CN114760679A - 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
CN114760679A
CN114760679A CN202110025052.4A CN202110025052A CN114760679A CN 114760679 A CN114760679 A CN 114760679A CN 202110025052 A CN202110025052 A CN 202110025052A CN 114760679 A CN114760679 A CN 114760679A
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drx
configuration
switching
drx configuration
scheduling
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CN202110025052.4A
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CN114760679B (en
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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 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

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

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 configurations; and 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.

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 method, a device and a terminal for Discontinuous Reception (DRX) configuration switching.
Background
In the related communication technology, the terminal only supports a set of Discontinuous Reception (DRX) configuration, and can change values of some DRX parameters in the DRX configuration only through Radio Resource Control (RRC) reconfiguration messages to adapt to different service models. As the RRC reconfiguration period is too long, the time delay is too long, which results in unnecessary power consumption.
Disclosure of Invention
The embodiment of the application provides a method, a device and a terminal for switching Discontinuous Reception (DRX) configuration, which can quickly and flexibly adapt to the requirements of different service models on the DRX configuration and simultaneously reduce the power consumption.
In a first aspect, a method for Discontinuous Reception (DRX) configuration switching is provided, which is performed by a terminal, and includes: acquiring at least two sets of DRX configurations; and 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 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 configurations; and the switching module is used for switching to a target DRX configuration under the condition of meeting a preset condition, wherein the target DRX configuration is any one of the at least two sets of DRX configurations.
In a third aspect, a terminal is provided, the terminal 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 a fourth aspect, a readable storage medium is provided, on which a program or instructions are stored, which when executed by a processor, implement the steps of the method according to the first aspect.
In a fifth aspect, a chip is provided, 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 execute a network-side device program or instruction to implement the method according to the first aspect.
In a sixth aspect, a computer program product is provided, comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the method according to the first aspect.
In the embodiment of the application, the terminal acquires at least two sets of DRX configurations and switches to the target DRX configuration under the condition that the preset conditions are met, so that DRX configurations adaptive 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 flowchart illustrating a method for switching DRX configuration according to an exemplary embodiment of the present disclosure.
Fig. 3 is a flowchart illustrating a method for switching DRX configuration according to another exemplary embodiment of the present application.
Fig. 4 is a flowchart illustrating a method for switching DRX configuration according to another exemplary embodiment of the present application.
Fig. 5a is a block diagram illustrating an apparatus for switching a DRX configuration according to an exemplary embodiment of the present application.
Fig. 5b is a block diagram illustrating an apparatus for switching a DRX configuration 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 technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments that can be derived from the embodiments given herein by a person of ordinary skill in the art are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements 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 other sequences than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally used herein in a generic sense to distinguish one element from another, and not necessarily from another element, such as a first element which may be one or more than one. In addition, "and/or" in the specification and the claims means at least one of connected objects, and a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, but may also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described techniques can be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. However, the following description describes a New Radio (NR) system for purposes of example, and NR terminology is used in much of the description below, although the techniques may also be applied to applications other than NR system applications, such as 6th Generation (6G) communication systems.
Fig. 1 is a schematic diagram illustrating a structure of a wireless communication system to which an embodiment of the present application is applicable. The wireless communication system includes a terminal 11 and a network-side device 12. Wherein, the terminal 11 may also be called as a terminal Device or a User Equipment (UE), the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer) or a notebook Computer, a Personal Digital Assistant (PDA), a palmtop Computer, a netbook, a super-Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), a Wearable Device (Wearable Device) or a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), and other terminal side devices, the Wearable Device includes: bracelets, earphones, glasses and the like. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network-side device 12 may be a Base Station or a core network, where the Base Station may be referred to as a node B, an evolved node B, an access Point, a Base Transceiver Station (BTS), a radio Base Station, a radio Transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a home node B, a WLAN access Point, a WiFi node, a Transmit Receiving Point (TRP), or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base Station is not limited to a specific technical vocabulary, 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 a specific type of the Base Station is not limited.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
As shown in fig. 2, a flowchart of a method 200 for DRX configuration switching according to an exemplary embodiment of the present disclosure is provided, where the method 200 may be applied to a terminal, and may be implemented by hardware and/or software installed in the terminal, for example. The method 200 may include the following steps, among others.
