CN112997444B - Working bandwidth switching method, user equipment and network equipment - Google Patents
Working bandwidth switching method, user equipment and network equipment Download PDFInfo
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- CN112997444B CN112997444B CN201980073580.8A CN201980073580A CN112997444B CN 112997444 B CN112997444 B CN 112997444B CN 201980073580 A CN201980073580 A CN 201980073580A CN 112997444 B CN112997444 B CN 112997444B
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application relates to a working bandwidth switching method, user equipment and network equipment. It comprises the following steps: determining a target operating bandwidth BWP and a BWP inactivity timer; switching to a target BWP, and starting the BWP inactivity timer. The specific embodiment provided by the present application can further dynamically adjust the BWP inactivity timer when the user equipment performs BWP handover, so that the user equipment can switch to the BWP with smaller bandwidth as soon as possible without further data transceiving, thereby further saving the energy consumption of the user equipment.
Description
[ technical field ] A method for producing a semiconductor device
The present application relates to the field of communications technologies, and in particular, to a method for switching a working bandwidth during a communication process.
[ background ] A method for producing a semiconductor device
In a New Radio (NR) system of a fifth generation (5 g,5 generation) mobile communication system, whenever a User Equipment (UE) or a terminal receives BWP handover information of a Physical Downlink Control Channel (PDCCH) over a currently activated working Bandwidth (BWP), a working Bandwidth Inactivity Timer (BWP) is restarted.
In the existing BWP configuration, since the active bandwidth inactivity timer is configured by RRC semi-statically, it cannot be dynamically adjusted according to the actual requirement of the active bandwidth service scheduling, which is not favorable for the ue or the terminal to save power.
[ summary of the invention ]
The technical problem to be solved by the present application is to provide a working bandwidth switching method, a user equipment and a network device, which are capable of dynamically adjusting a BWP inactivity timer when the user equipment performs BWP switching.
The application provides the following technical scheme:
a method of operating bandwidth switching, the method for a user equipment, comprising:
determining target BWP and BWP inactivity timers;
switching to a target BWP, and starting the BWP inactivity timer.
A user equipment, comprising:
an acknowledgement module for determining a target BWP and a BWP inactivity timer upon receipt of an indication to start the BWP inactivity timer;
a switching module, configured to switch a current BWP to the target BWP;
a start module to start the BWP inactivity timer.
A user equipment includes: a processor, a memory, characterized in that: the processor executes the working bandwidth switching program to realize any working bandwidth switching method for the user equipment.
A computer-readable storage medium, wherein the computer-readable storage medium has stored thereon an operating bandwidth switching program, which when executed by a processor, implements any one of the operating bandwidth switching methods for a user equipment.
A method for switching working bandwidth, the method is applied to a network device and comprises the following steps: sending handover information of the working bandwidth BWP to the user equipment, the handover information including an identification of a target BWP to be handed over.
A network device, comprising: sending indication information whether to start a BWP inactivity timer of the working bandwidth and handover information of the BWP to the user equipment, the handover information including an identification of the target BWP.
A network device includes: a processor, a memory, characterized in that: the processor executes the working bandwidth switching program to realize any working bandwidth switching method for the network equipment.
A computer-readable storage medium, wherein the computer-readable storage medium has stored thereon an operating bandwidth switching program, which when executed by a processor, implements any one of the operating bandwidth switching methods for a network device.
The beneficial effect of this application lies in: the specific embodiment provided by the present application determines a target working bandwidth BWP to be switched and a BWP inactivity timer, and starts the BWP inactivity timer when switching to the target working bandwidth BWP, so that the BWP inactivity timer can be dynamically adjusted when the user equipment performs BWP switching, and the user equipment can switch to the BWP with a smaller bandwidth as soon as possible without performing data transceiving, thereby further saving energy consumption of the user equipment.
[ description of the drawings ]
Fig. 1 is a flowchart of a method for switching a working bandwidth according to a first embodiment of the present application.
Fig. 2 is a schematic structural diagram of a user equipment 200 module according to a second embodiment of the present application.
Fig. 3 is a schematic diagram of a hardware structure of a user equipment according to a third embodiment of the present application.
Fig. 4 is a flowchart of a working bandwidth switching method according to a fourth embodiment of the present application.
Fig. 5 is a schematic structural diagram of a network device 500 according to a fifth embodiment of the present application.
Fig. 6 is a schematic diagram of a hardware structure of a network device according to a sixth embodiment of the present application.
Fig. 7A is a flowchart of an operating bandwidth switching process according to a seventh embodiment of the present application.
Fig. 7B is a schematic diagram of an operating bandwidth switching process according to a seventh embodiment of the present application.
Fig. 7C is a diagram illustrating a time relationship between a WUS cycle and a DRX cycle in a working bandwidth switching process according to a seventh embodiment of the present disclosure.
Fig. 8A is a flowchart of an operating bandwidth switching process according to an eighth embodiment of the present application.
