CN114760679B - Discontinuous Reception (DRX) configuration switching method, device and terminal - Google Patents

Discontinuous Reception (DRX) configuration switching method, device and terminal Download PDF

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Publication number
CN114760679B
CN114760679B CN202110025052.4A CN202110025052A CN114760679B CN 114760679 B CN114760679 B CN 114760679B CN 202110025052 A CN202110025052 A CN 202110025052A CN 114760679 B CN114760679 B CN 114760679B
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configuration
drx
switching
drx configuration
scheduling
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CN114760679A (en
Inventor
李东儒
姜大洁
孙晓东
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN202110025052.4A priority Critical patent/CN114760679B/en
Priority to PCT/CN2022/070713 priority patent/WO2022148431A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • 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
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • 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
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • 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
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/288—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account the usage mode, e.g. hands-free, data transmission, telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • 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

Abstract

The embodiment of the application discloses a method, a device and a terminal for switching Discontinuous Reception (DRX) configuration, belonging to the technical field of wireless communication. Wherein the method comprises the following steps: the terminal acquires at least two sets of DRX configuration; and switching to a target DRX configuration, wherein the target DRX configuration is any one of the at least two sets of DRX configurations when a preset condition is met.

Description

Discontinuous Reception (DRX) configuration switching method, device and terminal
Technical Field
The application belongs to the technical field of wireless communication, and particularly relates to a Discontinuous Reception (DRX) configuration switching method, a device and a terminal.
Background
In the related communication technology, a terminal only supports a set of discontinuous reception (Discontinuous Reception, DRX) configurations, and can only change the values of certain DRX parameters in the DRX configurations through radio resource control (Radio Resource Control, RRC) reconfiguration messages to adapt to different traffic models. The RRC reconfiguration period is too long, and the delay is too large, resulting in an increase in unnecessary power consumption.
Disclosure of Invention
The embodiment of the application provides a Discontinuous Reception (DRX) configuration switching method, a device and a terminal, which can rapidly and flexibly adapt to requirements of different service models on DRX configuration and reduce power consumption.
In a first aspect, a method for switching discontinuous reception DRX configuration is provided, which is performed by a terminal, and the method includes: acquiring at least two sets of DRX configurations; and switching to a target DRX configuration, wherein the target DRX configuration is any one of the at least two sets of DRX configurations when a preset condition is met.
In a second aspect, an apparatus for discontinuous reception, DRX, configuration switching is provided, the apparatus comprising: the acquisition module is used for acquiring at least two sets of DRX configuration; and the switching module is used for switching to a target DRX configuration under the condition that a preset condition is met, wherein the target DRX configuration is any one of the at least two sets of DRX configurations.
In a third aspect, there is provided a terminal comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction when executed by the processor implementing the steps of the method according to the first aspect.
In a fourth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor perform the steps of the method according to the first aspect.
In a fifth aspect, a chip is provided, the chip comprising a processor and a communication interface, the communication interface and the processor being coupled, the processor being configured to run a network-side device program or instruction to implement the method according to the first aspect.
In a sixth aspect, there is provided a computer program product comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing the steps of the method according to the first aspect.
In the embodiment of the application, the terminal is switched to the target DRX configuration by acquiring at least two sets of DRX configurations and under the condition that the preset condition is met, so that DRX configurations adapting to different service models can be provided, flexible and dynamic DRX configuration switching is realized, and the power consumption of the terminal is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a wireless communication system according to an exemplary embodiment of the present application.
Fig. 2 is a flow chart illustrating a method for DRX configuration switching according to an exemplary embodiment of the present application.
Fig. 3 is a flowchart of a method for DRX configuration switching according to another exemplary embodiment of the present application.
Fig. 4 is a flowchart of a method for DRX configuration switching according to another exemplary embodiment of the present application.
Fig. 5a is a block diagram of an apparatus for DRX configuration switching according to an exemplary embodiment of the present application.
Fig. 5b is a block diagram illustrating an apparatus for DRX configuration switching according to another exemplary embodiment of the present application.
Fig. 6 is a block diagram of a terminal according to an exemplary embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally intended to be used in a generic sense and not to limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.
It is noted that the techniques described in embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (Time Division Multiple Access, TDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA), single-carrier frequency division multiple access (Single-carrier Frequency-Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in embodiments of the present application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radio technologies. However, the following description describes a New air interface (NR) system for purposes of example, and NR terminology is used in much of the following description, although these techniques are also applicable to applications other than NR system applications, such as the 6th generation (6th Generation,6G) communication system.
Fig. 1 shows a schematic structural diagram of a wireless communication system to which the embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may also be called a terminal Device or a User Equipment (UE), and the terminal 11 may be a terminal-side Device such as a mobile phone, a tablet Computer (Tablet Personal Computer), a Laptop (Laptop Computer) or a notebook (Personal Digital Assistant, PDA), a palm Computer, a netbook, an ultra-mobile personal Computer (ultra-mobile personal Computer, UMPC), a mobile internet Device (Mobile Internet Device, MID), a Wearable Device (or a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), and the Wearable Device includes: a bracelet, earphone, glasses, etc. Note that, the specific type of the terminal 11 is not limited in the embodiment of the present application. The network side device 12 may be a base station or a core network, wherein the base station may be referred to as a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a node B, an evolved node B (eNB), a home node B, a home evolved node B, a WLAN access point, a WiFi node, a transmission and reception point (Transmitting Receiving Point, TRP), or some other suitable terminology in the field, and the base station is not limited to a specific technical vocabulary so long as the same technical effect is achieved, and it should be noted that in the embodiment of the present application, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
The technical scheme provided by the embodiment of the application is described in detail through specific embodiments and application scenes thereof with reference to the accompanying drawings.
