WO2021159262A1

WO2021159262A1 - Threshold value adjustment method and apparatus for timing advance

Info

Publication number: WO2021159262A1
Application number: PCT/CN2020/074676
Authority: WO
Inventors: 石聪; 杨宁
Original assignee: Oppo广东移动通信有限公司
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2021-08-19
Also published as: CN114586422B; CN114586422A

Abstract

Embodiments of the present application provide a threshold value adjustment method and apparatus for a timing advance. The method comprises: a terminal device transmits first reference information, and receives, from a network device, a first wireless signal quality threshold value that is determined according to the first reference information. The present application achieves the adjustment of a wireless signal quality threshold value on the basis of reported reference information, thereby avoiding the problem of clock asynchronization between the terminal device and a network.

Description

Threshold adjustment method and device of timing advance

Technical field

This application relates to the field of communication technology, and in particular to a method and device for adjusting the threshold of timing advance.

Background technique

Timing Advance (TA) is used to instruct the terminal device to send uplink data ahead of the downlink reference timing, so as to compensate for the different transmission delays of different terminal devices caused by different transmission paths, so that the uplink data sent by different terminal devices can be simultaneously Arrive at the base station to achieve the purpose of uplink synchronization. The TA value is sent by the base station to the terminal equipment, and the TA of the terminal equipment needs to be updated once in a while. When the time-alignment Timer configured by the base station for the terminal equipment expires, the terminal equipment needs to perform actions such as random access and tracking area update. Get the latest TA. However, the terminal device may change the clock synchronization relationship between the terminal device and the base station during the movement.

Summary of the invention

The embodiments of the present application provide a method and device for adjusting the threshold of the timing advance, in order to adjust the wireless signal quality threshold based on the reported reference information, and avoid the problem of clock synchronization between the terminal equipment and the network.

In the first aspect, an embodiment of the present application provides a method for adjusting a threshold of a timing advance, and the method includes:

The terminal device sends first reference information, where the first reference information includes the wireless signal quality and/or geographic location measured by the terminal device;

The terminal device receives a first wireless signal quality threshold value from the network device, where the first wireless signal quality threshold value is determined by the network device based on the first reference information.

In a second aspect, an embodiment of the present application provides a method for adjusting a threshold of a timing advance, and the method includes:

The network device receives first reference information, where the first reference information includes wireless signal quality and/or geographic location measured by the terminal device;

The network device sends the first wireless signal quality threshold to the terminal device, where the first wireless signal quality threshold is determined based on the first reference information.

In a third aspect, an embodiment of the present application provides a device for adjusting a threshold of a timing advance, and the device includes:

A sending unit, configured for a terminal device to send first reference information, where the first reference information includes the wireless signal quality and/or geographic location measured by the terminal device;

The receiving unit is configured to receive, by the terminal device, a first wireless signal quality threshold value from the network device, where the first wireless signal quality threshold value is determined by the network device based on the first reference information.

In a fourth aspect, an embodiment of the present application provides a device for adjusting a threshold of a timing advance, and the device includes:

A receiving unit, configured to receive first reference information by a network device, where the first reference information includes wireless signal quality and/or geographic location measured by the terminal device;

The sending unit is configured to send the first wireless signal quality threshold to the terminal device by the network device, where the first wireless signal quality threshold is determined based on the first reference information.

In a fifth aspect, embodiments of the present application provide a terminal device. The terminal device includes a memory, a communication interface, and one or more programs. The one or more programs are stored in the memory and configured by The processor executes, and the program includes instructions for executing part or all of the steps described in the method described in the first aspect.

In a sixth aspect, embodiments of the present application provide a network device. The network device includes a memory, a communication interface, and one or more programs. The one or more programs are stored in the memory and configured by The processor executes, and the program includes instructions for executing part or all of the steps described in the method described in the second aspect.

In a seventh aspect, an embodiment of the present application provides a computer-readable storage medium that stores a computer program for electronic data exchange, wherein the computer program enables a computer to execute the above-mentioned first aspect Some or all of the steps described in the method.

In an eighth aspect, an embodiment of the present application provides a computer-readable storage medium that stores a computer program for electronic data exchange, wherein the computer program enables a computer to execute the above-mentioned second aspect Some or all of the steps described in the method.

In a ninth aspect, an embodiment of the present application provides a computer program product, wherein the above-mentioned computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the above-mentioned computer program is operable to cause a computer to execute as implemented in this application Examples include part or all of the steps described in the method described in the first aspect. The computer program product may be a software installation package.

In a tenth aspect, an embodiment of the present application provides a computer program product, wherein the above-mentioned computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the above-mentioned computer program is operable to make a computer execute as implemented in this application. Examples include part or all of the steps described in the method described in the second aspect. The computer program product may be a software installation package.

It can be seen that in this embodiment of the application, the terminal device sends the first reference information, and then receives the first wireless signal quality threshold determined by the network device based on the first reference information, so that the wireless signal can be adjusted based on the reported reference information. The quality threshold, thereby avoiding the problem of clock synchronization between the terminal equipment and the network, and optimizing the performance of the terminal equipment.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, without creative work, other drawings can be obtained from these drawings.

FIG. 1 is a schematic diagram of a clock synchronization process provided by an embodiment of the present application;

Figure 2 is a schematic diagram of a communication system architecture provided by an embodiment of the present application;

FIG. 3 is a schematic flowchart of a method for adjusting a threshold of a timing advance provided by an embodiment of the present application;

FIG. 4 is a schematic diagram of the movement of a terminal device provided by an embodiment of the present application;

FIG. 5A is a schematic structural diagram of a terminal device provided by an embodiment of the present application;

FIG. 5B is a schematic structural diagram of a network device provided by an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a device for adjusting a threshold value of a timing advance provided by an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a device for adjusting a threshold value of a timing advance provided by an embodiment of the present application.

