WO2022082399A1

WO2022082399A1 - Communication method and device, and storage medium

Info

Publication number: WO2022082399A1
Application number: PCT/CN2020/122002
Authority: WO
Inventors: 李艳华
Original assignee: 北京小米移动软件有限公司
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2022-04-28
Also published as: CN114651412A

Abstract

Disclosed are a communication method and device, and a storage medium. The method comprises sending first information, wherein the first information is used for a first base station to determine configuration information of a reference signal used by a terminal device in a non-connected state, and the reference signal comprises at least one of a tracking reference signal (TRS) and a channel state information reference signal (CSI-RS). By means of the embodiments of the present disclosure, a base station can determine, according to first information reported by a terminal device, configuration information of a reference signal used by the terminal device in a non-connected state.

Description

Communication method, device and storage medium

technical field

The present disclosure relates to the field of communication technologies, and in particular, to a communication method, device, and storage medium.

Background technique

In the current communication system, the system uses an additional reference signal in the disconnected state to assist the terminal device to synchronize the time-frequency domain of the network. Compared with the original synchronization signal block (Synchronization Signal Block, SSB) synchronization, the system can The sending time of the configuration reference signal is closer to the paging time, and the terminal device can wake up later, so it can save more power.

The configuration information of the reference signal and the available status of the reference signal are respectively indicated. For example, the system is configured with a Tracking Reference Signal (TRS)/Channel-state Information Reference Signal (CSI-RS), but it is not used by users in a non-connected state. Therefore, how to configure the reference signal used by the terminal device in the disconnected state has become an urgent problem to be solved.

SUMMARY OF THE INVENTION

Embodiments of the present disclosure provide a communication method, a device, and a storage medium. The base station can determine the configuration information of the reference signal used by the terminal device in the disconnected state according to the first information reported by the terminal device.

In a first aspect, an embodiment of the present disclosure provides a communication method, the method comprising:

sending first information, where the above-mentioned first information is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state;

Wherein, the above-mentioned reference signal includes at least one of a tracking reference signal TRS and a channel state information reference signal CSI-RS.

In a second aspect, an embodiment of the present disclosure provides a communication method, the method comprising:

receiving first information sent by the terminal device, wherein the first information is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state;

Wherein, the above-mentioned reference signal includes at least one of TRS and CSI-RS.

In a third aspect, an embodiment of the present disclosure provides a terminal device, including:

a sending module, configured to send first information, wherein the first information is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state;

In a fourth aspect, an embodiment of the present disclosure provides a network device, including:

a receiving module, configured to receive first information sent by the terminal device, wherein the above-mentioned first information is used by the first base station to determine the configuration information of the reference signal used by the above-mentioned terminal device in the disconnected state;

In a fifth aspect, an embodiment of the present disclosure provides an electronic device, including a processor and a memory, where the processor and the memory are connected to each other;

The above-mentioned memory is used to store computer programs;

The above-mentioned processor is configured to execute the method provided by any optional implementation manner of the above-mentioned first aspect or the second aspect when the above-mentioned computer program is invoked.

In a sixth aspect, embodiments of the present disclosure provide a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and the computer program is executed by a processor to implement any possibility of the first aspect or the second aspect. The method provided by the embodiment.

In the embodiment of the present disclosure, the base station may determine the configuration information of the reference signal used by the terminal device in the disconnected state according to the first information reported by the terminal device.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present disclosure more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic sequence diagram of a communication method provided by an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a terminal device provided by an embodiment of the present disclosure;

3 is a schematic structural diagram of a network device provided by an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of an electronic device provided by an embodiment of the present disclosure.

Detailed ways

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, but not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present disclosure.

The communication methods provided by the embodiments of the present disclosure may be applicable to various communication systems. For example, the applicable system may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, third generation partnership program ( 3rd generation partnership project, 3GPP) related cellular systems, fifth generation (5th generation, 5G) mobile communication systems and subsequent evolved communication systems. Among them, 5G can also be called new radio (NR).

The technical solutions of the present disclosure and how the technical solutions of the present disclosure solve the above-mentioned technical problems will be described in detail below with specific examples. The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present disclosure will be described below with reference to the accompanying drawings.

Referring to FIG. 1 , FIG. 1 is a schematic sequence diagram of a communication method provided by an embodiment of the present disclosure. As shown in FIG. 1 , the communication method provided by the embodiment of the present disclosure may include the following steps:

Step S1, sending first information.

The first information is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state, and may also be referred to as the reference signal reported by the terminal device and used by the first base station to configure the reference signal used by the terminal device in the disconnected state The auxiliary information of the configuration information is not limited here. The reference signal includes at least one of a tracking reference signal TRS and a channel state information reference signal CSI-RS.

