WO2020142905A1 - Procédé et appareil de commutation de partie de largeur de bande - Google Patents

Procédé et appareil de commutation de partie de largeur de bande Download PDF

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Publication number
WO2020142905A1
WO2020142905A1 PCT/CN2019/070874 CN2019070874W WO2020142905A1 WO 2020142905 A1 WO2020142905 A1 WO 2020142905A1 CN 2019070874 W CN2019070874 W CN 2019070874W WO 2020142905 A1 WO2020142905 A1 WO 2020142905A1
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WO
WIPO (PCT)
Prior art keywords
bwp
duration
value
switching
switch
Prior art date
Application number
PCT/CN2019/070874
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English (en)
Chinese (zh)
Inventor
李艳华
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN201980000052.XA priority Critical patent/CN109804662B/zh
Priority to PCT/CN2019/070874 priority patent/WO2020142905A1/fr
Publication of WO2020142905A1 publication Critical patent/WO2020142905A1/fr

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    • 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
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/20—Negotiating bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communication technology, and in particular, to a method and device for partial bandwidth switching.
  • a 5G (5th generation mobile communication system) system divides a carrier into multiple bandwidth parts (BWP), that is, a cell can have multiple BWPs, and resource scheduling with a smaller granularity can be achieved.
  • BWPs bandwidth parts
  • Different BWPs in the cell can serve user equipment (UE) in different states. Whether the UE switches from one BWP to another BWP, or under what scenario the UE can switch BWP, there is currently no effective solution.
  • UE user equipment
  • Embodiments of the present invention provide a method and device for partial bandwidth switching.
  • the technical solution is as follows:
  • a method for partially switching bandwidth including:
  • the technical solution provided by the embodiment of the present invention may include the following beneficial effects:
  • indication information and an indication command about BWP switching are added, and the indication information and the indication command may be used to notify the user equipment whether to perform BWP switching.
  • the trigger condition includes at least one of the following:
  • This embodiment provides multiple trigger conditions. When the above trigger conditions are met, it means that the UE changes to the inactive direction. In this case, this embodiment can send Instruct the command to control whether to switch BWP.
  • the indication information includes: an indication bit;
  • the indicator bit When the value of the indicator bit is the first value, it indicates that it resides in the current BWP;
  • the indicator bit When the value of the indicator bit is the second value, it indicates that the BWP is switched.
  • an indication bit is used to indicate whether BWP switching is performed, and clear indication information is provided.
  • the indication information further includes: duration;
  • the duration is the first duration, which is used to indicate that the current BWP resides within the first duration
  • the duration is the second duration, which is used to instruct BWP switching when the second duration is not less than a preset duration threshold.
  • the technical solution provided by the embodiment of the present invention may include the following beneficial effects:
  • the duration of not performing BWP switching is controlled by duration, or the duration of BWP switching is further controlled by duration.
  • the indication information further includes: identification information of the target BWP after the handover.
  • the flexible configuration of the target BWP may be achieved through the identification information of the target BWP after the UE is switched.
  • a method for partially switching bandwidth is provided, which is applied to a user equipment side and includes:
  • the indication information includes: an indication bit;
  • the determining whether to switch the BWP according to the instruction information includes:
  • the indication information when the value of the indication bit is the first value, includes: a first duration;
  • the determining whether to switch the BWP according to the instruction information includes:
  • the indicator information when the value of the indicator bit is a second value, includes: a second duration;
  • the determining whether to switch the BWP according to the instruction information includes:
  • the second duration When the second duration is less than a preset duration threshold, it resides in the current BWP.
  • the preset duration threshold includes one of the following:
  • the pre-configured duration threshold the duration required for one BWP switch, the duration required for a second BWP switch, the sum of the duration required for a BWP switch and a preset reference duration.
  • the indication information is a default indication bit, a first duration and a second duration, which instructs to switch BWP;
  • the determining whether to switch the BWP according to the instruction information includes:
  • the switching of BWP includes one of the following:
  • the next-level BWP includes a default BWP, an initial BWP, or a fixed configuration target BWP.
  • the method further includes:
  • an apparatus for partial bandwidth switching which is applied to a base station side and includes:
  • the generating module is used to generate indication information about BWP switching of the bandwidth part when the preset trigger condition is met;
  • the sending module is configured to send an instruction command about BWP switching to the user equipment, where the instruction command carries the instruction information.
  • the trigger condition includes at least one of the following:
  • the indication information includes: an indication bit;
  • the indicator bit When the value of the indicator bit is the first value, it indicates that it resides in the current BWP;
  • the indicator bit When the value of the indicator bit is the second value, it indicates that the BWP is switched.