Fig. 8B is a schematic diagram of an operating bandwidth switching process according to an eighth embodiment of the present application.
Fig. 9 is a flowchart of an operating bandwidth switching process according to a ninth embodiment of the present application.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The specific implementation manner of the application discloses a working bandwidth switching method, user equipment and network equipment. The network device generates and sends a switching message of the working bandwidth BWP to the user device, the user device determines a target working bandwidth BWP to be switched and a BWP inactivity timer according to the switching message, switches to the target working bandwidth BWP according to the target working bandwidth BWP and the BWP inactivity timer, and starts the BWP inactivity timer.
The detailed embodiment of the present application instructs the user equipment to switch to a new BWP by sending different types of BWP handover messages at the network device, and how the user equipment dynamically adjusts the BWP inactivity timer when performing BWP handover, thereby achieving power saving of the user equipment.
The following is a table of abbreviations and their full Chinese-English names for key techniques appearing in the present application:
in order to provide a larger data transmission rate, the system bandwidth is further increased by 5G NR on the basis of 4G, and for the frequency band below 6GHz, the maximum bandwidth supported by a single carrier is 100MHz; for the frequency band above 6GHz, the maximum bandwidth supported by a single carrier is 400MHz. For a large carrier bandwidth, such as 100HMz, the bandwidth required by the ue is often very limited, and if the ue is enabled to detect and measure the whole bandwidth all the time, it will bring a great challenge to the ue power consumption, which is not favorable for terminal power saving. Therefore, the concept of BWP is introduced in 5G NR, that is, a part of continuous bandwidth is divided into carriers with large bandwidth for user equipment to transmit and receive data. The user equipment only needs to perform relevant operations in the part of the bandwidth configured by the network, thereby achieving the effect of saving energy of the terminal. Based on the 5G NR Rel-15 standard, the network device configures one or more BWPs for the user equipment in each serving cell, and at each time, the user equipment can only have one active BWP on this serving cell, and the user equipment can only perform data transceiving on the active BWP. The BWP needs to be adjusted by the ue in consideration of the diversity of the ue services and the difference between different services. For example, when the terminal has a large traffic volume and desires to obtain a high-rate service, a BWP with a large bandwidth is required for data transmission for the terminal. When the terminal traffic is small, a BWP with a small bandwidth can be used for data transmission for this terminal. The BWP activated by the terminal on this serving cell may be changed by means of a BWP handover.
The following detailed description of the present application will describe in detail the process of switching the current operating bandwidth when the user equipment receives BWP handover messages of different types sent by the network device. Therefore, when the user equipment does not need a larger BWP to receive and transmit data service any more, the user equipment can be switched to the BWP with a smaller bandwidth as soon as possible, thereby further saving the energy consumption of the user equipment.
Detailed description of the invention
All embodiments of the present application are described herein as "a plurality" or "a plurality".
Referring to fig. 1, a method for switching operating bandwidths is provided in an embodiment of the present application. The method is applied to user equipment. The method comprises the following steps:
optionally, before the determining the target BWP and BWP inactivity timer step, further comprising:
receiving indication information indicating whether to start a BWP inactivity timer;
when the indication information determines to start the BWP inactivity timer, performing the steps of determining a target BWP and a BWP inactivity timer, and switching to the target BWP and starting the BWP inactivity timer;
when the indication information determines not to start the BWP inactivity timer, then the method further comprises:
determining a target BWP;
switching to the target BWP.
Optionally, the indication information is scheduling information in WUS information or scheduling information in PDCCH information.
Optionally, the method further comprises: receiving network RRC information, the RRC information comprising one or more BWPs configured for the user equipment, one or more BWP inactivity timers. There is no correspondence between the BWP and BWP inactivity timers. The number of BWP, BWP inactivity timers may be one or more. At this time, the BWP handover information sent by the network device to the user device includes a target BWP identification for terminal handover and a BWP inactivity timer identification that is in effect when handing over to the target BWP. Wherein a plurality of references in all embodiments of the present application includes two or more instances.
Specifically, step 110 includes: receiving switching information of the BWP, wherein the switching information comprises a target BWP identification ID of terminal switching and a BWP inactivity timer identification ID which takes effect when the terminal is switched to the target BWP; and acquiring the target BWP and the effective BWP inactivity timer in RRC information according to the target BWP identification and the effective BWP inactivity timer identification.
Optionally, the method further comprises: receiving network RRC information, the configuration information including one or more BWPs configured for a user equipment, a BWP inactivity timer corresponding to a BWP corresponding to each of the one or more BWPs. There is a one-to-one correspondence between the BWP inactivity timers. The number of BWP, BWP inactivity timers may be one or more. At this time, the BWP handover information sent by the network device to the user equipment may include the target BWP identifier for the terminal handover, because the BWP inactivity timer corresponding to the BWP identifier may be found in the RRC information according to the BWP identifier.