As shown in fig. 2, a flowchart of a method 200 for DRX configuration switching according to an exemplary embodiment of the present application is provided, where the method 200 may be applied to a terminal, and may be performed by, for example, hardware and/or software installed in the terminal. The method 200 may include the following steps, among others.
S210, at least two sets of DRX configurations (config) are acquired.
The at least two sets of DRX configurations may be configured by the network side device, or may be agreed by a protocol, or may be reported to the network by the terminal and then configured to the terminal by the network side, etc., where different DRX configurations may correspond to different service models, and/or different DRX configurations may have different configuration priorities, etc.
In this embodiment, only one set of at least two sets of DRX configurations can be activated or operated at a time. In one implementation, at least two sets of DRX configurations may differ in at least one of the following.
(1) The DRX parameter takes on values.
(2) DRX parameters. For example, a long DRX cycle (cycle), a Short (Short) DRX cycle, a DRX start offset (start offset), a DRX duration timer (duration timer), a DRX active time timer (inactivity timer), short DRX related parameters, a DRX group (group), etc.
S220, in case that the predetermined condition is satisfied, switching to the target DRX configuration.
Wherein the target DRX configuration may be any one of the at least two sets of DRX configurations.
It should be noted that another expression or a further expression of the foregoing "switch to target DRX configuration" may be: switching from the currently running DRX configuration to the target DRX configuration, or activating the target DRX configuration if the DRX configuration is not currently used, etc. Wherein the currently running DRX configuration may be understood as a DRX configuration used before switching to the target DRX configuration. Furthermore, the currently running DRX configuration may be any one of the at least two sets of DRX configurations, which is not limited.
In this embodiment, the terminal obtains at least two sets of DRX configurations, and switches to a target DRX configuration when a predetermined condition is satisfied, where the target DRX configuration is any one set of the at least two sets of DRX configurations, so that DRX configurations adapted to different service models can be provided, flexible and dynamic DRX configuration switching is implemented, and power consumption of the terminal is effectively reduced.
As shown in fig. 3, a flowchart of a method 300 for DRX configuration switching according to an exemplary embodiment of the present application is provided, where the method 300 may be applied to a terminal, and may be performed by, for example, hardware and/or software installed in the terminal. The method 300 may include the following steps, among others.
S310, at least two sets of DRX configurations are acquired.
The implementation process of S310 may refer to the related description in the foregoing method 200, and is not repeated here.
S320, in case that the predetermined condition is satisfied, switching to the target DRX configuration.
In addition to the foregoing description of the method 200, in this embodiment, the implementation of S320 may be different according to the predetermined condition, for example, as shown in (1) - (4) below.
(1) In case that the first physical downlink control channel (Physical downlink control channel, PDCCH) is not received within consecutive M DRX cycles, switching to the first target DRX configuration.
The DRX cycle is a cycle corresponding to the DRX configuration used before the switching to the target DRX configuration.
It will be appreciated that another expression of (1) is: and switching from the currently running DRX configuration to the first target DRX configuration in the case that the first PDCCH is not received in the continuous M DRX periods. Therefore, the cycle corresponding to the DRX configuration used before the switching to the target DRX configuration is the DRX cycle under the current running DRX configuration.
The first PDCCH comprises at least one of a PDCCH for scheduling data, a PDCCH for scheduling new transmission data, a PDCCH for non-scheduling data, a PDCCH for carrying downlink control information (Downlink Control Information, DCI) scrambled by a cell radio network temporary identifier (Cell Radio Network Tempory Identity, C-RNTI), a PDCCH for carrying a common search space (Common Search Space, CSS) of Type 3 (Type 3), and a PDCCH for carrying a terminal-specific search space (UE-specific search space, USS). The term "scheduling data" may be understood to include scheduling new transmission data and retransmission data, and "new transmission data" may be understood to be data of a first or first scheduled new transmission.
In one implementation, the switching instant to the first target DRX configuration includes the following (1 a) or (1 b).
(1a) The end time of the last DRX cycle of the consecutive M DRX cycles.
(1b) End time of DRX duration of the consecutive M DRX cycles.
Wherein the M may be agreed upon by a network side configuration or protocol, e.g., 2, 3, 4, … …, N, etc.
For example, assuming that M is 3, the switching time may be: assuming that no PDCCH for scheduling new transmission data has been received for 3 consecutive DRX cycles in the currently running DRX configuration a, a handover to the first target DRX configuration is performed at the end time of the last DRX cycle or DRX duration of the above 3 consecutive DRX cycles in DRX configuration a.
It is understood that another expression of the foregoing (1) may be: and switching from the currently running DRX configuration to the first target DRX configuration in the case that the first PDCCH is not received in the continuous M DRX periods.