The above-mentioned first base station is a base station used to determine the configuration information of the terminal device using the reference signal in the disconnected state based on the first information, that is, the terminal device receives the reference signal sent by the first base station based on the configuration information of the first base station, to The reference signal is used to synchronize with the SSB in the disconnected state.

Wherein, the above-mentioned disconnected state includes a disconnected state and an inactive state.

In some possible implementations, the first information includes at least one of the following information:

Capability information of terminal equipment;

Time domain information of the reference signal;

the device type of the terminal device;

first indication information, where the first indication information is used to indicate whether the terminal device expects to use the reference signal for auxiliary synchronization in the disconnected state;

The second indication information is used to indicate whether the terminal device uses the coverage enhancement technology in the connected state.

Wherein, whether the terminal device expects to use the reference signal in disconnection may indicate whether the user corresponding to the terminal device expects the terminal device to use the reference information in disconnection, that is, the preference of the user corresponding to the terminal device. Alternatively, it may indicate that the terminal device determines whether the terminal device needs to use the reference signal in the disconnected state based on the communication environment, related settings, and the like.

Optionally, the capability information of the terminal device includes at least one of the following:

Information used to indicate whether the terminal equipment supports the use of reference signals for auxiliary synchronization in the disconnected state;

The offset between the transmission time of the reference signal and the paging time.

Wherein, whether the terminal device supports the use of the reference signal in the disconnected state may indicate whether the terminal device has the capability of using the reference signal in the disconnected state.

Wherein, the offset between the sending moment of the reference signal and the paging moment may be at least one of the following:

The offset between the sending moment and the paging moment of the reference signal supported by the terminal device corresponding to the discontinuous reception (Discontinuous Reception, DRX) scenario;

The offset between the sending moment of the reference signal supported by the terminal device and the paging moment corresponding to the Extended Discontinuous Reception (Extended Discontinuous Reception, e-DRX) scenario.

The e-DRX includes at least one of the Long DRX type and the Short DRX type.

That is, the offset between the sending time and the paging time of the reference signal supported by the terminal equipment corresponding to Extended Discontinuous Reception (e-DRX) includes at least one of the following:

Corresponding to the offset between the transmission moment and the paging moment of the reference signal supported by the terminal equipment of the Long DRX type of long discontinuous reception;

The offset between the transmission moment and the paging moment of the reference signal supported by the terminal equipment corresponding to the Short DRX type of short discontinuous reception.

Wherein, the offset between the transmission time of the reference signal supported by the terminal device corresponding to the e-DRX scenario and the paging time can be used to indicate the gap of the eDRX in the eDRX scenario, that is, the paging time window (Paging Time Window, PTW) The first paging time (Paging Occasion, PO). It can also be used to indicate the gap of DRX in the eDRX scenario, that is, other POs in the PTW.

The above offset may be the minimum offset between the sending time of the reference signal supported by the terminal equipment corresponding to each of the above DRX scenarios and the paging time, or may be the offset expected by the terminal equipment, which may be based on the actual terminal equipment. Equipment requirements are determined, and there are no restrictions here. For example, the above offset may be the minimum offset between the sending time and the paging time of the reference signal supported by the terminal device corresponding to each of the above DRX scenarios, and the terminal device may be in the disconnected state compared to the case where the reference signal is not used Next, wake up at the time closest to the paging time, receive the reference signal and use the reference signal for SSB synchronization, so as to save the power consumption of the terminal.

Optionally, the time domain information of the reference signal is expected by the terminal device, and the reference signal used in the disconnected state is related to the time domain configuration information, including but not limited to the use duration of the reference signal, the period of the reference signal, and the reference signal. Time window parameters, etc., can be specifically determined based on the actual requirements of the terminal device, and are not limited here. The time window parameter of the reference signal may be the length of the time window of the reference signal, which may be specifically determined based on the actual requirements of the terminal device, which is not limited here.

Optionally, any piece of information in the first information, such as information used to indicate whether the terminal device supports the use of reference signals in the disconnected state for auxiliary synchronization, and information used to indicate whether the terminal device expects to use the reference signals in the disconnected state. The first indication information used for auxiliary synchronization and the second indication information used to indicate that the terminal device is able to use the coverage enhancement technology in the connected state, etc., may be explicit information or implicit information.

The explicit information can be indicated by one of the first information sent by the terminal device or read bits, and the implicit information can be carried in the first information and can directly determine the relevant information contained in the first information. item information.

For example, the information used to indicate whether the terminal equipment supports the use of reference signals for auxiliary synchronization in the disconnected state may be information that can directly determine whether the terminal equipment supports the use of reference signals for auxiliary synchronization in the disconnected state, such as The first information sent by the terminal device may also indirectly determine whether the terminal device supports the use of reference signals for auxiliary synchronization in a disconnected state.

