WO2021027907A1

WO2021027907A1 - Communication method and communication apparatus

Info

Publication number: WO2021027907A1
Application number: PCT/CN2020/109064
Authority: WO
Inventors: 耿婷婷; 严乐; 张宏平
Original assignee: 华为技术有限公司
Priority date: 2019-08-15
Filing date: 2020-08-14
Publication date: 2021-02-18
Also published as: CN112399497A

Abstract

The present application provides a communication method and a communication device, which facilitate reducing air interface overheads. The method comprises: a terminal device receives a message from a target access network device, the message being used for indicating whether to perform measurement on the basis of at least some of parameters in a first measurement configuration, wherein the first measurement configuration is from a source access network device and the first measurement configuration comprises parameters for the terminal device to perform measurement; when the message indicates that the measurement can be continued to be performed on the basis of the at least some of the parameters in the first measurement configuration, the terminal device can continue performing the measurement on the basis of the at least some of the parameters in the first measurement configuration. Therefore, the target access network device may not send or merely send a small number of additional parameters. Therefore, air interface overheads can be reduced.

Description

Communication method and communication device

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office with the application number 201910755808.3 and the application name "Communication Method and Communication Device" on August 15, 2019, the entire content of which is incorporated into this application by reference.

Technical field

The present application relates to the field of communication, and more specifically, to a communication method and communication device.

Background technique

The inactive state (inactive state) is a radio resource control (radio resource control, RRC) state introduced in the new radio (NR) system. The access network equipment can configure the terminal equipment to enter the inactive state through signaling. The terminal device that enters the inactive state can disconnect the RRC connection with the access network.

In order to quickly configure carrier aggregation (CA) or dual connectivity (DC) for terminal equipment, the inactive terminal equipment can be measured before accessing the network, for example, when the inactive terminal equipment enters the connection Make a measurement before the state. Since this measurement behavior is a measurement behavior before access to the network, it can be called early measurement. The access network device can configure the measurement parameters for the terminal device before the terminal device enters the inactive state, so that the terminal device can perform early measurement.

However, due to the mobility of the terminal equipment, the terminal equipment in the inactive state may move from one cell (for example, denoted as cell A) to another cell (for example, denoted as cell B). Cell A and cell B may not be the same cell. The access network equipment to which cell B belongs may configure the terminal equipment with new parameters for early measurement. If the terminal device frequently moves between multiple cells, the air interface overhead caused by the early measurement configuration may be very large.

Summary of the invention

The present application provides a communication method and communication device, in order to reduce the signaling overhead caused by the parameter configuration of the early measurement on the air interface.

In the first aspect, a communication method is provided. The communication method may be executed by a terminal device, or may also be executed by a component (such as a circuit or a chip) in the terminal device, for example. This application does not limit this.

Specifically, the communication method includes: receiving a first message from a source access network device, the first message instructing the terminal device to enter an inactive state. The first message includes a first measurement configuration, the first measurement configuration includes a parameter for the terminal device to perform measurement in an inactive state; according to the first message, enter the inactive state, and perform measurement based on the first measurement configuration; Send a request for restoring a radio resource control (RRC) connection to the target access network device, and receive a second message from the target access network device, the second message is used to instruct the terminal device to enter the inactive state Or idle state; according to the second message, measurement is performed based on at least part of the parameters in the first measurement configuration.

The first measurement configuration is a measurement parameter configured for the terminal device when the source access network device configures the terminal device to enter the inactive state. In the embodiment of the present application, the terminal device may still retain the parameters of the first measurement configuration when it enters the coverage of the target access network device. The target access network device may indicate through the second message whether the terminal device continues to use the parameters in the first measurement configuration. The terminal device may perform measurement based on at least part of the parameters in the first measurement configuration according to the second message, or not perform measurement based on the parameters in the first measurement configuration.

Based on the above solution, the terminal device can retain the measurement configuration received from the source access network device (for example, the above-mentioned first cell) when moving from one cell (for example, the source cell) to another cell (for example, the target cell). One measurement configuration). The target access network device may indicate whether the terminal device can continue to use some or all of the parameters in the first measurement configuration. In the case that the terminal device can continue to use all the parameters in the first measurement configuration, the target access network device may not need to use additional air interface overhead to send the measurement parameters to the terminal device, but only need to pass a few instructions Bit to instruct the terminal device to continue measuring based on the parameters in the first measurement configuration. In the case that part of the parameters in the first measurement configuration can continue to be used, the target access network device can also send additional measurement parameters to the terminal device, instead of sending all configuration parameters to the terminal device. The air interface overhead caused by configuration can also be reduced. In this way, the access network device does not need to send the measurement configuration to the terminal device every time the terminal device is configured to enter the inactive or idle state, which can save air interface overhead caused by frequent measurement configuration.

In the embodiment of the present application, the target access network device may explicitly or implicitly indicate through the second message whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration. Specifically, the second message may include one or more of the following: 1) an indication for indicating whether to perform measurement based on at least part of the parameters in the first measurement configuration; 2) the second measurement configuration; 3) the third measurement Configuration; and 4) information used to indicate whether to restart the timer or whether to continue to run the timer.

The second message may, for example, indicate whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration through one or more of the foregoing information. It should be understood that the four items of information listed above can be understood as information related to the measurement configuration in the second message. The second message may also include information related to other measurement configurations and/or information used for other functions. This application does not limit this.

With reference to the first aspect, in some possible implementation manners of the first aspect, the second message includes information for indicating whether to perform measurement based on the parameters in the first measurement configuration.

That is, the second message instructs the terminal device to perform measurement based on or not based on the parameters in the first measurement configuration through an explicit indication.

With reference to the first aspect, in some possible implementations of the first aspect, the second message includes information for instructing to restart the timer or continue to run the timer; the timer is started based on the first measurement configuration, and the timing The operating time of the detector is the effective time of measurement included in the first measurement configuration.

The second message includes information for indicating whether to restart or continue to run the timer, which can be used to implicitly indicate whether the terminal device performs measurement based on the parameters in the first measurement configuration. For example, the information indicates to restart or continue to run the timer, that is, to continue to use the timer, which is equivalent to implicitly instructing the terminal device to perform measurement based on the parameters in the first measurement configuration; the information indicates not to restart or not Continue to run the timer, that is, indicate not to use the timer, which is equivalent to implicitly instructing the terminal device not to perform measurement based on the parameters in the first measurement configuration.

By carrying information indicating whether to restart or continue to run the timer in the second message, the terminal device can directly determine whether to perform measurement based on the first measurement configuration according to the information. That is, the second access network device may no longer use additional indication information to indicate whether to perform measurement based on the first measurement configuration, thereby saving air interface overhead.

Optionally, when the second message includes both information indicating whether to perform measurement based on the parameters in the first measurement configuration and information indicating whether to restart or continue to run the timer, the former may be prioritized to determine whether The measurement is performed based on at least part of the parameters in the first measurement configuration, and it is determined whether to continue to use the measurement effective time in the first measurement configuration based on the latter.

Optionally, the method further includes: restarting the timer or continuing to run the timer according to the second message, and after the running time of the timer is reached, determining to stop the measurement based on the first measurement configuration.

In the case where the second message indicates to restart the running timer, the terminal device may restart the timer according to the second message; or, in the case where the second message indicates to continue to run the timer, the terminal device may restart the timer according to the first message. The second message continues to run the timer. After the running time of the timer is reached, the first measurement configuration no longer takes effect. The terminal device can stop measuring based on the first measurement configuration.

With reference to the first aspect, in some possible implementations of the first aspect, the second message includes a second measurement configuration, and the second measurement configuration includes a parameter for the terminal device to perform measurement.

When the second message includes the second measurement configuration, it can be used to implicitly indicate that the terminal device performs measurement based on the parameters in the second measurement configuration. Therefore, the second message includes the second measurement configuration, which can be used to implicitly indicate that the terminal device does not perform measurement based on the parameters in the first measurement configuration.

By carrying the second measurement configuration in the second message, the terminal device can not only obtain the second measurement configuration parameter, but also learn that it will no longer perform measurement based on the first measurement configuration. That is, the second access network device may no longer use additional indication information to indicate whether to perform measurement based on the first measurement configuration, thereby saving air interface overhead.

Optionally, the method further includes: performing measurement according to the second message and based on the parameters in the second measurement configuration.

After receiving the second measurement configuration, the terminal device can continue to perform measurement based on the first measurement configuration, and after completing the measurement based on the first measurement configuration, perform measurement based on the parameters in the second measurement configuration; or stop The measurement based on the first measurement configuration is directly based on the parameters in the second measurement configuration. This application does not limit this. The behavior of the terminal device belongs to the internal implementation of the device, and can be determined by the terminal device itself, or it can be pre-defined by the protocol. This application does not limit this.