S210, at least two sets of DRX configurations (config) are obtained.
The at least two sets of DRX configurations may be configured by a network side device, or agreed by a protocol, or reported to a network by a terminal and configured to the terminal by the network side, and the like, wherein different DRX configurations may correspond to different service models, and/or different DRX configurations may have different configuration priorities, and the like.
In this embodiment, only one DRX configuration of the at least two DRX configurations can be activated or operated at the same time. In one implementation, at least one of the following differences may exist between the at least two sets of DRX configurations.
(1) And taking the DRX parameter.
(2) And DRX parameters. For example, a long DRX cycle (cycle), a Short DRX cycle (Short), a DRX start offset (start offset), a DRX duration timer (duration timer), a DRX active time timer (inactivity timer), a Short DRX-related parameter, a DRX group (group), etc.
And S220, switching to the target DRX configuration under the condition that a preset condition is met.
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 aforementioned "handover to the target DRX configuration" may be: switching from the currently running DRX configuration to the target DRX configuration, or, in case the DRX configuration is not currently used, activating the target DRX configuration, etc. Wherein the currently running DRX configuration can be understood as a DRX configuration used before switching to a 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 respect.
In this embodiment, the terminal acquires 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 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 disclosure is provided, and the method 300 may be applied to a terminal, for example, and may be performed by 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 obtained.
The implementation process of S310 may refer to the related description in the foregoing method 200, and is not described herein again to avoid repetition.
And S320, switching to the target DRX configuration when a preset condition is met.
In addition to the implementation process of S320, reference may be made to the related description in the foregoing method 200, in this embodiment, the implementation process of S320 may be different according to the difference of the predetermined condition, for example, as shown in (1) to (4) below.
(1) And switching to a first target DRX configuration when a first Physical Downlink Control Channel (PDCCH) is not received in M continuous DRX periods.
And the DRX period is the period corresponding to the DRX configuration used before the target DRX configuration is switched to.
It is understood that another expression of (1) is: and under the condition that the first PDCCH is not received within continuous M DRX periods, switching from the current running DRX configuration to the first target DRX configuration. Therefore, the DRX cycle corresponding to the DRX configuration used before the handover to the target DRX configuration is the DRX cycle in the currently operating DRX configuration.
The first PDCCH comprises at least one of a PDCCH for scheduling data, a PDCCH for scheduling newly transmitted data, a PDCCH for non-scheduling data, a PDCCH for bearing Downlink Control Information (DCI) scrambled by a Cell Radio Network temporary Identity (C-RNTI), a PDCCH for bearing Common Search Space (CSS) of Type 3(Type-3), and a PDCCH for bearing a UE-specific Search Space (USS). The "scheduling data" may be understood to include scheduling newly transmitted data and retransmission data, and the "newly transmitted data" may be understood to be newly transmitted data scheduled for the first time or the first time.
In one implementation, the handover time to the first target DRX configuration includes the following (1a) or (1 b).
(1a) And the ending time of the last DRX period in the continuous M DRX periods.
(1b) And ending time of DRX duration of the continuous M DRX periods.
Wherein, the M may be configured or agreed by a protocol on the network side, for example, 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 operating DRX configuration a, switching to the first target DRX configuration is performed at the end of the last DRX cycle or DRX duration of the aforementioned 3 consecutive DRX cycles in DRX configuration a.
It is understood that another expression of the foregoing (1) may be: and under the condition that the first PDCCH is not received within continuous M DRX periods, switching from the current operation DRX configuration to the first target DRX configuration.
(2) And switching to a second target DRX configuration when the first PDCCH is received within N continuous DRX periods.
In one implementation, the switching time to the second target DRX configuration includes any one of the following (2a) - (2 c).
(2a) And ending the reception of the first PDCCH.
(2b) And the ending time of the last DRX period in the continuous N DRX periods.
(2c) And ending time of DRX duration of the continuous N DRX periods.
Similar to the above (1), the DRX cycle is a cycle corresponding to the DRX configuration used before the handover to the target DRX configuration, and the first PDCCH includes at least one of a PDCCH for scheduling data, a PDCCH for scheduling newly transmitted data, a PDCCH for non-scheduled data, a PDCCH for carrying DCI scrambled by C-RNTI, a PDCCH for carrying in Type-3 CSS, and a PDCCH for carrying in USS.