Specifically, step 110 includes: receiving switching information of the BWP, wherein the switching information comprises a target BWP identification of terminal switching; and acquiring a target BWP and a BWP inactivity timer corresponding to the target BWP in RRC information according to the target BWP identification.
Optionally, the user equipment stores an index table associating the BWP and the BWP inactivity timer, finds the target BWP in the RRC message according to the target BWP identification, and finds the BWP inactivity timer corresponding to the target BWP in the index table.
In practical application, the BWP is a downlink DL BWP, and the BWP identifier is a DL BWP identifier.
In practical application, the network RRC information sent by the network device to the user equipment further includes discontinuous reception DRX-related parameters and/or wake-up signal WUS-related parameters, the DRX-related parameters include a DRX cycle and/or a DRX duration timer, and the WUS-related parameters include a time offset from a DRX start time of the WUS cycle and/or the WUS start time. Wherein the WUS period is integral multiple of the DRX period.
Specifically, the BWP handover information is BWP handover information triggered by a wake-up signal WUS or BWP handover information based on a physical downlink control channel PDCCH.
For example, when the switching information of the BWP is WUS information, the user device listens to the WUS at the currently active BWP within the WUS cycle time, and determines whether the WUS-triggered BWP switching information is received; when WUS triggered BWP switching information sent by a network device is received, whether a DRX duration timer is started in a DRX period is judged, and when the DRX duration timer is started in the DRX period, a target working bandwidth BWP to be switched and a corresponding BWP inactivity timer are determined.
the current BWP is handed over to the target BWP according to the target working bandwidth BWP and the BWP inactivity timer determined in step 110, and the BWP inactivity timer is started at the same time. Automatically switching to a default BWP or an initial BWP when the BWP inactivity timer times out.
Optionally, the method further comprises: and when the indication information for not starting the working bandwidth BWP inactivity timer is received, determining the target BWP and switching to the target BWP.
The indication information is scheduling information in WUS information or scheduling information in PDCCH information. When the scheduling information is carried in the WUS information, it is indicated by the WUS information whether to start the BWP inactivity timer. Whether to start the BWP inactivity timer may also be indicated by PDCCH information.
By the working bandwidth switching method in this embodiment, a target working bandwidth BWP and a BWP inactivity timer to be switched are determined first, and then the working bandwidth BWP is switched to the target working bandwidth BWP, and a corresponding BWP inactivity timer is started, and the working bandwidth BWP is automatically switched to the default BWP after the timing is finished, so that the BWP inactivity timer can be dynamically adjusted when the user equipment performs BWP switching, and the user equipment can be switched to the BWP with a smaller bandwidth as soon as possible without performing data transceiving, thereby further saving energy consumption of the user equipment.
Detailed description of the invention
Referring to fig. 2, a module diagram of a user equipment according to a second embodiment of the present application is provided. The user equipment 200 includes:
a validation module 210 that determines a target working bandwidth BWP and a BWP inactivity timer;
a switching module 220, configured to switch a current working bandwidth to the target working bandwidth BWP;
a starting module 230 for starting the BWP inactivity timer.
Optionally, the user equipment further comprises a receiving module 240 configured to receive indication information of whether to start a BWP inactivity timer, when the indication information determines that the BWP inactivity timer is started, the confirming module 210 determines a target BWP, and the switching module 220 switches the current BWP to the target BWP; when the indication information determines that the BWP inactivity timer is not started, the confirmation module 210 determines a target BWP, and the switching module 220 switches the current BWP to the target BWP.
Optionally, the receiving module 240 is further configured to receive network RRC information, where the RRC information includes one or more BWPs configured for the user equipment and one or more BWP inactivity timers, and the confirming module obtains the target BWP and the BWP inactivity timer from the network RRC information.
Correspondingly, the confirmation module 210 is specifically configured to:
receiving handover information for a BWP, the handover information including a target BWP identification and a BWP inactivity timer identification;
determining a target BWP and a BWP inactivity timer based on said target BWP identification and said inactivity timer identification.
Optionally, the receiving module 240 is further configured to receive network RRC information, where the RRC information includes one or more BWPs configured for the user equipment, a BWP inactivity timer corresponding to each BWP in the one or more BWPs, and the confirming module acquires a target BWP and the BWP inactivity timer corresponding to the BWP from the network RRC information.
Correspondingly, the confirmation module 210 is specifically configured to:
receiving handover information of a BWP, the handover information including a target BWP identification;
determining a target BWP and a BWP inactivity timer corresponding to the BWP based on the target BWP identification.
In practical application, the network RRC message further includes discontinuous reception DRX-related parameters and/or wake-up signal WUS-related parameters, the DRX-related parameters include a DRX cycle and/or a DRX duration timer, and the WUS-related parameters include a WUS cycle and/or a time offset from a WUS start time to the DRX start time. Wherein the WUS period is integral multiple of DRX period.
The switching information of the BWP is wakeup signal WUS information or physical downlink control channel PDCCH information.
