CN115767696A - A network energy-saving dynamic bandwidth switching method and device - Google Patents

Abstract

The present application discloses a method for network energy-saving dynamic bandwidth switching, which includes the following steps: determining the first configuration information, configuring M uplink BWPs and/or N downlink BWPs; the M uplink BWPs include the first uplink BWP, and the cell All terminal devices in the terminal device group preferentially use the first uplink BWP to complete the random access process; the N downlink BWPs include the first downlink BWP, and the first downlink BWP includes downlink control channel resources of the cell terminal device group , preferentially use the first downlink BWP to transmit downlink control information; use the terminal equipment group common downlink control signaling on the first downlink BWP to indicate the uplink BWP and/or downlink BWP switching information and the switched uplink BWP and/or downlink The data scheduling information of the BWP; after the data transmission ends, the terminal automatically switches back to the first downlink BWP, and continues to monitor the downlink control information on the first downlink BWP. The present application also includes means for carrying out the method. The purpose of this application is to realize network energy saving in the frequency domain.

Description

A network energy-saving dynamic bandwidth switching method and device

technical field

The present application relates to the technical field of wireless communication, and in particular to a method and device for network energy-saving dynamic bandwidth switching.

Background technique

Mobile communication networks are becoming more and more dense, with more antennas, larger bandwidths, and more frequency bands. New solutions need to be developed to improve network energy efficiency. Most of the energy consumption of the mobile communication network comes from the wireless access network. The transmission and reception bandwidth of the base station has a great influence on the power consumption of the base station. The transmission and reception bandwidth of the base station can be dynamically and adaptively reduced to save the power consumption of the base station.

3GPP introduces BWP technology for terminal energy saving. The terminal does not need to support all carrier bandwidths, but only needs to meet the minimum bandwidth requirements, which is conducive to reducing the cost of the terminal. When the terminal traffic is not large, it can switch to low-bandwidth operation to reduce terminal power consumption. The network dynamically configures different BWPs for terminals according to service requirements.

However, from the perspective of the network side of the BWP technology, multiple BWPs will bring complexity on the network side, such as including BWP switching and configuration of various resources in multiple BWPs, which is not conducive to energy saving on the network side. The division of multiple small BWPs will lead to redundancy and fragmentation of resources in the carrier bandwidth, which is not conducive to the business demand of high-traffic mobile phones for peak bandwidth. In addition, the BWP switching mechanism is that the base station respectively instructs the terminals residing on its cell to perform downlink and/or uplink BWP switching. In order to instruct all terminals to perform BWP switching, a large number of uplink and downlink BWP switching instructions will be required. Switching BWP to a terminal-specific downlink control signaling format, such as DCI format 0_1/0_2/1_1/1_2, will bring downlink overhead and power consumption, and technical improvement is required to avoid the BWP switching instruction of each terminal. overhead and power consumption.

In addition, during multi-base station data transmission, the dynamic switch of the base station can play a role in energy saving. If the dynamic switching of multiple base stations dedicated to the terminal is used for the dynamic opening and closing of the base station, there will be the following problems. When multiple base stations have the same configuration BWP, when configuring different CORESETPoolIndex to distinguish between different base stations, switching between multiple base stations cannot achieve the energy saving effect of the base station. Handover signaling is implemented, and frequent BWP switching will bring terminal signaling overhead and terminal power loss.

Contents of the invention

This application proposes a method and device for network energy-saving dynamic bandwidth switching, which solves the problem of high energy consumption in mobile communication networks, especially by dynamically and adaptively reducing the transceiver bandwidth of base stations to achieve network energy conservation in the frequency domain.

In a first aspect, a network energy-saving dynamic bandwidth switching method includes the following steps:

determining first configuration information, where the first configuration information is used to configure M uplink BWPs and/or N downlink BWPs;

The M uplink BWPs include a first uplink BWP, and the first uplink BWP includes random access resources of a cell terminal device group, and all terminal devices in the cell terminal device group preferentially use the first uplink BWP to complete random access process;

The N downlink BWPs include the first downlink BWP, and the first downlink BWP includes the downlink control channel resources of the cell terminal device group, between the network device and all the terminal devices of the cell terminal device group, priority using the first downlink BWP to transmit downlink control information;

The uplink BWP and/or downlink BWP switching is indicated by using the common downlink control signaling of the terminal equipment group.

A network energy-saving dynamic bandwidth switching method proposed in the first aspect of the present application is used for network equipment and includes the following steps:

Sending or receiving first configuration information, where the first configuration information is used to configure M uplink BWPs and/or N downlink BWPs;

The M uplink BWPs include a first uplink BWP, and the first uplink BWP includes random access resources of a cell terminal device group, and the network device preferentially uses the first uplink BWP to complete the cell terminal device group The random access process of all terminal devices;

The N downlink BWPs include a first downlink BWP, and the first downlink BWP includes downlink control channel resources of a cell terminal device group, and the network device preferentially uses the first downlink BWP to send messages to the cell All terminal devices in the terminal device group send downlink control information;

The common downlink control signaling of the terminal device group is sent at the first downlink BWP, and the signaling indicates switching of the uplink BWP and/or downlink BWP.

A network energy-saving dynamic bandwidth switching method proposed in the first aspect of the present application is used for a terminal device and includes the following steps:

receiving first configuration information, where the first configuration information is used to configure M uplink BWPs and/or N downlink BWPs;

The M uplink BWPs include a first uplink BWP, and the first uplink BWP includes random access resources of a cell terminal device group, and any terminal device in the cell terminal device group preferentially uses the first uplink BWP Complete the random access process;

The N downlink BWPs include a first downlink BWP, and the first downlink BWP includes downlink control channel resources of a cell terminal device group, and any terminal device in the cell terminal device group preferentially uses the first The downlink BWP receives downlink control information;

Receive the common downlink control signaling of the terminal equipment group, where the signaling indicates the switching of the uplink BWP and/or downlink BWP.

In the implementation of any one of the network energy-saving dynamic bandwidth switching methods described in the first aspect of the present application, preferably, the bandwidth of the first uplink BWP is smaller than other uplink BWPs, and/or, the bandwidth of the first downlink BWP smaller than other downlink BWPs.

In any embodiment of the network energy-saving dynamic bandwidth switching method described in the first aspect of the present application, preferably, at least one of the following steps is included:

In response to the condition that the amount of uplink service data is less than a first set threshold, use the first uplink BWP to transmit the uplink service data;

In response to a condition that the amount of downlink service data is less than a second set threshold, the first downlink BWP is used to transmit the downlink service data.

Further preferably, at least one of the following steps is included:

Determine the first downlink signaling, which includes indication information for switching from the first uplink BWP to any m of other uplink BWPs, m=1~M-1;

Determine the second downlink signaling, which includes indication information for switching from the first downlink BWP to any n of other downlink BWPs, where n=1～N-1;

Determine the third downlink signaling, which includes indication information for switching from the first uplink BWP to any m of other uplink BWPs, and from the first downlink BWP to any n of other downlink BWPs, m=1~M-1 , n=1～N-1.

Further, in response to the end of data transmission in the indicated time-frequency resource of the uplink data, switch to the first uplink BWP; and/or, in response to the end of data transmission in the indicated time-frequency resource of the downlink data, Switch to the first downlink BWP.