In addition, the N may be configured or agreed by a network side, such as 2, 3, 4, … …, N, etc., without limitation.
It is understood that another expression of the foregoing (2) may be: and under the condition that the first PDCCH is received in N continuous DRX periods, switching from the current operation DRX configuration to a second target DRX configuration.
(3) In case of transmitting the first uplink channel or signal, switching to a third target DRX configuration.
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 configured by a network side device or agreed by a protocol. In addition, in the embodiment of the present application, association between the first uplink channel and the signal and other DRX configurations of the at least two sets of DRX configurations may also be agreed by a network side device configuration or a protocol, which is not limited herein.
In one implementation, the handover time to the third target DRX configuration includes the following (3a) or (3 b).
(3a) And the transmission end time of the first uplink channel/signal.
(3b) And the end time of a first time interval after the first uplink channel/signal is sent.
In the foregoing, the first time interval may be configured by a network-side device or agreed by a protocol. The first Channel or signal may be a Scheduling Request (SR), a Physical Uplink Shared Channel (PUSCH), a PUCCH, and the like, which is not limited.
For example, assuming that the first uplink signal is an SR, the terminal may switch to operate in the third target DRX configuration after 3ms (i.e., the first time interval) after transmitting the SR.
It is understood that another expression of the foregoing (3) may be: and under the condition of transmitting the first uplink channel or signal, switching from the currently running DRX configuration to a third target DRX configuration.
(4) Switching to a fourth target DRX configuration if the first DCI is received.
Wherein, the first DCI may carry indication information for indicating handover to the fourth target DRX configuration, and the like.
For example, to guarantee the periodicity of the extended reality (XR) service and meet the XR requirement on the Packet Delay Budget (PDB), the network explicitly configures a DRX configuration switching indication field in DCI carrying Semi-Persistent Scheduling (SPS) configuration that activates the SPS configuration that matches XR, or indicates DRX configuration switching by reusing an indication field associated in DCI that activates the SPS configuration that matches XR. In this case, to further achieve terminal power saving, after receiving the DCI, the terminal may switch to the fourth target DRX configuration to operate.
In one implementation, the switching time point to the fourth target DRX configuration includes the following (4a) or (4 b).
(4a) A reception end time of the first DCI;
(4b) an end time of a second time interval after the first DCI is received.
The second time interval may be configured by a network-side device or agreed by a protocol.
It should be noted that the aforementioned first target DRX configuration, second target DRX configuration, third target DRX configuration, and fourth target DRX configuration may be any one of at least two sets of DRX configurations, which are configured by protocol convention or on the network side, for example, the first target DRX configuration may be a DRX configuration with a longer cycle than a currently running DRX configuration, a DRX configuration with a shorter cycle than a currently running DRX configuration, and the like.
It is understood that another expression of the foregoing (4) may be: and switching to a fourth target DRX configuration from the current operation DRX configuration under the condition of receiving the first DCI.
Optionally, the method may further include S330 as follows.
S330, resetting the DRX related timer length used before the target DRX configuration is switched to the DRX related timer length corresponding to the target DRX configuration.
For example, assuming that the DRX configuration used before the handover is DRX configuration a, while the handover is to the target DRX configuration, the length of all timers (timers), such as DRX on duration timer, of DRX configuration a may be reset to the length of each DRX related timer corresponding to the target DRX configuration.
In the embodiment, based on different switching conditions, the switching of the DRX configurations corresponding to different service models is realized, the flexible DRX configuration switching can be realized, and the DRX configuration requirements of different service models are effectively met.
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 shown, where the method 400 may be applied to a terminal, and may be implemented by hardware and/or software installed in the terminal, for example. The method 400 may include the following steps, among others.
S410, at least two sets of DRX configurations are obtained.
As a possible implementation manner, the implementation process of S410 may include a specific DRX configuration in the at least two sets of DRX configurations, except for the implementation process described in reference to the method 200 and/or the method 300.