Optionally, when the switching information of the BWP is WUS information, during a WUS cycle time, the confirming module is further specifically configured to:
monitoring the WUS at the current activated BWP, and judging whether BWP switching information triggered by the WUS is received; when WUS-triggered BWP switching information sent by a network device is received, whether a DRX duration timer is started in a DRX period is judged, and when the DRX duration timer is started in the DRX period, a target working bandwidth BWP to be switched and a corresponding BWP inactivity timer are determined.
When the BWP inactivity timer times out, the switching module 220 automatically switches the current BWP to the initial BWP of the default BWP.
Optionally, the BWP is a downlink DL BWP, and the BWP identifier is a DL BWP identifier.
By the user equipment in this embodiment, the target working bandwidth BWP to be switched and the BWP inactivity timer are determined first, then the BWP is switched to the target working bandwidth BWP, and the corresponding BWP inactivity timer is started, and after the timing is ended, the BWP inactivity timer is automatically switched to the default BWP, so that the BWP inactivity timer can be dynamically adjusted when the BWP switching is performed, and the user equipment can switch to the BWP with a smaller bandwidth as soon as possible without needing to send and receive data, thereby further saving the energy consumption of the user equipment.
Detailed description of the invention
Referring to fig. 3, a hardware structure diagram of a user equipment according to a third embodiment of the present application is provided. The user equipment 300 includes: a processor 310, a memory 320, a user interface 330, and a network interface 340. The above components of the user equipment are connected in communication with each other through a bus system.
The user interface 330 may be a hardware device where a display or pointing device (touch sensitive pad or touch screen, etc.) may interact with the user. The memory 320 stores an operating system and an application program.
After receiving the working bandwidth switching message sent by the network device through the network structure 340, the processor 310 reads the operating system and/or the application program stored in the memory 320, and performs the steps in the first embodiment, to determine the target working bandwidth BWP and the BWP inactivity timer to be switched, and then switch to the target BWP, and start the corresponding BWP inactivity timer, thereby implementing adjustment of the BWP inactivity timer while switching the working bandwidth.
The processor 310 may also be an independent component or a combination of multiple processing elements. For example, it may be a CPU, an ASIC, or one or more integrated circuits configured to implement the above method, such as at least one microprocessor DSP, or at least one programmable gate array FPGA, or the like.
In the foregoing embodiment of the present application, the target working bandwidth BWP and the BWP inactivity timer to be switched are determined first, then the target working bandwidth BWP is switched to, and the corresponding BWP inactivity timer is started, and the default BWP is automatically switched to after the timing is ended, so that the BWP inactivity timer can be dynamically adjusted when performing BWP switching, so that the user equipment can switch to the BWP with a smaller bandwidth as soon as possible without performing data transceiving, thereby further saving energy consumption of the user equipment.
Detailed description of the invention
Referring to fig. 4, a flowchart of a method for switching a working bandwidth according to a fourth embodiment of the present application is shown. The method is used for a network device, and comprises the following steps:
optionally, the method further comprises:
transmitting indication information indicating whether to start the BWP inactivity timer to the user equipment.
Optionally, the indication information is scheduling information in WUS information or scheduling information in PDCCH information.
Optionally, the method further comprises:
sending network Radio Resource Control (RRC) information to the user equipment, wherein the RRC information comprises one or more BWPs configured for the user equipment, one or more BWP inactivity timers, and the switching information further comprises a BWP inactivity timer identification.
Optionally, the sending the network RRC information to the user equipment specifically includes:
transmitting network RRC information to the user equipment, the RRC information comprising one or more BWPs configured for the user equipment, and a BWP inactivity timer corresponding to each of the one or more BWPs.
In practical application, the network RRC message further includes discontinuous reception DRX-related parameters and/or wake-up signal WUS-related parameters, the DRX-related parameters include a DRX cycle and/or a DRX duration timer, and the WUS-related parameters include a WUS cycle and/or a time offset from a WUS start time to the DRX start time. Wherein the WUS period is an integer multiple of a DRX period.
Optionally, the BWP may be downlink DL BWP, and the BWP identity may be a DL BWP identity.
Optionally, the switching information of the BWP is wakeup signal WUS information or physical downlink control channel PDCCH information.
Optionally, the BWP is a downlink DL BWP, and the BWP identifier is a DL BWP identifier.
By the working bandwidth switching method in this embodiment, the network device sends information including an identifier of a target working bandwidth BWP to be switched to the user equipment, and the user equipment switches to the target working bandwidth BWP according to the switching information, starts a corresponding BWP inactivity timer, and automatically switches to a default BWP after the timing ends, so that the BWP inactivity timer can be dynamically adjusted when the user equipment performs BWP switching, so that the user equipment can switch to a BWP with a smaller bandwidth as soon as possible without further data transceiving, thereby further saving energy consumption of the user equipment.
Detailed description of the invention
Please refer to fig. 5, a block diagram of a network device according to a fifth embodiment of the present application. The user equipment device 500 includes:
a sending module 510, configured to send handover information of the BWP to the user equipment, where the handover information includes an identifier of the target BWP.