With reference to the first aspect, in some possible implementation manners of the first aspect, the second message includes a third measurement configuration, and the third measurement configuration includes additional parameters for the terminal device to perform measurement.

The third measurement configuration can be used for the terminal device to perform delta configuration. The third measurement configuration may include additional parameters for the terminal device to perform measurement. The terminal device can perform delta configuration according to the first measurement configuration and the third measurement configuration received in advance, so that a more comprehensive measurement can be performed.

Since the third measurement configuration only needs to include additional parameters, and the parameters originally reserved for the terminal device do not need to be repeatedly sent, compared to a complete measurement configuration, air interface overhead can be saved.

Therefore, the access network device (for example, the source access network device or the target access network device) can make reasonable judgments according to requirements. If necessary, send the newly configured parameters to the terminal device. In unnecessary cases, the measurement configuration is not sent to avoid unnecessary air interface overhead. This can greatly reduce the cost of configuring parameters for the terminal device. At the same time, the measurement effect is taken into account, which is beneficial to obtain a higher compromise efficiency between the cost and the measurement effect.

When the second message includes the third measurement configuration, it can be used to implicitly instruct the terminal device to perform delta configuration based on some or all of the parameters in the third measurement configuration and the first measurement configuration. That is, the second access network device may no longer use additional indication information to indicate whether to perform measurement based on the first measurement configuration, thereby saving air interface overhead.

Optionally, the method further includes: performing measurement based on at least part of the parameters in the first measurement configuration and the parameters in the third measurement configuration.

When the terminal device performs delta configuration based on the parameters in the first measurement configuration and the parameters in the third measurement configuration, if the configuration of a certain parameter conflicts, for example, both the first measurement configuration and the third measurement configuration include measurement Effective time, and the two values are different, the terminal device should preferentially use the parameters in the third measurement configuration. Therefore, the parameters obtained after delta configuration may include some or all of the parameters in the first measurement configuration and all the parameters in the third measurement configuration.

With reference to the first aspect, in some implementations of the first aspect, the second message is a message used to release the RRC connection.

For example, the second message is an RRC release (RRC release) message, or an RRC connection release (RRC connection release) message.

That is to say, when the second access network device configures the terminal device to enter the inactive state or the idle state, it also instructs the terminal device based on which parameters to measure.

In the second aspect, a communication method is provided. The communication method may be executed by, for example, a target access network device, or may also be executed by a component (such as a circuit or a chip) in the target access network device. This application does not limit this.

Specifically, the method includes: acquiring a second message for determining whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration, and the first measurement configuration is the source access network device indication The terminal device is configured to the terminal device when it enters the inactive state, and the first measurement configuration includes parameters for the terminal device to perform measurement in the inactive state; the second message is sent to the terminal device.

In other words, the terminal device can determine whether to perform measurement based on at least part of the parameters in the first measurement configuration according to the second message. For the related description of the first measurement configuration, refer to the related description in the first aspect. For brevity, details are not repeated here.

In the embodiment of the present application, the aforementioned second message may be generated by the target access network device itself, or may be received by the target access network device from the source access network device. This application does not limit this.

With reference to the second aspect, in some possible implementations of the second aspect, the acquiring the second message includes: generating the second message based on the context of the terminal device received from the source access network device.

In other words, the target access network device can obtain the context of the terminal device from the source access network device. Thus, the target access network device becomes the new source access network device of the terminal device. The new source access network device of the terminal device (that is, the above-mentioned target access network device) can determine by itself whether the terminal device needs to perform measurement based on the parameters in the first measurement configuration, and therefore can generate the second message by itself.

Optionally, the method further includes: receiving time information from the source access network device, where the time information is used to determine the duration for the terminal device to continue measurement based on the first measurement configuration.

The old source access network device of the terminal device (that is, the above-mentioned source access network device) can further send time information to the new source access network device (that is, the above-mentioned target access network device) to instruct the terminal device based on The first measurement configuration continues to measure the length of time. The time period during which the terminal device continues to perform measurement based on the first measurement configuration is the remaining time period during which the first measurement configuration takes effect. In other words, when the terminal device continues to perform measurement based on the first measurement configuration for zero duration, the first measurement configuration is correspondingly invalid. Once the first measurement configuration becomes invalid, the terminal device and the access network device that saved the first measurement configuration can delete the first measurement configuration respectively. For example, the target access network device that has acquired the first measurement configuration may delete the first measurement configuration after the first measurement configuration becomes invalid. Correspondingly, the terminal device may also delete the first measurement configuration after the first measurement configuration becomes invalid. As the target access network device is the new source access network device, it is no longer necessary to send the first measurement configuration to the new target access network device, thereby avoiding unnecessary overhead.

Optionally, the time information specifically indicates one or more of the following: the moment when the source access network device sends the first measurement configuration to the terminal device; the remaining time determined by the source access network device based on the effective duration of the measurement in the first measurement configuration Duration; and the elapsed duration of the measurement based on the first measurement configuration.

It should be understood that the foregoing is only an example, and lists information that can be used to determine the duration for the terminal device to continue to perform measurement based on the first measurement configuration, but this should not constitute any limitation to this application. This application does not limit the information specifically indicated by the time information.

Optionally, the time information is carried in the context of the terminal device.

That is, the source access network device can carry the time information in the context of the terminal device and send it to the target access network device. In other words, the above-mentioned time information can be considered as part of the information in the context of the terminal device.

Of course, the source access network device may also send the time information to the terminal device through other existing or newly added signaling. This application does not limit this.

Optionally, the context of the terminal device also includes at least part of the parameters in the first measurement configuration.

In order to facilitate the target access network device to determine whether the terminal device needs to perform measurement based on the parameters in the first measurement configuration, the source access network device may also send some or all of the parameters in the first measurement configuration to the target access network device . The reason why some parameters in the first measurement configuration can be sent to the target access network device is because some parameters may be indicated in other information. For example, the above time information. If the source access network device indicates the duration for the terminal device to continue measuring based on the first measurement configuration through the time information, the source access network device does not need to send the effective duration of the measurement in the first measurement configuration to the target access network device. It should be understood that this is only an example for ease of understanding, and should not constitute any limitation to the application. The source access network device may also send all the parameters in the first measurement configuration to the target access network device.

In a possible design, some or all of the parameters in the first measurement configuration may also be sent to the target access network device as a part of the context of the terminal device.

With reference to the second aspect, in some implementations of the second aspect, the acquiring the second message includes: receiving a context acquisition failure message from the source access network device, where the context acquisition failure message carries the second message, The context acquisition failure message is used to indicate that the context acquisition of the terminal device fails.

That is, the target access network device failed to successfully obtain the context of the terminal device. The target access network device fails to become the new source access network device of the terminal device. That is, the source access network device of the terminal device has not changed. In this case, the source access network device may generate a second message, carry the second message in a context acquisition failure message, and send it to the target access network device. After receiving the context acquisition failure message, the target access network device can determine that the context acquisition of the terminal device fails, and directly forward the second message in the context acquisition failure message to the terminal device.

Optionally, the context acquisition failure message further includes a second measurement configuration or a third measurement configuration, the second measurement configuration includes parameters for the terminal device to perform measurement, and the third measurement configuration includes additional The parameters measured by the terminal equipment.

If the source access network device configures a new measurement parameter for the terminal device, the source access network device can also forward it to the terminal device through the target access network device. The new parameter used for measurement may be the second measurement configuration, which can be used to replace the first measurement configuration, or the third measurement configuration, which can be used for delta configuration with the first measurement configuration. This application does not limit this.

In a possible design, the second measurement configuration or the third measurement configuration may be carried in a second message, and the context acquisition failure message may send the second message to the target access network device to pass the target access The network access device forwards the second message to the terminal device.

Based on the above solution, the access network device (for example, the source access network device or the target access network device) can make reasonable judgments according to requirements. If necessary, send the newly configured parameters to the terminal device. In unnecessary cases, the measurement configuration is not sent to avoid unnecessary air interface overhead. This can greatly reduce the cost of configuring parameters for the terminal device. At the same time, the measurement effect is taken into account, which is beneficial to obtain a higher compromise efficiency between the cost and the measurement effect.

In the third aspect, a communication method is provided. The communication method may be executed by, for example, a source access network device, or may also be executed by a component (such as a circuit or a chip) in the source access network device. This application does not limit this.