  • the indication information further includes: duration;
  • the duration is the first duration, which is used to indicate that the current BWP resides within the first duration
  • the duration is the second duration, which is used to instruct BWP switching when the second duration is not less than a preset duration threshold.
  • the indication information further includes: identification information of the target BWP after the handover.
  • an apparatus for partial bandwidth switching which is applied to a user equipment side and includes:
  • a receiving module configured to receive an instruction command about BWP switching sent by the base station, where the instruction command carries the instruction information
  • the determining module is configured to determine whether to switch the BWP according to the instruction information.
  • the indication information includes: an indication bit;
  • the determination module includes:
  • the resident submodule is configured to reside in the current BWP when the value of the indication bit is the first value.
  • the indication information when the value of the indication bit is the first value, includes: a first duration;
  • the determination module includes:
  • the resident sub-module is used to reside in the current BWP within the first duration.
  • the indicator information when the value of the indicator bit is a second value, includes: a second duration;
  • the determination module includes:
  • a judgment sub-module used to judge whether the second duration is not less than a preset duration threshold
  • the resident sub-module is configured to reside in the current BWP when the second duration is less than a preset duration threshold.
  • the preset duration threshold includes one of the following:
  • the pre-configured duration threshold the duration required for one BWP switch, the duration required for a second BWP switch, the sum of the duration required for a BWP switch and a preset reference duration.
  • the switching sub-module performs one of the following:
  • the next-level BWP includes a default BWP, an initial BWP, or a fixed configuration target BWP.
  • the device further includes:
  • the blocking module is used to block the switching of the BWP triggered by the timeout of the BWP inactive timer when the BWP inactive timer expires.
  • an apparatus for partially switching bandwidth including:
  • Memory for storing processor executable instructions
  • the processor is configured to:
  • an apparatus for partially switching bandwidth including:
  • Memory for storing processor executable instructions
  • the processor is configured to:
  • a computer-readable storage medium on which computer instructions are stored, and when the instructions are executed by a processor, the method on the base station side is implemented.
  • a computer-readable storage medium on which computer instructions are stored, and when the instructions are executed by a processor, the method on the user equipment side is implemented.
  • Fig. 1 is a flow chart showing a method for partially switching a bandwidth according to an exemplary embodiment.
  • Fig. 2 is a flow chart showing a method for partially switching a bandwidth according to an exemplary embodiment.
  • Fig. 3 is a flowchart of a method for partially switching a bandwidth according to an exemplary embodiment.
  • Fig. 4 is a flow chart showing a method for partially switching a bandwidth according to an exemplary embodiment.
  • Fig. 5 is a flow chart showing a method for partially switching a bandwidth according to an exemplary embodiment.
  • Fig. 6 is a block diagram of a device for partially switching a bandwidth according to an exemplary embodiment.
  • Fig. 7 is a block diagram of a device for partially switching a bandwidth according to an exemplary embodiment.
  • Fig. 8 is a block diagram of a determination module according to an exemplary embodiment.
  • Fig. 9 is a block diagram of a determination module according to an exemplary embodiment.
  • Fig. 10 is a block diagram of a device for partially switching a bandwidth according to an exemplary embodiment.
  • Fig. 11 is a block diagram of a device suitable for partial bandwidth switching according to an exemplary embodiment.
  • Fig. 12 is a block diagram of a device suitable for partial bandwidth switching according to an exemplary embodiment.
  • a 5G (5th generation mobile communication system) system divides a carrier into multiple bandwidth parts (BWP), that is, a cell can have multiple BWPs, and resource scheduling with a smaller granularity can be achieved.
  • BWPs bandwidth parts
  • Different BWPs in the cell can serve user equipment (UE) in different states. Whether the UE switches from one BWP to another BWP, or under what scenario the UE can switch BWP, there is currently no effective solution.
  • UE user equipment
  • this embodiment provides indication information and instruction commands regarding BWP handover, so that the base station flexibly instructs the UE whether to perform BWP handover.
  • Fig. 1 is a flowchart of a method for partially switching bandwidth according to an exemplary embodiment.
  • the method for partially switching bandwidth is used in an access network device such as a base station. As shown in FIG. 1, the method includes the following steps 101-102.
  • step 101 when preset trigger conditions are met, indication information about bandwidth part (BWP) switching is generated.
  • BWP bandwidth part
  • step 102 an instruction command regarding BWP handover is sent to the user equipment, the instruction command carrying the instruction information.
  • the trigger conditions in this embodiment affect the active state of the UE, and the trigger conditions that cause the UE to transition to the inactive direction are all applicable to this embodiment.