Further, the method of the first aspect of the present application includes at least one of the following options:

The first downlink signaling is also used to indicate the time-frequency resources of uplink data and/or switch the number of continuous uplink BWP time slots;

The second downlink signaling is also used to indicate the time-frequency resources of the downlink data and or switch the number of continuous time slots of the downlink BWP;

The third downlink signaling is also used to indicate time-frequency resources of uplink and downlink data and/or the number of continuous time slots for switching uplink and downlink BWP.

Further, the method of the first aspect of the present application includes at least one of the following options:

Determine the second configuration information, the second configuration information is used to configure the data structure of the first downlink signaling, and the starting point and information length of the BWP identification information indicated in each block in the first downlink signaling ;

Determine third configuration information, where the third configuration information is used to configure the data structure of the second downlink signaling, and the starting point and information length of the BWP identification information indicated in each block in the second downlink signaling;

Determine fourth configuration information, where the fourth configuration information is used to configure the data structure of the third downlink signaling, and the starting point and information length of the BWP identification information indicated in each block in the third downlink signaling.

Further preferably, the embodiment of the first aspect of the present application further includes: determining fifth configuration information, the fifth configuration information being used for at least one of the following:

indicating in the first uplink BWP a frequency range dedicated to the target terminal device;

indicating in the first downlink BWP a frequency range dedicated to the target terminal device;

Indicating in the M uplink BWPs a frequency range dedicated to the target terminal device in any m uplink BWPs;

The frequency range dedicated to the target terminal device in any n downlink BWPs is indicated in the Nth downlink BWP.

Further preferably, the downlink control signaling is scrambled with RNTI, and the RNTI is dedicated to group common downlink control signaling of BWP switching; the terminal equipment group common downlink control signaling includes the first downlink signaling, the second At least one of the downlink signaling and the third downlink signaling.

In the second aspect, the present application proposes a network device for implementing the network energy-saving dynamic bandwidth switching method described in any one of the first aspects of the present application, at least one module in the network device is used for at least one of the following functions:

sending or receiving the first configuration information;

Responding to the condition that the amount of uplink service data is less than a first set threshold, using the first uplink BWP to receive the uplink service data;

In response to the condition that the amount of downlink service data is less than a second set threshold, use the first downlink BWP to send the downlink service data;

Receiving and determining at least one of the second configuration information, the third configuration information, the fourth configuration information, and the fifth configuration information; or, determining and sending the second configuration information, the third configuration information, the fourth configuration information, and the fifth configuration information at least one of;

Sending the first downlink signaling according to the second configuration information, or sending the second downlink signaling according to the third configuration information, or sending the third downlink signaling according to the fourth configuration information;

In response to the first downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated uplink BWP to receive uplink data, or, in response to the second downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated downlink BWP or, in response to the third downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated uplink BWP to receive uplink data, and simultaneously switch to the time-frequency resource and time slot corresponding to the indicated downlink BWP to send downlink data.

In response to the end of data transmission in the indicated time-frequency resource of the uplink data, switch to the first uplink BWP;

In response to the end of data transmission in the indicated time-frequency resource of the downlink data, switch to the first downlink BWP.

In the third aspect, the present application proposes a terminal device, which is used to implement the network energy-saving dynamic bandwidth switching method described in any one of the embodiments of the first aspect of the present application, at least one module in the terminal device is used for at least one of the following functions :

receiving the first configuration information;

In response to the condition that the amount of uplink service data is less than a first set threshold, use the first uplink BWP to send the uplink service data;

Responding to the condition that the amount of downlink service data is less than a second set threshold, using the first downlink BWP to receive the downlink service data;

receiving and determining at least one of the second configuration information, the third configuration information, the fourth configuration information, and the fifth configuration information;

Sending the first downlink signaling according to the second configuration information, or sending the second downlink signaling according to the third configuration information, or sending the third downlink signaling according to the fourth configuration information;

In response to the first downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated uplink BWP to send uplink data, or, in response to the second downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated downlink BWP or, in response to the third downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated uplink BWP to send uplink data, and simultaneously switch to the time-frequency resource and time slot corresponding to the indicated downlink BWP to receive downlink data.

In response to the end of data transmission in the indicated time-frequency resource of the uplink data, switch to the first uplink BWP;

In response to the end of data transmission in the indicated time-frequency resource of the downlink data, switch to the first downlink BWP.

In a fourth aspect, the present application also proposes a communication device, including: a memory, a processor, and a computer program stored in the memory and operable on the processor, when the computer program is executed by the processor Implement the steps of the method described in any one embodiment of the first aspect of the present application.

In the fifth aspect, the present application also proposes a computer-readable medium, on which a computer program is stored, and when the computer program is executed by a processor, the computer program as described in any one of the embodiments of the first aspect of the present application is implemented. method steps.

In the sixth aspect, this application also proposes a mobile communication system, including at least one network device as described in any embodiment of the second aspect of the application and/or at least one network device as described in any embodiment of the third aspect of the application. Terminal Equipment.

The above at least one technical solution adopted in the embodiment of the present application can achieve the following beneficial effects:

The patent of the present invention proposes a method for energy saving in the frequency domain on the network side. By configuring the common BWP information for the terminal and using the public information of the terminal group to perform BWP switching, the adaptive use of the frequency resource on the network side can be realized. The designed solution is passed Combining high-level configuration information with dynamic downlink control signaling, one downlink signaling indicates BWP switching information for multiple terminals. Compared with BWP dynamic switching realized by terminal-specific BWP configuration and dynamic downlink control signaling, network-side The division of multiple small BWPs causes redundancy and fragmentation of resources within the carrier bandwidth, which is conducive to energy saving on the network side, and at the same time reduces the signaling and power consumption of BWP switching for a large number of terminals under network coverage. In order to save network energy consumption, gNB can run with a narrower bandwidth when the traffic is small, and if a larger data packet arrives, gNB can use a larger bandwidth to send/receive data.

Description of drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation to the application. In the attached picture:

Fig. 1 is the embodiment flowchart of the application method;

FIG. 2 is a schematic diagram of network energy-saving BWP;

Fig. 3 (a) BWP handover instruction information of the first downlink signaling;

FIG. 3(b) BWP switching indication information of the second downlink signaling;

FIG. 3(c) BWP switching instruction information of the third downlink signaling;

FIG. 4 is a schematic diagram of a BWP dedicated to a target terminal;

FIG. 5 is a flow chart of an embodiment of the method of the present application applied to a network device;

FIG. 6 is a flow chart of an embodiment of the method of the present application applied to a terminal device;

FIG. 7 is a schematic diagram of an embodiment of a network device;

FIG. 8 is a schematic diagram of an embodiment of a terminal device;

FIG. 9 is a schematic structural diagram of a network device according to another embodiment of the present invention;

Fig. 10 is a block diagram of a terminal device according to another embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

Fig. 1 is a flowchart of an embodiment of the method of the present application.

A network energy-saving dynamic bandwidth switching method, comprising the following steps:

Step 101. Determine configuration information, the configuration information is used to configure M uplink BWPs and/or N downlink BWPs;

To configure the dedicated BWP for energy saving, at least one of the following configuration information is determined and sent to the network device or the terminal device by high-level signaling, or sent by the network device to the terminal device.

