CN113613235B

CN113613235B - Frequency offset adjusting method and device, terminal and network equipment

Info

Publication number: CN113613235B
Application number: CN202110854058.2A
Authority: CN
Inventors: 曾利浪; 赵况平
Original assignee: Spreadtrum Communications Shanghai Co Ltd
Current assignee: Spreadtrum Communications Shanghai Co Ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-12-27
Anticipated expiration: 2041-07-27
Also published as: CN113613235A

Abstract

The embodiment of the application discloses a frequency offset adjusting method and device, a terminal and network equipment, wherein the method comprises the following steps: the method comprises the steps that a terminal firstly obtains the time length of the terminal in an idle state of a first cell (a service cell provided by first network equipment), obtains a CRS of second network equipment under the condition that the time length is longer than preset time length, then determines the frequency offset of a TSX (time series terminal) of the terminal according to the CRS, and generates and sends indication information used for indicating the frequency offset between the terminal and the first network equipment to the first network equipment according to the frequency offset of the TSX when the terminal is switched from the idle state of the first cell to a connection state of the first cell. It can be seen that, in the embodiment of the present application, since the frequency offset of the TSX is determined based on the CRS in the first communication system corresponding to the terminal and the second network device, the frequency offset of the terminal and the frequency offset of the second communication system corresponding to the first network device are determined by using the frequency offset of the TSX, which avoids determining the frequency offset of the TSX through the two communication systems, respectively, thereby reducing the power consumption of the terminal.

Description

Frequency offset adjusting method and device, terminal and network equipment

Technical Field

The present application relates to the field of communications technologies, and in particular, to a frequency offset adjustment method and apparatus, a terminal, and a network device.

Background

At present, a clock used by a terminal is generally a Temperature Sensing Crystal (TSX), and the terminal can support a 4G network system and a 5G network system, and in a running process, a frequency of the TSX is subject to Temperature change, and a communication system where the terminal is located has frequency offset in a communication process due to large TSX output frequency change along with the Temperature, and the frequency offset needs to be corrected.

In the prior art, when a terminal supports a 4G network system and a 5G network system, the terminal can communicate with a New Radio (NR) network device and a Long Term Evolution (LTE) network device, the terminal needs to determine a frequency offset of a TSX by acquiring a CRS of the NR network device, and then determines a frequency offset of the terminal and the NR network device, and the terminal needs to determine a frequency offset of a TSX by acquiring a CRS of the LTE network device, and then determines a frequency offset of the terminal and the LTE network device.

Disclosure of Invention

The embodiment of the application provides a frequency offset adjusting method and device, a terminal and network equipment, so that the frequency offset of a TSX is expected to be determined based on a CRS (cell-specific reference signal) in a first communication system corresponding to the terminal and second network equipment, the frequency offset of the TSX is determined by utilizing the frequency offset of the TSX, the frequency offset of the TSX is prevented from being respectively determined by two communication systems, and the power consumption of the terminal is reduced.

In a first aspect, an embodiment of the present application provides a frequency offset adjustment method, applied to a terminal, including:

acquiring the time length of the terminal in an idle state of a first cell, wherein the first cell is a service cell provided by first network equipment;

acquiring a cell reference signal CRS of second network equipment under the condition that the time length is greater than a preset time length;

determining the frequency offset of a temperature sensing crystal TSX of the terminal according to the CRS;

when the terminal is switched from the idle state of the first cell to the connection state of the first cell, generating indication information according to the frequency offset of the TSX, and sending the indication information to the first network device, wherein the indication information is used for indicating the frequency offset between the terminal and the first network device.

In a second aspect, an embodiment of the present application provides a frequency offset adjustment method, applied to a first network device, including:

receiving indication information from a terminal, wherein the indication information is used for indicating frequency offset between the terminal and the first network device, the indication information is information generated according to frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is frequency offset determined according to a Cell Reference Signal (CRS) of a second network device, the CRS is a CRS obtained when the terminal is in an idle state of a first cell for a time period longer than a preset time period, and the first cell is a serving cell provided by the first network device;

and adjusting the frequency offset between the terminal and the first network equipment according to the indication information.

In a third aspect, an embodiment of the present application provides a frequency offset adjustment method, which is applied to a second network device, and the method includes:

sending the duration of the terminal in an idle state of a first cell to the terminal, wherein the first cell is a service cell provided by first network equipment;

and sending a Cell Reference Signal (CRS) of a second network device to the terminal under the condition that the duration is greater than a preset duration, wherein the CRS is used for determining the frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is used for generating indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used for indicating the frequency offset between the terminal and the first network device.

In a fourth aspect, an embodiment of the present application provides a frequency offset adjustment apparatus, which is applied to a terminal, and the apparatus includes a processing unit and a communication unit, where the processing unit is configured to obtain, by using the communication unit, a duration that the terminal is in an idle state of a first cell, and the first cell is a serving cell provided by a first network device; and the cell reference signal CRS is used for acquiring the cell reference signal CRS of the second network equipment through the communication unit under the condition that the time length is greater than the preset time length; and the frequency offset is used for determining the frequency offset of the temperature sensing crystal TSX of the terminal according to the CRS; and when the terminal is switched from the idle state of the first cell to the connected state of the first cell, generating indication information according to the frequency offset of the TSX, and sending the indication information to the first network device through the communication unit, where the indication information is used to indicate the frequency offset between the terminal and the first network device.

In a fifth aspect, an embodiment of the present application provides a frequency offset adjustment apparatus, which is applied to a first network device, and includes a processing unit and a communication unit, where,

the processing unit is configured to receive, by the communication unit, indication information from a terminal, where the indication information is used to indicate frequency offset between the terminal and the first network device, the indication information is information generated according to frequency offset of a temperature sensing crystal TSX of the terminal, the frequency offset of the TSX is frequency offset determined according to a cell reference signal CRS of a second network device, the CRS is a CRS obtained when a duration of the terminal in an idle state of a first cell is greater than a preset duration, and the first cell is a serving cell provided by the first network device; and the frequency offset adjusting unit is used for adjusting the frequency offset between the terminal and the first network equipment according to the indication information.

