WO2024093913A1 - Wus transmission method and apparatus, user equipment, and storage medium - Google Patents

Abstract

Disclosed in the present application are a WUS transmission method and apparatus, a user equipment, and a storage medium, belonging to the technical field of communications. The WUS transmission method in the embodiments of the present application comprises: a UE detects first information of SSBs sent by an energy-saving base station, the first information being obtained by the UE from a serving cell where the UE is located, and the first information comprising: configuration of a first SSB of the energy-saving base station, and a mapping relationship between the first SSB and a WUS; and, according to the first information, the UE sends the WUS.

Description

WUS transmission method, device, user equipment and storage medium

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to Chinese Patent Application No. 202211371984.5 filed in China on November 03, 2022, the entire contents of which are incorporated herein by reference.

Technical Field

The present application belongs to the field of communication technology, and specifically relates to a WUS transmission method, device, user equipment and storage medium.

Background technique

For a user equipment (UE) in a connected state, it will measure the surrounding cells to estimate the signal quality of the cell. During this process, the protocol stipulates that the UE needs to report the measured cell identity and synchronization signal block (SSB) index to the serving cell to better manage mobility.

However, since the SSB index is obtained in the physical broadcast channel (PBCH) and the PBCH-demodulation reference signal (DMRS), and the base station in energy-saving mode (hereinafter referred to as energy-saving base station) does not contain PBCH, the SSB index cannot be obtained for the energy-saving base station that sends light SSB; if the UE cannot obtain the uplink synchronization information and beam information of the energy-saving base station through the serving base station at this time, then if the UE wants to wake up the energy-saving base station (send a normal SSB), how the UE sends the wake-up signal (Wake-Up Signal, WUS) on the correct beam is an urgent problem to be solved.

Summary of the invention

The embodiments of the present application provide a WUS transmission method, apparatus, user equipment, and storage medium, which can solve the problem of how a UE sends a WUS on the correct beam.

In a first aspect, a WUS transmission method is provided, the method comprising: a UE detects first information of an SSB sent by an energy-saving base station, the first information being obtained by the UE from a service cell where the UE is located, the first information comprising: a configuration of the first SSB of the energy-saving base station, and a mapping relationship between the first SSB and the WUS; the UE sends the WUS according to the first information.

In a second aspect, a WUS transmission device is provided, which is applied to a UE, and the WUS transmission device includes: a detection module and a sending module. The detection module is used to detect the first information of the SSB sent by the energy-saving base station, and the first information is obtained by the UE from the service cell where the UE is located, and the first information includes: the configuration of the first SSB of the energy-saving base station, and the mapping relationship between the first SSB and the WUS. The sending module is used to send the WUS according to the first information detected by the detection module.

In a third aspect, a UE is provided, the UE comprising a processor and a memory, wherein the memory stores The program or instruction running on the processor, when the program or instruction is executed by the processor, implements the steps of the method described in the first aspect.

In a fourth aspect, a UE is provided, including a processor and a communication interface, wherein the processor is used to detect first information of an SSB sent by an energy-saving base station, the first information is obtained by the UE from a serving cell where the UE is located, and the first information includes: a configuration of the first SSB of the energy-saving base station, and a mapping relationship between the first SSB and the WUS. The communication interface is used to send the WUS according to the first information.

In a fifth aspect, a readable storage medium is provided, on which a program or instruction is stored. When the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented.

In a sixth aspect, a chip is provided, comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a program or instruction to implement the method described in the first aspect.

In a seventh aspect, a computer program/program product is provided, wherein the computer program/program product is stored in a storage medium and is executed by at least one processor to implement the steps of the WUS transmission method as described in the first aspect.

In an embodiment of the present application, the UE can detect the first information of the SSB sent by the energy-saving base station, and send the WUS according to the first information, the first information is obtained by the UE from the service cell where the UE is located, and the first information includes the configuration of the first SSB of the energy-saving base station and the mapping relationship between the first SSB and the WUS. In this scheme, the UE can detect the SSB information according to the first information obtained from the service cell where the UE is located, and the first information includes the SSB configuration of the energy-saving base station and the mapping relationship between the SSB and the WUS, that is, the UE can obtain the SSB configuration and the mapping relationship between the SSB and the WUS from the detected first information to perform the sending of the WUS. Therefore, this scheme realizes that when the UE cannot obtain the SSB index of the energy-saving base station, by detecting the SSB configuration of the energy-saving base station and the mapping relationship between the SSB and the WUS, the UE can send the WUS on the correct beam, so that the energy-saving base station can correctly receive the WUS.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the architecture of a wireless communication system provided in an embodiment of the present application;

FIG2 is a schematic diagram of the structure of SSB provided by the related art;

FIG3 is a schematic diagram of an example of bits included in a PBCH provided by the related art;

FIG4 is a schematic diagram of an example of a SSB provided by the related art being sent to different directions in the form of a beam;

FIG5 is one of the flow charts of a WUS transmission method provided in an embodiment of the present application;

FIG6 is one of the schematic diagrams of an example of a time-frequency resource relationship between an SSB and a WUS provided in an embodiment of the present application;

FIG7 is a second example schematic diagram of a time-frequency resource relationship between an SSB and a WUS provided in an embodiment of the present application;

FIG8 is a second flowchart of a WUS transmission method provided in an embodiment of the present application;

FIG9 is a flowchart of a WUS transmission method provided in an embodiment of the present application;

FIG10 is a schematic structural diagram of a WUS transmission device provided in an embodiment of the present application;

FIG11 is a schematic diagram of the hardware structure of a communication device provided in an embodiment of the present application;

FIG12 is a schematic diagram of the hardware structure of a UE provided in an embodiment of the present application.

Detailed ways

The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of this application.

The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first" and "second" are generally of the same type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and/or" in the specification and claims represents at least one of the connected objects, and the character "/" generally represents that the objects associated with each other are in an "or" relationship.

It is worth noting that the technology described in the embodiments of the present application is not limited to the Long Term Evolution (LTE)/LTE-Advanced (LTE-A) system, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies. The following description describes a new radio (NR) system for example purposes, and NR terms are used in most of the following descriptions, but these technologies can also be applied to applications other than NR system applications, such as the ^6th Generation (6G) communication system.

FIG1 shows a block diagram of a wireless communication system applicable to an embodiment of the present application. The wireless communication system includes a terminal 11 and a network side device 12. The terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/virtual reality (virtual reality, VR) device, a robot, a wearable device (Wearable Device), a vehicle-mounted device (VUE), a pedestrian terminal (PUE), a smart home (home appliances with wireless communication functions, such as refrigerators, televisions, washing machines or furniture, etc.), a game console, a personal computer (personal computer, PC), a teller machine or a self-service machine and other terminal side devices, and the wearable device includes: a smart watch, a smart bracelet, a smart headset, a smart glasses, a smart jewelry (smart bracelet, a smart bracelet, a smart ring, a smart necklace, a smart anklet, a smart anklet, etc.), a smart wristband, a smart clothing Etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application. The network side device 12 may include an access network device or a core network device, wherein the access network device 12 may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network unit. The access network device 12 may include a base station, a WLAN access point or a WiFi node, etc. The base station may be referred to as a node B, an evolved node B (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home B node, a home evolved B node, a transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary, it should be noted that in the embodiment of the present application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.