For example, the information used to indicate whether the terminal device supports the use of the reference signal for auxiliary synchronization in the disconnected state may be identification information, such as a certain bit in the first information, used to explicitly indicate whether the terminal device supports the use of the reference signal in the disconnected state. The connected state uses the reference signal for auxiliary synchronization. Alternatively, the information used to indicate whether the terminal device supports the use of the reference signal in the disconnected state for auxiliary synchronization may be related configuration information, device usage information, etc., used to implicitly indicate whether the terminal device supports the use of the reference signal in the disconnected state. The signal is used to aid in synchronization. For example, the offset between the transmission time of the reference signal and the paging time can also be used as the information indicating whether the terminal device supports the use of the reference signal for auxiliary synchronization in the disconnected state, so as to implicitly indicate whether the terminal device supports the use of the reference signal in the non-connected state. The connected state uses reference signals to aid in synchronization.

For the second indication information, the second indication information may be an indication identifier used to indicate whether the terminal device uses the coverage enhancement technology in the connected state, that is, explicit information. It can also be the number of repetitions of the channel corresponding to the core network device before releasing the context information of the terminal device, that is, the core network device transmits data based on the control channel and/or transmits the service data based on the traffic channel before releasing the context information of the terminal device. frequency.

Wherein, before the core network device releases the context information of the terminal device, the repetition times of transmitting data based on the control channel and/or transmitting the service data based on the traffic channel can side reflect the signal quality of the terminal device. The higher the number of repetitions, the worse the signal quality of the terminal device, which further indicates that the terminal device uses the coverage enhancement technology in the connected state.

Optionally, the device type of the terminal device may also indicate the device type of the terminal device through explicit information, and may also indicate the device type of the terminal device through implicit information such as measurement information of the terminal. The device type of the terminal device may indicate the communication capability, signal quality, etc. of the terminal device, and is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state based on the device type of the terminal device.

In some feasible implementation manners, the terminal device may receive the configuration information of the reference signal sent by the first base station to receive the reference signal based on the configuration information of the reference signal, and then use the reference signal to perform SSB synchronization in the disconnected state.

In some feasible implementations, the terminal device may send the first information to the first base station.

Optionally, when the first base station and the second base station coexist, if the second base station is an anchor base station, the terminal device can send the first information to the second base station, and then the second base station sends the first information to the first base station. a message.

Optionally, for the first base station or the second base station, after releasing the context information of the terminal device, the first base station or the second base station also releases the first information. Therefore, the first base station or the second base station sends the received first information to the core network device, and the core network device stores the first information.

Optionally, under the condition that the terminal device can directly exchange information to the core network, the terminal device can send the first information to the core network device.

The terminal device may send radio resource control (Radio Resource Control, RRC) signaling including the first information to the first base station or the second base station, so as to realize sending the first information to the first base station or the second base station.

Wherein, the above-mentioned RRC signaling includes but is not limited to terminal equipment assistance information UE Assistance Information signaling and terminal equipment capability information UE Capability Information signaling, which is not limited here.

In some possible implementations, the terminal device in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem, and The terminal in the future 5G system or the terminal equipment in the public land mobile network (PLMN) evolved in the future, etc. In different systems, the name of the terminal device may be different. For example, in the 5G system, the terminal device may be called user equipment (User Equipment, UE). It can also be a wireless terminal device that can communicate with one or more core network (Core Network, CN) devices via a radio access network (Radio Access Network, RAN). The wireless terminal device can be a mobile terminal device, such as a mobile phone ( or "cellular" telephones) and computers with mobile terminal equipment, eg portable, pocket-sized, hand-held, computer built-in or vehicle mounted mobile devices, which exchange language and/or data with the radio access network. For example, virtual reality (VR) devices, augmented reality (AR) devices, wireless terminals in industrial control, wireless terminals in self-driving, remote surgery (remote) wireless terminals in medical surgery, wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, or wireless terminals in smart home Wireless Terminal Personal Communication Service (PCS) phone, cordless phone, Session Initiated Protocol (SIP) phone, Wireless Local Loop (WLL) station, Personal Digital Assistant (Personal Digital Assistant, PDA), etc., which are not limited in the embodiments of the present disclosure. Wireless terminal equipment may also be referred to as system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in the embodiments of the present disclosure.

The base station in the embodiment of the present disclosure may include a plurality of cells that provide services for terminal equipment. Depending on the specific application, the base station may also be called an access point, or may be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or other names. The base station may be a NodeB in a GSM system, a CDMA system, or a WCDMA system, an evolved network device (evolutional Node B, eNB or e-NodeB) in an LTE system, or a 5G base station (gNB) in a 5G network architecture. It may also be a Home evolved Node B (Home evolved Node B, HeNB), a relay node (relay node), a home base station (femto), a pico base station (pico), etc., which are not limited in the embodiments of the present disclosure.