(2) And switching to a second target DRX configuration in the case that the first PDCCH is received in the continuous N DRX periods.
In one implementation, the switching instant to the second target DRX configuration includes any one of the following (2 a) - (2 c).
(2a) And the receiving end time of the first PDCCH.
(2b) The end time of the last DRX cycle of the consecutive N DRX cycles.
(2c) And ending time of the DRX duration of the continuous N DRX cycles.
Similar to the foregoing (1), the DRX cycle is a cycle corresponding to a DRX configuration used before the switching to the target DRX configuration, and the first PDCCH includes at least one of a PDCCH for scheduling data, a PDCCH for scheduling new data, a PDCCH for non-scheduling data, a PDCCH for carrying DCI scrambled by the C-RNTI, a PDCCH for carrying Type-3 CSS, and a PDCCH for carrying USS.
In addition, the N may be agreed by a network side configuration or protocol, e.g., 2, 3, 4, … …, N, etc., without limitation.
It will be appreciated that another expression of (2) above may be: and switching from the current running DRX configuration to the second target DRX configuration in the case that the first PDCCH is received in the continuous N DRX periods.
(3) And switching to a third target DRX configuration in case of transmitting the first uplink channel or signal.
Wherein the first uplink channel or signal is associated with the third target DRX configuration. For example, the third target DRX configuration may be indicated by a first uplink channel or signal. In this embodiment, the association between the first uplink channel or signal and the third target DRX configuration may be agreed by a network side device configuration or protocol. In addition, the embodiment of the present application may further agree on the association relationship between the first uplink channel and the signal and other DRX configurations in the at least two sets of DRX configurations through network side device configuration or protocol, which is not limited herein.
In one implementation, the switching instant to the third target DRX configuration includes the following (3 a) or (3 b).
(3a) And the transmission end time of the first uplink channel/signal.
(3b) And the end time of the first time interval after the first uplink channel/signal is transmitted.
In the foregoing, the first time interval may be configured or agreed by a network side device. The first channel or signal may be a scheduling request (Scheduling Request, SR), a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH), PUCCH, etc., without limitation.
For example, assuming that the first uplink signal is an SR, the terminal may switch to operate on the third target DRX configuration 3ms after transmitting the SR (i.e., the first time interval).
It will be appreciated that another expression of (3) above may be: and switching from the currently running DRX configuration to a third target DRX configuration in case of transmitting the first uplink channel or signal.
(4) And switching to a fourth target DRX configuration in the case that the first DCI is received.
The first DCI may carry indication information for indicating to switch to the fourth target DRX configuration, and the like.
For example, to guarantee periodicity of extended reality (XR) traffic and meet XR requirements for Packet Delay Budget (PDB), the network explicitly configures a DRX configuration switch indication field in the DCI carrying the Semi-persistent scheduling (Semi-Persistent Scheduling, SPS) configuration that is matched to XR, or indicates a DRX configuration switch by reusing an indication field associated in the DCI that is activated the SPS configuration that is matched to XR. In this case, in order to further achieve terminal power saving, after receiving the DCI described above, it may be switched to operate on the fourth target DRX configuration.
In one implementation, the switching point in time to the fourth target DRX configuration includes the following (4 a) or (4 b).
(4a) The receiving end time of the first DCI;
(4b) And ending time of the second time interval after the first DCI is received.
Wherein, the second time interval can be configured by network side equipment or agreed by a protocol.
It should be noted that the first target DRX configuration, the second target DRX configuration, the third target DRX configuration, and the fourth target DRX configuration may be any one of at least two sets of DRX configurations by protocol or network configuration, for example, the first target DRX configuration may be a DRX configuration having a longer period than a currently running DRX configuration, or may be a DRX configuration having a shorter period than the currently running DRX configuration, or the like.
It is to be understood that another expression of the foregoing (4) may be: and switching from the currently running DRX configuration to a fourth target DRX configuration in the case that the first DCI is received.
Optionally, the method may further include S330 as follows.
S330, resetting the length of the DRX related timer used before switching to the target DRX configuration to the length of the DRX related timer corresponding to the target DRX configuration.
For example, assuming that the DRX configuration used before the handover is the DRX configuration a, all timer (timer) lengths of DRX ondurationtimer and the like of the DRX configuration a may be reset to the length of each DRX-related timer corresponding to the target DRX configuration while the handover is to the target DRX configuration.
In this embodiment, based on different switching conditions, switching of DRX configurations corresponding to different service models is implemented, so that flexible DRX configuration switching can be implemented, and DRX configuration requirements of different service models are effectively satisfied.
As shown in fig. 4, a flowchart of a method 400 for DRX configuration switching according to an exemplary embodiment of the present application is provided, where the method 400 may be applied to a terminal, and may be performed by, for example, hardware and/or software installed in the terminal. The method 400 may include the following steps, among others.
S410, at least two sets of DRX configurations are acquired.
Wherein the implementation of S410 may include a specific DRX configuration in the at least two sets of DRX configurations as one possible implementation, in addition to the relevant description in method 200 and/or method 300.