The following is an explanation of some concepts and/or terms involved in a WUS transmission method, apparatus, user equipment, and storage medium provided in an embodiment of the present application.

1. SSB structure

The initial search process is completed by SSB. SSB consists of PSS, SSS, PBCH, and DMRS in 4 consecutive Orthogonal Frequency Division Multiplexing (OFDM) symbols and can be used for downlink synchronization.

As shown in Figure 2, the structure of SSB includes: PSS (NR-PSS), SSS (NR-SSS), PBCH (NR-PBCH), PBCH-DMRS. The functions of PSS and SSS are to achieve symbol-level synchronization and complete the physical layer cell identity (PCI). PBCH contains the cell's Master Information Block (MIB) and some other information. PBCH-DMRS contains some SSB-index information (lower three bits).

2. PBCH

Because the internal structure of SSB is standardized by the protocol, when the UE finds the synchronization signal at a specific synchronization frequency, it can try to decode the SSB. Among them, the most important information contained in the SSB is the MIB. Among them, the MIB contains:

System Frame Number: The complete frame number requires 10 bits, but the frame number in the MIB payload only has the high-order 6 bits, and the low-order 4 bits are transmitted in the non-MIB bits in the PBCH transmission block;

Sub-Carrier Spacing Common of downlink signals in the initial access process: indicates the sub-carrier spacing of SIB1/OSI/Msg2/Msg4/paging messages of initial access;

SSB sub-carrier offset (Ssb-Sub Carrier Offset): The number of sub-carrier intervals between the lowest sub-carrier of SSB and the PRB closest to it;

DMRS-Type A-Position: Configuration of PDSCH DMRS reference signal;

Physical Downlink Control Channel (PDCCH)-ConfigSIB1: Configuration of SIB1_PDCCH, including control resource set (CORESET) and search space configuration;

Cell barring information: RRC access control parameter, indicating whether the cell is barred;

Intra-FreqReselection: RRC access control parameter that indicates whether intra-frequency reselection is allowed in the cell.

spare: reserved bits.

In addition to MIB information, PBCH also contains some other information, as shown in Figure 3. The bits contained in PBCH are:

A+1~A+4: 4 bits of frame number information are added. After obtaining the lower 4 bits of the system frame number, combined with the 6 bits of the system frame number in the previous MIB, the entire 10 bits of frame number information can be obtained;

A+5: Add a half-frame information bit, which indicates whether it is the first half frame or the second half frame;

A+6～A+8: If the maximum SSB Index L=64 (i.e. F>6GHz), A+6～A+8 indicate the upper 3 bits of the SSB Index, otherwise, A+6: the upper 1 bit of Kssb, A+7/A+8: reserved bits.

3. Preamble

After the cell search process and obtaining system information, the UE has achieved downlink synchronization with the cell and can now receive downlink data. However, the UE can only perform uplink transmission after achieving uplink synchronization with the cell. The UE establishes a connection with the cell and achieves uplink synchronization through the random access procedure. After the random access procedure is successful, the UE is in the Radio Resource Control (RRC) connected state (RRC_CONNECTED) and can perform normal uplink and downlink transmissions with the network. The main purposes of random access are: (1) to obtain uplink synchronization; (2) to assign a unique identifier to the UE, the Cell-Radio Network Temporary Identifier (C-RNTI).

The first step of the random access process is that the UE sends a random access preamble. The purpose of the preamble is to tell the base station that there is a random access request and enable the base station to estimate the transmission delay between it and the UE so that the base station can calibrate the uplink timing and inform the UE of the calibration information through the timing advance command in the random access response (RAR).

The preamble sequence is generated by cyclically shifting the root ZC sequence (root Zadoff-Chu sequence). 64 preambles are defined on each physical random access channel (PRACH) time-frequency opportunity. These 64 preambles are first numbered in the order of increasing cyclic shift N_cs of the logical root sequence, and then in the order of increasing different logical root sequences. If 64 preambles cannot be obtained by cyclic shifting based on a single root sequence, the remaining preamble sequences will be generated by the root sequence corresponding to the next index until all 64 preambles are generated.

4. Beam

Due to the scarcity of low-frequency resources, 5G NR uses high-frequency bands such as millimeter waves. Since the propagation loss of high-frequency bands is greater than that of low-frequency bands, its coverage distance is worse than that of LTE. To solve this problem, one solution is that 5G uses multi-antenna beamforming to enhance the signal and thus enhance coverage. Currently, beamforming is a signal processing method that uses a sensor array to send and receive signals in a directional manner. Technology. Beamforming technology adjusts the parameters of the basic units of the phase array so that signals at certain angles obtain constructive interference, while signals at other angles obtain destructive interference, so that the antenna beam points in a specific direction. The establishment of the downlink beam is generally determined by SSB and the Channel State Information-Reference Signal (CSI-RS). As shown in Figure 4, taking SSB as an example: Since the beam is narrow, the same SSB is sent to different directions in the form of beams in NR according to Time Division Duplexing (TDD), so that UEs in all directions can receive the SSB.

5. Community search

The UE needs to use initial search when it is turned on or when switching cells. Its purpose is to obtain downlink synchronization of the cell:

(1) Time synchronization detection (detecting the synchronization signal position, cyclic prefix (CP) type, cell ID number, etc.);

(2) Frequency synchronization detection (using PSS, SSS and other signals to estimate the frequency offset and then correct the frequency offset). Of course, one of the most important functions of the initial search is to find a usable network, that is, the UE performs a blind search of the entire network frequency band based on the working frequency band it supports and the GSCN specified in the protocol.

Only when the UE enters the coverage area of a cell can it search for the cell. The UE not only needs to search for cells when it is turned on, but also continuously searches for cells (measures SSB) to synchronize and estimate the reception quality of the cell in order to support mobility, so as to decide whether to perform handover (when the UE is in RRC_connected state) or cell reselection (when the UE is in RRC_IDLE state or RRC_INACTIVE state).

NR defines a total of 1008 different PCI Among them, PSS corresponds to There are three candidate m sequences, carrying some cell ID information. SSS corresponds to There are 336 candidate m-sequences, carrying some cell ID information.

6. Cell measurement and reporting

In a mobile communication network, when a UE wants to switch to a cell with a stronger signal or add a new carrier (CC) in carrier aggregation, it needs to measure the signal strength or quality (matrix, i.e., Reference Signal Received Power (RSRP) or Reference Signal Receiving Quality (RSRQ)) of the serving cell and the neighboring cell. This requires the UE to make timely and accurate measurements to maintain the quality of the wireless link.