Specifically, the method may include: generating time information, the time information being used to determine the length of time that the terminal device continues to perform measurement based on a first measurement configuration that is configured to the terminal device when the terminal device is instructed to enter an inactive state , And the first measurement configuration includes parameters used for the terminal device to perform measurement in the inactive state; sending the time information to the target access network device.

That is, the source access network device can generate time information and send the time information to the target access network device. Therefore, the target access network device can determine, according to the time information, the length of time for the terminal device to continue the measurement based on the first measurement configuration.

Optionally, the time information is carried in the context of the terminal device. The foregoing sending time information to the target access network device includes: sending the context of the terminal device to the target access network device, and the context of the terminal device includes the time information.

In other words, the source access network device can send the context of the terminal device to the target access network device. Therefore, the target access network device can be referred to as the new source access network device of the terminal device. In this case, the old source access network device (that is, the aforementioned source access network device) can send time information to the new source access network device (that is, the aforementioned target access network device) to facilitate the new source The access network device determines the length of time that the terminal device continues to perform measurement based on the first measurement configuration. The time period during which the terminal device continues to perform measurement based on the first measurement configuration is the remaining time period during which the first measurement configuration takes effect. In other words, when the terminal device continues to perform measurement based on the first measurement configuration for zero duration, the first measurement configuration is correspondingly invalid. Once the first measurement configuration becomes invalid, the terminal device and the access network device that saved the first measurement configuration can delete the first measurement configuration respectively. For example, acquiring the first measurement configuration in the target access network device may delete the first measurement configuration after the first measurement configuration becomes invalid. Correspondingly, the terminal device may also delete the first measurement configuration after the first measurement configuration becomes invalid. As the target access network device is the new source access network device, it is no longer necessary to send the first measurement configuration to the new target access network device, thereby avoiding unnecessary overhead.

Optionally, the context of the terminal device also includes at least part of the parameters of the first measurement configuration.

For the relevant description about the context of the terminal device including at least part of the parameters of the first measurement configuration, please refer to the relevant description in the second aspect. For brevity, details are not repeated here.

In the fourth aspect, a communication method is provided. The communication method may be executed by, for example, a source access network device, or may also be executed by a component (such as a circuit or a chip) in the source access network device. This application does not limit this.

Specifically, the method may include: generating a second message for determining whether to perform measurement based on at least part of the parameters in the first measurement configuration, and the first measurement configuration is to instruct the terminal device to enter the inactive state. For a terminal device, and the first measurement configuration includes parameters used for the terminal device to perform measurement in an inactive state; the second message is sent to the terminal device through the target access network device.

In this embodiment, the second message may be generated by the source access network device. The source access network device may forward the second message to the terminal device through the target access network device. In this case, the source access network device is still the source access network device of the terminal device.

Optionally, sending the second message to the terminal device through the target access network device includes:

Send a context acquisition failure message to the target access network device, the context acquisition failure message includes the second message, the context acquisition failure message is used to indicate that the context acquisition of the terminal device fails, and the second message is sent to the terminal The message of the device.

Because the source access network device does not send the context of the terminal device to the target access network device. The source access network device is still the source access network device of the terminal device, and it may be determined whether the terminal device performs measurement based on the parameters in the first measurement configuration. The source access network device may carry the second message through the context acquisition failure message. On the one hand, the target access network device is notified that the context acquisition of the terminal device fails, and on the other hand, the second message is sent to the terminal device through the target access network device.

Optionally, the context acquisition failure message further includes a second measurement configuration or a third measurement configuration, the second measurement configuration includes parameters for the terminal device to perform measurement, and the third measurement configuration includes additional measurements for the terminal device The parameter to be measured.

For the related description about the second measurement configuration or the third measurement configuration included in the context acquisition failure message, refer to the related description in the second aspect, and for brevity, it will not be repeated here.

Based on the above solution, the source access network equipment can make reasonable judgments according to requirements. If necessary, send the newly configured parameters to the terminal device. In unnecessary cases, the measurement configuration is not sent to avoid unnecessary air interface overhead. This can greatly reduce the cost of configuring parameters for the terminal device. At the same time, the measurement effect is taken into account, which is beneficial to obtain a higher compromise efficiency between the cost and the measurement effect.

With reference to the second aspect to the fourth aspect, in some possible implementation manners, the second message includes information for indicating whether to perform measurement based on at least part of the parameters in the first measurement configuration.

With reference to the second to fourth aspects, in some possible implementation manners, the second message includes information for instructing restarting the timer or continuing to run the timer; the timer is started based on the first measurement configuration, and the The running duration of the timer is the effective duration of the measurement included in the first measurement configuration.

With reference to the second to fourth aspects, in some possible implementation manners, the second message includes a second measurement configuration, and the second measurement configuration includes a parameter for the terminal device to perform measurement.

With reference to the second aspect to the fourth aspect, in some possible implementation manners, the second message includes a third measurement configuration, and the third measurement configuration includes additional parameters used for measurement by the terminal device.

With reference to the first aspect to the fourth aspect, in some possible implementation manners, the second message is a message used to release a radio resource control RRC connection.

Optionally, the second message is an RRC release (RRC release) message, or an RRC connection release (RRC connection release) message.

In the embodiment of the present application, the target access network device may explicitly or implicitly indicate through the second message whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration. For related descriptions of the information contained in the second message and its functions, please refer to the related descriptions in the first aspect. For brevity, details are not repeated here.

In a fifth aspect, a communication device is provided, including various modules or units for executing the method in any one of the possible implementation manners of the first aspect.

In a sixth aspect, a communication device is provided, including a processor. The processor is coupled with the memory and can be used to execute instructions in the memory to implement the method in any one of the possible implementation manners of the first aspect. Optionally, the communication device further includes a memory. Optionally, the communication device further includes a communication interface, and the processor is coupled with the communication interface.

In an implementation manner, the communication device is a terminal device. When the communication device is a terminal device, the communication interface may be a transceiver or an input/output interface.

In another implementation manner, the communication device is a chip configured in a terminal device. When the communication device is a chip configured in a terminal device, the communication interface may be an input/output interface.

Optionally, the transceiver may be a transceiver circuit. Optionally, the input/output interface may be an input/output circuit.

In a seventh aspect, a communication device is provided, including various modules or units for executing the method in any one of the possible implementation manners of the second aspect.

In an eighth aspect, a communication device is provided, including a processor. The processor is coupled with the memory and can be used to execute instructions in the memory to implement the method in any one of the possible implementation manners of the second aspect. Optionally, the communication device further includes a memory. Optionally, the communication device further includes a communication interface, and the processor is coupled with the communication interface.

In an implementation manner, the communication device is an access network device. When the communication device is an access network device, the communication interface may be a transceiver, or an input/output interface.

In another implementation manner, the communication device is a chip configured in an access network device. When the communication device is a chip configured in an access network device, the communication interface may be an input/output interface.

In a ninth aspect, a communication device is provided, which includes various modules or units for executing the method in any one of the third aspect or the fourth aspect.

In a tenth aspect, a communication device is provided, including a processor. The processor is coupled with the memory and can be used to execute instructions in the memory to implement the method in any one of the foregoing third aspect or the fourth aspect. Optionally, the communication device further includes a memory. Optionally, the communication device further includes a communication interface, and the processor is coupled with the communication interface.

In an eleventh aspect, a processor is provided, including: an input circuit, an output circuit, and a processing circuit. The processing circuit is configured to receive a signal through the input circuit and transmit a signal through the output circuit, so that the processor executes the method in any one of the possible implementation manners of the first aspect to the fourth aspect.

In a specific implementation process, the foregoing processor may be a chip, the input circuit may be an input pin, the output circuit may be an output pin, and the processing circuit may be a transistor, a gate circuit, a flip-flop, and various logic circuits. The input signal received by the input circuit may be received and input by, for example, but not limited to, a receiver, and the signal output by the output circuit may be, for example, but not limited to, output to and transmitted by the transmitter, and the input circuit and output The circuit can be the same circuit, which is used as an input circuit and an output circuit at different times. The embodiments of the present application do not limit the specific implementation manners of the processor and various circuits.

In a twelfth aspect, a device is provided, including a processor and a memory. The processor is used to read instructions stored in the memory, and can receive signals through a receiver, and transmit signals through a transmitter, so as to execute the method in any one of the possible implementation manners of the first aspect to the fourth aspect.

Optionally, there are one or more processors and one or more memories.

Optionally, the memory may be integrated with the processor, or the memory and the processor may be provided separately.