The value of the specified parameter in the specific DRX configuration may be a specified value, where the specified parameter may include a DRX cycle and/or a duration of a DRX related timer, and the specified value may be 0. For example, the DRX cycle and/or the duration of the DRX-related timer has a value of 0. In this case, if the specific DRX configuration is switched to or activated, the terminal does not need to monitor the corresponding PDCCH, so that unnecessary PDCCH monitoring power consumption can be reduced, and further terminal energy saving is achieved.
In one implementation, the specific DRX configuration may be any one of the at least two sets of DRX configurations, e.g., the specific DRX configuration may be the first target DRX configuration, the second target DRX configuration, the third target DRX configuration, or the fourth target DRX configuration described in method 300.
Correspondingly, in the case that the specific DRX configuration is a first target DRX configuration, the handover condition is a handover condition of the first target DRX configuration; the handover condition is a handover condition of the second target DRX configuration in case the specific DRX configuration is the second target DRX configuration; the handover condition is a handover condition of the third target DRX configuration, in case the specific DRX configuration is the third target DRX configuration; the handover condition is a handover condition of the fourth target DRX configuration, in case the specific DRX configuration is the fourth target DRX configuration; in the case that the specific DRX configuration is other DRX configurations than the first target DRX configuration, the second target DRX configuration, the third target DRX configuration, and the fourth target DRX configuration in the at least two sets of DRX configurations, the handover condition is a handover condition of the other DRX configurations, which is not limited herein.
S420, in case of switching to a specific DRX configuration, activating a first scheduling configuration.
It is to be appreciated that another expression of "switch to a particular DRX configuration" may be that if the target DRX configuration is the particular DRX configuration, then a switch may be made from the currently running DRX configuration to the particular DRX configuration.
The first scheduling configuration is associated with the particular DRX configuration, the first scheduling configuration including at least one of an SPS configuration and a Configurable Grant (CG) configuration.
In an embodiment, the specific implementation of activating the first scheduling configuration in the case of switching to the specific DRX configuration may be any one of the following (1) - (3).
(1) The first scheduling configuration is activated while switching to the specific DRX configuration.
For example, the first scheduling configuration may be activated while a handover condition for switching to the specific DRX configuration is satisfied; the first scheduling configuration may be activated while triggering a handover action to the specific DRX configuration, which is not limited in this embodiment.
(2) The first scheduling configuration is activated after the switching to the specific DRX configuration is completed.
(3) And activating the first scheduling configuration after a first time interval after switching to the specific DRX configuration. The first time interval may be configured or agreed by the network side device, for example, the first time interval may be 3ms, etc., which is not limited herein.
In another embodiment, at least one set of SPS and/or CG configurations is maintained active during use of the particular DRX configuration. In this embodiment, the indication information for switching to (activating) the specific DRX configuration may be added to DCI carrying at least one SPS configuration and/or CG configuration, so that signaling overhead may be saved and terminal energy saving may be achieved by indicating two functions in one DCI.
In yet another embodiment, switching to the specific DRX configuration and activating a second scheduling configuration if a second DCI is received; it may be appreciated that the second DCI may include related indication information of the second scheduling configuration, such as activation information of the second scheduling configuration, etc.
Alternatively, the second DCI may be the same as or different from the first DCI, for example, if the second DCI is the same as the first DCI, and accordingly, the fourth target DRX configuration may also be the specific DRX configuration. For example, assuming that the indication information for switching to the specific DRX configuration is configured in the first DCI, the terminal switches to the specific DRX configuration after receiving the first DCI; for another example, if the first DCI is configured with indication information indicating activation of the second scheduling configuration and indication information for switching to the specific DRX configuration, the terminal switches to the specific DRX configuration after receiving the first DCI and activates the second scheduling information.
Further, the second scheduling configuration is similar to the first scheduling configuration, e.g., the second scheduling configuration may include at least one scheduling configuration including at least one of an SPS configuration and a CG configuration.
It should be noted that, through the above three embodiments, the present application can ensure that the terminal can still transmit data when switching to the specific DRX configuration, ensure the terminal performance and network throughput, and simultaneously realize terminal energy saving by switching to the specific DRX configuration. For example, in downlink XR service, the network may ensure transmission performance of XR service by configuring one or more SPS configurations that match the arrival period of the downlink XR service, where DRX configuration is not required to ensure the transmission performance of the service. Therefore, by switching to the specific DRX configuration, the terminal does not monitor the PDCCH, and further the terminal energy saving is realized.
It will be appreciated that the foregoing "three embodiments" refer to activating a first scheduling configuration in case of a handover to a specific DRX configuration; a second scheduling configuration and maintaining at least one set of SPS and/or CG configurations active during use of the particular DRX configuration; and switching to the specific DRX configuration and activating a second scheduling configuration when receiving a second DCI.
Alternatively, the first timer may be started or restarted in case of switching to the specific DRX configuration. Wherein during operation of the first timer, the specific DRX configuration is used for PDCCH monitoring.
Further, in this embodiment, any one of the at least two sets of DRX configurations may be determined to be a default DRX configuration by means of network side device configuration or protocol convention, or the like. Further, in an alternative, the particular DRX configuration is a different DRX configuration than the default DRX configuration.