The value of the specific parameter in the specific DRX configuration may be a specific value, the specific parameter may include a DRX cycle and/or a duration of a DRX related timer, and the like, and the specific value may be 0. For example, the duration of the DRX cycle and/or DRX related timer is 0. In this case, if the specific DRX configuration is switched to or activated, the terminal does not need to monitor the corresponding PDCCH, which may reduce unnecessary PDCCH monitoring power consumption and achieve further terminal energy saving.
In one implementation, the specific DRX configuration may be any one of the at least two sets of DRX configurations, for example, 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 in the 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; in case that the specific DRX configuration is the second target DRX configuration, the handover condition is a handover condition of the second target DRX configuration; in case that the specific DRX configuration is the third target DRX configuration, the handover condition is a handover condition of the third target DRX configuration; the handover condition is a handover condition of the fourth target DRX configuration in case that the specific DRX configuration is the fourth target DRX configuration; and under the condition that the specific DRX configuration is another DRX configuration of the at least two sets of DRX configurations except for the first target DRX configuration, the second target DRX configuration, the third target DRX configuration, and the fourth target DRX configuration, the handover condition is a handover condition of the other DRX configurations, which is not limited herein.
S420, activating a first scheduling configuration in case of switching to a specific DRX configuration.
It is to be understood that another expression of "switching to a specific DRX configuration" may be that, if the target DRX configuration is the specific DRX configuration, switching from a currently operating DRX configuration to the specific DRX configuration may be performed.
The first scheduling configuration is associated with the specific DRX configuration, the first scheduling configuration includes at least one scheduling configuration, and the at least one scheduling configuration includes at least one of an SPS configuration and a configurable scheduling (CG) configuration.
In an embodiment, a specific implementation manner of activating the first scheduling configuration in the case of switching to the specific DRX configuration may be any one of the following (1) to (3).
(1) Activating the first scheduling configuration while switching to the specific DRX configuration.
For example, the first scheduling configuration may be activated while a handover condition for handover 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) Activating the first scheduling configuration after switching to the specific DRX configuration is completed.
(3) Activating the first scheduling configuration after a first time interval following switching to the particular DRX configuration. The first time interval may be configured or agreed by a network side device, for example, the first time interval may be 3ms, and the like, which is not limited herein.
In another embodiment, at least one set of SPS configurations and/or CG configurations are kept active during the use of the specific DRX configuration. In this embodiment, 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, in case of receiving a second DCI, switching to the specific DRX configuration and activating a second scheduling configuration; it can be understood that the second DCI may include related indication information of the second scheduling configuration, such as activation information of the second scheduling configuration.
Optionally, 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, the fourth target DRX configuration may also be the specific DRX configuration. For example, assuming that 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 indication information indicating that the second scheduling configuration is activated and indication information indicating that the terminal switches to the specific DRX configuration are configured in the first DCI, the terminal switches to the specific DRX configuration and activates the second scheduling information after receiving the first DCI.
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, according to the three embodiments, the terminal can still transmit data when being switched to the specific DRX configuration, so as to ensure the terminal performance and the network throughput, and meanwhile, the terminal can save energy by switching to the specific DRX configuration. For example, in downlink XR service, the network may ensure the transmission performance of XR service by configuring one or more SPS configurations that match the arrival period of the downlink XR service, and in this case, DRX configuration is not required to ensure the transmission performance of the service. Therefore, the terminal can not monitor the PDCCH by switching to the specific DRX configuration, and further the energy conservation of the terminal is realized.
It will be appreciated that the foregoing "these three embodiments" refer to activating the first scheduling configuration in case of switching to a specific DRX configuration; a second scheduling configuration and maintaining at least one set of SPS configurations and/or CG configurations in an active state during use of the particular DRX configuration; and switching to the specific DRX configuration and activating a second scheduling configuration when the second DCI is received.
Optionally, the first timer may be started or restarted in case of switching to the specific DRX configuration. Wherein, during the operation of the first timer, the monitoring of the PDCCH is performed using the specific DRX configuration.
Further, in this embodiment, any one of the at least two sets of DRX configurations may also be determined to be the default DRX configuration by means of network side device configuration or protocol convention, and the like. Further, in an alternative, the specific 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) And switching to the default DRX configuration when the data channel is not detected in X continuous first periods.
The X may be configured or agreed by a network side, the first period is at least one scheduling configuration period in the first scheduling configuration, and the data channel includes a Physical Downlink Shared Channel (PDSCH) or a PUSCH.