  • the UE may be instructed to perform BWP handover, that is, to the BWP handover to the UE carrying the low active state.
  • the active state can be divided into an active state, an inactive state, and an idle state.
  • the corresponding active state is from high to low.
  • the active state can be divided according to the interactive traffic and frequency, the greater the traffic, the higher the frequency , The higher the corresponding active state, the lower the corresponding active state.
  • UEs in different active states may be carried by different BWPs to better serve the UE.
  • the UE may be instructed whether to perform BWP handover according to the change of the active state of the UE. Realize flexible configuration of BWP switching.
  • the trigger condition includes at least one of the following:
  • GTS Generate go to sleep
  • the UE when the UE enters the DRX off period from the DRX (discontinuous reception) on period, it will change from the current active state to the relatively inactive state.
  • the base station knows in advance the time domain distribution during the DRX on and DRX off periods, so it can consider whether the UE needs to perform BWP handover when configuring DRX, and notify the UE through the instruction command.
  • the base station may send a GTS signal to the UE according to the service situation of the UE, and the GTS signal will instruct the UE to enter the sleep state, that is, instruct the UE to change to the inactive direction.
  • the base station may consider whether the UE needs to perform BWP handover and notify the UE through the instruction command.
  • the base station may send the trigger condition to the UE through dedicated signaling (such as RRC (Radio Resource Control) signaling).
  • RRC Radio Resource Control
  • the indication information includes at least one of the following: an indication bit, a first duration, and a second duration;
  • the indicator bit When the value of the indicator bit is the second value, it indicates that the BWP is switched; when the value of the indicator bit is the first value, it indicates that it resides in the current BWP;
  • the first duration is used to indicate that the current BWP resides in the first duration
  • the second duration is used to indicate that BWP switching is performed when the second duration is not less than a preset duration threshold.
  • the instruction command may only carry an instruction bit, which may occupy 1 bit, for example, the second value is 1 and the first value is 0; or, the second value is 0 and the first value is 1.
  • the UE immediately switches the BWP after receiving the indication command.
  • the UE resides in the current BWP after receiving the indication command, and does not switch the BWP until the indication command is received again.
  • the base station may instruct the UE to switch immediately or not through the indication bit. Provides a more direct instruction command.
  • the instruction command may only carry the first duration.
  • the UE After receiving the instruction command, the UE resides in the current BWP within the first time duration, and does not switch the BWP. After the first time period is exceeded, it is determined whether to switch the BWP according to the existing strategy.
  • the base station may instruct the UE not to perform BWP switching within a certain period of time by using the first duration, which provides an effective duration for not performing BWP switching, and also provides a feasible solution for supporting not performing BWP switching.
  • the instruction command may only carry the second duration.
  • the UE determines whether the second duration is not less than the preset duration threshold, and performs BWP switching when it is not less than the preset duration threshold, otherwise it resides in the current BWP.
  • the duration threshold is a known constant. By configuring the second duration, the base station can control whether the UE performs BWP handover.
  • the indication information in this embodiment also includes: duration;
  • the duration is the first duration, which is used to indicate that the current BWP resides within the first duration
  • the duration is the second duration, which is used to instruct BWP switching when the second duration is not less than a preset duration threshold.
  • the indication bit may be combined with the first duration and the second duration.
  • the duration included in the indication information is the second duration.
  • the indication bit being the second value indicates that the UE is allowed to perform BWP handover, and secondly, the UE determines whether to finally perform BWP handover according to the judgment of the second duration and the duration threshold.
  • the duration included in the indication information is the first duration.
  • the indication bit being the first value indicates that the UE is not allowed to perform BWP handover, and the effective time period during which the UE is not allowed to perform BWP handover is limited by the first time period.
  • the value of the indicator bit is the first value, indicating that the UE resides in the current BWP, and may also carry a first duration, indicating that the UE resides in the current BWP within the first duration.
  • BWP switching may not be performed during the DRX off period.
  • BWP off because the UE is in an inactive state at this time, it is unnecessary to perform BWP handover, which can reduce redundant BWP handover processing.
  • the instruction command includes a GTS signal.
  • the GTS signal may be used as an instruction command, that is, the UE determines whether to perform BWP switching according to the instruction of the GTS signal.
  • the GTS signal indicates that the UE enters the sleep state, that is, transitions to the inactive direction, and the UE may consider switching the BWP.
  • the second duration is the sleep duration.
  • the sleep duration carried by the GTS signal can be used as the second duration.
  • the sleep duration is not less than the preset duration threshold, the UE may switch BWP. Conversely, BWP switching is not performed, which reduces the resource consumption of the UE by redundant BWP switching.
  • the first duration is the sleep duration.