In this case, several different scenarios for switching to the default DRX configuration are given below.
(1) In case that no data channel is detected for X consecutive first periods, switching to a default DRX configuration.
The X may be configured by a network side or a protocol, the first period is a period of at least one scheduling configuration in the first scheduling configuration, and the data channel includes a physical downlink shared channel (Physical downlink shared channel, PDSCH) or PUSCH.
For example, the network configuration X is 2 and one SPS configuration is included in the first scheduling configuration, then if PDSCH transmission (e.g., PDSCH transmission) is not received within 2 consecutive SPS periods, then switch to the default DRX configuration.
(2) And switching to a default DRX configuration in case that the data channel is not detected for Y consecutive second periods.
The Y may be configured by a network side or a protocol, the second period is a period of at least one scheduling configuration in the second scheduling configuration, and the data channel includes PDSCH or PUSCH.
For example, the network configuration Y is 2 and the second scheduling configuration includes one SPS configuration. Then, if PDSCH transmissions (e.g., PDSCH transmissions) are not received within 2 consecutive SPS periods, then the default DRX configuration is switched.
(3) And switching to a default DRX configuration in the case that the first timer expires.
For example, a network side configuration or protocol convention or a specific DCI dynamic indicates that the first timer is 10ms long, then switch to the default DRX configuration after the first timer expires.
Through the three different scenes of switching to the default DRX configuration given in (1) - (3), it can be ensured that the terminal can switch out from the specific DRX configuration and return to the default DRX configuration, so as to ensure the performance of the terminal in scheduling PDSCH transmission through PDCCH.
It should be noted that, in the method for performing DRX configuration switching provided in the embodiments of the present application, the execution body may be a device for performing DRX configuration switching, or a control module of a method for performing DRX configuration switching in the device for performing DRX configuration switching. In the subsequent embodiments of the present application, a method for executing DRX configuration switching by a DRX configuration switching device is taken as an example, and the DRX configuration switching device provided in the embodiments of the present application is described.
As shown in fig. 5a, a block structure diagram of an apparatus 500 for DRX configuration switching according to an exemplary embodiment of the present application is provided, where the apparatus 500 includes: an obtaining module 510, configured to obtain at least two sets of DRX configurations; a switching module 520, configured to switch to a target DRX configuration, where the target DRX configuration is any one of the at least two sets of DRX configurations, if a predetermined condition is met.
In a possible implementation manner, the switching module 520 is configured to at least one of the following: switching to a first target DRX configuration under the condition that a first physical downlink control channel PDCCH is not received in M continuous DRX periods; switching to a second target DRX configuration in case that the first PDCCH is received in the continuous N DRX periods; switching to a third target DRX configuration in case a first uplink channel or signal is transmitted, the first uplink channel or signal being associated with the third target DRX configuration; switching to a fourth target DRX configuration under the condition that first downlink control information DCI is received; the DRX cycle is a cycle corresponding to the DRX configuration used before the switching to the target DRX configuration.
In another possible implementation manner, the switching time of the switching to the first target DRX configuration includes any one of the following: the end time of the last DRX period of the continuous M DRX periods; end time of DRX duration of the consecutive M DRX cycles.
In yet another possible implementation manner, the switching time of the switching to the second target DRX configuration includes any one of the following: the receiving end time of the first PDCCH; the end time of the last DRX period of the continuous N DRX periods; and ending time of the DRX duration of the continuous N DRX cycles.
In yet another possible implementation manner, the first PDCCH includes at least one of a PDCCH for scheduling data, a PDCCH for scheduling new transmission data, a PDCCH for non-scheduling data, a PDCCH for carrying DCI scrambled by a cell radio network temporary identity C-RNTI, a PDCCH for carrying in a type 3 common search space CSS, and a PDCCH for carrying in a terminal specific search space USS.
In yet another possible implementation manner, the switching time of the switching to the third target DRX configuration includes any one of the following: the transmission end time of the first uplink channel/signal; and the end time of the first time interval after the first uplink channel/signal is transmitted.
In yet another possible implementation manner, the switching time point of the switching to the fourth target DRX configuration includes any one of the following: the receiving end time of the first DCI; and ending time of the second time interval after the first DCI is received.
In yet another possible implementation manner, the switching module 520 is further configured to reset the DRX-related timer length used before switching to the target DRX configuration to the DRX-related timer length corresponding to the target DRX configuration.
In yet another possible implementation, the at least two sets of DRX configurations include a specific DRX configuration; the specific DRX configuration comprises a specific DRX configuration, wherein the specific DRX configuration comprises a specific DRX period and/or a duration of a DRX related timer, and the specific DRX configuration comprises a specific parameter which is a specific value.
In yet another possible implementation manner, as shown in fig. 5b, the apparatus 500 further includes: a first activating module 530, configured to activate a first scheduling configuration in case of switching to the specific DRX configuration; wherein the first scheduling configuration is associated with the particular DRX configuration, the first scheduling configuration comprising at least one of a semi-persistent scheduling, SPS, configuration and a configurable scheduling, CG, configuration.
In yet another possible implementation manner, the first activating module 530 is configured to be any one of the following: activating the first scheduling configuration while switching to the specific DRX configuration; activating the first scheduling configuration after switching to the specific DRX configuration is completed; and activating the first scheduling configuration after a first time interval after switching to the specific DRX configuration.
