CN115955709A

CN115955709A - Method, device and equipment for determining radio frequency bandwidth and storage medium

Info

Publication number: CN115955709A
Application number: CN202211659638.7A
Authority: CN
Inventors: 王朝刚
Original assignee: Zeku Technology Beijing Corp Ltd
Current assignee: Zeku Technology Beijing Corp Ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-04-11

Abstract

The application discloses a method, a device, equipment and a storage medium for determining radio frequency bandwidth, and relates to the field of mobile communication. The method comprises the following steps: determining a first operating bandwidth of the radio frequency component based on the CORESET configuration; and adjusting the working bandwidth of the radio frequency component to the first working bandwidth. The terminal equipment is supported to determine the first working bandwidth of the radio frequency component through CORESET configuration, so that the terminal equipment works on the actually required bandwidth, the waste of the bandwidth is avoided, and the power consumption of the terminal equipment is saved.

Description

Method, device and equipment for determining radio frequency bandwidth and storage medium

Technical Field

The present application relates to the field of mobile communications, and in particular, to a method, an apparatus, a device, and a storage medium for determining a radio frequency bandwidth.

Background

In the related art, the network device is supported to instruct the terminal device to switch to a Bandwidth Part (BWP) with different configurations to execute a service operation based on a service state of the terminal device, so that the terminal device saves power consumption on the premise of meeting service requirements.

Under the condition of no service, the terminal device only needs to monitor a Physical Downlink Control Channel (PDCCH), however, the BWP bandwidth indicated by the network device is still much larger than the bandwidth required by PDCCH reception under normal conditions, and a scheme for determining the radio frequency bandwidth more reasonably is needed to further save the power consumption of the terminal device.

Disclosure of Invention

The embodiment of the application provides a method, a device, equipment and a storage medium for determining radio frequency bandwidth, wherein the technical scheme is as follows:

according to an aspect of the present application, there is provided a method of determining a radio frequency bandwidth, the method being performed by a terminal device, the method including:

determining a first operating bandwidth of the radio frequency component based on the CORESET configuration;

and adjusting the working bandwidth of the radio frequency component to the first working bandwidth.

According to an aspect of the present application, there is provided an apparatus for determining a radio frequency bandwidth, the apparatus including:

the determining module is used for determining a first working bandwidth of the radio frequency component based on the CORESET configuration;

and the adjusting module is used for adjusting the working bandwidth of the radio frequency component to the first working bandwidth.

According to an aspect of the present application, there is provided a terminal device, the wireless device including: a processor; a transceiver coupled to the processor; a memory for storing executable instructions of the processor; wherein the processor is configured to load and execute the executable instructions to implement the method of determining a radio frequency bandwidth as described in the above aspect.

According to an aspect of the present application, there is provided a computer-readable storage medium having stored therein executable instructions that are loaded and executed by a processor to implement the method for determining a radio frequency bandwidth as described in the above aspect.

According to an aspect of the present application, there is provided a computer program product comprising computer instructions stored in a computer readable storage medium, the computer instructions being read by a processor of a computer device from the computer readable storage medium, the processor executing the computer instructions to cause the computer device to execute to implement the method for determining a radio frequency bandwidth according to the above aspect.

According to an aspect of the present application, there is provided a chip comprising programmable logic circuits and/or program instructions for implementing the method of determining a radio frequency bandwidth as described in the above aspect when the chip is run.

According to an aspect of the present application, there is provided a computer program comprising computer instructions which, when executed by a processor of a computer device, cause the computer device to perform the method for determining a radio frequency bandwidth as described in the above aspect.

The technical scheme provided by the embodiment of the application at least comprises the following beneficial effects:

the terminal equipment is supported to determine the first working bandwidth of the radio frequency component through CORESET configuration, so that the terminal equipment works on the actually required bandwidth, the waste of the bandwidth is avoided, and the power consumption is saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic diagram of a system for determining a radio frequency bandwidth provided by some exemplary embodiments of the present application;

fig. 2 is a flowchart illustrating a method for determining a radio frequency bandwidth according to some exemplary embodiments of the present application;

fig. 3 is a flowchart illustrating a method for determining a radio frequency bandwidth according to some exemplary embodiments of the present application;

fig. 4 is a diagram illustrating a method for determining a radio frequency bandwidth according to some exemplary embodiments of the present application;

fig. 5 is a diagram illustrating a method for determining a radio frequency bandwidth according to some exemplary embodiments of the present application;

fig. 6 is a diagram illustrating a method for determining a radio frequency bandwidth according to some exemplary embodiments of the present application;

fig. 7 is a block diagram illustrating an apparatus for determining a radio frequency bandwidth according to some exemplary embodiments of the present application;

fig. 8 shows a schematic structural diagram of a terminal device according to some exemplary embodiments of the present application.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings. Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at" \8230; "or" when 8230; \8230; "or" in response to a determination ", depending on the context.