The NR network introduces SS/PBCH blocks (SSBs) composed of synchronization signals (SS) and physical broadcast channels (PBCH) as cell (signal) measurement objects. The number of SSBs in a burst depends on the operating frequency. For example, when the operating frequency (fc) < 3GHz (FR1), the SSB is 4; when the operating frequency (fc) = 3GHz (FR1) < 6GHz (FR1), the SSB is 8; and when the operating frequency (fc) > 6GHz (FR2), the SSB is 64.

The period of the cell SSB can be configured to 5, 10, 20, 40, 80 or 160ms; the UE does not need to perform periodic measurements on the cell signal because the SSB can configure the appropriate measurement period according to the channel conditions. This can help avoid unnecessary measurements and reduce UE energy consumption. The protocol introduces the SSB-based RRM measurement time configuration window (called SMTC window), the UE obtains the measurement period and time of SSBs through SMTC.

a) For the serving cell, the common information of the serving cell (ServingCellConfigCommon) is used to configure the SSB for the UE. First, the SSBs to be measured within an SSB burst, the period of the SSB and the transmit power are configured for the UE through a bitmap.

From the perspective of time domain, the SSB RRC configures the measurement time configuration of the synchronization signal block (SSB-Measurement Timing Configuration, SSB-MTC). At these moments, the UE should measure the SSB. The period and offset of the SSB measurement are configured here. The period ranges from 5 subframes to 160 subframes, and the measurement time length in each period ranges from 1 subframe to 5 subframes.

b) SMTC (SSB-MTC) measurement

SMTC is configured for each frequency point, that is, if the frequency band of two adjacent cells is the same, then their SMTC configurations are the same. If a cell wants to modify the SMTC configuration, the configuration of the SMTC in the same frequency band will also be changed.

In order to match different synchronization signal block periods of different cells, two sets of SMTC parameters are allowed to be configured for a given cell measurement during connected state co-frequency measurement, namely SMTC2. For example, in addition to the basic SMTC configuration, a more dense measurement window can be configured for use by the serving cell and the cells indicated in the specific cell list.

The frequency bands of SMTC2 and SMTC1 are the same. If SMTC2 is configured, only a small number of cells are measured according to SMTC2. The reason for introducing SMTC2 is based on the coverage issues of different cells (such as small cells). Moreover, the period of SMTC1 must be a multiple of the period of SMTC2.

c) Measurement reporting

After the UE measures the SSB of the neighboring cell, it needs to send the measurement results to the serving cell. The reporting configuration includes:

Trigger reporting principle: penalty rules for periodic reporting or a series of events;

Reference Signal (RS) type: SSB or Channel State Information-Reference Signal (CSI-RS);

Measurement report format: for example, the maximum number of cells and beams reported.

The network can configure the UE to report the following information based on SSB:

Measurement results for each SSB;

Measurement results for each cell;

Measurement results based on SSB Index.

7. Downlink wake-up signal (DL WUS)

In order to further improve the power saving performance of UE in 5G system, PDCCH-based WUS is introduced. The function of WUS is to inform UE whether it needs to monitor PDCCH during the onDuration of a specific discontinuous reception (DRX). When there is no data, UE does not need to monitor PDCCH during the onDuration, which means that UE can be in sleep state during the entire DRX Long cycle. state, thereby further saving power.

The WUS signal is a type of downlink control information (DCI), referred to as DCP (DCI with CRC scrambled by PS-RNTI). PS-RNTI is a radio network temporary identifier (RNTI) allocated by the network to the UE specifically for power saving features. The DCI scrambled with the RNTI carries the network's wake-up/sleep indication to the UE. Based on the indication, the UE decides whether to start the onDuration timer in the next DRX cycle and whether to monitor the PDCCH.

8. Light SSB

In order to achieve energy saving at the base station end, it is proposed to use a base station in energy saving mode to only send dedicated reference signal (DRS) information. DRS can be a part of the existing SSB. That is, only PSS and SSS can be sent, or only PSS or SSS can be sent.

The WUS transmission method provided in the embodiment of the present application is described in detail below through some embodiments and their application scenarios in combination with the accompanying drawings.

Considering that the energy-saving base station sends light SSB, that is, the SSB index cannot be obtained. If the UE cannot obtain the uplink synchronization information and beam information of the energy-saving base station through the serving base station at this time, then if the UE wants to wake up the energy-saving base station (send normal SSB), how to enable the UE to send WUS on the correct beam and the energy-saving base station to correctly receive WUS has not yet been solved.

The embodiment of the present application provides a WUS transmission method, in which the UE can detect the first information of the SSB sent by the energy-saving base station and send the WUS according to the first information, the first information is obtained by the UE from the service cell where the UE is located, and the first information includes the configuration of the first SSB of the energy-saving base station and the mapping relationship between the first SSB and the WUS. In this scheme, the UE can detect the SSB information from the first information obtained from the service cell where the UE is located, and the first information includes the SSB configuration of the energy-saving base station and the mapping relationship between the SSB and the WUS, that is, the UE can obtain the SSB configuration and the mapping relationship between the SSB and the WUS from the detected first information to perform the sending of the WUS. Therefore, this scheme realizes that when the UE cannot obtain the SSB index of the energy-saving base station, by detecting the SSB configuration of the energy-saving base station and the mapping relationship between the SSB and the WUS, the UE can send the WUS on the correct beam, so that the energy-saving base station can correctly receive the WUS.

The present application embodiment provides a WUS transmission method, and Figure 5 shows a flow chart of a WUS transmission method provided by the present application embodiment. As shown in Figure 5, the WUS transmission method provided by the present application embodiment may include the following steps 201 and 202.

Step 201: The UE detects the first information of the SSB sent by the energy-saving base station.

In the embodiment of the present application, the first information is obtained by the UE from the serving cell where the UE is located. The first information includes: the configuration of the first SSB of the energy-saving base station, and the mapping relationship between the first SSB and the WUS.

It can be understood that in an embodiment of the present application, an energy-saving base station (a base station in an energy-saving mode) will send an SSB. When the UE detects the SSB sent by the energy-saving base station (for example, a neighboring energy-saving base station), it can perform detection based on the SSB information (for example, the first information) obtained from the service cell where the UE is located, so as to obtain the SSB configuration of the energy-saving base station and the mapping relationship between SSB and WUS from the first information, so as to send WUS to the energy-saving base station.

It should be noted that in the embodiment of the present application, the first SSB is the SSB sent by the energy-saving base station, that is, light SSB.

Optionally, in an embodiment of the present application, light SSB may include at least one of the following: primary synchronization signal (Primary Synchronization Signal, PSS), secondary synchronization signal (Secondary Synchronization Signal, SSS), PSS+payload, SSS+payload, PSS+SSS+payload.