Optionally, the sending module is further configured to send indication information indicating whether to start the BWP inactivity timer to the user equipment.
Optionally, the network device further includes:
a first configuring module 520, configured to send network radio resource control RRC information to the user equipment, where the RRC information includes one or more BWPs configured for the user equipment, one or more BWP inactivity timers, and the handover information further includes a BWP inactivity timer identification.
Since the BWP inactivity timer in the RRC message does not correspond to the BWP, the BWP handover message sent by the network device further includes the BWP inactivity timer identifier.
Optionally, the network device further includes:
a second configuration module, configured to send network RRC information to the user equipment, where the RRC information includes BWPs configured for the user equipment and a BWP inactivity timer corresponding to each of the one or more BWPs.
The BWP inactivity timer is in a one-to-one relationship with BWP in the RRC message. Accordingly, the handover information may only include the identification of the target operating bandwidth BWP to be handed over.
In practical application, the network RRC message further includes discontinuous reception DRX-related parameters and/or wake-up signal WUS-related parameters, the DRX-related parameters include a DRX cycle and/or a DRX duration timer, and the WUS-related parameters include a WUS cycle and/or a time offset from a WUS start time to the DRX start time. Wherein the WUS period is integral multiple of DRX period.
Optionally, the switching information of the BWP is wakeup signal WUS information or physical downlink control channel PDCCH information.
Optionally, the indication information is scheduling information in WUS information or scheduling information in PDCCH information.
Optionally, the BWP is a downlink DL BWP, and the BWP identifier is a DL BWP identifier.
In this embodiment, the network device sends information including an identifier of a target working bandwidth BWP to be switched to the user equipment, and the user equipment switches to the target working bandwidth BWP according to the switching information, starts a corresponding BWP inactivity timer, and automatically switches to a default BWP after the timing ends, so that the user equipment can dynamically adjust the BWP inactivity timer when executing BWP switching, and the user equipment can switch to a BWP with a smaller bandwidth as soon as possible without data transceiving, thereby further saving energy consumption of the user equipment.
Detailed description of the invention
Referring to fig. 6, a hardware structure diagram of a network device 600 according to a sixth embodiment of the present application is provided. The network device 600 includes: an antenna 610, a radio frequency device 620, and a baseband device 630. In the uplink direction, the rf device 620 receives information uploaded by the ue through the antenna 610, and sends the received information to the baseband device 630 for processing. In the downlink direction, the baseband device 630 sends the processed information to the rf device 620, and the rf device 620 processes the received information and sends the processed information through the antenna 610.
The baseband device 630 executes the steps of the method for switching the operating bandwidth provided in the fourth embodiment.
Specifically, the baseband device 630 includes: a processor 631, a memory 632, and a network interface 633. The processor 631 calls the program in the memory 632 to execute the steps of the method for switching the operating bandwidth provided in the fourth embodiment. The network interface 633 interacts with the rf device 620, and transmits the signal processed by the processor 631 to the rf device 620.
The processor 631 may be a single component or may be a combination of multiple processing elements. For example, it may be a CPU, an ASIC, or one or more integrated circuits, such as at least one microprocessor DSP, or at least one programmable gate array FPGA, or the like, configured to implement the above method.
The implementation process of the present application will be specifically described below with reference to three different application scenarios.
Detailed description of the preferred embodiment
Please refer to fig. 7A and 7B, which are a flowchart and a schematic diagram of an operating bandwidth switching process according to a seventh embodiment of the present application, respectively.
In this embodiment, the network device configures at least one DL BWP and at least one BWP inactivity timer for the user equipment.
The following describes the whole operating bandwidth switching process by way of example.
step 710 is for the network device to perform an RRC configuration procedure for the UE. The multiple BWP handover procedures may share the same RRC configuration, or the RRC configuration may be performed once for each BWP handover procedure.
In this embodiment, the RRC message includes: default BWP, BWP1 and BWP2; bwp-InactivatyTimer 1 and bwp-InactivatyTimer 2; the WUS occase start time is offset by wustimeooffset from the subsequent DRX on duration start time. The WUS information further includes scheduling information indicating to start a BWP inactivity timer.