The core network equipment in the embodiments of the present disclosure may be used to implement functions such as call connection, charging, mobility management, and supplementary services. In the 5G system, the core network equipment may include, for example, an access and mobility management function (AMF) entity, a session management function (SMF) entity, and a user plane function (UPF) entities, etc., are not limited in this disclosure.

On the other hand, the network device may receive the first information sent by the terminal device, so that the first base station determines the configuration information of the reference signal used by the terminal device in the disconnected state.

Optionally, the first base station determines, based on the first information, the base station that the terminal device uses the configuration information of the reference signal in the disconnected state, and sends the configuration information to the terminal device, so that the terminal device can receive the first base station based on the configuration information of the first base station. A reference signal sent by a base station to synchronize with the SSB using the reference signal in a disconnected state.

In some feasible implementation manners, the network device that receives the first information may be a first base station, a second base station, or a core network device.

Optionally, the first base station may receive the first information sent by the terminal device. The first base station determines, based on the first information, configuration information of the reference signal used by the terminal device in the disconnected state, and sends the configuration information to the terminal device, so that the terminal device can receive the reference signal based on the configuration information.

For the first base station or the second base station, the first base station or the second base station also releases the first information after releasing the context information of the terminal device. Therefore, the first base station can send the first information to the core network device, and the core network device sends the first information to the first base station when it initiates paging to the terminal device again.

Optionally, when the second base station and the first base station are different base stations, if the second base station is an anchor base station, the second base station can receive the first information sent by the terminal device, and then send the first information to the first base station. The base station is used for the first base station to determine, based on the first information, the configuration information of the reference signal used by the terminal device in the disconnected state, and send the configuration information to the terminal device.

Alternatively, after receiving the first information sent by the terminal device, the second base station sends the first information to the core network device. The core network device sends the first information to the second base station when it initiates paging to the terminal device again, and the first base station sends the first information to the first base station.

Optionally, in a scenario where the terminal device can communicate directly with the core network, the core network can directly send the first information to the core network device, and the core network device sends the first information to the terminal device when paging again. The first base station (the first base station and the second base station are the same base station), or the first information is sent to the second base station, and the second base station sends the first information to the first base station (the second base station and the first base station are different base station, the second base station is the anchor base station).

Wherein, the first base station or the second base station can obtain the first information from RRC signaling sent by the terminal equipment, and the RRC signaling includes but is not limited to terminal equipment assistance information UE Assistance Information signaling and terminal equipment capability information UE Capability Information signaling , which is not limited here. For example, it is carried in the UE-RadioPagingInfo message in the UE Capability Information signaling.

Optionally, the second base station sends the first information to the first base station, including:

receiving request information sent by the first base station, where the request information is used to request request information for obtaining the first information;

The second base station transmits the first information to the first base station in response to the request information.

The above request information may be included in various signaling messages sent by the first base station to the second base station, which is not limited herein. For example, the second base station may receive the terminal equipment context acquisition request RETRIEVE UE CONTEXT REQUEST message sent by the first base station, and acquire the request information contained in the RETRIEVE UE CONTEXT REQUEST message.

The above-mentioned request information may also be explicit information, for example, the first base station sends a signaling message carrying an indication identifier as explicit information to the second base station, and the second base station determines the indication identifier to instruct the first base station to obtain the first base station. After a piece of information (eg, the indication identifier is 1), the first information is sent to the first base station.

The second base station sends the first information to the first base station, and the first information may be included in the inter-base station interaction message or the paging message sent to the first base station. Wherein, the interaction messages between base stations include but are not limited to the terminal equipment context acquisition request Retrieve UE CONTEXT REQUEST message or the terminal equipment context acquisition response Retrieve UE CONTEXT RESPONSE message, which is not limited here.

The second base station may add a new information element (information element, IE) to the inter-base station interaction message sent to the first base station, and carry the first information through the new IE.

Wherein, the second base station can also carry the first information through the UE Radio Paging Information message.

The first base station may add the above request information by adding a new IE and other fields in the interaction information between base stations, which is not limited herein.

Wherein, for any one of the first base station and the second base station, sending the first information to the core network device may include any of the following:

sending a release message corresponding to the context information of the terminal device to the core network device, where the release message includes the first information;

Send the terminal device wireless capability information to the core network device to notify the UE RADIO CAPABILITY INFO INDICATION, where the UE RADIO CAPABILITY INFO INDICATION contains the first information.