The first configuration information is used to configure M uplink BWPs and/or N downlink BWPs, the M uplink BWPs include a first uplink BWP, and the first uplink BWP includes random access resources of a cell terminal device group , the first uplink BWP is preferentially used to complete the random access process; the N downlink BWPs include the first downlink BWP, and the first downlink BWP includes the downlink control channel resources of the cell terminal equipment group, which are preferentially used The first downlink BWP transmits downlink control information.

The first downlink BWP includes at least the frequency domain of CORESET0 and the downlink control channel, and the other BWPs include at least the downlink data channel; the first uplink BWP at least configures random access resources. The first configuration information is configured by SIB1 or RRC signaling.

Further preferably, the fifth configuration information is determined, and the fifth configuration information is used for at least one of the following: in the first uplink BWP, indicating a frequency range dedicated to the target terminal device; in the first downlink BWP Indicate the frequency range dedicated to the target terminal device; indicate the frequency range dedicated to the target terminal device in any m uplink BWPs in the M uplink BWPs; indicate the dedicated frequency range in any n downlink BWPs in the Nth downlink BWP in the frequency range of the target terminal equipment.

As an embodiment of this step, the first configuration information is broadcast signaling and sent to all terminal devices, and the first configuration information is carried in the SIB1 information.

In this step, the base station divides the entire downlink system bandwidth into N sections, identifies the BWP of the nth (n=1, 2, ... N) frequency bandwidth as BWPC-DL-ID n, and passes the first configuration information The configured N BWPs are broadcast to all terminal devices, and the configuration information of the first configuration information includes the starting positions of the N downlink BWPs, RB bandwidth and subcarrier spacing.

The base station divides the entire uplink system bandwidth into M segments, wherein the BWP identifier of the mth (m=1,...,M) segment frequency bandwidth is BWPC-UL-ID m. The configured M BWs are broadcast to all terminal devices through broadcast signaling through the first configuration information, and the configuration information of the first configuration information includes starting positions of N uplink BWPs, RB bandwidth and subcarrier spacing.

As another embodiment of this step, the first configuration information is sent to the terminal device as RRC signaling to indicate M uplink BWPs and N downlink BWPs, and the RRC signaling is common signaling of the terminal. The first configuration information is RRC signaling, and the base station configures the first configuration information common to terminals to the terminal equipment. For example, the base station configures the information of N downlink BWPs to the terminal device in configuring the initial downlink BWP in the first RRC signaling. In the non-standalone system (NSA), the first configuration information may be included in the DownlinkconfigCommon configuration. In the initialDownlinkBWP signaling (3GPPTS38.331), in the stand-alone system (SA), the first configuration information may be included in the initialDownlinkBWP signaling in the DownlinkConfigCommonSIB configuration.

As an embodiment of the terminal device in this step, the terminal device receives the first configuration information, and at the same time configures the first downlink BWP as a dedicated BWP for energy saving, the first downlink BWP includes at least the frequency domain of CORESET0 and or the downlink control channel PDCCH, Other downlink BWPs include at least downlink data channels. The first downlink BWP is a special BWP for energy saving. When the data packets of the user terminals connected to the network equipment are small, in order to save network energy, the base station schedules all the user terminals on the first downlink BWP. The bandwidth of row BWP is narrow. Preferably, the first downlink BWP includes at least the frequency domain of CORESET0 and or the downlink control channel PDCCH, which is used for receiving broadcast channels and downlink control signaling for BWP switching. BWPs other than the first downlink BWP are used for network equipment to serve terminal equipment that needs to send/receive larger data packets. Other BWPs may have larger bandwidths, and preferred other BWPs only have downlink data channels. After the downlink control signaling for downlink BWP switching is configured on the network device, the terminal device switches from the first downlink BWP to the indicated BWP, receives downlink data, and switches back to the first downlink immediately after receiving or after the indicated first time. The downlink BWP enables network devices to work on a narrower bandwidth as much as possible, which is used for network energy saving.

As another embodiment of the terminal device in this step, the terminal device receives the first configuration information, and at the same time configures the first uplink BWP as a dedicated energy-saving BWP, and the first uplink BWP includes at least the configured random access resources. The terminal device initiates a random access process on the first uplink BWP, and the scheduling of other uplink data of the terminal device is based on the uplink scheduling information indicated by the group common switching signaling carried by the downlink control channel received at the first downlink BWP. The uplink data is sent on the time slot on the uplink time-frequency resource of the indicated uplink BWP.

Step 102, using the first uplink BWP and the first downlink BWP to transmit uplink and downlink service data.

In response to the condition that the amount of uplink service data is less than a first set threshold, using the first uplink BWP to transmit the uplink service data between the network device and the terminal devices of the terminal device group;

In response to a condition that the amount of downlink service data is less than a second set threshold, the first downlink BWP is used to transmit the downlink service data between the network device and the terminal devices of the terminal device group.

Step 103: Instruct the switching of the first uplink BWP and/or the first downlink BWP by using the common downlink control signaling of the terminal equipment group.

The terminal device is instructed to switch from the first uplink BWP and/or the first downlink BWP to other uplink and/or downlink BWPs through the common downlink control signaling of the terminal device group.

The common downlink control signaling of the terminal device group includes at least one of the first downlink signaling, the second downlink signaling, and the third downlink signaling.

Determine the first downlink signaling, which includes indication information for switching from the first uplink BWP to any m of other uplink BWPs, m=1~M-1; determine the second downlink signaling, which includes information from the first downlink BWP BWP switching to any n of other downlink BWPs, n=1～N-1; determine the third downlink signaling, which includes switching from the first uplink BWP to any m of other uplink BWPs, starting from the first downlink BWP Indication information for switching the row BWP to any n of other downlink BWPs, m=1˜M−1, n=1˜N−1.

Further, the first downlink signaling is also used to indicate the time-frequency resources of the uplink data and/or switch the number of continuous time slots of the uplink BWP; the second downlink signaling is also used to indicate the time-frequency of the downlink data Resources and or the number of continuous time slots for switching the downlink BWP; the third downlink signaling is also used to indicate the time-frequency resources of uplink and downlink data and/or the number of time slots for switching the uplink and downlink BWP.

Further, in order to determine the format and content of the downlink signaling, at least one of the following configuration information is first determined, and is sent to the network device or the terminal device by high-level signaling, or sent by the network device to the terminal device.

Determine the second configuration information, the second configuration information is used to configure the data structure of the first downlink signaling, and the starting point and information length of the BWP identification information indicated in each block in the first downlink signaling ; Determine the third configuration information, the third configuration information is used to configure the data structure of the second downlink signaling, and the starting point and information length of the BWP identification information indicated in each block in the second downlink signaling; Determine fourth configuration information, where the fourth configuration information is used to configure the data structure of the third downlink signaling, and the starting point and information length of the BWP identification information indicated in each block in the third downlink signaling.

Further preferably, the downlink control signaling is scrambled with RNTI, and the RNTI is dedicated to group common downlink control signaling of BWP switching; the terminal equipment group common downlink control signaling includes the first downlink signaling, the second At least one of the downlink signaling and the third downlink signaling.