Optionally, in the embodiment of the present application, the first information may be configured for the UE by the serving cell where the UE is located. Alternatively, the first information may be configured by the energy-saving base station and sent to the serving cell where the UE is located, so that the serving cell where the UE is located notifies the UE.

Optionally, in an embodiment of the present application, the energy-saving base station configures a mapping relationship between the first SSB (light SSB) and the WUS; the serving base station obtains the mapping relationship and informs the UE of the mapping relationship.

Optionally, in an embodiment of the present application, the above-mentioned first information is obtained by the UE through a downlink signal or RRC signaling sent by a serving cell where the UE is located, that is, it is sent to the UE by the serving cell where the UE is located through a downlink signal or RRC signaling.

Optionally, in an embodiment of the present application, the above-mentioned downlink signal includes at least one of the following: SSB, master information block (Master Information Block, MIB), system information block (System Information Block, SIB), PDCCH, and media access control-control element (Media Access Control-Control Element, MAC-CE).

Optionally, in an embodiment of the present application, the configuration of the first SSB of the energy-saving base station may include at least one of the following: SSB identification/index information, SSB period, SSB time domain position, SSB frequency domain position, SMTC configuration, and index configuration of the SSB actually sent.

Optionally, in an embodiment of the present application, the configuration of the first SSB of the energy-saving base station is a specific configuration, and the mapping relationship between the first SSB and WUS is a specific relationship.

Optionally, in an embodiment of the present application, the first SSB includes at least one SSB. The mapping relationship between the first SSB and the WUS is: there is a fixed time-frequency resource relationship between each SSB in the at least one SSB and its corresponding WUS.

It should be noted that each SSB and its corresponding WUS can be understood as follows: at least one SSB corresponds to at least one WUS, and each SSB corresponds to a WUS. For example, at least one SSB is SSB 0, 1, 2, 3, and at least one WUS is WUS 0, 1, 2, 3, then SSB 0 corresponds to WUS 0, SSB 1 corresponds to WUS 1, SSB 2 corresponds to WUS 2, SSB 3 corresponds to WUS 3, and there is a fixed time-frequency resource relationship between SSB 0 and WUS 0, a fixed time-frequency resource relationship between SSB 1 and WUS 1, a fixed time-frequency resource relationship between SSB 2 and WUS 2, and a fixed time-frequency resource relationship between SSB 3 and WUS 3.

Optionally, in an implementation manner of an embodiment of the present application, there is a fixed time-frequency resource relationship between each SSB of the at least one SSB and its corresponding WUS, including: a first resource situation and a second resource situation.

The first resource situation is as follows: the time domain resources where at least one SSB is located are different, and at least one symbol position is not completely the same, and the at least one symbol position is that the time domain resources where at least one SSB is located are different. Symbol position of the time slot.

The second resource condition is any of the following:

Each WUS in the at least one WUS has a fixed time domain offset with respect to its corresponding SSB;

Different WUSs in at least one WUS have different time domain positions, and the time domain positions of different WUSs are not completely the same in symbol positions in different time slots;

Different WUSs in the at least one WUS have different time domain positions or frequency domain positions.

It should be noted that the different time domain resources of the at least one SSB mentioned above can be understood as: at least one SSB is on different symbols of the same time slot; or, at least one SSB is located in different time slots.

In addition, at least one SSB is located in a different time slot, which means that at least one SSB is located in a different time slot (i.e., completely different or partially different); and when at least one SSB is located in a different time slot, if at least one SSB is located in a different time slot, the SSBs in the same time slot are on different symbols in the same time slot. For example, SSB 0,1,2,3 in SSB 0,1,2,3 are on different symbols in the same time slot (e.g., time slot 1), and SSB 2,3 are on different symbols in the same time slot (e.g., time slot 2).

It should be noted that the above-mentioned at least one symbol position is not completely the same, which can be understood as: in the time slot where at least one SSB is located, the symbol positions of SSBs in different time slots are not completely the same (that is, completely different or partially different).

Exemplarily, it is assumed that at least one time slot includes slot1 and slot2, and at least one SSB includes SSB 0, 1, 2, and 3. The symbol positions of the SSB in slot1 and the SSB in slot2 are not exactly the same, for example, the symbol position of SSB 0 in slot1 is symbol 0 and symbol 1, the symbol position of SSB 1 in slot1 is symbol 3 and symbol 4, the symbol position of SSB 2 in slot2 is symbol 2 and symbol 3, and the symbol position of SSB 3 in slot2 is symbol 5 and symbol 6.

It should be noted that different WUSs in the above-mentioned at least one WUS have different time domain positions, which can be understood as: at least one WUS is on different symbols of the same time slot; or, at least one WUS is located in different time slots; or, a part of the at least one WUS is on different symbols of the same time slot, and another part of the at least one WUS is located in different time slots.

The fact that the time domain positions of different WUSs in different time slots are not completely the same can be understood as: in the time slot where at least one WUS is located, the symbol positions of WUSs in different time slots are not completely the same (ie completely or partially different).

Exemplarily, it is assumed that at least one time slot includes slot1 and slot2, and at least one WUS includes WUS 0, 1, 2, and 3. The symbol positions of the WUS in slot1 and the WUS in slot2 are not exactly the same, for example, the symbol position of WUS 0 in slot1 is symbol 1 and symbol 2, the symbol position of WUS 1 in slot1 is symbol 4 and symbol 5, the symbol position of WUS 2 in slot2 is symbol 5 and symbol 6, and the symbol position of WUS 3 in slot2 is symbol 9 and symbol 10.

It should be noted that different WUSs in the above-mentioned at least one WUS have different time domain positions or frequency domain positions, which can be understood as: at least one WUS is in the same time domain position and in different frequency domain positions; or, at least one WUS is in different time domain positions and in the same frequency domain position; or, at least one WUS is in different time domain positions and in different frequency domain positions.

Exemplarily, as shown in (A) in FIG6 , at least one SSB (e.g., SSB 0, 1, 2, 3) is located at different time domain resources, for example, SSB 0, 1, 2, 3 are at different symbol positions in one time slot (time slot 1), wherein SSB 0 is at the position of symbol 0 and symbol 1 in time slot 1, SSB 1 is at the position of symbol 3 and symbol 4 in time slot 1, SSB 2 is at the position of symbol 6 and symbol 7 in time slot 1, and SSB 3 is at the position of symbol 9 and symbol 10 in time slot 1.

As shown in (B) in Figure 6, each WUS in at least one WUS (for example, WUS 0, 1, 2, 3) has a fixed time domain offset (for example, two symbols) with its corresponding SSB, wherein WUS 0 corresponds to SSB 0, WUS 1 corresponds to SSB 1, WUS 2 corresponds to SSB 2, and WUS 3 corresponds to SSB 3, and the time domain offset between each of these WUS and its corresponding SSB is two symbols.