The time relationship between a WUS cycle and a DRX cycle is shown in fig. 7C, where Ts is the time offset from the start of the WUS cycle to the start of the following DRX cycle. In the figure, 1 st DRX cycle is the first DRX cycle, 2 st The DRX cycle is a second DRX cycle, and, within each DRX cycle,the WUS has an active state and a sleep state. The WUS is active during the WUS active period.
in this embodiment, the BWP switching information includes a start drx-OnDurationTimer, a switching target BWP ID, that is, BWP2, and a BWP inactivity timer ID, that is, BWP-inactivity timer1.
if 7B shows, at time t1, the operating bandwidth switches from BWP1 to BWP2, and a timer BWP-InactivityTimer1 is started.
in this embodiment, the PDCCH-based BWP handover information includes a target BWP ID, that is, BWP1, and a BWP inactivity timer ID, that is, BWP-inactivity timer1.
as shown in fig. 7B, at time t2, the operating bandwidth is switched from BWP2 to BWP1, and a timer BWP-inactivity timer1 is started.
as shown in FIG. 7B, at time t3, the timer BWP-inactivity timer1 times out and automatically switches to the default BWP.
in this embodiment, the BWP switching information based on the WUS trigger, which is monitored by the UE in the second WUS occasion, includes a start drx-OnDurationTimer, a switching target BWP ID, that is, BWP1, and a BWP inactivity timer ID, that is, BWP inactivity timer2.
As shown in FIG. 7B, at time t4, switch from default BWP to BWP1, and start timer BWP-InactivatyTimer 2.
Before the UE receives the BWP switching information in the next WUS occase, bwP1 or BWP2 is used as the active BWP of the UE, BWP-InactivityTimer2 is used. When the UE receives the BWP handover information in the next WUS occasion, step 710 to step 780 are repeated, which is not described herein again.
In the operating bandwidth switching procedure provided in this embodiment, the scheduling information in the WUS information indicates that the BWP inactivity timer is started.
However, in other application scenarios, the scheduling information in the WUS information indicates that the UE does not start the BWP inactivity timer, the UE receives the BWP switching information and switches the BWP, and does not start the BWP inactivity timer, and after the data transceiving is completed, the working bandwidth is immediately switched back to the default BWP or the initial BWP.
There is also an application scenario in which, when the WUS information does not include scheduling information, whether to start a BWP inactivity timer may be indicated by PDCCH information, and switching BWP may be indicated by WUS information or PDCCH information.
Detailed description of the invention
Please refer to fig. 8A and 8B, which are a flowchart and a schematic diagram of another working bandwidth switching process according to an eighth embodiment of the present application, respectively.
In this embodiment, the network device configures at least one BWP and at least one BWP-inactivity timer for the user equipment.
The following describes the whole operating bandwidth switching process by way of example.
the RRC information includes: default BWP, BWP1, BWP2, BWP3; bwp-InactivatyTimer 1 and bwp-InactivatyTimer 2.
Step 810 is that the network equipment performs RRC configuration procedure for the UE. The multiple BWP handover procedures may share the same RRC configuration, or the RRC configuration may be performed once for each BWP handover procedure.
in this embodiment, the BWP handover information of the first PDCCH includes a BWP2 indicating a handover target BWP ID and a BWP inactivity timer ID BWP-inactivity timer1.
as shown in fig. 8B, at time t1, the operating bandwidth is switched from BWP1 to BWP2, and a timer BWP-inactivytytimer 1 is started.
as shown in FIG. 8B, at time t2, the timer BWP-InactivatyTimer 1 times out and the UE automatically switches to the default BWP.
in this embodiment, the BWP handover information of the second PDCCH includes a handover target BWP ID, i.e., DL BWP1, and a BWP inactivity timer ID, i.e., BWP-inactivity timer2.
as shown in fig. 8B, at time t3, the operating bandwidth is switched from default BWP to BWP1, and a timer BWP-inactivity timer2 is started.
in this embodiment, the BWP handover information of the third PDCCH includes a BWP2 to be handed over to the target BWP ID, and the BWP inactivity timer is not started.
As shown in fig. 8B, at time t4, the operating bandwidth is switched from BWP1 to BWP2, and the BWP inactivity timer is not started.
And after the BWP2 finishes data receiving, the UE automatically switches to default BWP.
In the working bandwidth handover procedure provided by the present embodiment, in the PDCCH-based working bandwidth handover information, while indicating the target working bandwidth to be handed over, indicating whether to start the BWP inactivity timer and which BWP inactivity timer to use, the BWP inactivity timer can be flexibly adjusted according to the current needs.
Detailed description of the invention
Please refer to fig. 9, which is a flowchart of another operating bandwidth switching process according to a ninth embodiment of the present application.
In this embodiment, the network device configures at least one BWP for the user equipment, and each configured BWP corresponds to one BWP-inactivity timer.
The following describes the whole operating bandwidth switching process by way of example.
in this embodiment, the BWP handover information may be PDCCH or WUS based BWP handover information. The BWP handover information includes a target BWP ID of the handover.
Before the UE receives BWP handover information sent by the network device, the network device sends network RRC information to the UE in advance, where the RRC information includes: default BWP, at least one BWP, BWP corresponding bwP BWP corresponding BWP.
and step 930, the timer BWP-inactivity timer times out, and the UE automatically switches to default BWP.
In the working bandwidth switching process provided in this embodiment, a BWP and a corresponding working bandwidth inactivity timer are configured for the UE in the network RCC information, and in the working bandwidth switching information based on the PDCCH or WUS, the UE only needs to indicate a target working bandwidth to be switched, and the UE can start the corresponding BWP inactivity timer while switching the working bandwidth according to the RCC information.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. The program may be stored in a computer-readable storage medium, which may include: read Only Memory (ROM), random Access Memory (RAM), magnetic or optical disks, and the like.