If the terminal device is always operating in a larger bandwidth but has no larger uplink or downlink data transmission requirement, the radio frequency bandwidth of the terminal device exceeds the actually required bandwidth size most of the time. This not only causes a waste of bandwidth but also a waste of power consumption of the terminal device.

Therefore, the related art proposes a concept of Bandwidth Part (BWP), which supports a network device to instruct a terminal device to switch to a BWP with different configurations based on different service states of the terminal device, where the different configurations mainly include different configurations in terms of Bandwidth, frequency domain location, and the like. For example, the network device instructs the terminal device to switch from the BWP with the larger bandwidth to the BWP with the smaller bandwidth according to the traffic status of the terminal device, so that the radio frequency of the terminal device only needs to support the smaller frequency domain range. The technology can meet the service requirement and realize the effect of saving power consumption.

Generally, a terminal device only needs to monitor a Physical Downlink Control Channel (PDCCH) when there is no traffic. However, the bandwidth of BWP configured by a general network device is still too large compared to the bandwidth required for PDCCH reception. That is, in the absence of service, if the rf of the terminal device is configured according to the bandwidth of BWP, the rf of the terminal device is still larger than the actually required bandwidth. Therefore, even if the network device instructs BWP of different configurations, there are still scenarios where the radio frequency bandwidth in which the terminal device operates is larger than what is actually required, resulting in a waste of bandwidth and power consumption.

Therefore, the application provides a method for determining the radio frequency bandwidth, which supports further reduction of the range of the radio frequency bandwidth, thereby further reducing bandwidth waste and saving power consumption of the terminal equipment on the premise of meeting service requirements.

Fig. 1 is a diagram illustrating a system for determining a radio frequency bandwidth according to an exemplary embodiment of the present application. The system for determining the radio frequency bandwidth includes network device 110 and terminal device 120, which is not limited in this application.

The network device 110 in the present application provides wireless communication functions, and the network device 110 includes but is not limited to: evolved Node B (eNB), radio Network Controller (RNC), node B (NB), base Station Controller (BSC), base Transceiver Station (BTS), home Base Station (e.g., home Evolved Node B, or Home Node B, HNB), base Band Unit (BBU), access Point (AP) in Wireless Fidelity (Wi-Fi) system, wireless relay Node, wireless Backhaul Node, transmission Point (TP), or Transmission and Reception Point (TRP), etc., and may be a Next Generation Node B (Next B, gNB) or a Transmission Point (TRP or TP), or one or a group (including multiple antenna panels) of a Base Station in a 5G system, or may also be a Network Node constituting the gNB or the Transmission Point, such as a Base Band Unit (BBU) or a Distributed Unit (DU), or the like, or a Base Station in a Beyond 5 Generation mobile communication system (B5G), a sixth Generation (6G) mobile communication system, or the like, or a Core Network (CN), a Fronthaul (Fronthaul), a Backhaul (Backhaul), a Radio Access Network (RAN), a Network slice, or the like, or a serving Cell, a Primary Cell (Primary Cell, cell), or the like of a terminal device, primary and Secondary cells (PSCell), special cells (SpCell), secondary cells (SCell), neighbor cells, and the like.

In the present application, the terminal device 120 is called User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a User terminal, a wireless communication device, a User agent, and a User Equipment. The terminal includes but is not limited to: handheld devices, wearable devices, vehicle-mounted devices, internet of things devices, and the like, for example: a Mobile phone, a tablet computer, an electronic book reader, a laptop computer, a desktop computer, a television, a game console, a Mobile Internet Device (MID), an Augmented Reality (AR) terminal, a Virtual Reality (VR) terminal, a Mixed Reality (MR) terminal, a wearable Device, a handle, an electronic tag, a controller, a Wireless terminal in Industrial Control (Industrial Control), a Wireless terminal in Self Driving (Self Driving), a Wireless terminal in Remote Medical (Remote Medical), a Wireless terminal in Smart Grid, a Wireless terminal in Transportation security (security), a Wireless terminal in Smart City (SIP City), a Wireless terminal in Smart Home (Home), a Wireless terminal in Remote Medical (Remote) system, a Wireless terminal in Remote telephone (Remote), a cellular phone, a Wireless phone Session Initiation (SIP), a Wireless terminal in Remote telephone Session (CPE), a Local television Session (Remote subscriber, personal Digital Assistant (PDA), a Local television Set-Top Box (Remote Set), etc.