In a sixth aspect, an embodiment of the present application provides a frequency offset adjustment apparatus, applied to a second network device, the apparatus includes a processing unit and a communication unit, where,

the processing unit is configured to send, to a terminal through the communication unit, a duration that the terminal is in an idle state of a first cell, where the first cell is a serving cell provided by a first network device; and the cell reference signal CRS of the second network device is sent to the terminal through the communication unit when the duration is greater than a preset duration, where the CRS is used to determine a frequency offset of a temperature sensing crystal TSX of the terminal, and the frequency offset of the TSX is used to generate indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used to indicate the frequency offset between the terminal and the first network device.

In a seventh aspect, an embodiment of the present application provides a chip, where the chip is configured to: acquiring the time length of the terminal in an idle state of a first cell, wherein the first cell is a service cell provided by first network equipment;

determining the frequency deviation of a temperature sensing crystal TSX of the terminal according to the CRS;

when the terminal is switched from the idle state of the first cell to the connection state of the first cell, generating indication information according to the frequency offset of the TSX, and sending the indication information to the first network device, where the indication information is used to indicate the frequency offset between the terminal and the first network device.

In an eighth aspect, an embodiment of the present application provides a chip module, where the chip module includes a transceiver component and a chip, and the chip is configured to: acquiring the time length of the terminal in an idle state of a first cell through the transceiving component, wherein the first cell is a service cell provided by first network equipment; acquiring a cell reference signal CRS of second network equipment under the condition that the time length is greater than a preset time length; determining the frequency deviation of a temperature sensing crystal TSX of the terminal according to the CRS; when the terminal is switched from the idle state of the first cell to the connection state of the first cell, generating indication information according to the frequency offset of the TSX, and sending the indication information to the first network device through the transceiving component, where the indication information is used to indicate the frequency offset between the terminal and the first network device.

In a ninth aspect, an embodiment of the present application provides a chip, where the chip is configured to: receiving indication information from a terminal, wherein the indication information is used for indicating frequency offset between the terminal and the first network device, the indication information is information generated according to frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is frequency offset determined according to a Cell Reference Signal (CRS) of a second network device, the CRS is a CRS obtained when the terminal is in an idle state of a first cell for a time period longer than a preset time period, and the first cell is a serving cell provided by the first network device;

In a tenth aspect, an embodiment of the present application provides a chip module, where the chip module includes a transceiver component and a chip, and the chip is configured to: receiving, by the transceiver component, indication information from a terminal, where the indication information is used to indicate frequency offset between the terminal and the first network device, where the indication information is information generated according to frequency offset of a temperature sensing crystal TSX of the terminal, the frequency offset of the TSX is frequency offset determined according to a cell reference signal CRS of a second network device, the CRS is a CRS acquired when a duration of the terminal in an idle state of a first cell is greater than a preset duration, and the first cell is a serving cell provided by the first network device; and adjusting the frequency offset between the terminal and the first network equipment according to the indication information.

In an eleventh aspect, an embodiment of the present application provides a chip, where the chip is configured to: sending the duration of the terminal in an idle state of a first cell to the terminal, wherein the first cell is a service cell provided by first network equipment; and sending a Cell Reference Signal (CRS) of a second network device to the terminal under the condition that the duration is greater than a preset duration, wherein the CRS is used for determining the frequency deviation of a temperature sensing crystal (TSX) of the terminal, the frequency deviation of the TSX is used for generating indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used for indicating the frequency deviation between the terminal and the first network device.

In a twelfth aspect, an embodiment of the present application provides a chip module, where the chip module includes a transceiver component and a chip, and the chip is configured to: sending the time length of the terminal in an idle state of a first cell to the terminal through the transceiving component, wherein the first cell is a service cell provided by first network equipment; and sending a Cell Reference Signal (CRS) of a second network device to the terminal when the duration is greater than a preset duration, wherein the CRS is used for determining a frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is used for generating indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used for indicating the frequency offset between the terminal and the first network device.

In a thirteenth aspect, an embodiment of the present application provides an electronic device, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the one or more programs include instructions for performing steps of any of the methods in the first, second, and third aspects of the embodiments of the present application.

In a fourteenth aspect, this application embodiment provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program causes a computer to perform some or all of the steps described in any one of the methods of the first, second, and third aspects of this application embodiment.

In a fifteenth aspect, the present application provides a computer program, wherein the computer program is operable to cause a computer to perform some or all of the steps as described in any of the methods of the first, second, and third aspects of the embodiments of the present application. The computer program may be a software installation package.

It can be seen that, in the embodiment of the present application, the terminal first obtains a duration that the terminal is in an idle state of a first cell (a serving cell provided by a first network device), and obtains a CRS of a second network device when the duration is greater than a preset duration, and then determines a frequency offset of a TSX of the terminal according to the CRS, and when the terminal is switched from the idle state of the first cell to a connection state of the first cell, generates and sends, to the first network device, indication information for indicating the frequency offset between the terminal and the first network device according to the frequency offset of the TSX. Therefore, in the embodiment of the application, because the frequency offset of the TSX is determined based on the CRS in the first communication system corresponding to the terminal and the second network device, the frequency offset of the terminal and the frequency offset of the second communication system corresponding to the first network device are determined by using the frequency offset of the TSX, and it is avoided that the frequency offsets of the TSX are determined by two communication systems respectively, so that the power consumption of the terminal is reduced.