As shown in (C) in Figure 6, different WUS have different time domain positions, for example, WUS 0, 1, 2, and 3 are at different symbol positions in one time slot (time slot 1), where WUS 0 is at the position of symbol 0 and symbol 1 in time slot 1, WUS 1 is at the position of symbol 5 and symbol 6 in time slot 1, WUS 2 is at the position of symbol 8 and symbol 9 in time slot 1, and WUS 3 is at the position of symbol 12 and symbol 13 in time slot 1.

As shown in (D) of FIG6 , different WUSs have different time domain positions or frequency domain positions, for example, WUS 0 and WUS 1 are at the same time domain position and at different frequency domain positions, and WUS 2 and WUS 3 are at the same time domain position and at different frequency domain positions. Among them, WUS 0 is at the position of symbol 2 and symbol 3 in time slot 1, WUS 1 is at the position of symbol 2 and symbol 3 in time slot 1, and WUS 0 and WUS 1 are at different frequency domain positions; WUS 2 is at the position of symbol 8 and symbol 9 in time slot 1, WUS 3 is at the position of symbol 8 and symbol 9 in time slot 1, and WUS 2 and WUS 3 are at different frequency domain positions.

Optionally, in another implementation of the embodiment of the present application, there is a fixed time-frequency resource relationship between each SSB of the above-mentioned at least one SSB and its corresponding WUS, including: a third resource situation and a fourth resource situation.

Among them, the above-mentioned third resource situation is: the time domain resources where at least one SSB is located are different, and at least one symbol position is partially the same or completely the same, and at least one symbol position is the symbol position of the time domain resources where at least one SSB is located in different time slots.

The fourth resource situation is any of the following:

Different WUSs in at least one WUS have different time domain positions, and the time domain positions of different WUSs are not completely the same in symbol positions in different time slots;

Different WUSs in the at least one WUS have different time domain positions or frequency domain positions.

It should be noted that the above-mentioned at least one symbol position being partially the same or completely the same can be understood as: in the time slot where at least one SSB is located, the symbol positions of SSBs in different time slots are partially the same or completely the same.

Exemplarily, it is assumed that at least one time slot includes slot1 and slot2, and at least one SSB includes SSB 0, 1, 2, and 3. The symbol positions of the SSB in slot1 and the SSB in slot2 are the same, for example, the symbol positions of SSB 0 in slot1 are symbol 0 and symbol 1, the symbol positions of SSB 1 in slot1 are symbol 3 and symbol 4, the symbol positions of SSB 2 in slot2 are symbol 0 and symbol 1, and the symbol positions of SSB 3 in slot2 are symbol 3 and symbol 4.

It should be noted that, for "at least one SSB has different time domain resources", "different WUS have different For the explanation of "different WUSs have different time domain positions or frequency domain positions", please refer to the description in the above implementation method and will not be repeated here.

Exemplarily, as shown in (A) in FIG. 7 , the time domain resources where at least one SSB (e.g., SSB 0, 1, 2, 3) is located are different, and the time domain resources where at least one SSB is located are at the same symbol position in different time slots, for example, SSB 0, 1, 2, 3 are at the symbol position in 2 time slots (time slot 1 and time slot 2), and the symbol position where the SSB (SSB 0, 1) in time slot 1 and the SSB (SSB 2, 3) in time slot 2 are located are the same. Among them, SSB 0 is at the position of symbol 0 and symbol 1 in time slot 1, SSB 1 is at the position of symbol 7 and symbol 8 in time slot 1, SSB 2 is at the position of symbol 0 and symbol 1 in time slot 2, and SSB 3 is at the position of symbol 7 and symbol 8 in time slot 2.

It can be seen that the symbol positions of SSB in time slot 1 include the positions of symbol 0, symbol 1, symbol 7 and symbol 8, and the symbol positions of SSB in time slot 2 include the positions of symbol 0, symbol 1, symbol 7 and symbol 8. Therefore, the time domain resources where SSB 0, 1, 2, 3 are located have the same symbol positions in different time slots.

As shown in (B) of FIG. 7 , different WUSs in at least one WUS (e.g., WUS 0, 1, 2, 3) have different time domain positions, and the time domain positions of different WUSs are not completely the same in symbol positions in different time slots, for example, WUS 0, 1, 2, 3 are at symbol positions in two time slots (time slot 1 and time slot 2), and the symbol positions of WUS (WUS 0, 1) in time slot 1 and WUS (WUS 2, 3) in time slot 2 are different. Among them, WUS 0 is at symbol 2 and symbol 3 in time slot 1, WUS 1 is at symbol 9 and symbol 10 in time slot 1, WUS 2 is at symbol 0 and symbol 1 in time slot 2, and WUS 3 is at symbol 7 and symbol 8 in time slot 2.

It can be seen that the symbol positions of WUS in time slot 1 include the positions of symbol 2, symbol 3, symbol 9 and symbol 10, and the symbol positions of WUS in time slot 2 include the positions of symbol 0, symbol 1, symbol 7 and symbol 8. Therefore, the time domain positions of WUS 0, 1, 2, 3 are different in the symbol positions of different time slots.

As shown in (C) of FIG. 7 , different WUSs have different time domain positions or frequency domain positions, for example, WUS 0 and WUS 1 are at the same time domain position and at different frequency domain positions, and WUS 2 and WUS 3 are at the same time domain position and at different frequency domain positions. Among them, WUS 0 is at the position of symbol 5 and symbol 6 in time slot 1, WUS 1 is at the position of symbol 5 and symbol 6 in time slot 1, and WUS 0 and WUS 1 are at different frequency domain positions; WUS 2 is at the position of symbol 12 and symbol 13 in time slot 2, WUS 3 is at the position of symbol 12 and symbol 13 in time slot 2, and WUS 2 and WUS 3 are at different frequency domain positions.

Optionally, in an embodiment of the present application, the form of the above-mentioned WUS includes any one of the following: uplink preamble code, physical uplink control channel (Physical Uplink Control Channel, PUCCH), sounding reference signal (Sounding Reference Signal, SRS), scheduling request (Scheduling Request, SR), configured grant (Configured Grant, CG), and dedicated signal.

It should be noted that the above-mentioned dedicated signal can be understood as a specific signal dedicated to waking up the energy-saving base station that sends light SSB.

Step 202: The UE sends a WUS according to the first information.

In the embodiment of the present application, the UE may be based on the configuration of the first SSB and the mapping relationship between the first SSB and the WUS. The UE can measure the first SSB based on the configuration of the first SSB, determine one or more SSBs according to the measurement results, and then send the WUS on the time-frequency resources corresponding to the one or more SSBs according to the mapping relationship between the first SSB and the WUS.

Optionally, in the embodiment of the present application, in combination with FIG. 5 , as shown in FIG. 8 , the above step 202 may be specifically implemented by the following steps 202a and 202b.

Step 202a: The UE measures the first SSB at multiple times according to the configuration of the first SSB, and determines one or more SSBs that meet preset conditions from the first SSB according to the measurement results obtained.