The above detailed description illustrates, but does not limit, the application, and those skilled in the art will be able to design many alternative embodiments within the scope of the appended claims. Those skilled in the art will recognize that appropriate adjustments, modifications, etc. can be made to the specific implementations without departing from the scope of the present application as defined by the appended claims. Accordingly, it is contemplated that any modifications and variations made thereto, which come within the spirit and scope of the application, are desired to be protected by the following claims.
Claims (26)
1. A method for operating bandwidth switching, the method being used for a user equipment, the method comprising:
receiving indication information indicating whether to start a BWP inactivity timer;
determining a target working bandwidth BWP and the BWP inactivity timer when the indication information determines to start the BWP inactivity timer;
switching to the target BWP and starting the BWP inactivity timer;
when the indication information determines not to start the BWP inactivity timer, then the method further comprises:
determining a target BWP;
switching to the target BWP;
wherein, when the switching information of the BWP is the wake up signal WUS information, the receiving the BWP switching information includes:
judging whether BWP switching information is received or not within WUS cycle time;
when the BWP switching information is received, judging whether to start a DRX duration timer in a DRX period, if so, starting the DRX duration timer;
wherein the indication information is scheduling information in the WUS information of the wake-up signal.
2. The method of claim 1, wherein determining a target BWP and BWP inactivity timer comprises:
receiving handover information of a BWP, the handover information including a target BWP identification, and a BWP inactivity timer identification;
determining a target BWP and a BWP inactivity timer based on the target BWP identification and the BWP inactivity timer identification.
3. The method of claim 2, wherein said determining a target BWP and BWP inactivity timer based on said target BWP identification and said BWP inactivity timer identification comprises:
and acquiring the target BWP and the BWP inactivity timer from network Radio Resource Control (RRC) information, wherein the RRC information comprises one or more BWPs configured for the user equipment and one or more BWP inactivity timers.
4. The method of claim 1, wherein determining the target operating bandwidth BWP and the BWP inactivity timer comprises:
receiving handover information of a BWP, the handover information including a target BWP identification;
determining a target BWP and a BWP inactivity timer corresponding to the BWP based on the target BWP identification.
5. The method of claim 4, wherein determining a target BWP and a BWP inactivity timer corresponding to the BWP based on the target BWP identification comprises:
acquiring a target BWP and a BWP inactivity timer corresponding to the BWP from RRC information including one or more BWPs configured for a user equipment and a BWP inactivity timer corresponding to each of the one or more BWPs.
6. The method of any of claims 1-5, wherein the BWP is a downlink DL BWP, and wherein the BWP identifier is a DL BWP identifier.
7. The method of any of claims 1-5, wherein the method further comprises:
when the activated BWP inactivity timer times out, a switch is automatically made to either the default BWP or the initial BWP.
8. A user equipment, comprising a receiving module, an acknowledgement module and a handover module, wherein:
the receiving module is configured to receive indication information indicating whether to start a BWP inactivity timer for the operating bandwidth,
when the indication information determines to start the BWP inactivity timer, the validation module determines a target BWP and a BWP inactivity timer, the switching module switches the current BWP to the target BWP, and the start module starts the BWP inactivity timer;
when the indication information determines that the BWP inactivity timer is not started, the confirmation module determines a target BWP to which the switching module switches the current BWP;
when the switching information of the BWP is the wakeup signal WUS information, the receiving, by the confirmation module, the BWP switching information specifically includes:
judging whether BWP switching information is received or not within WUS cycle time;
when the BWP switching information is received, judging whether to start a DRX duration timer in a DRX period, if so, starting the DRX duration timer;
wherein the indication information is scheduling information in the WUS information of the wake-up signal.
9. The ue of claim 8, wherein the confirmation module is specifically configured to:
receiving handover information for a BWP, the handover information including a target BWP identification and a BWP inactivity timer identification;
determining a target BWP and BWP inactivity timer based on the target BWP identification and the inactivity timer identification.
10. The user equipment of claim 9, wherein the receiving module is further to receive network Radio Resource Control (RRC) information including one or more BWPs configured for the user equipment, one or more BWP inactivity timers, the acknowledgement module to obtain the target BWP and BWP inactivity timers from the network RRC information.
11. The user equipment of claim 8, wherein the confirmation module is further specifically configured to:
receiving handover information of a BWP, the handover information including a target BWP identification;
determining a target BWP and a BWP inactivity timer corresponding to the BWP based on the target BWP identification.
12. The user equipment of claim 11, wherein the receiving module is further to receive network RRC information including one or more BWPs configured for the user equipment, a BWP inactivity timer corresponding to each of the one or more BWPs, the acknowledgement module to obtain a target BWP and the BWP inactivity timer corresponding to the BWP from the network RRC information.