Detailed ways

The terms used in the implementation mode part of this application are only used to explain specific embodiments of this application, and are not intended to limit this application. The terms "first", "second", "third" and "fourth" in the specification and claims of this application and the drawings are used to distinguish different objects, not to describe a specific order . In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusions.

Hereinafter, some terms in the embodiments of the present application will be explained to facilitate the understanding of those skilled in the art.

Timing Advance (TA): A parameter used to indicate the timing deviation of the data sent by the terminal device when the network device receives it, and its physical meaning refers to the round-trip delay between the terminal device and the network device.

At present, terminal equipment needs to perform strict clock synchronization with the network. For example, as shown in Figure 1, Figure 1 is a schematic diagram of a clock synchronization process provided by an embodiment of this application. In the scheme of synchronizing the external device connected to the terminal equipment with the clock in the external network, the external network clock can be synchronized with the external device connected to the terminal by sending synchronization signaling (sync message). First, the time sensitive network (Time Sensitive Networking, The TSN) node needs to send the clock synchronization signaling to the 5GS edge adapter, and the 5GS edge adapter uses the current time of the 5G internal clock to carry the 5GS receiving point timestamp TSi on the clock synchronization signaling. After that, the synchronization signaling is transmitted from the user plane function ((User Plane Function, UPF) to the edge adapter of the user side via the base station, and the edge adapter of the user side carries the 5GS point time stamp TSe. It can be seen that the signaling is transmitted inside 5G The delay time can be calculated as TSe-TSi. Finally, the 5G terminal sends a Generalized Precision Time Protocol (gPTP) synchronization message with 5G internal transmission processing time to the left TSN node to complete the clock synchronization. The current time can be expressed as: T _left = T _GM,right +TSe-TSi+D ₂ +D ₁ , where T _GM,right is the time point sent by the TSN node on the _{right, and D 2 from the} TSN node on the right to the user’s 5GS edge adapter propagation delay, D ₁ is the left node TSN to the propagation delay 5GS edge of the adapter, seen terminal device needs strict clock synchronization with the network device, and to TSi TSe bound to the same clock.

Please refer to FIG. 2. FIG. 2 is a schematic diagram of a communication system architecture provided by an embodiment of the present application. The communication system includes a network device and a terminal device. As shown in Figure 2, network devices can communicate with terminal devices. The communication system can be Global System for Mobile Communication (CSM), Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, global Worldwide Interoperability for Microwave Access (WiMAX) systems, Long Term Evolution (LTE) systems, 5G communication systems (such as New Radio (NR)), communication systems that integrate multiple communication technologies ( For example, a communication system that integrates LTE technology and NR technology), or a subsequent evolution communication system. The form and quantity of the network equipment and terminal equipment shown in FIG. 2 are only for example, and do not constitute a limitation to the embodiment of the present application.

The terminal device in this application is a device with wireless communication function, which can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed on In the air (e.g. airplanes, balloons, satellites, etc.). The terminal device can be a mobile phone (mobile phone), a tablet computer (pad), a computer with wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality (Augmented Reality, AR) terminal device, and an industrial control (industrial) terminal device. Wireless terminal in control), wireless terminal in self-driving (self-driving), wireless terminal in remote medical (remote medical), wireless terminal in smart grid (smart grid), wireless terminal in smart home (smart home) Terminal and so on. The terminal device may also be a handheld device with a wireless communication function, a vehicle-mounted device, a wearable device, a computer device, or other processing device connected to a wireless modem. In different networks, terminal devices can be called different names, such as: user equipment, access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication Device, user agent or user device, cellular phone, cordless phone, Session Initiation Protocol (SIP) phone, Wireless Local Loop (WLL) station, Personal Digital Assistant (PDA), Terminal equipment in 5G network or future evolution network, etc.

The network device in this application is a device deployed on a wireless access network to provide wireless communication functions. For example, the network device may be a Radio Access Network (RAN) device on the access network side of the cellular network. The so-called RAN device is a device that connects user equipment to the wireless network, including but not limited to: Evolved Node B (evolved Node B, eNB), Radio Network Controller (RNC), Node B (Node B, NB), Base Station Controller (BSC), Base Transceiver (Base Transceiver) Station, BTS), home base station (for example, Home evolved Node B, or Home Node B, HNB), base band unit (BBU), management entity (Mobility Management Entity, MME); for another example, network equipment can also be It is a node device in a wireless local area network (Wireless Local Area Network, WLAN), such as an access controller (AC), a gateway, or a WIFI access point (Access Point, AP); for another example, the network device can also be The transmission node or receiving and dispatching point (Transmission Reception Point, TRP or TP) in the NR system, etc.

In order to enable those skilled in the art to better understand the solutions of the application, the technical solutions in the embodiments of the application will be clearly and completely described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only It is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

Please refer to FIG. 3. FIG. 3 is a schematic flowchart of a method for adjusting the threshold of a timing advance provided by an embodiment of the application. The method is applied to the wireless communication system as shown in FIG. 2. As shown in the figure, the method includes The following steps:

S310. The terminal device sends the first reference information.

Wherein, the first reference information includes wireless signal quality and/or geographic location measured by the terminal device.

Specifically, when the terminal device has the ability to locate or acquire the current geographic location, the first reference information may include the wireless signal quality and geographic location measured by the terminal device, or the first reference information may include the terminal device The measured wireless signal quality or geographic location; when the terminal device does not have the positioning capability or the ability to obtain the current geographic location, the first reference information may include the wireless signal quality measured by the terminal device.

Further, the above-mentioned wireless signal quality may include at least one of the following: cell reference signal received power (RSRP), cell reference signal received quality (RSRQ), cell signal and interference plus Signal to Interference plus Noise Ratio, SINR, Received Signal Strength Indicator (RSSI), Synchronization Signal Block (SSB) RSRP, SSB RSRQ, SSB SINR, SSB RSSI, channel State Information Reference Signals (Channel State Information reference signals, CSI-RS) RSRP, CSI-RS RSPQ, CSI-RS SINR and CSI-RS RSSI.