The network device 110 and the terminal device 120 communicate with each other through some air interface technology, for example, a Uu interface.

Illustratively, there are two communication scenarios between the network device 110 and the terminal device 120: an uplink communication scenario and a downlink communication scenario. Wherein, the uplink communication is to send a signal to the network device 110; the downlink communication is to transmit a signal to the terminal device 120.

The technical solution provided by the embodiments in the present application can be applied to various communication systems, for example: a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a Long Term Evolution (Long Term Evolution, LTE) System, a LTE Frequency Division Duplex (FDD) System, a LTE Time Division Duplex (TDD) System, an LTE-Advanced Long Term Evolution (LTE-A) System, a Universal Mobile Telecommunications System (UMTS), a Universal Microwave Access (Worldwide Mobile telecommunications for Microwave Access, wiMAX) communication System, 5G Mobile communication System, new Radio (NR) System, evolution System of NR System, LTE (LTE-based to unlicensed spectrum, LTE-U) System on unlicensed spectrum, NR (NR-based to unlicensed spectrum, NR-U) System on unlicensed spectrum, terrestrial communication network (NTN) System, non-Terrestrial communication network (Non-Terrestrial network, NTN) System, wireless Local Area Network (WLAN), wireless Fidelity (Wi-Fi), cellular internet of things System, cellular passive internet of things System, and may also be applicable to subsequent Evolution System of 5G NR System, and may also be applicable to subsequent Evolution System of B5G, 6G, and subsequent Evolution System. In some embodiments of the present application, "NR" may also be referred to as a 5G NR system or a 5G system. The 5G mobile communication system may include a Non-independent Network (NSA) and/or an independent network (SA), among others.

The technical solution provided in the embodiment of the present application may also be applied to Machine Type Communication (MTC), long Term Evolution-Machine (LTE-M) for inter-Machine Communication, device to Device (D2D) network, machine to Machine (M2M) network, internet of Things (Internet of Things, ioT) network, or other networks. The IoT network may comprise, for example, a car networking network. The communication modes in the car networking system are generally referred to as car to other devices (Vehicle to X, V2X, X may represent anything), for example, the V2X may include: vehicle to Vehicle (V2V) communication, vehicle to Infrastructure (V2I) communication, vehicle to Pedestrian (V2P) or Vehicle to Network (V2N) communication, and the like.

The system for determining the radio frequency bandwidth provided by the embodiment can be applied to, but not limited to, at least one of the following communication scenarios: an uplink communication scene, a downlink communication scene, and a sideline communication scene.

It should be noted that, in the present application, the bandwidth used for the downlink channel, the bandwidth configured to the downlink channel, the bandwidth used for downlink transmission, the bandwidth used for downlink data transmission, the bandwidth occupied by the downlink transmission resource, and the like express the same or similar meanings. Similarly, the bandwidth used for the uplink channel, the bandwidth configured for the uplink channel, the bandwidth used for uplink transmission, the bandwidth used for uplink data transmission, the bandwidth occupied by the uplink transmission resource, and the like express the same or similar meanings. Similarly, the bandwidth for the sidestream channel, the bandwidth configured to the sidestream channel, the bandwidth for the sidestream transmission, the bandwidth for the sidestream data transmission, the bandwidth occupied by the sidestream transmission resource, and the like express the same or similar meanings.