It can be understood that before the UE detects the first information and sends the WUS, the UE can measure the first SSB (light SSB) at multiple times, and based on the measured measurement results (such as RSRP or RSRQ of the SSB), select one or more SSBs whose RSRP/RSRQ meets preset conditions as the priority beams.

Optionally, in an embodiment of the present application, the above-mentioned preset conditions may include any one of the following: the signal quality (RSRP or RSRQ) of the SSB is the strongest or most suitable (for example, the RSRP/RSRQ is the largest or most stable), and the signal quality of the SSB is greater than or equal to a preset threshold.

Optionally, in an embodiment of the present application, the strongest/most suitable one or more SSBs may be: one or more SSBs corresponding to the maximum RSRP among the RSRPs obtained according to multiple measurements; or one or more SSBs with the most relatively stable RSRP obtained according to multiple measurements.

Optionally, in an embodiment of the present application, the above-mentioned multiple times may be independently determined by the UE, or predefined by the protocol, or preconfigured by the network side.

Step 202b: The UE sends the WUS on the WUS time-frequency resources corresponding to one or more SSBs according to the mapping relationship between the first SSB and the WUS.

In an embodiment of the present application, the UE can determine the WUS time-frequency resources (WUS time domain position and/or frequency domain position) corresponding to the above-mentioned one or more SSBs based on the mapping relationship between the first SSB and the WUS, and thus send the WUS on these WUS time-frequency resources.

Exemplarily, it is assumed that the one or more SSBs mentioned above are SSB 0, 1. Among them, SSB 0 corresponds to WUS 0, and WUS 0 is located at the position of symbol 2 and symbol 3 in time slot 1; SSB 1 corresponds to WUS 1, and WUS 1 is located at the position of symbol 5 and symbol 6 in time slot 1; then, the UE can send WUS at the position of symbol 2 and symbol 3 in time slot 1, and send WUS at the position of symbol 5 and symbol 6 in time slot 1.

Optionally, in the embodiment of the present application, in combination with FIG. 5 , as shown in FIG. 9 , the above step 202 may be specifically implemented through the following steps 202c and 202d.

Step 202c: The UE starts sending the WUS according to the first information, and detects the second SSB M times within a fixed time.

In the embodiment of the present application, the second SSB is an SSB different from the first SSB.

Optionally, in an embodiment of the present application, the above-mentioned second SSB is a normal SSB (non-light SSB).

Step 202d: If the UE does not detect the second SSB, the UE continues to send the WUS according to the first information, and if the second SSB is still not detected after sending the WUS N times, the UE stops sending the WUS. WUS.

In the embodiment of the present application, the above-mentioned fixed time, M and N are pre-defined by the protocol or pre-configured by the network side device, and M and N are both positive integers.

In an embodiment of the present application, the UE detects the second SSB and continues to send the WUS when the second SSB is not detected, so that the energy-saving base station can correctly receive the WUS to wake up the energy-saving base station; and when the second SSB is still not detected after sending the WUS N times, that is, the energy-saving base station is still in the energy-saving mode (for example, the energy-saving base station may not have successfully received the WUS, or due to other factors, it has not switched from the energy-saving mode to the non-energy-saving mode according to the received WUS), then the UE can stop sending the WUS to avoid occupying the WUS time and frequency resources for a long time.

The embodiment of the present application provides a WUS transmission method, in which the UE can detect the first information of the SSB sent by the energy-saving base station and send the WUS according to the first information, the first information is obtained by the UE from the service cell where the UE is located, and the first information includes the configuration of the first SSB of the energy-saving base station and the mapping relationship between the first SSB and the WUS. In this scheme, the UE can detect the SSB information according to the first information obtained from the service cell where the UE is located, and the first information includes the SSB configuration of the energy-saving base station and the mapping relationship between the SSB and the WUS, that is, the UE can obtain the SSB configuration and the mapping relationship between the SSB and the WUS from the detected first information to perform the sending of the WUS. Therefore, this scheme realizes that when the UE cannot obtain the SSB index of the energy-saving base station, by detecting the SSB configuration of the energy-saving base station and the mapping relationship between the SSB and the WUS, the UE can send the WUS on the correct beam, so that the energy-saving base station can correctly receive the WUS.

The WUS transmission method provided in the embodiment of the present application may be executed by a WUS transmission device. In the embodiment of the present application, a UE executing the WUS transmission method is taken as an example to illustrate the WUS transmission device provided in the embodiment of the present application.

FIG10 is a schematic diagram of a possible structure of a WUS transmission device involved in an embodiment of the present application, where the WUS transmission device is applied to a UE. As shown in FIG10 , the WUS transmission device 70 may include: a detection module 71 and a sending module 72 .

The detection module 71 is used to detect the first information of the SSB sent by the energy-saving base station, the first information is obtained by the UE from the serving cell where the UE is located, and the first information includes: the configuration of the first SSB of the energy-saving base station, and the mapping relationship between the first SSB and the WUS. The sending module 72 is used to send the WUS according to the first information detected by the detection module 71.

An embodiment of the present application provides a WUS transmission device, which can detect SSB information based on first information obtained from a service cell where a UE is located, and the first information includes the SSB configuration of the energy-saving base station and the mapping relationship between SSB and WUS, that is, the WUS transmission device can obtain the SSB configuration and the mapping relationship between SSB and WUS from the detected first information to execute the sending of WUS. Therefore, this scheme implements the situation where the WUS transmission device cannot obtain the SSB index of the energy-saving base station. By detecting the SSB configuration of the energy-saving base station and the mapping relationship between SSB and WUS, the WUS transmission device can send WUS on the correct beam, thereby enabling the energy-saving base station to correctly receive the WUS.

In a possible implementation manner, the first information is obtained by the UE through a downlink signal or RRC signaling sent by a serving cell where the UE is located; wherein the downlink signal includes at least one of the following: SSB, MIB, SIB, PDCCH, MAC-CE.

In a possible implementation, the first SSB includes at least one SSB. The mapping relationship between the first SSB and the WUS is: there is a fixed time-frequency resource relationship between each SSB and its corresponding WUS.

In a possible implementation, there is a fixed time-frequency resource relationship between each of the above-mentioned SSBs and its corresponding WUS, including: a first resource situation and a second resource situation.

Among them, the first resource situation is: the time domain resources where at least one SSB is located are different, and at least one symbol position is not completely the same, and at least one symbol position is the symbol position of the time domain resources where at least one SSB is located in different time slots.

The second resource situation is any of the following:

Each WUS has a fixed time domain offset with its corresponding SSB;

Different WUSs have different time domain positions, and the time domain positions of different WUSs are not exactly the same in symbol positions in different time slots;

Different WUSs have different time domain positions or frequency domain positions.

In a possible implementation, there is a fixed time-frequency resource relationship between each of the above-mentioned SSBs and its corresponding WUS, including: a third resource situation and a fourth resource situation.