It should be noted that the first downlink signaling, the second downlink signaling, and the third downlink signaling are common downlink control signaling of a dynamic terminal device group, and carry downlink BWP switching identifiers of multiple terminals. The first downlink signaling, the second downlink signaling, and the third downlink signaling use group common downlink control signaling, and can share CRC bits, thereby significantly reducing CRC overhead. At the same time, the group common downlink first downlink signaling carries BWP identification information of handover of multiple terminals, which is beneficial to save energy.

It should also be noted that the first downlink signaling, the second downlink signaling, and the third downlink signaling are scrambled with the first identifier (new RNTI). The first identifier (new RNTI) is a newly defined RNTI (BWP-RNTI) for BWP group common signaling switching, which is dedicated to CRC scrambling of the downlink control channel PDCCH for sending the signaling, and the terminal detects the BWP - The PCCH scrambled by the RNTI can be determined to be group common downlink control signaling for BWP switching.

Step 104, automatically switching from other uplink and/or downlink BWPs to the first uplink BWP and/or the first downlink BWP.

Further, in response to the end of data transmission in the indicated time-frequency resource of the uplink data, switch to the first uplink BWP; and/or, in response to the end of data transmission in the indicated time-frequency resource of the downlink data, Switch to the first downlink BWP.

Fig. 2 is a schematic diagram of network energy saving BWP. The downlink BWP configuration is taken as an example. As shown in the figure, the base station includes configuration information of N downlink BWPs in the first configuration information, and the configuration information is the same for all terminals. The configuration information of each downlink BWP (BWPC_DL_1, BWPC_DL_2, ..., BWPC_DL_N) includes the location, bandwidth and subcarrier spacing of the downlink BWP. The bandwidths of the N downlink BWPs are configured according to the traffic supported by the terminal, and different downlink BWPs support different traffic. The network device configures different downlink BWPs for different terminals according to the self-adaptive traffic requirements of the terminals. For example, when the traffic volume of the terminal is not large, the base station can configure the terminal to the low-bandwidth downlink BWP. The base station also configures one of the first downlink BWPs (BWPC_DL_3) as energy-saving BWP in the first configuration information, and the active BWP of terminal device 1 is network energy-saving BWPC_DL_3. When a large data packet arrives at the network device, the terminal device is instructed to switch to BWPC_2 to After receiving the large data packet in the downlink data channel PDSCH, after receiving the PDSCH, the UE switches back to the network energy-saving BWPC_DL_3 immediately after receiving the PDSCH of the current time slot or after receiving the first time continuously.

Fig. 3 BWP switching indication information of downlink signaling, wherein (a) first downlink signaling, (b) second downlink signaling, (c) third downlink signaling. The specific instructions are as follows:

(a) First downlink signaling. The base station adopts the first control channel format to bear the first downlink signaling indicating uplink BWP switching information, and time-frequency resources of uplink data occupied by switching to BWP, and/or the number of continuous time slots.

In order not to increase the detection complexity of the terminal, the number of DCI sizes corresponding to the downlink control channel of the first downlink signaling should consider the DCI load budget in the R15 protocol. Align the DCI payload of the second downlink signaling with the DCI format 1_0 size.

When the base station configures the same BWP-RNTI for multiple terminals, the common first downlink signaling of the terminal device group carries the BWP identification information to be switched by multiple terminals, and defines the first control channel format (DCI format) to indicate uplink BWP switching .

The base station configures the DCI size of the first downlink signaling through the second configuration information, and the starting point S and the occupied length L of the BWP switching information of the terminal indicated by each block. The second configuration The length L of the BWP switching information configured by the information may be different for different terminals. Preferably, the second configuration information is RRC signaling configuration.

Each block in the first line of signaling indicates the uplink BWP identification information to be switched by the corresponding terminal, and the time-frequency resource information of the uplink data that the terminal corresponding to the switched uplink BWP can send, and/or data transmission the number of time slots. The indicated uplink BWP identifier can be a BWP or m BWPs switched to, and the L length information can be a BWP ID or m BWP IDs, and the terminal device receives the block information configured by the second configuration information (starting point S and length L), decoding the corresponding uplink BWP switching information in the first downlink signaling scrambled by the new RNTI, and the time-frequency resource information of the scheduled uplink data, and switching to the uplink corresponding to the corresponding BWP identifier according to the uplink BWP switching information BWP, and perform data transmission on the indicated uplink data time-frequency resource.

After switching to the indicated BWP, the terminal device performs data transmission on the indicated uplink data time-frequency resource, and immediately switches to the network energy-saving BWP after transmission. If the number of time slots for data transmission is also indicated in the first downlink signaling, the terminal device switches to the network energy-saving BWP after performing data transmission on multiple time slots.

The terminal device monitors the first control channel format in the common search space of the network energy-saving BWP, and obtains the first downlink signaling. The time domain position of the common search space is located in the first three symbols of the downlink control channel PDCCH. The terminal device does not perform any reception or transmission in the next symbol or the next time slot after receiving the first downlink signaling until the BWP switching is completed after the first time delay, where the first time delay depends on the terminal Ability.

Alternatively, the terminal device switches back to the energy-saving BWP after a second time delay after the indicated time slot for data transmission.

b) Second downlink signaling. The size of the second downlink signaling is configured by the third configuration information of the base station, and the base station uses the second control channel format to carry the second downlink signaling to indicate downlink BWP switching.

In order not to increase the detection complexity of the terminal, the number of DCI sizes corresponding to the downlink control channel of the second downlink signaling should consider the DCI load budget in the R15 protocol. Align the DCI payload of the second downlink signaling with the DCI format 1_0 size.

When the base station configures the same BWP-RNTI for multiple terminals, the common downlink signaling of the terminal equipment group carries the downlink BWP identification information to be switched by multiple terminals, and defines the second control channel format (DCI format) to indicate downlink BWP switching .

The base station configures the DCI size of the second downlink signaling through the third configuration information, and the starting point S and the occupied length L of the downlink BWP switching information of the terminal indicated by each block. The third configuration The length L of the downlink BWP switching information configured by the information may be different for different terminals. The preferred third configuration information is configured by RRC signaling.

Each block in the second downlink signaling indicates the downlink BWP identification information to be switched by the corresponding terminal, the time-frequency resource information of the downlink data occupied by data scheduling, and/or the number of time slots to be sent, The indicated BWP identifier may be one downlink BWP or n downlink BWPs to be switched to, and the L length information may be one downlink BWP ID or n downlink BWP IDs. The terminal device receives the block information (starting point S and length L) configured by the third configuration information, decodes the corresponding downlink BWP switching information in the second downlink signaling scrambled by the new RNTI, and switches to Corresponding to the downlink BWP corresponding to the BWP identifier, and performing data reception on the time-frequency resources of the indicated downlink data, the number of receiving time slots is 1 or the number of time slots indicated, and switching back to the energy-saving BWP immediately after the data is received.

The second downlink signaling can realize dynamic switching of multiple TRPs, and the format of the group common signaling can reduce signaling overhead.