In the specific implementation process, the memory can be a non-transitory (non-transitory) memory, such as a read only memory (ROM), which can be integrated with the processor on the same chip, or can be set in different On the chip, the embodiment of the present application does not limit the type of memory and the setting mode of the memory and the processor.

It should be understood that the related data interaction process, for example, sending instruction information may be a process of outputting instruction information from the processor, and receiving capability information may be a process of the processor receiving input capability information. Specifically, the processed output data may be output to the transmitter, and the input data received by the processor may come from the receiver. Among them, the transmitter and receiver can be collectively referred to as a transceiver.

The device in the above-mentioned twelfth aspect may be a chip, and the processor may be implemented by hardware or software. When implemented by hardware, the processor may be a logic circuit, an integrated circuit, etc.; when implemented by software At this time, the processor may be a general-purpose processor, which is implemented by reading software codes stored in the memory. The memory may be integrated in the processor, may be located outside the processor, and exist independently.

In a thirteenth aspect, a computer program product is provided. The computer program product includes: a computer program (also called code, or instruction), which when the computer program is executed, causes the computer to execute the first aspect to The method in any possible implementation manner in the fourth aspect.

In a fourteenth aspect, a computer-readable medium is provided, and the computer-readable medium stores a computer program (also called code, or instruction) when it runs on a computer, so that the computer executes the first aspect to The method in any possible implementation manner in the fourth aspect.

In a fifteenth aspect, a communication system is provided, including the aforementioned access network equipment and terminal equipment.

Description of the drawings

FIG. 1 is a schematic diagram of a communication system suitable for the method provided by the embodiment of the present application;

FIG. 2 is a schematic flowchart of a communication method provided by an embodiment of the present application;

FIG. 3 is a schematic block diagram of a communication device provided by an embodiment of the present application;

Figure 4 is a schematic structural diagram of a terminal device provided by an embodiment of the present application;

Figure 5 is a schematic structural diagram of an access network device provided by an embodiment of the present application.

detailed description

The technical solution in this application will be described below in conjunction with the drawings.

The technical solutions of the embodiments of this application can be applied to various communication systems, such as: long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (time division duplex) , TDD), Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) Communication System, Future 5th Generation (5G) System or New Wireless ( new radio, NR), vehicle-to-X (V2X), where V2X can include vehicle-to-network (V2N), vehicle-to-vehicle (V2V), and vehicle-to-infrastructure ( vehicle to infrastructure (V2I), vehicle to pedestrian (V2P), etc., Long Term Evolution-Vehicle (LTE-V) for workshop communication, Internet of Vehicles, machine type communication (MTC), Internet of Things (IoT), Long Term Evolution-Machine (LTE-M), Machine to Machine (M2M), etc.

In the embodiments of the present application, an access network (radio access network, RAN) device may be any device with a wireless transceiver function. This equipment includes but is not limited to: evolved Node B (eNB), radio network controller (RNC), Node B (NB), base station controller (BSC) , Base transceiver station (base transceiver station, BTS), home base station (for example, home evolved Node B, or home Node B, HNB), baseband unit (BBU), wireless fidelity (wireless fidelity, WIFI) system The access point (AP), wireless relay node, wireless backhaul node, transmission point (TP) or transmission and reception point (TRP), etc., can also be 5G (such as NR). ) The gNB or transmission point (TRP or TP) in the system, or one or a group of antenna panels (including multiple antenna panels) of the base station in the 5G system, or it can also be a network node that constitutes a gNB or transmission point, Such as baseband unit (BBU), or distributed unit (DU), etc.

In some deployments, the gNB may include a centralized unit (CU) and a DU. The gNB may also include an active antenna unit (AAU). CU implements some functions of gNB, and DU implements some functions of gNB. For example, CU is responsible for processing non-real-time protocols and services, implementing radio resource control (RRC), and packet data convergence protocol (PDCP) The function of the layer. The DU is responsible for processing the physical layer protocol and real-time services, and realizes the functions of the radio link control (RLC) layer, medium access control (MAC) layer, and physical (PHY) layer. AAU realizes some physical layer processing functions, radio frequency processing and related functions of active antennas. Since the information of the RRC layer will eventually become the information of the PHY layer, or be transformed from the information of the PHY layer, under this architecture, high-level signaling, such as RRC layer signaling, can also be considered to be sent by DU , Or, sent by DU+AAU. It is understandable that the access network device may be a device including one or more of the CU node, the DU node, and the AAU node.

It should be noted that the CU may be divided into an access network device or a core network (core network, CN) device, which is not limited in this application. In the embodiments of the present application, for ease of understanding and description, the CU is divided into access network equipment.

The access network equipment provides services for the cell, and the terminal equipment communicates with the cell through transmission resources (for example, frequency domain resources, or spectrum resources) allocated by the access network equipment. The cell may belong to a macro base station (for example, a macro eNB or a macro gNB, etc.), and may also belong to a base station corresponding to a small cell (small cell). The small cells here may include: metro cells, micro cells, pico cells, femto cells, and so on. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-rate data transmission services.

In the embodiments of the present application, terminal equipment may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, Terminal, wireless communication equipment, user agent or user device. The terminal device in the embodiment of the present application may be a mobile phone (mobile phone), a tablet computer (pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, and an augmented reality (AR) terminal Equipment, wireless terminals in industrial control, wireless terminals in unmanned driving (self-driving), wireless terminals in remote medical, wireless terminals in smart grid, transportation safety ( Wireless terminal in transportation safety), wireless terminal in smart city, wireless terminal in smart home (smart home), cellular phone, cordless phone, session initiation protocol (SIP) phone, wireless local Loop (wireless local loop, WLL) stations, personal digital assistants (personal digital assistants, PDAs), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, 5G Terminal equipment in the network, terminal equipment in the public land mobile network (PLMN) that will evolve in the future, or terminal equipment in a non-public network, etc.

Among them, wearable devices can also be referred to as wearable smart devices, which are the general term for using wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes. A wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones. Use, such as various smart bracelets and smart jewelry for physical sign monitoring.

In addition, the terminal device may also be a terminal device in the Internet of Things (IoT) system. IoT is an important part of the development of information technology in the future. Its main technical feature is to connect objects to the network through communication technology, so as to realize the intelligent network of human-machine interconnection and interconnection of things.

This application does not limit the specific form of the terminal device.

In order to facilitate the understanding of the embodiment of the present application, a communication system suitable for the embodiment of the present application is first described in detail with reference to FIG. 1. Fig. 1 shows a schematic diagram of a communication system suitable for the communication method and communication device of the embodiments of the present application. As shown in FIG. 1, the communication system 100 may include at least two access network devices, such as the access network device 110 and the access network device 120 shown in FIG. 1; the communication system 100 may also include at least one terminal device, For example, the terminal device 130 shown in FIG. 1. Wherein, the terminal device 130 may be mobile or fixed. Both the access network device 110 and the access network device 120 are devices that can communicate with the terminal device 130 via a wireless link, such as a base station or a base station controller. Each access network device can provide communication coverage for a specific geographic area, and can communicate with terminal devices located in the coverage area (cell).

Fig. 1 exemplarily shows two access network devices and one terminal device, but this should not constitute any limitation to this application. Optionally, the communication system 100 may include more access network devices, and the coverage of each access network device may include other numbers of terminal devices. Optionally, the communication system 100 may also include one or more core network devices. The embodiments of this application do not limit this.

Each of the aforementioned communication devices, such as the access network device 110, the access network device 120, or the terminal device 130 in FIG. 1, may be configured with multiple antennas. The plurality of antennas may include at least one transmitting antenna for transmitting signals and at least one receiving antenna for receiving signals. In addition, each communication device additionally includes a transmitter chain and a receiver chain. Those of ordinary skill in the art can understand that they can all include multiple components related to signal transmission and reception (such as processors, modulators, multiplexers). , Demodulator, demultiplexer or antenna, etc.). Therefore, multi-antenna technology can be used to communicate between the access network device and the terminal device.

Optionally, the wireless communication system 100 may also include other network entities such as a network controller and a mobility management entity, and the embodiment of the present application is not limited thereto.

In order to facilitate the understanding of the embodiments of the present application, first, a brief description of the terms involved in the present application is given.

1. The RRC idle state: it can also be referred to as the idle state for short. It is a state of terminal equipment, which is defined in the NR and LTE protocols. There is no RRC connection between the terminal device in the idle state and the access network device, so that the effect of power saving can be achieved. However, the terminal device does not save the context (for example, UE context) in the access network device, that is, the access network device does not know whether the terminal device exists. The terminal device has been assigned a unique identifier in the tracking area (TA) where it is located. In addition, the terminal device has been registered in the core network and has a context in the core network. However, there is no non-access stratum (NAS) signaling connection between the terminal equipment and the core network equipment.