Fig. 2 is a flowchart illustrating a method for determining a radio frequency bandwidth according to some exemplary embodiments of the present application. In the method, the terminal device shown in fig. 1 executes the method as an example, and the method includes at least some of the following steps:

step 210: determining a first working bandwidth of the radio frequency component based on a Control Resource Set (CORESET) configuration;

the CORESET is a set of physical resource sets, and the PDCCH is designed to be transmitted in a configurable CORESET. The CORESET related parameters include at least one of:

resource Element (RE): the RE consists of one Sub-Carrier (Sub-Carrier) in the Frequency domain and one Orthogonal Frequency Division Multiplexing (OFDM) symbol in the time domain;

resource Element Group (REG): one REG is equal to one Resource Block (RB), i.e., consists of 12 REs in the frequency domain and one OFDM symbol in the time domain;

REG bundle (Bundles): consists of a plurality of REGs, the size of which is determined by a Radio Resource Control (RRC) parameter REG-bundle-size;

control Channel Element (CCE): consists of six REGs;

aggregation Level (Aggregation Level): for indicating the number of CCEs allocated for the PDCCH.

Radio Frequency (RF) is a short for high-frequency alternating current (ac) variable electromagnetic wave, the radio frequency bandwidth is the total bandwidth of transmission and reception of a carrier set, and a radio frequency component is a component used for wireless signal transceiving in network equipment or terminal equipment.

The frequency domain bandwidth of CORESET is less than or equal to the bandwidth of BWP configured by the network device. The frequency domain bandwidth of the CORESET is the frequency domain bandwidth actually needed for monitoring the PDCCH or PDCCH reception.

The terminal equipment determines a first working bandwidth of the radio frequency component based on the frequency domain related parameters in the CORESET configuration.

Step 230: the operating bandwidth of the radio frequency component is adjusted to a first operating bandwidth.

The terminal device adjusts the working bandwidth of the radio frequency component of the terminal device to be the first working bandwidth, which means that the radio frequency component receives or transmits wireless signals in the bandwidth range corresponding to the first working bandwidth.

In summary, the method provided by the application supports the terminal device to determine the first working bandwidth of the radio frequency component through the CORESET configuration, so that the terminal device works on the actually required bandwidth, thereby avoiding the waste of the bandwidth and saving the power consumption of the terminal device.

Fig. 3 is a flowchart illustrating a method for determining a radio frequency bandwidth according to some exemplary embodiments of the present application. In the method, as an example, the terminal device shown in fig. 1 executes the method, and the method includes at least some of the following steps:

step 310: determining a first operating bandwidth of the radio frequency component based on the CORESET configuration;

in some embodiments, the CORESET configuration includes a frequency domain bandwidth of CORESET, and the first operating bandwidth of the radio frequency component is determined based on the frequency domain bandwidth of CORESET in the case that the bandwidth of the currently active BWP is greater than the frequency domain bandwidth of CORESET.

When the working bandwidth of the radio frequency component is adjusted, due to the existence of the radio frequency resetting Time (RF resetting Time), certain influence is caused on the Time delay and the Block Error Rate (BLER). The rf retuning time is the time required for adjusting the operating bandwidth of the rf component between two different operating bandwidths, and is unavoidable due to the hardware performance of the rf component.

In some embodiments, step 310 is performed without or without regard to the effect of the radio frequency retuning time.

In some embodiments, step 310 may be implemented as step 312 or step 314 (not shown) taking into account or needing to account for the effects of the radio frequency retuning time. It is also understood that the precondition or requirement for performing step 310 is that the rf retuning time is not detrimental to the performance required by the service, and then the configuration or capability of the network device and/or the configuration or capability of the terminal device needs to satisfy the conditions as described in step 312 and/or step 314.

Step 312: determining a first working bandwidth of the radio frequency component based on CORESET configuration under the condition that the minimum K0 value corresponding to the downlink control channel is greater than or equal to N;

the duration of the N time slots is greater than or equal to the radio frequency readjustment time, and N is a positive integer. The downlink control channel refers to PDCCH.

In some embodiments, step 312 is performed in a scenario where the terminal device monitors the PDCCH, and/or a scenario where the terminal device is in Connected Discontinuous Reception (CDRX).

The minimum K0 value corresponding to the PDCCH is determined by at least one of the following modes:

configured by the network device;

reporting to the network device by the terminal device.

The minimum K0 value may be understood as a minimum slot interval between a slot (slot) where the PDCCH is transmitted and a slot where the data channel scheduled by the slot is transmitted. When K0=0, the data channel transmission and the corresponding PDCCH scheduling is a simultaneous slot scheduling. When the minimum K0 value is greater than or equal to 1, the data channel transmission and the corresponding PDCCH scheduling are cross-slot scheduling, that is, the data channel transmission and the corresponding PDCCH scheduling are performed in different slots, and the difference between the two corresponding slots is the K0 value.