In an implementation manner of the embodiment of the present application, the method further includes: the network device sends a second wireless signal quality threshold, the terminal device receives the second wireless signal quality threshold, and the second wireless signal quality The threshold is used by the terminal device to determine whether to acquire the timing advance.

Although the terminal equipment can obtain the network clock through the unicast signaling or broadcast signaling sent by the network for clock synchronization, in order to obtain better synchronization performance, the terminal equipment and/or network equipment may need to obtain the timing advance to eliminate propagation Synchronization error caused by path delay. If the terminal device is close to the network device, the terminal device may not need to synchronize; if the terminal device is far away from the network, it is necessary to compensate for the propagation path delay. However, for terminal equipment close to the network equipment, that is, the terminal equipment is in the coverage area where the network equipment does not need to compensate for the propagation delay, the terminal equipment may also initiate a random access process to obtain a new timing advance, thereby causing additional air interfaces Overhead. In the embodiment of the present application, the network device can send the wireless signal quality threshold to the terminal device, so that the terminal device obtains the new timing advance only when the measured wireless signal quality is lower than the configured wireless signal quality threshold, thereby saving Air interface overhead.

Wherein, the second wireless signal quality threshold may be carried in radio resource control (Radio Resource Control, RRC) signaling, MAC control element (MAC Control Element, MAC CE) signaling, or broadcast message.

It should be noted that the RRC signaling may include, but is not limited to, any one of RRC Release message, RRC connection reconfiguration message, RRC connection reestablishment message, RRC connection setup message, RRC connection resume message, or other RRC messages.

Further, the second wireless signal quality threshold includes at least one of the following: cell RSRP, cell RSRQ, cell SINR, cell RSSI, SSB RSRP, SSB RSRQ, SSB SINR, SSB RSSI, CSI-RS RSRP, CSI-RS RSPQ, CSI -RS SINR and CSI-RS RSSI.

It should be noted that the above-mentioned first wireless signal quality threshold and the second wireless signal quality threshold are used for the terminal device to distinguish whether it is in a coverage area where the network device does not need to compensate for propagation delay. In other words, the terminal equipment determines whether it is in the coverage area where the base station does not need to compensate for propagation delay by comparing the measured wireless signal quality with the first wireless signal quality or the second wireless signal quality. To compensate for the coverage area of the propagation delay, the terminal device re-acquires a new timing advance. If the terminal device is not in the coverage area of the base station where the propagation delay needs to be compensated, it does not need to obtain a new timing advance.

It should be noted that the content included in the wireless signal quality measured by the terminal device in the first reference information includes at least one of the content included in the second wireless signal quality threshold received by the terminal device, for example, when the second wireless signal quality threshold is included When only the cell RSRP is included, the wireless signal quality measured by the terminal device may include the cell RSRP. When the second wireless signal quality threshold includes the cell RSRP and SSB RSRP, the wireless signal quality measured by the terminal device may include the cell RSRP. When the signal quality threshold includes cell RSRP, CSI-RS RSRP, and SSB RSRP, the wireless signal quality measured by the terminal device may include cell RSRP and SSB RSRP.

In an implementation manner of the embodiment of the present application, the sending of the first reference information by the terminal device includes:

In a case where the wireless signal quality measured by the terminal device is greater than or equal to the second wireless signal quality threshold, and the terminal device and the network device are clocked out of sync, the terminal device sends the first reference information.

After receiving the second wireless signal quality threshold, the terminal device compares the second wireless signal quality threshold with the wireless signal quality currently measured by the terminal device, and the wireless signal quality measured at the terminal device is greater than or equal to In the case of the second wireless signal quality threshold, that is, when the terminal device is in a coverage area where the network device does not need to compensate for the propagation delay, the terminal device may not need to take actions to obtain the timing advance, but in this case, because The second wireless signal quality threshold set by the network device is not accurate enough. For example, when the second wireless signal quality threshold is set too low, the terminal device may not start the action of obtaining the latest timing advance because it is far from the base station, causing the terminal device to interact with The clocks between the base stations are not synchronized. For example, as shown in Figure 4, the area in the dotted circle in the figure is the coverage area where the base station does not need to compensate for the propagation delay, and the area between the solid line and the dotted circle is the base station that needs to compensate for the propagation delay. Assuming that the cell RSRP in the second wireless signal quality threshold is set to -60dBm, when the terminal device moves from the center of the base station to the edge, that is, when the terminal device moves from the dashed area to the solid area in the figure, When the terminal device moves to the area between the solid circle and the dotted circle, the cell RSRP of the wireless signal quality threshold measured by the terminal device is -56dBm, which is greater than the second wireless signal quality threshold, and the terminal device does not need to take any action. Obtain the new timing advance, but at this time the terminal device is in the coverage area of the base station that needs to compensate for the propagation delay, and the terminal device has a serious clock asynchronous problem. Therefore, the terminal device needs to report the first reference information to the network to accurately adjust The wireless signal quality threshold to achieve clock synchronization between it and the network device.

In an implementation manner of the embodiment of the present application, the method further includes: in a case where the wireless signal quality measured by the terminal device is less than the second wireless signal quality threshold, the terminal device acquires the timing advance .

Specifically, in the case that the wireless signal quality measured by the terminal device is less than the second wireless signal quality threshold, a clock out of synchronization occurs between the terminal device and the network device, and the terminal device is required to obtain a new timing advance. It is synchronized with the clock between network devices.

In another implementation manner of the embodiment of the present application, the method further includes: the wireless signal quality measured by the terminal device is greater than or equal to the second wireless signal quality threshold, and the terminal device and the network device and/ Or in the case where the clocks of other terminal devices are not synchronized, the terminal device obtains the timing advance.