Optionally, in the case where the second base station and the first base station are different base stations, if the second base station is an anchor base station, the core network device may send a paging message to the second base station to the second base station in response to sending a paging message for the terminal device. The base station sends the first information. That is, the core network device can send the first information to the second base station when it initiates paging to the terminal device again, so that the second base station can send the first information to the first base station, and the first base station determines based on the first information that the terminal device is in Configuration information of the reference signal used in the disconnected state.

Alternatively, when the second base station and the first base station are the same base station, the core network device may send the first information to the first base station in response to sending a paging message for the terminal device to the first base station.

Capability information of terminal equipment;

Time domain information of the reference signal;

the device type of the terminal device;

Information used to indicate whether the terminal equipment supports the use of reference signals in the disconnected state;

The e-DRX includes at least one of the Long DRX type and the Short DRX type. For details, refer to the foregoing optional embodiments, which describe various optional implementation manners of the communication method provided by the present disclosure with a terminal device as an execution subject.

Wherein, before the core network device releases the context information of the terminal device, the repetition times of transmitting data based on the control channel and/or transmitting the service data based on the traffic channel can laterally reflect the signal quality of the terminal device. The higher the number of repetitions, the worse the signal quality of the terminal device, which further indicates that the terminal device uses the coverage enhancement technology in the connected state.

Optionally, the device type of the above-mentioned terminal device can also indicate the device type of the terminal device through explicit information, or can also indicate the device type of the terminal device through implicit information such as measurement information of the terminal, etc. For details, please refer to the foregoing. In each optional embodiment, various optional implementation manners of the communication method provided by the present disclosure are described with a terminal device as an execution subject.

In the embodiment of the present disclosure, the first base station can determine the configuration information of the reference signal used by the terminal device in the disconnected state through various information sent by the terminal device, and then the terminal device can be based on the configuration information of the reference signal sent by the first base station. A reference signal is received for use in a disconnected state to aid in synchronization. Further, the first base station can receive the first information through network equipment such as the core network equipment and the second base station, which can avoid that the reference signal used by the terminal equipment in the disconnected state cannot be determined due to the release of the received first information by the first base station. The configuration information problem, the applicability is higher.

Referring to FIG. 2, FIG. 2 is a schematic structural diagram of a terminal device provided by an embodiment of the present disclosure. The terminal device 1 provided by the embodiment of the present disclosure includes:

The sending module 11 is configured to send first information, wherein the above-mentioned first information is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state;

In some feasible implementation manners, the above-mentioned sending module 11 is configured to send the first information to a network device, wherein the above-mentioned network device is a first base station, a second base station or a core network device.

In some feasible implementation manners, the above-mentioned first information includes at least one of the following information:

Capability information of the above-mentioned terminal equipment;

the time domain information of the above reference signal;

The equipment type of the above terminal equipment;

first indication information, where the above-mentioned first indication information is used to indicate whether the above-mentioned terminal device expects to use the above-mentioned reference signal in a disconnected state;

The second indication information, where the above-mentioned second indication information is used to indicate whether the above-mentioned terminal device uses the coverage enhancement technology in the connected state.

In some feasible implementation manners, the foregoing second indication information includes at least one of the following:

An indicator used to indicate whether the above-mentioned terminal device uses the coverage enhancement technology in the connected state;

The number of repetitions of the channel corresponding to the core network device before releasing the context information of the terminal device, where the channel includes at least one of a control channel and a traffic channel.

In some feasible implementation manners, the above-mentioned capability information includes at least one of the following:

Information used to indicate whether the above-mentioned terminal equipment supports the use of the above-mentioned reference signal in the disconnected state;

In some feasible implementation manners, the offset between the sending moment of the reference signal and the paging moment is at least one of the following:

The offset between the transmission moment and the paging moment of the reference signal supported by the above-mentioned terminal equipment corresponding to the discontinuous reception DRX scenario;

Corresponding to the offset between the transmission moment and the paging moment of the reference signal supported by the terminal equipment in the extended discontinuous reception e-DRX scenario;

The above-mentioned e-DRX includes at least one of the Long DRX type and the Short DRX type.

In some feasible implementation manners, the above-mentioned time domain information includes at least one of the following:

The duration of the reference signal, the period of the reference signal, and the time window parameter of the reference signal are used.

In some feasible implementation manners, the above-mentioned terminal device 1 further includes a receiving module 12, which is configured as:

The configuration information of the reference signal sent by the first base station is received, so as to receive the reference signal based on the configuration information.

In some feasible implementation manners, the above-mentioned sending module 11 is further configured to:

Send radio resource control RRC signaling to the first base station or the second base station, where the RRC signaling includes the first information.