When multi-base station data is sent, the base station uses the common second downlink signaling of the terminal equipment group to switch BWP. On the one hand, it saves signaling overhead and terminal power consumption. On the other hand, even if some terminals do not support dynamic BWP switching, Dynamic switching of multiple base stations can be realized, so that a certain BWP can be dynamically switched off, that is, the base station configured with the BWP is switched off. For example, base station 1 configures the first configuration information to indicate that BWPC_DL_1 is in the active state for downlink data transmission of terminal equipment, configures BWPC_DL_2 in sleep state for multi-base station transmission, and base station 2 configures the first configuration information to indicate that BWPC_DL_3 is used for terminal equipment. For downlink data transmission, configure BWPC_DL_4 to be in sleep state for multi-base station transmission. When the terminal device receives the first configuration information as BWPC_DL_1 of base station 1 and BWPC_DL_3 of base station 2, the terminal device sends for multiple base stations, and when the terminal device receives the first configuration information as BWPC_DL_1 of base station 1 and BWPC_DL_4 of base station 2, the The terminal device transmits for base station 1, and when the terminal device receives the first configuration information as BWPC_DL_2 of base station 1 and BWPC_DL_3 of base station 2, the terminal device transmits for base station 2, realizing dynamic opening and closing of frequency bandwidth resources transmitted by multiple base stations.

(c) The third downlink signaling. The third downlink signaling is configured by fourth configuration information of the base station, and the base station uses a third control channel format to carry the third downlink signaling to indicate uplink BWP switching and downlink BWP switching.

In order not to increase the detection complexity of the terminal, the number of DCI sizes corresponding to the downlink control channel of the third downlink signaling should consider the DCI load budget in the R15 protocol. Align the DCI payload of the third downlink signaling with the DCI format 1_0 size.

When the base station configures the same BWP-RNTI for multiple terminals, the terminal device group common third downlink signaling carries BWP identification information to be switched by multiple terminals, and defines a new DCI format to indicate BWP switching.

The base station configures the DCI size of the third downlink signaling through the fourth configuration information, and the starting point S and the occupied length L of the uplink BWP switching information of the terminal indicated by each block. The fourth configuration The length L of the uplink BWP switching information configured by the information may be different for different terminals. The preferred fourth configuration information is configured by RRC signaling.

Each block in the third downlink signaling indicates the uplink BWP identification information and downlink BWP identification information to be switched by the corresponding terminal, and the uplink data time-frequency resource information and downlink data time-frequency resource information scheduled by the corresponding terminal And/or the number of time slots for data scheduling, where the indicated BWP identifier can be one BWP or m BWPs switched to the uplink BWP, and one BWP or n BWPs of the downlink BWP, and the L length information can be one uplink BWP ID or m uplink BWP IDs, and one downlink BWP ID or n downlink BWP IDs. The terminal device receives the block information (starting point S and length L) configured by the fourth configuration information, decodes the corresponding BWP switching information in the third downlink signaling scrambled by the new RNTI, and switches to the corresponding uplink BWP identifier according to the BWP switching information. and the downlink BWP corresponding to the downlink BWP identifier, and the data is scheduled on the indicated time-frequency resource, and the duration is the indicated number of time slots.

FIG. 4 is a flow chart of an embodiment of the method of the present application applied to a network device.

A network energy-saving dynamic bandwidth switching method proposed in the first aspect of the present application is used for network equipment and includes the following steps:

Step 201. Send or receive configuration information, where the configuration information is used to configure M uplink BWPs and/or N downlink BWPs.

The network device receives and determines configuration information, where the configuration information includes the first configuration information, and further, may further include the fifth configuration information.

Or, the network device determines and sends the configuration information to the terminal device. The first configuration information is sent by the network device to the cell terminal device group; the fifth configuration information is sent by the network device to the target terminal device.

Step 202: Use the first uplink BWP to receive uplink service data, and use the first downlink BWP to send downlink service data.

Responding to the condition that the amount of uplink service data is less than a first set threshold, using the first uplink BWP to receive the uplink service data;

In response to a condition that the amount of downlink service data is less than a second set threshold, the first downlink BWP is used to send the downlink service data.

Step 203: Send the terminal equipment group common downlink control signaling on the first downlink BWP, the signaling indicates the switching of the uplink BWP and/or downlink BWP information and the data scheduling information of the uplink BWP and/or downlink BWP after switching.

The downlink signaling includes at least one of the first downlink signaling, the second downlink signaling, and the third downlink signaling. determining and sending at least one of the first downlink signaling, the second downlink signaling and the third downlink signaling. Send downlink signaling to switch from the first uplink BWP and/or the first downlink BWP to other uplink and/or downlink BWPs.

Further, the downlink signaling indicates the time-frequency resources and the number of time slots for data scheduling of other uplink BWPs after handover, and/or the time-frequency resources and number of time slots for data scheduling of other downlink BWPs.

The network device receives signaling from a high layer and determines at least one configuration information, or determines at least one configuration information below and sends it to the terminal device.

The configuration information includes at least one of the second configuration information, the third configuration information, and the fourth configuration information.

Step 204, automatically switching from other uplink and/or downlink BWPs to the first uplink BWP and/or the first downlink BWP.

Further, in response to the end of data reception in the indicated time-frequency resource of the uplink data, switching to the first uplink BWP; and/or, in response to the end of data transmission in the indicated time-frequency resource of the downlink data, Switch to the first downlink BWP.

FIG. 5 is a flow chart of an embodiment of the method of the present application applied to a terminal device.

A network energy-saving dynamic bandwidth switching method proposed in the first aspect of the present application is used for a terminal device and includes the following steps:

Step 301: Receive configuration information, where the configuration information is used to configure M uplink BWPs and/or N downlink BWPs.

The configuration information includes the first configuration information, and the configuration information further includes the fifth configuration information.

Step 302. Use the first uplink BWP to send uplink service data, and use the first downlink BWP to receive downlink service data.

In response to the condition that the amount of uplink service data is less than a first set threshold, use the first uplink BWP to send the uplink service data; and/or, in response to the condition that the amount of downlink service data is less than a second set threshold condition, using the first downlink BWP to receive the downlink service data.

Step 303: Receive the common downlink control signaling of the terminal equipment group, and the signaling indicates the switching of the uplink BWP and/or downlink BWP.

The downlink signaling includes at least one of the first downlink signaling, the second downlink signaling, and the third downlink signaling. The terminal device receives and determines at least one of the first downlink signaling, the second downlink signaling, and the third downlink signaling. The terminal device receives the first downlink signaling, the second downlink signaling or the third downlink signaling to obtain the handover BWP identification information. In response to the downlink signaling, switch from the first uplink BWP and/or the first downlink BWP to other uplink and/or downlink BWPs.

The terminal device receives and determines at least one configuration information from high-layer signaling or network devices. The configuration information includes at least one of the second configuration information, the third configuration information, and the fourth configuration information.

The terminal receives the group common first downlink signaling and the group common second downlink signaling, or the group common third downlink signaling, which is used for the switched uplink BWP and downlink BWP.

The uplink BWP and downlink BWP identifiers indicated in the first downlink signaling, the second downlink signaling and the third downlink signaling are terminal-specific BWP identifiers (BWP_UE_ID). After the terminal receives the configured terminal-specific BWP identity, the downlink control signaling indicates that the BWP identity to be switched to is the terminal-specific BWP identity.