2. RRC inactive state: another state of terminal equipment, which is defined in the NR protocol. The deactivated state can also be called the RRC deactivated state, the RRC deactivated state, or simply the deactivated state, the deactivated state, etc. The RRC connection is disconnected between the terminal device in the inactive state and the access network device. The difference is that the access network device can save the context of the terminal device in the inactive state (for example, UE context).

In an implementation manner, the access network device can configure the terminal device to enter the inactive state through the RRC message. For example, the access network device may configure the terminal device to enter the inactive state through the RRC message used to release the RRC connection. The foregoing message for releasing the RRC connection may be, for example, an RRC release (RRC release) message.

The RRC release message may indicate that the terminal device enters an idle state or an inactive state. For example, the RRC release message may include an information element (IE) to indicate whether the terminal device enters an idle state or an inactive state. For example, the cell may be "suspendconfig". When the RRC release message contains this cell, it indicates that the terminal device enters the inactive state; when the RRC release message does not contain the cell, it indicates the terminal device enters the idle state.

It should be noted that in LTE, there is also a state similar to the inactive state, which is called the light connection state. The RRC message used to configure the terminal device to enter the light connection state may be, for example, an RRC connection release (RRC connection release) message.

Hereinafter, for convenience of description, the states of the terminal devices with the above characteristics are collectively referred to as the inactive state to distinguish them from the RRC idle state and the RRC connected state.

It should be understood that the states of these terminal devices are only named for easy distinction, and should not constitute any limitation in this application. This application does not exclude the definition of other possible names in future agreements to replace existing names, but with the same or similar characteristics. For example, the light connection state is replaced by the inactive state.

3. Early measurement: In order to quickly configure CA or DC for the terminal equipment that accesses the network, the terminal equipment in the non-connected state can be measured earlier. Therefore, this kind of measurement can be called an early measurement (EM). Specifically, the access network device may send a measurement configuration to the terminal device, and the measurement configuration may include one or more parameters for measurement. The terminal device can measure and save the measurement results according to the parameters in the early measurement configuration. Corresponding to the early measurement, the measurement configuration may be referred to as an early measurement configuration (EMC). The early measurement in the NR protocol can also be embodied as inactive measurement configuration (measInactiveConfig) or idle measurement configuration (measIdleConfig). For example, the access network device may configure parameters for measurement in the cell measInactiveConfig or measIdleConfig, for example.

It should be understood that the names listed above are merely exemplary names for easy distinction, and should not constitute any limitation to this application. This application does not exclude the possibility of defining other names to express the same or similar meanings in future agreements.

In fact, early measurement and early measurement configuration are named for distinguishing the measurement and measurement configuration of the terminal equipment in the RRC connection state. Since this application does not involve the measurement and measurement configuration of the terminal device in the RRC connected state, there is no need to distinguish it from the measurement and measurement configuration in the RRC connected state through early measurement and early measurement configuration. The measurement involved in the following is the aforementioned early measurement, and the measurement configuration is the aforementioned early measurement configuration.

It should be understood that the names listed above are only for easy distinction and should not constitute any limitation to this application. This application does not exclude the possibility of defining other possible names in future agreements to replace the names listed above, but with the same or similar characteristics.

The measurement configuration may include measurement targets. The measurement target may be indicated in the form of frequency point and/or cell identification, for example. The cell identifier may include at least one of a cell global identifier (CGI), a physical cell identifier (PCI), and a cell identifier (cell identifier).

Specifically, the measurement target may include only frequency points to indicate that a certain frequency point is measured; the measurement target may also include frequency points and cell identifiers, and the frequency points and cell identifiers (such as PCI) may be used to indicate the frequency point. Tap a certain cell to measure. When the cell identifier is a CGI, a cell can be uniquely determined, and the measurement target can also include only the cell identifier to indicate the measurement of a certain cell.

The measurement configuration may include the synchronization signal/physical broadcasting channel block (SS/PBCH block) corresponding to the measurement target and measurement time configuration (SS/PBCH block measurement timing configuration, SMTC). For example, the SMTC may be Including one or more of the period, length, and offset for the terminal device to receive the SS/PBCH block. Therefore, the terminal device can receive the SS/PBCH block according to the SMTC. Among them, the SS/PBCH block can sometimes be called synchronization Signal block (synchronization signal block, SSB).

The measurement configuration may include measurement valid time, for example. The measurement valid time can be used to indicate the length of time the terminal device needs to perform the measurement. After receiving the measurement configuration, the terminal device may start a timer, and the running time of the timer may be the effective time of the measurement. When the timer stops or expires, the terminal device can stop performing measurements based on the parameters in the measurement configuration.

The measurement configuration may further include a measurement effective area, for example. The effective measurement area may be shown in the form of cell identification and/or area identification, for example. Wherein, the cell identity may be CGI, for example. The area identification may be, for example, a tracking area code (TAC) and/or a radio access network area code (RAN area code, RANAC). When the terminal device moves outside the effective measurement area, the terminal device can stop the measurement based on the parameters in the measurement configuration.

For example, suppose that the terminal device can obtain the effective measurement time and effective area of the measurement. When the timer is running, if the terminal device moves outside the effective measurement area, the terminal device can stop the timer and stop the measurement based on the parameters in the measurement configuration.

It should be understood that the parameters included in the measurement configuration listed above are only examples and should not constitute any limitation to the application. The measurement configuration may include one or more parameters of the measurement effective time, the measurement target, the SMTC corresponding to the measurement target, and the measurement effective area, and may also include other more parameters. For the sake of brevity, they are not listed here.

It should be noted that the above measurement configuration is a general reference. The parameters included in the foregoing measurement configuration may refer to the parameters included in the same measurement configuration, or may refer to the parameters included in different measurement configurations. That is, the specific parameters of the foregoing measurement configuration may be indicated in the same measurement configuration, or may be indicated in different measurement configurations, which is not limited in the embodiment of the present application. For example, the measurement target may be indicated in the measurement configuration carried in the system message, and the measurement effective time may be indicated in the measurement configuration carried in the RRC message (eg, RRC release message or RRC connection release message).

It should also be noted that when the terminal device receives the measurement configuration in the RRC message and the measurement configuration in the system message, it may preferentially use the measurement configuration in the RRC message. Compared with system messages, this RRC message can be referred to as dedicated signaling for sending measurement configuration. In other words, the terminal device can preferentially use the parameters used for measurement acquired from the RRC message. When the parameter configured in the RRC message is missing, for example, the RRC message does not contain a parameter used for measurement (such as a measurement target), that is, the dedicated signaling is not configured with a measurement target, and the terminal device can send a message from the system Obtain the missing parameter, such as the above measurement target.

Based on the measurement, the terminal device can obtain the measurement result of the measurement target. The terminal device initiates an access request from the idle or inactive state, such as sending RRC setup request (RRC setup request), RRC resume (RRC resume request), RRC connection setup request (RRC connection setup request), RRC connection recovery (RRC connection) When any item in the resume request) and other messages, the measurement result can be reported. For example, after the terminal device is connected to the network, for example, the terminal device receives an RRC setup (RRC setup) message, an RRC resume (RRC resume) message, an RRC connection setup (RRC connection setup) message, or an RRC connection from the access network device. After any one of the (RRC connection resume) messages, etc., the measurement result is reported. The measurement result may include, for example, a cell identity and/or frequency point. Further, the measurement result may include the signal quality of the cell. The measurement result may also include a beam identifier, such as an SSB index (index), or the beam identifier and the signal quality corresponding to the beam.

The signal quality may include, for example, received signal code power (RSCP), reference signal receiving power (RSRP), reference signal receiving quality (RSRQ), and signal-to-noise ratio (RSRP). At least one of signal noise ratio (SNR), signal to interference plus noise ratio (SINR), reference signal strength indication (RSSI), or other signal quality. The signal quality may be, for example, cell level, beam level, SS/PBCH block level, parameter set (numerology) level, slicing level, or bandwidth part (BWP) level. The signal quality can be measured, for example, by measuring channel-state information (CSI) reference signal (CSI-RS), demodulation reference signal (demodulation reference signal, DMRS), and cell-specific reference signal (cell-specific reference signal, CRS). ) At least one of a signal, a synchronization signal (synchronization signal, SS), an SS/PBCH block, or other downlink signals. This application does not limit the related parameters used to indicate signal quality and the signal used to obtain signal quality.