Drawings

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

Fig. 1 is a schematic architecture diagram of a communication system according to an embodiment of the present application;

fig. 2 is a schematic flowchart of a frequency offset adjustment method according to an embodiment of the present application;

fig. 3 is a block diagram illustrating functional units of a frequency offset adjustment apparatus according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without making any creative effort with respect to the embodiments in the present application belong to the protection scope of the present application.

The embodiments of the present application have been described with reference to a terminal, a first network device, and a second network device. This will be described in detail below.

Specifically, the terminal in this embodiment may be a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, an intelligent terminal, a wireless communication device, a user agent, or a user equipment. The terminal is a terminal that supports two network systems, namely, a 4G network system and a 5G network system, or can support any other two network systems in the future, and this is not particularly limited.

Further, the terminal can be deployed on land, including indoors or outdoors, hand-held, wearable or vehicle-mounted; can be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.).

Further, the terminal may be a mobile phone (mobile phone), a tablet computer, a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal device in industrial control (industrial control), a vehicle-mounted device in self driving (self driving), a wireless terminal device in remote medical (remote medical), a wireless terminal device in smart grid (smart grid), a wireless terminal device in transportation safety (transportation safety), a wireless terminal device in smart city (smart city), a wireless terminal device in smart home (smart home), or the like.

Specifically, the first network device in this embodiment may be an evolved node B (eNB or eNodeB) in a Long Term Evolution (LTE) communication system, and the second network device may be a base station (gNB) in a New Radio (NR) communication system. The second network device in this embodiment may be an evolved node B (eNB) or eNodeB in a Long Term Evolution (LTE) communication system, and the first network device may be a base station (gNB) in a New Radio (NR) communication system.

An exemplary communication system applied in the embodiment of the present application is shown in fig. 1. The NSA communication system 100 may comprise a terminal 110, a first network device 120, a second network device 130, a core network 140. The core network 140 is connected to the first network device 120 and the second network device 130, the terminal 110 supports two different network types, and the first network device 120 and the second network device 130 are network devices corresponding to the different network types.

In conjunction with the above description, an embodiment of the present application provides a flow chart of a frequency offset adjustment method, which is applied to a communication system shown in fig. 1, please refer to fig. 2. The method comprises the following steps:

s201, the second network equipment sends the time length of the terminal in the idle state of the first cell to the terminal.

The first cell is a serving cell provided by a first network device.

S202, the terminal obtains the time length of the terminal in the idle state of the first cell from the second network equipment.

S203, the second network device sends a Cell Reference Signal CRS (CRS) of the second network device to the terminal when the duration is greater than the preset duration.

The preset time lengths of the communication systems corresponding to different first network equipment and second network equipment may be different, and a user may set the preset time lengths as needed.

In specific implementation, the preset duration may be adjusted according to the frequency offset resistance corresponding to the terminal and the first network device and the ppm index of the percent failure rate of the components of the TSX device. That is, the preset time length is used to reflect the frequency offset resistance corresponding to the terminal and the first network device and the part per million (ppm) rejection rate index of the TSX device.

For example, when the first network device is an NR network device and the second network device is an LTE network device, the preset duration may be 160ms.

And S204, under the condition that the time length is greater than the preset time length, the terminal acquires a cell reference signal CRS of the second network equipment.

Wherein the acquiring the cell reference signal CRS of the second network device includes: judging whether the terminal is in a connection state of a second cell, wherein the second cell is a service cell provided by the second network equipment; and if the terminal is in the connection state of the second cell, acquiring the CRS of the second network equipment.

That is, when the terminal is in the connected state of the second cell, the terminal may directly obtain the CRS of the second network device, so as to obtain the frequency offset tracking result of the TSX, and when the terminal is switched to the connected state of the second cell, the first communication system corresponding to the terminal and the first network device may adjust the frequency offset of the first communication system based on the frequency offset tracking result.

Further, when the first network device is an NR network device and the second network device is an LTE network device, the method further includes: if the terminal is in the idle state of the second cell, acquiring reference time, wherein the reference time refers to time for switching the terminal from the idle state of the first cell to the connection state of the first cell; determining a target downlink subframe position of the terminal aiming at the second network equipment according to the reference time, wherein the target downlink subframe position is before the reference time, and the value of a time gap from the target downlink subframe position to the reference time is smaller than the value of the time length of a Synchronous Signal Block (SSB) period between the terminal and the first network equipment; and switching the terminal from an idle state of the second cell to a connected state of the second cell at the target downlink subframe position, and receiving the CRS of the second network equipment at the target downlink subframe position.

Preferably, the target downlink subframe position is a downlink subframe position closest to the reference time.

S205, the terminal determines the frequency offset of the TSX according to the CRS.

S206, when the terminal is switched from the idle state of the first cell to the connection state of the first cell, the terminal generates indication information according to the frequency deviation of the TSX and sends the indication information to the first network equipment.

The indication information is used for indicating frequency offset between the terminal and the first network equipment.

S207, the first network equipment receives the indication information from the terminal.

And S208, the first network equipment adjusts the frequency offset between the terminal and the first network equipment according to the indication information.

It should be noted that, when the first network device is an NR network device and the second network device is an LTE network device, in the prior art, in order to obtain the first communication system corresponding to the terminal and the NR network device, during an idle state of the terminal in a first cell (a serving cell provided by the NR network device), a frequency offset of a TSX of the terminal needs to be advanced by an SSB period, so that the terminal is switched from the idle state of the first cell to a connection state of the first cell to estimate a frequency offset of the TSX caused by a temperature change during the idle state of the terminal in the first cell, which results in large power consumption of the first communication system.

However, in the NR communication system corresponding to the terminal and the NR network device, each downlink subframe of the NR network device has a CRS and each ms of LTE-FDD has a downlink CRS, that is, each 5ms of LTE-TDD must have a downlink subframe, so that the frequency offset estimation of TSX is performed in the LTE communication system to convert the frequency offset corresponding to the NR communication system, and power consumption can be saved.