Among them, the third resource situation is: the time domain resources where at least one SSB is located are different, and at least one symbol position is partially the same or completely the same, and at least one symbol position is the symbol position of the time domain resources where at least one SSB is located in different time slots.

The fourth resource situation is any of the following:

Different WUSs have different time domain positions, and the time domain positions of different WUSs are not exactly the same in symbol positions in different time slots;

Different WUSs have different time domain positions or frequency domain positions.

In a possible implementation, the above-mentioned sending module is specifically used to measure the first SSB at multiple times according to the configuration of the first SSB, and determine one or more SSBs that meet preset conditions from the first SSB according to the measurement results obtained; and, according to the mapping relationship between the first SSB and the WUS, send the WUS on the WUS time-frequency resources corresponding to the one or more SSBs.

In one possible implementation, the form of the WUS includes any one of the following: uplink preamble, PUCCH, SRS, SR, CG, and dedicated signal.

In a possible implementation, the sending module is specifically used to start sending WUS according to the first information, and detect the second SSB M times within a fixed time, where the second SSB is an SSB different from the first SSB; and, if the UE does not detect the second SSB, continue to send WUS according to the first information, and stop sending WUS if the second SSB is still not detected after sending WUS N times. The fixed time, M and N are predefined by the protocol or preconfigured by the network side device, and both M and N are positive integers.

The WUS transmission device provided in the embodiment of the present application can implement each process implemented by the UE in the above method embodiment and achieve the same technical effect. To avoid repetition, it will not be repeated here.

The WUS transmission device in the embodiment of the present application may be a UE, such as a UE with an operating system, or a component in the UE, such as an integrated circuit or a chip. The UE may be a terminal, or may be a device other than a terminal. Other devices. Exemplarily, the UE may include but is not limited to the types of UE 11 listed above, and other devices may be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiments of the present application.

Optionally, as shown in Figure 11, an embodiment of the present application also provides a communication device 5000, including a processor 5001 and a memory 5002, and the memory 5002 stores programs or instructions that can be executed on the processor 5001. For example, when the communication device 5000 is a UE, the program or instruction is executed by the processor 5001 to implement the various steps of the above-mentioned UE side method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

The embodiment of the present application also provides a UE, including a processor and a communication interface, the processor is used to detect the first information of the SSB sent by the energy-saving base station, the first information is obtained by the UE from the serving cell where the UE is located, and the first information includes: the configuration of the first SSB of the energy-saving base station, and the mapping relationship between the first SSB and the WUS. The communication interface is used to send the WUS according to the first information. This UE embodiment corresponds to the above-mentioned UE side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to this UE embodiment, and can achieve the same technical effect.

Specifically, FIG12 is a schematic diagram of the hardware structure of a UE implementing an embodiment of the present application.

The UE 7000 includes but is not limited to: a radio frequency unit 7001, a network module 7002, an audio output unit 7003, an input unit 7004, a sensor 7005, a display unit 7006, a user input unit 7007, an interface unit 7008, a memory 7009 and at least some of the components of the processor 7010.

Those skilled in the art will appreciate that UE 7000 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to processor 7010 through a power management system, thereby implementing functions such as managing charging, discharging, and power consumption management through the power management system. The UE structure shown in FIG12 does not constitute a limitation on the UE, and the UE may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently, which will not be described in detail here.

It should be understood that in the embodiment of the present application, the input unit 7004 may include a graphics processing unit (GPU) 70041 and a microphone 70042, and the graphics processor 70041 processes the image data of the static picture or video obtained by the image capture device (such as a camera) in the video capture mode or the image capture mode. The display unit 7006 may include a display panel 70061, and the display panel 70061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 7007 includes a touch panel 70071 and at least one of other input devices 70072. The touch panel 70071 is also called a touch screen. The touch panel 70071 may include two parts: a touch detection device and a touch controller. Other input devices 70072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control key, a switch key, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.

In the embodiment of the present application, after receiving downlink data from the network side device, the RF unit 7001 can transmit the data to the processor 7010 for processing; in addition, the RF unit 7001 can send uplink data to the network side device. Generally, the RF unit 7001 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

The memory 7009 can be used to store software programs or instructions and various data. The memory 7009 can mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area can store operating operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.), etc. In addition, the memory 7009 may include a volatile memory or a non-volatile memory, or the memory 7009 may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM), a static random access memory (SRAM), a dynamic random access memory (DRAM), a synchronous dynamic random access memory (SDRAM), a double data rate synchronous dynamic random access memory (DDRSDRAM), an enhanced synchronous dynamic random access memory (ESDRAM), a synchronous link dynamic random access memory (SLDRAM) and a direct memory bus random access memory (DRRAM). The memory 7009 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.

The processor 7010 may include one or more processing units; optionally, the processor 7010 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 7010.

Among them, the processor 7010 is used to detect the first information of the SSB sent by the energy-saving base station. The first information is obtained by the UE from the service cell where the UE is located. The first information includes: the configuration of the first SSB of the energy-saving base station and the mapping relationship between the first SSB and the WUS.

The radio frequency unit 7001 is configured to send a WUS according to the first information.

An embodiment of the present application provides a UE, and the UE can detect SSB information based on first information obtained from a service cell where the UE is located, and the first information includes the SSB configuration of the energy-saving base station and the mapping relationship between the SSB and the WUS, that is, the UE can obtain the SSB configuration and the mapping relationship between the SSB and the WUS from the detected first information to execute the sending of the WUS. Therefore, this scheme implements that when the UE cannot obtain the SSB index of the energy-saving base station, by detecting the SSB configuration of the energy-saving base station and the mapping relationship between the SSB and the WUS, the UE can send the WUS on the correct beam, thereby enabling the energy-saving base station to correctly receive the WUS.

The UE provided in the embodiment of the present application can implement each process implemented by the UE in the above method embodiment and achieve the same technical effect. To avoid repetition, it will not be repeated here.

An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored. When the program or instruction is executed by a processor, the various processes of the above-mentioned WUS transmission method embodiment are implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

The processor is the processor in the communication device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk.

The present application also provides a chip, the chip comprising a processor and a communication interface, the communication interface The port is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the above method embodiments, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

The embodiments of the present application further provide a computer program/program product, which is stored in a storage medium and is executed by at least one processor to implement the various processes of the above-mentioned method embodiments and can achieve the same technical effect. To avoid repetition, it will not be described here.

It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.