The data channel includes: a Physical Downlink Shared Channel (PDSCH), and/or a Physical Uplink Shared Channel (PUSCH).

For example, as shown in fig. 4, the terminal device is in a low power consumption scenario, and/or in a scenario where only the PDCCH needs to be monitored, and/or in a scenario where CDRX is required, and if the bandwidth of the currently active BWP is greater than the frequency domain bandwidth of CORESET, the operating bandwidth of the radio frequency component of the terminal device is adjusted from the bandwidth of the currently active BWP to the frequency domain bandwidth of CORESET.

Considering the influence of the radio frequency retuning time, taking the PDCCH for scheduling downlink data traffic (i.e., scheduling PDSCH) as an example, if the radio frequency retuning time is greater than the time from receiving DCI for scheduling PDSCH to actually scheduling PDSCH, then the radio frequency related traffic cannot be performed normally in the process of adjusting the working bandwidth of the radio frequency component. For example, if the rf retuning time is about 1-2ms, the rf components cannot receive or transmit wireless signals within the 1-2 ms.

If performance loss caused by the radio frequency retuning time is unacceptable or ignorable for the terminal device or a service carried by the terminal device, the influence of the radio frequency retuning time needs to be eliminated, then the network device needs to support the characteristic of the minimum K0 value, and the minimum K0 value configured by the network device is greater than or equal to N, the size of N depends on the value of the radio frequency retuning time, that is, the duration of N time slots is greater than or equal to the radio frequency retuning time, and N is a positive integer. In this way, at least N time slots may be used to adjust the operating bandwidth of the radio frequency component between the time when the terminal device receives the DCI for scheduling the PDSCH and the time when the PDSCH is actually scheduled.

If the performance loss caused by the radio frequency readjustment time is acceptable or negligible for the terminal device or the service carried by the terminal device, the scheme has no additional requirements on the configuration or capability of the network device and the configuration or capability of the terminal device. That is, the nature and magnitude of the minimum K0 value need not be considered.

As shown in fig. 5, taking the minimum K0 value as 2 and the Sub-Carrier Space (SCS) as 30KHz as an example, assuming that the radio frequency retuning time is less than 2ms, N is 2. That is, the duration of 2 timeslots is greater than the minimum K0 value configured by the network device, so that the radio frequency retuning time does not cause adverse performance impact on the terminal device or the service carried by the terminal device.

Under the condition that the configuration of the minimum K0 value ensures that the radio frequency readjustment time cannot cause adverse performance influence on the terminal equipment or the service carried by the terminal equipment, the radio frequency bandwidth self-adaption can be realized when the PDCCH is used for a data channel. Specifically, the optimal effect of the radio frequency performance is achieved by a radio frequency adjustment algorithm of the terminal device in combination with the conditions of the variance, the change frequency, and the like of the frequency domain range scheduled by the network device.

Illustratively, step 312 is performed in a cell with a bandwidth of 100M. If the CORESET configuration position is at the edge of the cell bandwidth, the terminal equipment is not in a CDRX state, after the terminal equipment resides in the cell, the network equipment does not schedule any service, the terminal equipment is in a connection state and only needs to monitor a PDCCH, and the radio frequency power consumption is detected to be P1. If the CORESET configuration position is around the central frequency point of the cell, the terminal equipment is not in the CDRX state, the network equipment does not schedule any service, the terminal equipment is in the connection state and only needs to monitor the PDCCH, and the radio frequency power consumption is detected to be P2. It can be seen that P1 is greater than P2. The minimum K0 value corresponding to the PDCCH may be any minimum K0 value supported by the terminal device.

Step 314: determining a first operating bandwidth of the radio frequency component based on the CORESET configuration if the minimum time interval is greater than or equal to the radio frequency retuning time;

wherein the minimum time interval is a time interval between a time when Downlink Control Information (DCI) is received and a start time of a next CDRX duration.

In some embodiments, step 314 is performed in the context of the terminal device receiving a Wake Up Signal (WUS).

The minimum time interval is determined by at least one of:

configured by the network device;

reporting to the network device by the terminal device.

Illustratively, the terminal device is in a scenario of receiving WUS. In a scenario where the terminal device receives the WUS, if the terminal device has no service, only DCI of a specific format, such as DCI 2_6, needs to be monitored, and then the radio frequency bandwidth of the terminal device satisfies the bandwidth required for monitoring DCI 2_6. As shown in fig. 4, the operating bandwidth of the radio frequency components of the terminal device is adjusted from the bandwidth of the currently active BWP to the frequency domain bandwidth of CORESET.