In some feasible embodiments, the above-mentioned RRC signaling includes at least one of terminal equipment assistance information UE Assistance Information signaling and terminal equipment capability information UE Capability Information signaling.

Referring to FIG. 3 , FIG. 3 is a schematic structural diagram of a network device provided by an embodiment of the present disclosure. The network device 2 provided by the embodiment of the present disclosure includes:

The receiving module 21 is configured to receive the first information sent by the terminal device, wherein the above-mentioned first information is used by the first base station to determine the configuration information of the reference signal used by the above-mentioned terminal device in the disconnected state;

In some feasible implementation manners, the above-mentioned network device is a first base station, a second base station or a core network device.

In some feasible implementation manners, the above method is performed by the first base station or core network device, and the network device 2 includes a sending module 22, which is configured as:

The above-mentioned first information is sent to the above-mentioned first base station.

In some feasible implementation manners, the above-mentioned method is performed by the second base station, and the above-mentioned network device 2 includes a receiving module 21, and the above-mentioned receiving module 21 is configured as:

receiving request information sent by the first base station, where the request information is used to request to obtain the first information, and in response to the request information, sending the first information to the first base station;

The above-mentioned sending module 22 is configured as:

Send a paging message to the first base station, where the paging message includes the first information.

In some feasible implementation manners, the above-mentioned method is performed by a core network device, and the above-mentioned sending module 22 is configured to:

In response to sending a paging message corresponding to the terminal device to the second base station, the first information is sent to the second base station.

In some feasible implementation manners, the above-mentioned method is performed by a core network device, and the above-mentioned receiving module 21 is configured to:

Receive the RETRIEVE UE CONTEXT REQUEST message sent by the above-mentioned first base station, where the above-mentioned RETRIEVE UE CONTEXT REQUEST message includes the above-mentioned request information.

sending an inter-base station interaction message to the above-mentioned first base station, where the above-mentioned inter-base station interaction message includes the above-mentioned first information;

The above-mentioned interaction message between base stations is a Retrieve UE CONTEXT REQUEST message or a Retrieve UE CONTEXT RESPONSE message.

In some feasible implementation manners, the above-mentioned method is performed by the first base station or the second base station, and the above-mentioned sending module 22 is configured to:

The above-mentioned first information is sent to the core network device.

In some feasible implementation manners, the above-mentioned first information sent to the core network device includes any of the following:

Send the terminal equipment wireless capability information notification UE RADIO CAPABILITY INFO INDICATION to the above-mentioned core network equipment, and the above-mentioned terminal equipment wireless capability information notification includes the above-mentioned first information.

In some feasible implementation manners, the above-mentioned method is performed by the first base station, and the above-mentioned sending module 22 is configured to:

Determine, based on the first information, the configuration information of the reference signal used by the terminal device in the disconnected state;

The configuration information is sent to the terminal device, so that the terminal device receives the reference signal based on the configuration information.

Capability information of the above-mentioned terminal equipment;

the time domain information of the above reference signal;

The equipment type of the above terminal equipment;

In some feasible implementation manners, the above method is performed by the first base station or the second base station, and the above receiving module 21 is configured as:

Receive the RRC signaling sent by the terminal device, where the RRC signaling includes the first information.

Referring to FIG. 4 , FIG. 4 is a schematic structural diagram of an electronic device provided by an embodiment of the present disclosure. As shown in FIG. 4 , the electronic device 1000 in this embodiment may include: a processor 1001 , a network interface 1004 and a memory 1005 . In addition, the above-mentioned electronic device 1000 may further include: a user interface 1003 , and at least one communication bus 1002 . Among them, the communication bus 1002 is used to realize the connection and communication between these components. The user interface 1003 may include a display screen (Display) and a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. Optionally, the network interface 1004 may include a standard wired interface and a wireless interface (eg, a WI-FI interface). The memory 1004 may be high-speed RAM memory or non-volatile memory, such as at least one disk memory. Optionally, the memory 1005 may also be at least one storage device located away from the aforementioned processor 1001 . As shown in FIG. 4 , the memory 1005 as a computer-readable storage medium may include an operating system, a network communication module, a user interface module, and a device control application program.

In the electronic device 1000 shown in FIG. 4 , the network interface 1004 can provide a network communication function; the user interface 1003 is mainly used to provide an input interface for the user; and the processor 1001 can be used to call the device control application stored in the memory 1005 The program executes the method provided by any optional embodiment of the present disclosure.

A method provided by any optional embodiment of the present disclosure. Specifically, the electronic device may be a terminal device, and may implement the method for switching frequency domain resources performed by the terminal device as provided in any of the foregoing optional embodiments of the present disclosure. The electronic device may also implement a network device, and the network device may implement the frequency operation provided in any of the foregoing optional embodiments of the present disclosure and executed by the network device (the first base station, the second base station, or the core network device) as the execution subject. Switching method for domain resources.