In yet another possible implementation, at least one set of SPS and/or CG configurations is maintained active during use of the particular DRX configuration.
In yet another possible implementation, referring again to fig. 5b, the apparatus 500 further includes: a second activating module 540, configured to switch to the specific DRX configuration and activate a second scheduling configuration when receiving a second DCI; wherein the second DCI includes relevant indication information of the second scheduling configuration.
In yet another possible implementation manner, the switching module 520 is further configured to switch to a default DRX configuration in a case where no data channel is detected in X consecutive first periods; the first period is a period of at least one scheduling configuration in the first scheduling configuration, the data channel comprises a physical downlink shared channel PDSCH or a physical uplink shared channel PUSCH, and any one set of DRX configuration in the at least two sets of DRX configurations is agreed by a network side configuration or a protocol to be the default DRX configuration.
In yet another possible implementation manner, the switching module 520 is further configured to switch to a default DRX configuration in a case that no data channel is detected in Y consecutive second periods; the second period is a period of at least one scheduling configuration in the second scheduling configuration, the data channel comprises a PDSCH or a PUSCH, and any one set of DRX configuration in the at least two sets of DRX configuration is agreed by a network side configuration or a protocol to be the default DRX configuration.
In yet another possible implementation, the switching module 520 is further configured to start or restart the first timer in case of switching to the specific DRX configuration.
In yet another possible implementation, the switching module 520 is further configured to switch to a default DRX configuration if the first timer expires.
In the embodiment of the application, by acquiring at least two sets of DRX configurations and switching to the target DRX configuration under the condition that the preset condition is met, the target DRX configuration is any one set of the at least two sets of DRX configurations, so that DRX configurations adapting to different service models can be provided under the condition that parameter values in the DRX configurations are not changed through RRC reconfiguration information, and unnecessary power consumption waste is effectively reduced.
The apparatus 500 for DRX configuration switching in the embodiments of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal. The device may be a mobile terminal or a non-mobile terminal. By way of example, mobile terminals may include, but are not limited to, the types of terminals 11 listed above, and non-mobile terminals may be servers, network attached storage (Network Attached Storage, NAS), personal computers (personal computer, PCs), televisions (TVs), teller machines, self-service machines, etc., and embodiments of the present application are not limited in detail.
The apparatus 500 for DRX configuration switching in the embodiment of the present application may be an apparatus having an operating system. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
The apparatus 500 for DRX configuration switching provided in the embodiments of the present application can implement each process implemented by the embodiments of the methods of fig. 2 to fig. 4, and achieve the same technical effects, and for avoiding repetition, a detailed description is omitted herein.
As shown in fig. 6, a schematic hardware structure of a terminal implementing an embodiment of the present application is shown. The terminal 600 includes, but is not limited to: radio frequency unit 601, network module 602, audio output unit 603, input unit 604, sensor 605, display unit 606, user input unit 607, interface unit 608, memory 609, and processor 610.
Those skilled in the art will appreciate that the terminal 600 may further include a power source (e.g., a battery) for powering the various components, and the power source may be logically coupled to the processor 610 by a power management system so as to perform functions such as managing charging, discharging, and power consumption by the power management system. The terminal structure shown in fig. 6 does not constitute a limitation of the terminal, and the terminal may include more or less components than shown, or may combine certain components, or may be arranged in different components, which will not be described in detail herein.
It should be appreciated that in the embodiment of the present application, the input unit 604 may include a graphics processor (Graphics Processing Unit, GPU) 1041 and a microphone 6042, and the graphics processor 6041 processes image data of still pictures or video obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The display unit 606 may include a display panel 6061, and the display panel 6061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 607 includes a touch panel 6071 and other input devices 6072. The touch panel 6071 is also called a touch screen. The touch panel 6071 may include two parts of a touch detection device and a touch controller. Other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.
In this embodiment, the radio frequency unit 601 receives downlink data from the network side device and processes the downlink data with the processor 610; in addition, the uplink data is sent to the network side equipment. Typically, the radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
The memory 609 may be used to store software programs or instructions and various data. The memory 609 may mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area may store an operating system, an application program or instruction (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. In addition, the Memory 609 may include a high-speed random access Memory, and may further include a nonvolatile Memory, wherein the nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable Programmable ROM (EPROM), an Electrically Erasable Programmable EPROM (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
The processor 610 may include one or more processing units; alternatively, the processor 610 may integrate an application processor that primarily processes operating systems, user interfaces, and applications or instructions, etc., with a modem processor that primarily processes wireless communications, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into the processor 610.
Wherein the processor 610 is configured to obtain at least two sets of DRX configurations; and switching to a target DRX configuration, wherein the target DRX configuration is any one of the at least two sets of DRX configurations when a preset condition is met.
In the embodiment of the application, by acquiring at least two sets of DRX configurations and switching to the target DRX configuration under the condition that the preset condition is met, the target DRX configuration is any one set of the at least two sets of DRX configurations, so that DRX configurations adapting to different service models can be provided under the condition that parameter values in the DRX configurations are not changed through RRC reconfiguration information, and unnecessary power consumption waste is effectively reduced.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, where the program or the instruction implements each process of the method embodiment of DRX configuration switching when executed by a processor, and the process can achieve the same technical effect, so that repetition is avoided, and no detailed description is given here.
Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium such as a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to run a network side device program or instruction, to implement each process of the method embodiment of DRX configuration switching, and to achieve the same technical effect, so that repetition is avoided, and details are not repeated here.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.
The embodiment of the present application further provides a computer program product, where the computer program product includes a processor, a memory, and a program or an instruction stored in the memory and capable of running on the processor, and when the program or the instruction is executed by the processor, the program or the instruction implements each process of the method embodiment of DRX configuration switching, and the same technical effect can be achieved, so that repetition is avoided, and no further description is given here.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), including several instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims (34)

1. A method of discontinuous reception, DRX, configuration switching performed by a terminal, the method comprising:
acquiring at least two sets of DRX configurations;
switching to a target DRX configuration, wherein the target DRX configuration is any one set of at least two sets of DRX configurations under the condition that a preset condition is met;
wherein, in case that the predetermined condition is satisfied, switching to the target DRX configuration includes at least one of:
switching to a first target DRX configuration under the condition that a first physical downlink control channel PDCCH is not received in M continuous DRX periods;
switching to a second target DRX configuration in case that the first PDCCH is received in the continuous N DRX periods;
switching to a third target DRX configuration in case a first uplink channel or signal is transmitted, the first uplink channel or signal being associated with the third target DRX configuration;
and switching to a fourth target DRX configuration when receiving the first downlink control information DCI.
2. The method of claim 1, wherein the switching time to the first target DRX configuration comprises any of:
the end time of the last DRX period of the continuous M DRX periods;
End time of DRX duration of the consecutive M DRX cycles.
3. The method of claim 1, wherein the switching time to the second target DRX configuration comprises any of:
the receiving end time of the first PDCCH;
the end time of the last DRX period of the continuous N DRX periods;
and ending time of the DRX duration of the continuous N DRX cycles.
4. The method of claim 1, wherein the first PDCCH comprises at least one of a PDCCH for scheduling data, a PDCCH for scheduling new data, a PDCCH for non-scheduling data, a PDCCH for carrying DCI scrambled by a cell radio network temporary identity C-RNTI, a PDCCH for carrying a common search space CSS of type 3, a PDCCH for carrying a terminal specific search space USS.
5. The method of claim 1, wherein the switching time to the third target DRX configuration comprises any of:
the transmission end time of the first uplink channel/signal;
and the end time of the first time interval after the first uplink channel/signal is transmitted.
6. The method of claim 1, wherein the switch point in time to switch to the fourth target DRX configuration comprises any one of:
The receiving end time of the first DCI;
and ending time of the second time interval after the first DCI is received.
7. The method of claim 1, wherein the method further comprises:
and resetting the length of the DRX related timer used before switching to the target DRX configuration to the length of the DRX related timer corresponding to the target DRX configuration.
8. The method according to any of claims 1-7, wherein a particular DRX configuration is included in the at least two sets of DRX configurations; the specific DRX configuration comprises a specific DRX configuration, wherein the specific DRX configuration comprises a specific DRX period and/or a duration of a DRX related timer, and the specific DRX configuration comprises a specific parameter which is a specific value.
9. The method of claim 8, wherein if the target DRX configuration is the specific DRX configuration, the method further comprises:
activating a first scheduling configuration in case of switching to the specific DRX configuration;
wherein the first scheduling configuration is associated with the particular DRX configuration, the first scheduling configuration comprising at least one of a semi-persistent scheduling, SPS, configuration and a configurable scheduling, CG, configuration.
10. The method of claim 9, wherein the activating the first scheduling configuration in case of switching to the particular DRX configuration comprises any of:
activating the first scheduling configuration while switching to the specific DRX configuration;
activating the first scheduling configuration after switching to the specific DRX configuration is completed;
and activating the first scheduling configuration after a first time interval after switching to the specific DRX configuration.
11. The method of claim 8, wherein at least one set of SPS configurations and/or CG configurations are maintained active during use of the particular DRX configuration.
12. The method of claim 8, wherein the method further comprises:
switching to the specific DRX configuration and activating a second scheduling configuration in case of receiving a second DCI;
wherein the second DCI includes relevant indication information of the second scheduling configuration.
13. The method of claim 9, wherein the method further comprises:
switching to a default DRX configuration in case no data channel is detected for consecutive X first periods;
the first period is a period of at least one scheduling configuration in the first scheduling configuration, the data channel comprises a physical downlink shared channel PDSCH or a physical uplink shared channel PUSCH, and any one set of DRX configuration in the at least two sets of DRX configurations is agreed by a network side configuration or a protocol to be the default DRX configuration.
14. The method of claim 12, wherein the method further comprises:
switching to a default DRX configuration in case no data channel is detected for Y consecutive second periods;
the second period is a period of at least one scheduling configuration in the second scheduling configuration, the data channel comprises a PDSCH or a PUSCH, and any one set of DRX configuration in the at least two sets of DRX configuration is agreed by a network side configuration or a protocol to be the default DRX configuration.