  • the sleep duration carried by the GTS signal may be used as the first duration. Because the UE is in an inactive state at this time, it is unnecessary to perform BWP handover, which can reduce redundant BWP handover processing.
  • the indication information further includes: identification information of the target BWP after the handover.
  • the indication information may further include identification information of the target BWP, and the base station may notify the UE to which target BWP to switch to through the indication command, so as to achieve flexible configuration of the target BWP.
  • the implementation process on the base station side has been described above, and accordingly, the UE side has also been improved.
  • the implementation process on the UE side is described below.
  • Fig. 2 is a flow chart of a method for partially switching bandwidth according to an exemplary embodiment.
  • the method for partially switching bandwidth is used for user equipment, where the user equipment may be a mobile phone, a computer, a digital broadcasting terminal, and message sending and receiving Devices, game consoles, tablet devices, medical devices, fitness equipment, personal digital assistants, etc. As shown in FIG. 2, the method includes the following steps 201-202.
  • step 201 receiving an instruction command about BWP handover sent by a base station, the instruction command carrying the instruction information.
  • step 202 it is determined whether to switch the BWP according to the instruction information.
  • This embodiment adds instruction information and instruction commands for instructing whether to switch the BWP.
  • the UE may receive and execute the instruction command, and under the instruction of the instruction command, switch the BWP or reside in the current BWP. Realized the flexible configuration of BWP.
  • the indication information includes: an indication bit.
  • the step 202 includes: steps A1 to A2.
  • step A1 when the value of the indication bit is the second value, the BWP is switched.
  • step A2 when the value of the indicator bit is the first value, it resides in the current BWP.
  • the UE can immediately switch the BWP according to the indication of the indication bit, or reside in the current BWP to realize the immediate switching of the BWP, and also support the BWP to remain unchanged.
  • the indication information when the value of the indication bit is the first value, includes: a first duration.
  • the step 202 includes: step B.
  • step B within the first duration, it resides in the current BWP.
  • the UE resides in the current BWP within the effective duration, keeps the BWP unchanged, and reduces frequent and redundant BWP switching.
  • the indication information when the value of the indication bit is a second value, includes: a second duration.
  • the step 202 includes: steps C1 to C3.
  • step C1 it is determined whether the second duration is not less than a preset duration threshold.
  • step C2 when the second duration is not less than a preset duration threshold, the BWP is switched.
  • step C3 when the second duration is less than a preset duration threshold, it resides in the current BWP.
  • a time threshold is configured in advance, and the time threshold is a known constant.
  • the UE compares the received second duration with the duration threshold, and if it is not less than the preset duration threshold, it switches the BWP, otherwise it resides in the current BWP.
  • the base station can control whether the UE performs BWP handover by configuring the length of the second duration.
  • the preset duration threshold includes one of the following:
  • the pre-configured duration threshold the duration required for one BWP switch, the duration required for a second BWP switch, the sum of the duration required for a BWP switch and a preset reference duration.
  • the duration threshold can be configured with reference to various factors.
  • the duration threshold can be configured with reference to the duration required for a BWP switch to ensure that a BWP switch can be completed within the second duration, otherwise the BWP switch is not performed, reducing redundancy. I switched to BWP.
  • the duration threshold is configured with reference to the duration required for the second BWP handover to ensure that the UE can switch to the target BWP and back to the current BWP, giving the BWP sufficient time to switch, otherwise the BWP switch is not performed, reducing redundant BWP switching.
  • the duration threshold is configured by referring to the sum of the duration required for a BWP switch and the preset reference duration to ensure that the BWP switch can be completed at least once within the second duration, otherwise the BWP switch is not performed, and redundant BWP is reduced Switch.
  • the instruction command includes a GTS signal.
  • the GTS signal may be used as an instruction command, that is, the UE determines whether to perform BWP switching according to the instruction of the GTS signal.
  • the GTS signal indicates that the UE enters the sleep state, that is, transitions to the inactive direction, and the UE may consider switching the BWP.
  • the second duration is the sleep duration.
  • the sleep duration carried by the GTS signal can be used as the second duration.
  • the sleep duration means the duration in which the UE is in an inactive state. When the sleep duration ends, the UE will change to an active state. If the sleep duration is short and less than the duration threshold, BWP switching may not be performed, reducing the device and network resources consumed by frequent BWP switching. If the sleep duration is long and not less than the duration threshold, BWP can be switched.
  • the first duration is the sleep duration.
  • the sleep duration carried by the GTS signal may be used as the first duration. Because the UE is in an inactive state at this time, it is unnecessary to perform BWP handover, which can reduce redundant BWP handover processing.