4. Source access network equipment and target access network equipment: The source access network equipment may also be called an anchor access network equipment, such as a source base station, an anchor base station, etc. The source access network device can be understood as an access network device that stores the context of the terminal device, and/or an access network device that configures the terminal device to enter an inactive state. The source access network device can also configure parameters for measurement for the terminal device, that is, the parameters in the early measurement configuration described above.

The target access network device may also be called a new access network device, such as a target base station, a new base station, and so on.

Due to the mobility of the terminal device, the next time the terminal device initiates a service request to the network, it may be located within the coverage of the target access network device. The terminal device can initiate a service request to the target access network device. The target access network device may request the source access network device to obtain the context of the terminal device. If the target access network device obtains the context of the terminal device from the source access network device, the target access network device becomes the new source access network device; if the target access network device does not obtain the context from the source access network device The context of the terminal device. When the source access network device sends a signaling to the terminal device to the target access network device, such as an RRC release message or an RRC connection release message, the target access network device can forward the source access network The signaling of the device is to the terminal device. In this case, the source access network device of the terminal device has not changed. The source access network device can configure the terminal device to enter the inactive state or the idle state through the above-mentioned signaling, and can also configure the terminal device with new measurement parameters through the above-mentioned signaling. Although from the perspective of the terminal device, these signalings are received from the target access network device, but in fact, these signalings are generated by the source access network device and forwarded to the terminal device via the target access network device.

For ease of understanding, the source access network device and the target access network device are described below with reference to the system shown in FIG. 1 as an example. Assume that the access network device 110 is originally the source access network device of the terminal device 130. When the terminal device 130 moves into the coverage area of the access network device 120 and sends a service request to the access network device 120, the access network device 120 becomes the target access network device of the terminal device 130. The access network device 120 may request the access network device 110 to obtain the context of the terminal device 130. If the access network device 120 obtains the context of the terminal device 130, the access network device 120 becomes the new source access network device of the terminal device 130; if the access network device 120 does not obtain the terminal device 130's context Context, the access network device 110 is still the source access network device of the terminal device 130.

In the embodiment of the present application, the source access network device and the target access network device may be different access network devices. For example, the source access network device and the target access network device are different base stations, such as the NB, eNB, gNB, TRP, etc. described above.

As mentioned earlier, in some possible deployments, gNB may include CU and DU. Under this deployment, the source access network device and the target access network device are different access network devices, which may specifically refer to that the source access network device and the target access network device are different CUs.

It should be understood that both the source access network device and the target access network device are relative to the terminal device, and any one of the access network devices can be used as the source access network device or the target access network device of the terminal device. For example, an access network device can serve as the source access network device of one terminal device, and can also serve as the target access network device of another terminal device at the same time. This application does not limit this.

When the target access network device becomes the new source access network device, the terminal device may be configured with a new configuration for measurement. Due to the high mobility of the terminal equipment, the terminal equipment may move between multiple cells. This configuration may occur frequently, which brings a large signaling overhead.

In view of this, this application provides a communication method to reduce the signaling overhead caused by the measurement configuration.

To facilitate the understanding of the embodiments of the present application, before introducing the embodiments of the present application, the following descriptions are made.

First, the first measurement configuration, the second measurement configuration, and the third measurement configuration described in the embodiments of the present application all refer to the measurement configuration sent by the access network device through dedicated signaling. For example, measurement configuration sent through RRC messages (such as RRC release messages or RRC connection release messages, etc.).

When the terminal device is in the coverage area of a certain access network device, for example, when it is in a cell under a certain access network device, the parameters used for measurement can be obtained through system messages. However, it should be noted that the priority of parameters configured through dedicated signaling is higher than that of parameters configured through system messages. When a parameter X for measurement is not configured in the dedicated signaling, the terminal device can use the corresponding parameter X in the system message to perform measurement.

Second, in the embodiments of the present application, "used to indicate" may include used for direct indication and used for indirect indication, and may also include explicit indication and implicit indication. The information indicated by a certain piece of information is called information to be indicated. In the specific implementation process, there are many ways to indicate the information to be indicated. For example, but not limited to, the information to be indicated can be directly indicated, such as the information to be indicated or the information to be indicated. Index of the information to be indicated, etc. The information to be indicated can also be indicated indirectly by indicating other information, where there is an association relationship between the other information and the information to be indicated. It is also possible to indicate only a part of the information to be indicated, and other parts of the information to be indicated are known or agreed in advance. For example, it is also possible to use a pre-arranged (for example, protocol stipulation) whether there is a certain cell to indicate the information to be indicated, thereby reducing the indication overhead to a certain extent.

Third, in the embodiments shown below, the first, second, and various numerical numbers are only for easy distinction for description, and are not used to limit the scope of the embodiments of the present application. For example, distinguish different measurement configurations, different fields, and so on.

Fourth, "pre-defined" or "pre-configured" can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in the equipment (for example, including terminal equipment and access network equipment). There is no limitation on its specific implementation. Wherein, "saving" may refer to saving in one or more memories. The one or more memories may be provided separately, or integrated in an encoder or decoder, a processor, or a communication device. The one or more memories may also be partly provided separately, and partly integrated in the decoder, processor, or communication device. The type of the memory may be any form of storage medium, which is not limited in this application.

Fifth, the “protocols” involved in the embodiments of the present application may refer to standard protocols in the communication field, for example, may include LTE protocol, NR protocol, and related protocols applied to future communication systems, which are not limited in this application.

Sixth, "at least one" refers to one or more, and "multiple" refers to two or more. "And/or" describes the association relationship of the associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, both A and B exist, and B exists alone, where A, B can be singular or plural. The character "/" generally indicates that the associated objects are in an "or" relationship. "The following at least one item (a)" or similar expressions refers to any combination of these items, including any combination of a single item (a) or plural items (a). For example, at least one of a, b, and c can mean: a, or, b, or, c, or, a and b, or, a and c, or, b and c, or, a , B, and c. Wherein, a, b, and c can be single or multiple.

Seventh, in the embodiments of this application, descriptions such as "when", "in the case of...", "if" and "if" all refer to the equipment under certain objective circumstances (for example, as described below) The terminal equipment or the access network equipment) will make corresponding processing, which is not a time limit, and does not require the equipment (such as the terminal equipment or the access network equipment described below) to have a judgment action during implementation , Does not mean that there are other restrictions.

The method provided by the embodiment of the present application will be described in detail below with reference to the drawings.

It should be understood that the following is only for ease of understanding and description, and the interaction between the terminal device, the first access network device, and the second access network device is taken as an example to describe in detail the method provided in the embodiment of the present application. However, this should not constitute any limitation on the execution subject of the method provided in this application. The execution subject for executing the method provided in the embodiment of the present application only needs to be able to communicate in accordance with the method provided in the embodiment of the present application by running a program that records the code of the method provided in the embodiment of the present application. For example, the execution subject of the method provided in the embodiments of the present application may be a terminal device or an access network device, or it may be a functional module in the terminal device or the access network device that can call and execute the program, for example, configured for Components of terminal equipment (such as chips or circuits), components (such as chips or circuits) configured to access network equipment, etc.

It should also be understood that in this embodiment of the application, the terminal device and/or the access network device can perform some or all of the steps in the embodiment of the application. These steps or operations are only examples, and the embodiments of the application can also perform other operations or Variations of various operations. In addition, each step may be executed in a different order presented in the embodiment of the present application, and it may not be necessary to perform all the operations in the embodiment of the present application.

FIG. 2 is a schematic flowchart of a communication method 200 according to an embodiment of the present application. As shown in FIG. 2, the method 200 may include step 201 to step 215. The steps in the method 200 are described in detail below.

In step 201, the first access network device sends a first message, the first message is used to instruct the terminal device to enter the inactive state, and the first message includes the first measurement configuration. Correspondingly, the terminal device receives the first message in step 201.

In the embodiments of the present application, for ease of distinction and description, the source access network device of the terminal device is recorded as the first access network device. The measurement parameters configured by the first access network device for the terminal device are recorded as the first measurement configuration. The first measurement configuration includes parameters for the terminal device to perform measurement in the inactive state.

Optionally, the first message may be a message for releasing the RRC connection. In NR, the RRC message may be, for example, an RRC release (RRC release) message. In LTE, the RRC message may be, for example, an RRC connection release (RRC connection release) message.

It should be understood that the specific name of the first message listed here is only an example, and should not constitute any limitation to this application. This application does not exclude the possibility of defining other messages to achieve the same or similar functions in the future.

Of course, the first message may also be other messages that can be used to instruct the terminal device to enter the inactive state. This application does not limit this.

In step 202, the terminal device enters the inactive state according to the first message, and performs measurement based on the parameters in the first measurement configuration.