Specifically, when the second wireless signal quality threshold set by the network device is inaccurate, for example, the second wireless signal quality threshold is too low, when the wireless signal quality measured by the terminal device is greater than or equal to the second wireless signal quality threshold , The clock synchronization may occur between the terminal device and the network device. At this time, the terminal device also needs to obtain a new timing advance to achieve clock synchronization between it and the network device.

Further, in the communication process between the terminal equipment and the terminal equipment using the network as a bridge, in order to obtain better synchronization performance, the terminal or the network equipment base station may need to obtain the timing advance to eliminate the propagation path delay. Synchronization error. If the distance between the terminal and the base station is relatively short, the terminal equipment may not need to synchronize; if the distance between the terminal and the network equipment is relatively long, propagation path compensation is required. When a terminal device and other terminal devices have clock synchronization problems, the terminal device needs to report first reference information to the network to accurately adjust the wireless signal quality threshold to achieve clock synchronization between it and other terminal devices.

Optionally, acquiring the timing advance by the terminal device includes: the terminal device sends a random access preamble to the network device, and receives a random access response from the network device, the random access The response carries the timing advance; or,

The terminal device sends uplink data or auxiliary signals (seconding signals) to the network device, and receives timing advance information sent by the network device.

In this embodiment, due to the mobility of the terminal device, the clock synchronization relationship between the terminal device and the network device may be changed. The terminal device needs to adjust the timing advance to maintain clock synchronization, that is, it needs to obtain a new timing advance. Specifically, the terminal device may initiate a random access process to the network device to obtain a new timing advance. For example, the terminal device sends a random access preamble to the network device, and the network device sends a random access preamble according to the sending time of the random access preamble. Calculate the new timing advance with the receiving time, and send the new timing advance in the random access response to the terminal device; the terminal device may also send uplink data or auxiliary signals to the network device to obtain the timing advance For example, the terminal device sends an uplink data or auxiliary signal to the network device, and the network device calculates a new timing advance according to the sending time and receiving time of the uplink data or auxiliary signal, and sends the new timing advance to the terminal equipment.

In an implementation manner of the embodiment of the present application, the method further includes: the network device sends a first message, the terminal device receives the first message, and the first message is used to inquire about the terminal device The availability of the first reference information.

Optionally, the first message may be an information request (information request) message, and the network device may ask the terminal device whether there is first reference information to report by sending an information request message.

Further, the above-mentioned first reference information may be a response or report message of the terminal device to the received information request message.

In practical applications, due to the complexity of the propagation environment, the wireless signal quality threshold set by the network device based on experience may not be accurate enough. When the wireless signal quality threshold is set too low, the terminal device may be far away from the network device and the terminal device cannot be turned on The action of obtaining the latest timing advance will cause severe out-of-synchronization between the terminal device and the network, which may lead to serious industrial Internet of Things (IIOT) application problems, for example, between the robotic arm and the assembly line When the wireless signal quality threshold is set too high, the terminal device may be close to the network device and frequently take actions to obtain unnecessary timing advance, resulting in additional air interface overhead. Therefore, in order to set an accurate wireless signal quality threshold, the network device can send an information request message to the terminal device to instruct the terminal device to report to obtain the wireless signal quality and/or geographic location measured by the current terminal device, so that the network device can be based on the reported The information accurately adjusts the wireless signal quality threshold to ensure clock synchronization between the terminal device and the network device.

In an implementation manner of the embodiment of the present application, the method further includes: the terminal device sends a second message, the network device receives the second message, and the second message is used to instruct the network device to send the first message. Messages and/or reports occur that the clocks of the terminal device and the network device and/or other terminals are not synchronized.

Wherein, when the wireless signal quality measured by the terminal device is less than the second wireless signal quality threshold, that is, when the terminal device is moving in the process of clock synchronization with the network device and/or other terminal devices, the terminal device The device may send a second message to the network device, and the second message may specifically carry information about the occurrence of clock unsynchronization between the terminal device and the network device, so as to report the occurrence of clock unsynchronization to the network device; when the terminal device measures When the wireless signal quality of is greater than or equal to the second wireless signal quality threshold, and the terminal device is out of clock synchronization with the network device and/or other terminal devices, the terminal device may send a second message to the network device to instruct the network device Send the first message. After receiving the second message, the network device may send an information request message to the terminal device to inquire whether the terminal device has the first reference information to report.

S320. The network device receives the first reference information.

S330. The network device sends the first wireless signal quality threshold to the terminal device.

Wherein, the first wireless signal quality threshold is carried in RRC signaling, MAC CE signaling, or broadcast message.

Further, the first wireless signal quality threshold includes at least one of the following: cell RSRP, cell RSRQ, cell SINR, cell RSSI, SSB RSRP, SSB RSRQ, SSB SINR, SSB RSSI, CSI-RS RSRP, CSI-RS RSPQ, CSI-RS SINR and CSI-RS RSSI.

Wherein, the first wireless signal quality threshold is determined by the network device based on the first reference information.

Wherein, after receiving the first reference information, the network device may determine the first wireless signal quality threshold value according to the wireless signal quality and/or geographic location measured by the terminal device and/or the second wireless signal quality threshold value.

Specifically, the above-mentioned first reference information includes the wireless signal quality threshold measured by the terminal device. When the wireless signal quality measured by the terminal device is greater than or equal to the second wireless signal quality threshold, the network device may set the first wireless signal quality threshold Set to be higher than the value of the wireless signal quality measured by the terminal device; when the value of the wireless signal quality measured by the terminal device is less than the second wireless signal quality threshold, the network device can set the first wireless signal quality threshold to be higher than the value measured by the terminal device. The value of wireless signal quality is low. For example, suppose that the first reference information includes the signal quality threshold measured by the terminal device, the cell RSRP value in the wireless signal quality measured by the terminal device is -60dBm, and the cell RSRP value included in the second wireless signal quality threshold is − 57dBm, the network device can set the cell RSRP in the first wireless signal quality threshold to -55dBm according to the wireless signal quality measured by the terminal device.