It can be seen that, in the embodiment of the present application, the terminal first obtains a duration that the terminal is in an idle state of a first cell (a serving cell provided by the first network device), obtains a CRS of the second network device when the duration is greater than a preset duration, determines a frequency offset of a TSX of the terminal according to the CRS, and generates and sends indication information for indicating the frequency offset between the terminal and the first network device to the first network device according to the frequency offset of the TSX when the terminal is switched from the idle state of the first cell to a connection state of the first cell. It can be seen that, in the embodiment of the present application, since the frequency offset of the TSX is determined based on the CRS in the first communication system corresponding to the terminal and the second network device, the frequency offset of the terminal and the frequency offset of the second communication system corresponding to the first network device are determined by using the frequency offset of the TSX, which avoids determining the frequency offset of the TSX through the two communication systems, respectively, thereby reducing the power consumption of the terminal.

In one possible example, the method further comprises: and acquiring the time length of the terminal in the idle state of the first cell under the condition that the time length is less than or equal to the preset time length.

That is, when the duration of the terminal in the idle state of the first cell is less than or equal to the preset duration, the duration of the terminal in the idle state of the first cell is continuously obtained.

As can be seen, in this example, the duration of the terminal in the idle state of the first cell is continuously obtained, and a situation that the duration of the terminal in the idle state of the first cell is greater than the preset duration is discovered. And the accuracy of frequency offset determination of the TSX is improved.

In summary, the terminal, the first network device and the second network device are summarized as follows.

For the terminal. A terminal acquires the time length of the terminal in an idle state of a first cell, wherein the first cell is a service cell provided by first network equipment; acquiring a cell reference signal CRS of second network equipment under the condition that the time length is greater than a preset time length; determining the frequency deviation of a temperature sensing crystal TSX of the terminal according to the CRS; when the terminal is switched from the idle state of the first cell to the connection state of the first cell, generating indication information according to the frequency offset of the TSX, and sending the indication information to the first network device, wherein the indication information is used for indicating the frequency offset between the terminal and the first network device. The terminal judges whether the terminal is in a connection state of a second cell, wherein the second cell is a service cell provided by the second network equipment; and if the terminal is in the connected state of the second cell, acquiring the CRS of the second network equipment. In addition, if the terminal is in the idle state of the second cell, the terminal acquires reference time, wherein the reference time refers to time for switching the terminal from the idle state of the first cell to the connection state of the first cell; the terminal determines a target downlink subframe position of the terminal aiming at the second network equipment according to the reference time, wherein the target downlink subframe position is before the reference time, and the numerical value of a time gap from the target downlink subframe position to the reference time is smaller than the numerical value of the time length of a synchronous signal block SSB period between the terminal and the first network equipment; the terminal switches the terminal from the idle state of the second cell to the connected state of the second cell at the target downlink subframe position, and receives the CRS of the second network device at the target downlink subframe position. And the target downlink subframe position is the downlink subframe position closest to the reference time. In addition, the terminal acquires the time length of the terminal in the idle state of the first cell under the condition that the time length is less than or equal to the preset time length. The preset time length is used for reflecting the frequency deviation resistance corresponding to the terminal and the first network device and the ppm index of the percent reject rate of the parts of the TSX device.

For a first network device. The first network device performs the following operations: receiving indication information from a terminal, wherein the indication information is used for indicating frequency offset between the terminal and the first network device, the indication information is information generated according to frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is frequency offset determined according to a Cell Reference Signal (CRS) of a second network device, the CRS is a CRS obtained when the terminal is in an idle state of a first cell for a time period longer than a preset time period, and the first cell is a serving cell provided by the first network device; and adjusting the frequency offset between the terminal and the first network equipment according to the indication information.

For the second network device. The second network device performs the following operations: sending the time length of the terminal in an idle state of a first cell to the terminal, wherein the first cell is a service cell provided by first network equipment; and sending a Cell Reference Signal (CRS) of a second network device to the terminal under the condition that the duration is greater than a preset duration, wherein the CRS is used for determining the frequency deviation of a temperature sensing crystal (TSX) of the terminal, the frequency deviation of the TSX is used for generating indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used for indicating the frequency deviation between the terminal and the first network device.

For a first network device and a second network device. The CRS is acquired when the terminal is in a connected state of the second cell, and the second cell is a serving cell provided by the second network device. Further, the CRS is received at a target downlink subframe position when the terminal switches from an idle state of the second cell to a connected state of the second cell at the target downlink subframe position; the target downlink subframe position is before the reference time, and the value of the time gap from the target downlink subframe position to the reference time is smaller than the value of the time length of a Synchronization Signal Block (SSB) period between the terminal and the first network equipment; the reference time refers to a time for the terminal to switch from an idle state of the first cell to a connected state of the first cell, and the reference time is obtained when the terminal is in an idle state of the second cell. Preferably, the target downlink subframe position includes a downlink subframe position closest to the reference time. The duration that the terminal is in the idle state of the first cell includes a duration obtained when the duration is less than or equal to the preset duration. The preset time length is used for reflecting the frequency deviation resistance corresponding to the terminal and the first network device and the ppm index of the percent reject rate of the parts of the TSX device.

The above-mentioned scheme of the embodiment of the present application is introduced mainly from the perspective of interaction between network elements in the method side. It is understood that the terminal or the network device includes a hardware structure and/or a software module for performing the respective functions in order to implement the above functions. Those of skill in the art will readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software driven hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the embodiment of the present application, the terminal or the network device may be divided into the functional units according to the method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module. It should be noted that the division of the units in the embodiment of the present application is illustrative, and is only one division of the logic functions, and there may be another division in actual implementation.