For example, if the network configuration X is 2 and the first scheduling configuration comprises one SPS configuration, then if no PDSCH transmission (e.g., PDSCH transmission) is received for 2 consecutive SPS periods, then switch to the default DRX configuration.
(2) And in the case that the data channel is not detected within the continuous Y second periods, switching to the default DRX configuration.
The Y may be configured or agreed by a network side, the second period is a period of at least one scheduling configuration of the second scheduling configuration, and the data channel includes a PDSCH or a PUSCH.
For example, the network configuration Y is 2, and the second scheduling configuration includes one SPS configuration. Then switch to the default DRX configuration if PDSCH transmissions (e.g., PDSCH transmissions) are not received for 2 consecutive SPS periods.
(3) And switching to a default DRX configuration under the condition that the first timer is overtime.
For example, if the network side configuration or protocol agreement or specific DCI dynamically indicates that the length of the first timer is 10ms, the first timer is switched to the default DRX configuration after expiration of the first timer.
Through the three different scenarios of switching to the default DRX configuration given in (1) - (3) above, it can be ensured that the terminal can switch out of the specific DRX configuration and return to the default DRX configuration, thereby ensuring the performance of scheduling PDSCH transmission by the terminal through the PDCCH.
It should be noted that, in the method for switching DRX configuration provided in the embodiment of the present application, the executing entity may be a device for switching DRX configuration, or a control module of the device for switching DRX configuration, which is used for executing the method for switching DRX configuration. In the following embodiments of the present application, a method for a DRX configuration switching apparatus to perform DRX configuration switching is taken as an example to describe the DRX configuration switching apparatus provided in the embodiments of the present application.
As shown in fig. 5a, a schematic block structure diagram of an apparatus 500 for switching DRX configuration 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 when a predetermined condition is met, where the target DRX configuration is any one of the at least two sets of DRX configurations.
In one possible implementation, the switching module 520 is configured to at least one of: under the condition that a first Physical Downlink Control Channel (PDCCH) is not received in M continuous DRX periods, switching to a first target DRX configuration; switching to a second target DRX configuration when the first PDCCH is received within N continuous DRX periods; switching to a third target DRX configuration if a first uplink channel or signal is transmitted, the first uplink channel or signal being associated with the third target DRX configuration; under the condition that the first downlink control information DCI is received, switching to a fourth target DRX configuration; and the DRX period is the period corresponding to the DRX configuration used before the target DRX configuration is switched to.
In another possible implementation manner, the handover time for handover to the first target DRX configuration includes any one of: the ending time of the last DRX period in the continuous M DRX periods; and ending time of DRX duration of the continuous M DRX periods.
In yet another possible implementation manner, the handover time to the second target DRX configuration includes any one of: a reception end time of the first PDCCH; the ending time of the last DRX period in the continuous N DRX periods; and ending time of DRX duration of the continuous N DRX periods.
In yet another possible implementation, the first PDCCH includes at least one of a PDCCH for scheduling data, a PDCCH for scheduling newly transmitted data, a PDCCH for non-scheduled 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 to the third target DRX configuration includes any one of: the transmission end time of the first uplink channel/signal; and the end time of a first time interval after the first uplink channel/signal is sent.
In yet another possible implementation manner, the switching time point for switching to the fourth target DRX configuration includes any one of: a reception end time of the first DCI; an end time of a 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 the switching to the target DRX configuration to the DRX related timer length corresponding to the target DRX configuration.
In yet another possible implementation manner, the at least two sets of DRX configurations include a specific DRX configuration; and the value of the designated parameter in the specific DRX configuration is a designated value, and the designated parameter comprises the DRX period and/or the duration of the DRX-related timer.
In yet another possible implementation manner, as shown in fig. 5b, the apparatus 500 further includes: a first activation module 530 for activating a first scheduling configuration in case of switching to the specific DRX configuration; wherein the first scheduling configuration is associated with the specific DRX configuration, the first scheduling configuration comprises at least one scheduling configuration, and the at least one scheduling configuration comprises at least one of a semi-persistent scheduling (SPS) configuration and a configurable scheduling (CG) configuration.