The terminal device performs measurement based on the parameters in the first measurement configuration, which may include: the terminal device performs measurement only based on the parameters in the first measurement configuration, or the terminal device performs measurement based on the parameters in the first measurement configuration and the measurement configuration carried in the system message Measure the parameters in.

Specifically, as mentioned above, when the parameters included in the first measurement configuration configured by the first access network device for the terminal device are missing, the terminal device can obtain information from the system information of the cell covered by the first access network device. Get missing parameters in. In this case, the terminal device performs measurement based on the parameters in the first measurement configuration, which may specifically include: the terminal device performs measurement based on the parameters in the first measurement configuration and the parameters in the measurement configuration carried in the system message.

Of course, in some cases, the parameters in the first measurement configuration configured by the first access network device for the terminal device are not missing, and the terminal device may no longer obtain other parameters from the system message. In this case, the terminal device may only perform measurement based on the parameters in the first measurement configuration.

After receiving the first message, the terminal device may suspend the RRC connection with the first access network device and enter the inactive state.

The terminal device that enters the inactive state can perform measurement based on the parameters in the first measurement configuration. As mentioned above, the first measurement configuration includes the measurement effective time, the terminal device may start a timer after receiving the first message, and the running time of the timer may be the measurement effective time. In a possible implementation manner, the terminal device may enter the inactive state after receiving the first message. The terminal device entering the inactive state can start the timer based on the first measurement configuration; or the terminal device can also start the timer based on the first measurement configuration while entering the inactive state; or, the terminal device can also start the timer based on the first measurement configuration. The first measurement configuration starts the timer and then enters the inactive state. This application does not limit this.

In the embodiment of the present application, within the running time of the timer, if the terminal device moves out of the effective measurement area, the terminal device no longer performs the measurement. At the same time, the terminal device can pause the timer or continue to run the timer. This application does not limit this.

If the terminal device suspends the timer, when the terminal device moves from outside the measurement effective area to the measurement effective area, the terminal device can restart the timer or continue to run the timer, which is not limited by the application. After the terminal device restarts or continues to run the timer, it can continue to measure according to the parameters of the first measurement configuration. It can be understood that if the terminal device restarts the timer, the running time of the timer can be the measurement valid time in the first measurement configuration; if the terminal device continues to run the timer, the running time of the timer can be the remaining measurement valid time.

If the terminal device continues to run the timer, when the terminal device moves from outside the measurement effective area to the measurement effective area before the timer expires, the terminal device can continue to perform measurement.

If the first measurement configuration is not configured with a measurement effective time, the terminal device may also start a timer to record the duration of measurement based on the parameters in the first measurement configuration. Alternatively, the terminal device may not start the timer. This application does not limit this.

Due to the mobility of the terminal device, the next time a service request is initiated, the terminal device may move within the coverage area of another access network device. For ease of distinction and description, the other access network device is recorded as the second access network device. In the embodiment of the present application, the second access network device is the target access network device of the terminal device.

The terminal device may perform step 203 to send a request for restoring the RRC connection to the second access network device. Correspondingly, the second access network device receives a request for restoring the RRC connection in step 203.

In NR, the request for resuming the RRC connection may be, for example, an RRC resume request (RRC resume request). In LTE, the request for restoring the RRC connection may be, for example, an RRC connection resume request (RRC connection resume request).

It should be understood that the specific signaling used to restore the RRC connection request listed above is only an example, and should not constitute any limitation to this application. This application does not exclude the possibility of defining other messages in future agreements to achieve the same or similar functions.

In step 204, the second access network device sends a second message, which is used to instruct the terminal device to enter an inactive state or an idle state. Correspondingly, the terminal device receives the second message, and in step 205, enters the inactive state or the idle state according to the second message.

The second message may be a message sent by the second access network device to the terminal device in response to the request for restoring the RRC connection sent by the terminal device; or after the terminal device enters the RRC connection state, the second The access network device configures the terminal device to enter the inactive state or idle state and sends a message to the terminal device. This application is not limited.

For example, after receiving the request for restoring the RRC connection sent by the terminal device, the second access network device may configure the terminal device to enter the RRC connection state. For example, the second access network device may send a message for responding to the RRC recovery request to the terminal device. Thus, the terminal device can enter the RRC connected state and communicate with the second access network device.

In the subsequent period of time, if the terminal device does not perform any services, the second access network device can configure the terminal device to enter an idle state or an inactive state through the second message.

For another example, after receiving the request for restoring the RRC connection sent by the terminal device, the second access network device may also configure the terminal device to remain in an inactive state or enter an idle state. For example, the second access network device may generate a second message after acquiring the context of the terminal device, and send the second message to the terminal device. Alternatively, the second access network device may receive the second message sent by the first access network device, and forward the second message to the terminal device. The terminal device remains in the inactive state or enters the idle state. Therefore, step 205 can also be replaced by keeping in an inactive state or an idle state according to the second message. This application does not limit this.

Optionally, the second message may be a message for releasing the RRC connection.

For example, in NR, the second message may be an RRC release message. In LTE, the second message may be, for example, an RRC connection release message.

It should be understood that the specific name of the second message listed here is only an example, and should not constitute any limitation to this application. This application does not exclude the possibility of defining other messages in future agreements to achieve the same or similar functions. For example, the second message may also be an RRC resume (RRC resume) message in NR or an RRC connection resume (RRC connection resume) message in LTE.

Of course, the second message may also be another message that can be used to instruct the terminal device to enter the inactive state or the idle state. This application does not limit this.

The terminal device can determine whether to enter the inactive state or the idle state according to the fields in the second message. The specific process for the terminal device to enter the inactive state or the idle state according to the second message can refer to the prior art, and an example of how to determine whether to enter the inactive state or the idle state has been described above. For the sake of brevity, it will not be repeated here. .

In step 206, the terminal device determines, according to the second message, whether to perform measurement based on at least part of the parameters in the first measurement configuration.

In the embodiment of the present application, the second message can be used for the terminal device to determine whether to perform measurement based on at least part of the parameters in the first measurement configuration, or in other words, the second message can be used for the terminal device to determine whether the measurement is based on the first measurement configuration. At least part of the parameters in the measurement configuration are determined for measurement. In other words, even if the terminal device enters the coverage area of the second access network device, the terminal device may still continue to perform measurement based on some or all of the parameters in the first measurement configuration. This depends on the indication of the second message.

Based on the second message, the terminal device can execute one or more of the following lists:

a) Determine the measurement based on the parameters in the first measurement configuration;

b) Determine the measurement based on the parameters in the first measurement configuration and the parameters in the new measurement configuration from the second access network device (for the convenience of distinction and description, it is recorded as the third measurement configuration);

c) Determine to measure based on the parameters in the second measurement configuration; and

d) Determine not to perform measurement.

Wherein, the terminal device performs a) and determines to perform measurement based on the parameters in the first measurement configuration. It can be understood that the second access network device does not send a dedicated measurement configuration. It should be noted that the determination of the terminal device to perform measurement based on the parameters in the first measurement configuration does not mean that the terminal device continues measurement based only on the parameters in the first measurement configuration. As mentioned above, when the parameters in the first measurement configuration are missing, the terminal device may further perform measurement in combination with the parameters in the measurement configuration carried in the system message sent by the second access network device. In other words, if the terminal device performs a), the terminal device can determine to perform measurement based on all parameters in the first measurement configuration, or the terminal device can also determine that all parameters based on the first measurement configuration are sent by the second access network device. Measure the parameters in the measurement configuration in the system message.

The terminal device executes b) and determines to perform measurement based on the parameters in the first measurement configuration and the parameters in the third measurement configuration. It can be considered that the terminal device obtains the third measurement configuration sent by the second access network device from the second message . The terminal device performs measurement based on the parameters in the first measurement configuration and the parameters in the third measurement configuration. Specifically, it may mean that the terminal device performs delta configuration based on some or all of the parameters in the first measurement configuration and the parameters in the third measurement configuration. , And can be measured based on the parameters obtained after delta configuration. The parameters obtained after performing the delta configuration may include some or all of the parameters in the first measurement configuration. This application does not limit this.

Among them, performing delta configuration based on the parameters in the two measurement configurations can be understood as taking the union of the parameters in the two configurations. For example, the parameters in the first measurement configuration are represented as set 1, and the parameters in the third measurement configuration are represented as set 2. If the delta configuration is performed based on the parameters in the first measurement configuration and the parameters in the third measurement configuration, the delta configuration The obtained parameters are at least part of the parameters in set 1 and all the parameters in set 2. In other words, the parameters obtained by the delta configuration may be at least some of the parameters in the first measurement configuration and all the parameters in the third measurement configuration.