Specifically, when the foregoing first reference information includes a geographic location, the network device can determine the distance between the current terminal device and the network device that does not need to compensate for the propagation delay area based on the geographic location, and set the first wireless signal quality threshold based on the distance and the second wireless signal quality threshold. Wireless signal quality threshold. For example, suppose that the first reference information includes the geographic location of the terminal device, and the cell RSRP value included in the second wireless signal quality threshold is -57dBm. The network device can determine that the current terminal device is away from the base station without compensation propagation based on the geographic location. The delay area is 100m, and the network device can set the cell RSRP in the first wireless signal quality threshold to -55dBm according to the distance.

Further, when the above-mentioned first reference information includes the wireless signal quality and geographic location measured by the terminal device, the network device can determine based on the geographic location that the distance between the current terminal device and the network device does not need to compensate for the propagation delay area, and the distance between the terminal device and the network device is measured by the terminal device. When the value of the wireless signal quality is greater than or equal to the second wireless signal quality threshold, the network device can combine the distance to set the first wireless signal quality threshold to be higher than the value of the wireless signal quality measured by the terminal device; the wireless signal measured on the terminal device When the quality value is less than the second wireless signal quality threshold, the network device may combine the distance to set the first wireless signal quality threshold to be lower than the value of the wireless signal quality measured by the terminal device. For example, suppose that the first reference information includes the signal quality threshold and geographic location measured by the terminal device, the cell RSRP value in the wireless signal quality measured by the terminal device is -60 dBm, and the cell RSRP value included in the second wireless signal quality threshold The value is -57dBm. The network device judges that the current terminal device is 100m away from the base station without compensating the propagation delay area based on the geographic location. The network device can set the first wireless signal quality threshold to -55dBm according to the distance.

It should be noted that the content of the first wireless signal quality threshold and the second wireless signal quality threshold may be the same. For example, the first wireless signal quality threshold may include cell RSRP and SSB RSRP, and the second wireless signal quality threshold may include Cell RSRP and SSB RSRP, the content of the first wireless signal quality threshold and the second wireless signal quality threshold may also be different. For example, the first wireless signal quality threshold may include cell RSRP and SSB RSRP, and the second wireless signal quality threshold It may include cell RSRP, SSB RSRP, and CSI-RS RSRP, which is not limited in the embodiment of the present application.

S340. The terminal device receives a first wireless signal quality threshold from the network device.

In an implementation manner of the embodiment of the present application, the method further includes: the terminal device sends a third message, the network device receives a third message, and the third message is used to indicate that the terminal device has a sending method. The ability to describe the first reference information.

It can be seen that, in the embodiment of the present application, the terminal device sends the first reference information, and then receives the first wireless signal quality threshold determined by the network device based on the first reference information, so that the wireless signal quality threshold is adjusted based on the reported reference information. Signal quality threshold, thereby avoiding the problem of clock synchronization between the terminal equipment and the network, and optimizing the performance of the terminal equipment.

Please refer to FIG. 5A, which is a terminal device provided by an embodiment of the present application. The terminal device includes: one or more processors, one or more memories, one or more communication interfaces, and one or more programs ；

The one or more programs are stored in the memory, and are configured to be executed by the one or more processors;

The program includes instructions for performing the following steps:

In an implementation manner of the embodiment of the present application, the program includes instructions that are further used to perform the following steps: the terminal device receives a second wireless signal quality threshold, and the second wireless signal quality threshold is used for the terminal device Determine whether to acquire the timing advance; the terminal device sending the first reference information includes: the wireless signal quality measured by the terminal device is greater than or equal to the second wireless signal quality threshold, and the terminal device and the network device generate a clock In the case of non-synchronization, the terminal device sends the first reference information.

In an implementation manner of the embodiment of the present application, the program includes instructions that are further used to perform the following steps: when the wireless signal quality measured by the terminal device is less than the second wireless signal quality threshold, the terminal The device obtains the timing advance.

In another implementation manner of the embodiment of the present application, the program includes instructions further used to perform the following steps: the wireless signal quality measured at the terminal device is greater than or equal to the second wireless signal quality threshold, and the In the case that the terminal device is out of clock synchronization with the network device and/or other terminals, the terminal device acquires the timing advance.

In an implementation manner of the embodiment of the present application, in terms of the terminal device acquiring the timing advance, the program includes instructions further used to perform the following steps: the terminal device sends random access to the network device Preamble, and receive a random access response from the network device, the random access response carrying the timing advance; or, the terminal device sends uplink data or auxiliary signals to the network device, and receives all The timing advance information sent by the network device.

In an implementation manner of the embodiment of the present application, before the terminal device device sends the first reference information, the program includes instructions for performing the following steps: the terminal device receives the first message, and the first message A message is used to query the availability of the first reference information of the terminal device.

In an implementation manner of the embodiment of the present application, the program includes instructions further used to perform the following steps: the terminal device sends a second message to the network device, and the second message is used to instruct the network device Send the first message and/or report that the clocks of the terminal device and the network device and/or other terminals are not synchronized.

In an implementation manner of the embodiment of the present application, the program includes instructions that are further used to perform the following steps: the wireless signal quality threshold is carried in RRC signaling, MAC CE signaling, or broadcast message, and the wireless signal quality The threshold includes at least one of the following: cell RSRP, RSRQ, SINR, SSB RSRP, SSB RSRQ, SSB SINR. CSI-RS RSRP, CSI-RS RSPQ and CSI-RS SINR.