In a scenario in which the terminal device receives the WUS, the terminal device does not initiate a service immediately after receiving DCI 2 \ u 6, but waits for the start of a CDRX Duration (CDRX on Duration). Therefore, considering the influence of the radio frequency retuning time, if the radio frequency retuning time is less than or equal to the time interval between the time of receiving DCI 2_6 and the starting time of the next CDRX duration period, the radio frequency retuning time does not cause performance loss of the terminal device or the service carried by the terminal device.

If the performance loss caused by the radio frequency retuning time is acceptable or negligible for the terminal device or the traffic carried by the terminal device, this scheme has no extra requirement on the configuration or capability of the network device and the configuration or capability of the terminal device, that is, the size of the time interval between the time of receiving DCI 2_6 and the starting time of the next CDRX duration period does not need to be considered.

As shown in fig. 6, the terminal device receives the WUS, and a time interval between a time of receiving DCI 2 xu 6 and a start time of a next CDRX duration is a minimum time interval Value (MinTimeGap Value). The radio frequency readjustment time of the terminal equipment is smaller than the minimum time interval value, so that the radio frequency readjustment time cannot cause adverse performance influence on the terminal equipment or the service borne by the terminal equipment.

The minimum time interval values are shown in table 1.

TABLE 1 minimum time interval value X

Step 330: adjusting the working bandwidth of the radio frequency component to a first working bandwidth;

the terminal equipment receives or transmits wireless signals through the radio frequency assembly on the first working bandwidth.

Step 350: monitoring a downlink control channel in a first working bandwidth;

and the terminal equipment monitors the PDCCH in the first working bandwidth, or the terminal equipment receives the PDCCH in the first working bandwidth.

Step 370: and under the condition that the downlink control channel bears the scheduling information of the data channel, adjusting the working bandwidth of the radio frequency assembly from the first working bandwidth to the second working bandwidth.

Wherein the second operating bandwidth is greater than the first operating bandwidth, the second operating bandwidth being determined by a frequency domain bandwidth of the scheduled data channel or by a bandwidth of a currently active BWP.

That is, in case the PDCCH is used for scheduling PDSCH and/or PUSCH, the operating bandwidth of the radio frequency components is adjusted from the first operating bandwidth to the second operating bandwidth.

Fig. 7 is a block diagram illustrating an apparatus for determining a radio frequency bandwidth according to some exemplary embodiments of the present application. The apparatus includes at least some of the following determining module 720, adjusting module 740, receiving module 760, and sending module 780:

a determining module 720, configured to determine a first operating bandwidth of the radio frequency component based on the CORESET configuration;

an adjusting module 740, configured to adjust an operating bandwidth of the radio frequency component to the first operating bandwidth.

In some embodiments, the CORESET configuration includes a frequency domain bandwidth of CORESET;

the determining module 720 is configured to determine the first operating bandwidth of the radio frequency component based on the frequency domain bandwidth of the CORESET when the bandwidth of the currently active BWP is greater than the frequency domain bandwidth of the CORESET.

In some embodiments, the receiving module 760 is configured to listen to a downlink control channel in the first operating bandwidth;

the determining module 720 is configured to adjust the working bandwidth of the radio frequency component from the first working bandwidth to a second working bandwidth when the downlink control channel carries data channel scheduling information;

In some embodiments, the determining module 720 is configured to determine the first operating bandwidth of the radio frequency component based on the CORESET configuration when the minimum K0 value corresponding to the downlink control channel is greater than or equal to N;

the duration of the N time slots is greater than or equal to the radio frequency readjustment time, and N is a positive integer.

In some embodiments, the receiving module 760 is configured to monitor a downlink control channel and/or in a scenario where CDRX is discontinuously received in a connected state.

In some embodiments, the minimum K0 value corresponding to the downlink control channel is determined by at least one of the following manners:

receiving, by the receiving module 760, a configuration of a network device;

and reported to the network device by the sending module 780.

In some embodiments, the determining module 720 is configured to determine the first operating bandwidth of the radio frequency component based on the CORESET configuration if the minimum time interval is greater than or equal to a radio frequency retuning time;

wherein the minimum time interval is a time interval between a time when the downlink control information DCI is received and a starting time of a next CDRX duration.