  • the step A1 and the step C2 include one of steps E1 to E3.
  • step E1 switch to the next-level BWP corresponding to the current BWP; wherein, the active level of the lower-level BWP is lower than that of the current BWP.
  • the base station when determining that the UE changes to the inactive direction, sends an instruction command to the UE to instruct the UE to switch the BWP.
  • the UE switches to the BWP of the next level according to the instruction of the instruction command.
  • the active level of the UE of the next level BWP service is lower than that of the current UE of the BWP service.
  • the UE can be configured with multiple levels of BWP in advance, and the UE can switch to the next level of BWP by itself.
  • step E2 switch to the target BWP indicated by the system information received in advance.
  • the base station may send the target BWP to the UE through system information in advance.
  • the UE switches to the target BWP according to the instruction of the instruction command, and the target BWP is not limited to the next-level BWP. It is convenient for the base station to flexibly configure the target BWP.
  • step E3 switch to the target BWP indicated by the instruction information.
  • the base station may send the target BWP to the UE with the instruction command.
  • the target BWP is not limited to the next-level BWP, which makes the configuration of the target BWP more flexible.
  • the next-level BWP includes a default BWP, an initial BWP, or a fixed configuration target BWP.
  • each cell has an initial BWP, and it will camp on the initial BWP when initially accessing the cell.
  • the initial BWP is regarded as the BWP with a lower active level.
  • Each cell is configured with a default BWP, and the default BWP may be the initial BWP or other BWP.
  • the default BWP is used as the BWP with a lower active level.
  • a target BWP may be fixedly configured as a BWP with a lower active level.
  • the method further includes: step F.
  • step F when the BWP inactivity timer expires, the switching of the BWP triggered by the timeout of the BWP inactivity timer is blocked.
  • the BWP inactivity timer (BWP inactivity timer) will trigger the switch of BWP when it times out.
  • the BWP inactivity timer will restart.
  • the instruction information and the instruction command are used to control whether the UE performs BWP handover. If the BWP handover is not performed, the UE may not be controlled by the BWP inactivity timer, and the BWP handover triggered by the timeout of the BWP inactivity timer is blocked.
  • the UE does not perform BWP handover and a first duration is given, it means that the BWP handover triggered by the timeout of the BWP inactivity timer is blocked within the first duration.
  • Fig. 3 is a flow chart of a method for partially switching bandwidth according to an exemplary embodiment.
  • the method for partially switching bandwidth is used for user equipment, where the user equipment may be a mobile phone, a computer, a digital broadcasting terminal, and message sending and receiving Devices, game consoles, tablet devices, medical devices, fitness equipment, personal digital assistants, etc. As shown in Fig. 3, the method includes the following steps 301-305.
  • step 301 an instruction command about BWP handover sent by a base station is received, where the instruction command carries the instruction information.
  • the indication information includes indication bits and duration.
  • step 302 when the value of the indicator bit is the first value, it resides in the current BWP within the duration. This duration is the first duration.
  • step 303 when the value of the indication bit is the second value, it is determined whether the duration is not less than a preset duration threshold. This duration is the second duration. When the second duration is not less than the preset duration threshold, continue to step 304; when the second duration is less than the preset duration threshold, continue to step 305.
  • step 304 the BWP is switched to the next BWP corresponding to the current BWP.
  • step 305 it resides in the current BWP.
  • Fig. 4 is a flow chart of a method for partially switching bandwidth according to an exemplary embodiment.
  • the method for partially switching bandwidth is used for user equipment, where the user equipment may be a mobile phone, a computer, a digital broadcasting terminal, and message sending and receiving Devices, game consoles, tablet devices, medical devices, fitness equipment, personal digital assistants, etc. As shown in FIG. 4, the method includes the following steps 401-405.
  • step 401 an instruction command about BWP handover sent by a base station is received, where the instruction command carries the instruction information.
  • the indication information includes indication bits, duration and target BWP.
  • step 402 when the value of the indicator bit is the first value, it resides in the current BWP within the duration. This duration is the first duration.
  • step 403 when the value of the indication bit is the second value, it is determined whether the duration is not less than a preset duration threshold. This duration is the second duration. When the second duration is not less than the preset duration threshold, continue to step 404; when the second duration is less than the preset duration threshold, continue to step 405.
  • step 404 BWP is switched to the target BWP.
  • step 405 reside in the current BWP.
  • Fig. 5 is a flow chart showing a method for partially switching a bandwidth according to an exemplary embodiment. As shown in FIG. 5, the method includes the following steps 501-504.
  • step 501 when the preset trigger condition is met, the base station generates indication information about bandwidth part (BWP) handover.