15. The method of claim 8, wherein the method further comprises:
in case of a switch to the specific DRX configuration, a first timer is started or restarted.
16. The method of claim 15, wherein the method further comprises:
and switching to a default DRX configuration in the case that the first timer expires.
17. An apparatus for discontinuous reception, DRX, configuration switching, the apparatus comprising:
the acquisition module is used for acquiring at least two sets of DRX configuration;
a switching module, configured to switch to a target DRX configuration, where the target DRX configuration is any one of the at least two sets of DRX configurations when a predetermined condition is satisfied;
Wherein the switching module is used for at least one of the following:
switching to a first target DRX configuration under the condition that a first physical downlink control channel PDCCH is not received in M continuous DRX periods;
switching to a second target DRX configuration in case that the first PDCCH is received in the continuous N DRX periods;
switching to a third target DRX configuration in case a first uplink channel or signal is transmitted, the first uplink channel or signal being associated with the third target DRX configuration;
and switching to a fourth target DRX configuration when receiving the first downlink control information DCI.
18. The apparatus of claim 17, wherein the switch time to the first target DRX configuration comprises any of:
the end time of the last DRX period of the continuous M DRX periods;
end time of DRX duration of the consecutive M DRX cycles.
19. The apparatus of claim 17, wherein the switch time to the second target DRX configuration comprises any of:
the receiving end time of the first PDCCH;
the end time of the last DRX period of the continuous N DRX periods;
And ending time of the DRX duration of the continuous N DRX cycles.
20. The apparatus of claim 17, wherein the first PDCCH comprises at least one of a PDCCH for scheduling data, a PDCCH for scheduling new data, a PDCCH for non-scheduling data, a PDCCH for carrying DCI scrambled by a cell radio network temporary identity C-RNTI, a PDCCH for carrying a common search space CSS of type 3, a PDCCH for carrying a terminal specific search space USS.
21. The apparatus of claim 17, wherein the switch time to the third target DRX configuration comprises any of:
the transmission end time of the first uplink channel/signal;
and the end time of the first time interval after the first uplink channel/signal is transmitted.
22. The apparatus of claim 17, wherein the switch point in time to switch to the fourth target DRX configuration comprises any one of:
the receiving end time of the first DCI;
and ending time of the second time interval after the first DCI is received.
23. The apparatus of claim 17, wherein the handover module is further configured to reset a DRX-related timer length used prior to the handover to a target DRX configuration to a DRX-related timer length corresponding to the target DRX configuration.
24. The apparatus according to any of claims 17-23, wherein a particular DRX configuration is included in the at least two sets of DRX configurations; the specific DRX configuration comprises a specific DRX configuration, wherein the specific DRX configuration comprises a specific DRX period and/or a duration of a DRX related timer, and the specific DRX configuration comprises a specific parameter which is a specific value.
25. The apparatus of claim 24, wherein if the target DRX configuration is the specific DRX configuration, the apparatus further comprises:
a first activating module, configured to activate a first scheduling configuration in a case of switching to the specific DRX configuration; wherein the first scheduling configuration is associated with the particular DRX configuration, the first scheduling configuration comprising at least one of a semi-persistent scheduling, SPS, configuration and a configurable scheduling, CG, configuration.
26. The apparatus of claim 25, wherein the first activation module is configured to any one of:
activating the first scheduling configuration while switching to the specific DRX configuration;
activating the first scheduling configuration after switching to the specific DRX configuration is completed;
and activating the first scheduling configuration after a first time interval after switching to the specific DRX configuration.
27. The apparatus of claim 24, wherein at least one set of SPS configuration and/or CG configuration is maintained active during use of the particular DRX configuration.
28. The apparatus of claim 24, wherein the apparatus further comprises:
a second activation module, configured to switch to the specific DRX configuration and activate a second scheduling configuration when a second DCI is received;
wherein the second DCI includes relevant indication information of the second scheduling configuration.
29. The apparatus of claim 25, wherein the switching module is further for switching to a default DRX configuration if no data channel is detected for X consecutive first periods;
the first period is a period of at least one scheduling configuration in the first scheduling configuration, the data channel comprises a physical downlink shared channel PDSCH or a physical uplink shared channel PUSCH, and any one set of DRX configuration in the at least two sets of DRX configurations is agreed by a network side configuration or a protocol to be the default DRX configuration.
30. The apparatus of claim 28, wherein the switching module is further for switching to a default DRX configuration if no data channel is detected for Y consecutive second periods;
The second period is a period of at least one scheduling configuration in the second scheduling configuration, the data channel comprises a PDSCH or a PUSCH, and any one set of DRX configuration in the at least two sets of DRX configuration is agreed by a network side configuration or a protocol to be the default DRX configuration.
31. The apparatus of claim 24, wherein the switching module is further for starting or restarting a first timer if switching to the particular DRX configuration.
32. The apparatus of claim 31, wherein the switching module is further for switching to a default DRX configuration if the first timer expires.
33. A terminal comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method of DRX configuration switching of any of claims 1 to 16.
34. A readable storage medium, wherein a program or instructions is stored on the readable storage medium, which when executed by a processor, performs the steps of the method of DRX configuration switching according to any of claims 1-16.
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