In some embodiments, the receiving module 760 receives the wake up signal WUS.

In some embodiments, the minimum time interval is determined by at least one of:

receiving, by the receiving module 760, a configuration of a network device;

and reported to the network device by the sending module 780.

In some embodiments, the radio frequency retuning time refers to the time required for the operating bandwidth of the radio frequency component to adjust between two different operating bandwidths.

In summary, the apparatus provided in this embodiment supports determining the first operating bandwidth of the radio frequency component through the CORESET configuration, so that the apparatus operates on the actually required bandwidth, thereby avoiding the waste of the bandwidth and saving the power consumption.

It should be noted that: the apparatus provided in the foregoing embodiment is only illustrated by dividing the functional modules, and in practical applications, the above function allocation may be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to complete all or part of the above described functions.

The specific manner in which the respective modules perform operations has been described in detail in relation to the apparatus in this embodiment, and will not be elaborated upon here.

Fig. 8 is a schematic structural diagram of a terminal device according to some exemplary embodiments of the present application, where the terminal device 800 includes: a processor 801, a receiver 802, a transmitter 803, a memory 804 and a bus 805.

The processor 801 includes one or more processing cores, and the processor 801 executes various functional applications and information processing by running software programs and modules. In some embodiments, the processor 801 may be used to implement the functions and steps of the determination module 720 and/or the adjustment module 740 described above.

The receiver 802 and the transmitter 803 may be implemented as one communication component, which may be a piece of communication chip. In some embodiments, the receiver 802 may be used to implement the functions and steps of the receiving module 760 as described above. In some embodiments, the transmitter 803 may be used to implement the functions and steps of the transmit module 780 described above.

The memory 804 is coupled to the processor 801 by a bus 805. The memory 804 may be used to store at least one instruction for execution by the processor 801 to implement the various steps in the method embodiments described above.

Further, the memory 804 may be implemented by any type or combination of volatile or non-volatile storage devices, including, but not limited to: magnetic or optical disks, electrically Erasable Programmable Read-Only memories (EEPROMs), erasable Programmable Read-Only memories (EPROMs), static Random-Access memories (SRAMs), read-Only memories (ROMs), magnetic memories, flash memories, programmable Read-Only memories (PROMs).

In some embodiments, receiver 802 receives signals/data independently, or processor 801 controls receiver 802 to receive signals/data, or processor 801 requests receiver 802 to receive signals/data, or processor 801 coordinates receiver 802 to receive signals/data.

In some embodiments, transmitter 803 sends signals/data independently, or processor 801 controls transmitter 803 to send signals/data, or processor 801 requests transmitter 803 to send signals/data, or processor 801 coordinates transmitter 803 to send signals/data.

In an exemplary embodiment of the present application, a computer-readable storage medium is further provided, in which at least one program is stored, and the at least one program is loaded and executed by a processor, and the computer-readable storage medium is configured to implement the method for determining a radio frequency bandwidth provided by each of the above-mentioned method embodiments.

In an exemplary embodiment of the present application, there is also provided a chip, which includes programmable logic circuits and/or program instructions, and is configured to implement the method for determining a radio frequency bandwidth provided by the above method embodiments when the chip is run on a communication device.

In an exemplary embodiment of the present application, there is also provided a computer program product which, when run on a processor of a computer device, causes the computer device to perform the above-mentioned method of determining a radio frequency bandwidth.

In an exemplary embodiment of the present application, there is also provided a computer program, which includes computer instructions, which are executed by a processor of a computer device, so that the computer device executes the above-mentioned method for determining a radio frequency bandwidth.

Those skilled in the art will recognize that the functionality described in the embodiments of the present application may be implemented in hardware, software, firmware, or any combination thereof, in one or more of the examples described above. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.

The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A method for determining a radio frequency bandwidth, the method being performed by a terminal device, the method comprising:

2. The method of claim 1, wherein the CORESET configuration comprises a frequency domain bandwidth of CORESET;

the determining a first operating bandwidth of a radio frequency component based on a CORESET configuration includes:

determining the first operating bandwidth of the radio frequency component based on the frequency domain bandwidth of the CORESET in the case that the bandwidth of the currently active BWP is greater than the frequency domain bandwidth of the CORESET.