  • BWP bandwidth part
  • step 502 the base station sends an instruction command regarding BWP handover to the user equipment, where the instruction command carries the instruction information.
  • step 503 the user equipment receives an instruction command about BWP handover sent by the base station, where the instruction command carries the instruction information.
  • step 504 the user equipment determines whether to switch the BWP according to the instruction information.
  • the following is an embodiment of the device of the present invention, which can be used to implement the method of the present invention.
  • Fig. 6 is a block diagram of a device for partially switching bandwidth according to an exemplary embodiment.
  • the device may be implemented as part or all of an electronic device through software, hardware, or a combination of the two.
  • the device for partially switching the bandwidth includes a generating module 601 and a sending module 602; where:
  • the generating module 601 is configured to generate indication information about BWP switching of the bandwidth part when a preset trigger condition is satisfied.
  • the sending module 602 is configured to send an instruction command about BWP switching to the user equipment, where the instruction command carries the instruction information.
  • the trigger condition includes at least one of the following:
  • the indication information includes: an indication bit;
  • the indicator bit When the value of the indicator bit is the first value, it indicates that it resides in the current BWP;
  • the indicator bit When the value of the indicator bit is the second value, it indicates that the BWP is switched.
  • the indication information further includes: duration;
  • the duration is the first duration, which is used to indicate that the current BWP resides within the first duration
  • the duration is the second duration, which is used to instruct BWP switching when the second duration is not less than a preset duration threshold.
  • the indication information further includes: identification information of the target BWP after the handover.
  • Fig. 7 is a block diagram of an apparatus for partially switching bandwidth according to an exemplary embodiment.
  • the apparatus may be implemented as part or all of an electronic device through software, hardware, or a combination of the two.
  • the apparatus for partially switching the bandwidth includes a receiving module 701 and a determining module 702; where:
  • the receiving module 701 is configured to receive an instruction command about BWP handover sent by the base station, where the instruction command carries the instruction information.
  • the determining module 702 is configured to determine whether to switch the BWP according to the instruction information.
  • the indication information includes: an indication bit;
  • the determination module 702 includes: a switching sub-module 801 and a resident sub-module 802.
  • the switching sub-module 801 is configured to switch the BWP when the value of the indication bit is the second value
  • the resident sub-module 802 is configured to reside in the current BWP when the value of the indicator bit is the first value.
  • the indication information when the value of the indication bit is the first value, includes: a first duration;
  • the determination module 702 includes:
  • the resident sub-module 802 is configured to reside in the current BWP within the first duration.
  • the indicator information when the value of the indicator bit is a second value, includes: a second duration;
  • the determination module 702 includes:
  • the judgment sub-module 901 is used to judge whether the second duration is not less than a preset duration threshold
  • the switching sub-module 801 is configured to switch BWP when the second duration is not less than a preset duration threshold
  • the resident sub-module 802 is configured to reside in the current BWP when the second duration is less than a preset duration threshold.
  • the preset duration threshold includes one of the following:
  • the pre-configured duration threshold the duration required for one BWP switch, the duration required for a second BWP switch, the sum of the duration required for a BWP switch and a preset reference duration.
  • the switching sub-module 801 performs one of the following:
  • the next-level BWP includes a default BWP, an initial BWP, or a fixed configuration target BWP.
  • the device further includes: a shielding module 1001.
  • the shielding module 1001 is configured to shield the BWP switching triggered by the timeout of the BWP inactivity timer when the BWP inactivity timer times out.
  • Fig. 11 is a block diagram of an apparatus for partial bandwidth switching according to an exemplary embodiment.
  • the device 1100 may be a mobile phone, a computer, a digital broadcasting terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and so on.
  • the device 1100 may include one or more of the following components: a processing component 1102, a memory 1104, a power component 1106, a multimedia component 1108, an audio component 1110, an input/output (I/O) interface 1111, a sensor component 1114, and a communication component 1116 .
  • the processing component 1102 generally controls the overall operations of the device 1100, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • the processing element 1102 may include one or more processors 1120 to execute instructions to complete all or part of the steps in the above method.
  • the processing component 1102 may include one or more modules to facilitate interaction between the processing component 1102 and other components.
  • the processing component 1102 may include a multimedia module to facilitate interaction between the multimedia component 1108 and the processing component 1102.
  • the memory 1104 is configured to store various types of data to support operation at the device 1100. Examples of these data include instructions for any application or method operating on the device 1100, contact data, phone book data, messages, pictures, videos, and so on.
  • the memory 1104 may be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable and removable Programmable read only memory (EPROM), programmable read only memory (PROM), read only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable and removable Programmable read only memory
  • PROM programmable read only memory
  • ROM read only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power supply component 1106 provides power to various components of the device 1100.