In yet another possible implementation manner, the first activation module 530 is configured to: 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; activating the first scheduling configuration after a first time interval following switching to the particular DRX configuration.
In yet another possible implementation, at least one set of SPS configurations and/or CG configurations are kept active during the use of the specific 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 in case of receiving a second DCI; wherein the second DCI includes related indication information of the second scheduling configuration.
In yet another possible implementation manner, the switching module 520 is further configured to switch to the 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 includes a Physical Downlink Shared Channel (PDSCH) or a Physical Uplink Shared Channel (PUSCH), and a network side configuration or a protocol stipulates that any one of the at least two sets of DRX configurations is the default DRX configuration.
In yet another possible implementation manner, the switching module 520 is further configured to switch to the default DRX configuration when no data channel is detected for Y consecutive second periods; wherein, the second cycle is a cycle of at least one scheduling configuration in the second scheduling configuration, the data channel includes a PDSCH or a PUSCH, and any one of the at least two sets of DRX configurations is configured or 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 start or restart the first timer in case of switching to the specific DRX configuration.
In yet another possible implementation manner, the switching module 520 is further configured to switch to the default DRX configuration when the first timer expires.
In the embodiment of the application, at least two sets of DRX configurations are obtained, and the target DRX configuration is switched to any one of the at least two sets of DRX configurations when the preset condition is met, so that the DRX configurations adapting to different service models can be provided under the condition that the parameter values in the DRX configurations are not changed through RRC reconfiguration messages, and unnecessary power consumption waste is effectively reduced.
The DRX configuration switching apparatus 500 in the embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal. The device can be a mobile terminal or a non-mobile terminal. By way of example, the mobile terminal may include, but is not limited to, the above-listed type of terminal 11, and the non-mobile terminal may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine, a kiosk, or the like, and the embodiments of the present application are not limited in particular.
The apparatus 500 for switching the DRX configuration in this embodiment may be an apparatus having an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, and embodiments of the present application are not limited specifically.
The DRX configuration switching apparatus 500 provided in this embodiment of the present application can implement each process implemented in the method embodiments of fig. 2 to fig. 4, and achieve the same technical effect, and is not described herein again to avoid repetition.
Fig. 6 is a schematic diagram of a hardware structure of a terminal for implementing the embodiment of the present application. The terminal 600 includes but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610, and the like.
Those skilled in the art will appreciate that the terminal 600 may further include a power supply (e.g., a battery) for supplying power to various components, and the power supply may be logically connected to the processor 610 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through 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 those shown, or combine some components, or have a different arrangement of components, and will not be described again here.
It should be understood that in the embodiment of the present application, the input Unit 604 may include a Graphics Processing Unit (GPU) 1041 and a microphone 6042, and the Graphics processor 6041 processes image data of a still picture or a 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. A touch panel 6071 also referred to as 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, and a joystick, which are not described in detail herein.
In the embodiment of the present application, the radio frequency unit 601 receives downlink data from a network side device and then processes the downlink data in the processor 610; in addition, the uplink data is sent to the network side equipment. In general, 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 as well as various data. The memory 609 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage 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. Further, 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 PROM (EPROM), an Electrically Erasable Programmable ROM (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.
Processor 610 may include one or more processing units; alternatively, the processor 610 may integrate an application processor, which primarily handles operating system, user interface, and applications or instructions, etc., and a modem processor, which primarily handles 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.
The processor 610 is configured to obtain at least two sets of DRX configurations; and 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 the embodiment of the application, at least two sets of DRX configurations are obtained, and the target DRX configuration is switched to any one of the at least two sets of DRX configurations when the preset condition is met, so that the DRX configurations adapting to different service models can be provided under the condition that the parameter value in the DRX configuration is not changed through RRC reconfiguration messages, and unnecessary power consumption waste is effectively reduced.
An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the method for switching DRX configuration, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Wherein, the processor is the 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 (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or an instruction, so as to implement each process of the method and embodiment for switching DRX configuration, and achieve the same technical effect, and in order to avoid repetition, the description is omitted here.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip, etc.
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 processes of the method embodiment for switching DRX configuration are implemented, and the same technical effect can be achieved, and in order to avoid repetition, details are not repeated 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 an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (36)

1. A method of Discontinuous Reception (DRX) configuration switching, performed by a terminal, the method comprising:
acquiring at least two sets of DRX configurations;
and 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.