Referring to fig. 3, fig. 3 is a block diagram of functional units of a frequency offset adjustment apparatus 300 according to an embodiment of the present application, where the apparatus 300 may be a terminal device, the apparatus 300 may also be a first network device, and the apparatus 300 may also be a second network device, where the apparatus 300 includes: a processing unit 302 and a communication unit 303. The apparatus 300 may further comprise a storage unit 301 for storing program codes and data of the apparatus.

The processing unit 302 may be a processor or a controller, and may be, for example, a Central Processing Unit (CPU), a general purpose processor, a Digital Signal Processor (DSP), an application-specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or other programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks described in connection with the present disclosure. The processing unit 302 can also be a combination that performs computing functions, e.g., including one or more microprocessor combinations, DSP and microprocessor combinations, and the like. The communication unit 303 may be a communication interface, a transceiver, a transceiving circuit, etc., and the storage unit 301 may be a memory.

In a possible implementation manner, the apparatus 300 is configured to execute the respective flows and steps corresponding to the terminals in the transmission method.

The processing unit 302 is configured to: the time length of the terminal in the idle state of a first cell is acquired through the communication unit 303, where the first cell is a serving cell provided by a first network device; and is configured to acquire, through the communication unit 303, a cell reference signal CRS of the second network device, when the duration is greater than a preset duration; and the frequency offset is used for determining the frequency offset of the temperature sensing crystal TSX of the terminal according to the CRS; and is configured to generate indication information according to the frequency offset of the TSX when the terminal is switched from the idle state of the first cell to the connected state of the first cell, and send the indication information to the first network device through the communication unit 303, where the indication information is used to indicate the frequency offset between the terminal and the first network device.

Optionally, in the acquiring, by the communication unit 303, the cell reference signal CRS of the second network device, the processing unit 302 is specifically configured to: judging whether the terminal is in a connection state of a second cell, wherein the second cell is a service cell provided by the second network equipment; if the terminal is in the connected state of the second cell, the CRS of the second network device is acquired through the communication unit 303.

Optionally, the processing unit 302 is further configured to: if the terminal is in the idle state of the second cell, acquiring reference time, wherein the reference time refers to time for switching the terminal from the idle state of the first cell to the connection state of the first cell; determining a target downlink subframe position of the terminal aiming at the second network equipment according to the reference time, wherein the target downlink subframe position is before the reference time, and a numerical value of a time gap from the target downlink subframe position to the reference time is smaller than a numerical value of a time length of a Synchronization Signal Block (SSB) period between the terminal and the first network equipment, the first network equipment is NR network equipment, and the second network equipment is LTE network equipment; switching the terminal from the idle state of the second cell to the connected state of the second cell at the target downlink subframe position, and receiving the CRS of the second network device through the communication unit 303 at the target downlink subframe position.

Optionally, the target downlink subframe position is a downlink subframe position closest to the reference time.

Optionally, the processing unit 302 is further configured to: and acquiring the time length of the terminal in the idle state of the first cell through the communication unit 303 when the time length is less than or equal to the preset time length.

Optionally, the preset time length is used to reflect the frequency offset resistance corresponding to the terminal and the first network device and the ppm index of the percent reject rate of the components of the TSX device.

In another possible implementation manner, the apparatus 300 is configured to execute the respective procedures and steps corresponding to the first network device in the transmission method.

The processing unit 302 is configured to receive, through the communication unit 303, indication information from a terminal, where the indication information is used to indicate frequency offset between the terminal and the first network device, where the indication information is information generated according to frequency offset of a temperature sensing crystal TSX of the terminal, the frequency offset of the TSX is frequency offset determined according to a cell reference signal CRS of a second network device, the CRS is a CRS obtained when a duration of the terminal in an idle state of a first cell is greater than a preset duration, and the first cell is a serving cell provided by the first network device; and the frequency offset adjusting module is used for adjusting the frequency offset between the terminal and the first network equipment according to the indication information.

Optionally, the CRS is a CRS obtained when the terminal is in a connected state of the second cell, and the second cell is a serving cell provided by the second network device.

Optionally, the CRS is received at a target downlink subframe position when the terminal switches from an idle state of the second cell to a connected state of the second cell at the target downlink subframe position; the target downlink subframe position is before the reference time, and a value of a time gap from the target downlink subframe position to the reference time is smaller than a value of a time length of a Synchronization Signal Block (SSB) period between the terminal and the first network device, where the first network device is an NR network device, and the second network device is an LTE network device; the reference time refers to a time for the terminal to switch from an idle state of the first cell to a connected state of the first cell, and the reference time is obtained when the terminal is in an idle state of the second cell.

Optionally, the target downlink subframe position includes a downlink subframe position closest to the reference time.

Optionally, the duration that the terminal is in the idle state of the first cell includes a duration obtained when the duration is less than or equal to the preset duration.

Optionally, the preset time length is used to reflect the frequency offset resistance corresponding to the terminal and the first network device and the ppm index of the percent defective rate of the parts of the TSX device.

In another possible implementation manner, the apparatus 300 is configured to execute the respective procedures and steps corresponding to the second network device in the transmission method.

The processing unit 302 is configured to send, to a terminal through the communication unit 303, a duration that the terminal is in an idle state of a first cell, where the first cell is a serving cell provided by a first network device; and configured to send, through the communication unit 303, a cell reference signal CRS of a second network device to the terminal when the duration is greater than a preset duration, where the CRS is used to determine a frequency offset of a temperature sensing crystal TSX of the terminal, and the frequency offset of the TSX is used to generate indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, where the indication information is used to indicate the frequency offset between the terminal and the first network device.