13. The user equipment of any one of claims 8-12, wherein: the BWP is a downlink DL BWP, and the BWP identification is a DL BWP identification.
14. The user equipment of any one of claims 8-12, wherein: the switching module is further configured to: when the started BWP inactivity timer times out, it automatically switches to the default BWP or the initial BWP.
15. A user equipment, the user equipment comprising: a processor, a memory, characterized in that:
an operating bandwidth switching program stored in the memory and executable on the processor, wherein the processor implements the operating bandwidth switching method according to any one of claims 1 to 7 when executing the operating bandwidth switching program.
16. A computer-readable storage medium, wherein an operating bandwidth switching program is stored on the computer-readable storage medium, and when executed by a processor, implements the operating bandwidth switching method according to any one of claims 1 to 7.
17. An operating bandwidth switching method, applied to a network device, the operating bandwidth switching method comprising:
transmitting indication information indicating whether to start a BWP inactivity timer to the user equipment;
determining a target working bandwidth BWP and the BWP inactivity timer when the indication information determines to start the BWP inactivity timer;
sending switching information of a working bandwidth BWP to a user equipment, wherein the switching information comprises a target BWP identification;
instructing the user equipment to switch to the target BWP and starting the BWP inactivity timer;
determining a target BWP instructing the user equipment to switch to the target BWP when the indication information determines not to start the BWP inactivity timer;
wherein the switching information of the BWP is wakeup signal WUS information, and the indication information is scheduling information in the WUS information.
18. The method of claim 17, wherein the method further comprises:
sending network Radio Resource Control (RRC) information to the user equipment, wherein the RRC information comprises one or more BWPs configured for the user equipment, one or more BWP inactivity timers, and the switching information further comprises a BWP inactivity timer identification.
19. The method of claim 17, wherein the method further comprises:
transmitting network RRC information to the user equipment, the RRC information including one or more BWPs configured for the user equipment, and a BWP inactivity timer corresponding to each of the one or more BWPs.
20. The method of any of claims 17-19, wherein the BWP is a downlink DL BWP, the BWP identification being a DL BWP identification.
21. A network device, characterized in that the network device comprises:
a sending module, configured to send indication information indicating whether to start a BWP inactivity timer to a user equipment;
determining a target operating bandwidth BWP and the BWP inactivity timer when the indication information determines to start the BWP inactivity timer;
the sending module is further configured to send handover information of the target bandwidth BWP to the user equipment, where the handover information includes an identifier of the target bandwidth BWP;
instructing the user equipment to switch to the target BWP and starting the BWP inactivity timer;
determining a target BWP instructing the user equipment to switch to the target BWP when the indication information determines not to start the BWP inactivity timer;
wherein the switching information of the BWP is wakeup signal WUS information, and the indication information is scheduling information in the WUS information.
22. The network device of claim 21, wherein: the network device further includes:
a first configuration module, configured to send network radio resource control RRC information to the user equipment, where the RRC information includes one or more BWPs configured for the user equipment, one or more BWP inactivity timers, and the handover information further includes a BWP inactivity timer identification.
23. The network device of claim 22, wherein: the network device further includes:
a second configuration module, configured to send network RRC information to the user equipment, where the RRC information includes BWPs configured for the user equipment and a BWP inactivity timer corresponding to each of the one or more BWPs.
24. The network device of any of claims 21-23, wherein: the BWP is a downlink DL BWP, and the BWP identification is a DL BWP identification.
25. A network device, the network device comprising: a processor, a memory, characterized in that:
an operating bandwidth switching program stored in the memory and executable on the processor, wherein the processor implements the operating bandwidth switching method according to any one of claims 17 to 20 when executing the operating bandwidth switching program.
26. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon an operating bandwidth switching program, which when executed by a processor implements the operating bandwidth switching method according to any one of the preceding claims 17 to 20.
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| PCT/CN2019/090210 WO2020243933A1 (en) | 2019-06-05 | 2019-06-05 | Working bandwidth switching method, user equipment, and network device |
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| CN102761942A (en) * | 2011-04-29 | 2012-10-31 | 华为技术有限公司 | State switching method, inactive timer starting method and user equipment |
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| WO2019061080A1 (en) * | 2017-09-27 | 2019-04-04 | Oppo广东移动通信有限公司 | Bandwidth part switching method, terminal device, and computer storage medium |
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| CA3022244A1 (en) * | 2017-10-27 | 2019-04-27 | Comcast Cable Communications, Llc | Group common dci for wireless resources |
| CN109803354A (en) * | 2017-11-17 | 2019-05-24 | 北京展讯高科通信技术有限公司 | A kind of partial carrier wave bandwidth BW P switching method and device |
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| CN109496454A (en) * | 2018-10-17 | 2019-03-19 | 北京小米移动软件有限公司 | Portions of bandwidth switching method and device |
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| WO2020243933A1 (en) | 2020-12-10 |
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