For example, the terminal device receives the first downlink signaling (user group control information), the first downlink signaling instructs the terminal device to switch to one of the M uplink BWPs or m BWPs, and indicates the uplink data of the terminal device Time-frequency resources, and/or the number of continuous time slots, the load size of the first downlink signaling is configured by the base station to indicate to the terminal in the second configuration information;

For another example, the terminal device receives the second downlink signaling instructing the terminal device to switch to one of the N downlink BWPs or n BWPs, and the time-frequency resource information of the scheduled downlink data, and/or the number of continuous time slots , the load size of the second downlink signaling is that the base station configures third configuration information to indicate to the terminal, and the base station uses the second control channel format to carry the second downlink signaling to indicate uplink BWP switching;

For another example, the terminal device receives the third downlink signaling instructing the terminal device to switch to one or m BWPs among the M uplink BWPs and one or n BWPs among the N downlink BWPs, and the scheduled uplink and/or downlink data time-frequency resource information, and/or the number of continuous time slots. The load size of the third downlink signaling is that the base station configures the fourth configuration information to indicate to the terminal, and the base station uses the third control channel format to carry the third downlink signaling to indicate uplink BWP switching and downlink BWP switching.

Step 304, automatically switch from other uplink and/or downlink BWPs to the first uplink BWP and/or the first downlink BWP.

After the data transmission ends, the terminal automatically switches back to the first downlink BWP, and continues to monitor the downlink control information on the first downlink BWP. Further, in response to the end of data transmission in the indicated time-frequency resource of the uplink data, switch from the terminal-specific BWP indicated by the first downlink signaling or the third downlink signaling to the first uplink BWP; and/or In response to the completion of receiving data in the indicated time-frequency resource of the downlink data, switch from the terminal-specific BWP indicated by the second downlink signaling or the third downlink signaling to the first downlink BWP.

FIG. 6 is a schematic diagram of a BWP dedicated to a target terminal.

Further, configure the terminal-specific BWP. The terminal device receives fifth configuration information (RRC signaling) and configures m terminal-specific uplink BWPs and n terminal-specific downlink BWPs. The frequency range of the m terminal-specific uplink BWP is within the frequency range of the common uplink BWP of the M terminal equipment groups, and the frequency range of the n terminal-specific downlink BWP is within the frequency range of the common downlink BWP of the N terminal equipment groups. Each terminal-specific BWP is within the configured frequency range of the common M uplink BWPs and N downlink BWPs. Where m<=M, n<=N. This configuration method increases the flexibility of terminal configuration BWP. In the figure, BWP_UE_# represents the identifier # of the terminal-specific BWP; BWPC_# represents the identifier # of the public BWP.

The fifth configuration information configures the terminal-dedicated first downlink BWP and or terminal-dedicated first uplink BWP at the same time, the frequency range of the terminal-dedicated first downlink BWP is within the first downlink BWP, and the frequency range of the terminal-dedicated first uplink BWP In the first upstream BWP. The fifth signaling is specifically configured for the terminal, and the information configured for each terminal may be different.

The terminal device can switch among the BWPs identified by the configured BWP_UE_ID through RRC signaling reconfiguration. The terminal device can also switch between the BWPs identified by the configured BWP_UE_ID based on the timer expiration method. When the timer expires, the terminal device returns from the currently activated BWP to the terminal-dedicated first uplink (or downlink) BWP. The terminal device switches between the BWPs identified by the configured BWP_UE_ID through the BWP field in the downlink control signaling. If the terminal device has no PRACH resource configured on the activated BWP identified by the configured BWP_UE_ID, it needs to switch to the terminal-dedicated first uplink BWP to initiate the RACH.

Fig. 7 is a schematic diagram of an embodiment of a network device.

The embodiment of the present application also proposes a network device, using the method of any embodiment of the present application, at least one module in the network device is used for at least one of the following functions:

sending or receiving the first configuration information;

Responding to the condition that the amount of uplink service data is less than a first set threshold, using the first uplink BWP to receive the uplink service data;

In response to the condition that the amount of downlink service data is less than a second set threshold, use the first downlink BWP to send the downlink service data;

Receiving and determining at least one of the second configuration information, the third configuration information, the fourth configuration information, and the fifth configuration information; or, determining and sending the second configuration information, the third configuration information, the fourth configuration information, and the fifth configuration information at least one of;

Sending the first downlink signaling according to the second configuration information, or sending the second downlink signaling according to the third configuration information, or sending the third downlink signaling according to the fourth configuration information;

In response to the first downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated uplink BWP to receive uplink data, or, in response to the second downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated downlink BWP or, in response to the third downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated uplink BWP to receive uplink data, and simultaneously switch to the time-frequency resource and time slot corresponding to the indicated downlink BWP to send downlink data.

In response to the end of data transmission in the indicated time-frequency resource of the uplink data, switching to the first uplink BWP; in response to the end of data transmission in the indicated time-frequency resource of the downlink data, switching to the first downlink BWP Line BWP.

In order to implement the above technical solution, a network device 400 proposed in this application includes a network sending module 401 , a network determining module 402 , and a network receiving module 403 connected to each other.

The network sending module is configured to send at least one of the following information to the terminal device: first configuration information, second configuration information, third configuration information, fourth configuration information, fifth configuration information, first downlink signaling , the second downlink signaling, and the third downlink signaling. The network sending module is also used to send downlink service data.

The network determination module is configured to determine the first uplink BWP, the first downlink BWP, M uplink BWPs and/or N downlink BWPs; Uplink BWPs and/or N downlink BWPs determine at least one of the first configuration information, the second configuration information, the third configuration information, and the fourth configuration information; Or if the first set threshold is exceeded, the first downlink signaling or the third downlink signaling is determined, which includes a terminal-specific BWP identifier for uplink BWP switching. According to the amount of downlink service data of the target terminal device reaching or exceeding the second set threshold, determine the second downlink signaling or the third downlink signaling, which includes a terminal-specific BWP identifier for downlink BWP switching. The network determination module is further configured to determine whether the amount of uplink service data reaches or exceeds the first set threshold, and whether the amount of downlink service data reaches or exceeds the second set threshold. The network determination module is further configured to determine the starting point and information length of the BWP identification information indicated by each block in the first downlink signaling, the second downlink signaling, and the third downlink signaling. The network determination module is also used to determine the number of continuous time slots for which the target terminal device works in other uplink BWPs other than the first uplink BWP, and the target terminal device works in the first downlink BWP The number of continuous time slots of other downlink BWPs other than BWP. The network determination module is further configured to determine the frequency range allocated by the target terminal device in any one of the uplink BWP or downlink BWP, and determine fifth configuration information.

The network receiving module is configured to receive at least one of first configuration information, second configuration information, third configuration information, fourth configuration information, and fifth configuration information from high-layer signaling. The network receiving module is also used for receiving uplink service data.

The specific methods for implementing the functions of the network sending module, the network determining module, and the network receiving module are as described in the method embodiments of the present application, and will not be repeated here.

Fig. 8 is a schematic diagram of an embodiment of a terminal device.