Optionally, the CRS is received at a target downlink subframe position when the terminal switches from an idle state of the second cell to a connected state of the second cell at the target downlink subframe position; the target downlink subframe position is before the reference time, and a value of a time gap from the target downlink subframe position to the reference time is smaller than a value of a time length of a Synchronization Signal Block (SSB) period between the terminal and the first network device, where the first network device is an NR network device, and the second network device is an LTE network device; the reference time refers to time for switching the terminal from the idle state of the first cell to the connection state of the first cell, and the reference time is obtained when the terminal is in the idle state of the second cell.

It can be understood that the functions of each program module of the transmission device in the embodiment of the present application may be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process may refer to the relevant description of the foregoing method embodiment, which is not described herein again.

It should be understood that the apparatus 300 herein is embodied in the form of a functional unit. The term unit herein may refer to an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (e.g., a shared, dedicated, or group processor), and memory that execute one or more software or firmware programs, a combinational logic circuit, and/or other suitable components that support the described functionality. In an optional example, it may be understood by those skilled in the art that the apparatus 300 may be specifically a terminal device and a network device in the foregoing embodiment, and the apparatus 300 may be configured to execute various processes and/or steps corresponding to the terminal device, the first network device, and the second network device in the foregoing method embodiment, and in order to avoid repetition, details are not described here again.

The apparatus 300 of each of the above schemes has a function of implementing corresponding steps executed by the terminal device, the first network device, and the second network device in the above method; the functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software comprises one or more modules corresponding to the functions; for example, the processing unit 302 may be replaced by a processor, and the communication unit 303 may be replaced by a transmitter and a receiver, respectively, to perform transceiving operations and related processing operations in the respective method embodiments.

In an embodiment of the present application, the apparatus 300 in fig. 3 may also be a chip, a chip module, a UE, or a chip system, for example: system on chip (SoC). Correspondingly, the communication unit 303 may be a transceiver circuit of the chip, and is not limited herein.

Referring to fig. 4, fig. 4 is an electronic device according to an embodiment of the present disclosure, where the electronic device includes: a processor, memory, a communication interface, and one or more programs; the one or more programs are stored in the memory and configured to be executed by the one or more processors.

In one possible implementation, the electronic device is a terminal, and the program includes instructions for performing the following steps:

Optionally, in the aspect of acquiring the cell reference signal CRS of the second network device, the instruction in the program is specifically configured to: judging whether the terminal is in a connection state of a second cell, wherein the second cell is a service cell provided by the second network equipment; and if the terminal is in the connection state of the second cell, acquiring the CRS of the second network equipment.

Optionally, the program further includes instructions for performing the following steps: if the terminal is in the idle state of the second cell, acquiring reference time, wherein the reference time refers to time for switching the terminal from the idle state of the first cell to the connection state of the first cell; determining a target downlink subframe position of the terminal aiming at the second network equipment according to the reference time, wherein the target downlink subframe position is before the reference time, and a numerical value of a time gap from the target downlink subframe position to the reference time is smaller than a numerical value of a time length of a Synchronization Signal Block (SSB) period between the terminal and the first network equipment, the first network equipment is NR network equipment, and the second network equipment is LTE network equipment; and switching the terminal from an idle state of the second cell to a connected state of the second cell at the target downlink subframe position, and receiving the CRS of the second network equipment at the target downlink subframe position.

Optionally, the program further includes instructions for performing the following steps: and acquiring the time length of the terminal in the idle state of the first cell under the condition that the time length is less than or equal to the preset time length.

In one possible implementation, the electronic device is a first network device, and the program includes instructions for performing the following steps:

receiving indication information from a terminal, wherein the indication information is used for indicating frequency offset between the terminal and the first network device, the indication information is generated according to frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is frequency offset determined according to a Cell Reference Signal (CRS) of a second network device, the CRS is a CRS obtained when the terminal is in an idle state of a first cell for a time period longer than a preset time period, and the first cell is a serving cell provided by the first network device;

In a possible implementation manner, the electronic device is a second network device, and the program includes instructions for performing the following steps:

It will be appreciated that the memory described above may include both read-only memory and random access memory, and provides instructions and data to the processor. The portion of memory may also include non-volatile random access memory. For example, the memory may also store device type information.

In the embodiment of the present application, the processor may be a Central Processing Unit (CPU), and the processor may also be other general processors, digital Signal Processors (DSP), application Specific Integrated Circuits (ASIC), field Programmable Gate Arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The steps of a method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software elements in a processor. The software elements may be located in ram, flash, rom, prom, or eprom, registers, among other storage media that are well known in the art. The storage medium is located in a memory, and a processor executes instructions in the memory and combines hardware thereof to perform the steps of the above-described method. To avoid repetition, it is not described in detail here.

The embodiment of the present application further provides a chip, where the chip is configured to: acquiring the time length of the terminal in an idle state of a first cell, wherein the first cell is a service cell provided by first network equipment;

The embodiment of the application further provides a chip module, the chip module includes a transceiver component and a chip, the chip is used for: acquiring the time length of the terminal in an idle state of a first cell through the transceiving component, wherein the first cell is a service cell provided by first network equipment; acquiring a cell reference signal CRS of second network equipment under the condition that the time length is greater than a preset time length; determining the frequency deviation of a temperature sensing crystal TSX of the terminal according to the CRS; when the terminal is switched from the idle state of the first cell to the connection state of the first cell, generating indication information according to the frequency offset of the TSX, and sending the indication information to the first network device through the transceiving component, where the indication information is used to indicate the frequency offset between the terminal and the first network device.