In an implementation manner of the embodiment of the present application, the program includes instructions that are further used to perform the following steps: the terminal device sends a third message to the network device, and the third message is used to instruct the terminal device Have the ability to send the first reference information.

It should be noted that, for the specific implementation process of the embodiment of the present application, refer to the specific implementation process described in the foregoing method embodiment, and details are not described herein again.

Please refer to FIG. 5B. FIG. 5B is a network device provided by an embodiment of the present application. The network device includes: one or more processors, one or more memories, one or more communication interfaces, and one or more programs ；

The program includes instructions for performing the following steps:

In an implementation manner of the embodiment of the present application, the program includes instructions that are further used to perform the following steps: the network device sends a second wireless signal quality threshold, and the second wireless signal quality threshold is used for the terminal device Determine whether to obtain the timing advance.

In an implementation manner of the embodiment of the present application, the program includes instructions that are further used to perform the following steps: the network device sends a first message, and the first message is used to query the first message of the terminal device Availability of reference information.

In an implementation manner of the embodiment of the present application, the program includes instructions that are further used to perform the following steps: the network device receives a second message, and the second message is used to instruct the network device to send the first message and / Or report the occurrence of clock synchronization between the terminal device and the network device and/or other terminals.

In an implementation manner of the embodiment of the present application, the program includes instructions that are further used to perform the following steps: the wireless signal quality threshold is carried in RRC signaling, MAC CE signaling, or broadcast message, and the wireless signal quality The threshold includes at least one of the following: cell RSRP, cell RSRQ, cell SINR, SSB RSRP, SSB RSRQ, SSB SINR, CSI-RS RSRP, CSI-RS RSPQ, and CSI-RS SINR.

In an implementation manner of the embodiment of the present application, the program includes instructions that are further used to perform the following steps: the network device receives a third message from the terminal device, and the third message is used to instruct the terminal The device has the ability to send the first reference information.

The foregoing mainly introduces the solution of the embodiment of the present application from the perspective of the execution process on the method side. It can be understood that, in order to implement the above-mentioned functions, an electronic device includes a hardware structure and/or software module corresponding to each function. Those skilled in the art should easily realize that in combination with the units and algorithm steps of the examples described in the embodiments provided herein, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.

The embodiment of the present application may divide the electronic device into functional units according to the foregoing method examples. 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 above-mentioned integrated unit can be implemented in the form of hardware or software functional unit. It should be noted that the division of units in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.

Please refer to FIG. 6. FIG. 6 is an apparatus 600 for adjusting a timing advance threshold provided by an embodiment of the present application, which is applied to a terminal device, and the apparatus 600 includes:

The sending unit 610 is configured to send first reference information to the network device by the terminal device, where the first reference information includes the wireless signal quality and geographic location measured by the terminal device;

The receiving unit 620 is configured to receive, by the terminal device, a first wireless signal quality threshold value from the network device, where the first wireless signal quality threshold value is determined by the network device based on the first reference information.

In an implementation manner of the embodiment of the present application, the receiving unit 620 is further configured to: the terminal device receives a second wireless signal quality threshold, and the second wireless signal quality threshold is used by the terminal device to determine whether to acquire timing Advance

The sending unit 610 is specifically configured to: when the wireless signal quality measured by the terminal device is greater than or equal to the second wireless signal quality threshold, and the terminal device and the network device are out of clock synchronization, the terminal The device sends the first reference information.

In an implementation manner of the embodiment of the present application, when the wireless signal quality measured by the terminal device is less than the second wireless signal quality threshold, the apparatus 600 further includes an obtaining unit 630, and the obtaining unit 630 uses Acquiring the timing advance from the terminal device.

In another implementation manner of the embodiment of the present application, the wireless signal quality measured by the terminal device is greater than the second wireless signal quality threshold, and the terminal device is out of clock synchronization with the network device and/or other terminal devices In the case of, the apparatus 600 further includes an obtaining unit 630, and the obtaining unit 630 is configured to obtain the timing advance by the terminal device.

In an implementation manner of the embodiment of the present application, the acquiring unit 630 is specifically configured to: the terminal device sends a random access preamble to the network device, and receives a random access response from the network device, so The random access response carries the timing advance; or,

The terminal device sends uplink data or auxiliary signals to the network device, and receives timing advance information sent by the network device.

In an implementation manner of the embodiment of the present application, before the terminal device device sends the first reference information, the receiving unit 620 is further configured to: the terminal device receives a first message, and the first message is used to query the Availability of the first reference information of the terminal device.

In an implementation manner of the embodiment of the present application, the sending unit 610 is further configured to: the terminal device sends a second message to the network device, and the second message is used to instruct the network device to send the first message And/or report the occurrence of clock synchronization between the terminal device and the network device and/or other terminals.

In an implementation manner of the embodiment of the present application, the wireless signal quality threshold is carried in RRC signaling, MAC CE signaling, or broadcast message, and the wireless signal quality threshold includes at least one of the following: cell RSRP, cell RSRQ, Cell SINR, synchronization signal block SSB RSRP, SSB RSRQ, SSB SINR, CSI-RS RSRP, CSI-RS RSPQ and CSI-RS SINR.

In an implementation manner of the embodiment of the present application, the sending unit 610 is further configured to: the terminal device sends a third message to the network device, and the third message is used to indicate that the terminal device has the ability to send the The ability to first reference information.

It should be noted that the sending unit 610 and the receiving unit 620 may be implemented by a transceiver, and the acquiring unit may be implemented by a processor.

Please refer to FIG. 7. FIG. 7 is an apparatus 700 for adjusting a timing advance threshold provided by an embodiment of the present application, which is applied to network equipment, and the apparatus 700 includes:

The receiving unit 710 is configured to receive first reference information from a terminal device by a network device, where the first reference information includes the wireless signal quality and geographic location measured by the terminal device;

The sending unit 720 is configured to send the first wireless signal quality threshold to the terminal device by the network device, where the first wireless signal quality threshold is determined based on the first reference information.