2. The method of claim 1, wherein switching to a target DRX configuration if a predetermined condition is met comprises at least one of:
under the condition that a first Physical Downlink Control Channel (PDCCH) is not received in M continuous DRX periods, switching to a first target DRX configuration;
switching to a second target DRX configuration when the first PDCCH is received within N continuous DRX periods;
switching to a third target DRX configuration in the case of transmitting a first uplink channel or signal, the first uplink channel or signal being associated with the third target DRX configuration;
and switching to a fourth target DRX configuration in the case of receiving the first downlink control information DCI.
3. The method of claim 2, wherein the switching time to the first target DRX configuration comprises any of:
the ending time of the last DRX period in the continuous M DRX periods;
and ending time of DRX duration of the continuous M DRX periods.
4. The method of claim 2, wherein the handover instant to the second target DRX configuration comprises any one of:
a reception end time of the first PDCCH;
the ending time of the last DRX period in the continuous N DRX periods;
and ending time of DRX duration of the continuous N DRX periods.
5. The method of claim 2, wherein the first PDCCH comprises at least one of a PDCCH scheduling data, a PDCCH scheduling newly transmitted data, a PDCCH non-scheduling data, a PDCCH carrying DCI scrambled by a cell radio network temporary identity, C-RNTI, a PDCCH carried in a type 3 common search space, CSS, and a PDCCH carried in a terminal-specific search space, USS.
6. The method of claim 2, wherein the switching time to the third target DRX configuration comprises any one of:
the transmission end time of the first uplink channel/signal;
and the end time of a first time interval after the first uplink channel/signal is sent.
7. The method of claim 2, wherein the switching point in time to switch to a fourth target DRX configuration comprises any one of:
a reception end time of the first DCI;
an end time of a second time interval after the first DCI is received.
8. The method of claim 1, wherein the method further comprises:
and resetting the DRX related timer length used before the target DRX configuration is switched to the DRX related timer length corresponding to the target DRX configuration.
9. The method of any of claims 1-8, wherein the at least two sets of DRX configurations include a particular DRX configuration; and the value of the designated parameter in the specific DRX configuration is a designated value, and the designated parameter comprises the DRX period and/or the duration of the DRX-related timer.
10. The method of claim 9, wherein in case 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 specific DRX configuration, the first scheduling configuration comprises at least one scheduling configuration, and the at least one scheduling configuration comprises at least one of a semi-persistent scheduling (SPS) configuration and a configurable scheduling (CG) configuration.
11. The method of claim 10, wherein activating a first scheduling configuration in case of switching to the specific DRX configuration comprises 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;
activating the first scheduling configuration after a first time interval after switching to the specific DRX configuration.
12. The method of claim 9, wherein at least one set of SPS configurations and/or CG configurations are kept in an active state during use of the particular DRX configuration.
13. The method of claim 9, 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 related indication information of the second scheduling configuration.
14. The method of claim 10, wherein the method further comprises:
switching to a default DRX configuration if no data channel is detected for X consecutive first periods;
the first cycle is a cycle of at least one scheduling configuration in the first scheduling configuration, the data channel includes a physical downlink shared channel PDSCH or a physical uplink shared channel PUSCH, and a network side configuration or a protocol stipulates that any one of the at least two sets of DRX configurations is the default DRX configuration.
15. The method of claim 13, wherein the method further comprises:
switching to a default DRX configuration when no data channel is detected in Y consecutive second periods;
wherein, the second cycle is a cycle of at least one scheduling configuration in the second scheduling configuration, the data channel includes a PDSCH or a PUSCH, and any one of the at least two sets of DRX configurations is configured or agreed by a network side configuration or a protocol to be the default DRX configuration.
16. The method of claim 9, wherein the method further comprises:
starting or restarting a first timer in case of switching to the specific DRX configuration.
17. The method of claim 16, wherein the method further comprises:
and switching to a default DRX configuration under the condition that the first timer is overtime.
18. An apparatus for Discontinuous Reception (DRX) configuration switching, the apparatus comprising:
the acquisition module is used for acquiring at least two sets of DRX configurations;
and the switching module is used for switching to a target DRX configuration under the condition of meeting a preset condition, wherein the target DRX configuration is any one of the at least two sets of DRX configurations.