It should be understood that, in some feasible implementation manners, the above-mentioned processor 1001 may be a central processing unit (central processing unit, CPU), and the processor may also be other general-purpose processors, digital signal processors (digital signal processor, DSP) , application specific integrated circuit (ASIC), off-the-shelf programmable gate array (field-programmable gate array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The memory, which may include read-only memory and random access memory, provides instructions and data to the processor. A portion of the memory may also include non-volatile random access memory. For example, the memory may also store device type information.

Embodiments of the present disclosure further provide a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and is executed by a processor to implement the implementation manners provided by the foregoing steps, which will not be repeated here.

The above-mentioned computer-readable storage medium may be an internal storage unit of the task processing apparatus provided in any of the foregoing embodiments, such as a hard disk or a memory of an electronic device. The computer-readable storage medium can also be an external storage device of the electronic device, such as a pluggable hard disk, a smart media card (SMC), a secure digital (SD) card equipped on the electronic device, Flash card (flash card), etc. The above-mentioned computer-readable storage medium may also include a magnetic disk, an optical disk, a read-only memory (ROM) or a random access memory (RAM), and the like. Further, the computer-readable storage medium may also include both an internal storage unit of the electronic device and an external storage device. The computer-readable storage medium is used to store the computer program and other programs and data required by the electronic device. The computer-readable storage medium can also be used to temporarily store data that has been or will be output.

The terms "first", "second" and the like in the claims and description of the present disclosure and the drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or electronic device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also Include other steps or units inherent to these processes, methods, products or electronic devices. Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present disclosure. The appearance of this phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments. As used in this disclosure and the appended claims, the term "and/or" refers to and including any and all possible combinations of one or more of the associated listed items.

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two, in order to clearly illustrate the differences between hardware and software Interchangeability, the above description has generally described the components and steps of each example in terms of function. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this disclosure.

The above disclosures are only preferred embodiments of the present disclosure, and cannot be used to limit the scope of rights of the present disclosure. Therefore, equivalent changes made according to the claims of the present disclosure are still within the scope of the present disclosure.

Claims

A communication method, characterized in that the method comprises:

sending first information, where the first information is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state;

Wherein, the reference signal includes at least one of a tracking reference signal TRS and a channel state information reference signal CSI-RS.
The method according to claim 1, wherein the sending the first information comprises:

Send the first information to a network device, where the network device is a first base station, a second base station, or a core network device.
The method according to claim 1, wherein the first information includes at least one of the following information:

capability information of the terminal device;

time domain information of the reference signal;

the device type of the terminal device;

first indication information, where the first indication information is used to indicate whether the terminal device expects to use the reference signal in a disconnected state;

second indication information, where the second indication information is used to indicate whether the terminal device uses the coverage enhancement technology in the connected state.
The method according to claim 3, wherein the second indication information includes at least one of the following:

An indicator used to indicate whether the terminal device uses the coverage enhancement technology in the connected state;

The number of repetitions of the channel corresponding to the core network device before releasing the context information of the terminal device, where the channel includes at least one of a control channel and a traffic channel.
The method according to claim 3, wherein the capability information includes at least one of the following:

information used to indicate whether the terminal device supports the use of the reference signal in a disconnected state;

The offset between the transmission moment of the reference signal and the paging moment.
The method according to claim 5, wherein the offset between the sending moment of the reference signal and the paging moment is at least one of the following:

The offset between the transmission moment and the paging moment of the reference signal supported by the terminal device corresponding to the DRX scenario of discontinuous reception;

Corresponding to the offset between the sending moment and the paging moment of the reference signal supported by the terminal equipment in the extended discontinuous reception e-DRX scenario;

The e-DRX includes at least one of a Long DRX type and a Short DRX type.
The method according to claim 3, wherein the time domain information includes at least one of the following:

The duration of the reference signal, the period of the reference signal, and the time window parameters of the reference signal are used.
The method according to claim 1, wherein the method further comprises:

The configuration information of the reference signal sent by the first base station is received to receive the reference signal based on the configuration information.
The method according to claim 2, wherein sending the first information to the first base station or the second base station comprises:

Send radio resource control RRC signaling to the first base station or the second base station, where the RRC signaling includes the first information.
The method according to claim 9, wherein the RRC signaling includes at least one of terminal equipment assistance information UE Assistance Information signaling and terminal equipment capability information UE Capability Information signaling.
A communication method, characterized in that the method comprises:

receiving the first information sent by the terminal device, wherein the first information is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state;