In an implementation manner of the embodiment of the present application, the sending unit 720 is further configured to: the network device sends a second wireless signal quality threshold, and the second wireless signal quality threshold is used by the terminal device to determine whether to acquire timing Advance amount.

In an implementation manner of the embodiment of the present application, before the network device receives the first reference information, the sending unit 720 is further configured to: the network device sends a first message, and the first message is used to query the Availability of the first reference information of the terminal device.

In an implementation manner of the embodiment of the present application, the receiving unit 710 is further configured to: the network device receives a second message, and the second message is used to instruct the network device to send the first message and/or report occurrence The clocks of the terminal equipment and the network equipment and/or other terminals are not synchronized.

In an implementation manner of the embodiment of the present application, the receiving unit 710 is further configured to: the network device receives a third message from the terminal device, and the third message is used to indicate that the terminal device has the transmission method. The ability to describe the first reference information.

It should be noted that the receiving unit 710 and the sending unit 720 may be implemented by a transceiver.

An embodiment of the present application also provides 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 method as recorded in the above method embodiment , The above-mentioned computer includes terminal equipment.

The embodiments of the present application also provide a computer program product. The above-mentioned computer program product includes a non-transitory computer-readable storage medium storing a computer program. Part or all of the steps of the method. The computer program product may be a software installation package, and the above-mentioned computer includes terminal equipment.

It should be noted that for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should know that this application is not limited by the described sequence of actions. Because according to this application, some steps can be performed in other order or at the same time. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by this application.

In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in an embodiment, reference may be made to related descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed device may be implemented in other ways. For example, the device embodiments described above are only illustrative, for example, the division of the above-mentioned units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or integrated. To another system, or some features can be ignored, or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical or other forms.

The units described above as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.

In addition, the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.

If the above integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable memory. Based on this understanding, the technical solution of the present application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a memory. A number of instructions are included to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the foregoing methods of the various embodiments of the present application. The aforementioned memory includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.

Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above-mentioned embodiments can be completed by a program instructing relevant hardware. The program can be stored in a computer-readable memory, and the memory can include: a flash disk , ROM, RAM, magnetic disk or CD, etc.

The embodiments of the application are described in detail above, and specific examples are used in this article to illustrate the principles and implementation of the application. The descriptions of the above embodiments are only used to help understand the methods and core ideas of the application; at the same time, for Those of ordinary skill in the art, based on the ideas of the application, will have changes in the specific implementation and the scope of application. In summary, the content of this specification should not be construed as limiting the application.

Claims

A method for adjusting the threshold of timing advance, which is characterized in that the method includes:

The terminal device sends first reference information, where the first reference information includes the wireless signal quality and/or geographic location measured by the terminal device;

The terminal device receives a first wireless signal quality threshold value from the network device, where the first wireless signal quality threshold value is determined by the network device based on the first reference information.
The method according to claim 1, wherein the method further comprises:

Receiving, by the terminal device, a second wireless signal quality threshold, where the second wireless signal quality threshold is used by the terminal device to determine whether to acquire a timing advance;

The sending of the first reference information by the terminal device includes:

In a case where the wireless signal quality measured by the terminal device is greater than or equal to the second wireless signal quality threshold, and the terminal device and the network device are clocked out of sync, the terminal device sends the first reference information.
The method according to claim 2, wherein the method further comprises:

In a case where the wireless signal quality measured by the terminal device is less than the second wireless signal quality threshold, the terminal device acquires the timing advance.
The method according to claim 2, wherein the method further comprises:

In the case that the wireless signal quality measured by the terminal device is greater than or equal to the second wireless signal quality threshold, and the terminal device is clocked out of synchronization with the network device and/or other terminal devices, the terminal device obtains the The timing advance.
The method according to claim 3 or 4, wherein the terminal device acquiring the timing advance includes:

The terminal device sends a random access preamble to the network device, and receives a random access response from the network device, where the random access response carries the timing advance; or,

The terminal device sends uplink data or auxiliary signals to the network device, and receives timing advance information sent by the network device.
The method according to claim 1, wherein before the terminal device device sends the first reference information, the method further comprises:

The terminal device receives a first message, and the first message is used to inquire about the availability of the first reference information of the terminal device.
The method according to claim 6, wherein the method further comprises:

The terminal device sends a second message to the network device, where the second message is used to instruct the network device to send the first message and/or report that a clock failure occurs between the terminal device and the network device and/or other terminals. The situation of synchronization.
The method according to any one of claims 1-7, wherein the wireless signal quality threshold is carried in RRC signaling, MAC CE signaling, or a broadcast message, and the wireless signal quality threshold includes at least one of the following: Cell reference signal received power RSRP, cell reference signal received quality RSRQ, cell signal to interference plus noise ratio SINR, synchronization signal block SSB RSRP, SSB RSRQ, SSB SINR, channel state information reference signal CSI-RS RSRP, CSI-RS RSPQ and CSI-RS SINR.
The method according to any one of claims 1-8, wherein the method further comprises:

The terminal device sends a third message to the network device, where the third message is used to indicate that the terminal device has the ability to send the first reference information.
A method for adjusting the threshold of timing advance, which is characterized in that the method includes:

The network device receives first reference information, where the first reference information includes wireless signal quality and/or geographic location measured by the terminal device;

The network device sends the first wireless signal quality threshold to the terminal device, where the first wireless signal quality threshold is determined based on the first reference information.
The method according to claim 10, wherein the method further comprises:

The network device sends a second wireless signal quality threshold, where the second wireless signal quality threshold is used by the terminal device to determine whether to acquire a timing advance.
The method according to claim 10 or 11, wherein before the network device receives the first reference information, the method further comprises:

The network device sends a first message, the first message being used to inquire about the availability of the first reference information of the terminal device.
The method according to any one of claims 10-12, wherein the method further comprises:

The network device receives a second message, where the second message is used to instruct the network device to send the first message and/or report that the terminal device and the network device and/or other terminals are out of clock synchronization.
The method according to any one of claims 10-13, wherein the wireless signal quality threshold is carried in RRC signaling, MAC CE signaling, or a broadcast message, and the wireless signal quality threshold includes at least one of the following: Cell reference signal received power RSRP, cell reference signal received quality RSRQ, cell signal to interference plus noise ratio SINR, synchronization signal block SSB RSRP, SSB RSRQ, SSB SINR, channel state information reference signal CSI-RS RSRP, CSI-RS RSPQ and CSI-RS SINR.
The method according to any one of claims 10-14, wherein the method further comprises:

The network device receives a third message from the terminal device, where the third message is used to indicate that the terminal device has the ability to send the first reference information.
A device for adjusting the threshold of timing advance, characterized in that the device comprises:

A sending unit, configured for a terminal device to send first reference information, where the first reference information includes the wireless signal quality and/or geographic location measured by the terminal device;

The receiving unit is configured to receive, by the terminal device, a first wireless signal quality threshold value from the network device, where the first wireless signal quality threshold value is determined by the network device based on the first reference information.
The apparatus according to claim 16, wherein the receiving unit is further configured for the terminal device to receive a second wireless signal quality threshold, and the second wireless signal quality threshold is used for the terminal device to determine whether to acquire timing Advance amount

The sending unit is also used for:

In a case where the wireless signal quality measured by the terminal device is greater than or equal to the second wireless signal quality threshold, and the terminal device and the network device are clocked out of sync, the terminal device sends the first reference information.
The apparatus according to claim 17, wherein in a case where the wireless signal quality measured by the terminal device is less than the second wireless signal quality threshold, the apparatus further comprises an acquiring unit, and the acquiring unit is used for The terminal device obtains the timing advance.
The apparatus according to claim 17, wherein the wireless signal quality measured at the terminal device is greater than or equal to the second wireless signal quality threshold, and the terminal device and the network device and/or other terminals are not clocked In the case of synchronization, the apparatus further includes an obtaining unit, and the obtaining unit is configured to obtain the timing advance by the terminal device.
The device according to claim 18 or 19, wherein the acquiring unit is specifically configured to:

The terminal device sends a random access preamble to the network device, and receives a random access response from the network device, where the random access response carries the timing advance; or,

The terminal device sends uplink data or auxiliary signals to the network device, and receives timing advance information sent by the network device.
The apparatus according to claim 16, wherein before the first reference information is sent to the network device, the receiving unit is further used for the terminal device to receive a first message, and the first message is used for querying the Availability of the first reference information of the terminal device.
The apparatus according to claim 21, wherein the sending unit is further configured to send a second message to the network device by the terminal device, and the second message is used to instruct the network device to send the first message and / Or report the occurrence of clock synchronization between the terminal device and the network device and/or other terminals.
The apparatus according to any one of claims 16-22, wherein the wireless signal quality threshold is carried in RRC signaling, MAC CE signaling, or a broadcast message, and the wireless signal quality threshold includes at least one of the following: Cell reference signal received power RSRP, cell reference signal received quality RSRQ, cell signal to interference plus noise ratio SINR, synchronization signal block SSB RSRP, SSB RSRQ, SSB SINR, channel state information reference signal CSI-RS RSRP, CSI-RS RSPQ and CSI-RS SINR.
The apparatus according to any one of claims 16-23, wherein the sending unit is further configured to send a third message from the terminal device to the network device, and the third message is used to instruct the terminal device Have the ability to send the first reference information.
A device for adjusting the threshold of timing advance, characterized in that the device comprises:

A receiving unit, configured to receive first reference information by a network device, where the first reference information includes wireless signal quality and/or geographic location measured by the terminal device;

The sending unit is configured to send the first wireless signal quality threshold to the terminal device by the network device, where the first wireless signal quality threshold is determined based on the first reference information.
The apparatus according to claim 25, wherein the sending unit is further used for the network device to send a second wireless signal quality threshold, and the second wireless signal quality threshold is used for the terminal device to determine whether to obtain the timing advance quantity.
The apparatus according to claim 25 or 26, wherein, before the network device receives the first reference information, the sending unit is further used for the network device to send a first message, and the first message is used for querying the network device. Availability of the first reference information of the terminal device.
The apparatus according to any one of claims 25-27, wherein the receiving unit is further used for the network device to receive a second message, and the second message is used for instructing the network device to send the first message and / Or report the occurrence of clock synchronization between the terminal device and the network device and/or other terminals.
The apparatus according to any one of claims 25-28, wherein the wireless signal quality threshold is carried in RRC signaling, MAC CE signaling, or a broadcast message, and the wireless signal quality threshold includes at least one of the following: Cell reference signal received power RSRP, cell reference signal received quality RSRQ, cell signal to interference plus noise ratio SINR, synchronization signal block SSB RSRP, SSB RSRQ, SSB SINR, channel state information reference signal CSI-RS RSRP, CSI-RS RSPQ and CSI-RS SINR.
The apparatus according to any one of claims 25-29, wherein the receiving unit is further configured to receive a third message from the terminal device by the network device, and the third message is used to instruct the terminal The device has the ability to send the first reference information.
A terminal device, characterized in that the terminal device includes a memory, a communication interface, and one or more programs, and the one or more programs are stored in the memory and configured to be executed by the processor The program includes instructions for executing the steps in the method according to any one of claims 1-9.
A network device, wherein the network device includes a memory, a communication interface, and one or more programs, and the one or more programs are stored in the memory and configured to be executed by the processor The program includes instructions for executing the steps in the method according to any one of claims 10-15.
A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to execute any one of claims 1-9 method.
A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to execute any one of claims 10-15 method.