3. The method according to claim 1 or 2, characterized in that the method further comprises:

monitoring a downlink control channel in the first working bandwidth;

under the condition that the downlink control channel bears data channel scheduling information, adjusting the working bandwidth of the radio frequency assembly from the first working bandwidth to a second working bandwidth;

4. The method of claim 3, wherein determining the first operating bandwidth of the radio frequency component based on the CORESET configuration comprises:

determining the first working bandwidth of the radio frequency component based on the CORESET configuration under the condition that the minimum K0 value corresponding to the downlink control channel is greater than or equal to N;

5. The method according to claim 4, wherein the method is performed in a scenario of monitoring a downlink control channel and/or a scenario of Connected Discontinuous Reception (CDRX).

6. The method according to claim 4 or 5, wherein the minimum value of K0 corresponding to the downlink control channel is determined by at least one of:

configured by a network device;

and reporting to the network equipment by the terminal equipment.

7. The method of claim 3, wherein determining the first operating bandwidth of the radio frequency component based on the CORESET configuration comprises:

determining the first operating bandwidth of the radio frequency component based on the CORESET configuration if the minimum time interval is greater than or equal to a radio frequency retuning time;

8. The method of claim 7, wherein the method is performed in a scenario where a wake-up signal WUS is received.

9. The method according to claim 7 or 8, wherein the minimum time interval is determined by at least one of:

configured by a network device;

and reporting to the network equipment by the terminal equipment.

10. The method of any of claims 4 to 9, wherein the radio frequency retuning time is a time required for the operating bandwidth of the radio frequency component to be adjusted between two different operating bandwidths.

11. An apparatus for determining a radio frequency bandwidth, the apparatus comprising:

12. The apparatus of claim 11, wherein the CORESET configuration comprises a frequency domain bandwidth of CORESET;

the determining module is configured to determine the first working bandwidth of the radio frequency component based on the frequency domain bandwidth of the CORESET when the bandwidth of the currently activated BWP is greater than the frequency domain bandwidth of the CORESET.

13. The apparatus of claim 11 or 12, further comprising:

a receiving module, configured to monitor a downlink control channel in the first working bandwidth;

the determining module is configured to adjust the working bandwidth of the radio frequency component from the first working bandwidth to a second working bandwidth when the downlink control channel carries data channel scheduling information;

14. The apparatus of claim 13,

the determining module is configured to determine the first working bandwidth of the radio frequency component based on the CORESET configuration when a minimum K0 value corresponding to the downlink control channel is greater than or equal to N;

15. The apparatus of claim 14, wherein the receiving module is configured to monitor a downlink control channel and/or in a scenario of discontinuous reception (CDRX) in a connected state.

16. The apparatus according to claim 14 or 15, wherein the minimum K0 value corresponding to the downlink control channel is determined by at least one of:

configured by a network device;

and reporting to the network equipment by the terminal equipment.

17. The apparatus of claim 13,

the determining module is configured to determine the first operating bandwidth of the radio frequency component based on the CORESET configuration when the minimum time interval is greater than or equal to a radio frequency retuning time;

18. The apparatus of claim 17, wherein the receiving module is configured to receive a wake up signal WUS.

19. The apparatus according to claim 17 or 18, wherein the minimum time interval is determined by at least one of:

configured by a network device;

and reporting to the network equipment by the terminal equipment.

20. The apparatus of any of claims 14 to 19, wherein the radio frequency retuning time is a time required for the operating bandwidth of the radio frequency component to adjust between two different operating bandwidths.

21. A terminal device, characterized in that the terminal device comprises:

a processor;

a transceiver coupled to the processor;

a memory for storing executable instructions of the processor;

wherein the processor is configured to load and execute the executable instructions to implement the method for determining a radio frequency bandwidth according to any one of claims 1 to 10.

22. A computer-readable storage medium having stored thereon executable instructions that are loaded and executed by a processor to implement the method for determining a radio frequency bandwidth according to any one of claims 1 to 10.

23. A chip comprising a programmable logic circuit or a program, said chip being adapted to implement the method for determining a radio frequency bandwidth according to any one of claims 1 to 10.

24. A computer program product comprising computer instructions stored in a computer-readable storage medium, the computer instructions being read from the computer-readable storage medium by a processor of a computer device, the computer instructions being executed by the processor to cause the computer device to perform the method for determining a radio frequency bandwidth according to any one of claims 1 to 10.

25. A computer program comprising computer instructions which, when executed by a processor of a computer device, cause the computer device to carry out the method for determining a radio frequency bandwidth according to any one of claims 1 to 10.