The present application also proposes a terminal device, using the method of any embodiment of the present application, at least one module in the terminal device is used for at least one of the following functions:

receiving the first configuration information;

In response to the condition that the amount of uplink service data is less than a first set threshold, use the first uplink BWP to send the uplink service data;

Responding to the condition that the amount of downlink service data is less than a second set threshold, using the first downlink BWP to receive the downlink service data;

receiving and determining at least one of the second configuration information, the third configuration information, the fourth configuration information, and the fifth configuration information;

Sending the first downlink signaling according to the second configuration information, or sending the second downlink signaling according to the third configuration information, or sending the third downlink signaling according to the fourth configuration information;

In response to the first downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated uplink BWP to send uplink data, or, in response to the second downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated downlink BWP or, in response to the third downlink signaling, switch to the time-frequency resource and time slot corresponding to the indicated uplink BWP to send uplink data, and simultaneously switch to the time-frequency resource and time slot corresponding to the indicated downlink BWP to receive downlink data.

In response to the end of data transmission in the indicated time-frequency resource of the uplink data, switch to the first uplink BWP;

In response to the end of data transmission in the indicated time-frequency resource of the downlink data, switch to the first downlink BWP.

In order to implement the above technical solution, a terminal device 500 proposed in this application includes a terminal sending module 501 , a terminal determining module 502 , and a terminal receiving module 503 connected to each other.

The terminal receiving module is configured to receive downlink service data, and is further configured to receive at least one of the following information: first configuration information, second configuration information, third configuration information, fourth configuration information, fifth configuration information , the first downlink signaling, the second downlink signaling, and the third downlink signaling.

The terminal determining module is configured to determine first configuration information; determine a first uplink BWP, a first downlink BWP, M uplink BWPs and/or N downlink BWPs according to the first configuration information; determine the first At least one of the second configuration information, the third configuration information, and the fourth configuration information; further preferably, according to the data volume of the uplink service data of the terminal device reaching or exceeding the first set threshold, the terminal to be switched is determined Dedicated uplink BWP: determining a terminal-dedicated downlink BWP to switch according to the amount of downlink service data of the terminal device reaching or exceeding the second set threshold. In the above preferred embodiment of the present application, the terminal determining module is further configured to determine whether the amount of uplink service data reaches or exceeds the first set threshold, and whether the amount of downlink service data reaches or exceeds the second set threshold. threshold.

Further, the terminal determining module is further configured to determine the starting point and information length of the BWP identification information indicated by each block in the first downlink signaling, the second downlink signaling, and the third downlink signaling. The terminal determining module is further configured to determine, according to the first downlink signaling, the number of continuous time slots in which the target terminal device works in other uplink BWPs other than the first uplink BWP, and the target The number of continuous time slots in which the terminal device works in other downlink BWPs other than the first downlink BWP. The terminal determining module is further configured to determine, according to the fifth configuration information, the frequency range allocated to the terminal device in any one of the uplink BWP or downlink BWP.

The terminal sending module is used to send uplink service data.

The specific methods for implementing the functions of the terminal sending module, the terminal determining module, and the terminal receiving module are as described in the method embodiments of the present application, and will not be repeated here.

The terminal equipment mentioned in this application may refer to mobile terminal equipment.

Fig. 9 shows a schematic structural diagram of a network device according to another embodiment of the present invention. As shown in the figure, a network device 600 includes a processor 601 , a wireless interface 602 , and a memory 603 . Wherein, the wireless interface may be a plurality of components, including a transmitter and a receiver, providing a unit for communicating with various other devices over a transmission medium. The wireless interface realizes the communication function with the terminal equipment, processes wireless signals through the receiving and transmitting means, and the data carried by the signals communicates with the memory or the processor through the internal bus structure. The memory 603 contains a computer program for executing any one of the embodiments of the present application, and the computer program runs or changes on the processor 601 . When the memory, the processor, and the wireless interface circuit are connected through a bus system. The bus system includes a data bus, a power bus, a control bus and a status signal bus, which will not be repeated here.

Fig. 10 is a block diagram of a terminal device according to another embodiment of the present invention. The terminal device 700 includes at least one processor 701 , a memory 702 , a user interface 703 and at least one network interface 704 . Various components in the terminal device 700 are coupled together through a bus system. A bus system is used to implement the connection communication between these components. The bus system includes data bus, power bus, control bus and status signal bus.

The user interface 703 may include a display, a keyboard, or a pointing device, such as a mouse, a trackball, a touch pad, or a touch screen.

Memory 702 stores executable modules or data structures. An operating system and application programs can be stored in the memory. Among them, the operating system includes various system programs, such as framework layer, core library layer, driver layer, etc., for realizing various basic services and processing tasks based on hardware. The application program includes various application programs, such as a media player, a browser, etc., and is used to implement various application services.

In the embodiment of the present invention, the memory 702 includes a computer program for executing any embodiment of the present application, and the computer program is run or changed on the processor 701 .

The memory 702 includes a computer-readable storage medium, and the processor 701 reads the information in the memory 702 and completes the steps of the above method in combination with its hardware. Specifically, a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 701, each step of the method embodiment as described in any one of the foregoing embodiments is implemented.

The processor 701 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the method of the present application may be completed by an integrated logic circuit of hardware in the processor 701 or instructions in the form of software. The processor 701 may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, an off-the-shelf programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. Various methods, steps and logic block diagrams disclosed in the embodiments of the present invention may be implemented or executed. A general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like. The steps of the methods disclosed in the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.

Those skilled in the art should understand that the embodiments of the present invention may be provided as methods, systems, or computer program products. Accordingly, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. In a typical configuration, a device of the present application includes one or more processors (CPUs), input/output user interfaces, network interfaces and memory.

Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

Therefore, the present application also proposes a computer-readable medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the method described in any one embodiment of the present application are implemented. For example, the memory 603, 702 of the present invention may include non-permanent memory in a computer-readable medium, random access memory (RAM) and/or non-volatile memory, such as read-only memory (ROM) or flash memory ( flash RAM).

Based on the embodiments in Figures 7-10, this application also proposes a mobile communication system, including at least one embodiment of any terminal device in this application and or at least one embodiment of any network device in this application.

It should also be noted that the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes Other elements not expressly listed, or elements inherent in the process, method, commodity, or apparatus are also included. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

It should also be noted that the "first", "second"... in this application is to distinguish multiple objects with the same name, unless otherwise specified, there is no meaning of order or size.

The above descriptions are only examples of the present application, and are not intended to limit the present application. For those skilled in the art, various modifications and changes may occur in this application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.

Claims (16)

1. A network energy-saving dynamic bandwidth switching method is characterized by comprising the following steps:

determining first configuration information, wherein the first configuration information is used for configuring M uplink BWPs and/or N downlink BWPs;

the M uplink BWPs comprise a first uplink BWP, the first uplink BWP comprises random access resources of a cell terminal device group, and all terminal devices of the cell terminal device group preferentially use the first uplink BWP to complete a random access process;

the N downlink BWPs include a first downlink BWP, where the first downlink BWP includes downlink control channel resources of a cell terminal device group, and the network device and all terminal devices of the cell terminal device group preferentially use the first downlink BWP to transmit downlink control information;

and indicating the uplink BWP and/or downlink BWP switching and the data scheduling information on the switched uplink BWP and/or downlink BWP by using a terminal equipment group common downlink control signaling.