The embodiment of the present application further provides a chip, where the chip is configured to: receiving indication information from a terminal, wherein the indication information is used for indicating frequency offset between the terminal and the first network device, the indication information is information generated according to frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is frequency offset determined according to a Cell Reference Signal (CRS) of a second network device, the CRS is a CRS obtained when the terminal is in an idle state of a first cell for a time period longer than a preset time period, and the first cell is a serving cell provided by the first network device;

The embodiment of the application further provides a chip module, the chip module includes a transceiver component and a chip, the chip is used for: receiving, by the transceiver component, indication information from a terminal, where the indication information is used to indicate frequency offset between the terminal and the first network device, where the indication information is information generated according to frequency offset of a temperature sensing crystal TSX of the terminal, the frequency offset of the TSX is frequency offset determined according to a cell reference signal CRS of a second network device, the CRS is a CRS acquired when a duration of the terminal in an idle state of a first cell is greater than a preset duration, and the first cell is a serving cell provided by the first network device; and adjusting the frequency offset between the terminal and the first network equipment according to the indication information.

The embodiment of the present application further provides a chip, where the chip is configured to: sending the duration of the terminal in an idle state of a first cell to the terminal, wherein the first cell is a service cell provided by first network equipment; and sending a Cell Reference Signal (CRS) of a second network device to the terminal when the duration is greater than a preset duration, wherein the CRS is used for determining a frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is used for generating indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used for indicating the frequency offset between the terminal and the first network device.

The embodiment of the application further provides a chip module, the chip module includes a transceiver component and a chip, the chip is used for: sending the duration of the terminal in an idle state of a first cell to the terminal through the transceiving component, wherein the first cell is a service cell provided by first network equipment; and sending a Cell Reference Signal (CRS) of a second network device to the terminal when the duration is greater than a preset duration, wherein the CRS is used for determining a frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is used for generating indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used for indicating the frequency offset between the terminal and the first network device.

Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the methods as described in the above method embodiments.

Embodiments of the present application also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any one of the methods as set out in the above method embodiments. The computer program product may be a software installation package.

The steps of a method or algorithm described in the embodiments of the present application may be implemented in hardware or by executing software instructions by a processor. The software instructions may consist of corresponding software modules that may be stored in RAM, flash memory, ROM, erasable Programmable Read Only Memory (EPROM), electrically Erasable Programmable Read Only Memory (EEPROM), registers, a hard disk, a removable hard disk, a compact disc read only memory (CD-ROM), or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. Additionally, the ASIC may reside in a terminal or a network device. Of course, the processor and the storage medium may reside as discrete components in a terminal or network device.

It will be appreciated by those of skill in the art that in one or more of the examples described above, the functionality described in the embodiments of the application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. The procedures or functions described in accordance with the embodiments of the application are all or partially generated when the computer program instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium. For example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Video Disc (DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.

The above-mentioned embodiments, objects, technical solutions and advantages of the embodiments of the present application are further described in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present application, and are not intended to limit the scope of the embodiments of the present application, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the embodiments of the present application should be included in the scope of the embodiments of the present application.

Claims

1. A method for adjusting frequency offset, which is applied to a terminal, the method comprising:

2. The method of claim 1, wherein the obtaining Cell Reference Signals (CRSs) of the second network device comprises:

judging whether the terminal is in a connection state of a second cell, wherein the second cell is a service cell provided by the second network equipment;

and if the terminal is in the connected state of the second cell, acquiring the CRS of the second network equipment.

3. The method of claim 2, further comprising:

if the terminal is in the idle state of the second cell, acquiring reference time, wherein the reference time refers to time for switching the terminal from the idle state of the first cell to the connection state of the first cell;

determining a target downlink subframe position of the terminal aiming at the second network equipment according to the reference time, wherein the target downlink subframe position is before the reference time, and a numerical value of a time gap from the target downlink subframe position to the reference time is smaller than a numerical value of a time length of a Synchronization Signal Block (SSB) period between the terminal and the first network equipment, the first network equipment is NR network equipment, and the second network equipment is LTE network equipment;

and switching the terminal from an idle state of the second cell to a connected state of the second cell at the target downlink subframe position, and receiving the CRS of the second network equipment at the target downlink subframe position.

4. The method of claim 3, wherein the target downlink subframe position is a downlink subframe position closest to the reference time.

5. The method of claim 1, further comprising:

and acquiring the time length of the terminal in the idle state of the first cell under the condition that the time length is less than or equal to the preset time length.

6. The method of claim 1, wherein the preset duration is used to reflect frequency offset resistance of the terminal and the first network device and a ppm percentage reject rate of a component of the TSX device.

7. A frequency offset adjustment method applied to a first network device, the method comprising:

8. A method for adjusting frequency offset, applied to a second network device, the method comprising:

sending the time length of the terminal in an idle state of a first cell to the terminal, wherein the first cell is a service cell provided by first network equipment;

9. The method according to claim 7 or 8, wherein the CRS is a CRS obtained when the terminal is in a connected state in a second cell, and the second cell is a serving cell provided by the second network device.

10. The method according to claim 7 or 8, wherein the CRS is received by the terminal at a target downlink subframe position if the target downlink subframe position is switched from an idle state of a second cell to a connected state of the second cell; the target downlink subframe position is before a reference time, and a value of a time gap from the target downlink subframe position to the reference time is smaller than a value of a time length of a Synchronization Signal Block (SSB) period between the terminal and the first network device, wherein the first network device is an NR network device, and the second network device is an LTE network device; the reference time refers to time for switching the terminal from the idle state of the first cell to the connection state of the first cell, and the reference time is obtained when the terminal is in the idle state of the second cell.

11. The method of claim 10, wherein the target downlink subframe position comprises a downlink subframe position closest to the reference time.

12. The method according to claim 7 or 8, wherein the duration that the terminal is in the idle state of the first cell comprises a duration obtained when the duration is less than or equal to the preset duration.

13. The method according to claim 7 or 8, wherein the preset duration is used for reflecting frequency deviation resistance of the terminal and the first network device and a ppm percentage reject rate index of a component of the TSX device.