The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims (21)

1. A wake-up signal WUS transmission method, comprising:

   The user equipment UE detects first information of a synchronization signal block SSB sent by the energy-saving base station, where the first information is obtained by the UE from a serving cell where the UE is located, and the first information includes: a configuration of a first synchronization signal block SSB of the energy-saving base station, and a mapping relationship between the first SSB and the WUS;

   The UE sends a WUS according to the first information.
2. The method according to claim 1, wherein the first information is obtained by the UE through a downlink signal or a radio resource control RRC signaling sent by a serving cell where the UE is located;

   The downlink signal includes at least one of the following: SSB, master information block MIB, system information block

   SIB, physical downlink control channel PDCCH, media access control-control unit MAC-CE.
3. The method of claim 1, wherein the first SSB comprises at least one SSB;

   The mapping relationship between the first SSB and WUS is: there is a fixed time-frequency resource relationship between each SSB and its corresponding WUS.
4. The method according to claim 3, wherein there is a fixed time-frequency resource relationship between each SSB and its corresponding WUS, including: a first resource situation and a second resource situation;

   The first resource situation is that the time domain resources where the at least one SSB is located are different, and at least one symbol position is not completely the same, and the at least one symbol position is the symbol position of the time domain resource where the at least one SSB is located in different time slots;

   The second resource condition is any one of the following:

   Each WUS has a fixed time domain offset with its corresponding SSB;

   Different WUSs have different time domain positions, and the time domain positions of different WUSs are not exactly the same in symbol positions in different time slots;

   Different WUSs have different time domain positions or frequency domain positions.
5. The method according to claim 3, wherein there is a fixed time-frequency resource relationship between each SSB and its corresponding WUS, including: a third resource situation and a fourth resource situation;

   The third resource situation is that the time domain resources where the at least one SSB is located are different, and at least one symbol position is partially the same or completely the same, and the at least one symbol position is the symbol position of the time domain resource where the at least one SSB is located in different time slots;

   The fourth resource condition is any one of the following:

   Different WUSs have different time domain positions, and the time domain positions of different WUSs are not exactly the same in symbol positions in different time slots;

   Different WUSs have different time domain positions or frequency domain positions.
6. The method according to any one of claims 1 to 5, wherein the UE sends a WUS according to the first information, comprising:

   The UE measures the first SSB at multiple times according to the configuration of the first SSB, and The measurement results obtained by measuring the first SSB are used to determine one or more SSBs that meet a preset condition from the first SSB;

   The UE sends the WUS on the WUS time-frequency resources corresponding to the one or more SSBs according to the mapping relationship between the first SSB and the WUS.
7. The method according to claim 1, wherein the form of the WUS includes any one of the following: an uplink preamble code, a physical uplink control channel PUCCH, a sounding reference signal SRS, a scheduling request SR, a configuration grant CG, and a dedicated signal.
8. The method according to claim 1, wherein the UE sends a WUS according to the first information, comprising:

   The UE starts sending the WUS according to the first information, and detects a second SSB M times within a fixed time, where the second SSB is an SSB different from the first SSB;

   In a case where the UE fails to detect the second SSB, the UE continues to send the WUS according to the first information, and in a case where the second SSB is still not detected after sending the WUS N times, the UE stops sending the WUS;

   The fixed time, M and N are predefined by the protocol or preconfigured by the network side device, and both M and N are positive integers.
9. A wake-up signal WUS transmission device comprises: a detection module and a sending module;

   The detection module is configured to detect first information of a synchronization signal block SSB sent by an energy-saving base station, where the first information is obtained by the UE from a serving cell where the UE is located, and the first information includes: a configuration of a first synchronization signal block SSB of the energy-saving base station, and a mapping relationship between the first SSB and the WUS;

   The sending module is used to send the WUS according to the first information detected by the detection module.
10. The device according to claim 9, wherein the first information is obtained by the UE through a downlink signal or a radio resource control RRC signaling sent by a serving cell where the UE is located;

    The downlink signal includes at least one of the following: SSB, master information block MIB, system information block

    SIB, physical downlink control channel PDCCH, media access control-control unit MAC-CE.
11. The apparatus of claim 9, wherein the first SSB comprises at least one SSB;

    The mapping relationship between the first SSB and WUS is: there is a fixed time-frequency resource relationship between each SSB and its corresponding WUS.
12. The apparatus according to claim 11, wherein there is a fixed time-frequency resource relationship between each SSB and its corresponding WUS, including: a first resource situation and a second resource situation;

    The first resource situation is that the time domain resources where the at least one SSB is located are different, and at least one symbol position is not completely the same, and the at least one symbol position is the symbol position of the time domain resource where the at least one SSB is located in different time slots;

    The second resource condition is any one of the following:

    Each WUS has a fixed time domain offset with its corresponding SSB;

    Different WUS have different time domain positions, and the time domain positions of different WUS are at symbol positions in different time slots. Not exactly the same;

    Different WUSs have different time domain positions or frequency domain positions.
13. The apparatus according to claim 11, wherein there is a fixed time-frequency resource relationship between each SSB and its corresponding WUS, including: a third resource situation and a fourth resource situation;

    The third resource situation is that the time domain resources where the at least one SSB is located are different, and at least one symbol position is partially the same or completely the same, and the at least one symbol position is the symbol position of the time domain resource where the at least one SSB is located in different time slots;

    The fourth resource condition is any one of the following:

    Different WUSs have different time domain positions, and the time domain positions of different WUSs are not exactly the same in symbol positions in different time slots;

    Different WUSs have different time domain positions or frequency domain positions.
14. According to the device according to any one of claims 9 to 13, the sending module is specifically used to measure the first SSB at multiple times according to the configuration of the first SSB, and determine one or more SSBs that meet preset conditions from the first SSB according to the measurement results obtained; and, according to the mapping relationship between the first SSB and the WUS, send the WUS on the WUS time-frequency resources corresponding to the one or more SSBs.
15. The device according to claim 9, wherein the form of the WUS includes any one of the following: an uplink preamble code, a physical uplink control channel PUCCH, a sounding reference signal SRS, a scheduling request SR, a configuration grant CG, and a dedicated signal.
16. The device according to claim 9, wherein the sending module is specifically configured to start sending the WUS according to the first information, and detect the second SSB M times within a fixed time, where the second SSB is an SSB different from the first SSB; and, if the UE fails to detect the second SSB, continue to send the WUS according to the first information, and stop sending the WUS if the second SSB is still not detected after sending the WUS N times;

    The fixed time, M and N are predefined by the protocol or preconfigured by the network side device, and both M and N are positive integers.
17. A user equipment UE comprises a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the wake-up signal WUS transmission method according to any one of claims 1 to 8 are implemented.
18. A readable storage medium stores a program or instruction, and when the program or instruction is executed by a processor, the steps of the wake-up signal WUS transmission method according to any one of claims 1 to 8 are implemented.
19. A computer program product, wherein the computer program product is stored in a storage medium, and when the computer program product is executed by at least one processor, the uplink control information transmission method according to any one of claims 1 to 12 is implemented, or the wake-up signal WUS transmission method according to any one of claims 1 to 8 is implemented. Law.
20. A chip comprises a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement the wake-up signal WUS transmission method according to any one of claims 1 to 8.
21. A user equipment UE, characterized in that the UE is configured to execute the wake-up signal WUS transmission method according to any one of claims 1 to 8.