2. A network energy-saving dynamic bandwidth switching method is used for network equipment and is characterized by comprising the following steps:

sending or receiving first configuration information, where the first configuration information is used to configure M uplink BWPs and/or N downlink BWPs;

the M uplink BWPs include a first uplink BWP, the first uplink BWP includes random access resources of a cell terminal device group, and the network device preferentially uses the first uplink BWP to complete all terminal device random access processes of the cell terminal device group;

the N downlink BWPs include a first downlink BWP, where the first downlink BWP includes a downlink control channel resource of a cell terminal device group, and the network device preferentially uses the first downlink BWP to send downlink control information to all terminal devices of the cell terminal device group;

and sending a common downlink control signaling of the terminal equipment group, wherein the signaling indicates the uplink BWP and/or downlink BWP switching.

3. A network energy-saving dynamic bandwidth switching method is used for terminal equipment and is characterized by comprising the following steps:

receiving first configuration information, wherein the first configuration information is used for configuring M uplink BWPs and/or N downlink BWPs;

the M uplink BWPs include a first uplink BWP, the first uplink BWP includes a random access resource of a cell terminal device group, and any terminal device of the cell terminal device group preferentially uses the first uplink BWP to complete a random access process;

the N downlink BWPs include a first downlink BWP, where the first downlink BWP includes a downlink control channel resource of a cell terminal device group, and any terminal device of the cell terminal device group preferentially uses the first downlink BWP to receive downlink control information;

and receiving a common downlink control signaling of the terminal equipment group, wherein the signaling indicates the uplink BWP and/or downlink BWP switching.

4. The network energy saving dynamic bandwidth switching method according to any one of claims 1 to 3, comprising at least 1 step of:

responding to the condition that the data volume of the upstream service data is smaller than a first set threshold value, and transmitting the upstream service data by using the first upstream BWP;

and responding to the condition that the data volume of the downlink service data is smaller than a second set threshold value, and transmitting the downlink service data by using the first downlink BWP.

5. The network energy saving dynamic bandwidth switching method according to any one of claims 1 to 3, comprising at least 1 step of:

determining a first downlink signaling, wherein the first downlink signaling comprises indication information for switching from a first uplink BWP to any M of other uplink BWPs, and M = 1-M-1;

determining a second downlink signaling, wherein the second downlink signaling contains any N pieces of indication information for switching from the first downlink BWP to other downlink BWPs, and N = 1-N-1;

and determining third downlink signaling, wherein the third downlink signaling contains indication information of switching from the first uplink BWP to any M of other uplink BWPs and switching from the first downlink BWP to any N of other downlink BWPs, and M = 1-M-1 and N = 1-N-1.

6. The network energy saving dynamic bandwidth switching method according to any one of claims 1 to 3,

the bandwidth of the first upstream BWP is smaller than other upstream BWPs, and/or the bandwidth of the first downstream BWP is smaller than other downstream BWPs.

7. The network power saving dynamic bandwidth switching method according to claim 5, comprising at least 1 of the following steps:

switching to the first uplink BWP in response to an indicated end of data transmission in time-frequency resources of the uplink data;

and switching to the first downlink BWP in response to the indicated end of data transmission in the time-frequency resource of the downlink data.

8. The network energy saving dynamic bandwidth switching method according to claim 5, comprising at least 1 of:

the first downlink signaling is further used for indicating time-frequency resources of uplink data and/or the number of time slots for switching uplink BWP continuously;

the second downlink signaling is also used for indicating time-frequency resources of downlink data and/or the number of time slots for switching downlink BWP continuously;

the third downlink signaling is further used for indicating time-frequency resources of uplink and downlink data and/or the number of time slots for switching uplink and downlink BWP.

9. The network energy saving dynamic bandwidth switching method according to claim 5, comprising at least one of:

determining second configuration information, which is used for configuring a data structure of the first downlink signaling, and a start point and an information length of BWP identification information indicated in each block in the first downlink signaling;

determining third configuration information, where the third configuration information is used to configure a data structure of the second downlink signaling, and a starting point and an information length of BWP identification information indicated in each block in the second downlink signaling;

fourth configuration information is determined, which learns a data structure for configuring the third downlink signaling, and a start point and an information length of BWP identification information indicated in each block in the third downlink signaling.

10. The network energy saving dynamic bandwidth switching method according to any one of claims 1 to 3,

determining fifth configuration information, the fifth configuration information being for at least one of:

indicating within the first upstream BWP a frequency range dedicated to a target terminal device;

indicating a frequency range dedicated to a target terminal device within the first downlink BWP;

indicating a frequency range dedicated to a target terminal device within any M upstream BWPs within the M upstream BWPs;

and indicating the frequency range dedicated to the target terminal device in any N downlink BWPs in the Nth downlink BWP.

11. The network power saving dynamic bandwidth switching method of claim 5,

scrambling downlink control signaling by using RNTI (radio network temporary identifier), wherein the RNTI is specially used for BWP (broadband wireless protocol) switched terminal equipment group common downlink control signaling;

the common downlink control signaling of the terminal equipment group comprises at least 1 of the first downlink signaling, the second downlink signaling and the third downlink signaling.

12. A network device for implementing the network energy-saving dynamic bandwidth switching method according to any one of claims 1 to 2 and 4 to 11,

at least one module in the network device for at least one of the following functions:

sending or receiving the first configuration information;

receiving the upstream service data by using the first upstream BWP in response to the condition that the data volume of the upstream service data is smaller than a first set threshold;

responding to the condition that the data volume of the downlink service data is smaller than a second set threshold value, and sending the downlink service data by using the first downlink BWP;

at least one of a first downlink signaling, a second downlink signaling and a third downlink signaling is sent;

switching to the first uplink BWP in response to the indicated end of data transmission in the time-frequency resource of the uplink data;

switching to the first downlink BWP in response to the indicated end of data transmission in the time-frequency resource of the downlink data.

13. A terminal device for implementing the network energy-saving dynamic bandwidth switching method according to any one of claims 1 and 3 to 11,

at least one module in the terminal device, configured to perform at least one of the following functions:

receiving the first configuration information;

responding to the condition that the data volume of the uplink service data is smaller than a first set threshold value, and sending the uplink service data by using the first uplink BWP;

receiving downlink traffic data using the first downlink BWP in response to a condition that a data amount of the downlink traffic data is less than a second set threshold;

receiving at least one of a first downlink signaling, a second downlink signaling and a third downlink signaling;

switching to the first uplink BWP in response to an indicated end of data transmission in time-frequency resources of the uplink data;

switching to the first downlink BWP in response to the indicated end of data transmission in the time-frequency resource of the downlink data.

14. A communication device, comprising: memory, processor and computer program stored on the memory and executable on the processor, the computer program when executed by the processor implementing the steps of the network power saving dynamic bandwidth switching method according to any one of claims 1 to 11.

15. A computer readable medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the network power saving dynamic bandwidth switching method according to any one of claims 1 to 11.

16. A mobile communication system comprising at least 1 network device according to claim 12 and/or at least 1 terminal device according to claim 13.

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