  • the power supply component 1106 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 1100.
  • the multimedia component 1108 includes a screen between the device 1100 and the user that provides an output interface.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundary of the touch or sliding action, but also detect the duration and pressure related to the touch or sliding operation.
  • the multimedia component 1108 includes a front camera and/or a rear camera. When the device 1100 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 1110 is configured to output and/or input audio signals.
  • the audio component 1110 includes a microphone (MIC), and when the device 1100 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode, the microphone is configured to receive an external audio signal.
  • the received audio signal may be further stored in the memory 1104 or sent via the communication component 1116.
  • the audio component 1110 further includes a speaker for outputting audio signals.
  • the I/O interface 1111 provides an interface between the processing component 1102 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, or a button. These buttons may include, but are not limited to: home button, volume button, start button, and lock button.
  • the sensor assembly 1114 includes one or more sensors for providing the device 1100 with status assessments in various aspects.
  • the sensor component 1114 can detect the on/off state of the device 1100, and the relative positioning of the components, for example, the component is the display and keypad of the device 1100, and the sensor component 1114 can also detect the position change of the device 1100 or one component of the device 1100 The presence or absence of user contact with the device 1100, the orientation or acceleration/deceleration of the device 1100, and the temperature change of the device 1100.
  • the sensor assembly 1114 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • the sensor assembly 1114 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 1114 may further include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 1116 is configured to facilitate wired or wireless communication between the device 1100 and other devices.
  • the device 1100 may access a wireless network based on a communication standard, such as WiFi, 2G, or 3G, or a combination thereof.
  • the communication component 1116 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 1116 further includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra wideband
  • Bluetooth Bluetooth
  • the apparatus 1100 may be one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are implemented to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic components are implemented to perform the above method.
  • a non-transitory computer-readable storage medium including instructions such as a memory 1104 including instructions.
  • the above instructions can be executed by the processor 1120 of the device 1100 to complete the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, or the like.
  • an apparatus for partially switching bandwidth including:
  • Memory for storing processor executable instructions
  • the processor is configured as:
  • the above processor may also be configured as:
  • the indication information includes: an indication bit;
  • the determining whether to switch the BWP according to the instruction information includes:
  • the above processor may also be configured as:
  • the instruction information includes: a first duration
  • the determining whether to switch the BWP according to the instruction information includes:
  • the above processor may also be configured as:
  • the instruction information includes: a second duration
  • the determining whether to switch the BWP according to the instruction information includes:
  • the second duration When the second duration is less than a preset duration threshold, it resides in the current BWP.
  • the above processor may also be configured as:
  • the preset duration threshold includes one of the following:
  • the pre-configured duration threshold the duration required for one BWP switch, the duration required for a second BWP switch, the sum of the duration required for a BWP switch and a preset reference duration.
  • the above processor may also be configured as:
  • the indication information is a default indication bit, a first duration and a second duration, which instructs to switch BWP;
  • the determining whether to switch the BWP according to the instruction information includes:
  • the above processor may also be configured as:
  • the switching of BWP includes one of the following:
  • the above processor may also be configured as:
  • the next-level BWP includes a default BWP, an initial BWP, or a target BWP with a fixed configuration.
  • the above processor may also be configured as:
  • the method also includes:
  • a computer-readable storage medium when instructions in the storage medium are executed by a processor of a device, enabling the device to perform the above-mentioned method of partial bandwidth switching, the method including:
  • the instructions in the storage medium may also include:
  • the indication information includes: an indication bit;
  • the determining whether to switch the BWP according to the instruction information includes:
  • the instructions in the storage medium may also include:
  • the instruction information includes: a first duration
  • the determining whether to switch the BWP according to the instruction information includes:
  • the instructions in the storage medium may also include:
  • the instruction information includes: a second duration
  • the determining whether to switch the BWP according to the instruction information includes:
  • the second duration When the second duration is less than a preset duration threshold, it resides in the current BWP.
  • the instructions in the storage medium may also include:
  • the preset duration threshold includes one of the following:
  • the pre-configured duration threshold the duration required for one BWP switch, the duration required for a second BWP switch, the sum of the duration required for a BWP switch and a preset reference duration.
  • the instructions in the storage medium may also include:
  • the indication information is a default indication bit, a first duration and a second duration, which instructs to switch BWP;
  • the determining whether to switch the BWP according to the instruction information includes:
  • the instructions in the storage medium may also include:
  • the switching of BWP includes one of the following:
  • the instructions in the storage medium may also include:
  • the next-level BWP includes a default BWP, an initial BWP, or a target BWP with a fixed configuration.