Wherein, the reference signal includes at least one of TRS and CSI-RS.
The method according to claim 11, wherein the method is applied to the first base station, the second base station or the core network device.
The method according to claim 11, wherein the method is applied to a second base station or a core network device, and the method further comprises:

The first information is sent to the first base station.
The method according to claim 13, wherein the method is applied to a second base station, and the sending the first information to the first base station comprises at least one of the following:

receiving request information sent by the first base station, where the request information is used to request to obtain the first information, and in response to the request information, sending the first information to the first base station;

A paging message is sent to the first base station, the paging message including the first information.
The method according to claim 13, wherein the method is applied to the core network device, and the method further comprises:

The first information is sent to the second base station in response to sending a paging message corresponding to the terminal device to the second base station.
The method according to claim 14, wherein the method is applied to the second base station, and the receiving the request information sent by the first base station comprises:

A RETRIEVE UE CONTEXT REQUEST message sent by the first base station is received, where the RETRIEVE UE CONTEXT REQUEST message includes the request information.
The method according to claim 13, wherein the method is applied to the second base station, and the sending the first information to the first base station comprises:

sending an inter-base station interaction message to the first base station, where the inter-base station interaction message includes the first information;

The inter-base station interaction message is a Retrieve UE CONTEXT REQUEST message or a Retrieve UE CONTEXT RESPONSE message.
The method according to claim 11, wherein the method is applied to the first base station or the second base station, and the method further comprises:

Send the first information to the core network device.
The method according to claim 18, wherein the sending the first information to the core network device comprises any one of the following:

sending a release message corresponding to the context information of the terminal device to the core network device, where the release message includes the first information;

Send the terminal device radio capability information notification UE RADIO CAPABILITY INFO INDICATION to the core network device, and the terminal device radio capability information notification includes the first information.
The method according to claim 11, wherein the method is applied to the first base station, and the method further comprises:

determining, based on the first information, configuration information of a reference signal used by the terminal device in a disconnected state;

The configuration information is sent to the terminal device, so that the terminal device receives the reference signal based on the configuration information.
The method according to claim 11, wherein the first information includes at least one of the following information:

capability information of the terminal device;

time domain information of the reference signal;

the device type of the terminal device;

first indication information, where the first indication information is used to indicate whether the terminal device expects to use the reference signal in a disconnected state;

Second indication information, where the second indication information is used to indicate whether the terminal device uses the coverage enhancement technology in the connected state.
The method according to claim 21, wherein the second indication information comprises at least one of the following:

An indicator used to indicate whether the terminal device uses the coverage enhancement technology in the connected state;

The number of repetitions of the channel corresponding to the core network device before releasing the context information of the terminal device, where the channel includes at least one of a control channel and a traffic channel.
The method according to claim 21, wherein the capability information includes at least one of the following:

information used to indicate whether the terminal device supports the use of the reference signal in a disconnected state;

The offset between the transmission moment of the reference signal and the paging moment.
The method according to claim 23, wherein the offset between the sending moment of the reference signal and the paging moment is at least one of the following:

The offset between the transmission moment and the paging moment of the reference signal supported by the terminal equipment corresponding to the DRX scenario of discontinuous reception;

Corresponding to the offset between the sending moment and the paging moment of the reference signal supported by the terminal equipment in the extended discontinuous reception e-DRX scenario;

The e-DRX includes at least one of a Long DRX type and a Short DRX type.
The method according to claim 21, wherein the time domain information comprises at least one of the following:

The duration of the reference signal, the period of the reference signal, and the time window parameters of the reference signal are used.
The method according to claim 11, wherein the method is applied to the first base station and the second base station, and the receiving the first information sent by the terminal device comprises:

Receive the RRC signaling sent by the terminal device, where the RRC signaling includes the first information.
The method according to claim 26, wherein the RRC signaling includes at least one of terminal equipment assistance information UE Assistance Information signaling and terminal equipment capability information UE Capability Information signaling.
A terminal device, wherein the device comprises:

a sending module, configured to send first information, where the first information is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state;

Wherein, the reference signal includes at least one of a tracking reference signal TRS and a channel state information reference signal CSI-RS.
A network device, wherein the device comprises:

a receiving module, configured to receive first information sent by the terminal device, wherein the first information is used by the first base station to determine the configuration information of the reference signal used by the terminal device in the disconnected state;

Wherein, the reference signal includes at least one of TRS and CSI-RS.
An electronic device, characterized in that it comprises a processor and a memory, and the processor and the memory are connected to each other;

the memory is used to store computer programs;

The processor is configured to perform the method of any one of claims 1 to 10 or the method of any one of claims 11 to 27 when the computer program is invoked.
A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program, and the computer program is executed by a processor to implement the method of any one of claims 1 to 10 or claim 11 The method of any one of to 27.