side, the terminal enables On duration Timer2 and DRX Cycle 2 corresponding to DRX parameter 2.
  • the DRX parameter may include one or more of a DRX Cycle period, an on Duration Timer, a DRX Inactivity Timer, and a DRX Retransmission Timer.
  • the DRX parameters may be further expanded to introduce new timers and other parameters.
  • the present invention mainly provides a method for configuring multiple sets of DRX parameters and performing DRX parameter adjustment during operation, and is not limited to which one or more of the DRX parameters are adjusted, and any one or more parameters may be used.
  • the adjustments described in the first, second, and third embodiments are applicable.
  • FIG. 6 is a schematic structural diagram of a discontinuous receiving system according to the present invention. As shown in FIG. 6, the system includes: a network side 61. And terminal 62; wherein
  • the network side 61 is configured to configure the DRX configuration information for the terminal 62, where the DRX configuration information is carried, and the configured DRX configuration information is sent to the terminal 62;
  • the terminal 62 is configured to start a DRX process according to the DRX configuration information, and enable a corresponding DRX parameter when the DRX process is running.
  • the network side 61 configures and sends the DRX configuration information to: When the characteristics of the service are suitable for configuring the DRX mechanism and multiple sets of DRX parameters need to be configured, the network side configures multiple sets of DRX parameters according to the characteristics of the services operated by the terminal, and carries The DRX configuration information of multiple sets of DRX parameters is sent to the terminal through signaling.
  • each set of DRX parameters includes one of a DRX Cycle period, an on Duration Timer, a DRX Inactivity Timer, and a DRX Retransmission Timer. Item or items;
  • the DRX Cycle cycle includes: short DRX Cycle and / or drx short Cycle Timer and / or long DRX Cycle StartOffset.
  • the terminal 62 enables the corresponding DRX parameter to be:
  • the terminal enables the corresponding DRX parameter according to the network side indication and/or the preset rule and/or the autonomous selection.
  • the terminal 62 enables the corresponding DRX parameter according to the network side indication: when the DRX process is running, the network side indicates the DRX parameter that the terminal needs to be enabled by means of RRC signaling or MAC CE or physical layer indication, and the terminal according to the network side indication Enable the corresponding DRX parameters.
  • the terminal 62 enables the corresponding DRX parameter according to the preset rule: If the network side configures the DRX configuration information to carry the DRX parameter usage policy for the terminal, the terminal selects the enabled DRX parameter according to the DRX parameter usage policy.
  • the terminal 62 autonomously selects and enables the corresponding DRX parameter to: the terminal determines the enabled DRX parameter according to the characteristics of the service, and notifies the network side of the decision by means of RRC signaling or MAC CE or physical layer indication; After receiving the notification, the network side performs a judgment. If the terminal is selected, the acknowledgment information is sent back to the terminal by signaling; if the terminal does not agree, the non-confirmed information is replied to the terminal by signaling, and the terminal continues to use the current DRX. parameter.

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Abstract

La présente invention concerne un procédé de réception discontinue, comprenant les opérations suivantes : un terminal reçoit des informations de configuration DRX, transportant une pluralité d'ensembles de paramètres DRX, configurés et envoyés par un côté réseau ; et le terminal commence un processus DRX selon les informations de configuration DRX, et active un paramètre DRX correspondant au moment de l'exécution du processus DRX. La présente invention concerne en outre un système de réception discontinue. Selon la solution technique de la présente invention, un terminal peut mieux s'adapter à des demandes d'envoi de données au moment de l'exécution d'une technologie DRX.
PCT/CN2012/074621 2011-08-10 2012-04-24 Procédé et système de réception discontinue WO2013020393A1 (fr)

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