  • the instructions in the storage medium may also include:
  • the method also includes:
  • Fig. 12 is a block diagram of a device 1200 for synchronizing data according to an exemplary embodiment.
  • the device 1200 may be provided as a computer.
  • the device 1200 includes a processing component 1222, which further includes one or more processors, and memory resources represented by the memory 1232, for storing instructions executable by the processing component 1222, such as application programs.
  • the application programs stored in the memory 1232 may include one or more modules each corresponding to a set of instructions.
  • the processing component 1222 is configured to execute instructions to perform the above method of synchronizing data.
  • the device 1200 may also include a power component 1226 configured to perform power management of the device 1200, a wired or wireless network interface 1250 configured to connect the device 1200 to the network, and an input/output (I/O) interface 1258.
  • the device 1200 can operate based on an operating system stored in the memory 1232, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • an apparatus for partially switching bandwidth including:
  • Memory for storing processor executable instructions
  • the processor is configured as:
  • the above processor may also be configured as:
  • the trigger condition includes at least one of the following:
  • the above processor may also be configured as:
  • the indication information includes at least one of the following: indication bit, first duration and second duration;
  • the indicator bit When the value of the indicator bit is the second value, it indicates that the BWP is switched; when the value of the indicator bit is the first value, it indicates that it resides in the current BWP;
  • the first duration is used to indicate that the current BWP resides in the first duration
  • the second duration is used to indicate that BWP switching is performed when the second duration is not less than a preset duration threshold.
  • the above processor may also be configured as:
  • the indication information further includes: identification information of the target BWP after the handover.
  • the above processor may also be configured as:
  • the indication information is a default indication bit, a first duration and a second duration, which instructs to switch BWP.
  • a computer-readable storage medium when instructions in the storage medium are executed by a processor of a device, enabling the device to perform the above-mentioned method of partial bandwidth switching, the method including:
  • the instructions in the storage medium may also include:
  • the trigger condition includes at least one of the following:
  • the instructions in the storage medium may also include:
  • the indication information includes at least one of the following: indication bit, first duration and second duration;
  • the indicator bit When the value of the indicator bit is the second value, it indicates that the BWP is switched; when the value of the indicator bit is the first value, it indicates that it resides in the current BWP;
  • the first duration is used to indicate that the current BWP resides in the first duration
  • the second duration is used to indicate that BWP switching is performed when the second duration is not less than a preset duration threshold.
  • the instructions in the storage medium may also include:
  • the indication information further includes: identification information of the target BWP after the handover.
  • the instructions in the storage medium may also include:
  • the indication information is a default indication bit, a first duration and a second duration, which instructs to switch BWP.

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

Abstract

La présente invention concerne un procédé et un appareil de commutation de partie de largeur de bande. Le procédé consiste : lorsqu'une condition de déclenchement prédéfinie est satisfaite, à générer des informations d'indication de commutation de partie de largeur de bande (BWP) ; et à envoyer, à un équipement utilisateur, une instruction d'indication concernant la commutation de BWP, l'instruction d'indication transportant les informations d'indication. Dans le mode de réalisation selon l'invention, les informations d'indication de BWP et l'instruction d'indication concernant la commutation de BWP sont ajoutées, et l'équipement utilisateur peut apprendre s'il faut effectuer la commutation de BWP au moyen des informations d'indication et de l'instruction.
PCT/CN2019/070874 2019-01-08 2019-01-08 Procédé et appareil de commutation de partie de largeur de bande WO2020142905A1 (fr)

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CN201980000052.XA CN109804662B (zh) 2019-01-08 2019-01-08 带宽部分切换的方法及装置
PCT/CN2019/070874 WO2020142905A1 (fr) 2019-01-08 2019-01-08 Procédé et appareil de commutation de partie de largeur de bande

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EP3930377B1 (fr) * 2019-05-30 2023-08-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Procédé et appareil de gestion de bwp
JP7430242B2 (ja) * 2019-07-11 2024-02-09 北京小米移動軟件有限公司 アンライセンススペクトル上のｂｗｐ切り替え指示方法、装置及び記憶媒体
CN112534916A (zh) 2019-07-12 2021-03-19 上海诺基亚贝尔股份有限公司 用于进入睡眠模式的交互机制
CN112399571B (zh) * 2019-08-15 2024-05-07 华为技术有限公司 一种通信方法及装置
CN113518452A (zh) * 2020-04-10 2021-10-19 华为技术有限公司 一种检测方法及装置
CN116686355A (zh) * 2021-12-31 2023-09-01 北京小米移动软件有限公司 Bwp切换方法、装置、通信设备及存储介质

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