14. A frequency offset adjusting apparatus is applied to a terminal, and the apparatus includes a processing unit and a communication unit, where the processing unit is configured to obtain, by the communication unit, a duration that the terminal is in an idle state of a first cell, and the first cell is a serving cell provided by a first network device; and the cell reference signal CRS is used for acquiring the cell reference signal CRS of the second network equipment through the communication unit under the condition that the time length is greater than the preset time length; and the frequency offset is used for determining the frequency offset of the temperature sensing crystal TSX of the terminal according to the CRS; and when the terminal is switched from the idle state of the first cell to the connected state of the first cell, generating indication information according to the frequency offset of the TSX, and sending the indication information to the first network device through the communication unit, where the indication information is used to indicate the frequency offset between the terminal and the first network device.

15. A frequency offset adjustment apparatus, applied to a first network device, the apparatus comprising a processing unit and a communication unit, wherein,

the processing unit is configured to receive, by the communication unit, indication information from a terminal, where the indication information is used to indicate frequency offset between the terminal and the first network device, the indication information is information generated according to frequency offset of a temperature sensing crystal TSX of the terminal, the frequency offset of the TSX is frequency offset determined according to a cell reference signal CRS of a second network device, the CRS is a CRS obtained when a duration of the terminal in an idle state of a first cell is greater than a preset duration, and the first cell is a serving cell provided by the first network device; and the frequency offset adjusting module is used for adjusting the frequency offset between the terminal and the first network equipment according to the indication information.

16. A frequency offset adjustment apparatus, applied to a second network device, the apparatus comprising a processing unit and a communication unit, wherein,

the processing unit is configured to send, to a terminal through the communication unit, a duration that the terminal is in an idle state in a first cell, where the first cell is a serving cell provided by a first network device; and the frequency offset control unit is configured to send a cell reference signal CRS of a second network device to the terminal through the communication unit when the duration is greater than a preset duration, where the CRS is used to determine a frequency offset of a temperature sensing crystal TSX of the terminal, the frequency offset of the TSX is used to generate indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used to indicate the frequency offset between the terminal and the first network device.

17. A chip, characterized in that the chip comprises a processing unit and a communication unit, wherein the processing unit is configured to: acquiring the time length of a terminal in an idle state of a first cell through the communication unit, wherein the first cell is a service cell provided by first network equipment;

acquiring a cell reference signal CRS of second network equipment through the communication unit under the condition that the time length is greater than a preset time length;

when the terminal is switched from the idle state of the first cell to the connection state of the first cell, generating indication information according to the frequency offset of the TSX, and sending the indication information to the first network device through the communication unit, where the indication information is used to indicate the frequency offset between the terminal and the first network device.

18. A chip module, characterized in that, chip module includes receiving and dispatching subassembly and chip, the chip is used for: acquiring the time length of a terminal in an idle state of a first cell through the transceiving component, wherein the first cell is a service cell provided by first network equipment; acquiring a cell reference signal CRS of the second network equipment under the condition that the time length is greater than the preset time length; determining the frequency offset of a temperature sensing crystal TSX of the terminal according to the CRS; when the terminal is switched from the idle state of the first cell to the connection state of the first cell, generating indication information according to the frequency offset of the TSX, and sending the indication information to the first network device through the transceiving component, where the indication information is used to indicate the frequency offset between the terminal and the first network device.

19. A chip, characterized in that the chip comprises a processing unit and a communication unit, wherein the processing unit is configured to: receiving, by the communications unit, indication information from a terminal, where the indication information is used to indicate frequency offset between the terminal and a first network device, the indication information is generated according to frequency offset of a temperature sensing crystal TSX of the terminal, the frequency offset of the TSX is frequency offset determined according to a cell reference signal CRS of a second network device, the CRS is a CRS acquired when a time length of the terminal in an idle state of a first cell is greater than a preset time length, and the first cell is a serving cell provided by the first network device;

20. A chip module, characterized in that, chip module includes receiving and dispatching subassembly and chip, the chip is used for: receiving, by the transceiver component, indication information from a terminal, where the indication information is used to indicate frequency offset between the terminal and a first network device, the indication information is information generated according to frequency offset of a temperature sensing crystal TSX of the terminal, the frequency offset of the TSX is frequency offset determined according to a cell reference signal CRS of a second network device, the CRS is a CRS acquired when a duration of the terminal in an idle state of a first cell is greater than a preset duration, and the first cell is a serving cell provided by the first network device; and adjusting the frequency offset between the terminal and the first network equipment according to the indication information.

21. A chip, characterized in that the chip comprises a processing unit and a communication unit, wherein the processing unit is configured to: sending the time length of the terminal in an idle state of a first cell to the terminal through the communication unit, wherein the first cell is a service cell provided by first network equipment; and sending a Cell Reference Signal (CRS) of a second network device to the terminal through the communication unit when the duration is greater than a preset duration, wherein the CRS is used for determining frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is used for generating indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used for indicating the frequency offset between the terminal and the first network device.

22. A chip module, characterized in that, chip module includes receiving and dispatching subassembly and chip, the chip is used for: sending the duration of the terminal in an idle state of a first cell to the terminal through the transceiving component, wherein the first cell is a service cell provided by first network equipment; and sending a Cell Reference Signal (CRS) of a second network device to the terminal when the duration is greater than a preset duration, wherein the CRS is used for determining a frequency offset of a temperature sensing crystal (TSX) of the terminal, the frequency offset of the TSX is used for generating indication information when the terminal is switched from an idle state of the first cell to a connected state of the first cell, and the indication information is used for indicating the frequency offset between the terminal and the first network device.

23. An electronic device comprising a processor, a memory, a communication interface, and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for performing the steps in the method of any of claims 1-6, or any of claims 7, 9-13, or any of claims 8, 9-13.

24. A computer-readable storage medium, characterized in that it stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method according to any one of claims 1-6, or according to any one of claims 7, 9-13, or according to any one of claims 8, 9-13.