19. The apparatus of claim 18, wherein the switching module is to at least one of:
under the condition that a first Physical Downlink Control Channel (PDCCH) is not received in M continuous DRX periods, switching to a first target DRX configuration;
switching to a second target DRX configuration when the first PDCCH is received within N continuous DRX periods;
switching to a third target DRX configuration if 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 in the case that the first downlink control information DCI is received.
20. The apparatus of claim 19, wherein the switching time to the first target DRX configuration comprises any of:
the ending time of the last DRX period in the continuous M DRX periods;
and ending time of DRX duration of the continuous M DRX periods.
21. The apparatus of claim 19, wherein the switching time to the second target DRX configuration comprises any of:
a reception end time of the first PDCCH;
the ending time of the last DRX period in the continuous N DRX periods;
and ending time of DRX duration of the continuous N DRX periods.
22. The apparatus of claim 19, wherein the first PDCCH comprises at least one of a PDCCH scheduling data, a PDCCH scheduling new transmission data, a PDCCH non-scheduling data, a PDCCH carrying DCI scrambled by a cell radio network temporary identity, C-RNTI, a PDCCH carried in a type 3 common search space, CSS, and a PDCCH carried in a terminal-specific search space, USS.
23. The apparatus of claim 19, wherein the switching instant to the third target DRX configuration comprises any one of:
the transmission end time of the first uplink channel/signal;
and the end time of a first time interval after the first uplink channel/signal is sent.
24. The apparatus of claim 19, wherein the switch point in time to switch to a fourth target DRX configuration comprises any one of:
a reception end time of the first DCI;
an end time of a second time interval after the first DCI is received.
25. The apparatus of claim 18, wherein the handover module is further for resetting the DRX related timer length used prior to the handover to the target DRX configuration to the DRX related timer length corresponding to the target DRX configuration.
26. The apparatus according to any of claims 18-25, wherein the at least two sets of DRX configurations comprise a specific DRX configuration; and the value of the designated parameter in the specific DRX configuration is a designated value, and the designated parameter comprises the DRX period and/or the duration of the DRX-related timer.
27. The apparatus of claim 26, wherein in a case that the target DRX configuration is the specific DRX configuration, the apparatus further comprises:
a first activation module for activating a first scheduling configuration in case of switching to the specific DRX configuration; wherein the first scheduling configuration is associated with the specific DRX configuration, the first scheduling configuration comprises at least one scheduling configuration, and the at least one scheduling configuration comprises at least one of a semi-persistent scheduling (SPS) configuration and a configurable scheduling (CG) configuration.
28. The apparatus of claim 27, wherein the first activation module is 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;
activating the first scheduling configuration after a first time interval following switching to the particular DRX configuration.
29. The apparatus of claim 26, wherein at least one set of SPS configurations and/or CG configurations are kept in an active state during use of the particular DRX configuration.
30. The apparatus of claim 26, 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 related indication information of the second scheduling configuration.
31. The apparatus of claim 27, 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 cycle is a cycle of at least one scheduling configuration in the first scheduling configuration, the data channel includes a physical downlink shared channel PDSCH or a physical uplink shared channel PUSCH, and a network side configuration or a protocol stipulates that any one of the at least two sets of DRX configurations is the default DRX configuration.
32. The apparatus of claim 30, wherein the switching module is further for switching to a default DRX configuration if no data channel is detected for Y consecutive second periods;
wherein, the second cycle is a cycle of at least one scheduling configuration in the second scheduling configuration, the data channel includes PDSCH or PUSCH, and any one of the at least two sets of DRX configurations is configured or agreed by a network side as the default DRX configuration.
33. The apparatus of claim 26, wherein the switching module is further for starting or restarting a first timer if switching to the particular DRX configuration.
34. The apparatus of claim 33, wherein the switching module is further for switching to a default DRX configuration if the first timer times out.
35. A terminal 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 of DRX configuration switching according to any one of claims 1 to 17.
36. A readable storage medium, on which a program or instructions are stored, which when executed by a processor, implement the steps of the method of DRX configuration switching according to any one of claims 1 to 17.
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