The reason why the parameters obtained by delta configuration are at least some of the parameters in the first measurement configuration and all the parameters in the third measurement configuration is because the parameters in the two configurations (ie, the first measurement configuration and the third measurement configuration) conflict In the case of, the parameters in the third measurement configuration shall prevail. For example, in the first measurement configuration, the period of the SS/PBCH block indicated by the SMTC of the target frequency F1 is 10ms, and the period of the SS/PBCH block indicated by the SMTC of the target frequency F1 in the third measurement configuration is 20ms, then the terminal device executes The parameter obtained by the delta configuration is that the period of the SS/PBCH block indicated by the SMTC of the target frequency F1 in the third measurement configuration is 20 ms.

Several examples of performing delta configuration are given below.

Assuming that the parameters in the first measurement configuration received by the terminal device from the first access network device include the target frequency {F2, F3}, the parameters in the third measurement configuration received by the terminal device from the second access network device include Target frequency{F1}. If the delta configuration is performed based on all the parameters in the first measurement configuration and all the parameters in the third measurement configuration, the parameters obtained after performing the delta configuration may include the target frequency {F1, F2, F3}.

Assuming that the parameters in the first measurement configuration received by the terminal device from the first access network device include the target frequency {F2/SMTC2, F3/SMTC3}, the third measurement configuration received by the terminal device from the second access network device The parameters in include target frequency {F1/SMTC1', F2/SMTC2'}. If the delta configuration is performed based on all the parameters in the first measurement configuration and all the parameters in the third measurement configuration, the parameters obtained after performing the delta configuration can include the target frequency {F1/SMTC1', F2/SMTC2', F3/SMTC3 }.

Assuming that the parameters in the first measurement configuration received by the terminal device from the first access network device include measurement valid time {T1}, the parameters in the third measurement configuration received by the terminal device from the second access network device do not include measurement Effective time, the parameters obtained after performing delta configuration can include measurement effective time {T1}.

Assuming that the parameters in the first measurement configuration received by the terminal device from the first access network device include the measurement effective area, and the parameters in the third measurement configuration received by the terminal device from the target access network do not include the measurement effective area, execute delta The parameters obtained after configuration may include the effective measurement area in the first measurement configuration.

Assuming that the parameters in the first measurement configuration received by the terminal device from the first access network device include the measurement effective area {A1, A2}, the parameters in the third measurement configuration received by the terminal device from the second access network device include Measure the effective area {A3}. If the terminal device performs delta configuration based on all the parameters in the first measurement configuration and all the parameters in the third measurement configuration, the parameters obtained after performing the delta configuration may include the measurement effective area {A1, A2, A3}.

The above uses a few examples to describe in detail the parameters obtained after performing delta configuration according to the parameters in the first measurement configuration and the parameters in the third measurement configuration. These examples are merely illustrative for ease of understanding, and should not constitute any limitation to this application.

The third measurement configuration includes additional parameters for the terminal device to perform measurement. The addition mentioned here may be, for example, an addition to the measurement, an addition to a parameter, or a combination of the two. For example, the target frequency point F1 in the above example belongs to the third measurement configuration. The target frequency F1 is an additional measurement to the measurement of the existing target frequency {F2, F3}. That is to say, the terminal equipment has increased the measurement of the target frequency point F1. For another example, the effective measurement area A3 in the above example belongs to the third measurement configuration. The effective measurement area A3 is an addition to the existing measurement effective area {A1, A2} in the measurement parameters.

It should be understood that whether it is the addition of the measurement or the addition of the parameter, it is all indicated by the parameter in the third measurement configuration. Therefore, in the embodiments of the present application, the parameters indicated for addition to the measurement and/or the parameters indicated for addition to the parameter are all defined as additional for terminal equipment included in the third measurement configuration. The parameter to be measured.

As can be seen from the above description, if the terminal device performs b), the terminal device can perform measurement based on some or all of the parameters in the first measurement configuration, and perform measurement based on the parameters in the third measurement configuration. Therefore, b) can also be expressed as the measurement based on some or all of the parameters in the first measurement configuration and the parameters in the third measurement configuration.

It is understandable that when the parameters obtained after performing delta configuration based on the parameters in the first measurement configuration and the parameters in the third measurement configuration are still missing, the terminal device may further combine with the system sent by the second access network device The parameters in the measurement configuration carried in the message are measured. In other words, if the terminal device performs b), the terminal device can perform measurement based on the parameters in the first measurement configuration, the parameters in the third measurement configuration, and the parameters in the measurement configuration in the system message sent by the second access network device. .

The terminal device executes c) and determines to perform measurement based on the parameters in the second measurement configuration. It can be understood that the terminal device can obtain the second measurement configuration sent by the second access network device from the second message. The terminal device performs measurement based on the parameters in the second measurement configuration, and may perform measurement based on all the parameters in the second measurement configuration, regardless of other measurement configurations, such as the above-mentioned first measurement configuration. In other words, c) can also be expressed as not performing measurement based on the parameters in the first measurement configuration.

It is understandable that when the parameter in the second measurement configuration is missing, the terminal device may further perform measurement in combination with the parameter in the measurement configuration carried in the system message sent by the second access network device. In other words, if the terminal device executes c), the terminal device can perform measurement based on the parameters in the second measurement configuration and the parameters in the measurement configuration in the system message sent by the second access network device. Therefore, after receiving the second measurement configuration from the second access network device, the terminal device can directly delete the first measurement configuration. That is, the terminal device does not need to perform delta configuration. The terminal device can directly perform measurement based on all the parameters in the second measurement configuration.

The terminal device executes d) and determines not to perform measurement. Since the terminal device does not perform measurement, that is, it does not perform measurement based on any measurement configuration. In the embodiments of this application, it can be understood that the terminal device does not perform measurement based on the parameters in the first measurement configuration, and at the same time, the second access network device is not configured with new measurement parameters by the terminal device, as described above The second measurement configuration or the third measurement configuration.

The terminal device may also execute multiple items of a), b), c) or d) based on the second message. For example, the terminal device may execute b) or c) after executing a), or the terminal device may execute b) and c) in sequence after executing a). This application does not limit this.

As mentioned above, the terminal device can perform one of a), b), c) or d) according to the instruction of the second access network device. The second access network device may indicate whether the terminal device performs measurement based on at least some parameters in the first measurement configuration through some fields in the second message.

It should be noted that, in order to facilitate understanding, the operations that may be performed by the terminal device are distinguished and described by a), b), c), and d), but this should not constitute any limitation to this application. Although the above lists four possible operations a), b), c), and d), it does not mean that the agreement defines these four operations. The protocol may only define one or more of a), b), c), and d) for the behavior of the terminal device. This application does not limit this. When the protocol defines two or more of a), b), c), and d) for the behavior of the terminal device, the terminal device can determine which one of them to execute according to the instruction of the second message. For example, the behavior of the terminal device by the protocol can only define a) and b), and the terminal device can execute a) or b) according to the instructions of the second message; for another example, the behavior of the terminal device by the protocol can only define a) and c). , The terminal device can execute a) and c) according to the instructions of the second message; for another example, the protocol only defines a) and d) for the behavior of the terminal device, and the terminal device can execute a) or d) according to the instructions of the second message. ; For another example, the protocol only defines a), c) and d) for the behavior of the terminal device, and the terminal device can execute a), c) or d) according to the instructions of the second message. For the sake of brevity, I will not list them all here.

It is understandable that when the terminal device performs a) listed above, it is measured based on all the parameters in the first measurement configuration; when the terminal device performs b) listed above, it is based on part or the part of the first measurement configuration. All parameters are measured; when the terminal device performs c) or d) listed above, the measurement is not performed based on the parameters in the first measurement configuration. Therefore, when the terminal device determines which of the above a), b), c) and d) is to be performed, it also determines whether to perform measurement based on at least some of the parameters in the first measurement configuration.

In the embodiment of the present application, the second access network device's indication of whether to perform measurement based on at least part of the parameters in the first measurement configuration may be, for example, an explicit indication or an implicit indication, which is not provided in this application. limited.

The following describes in detail how the second access network device uses a second message to indicate whether to perform measurement based on at least part of the parameters in the first measurement configuration, and how the terminal device determines whether or not according to the second message. The measurement is performed based on at least some of the parameters in the first measurement configuration.

For ease of understanding, the following description is first made: the second access network device can carry different information through different fields in the second message. To facilitate distinction and description, the first to fourth fields are introduced below. Wherein, the first field includes information for indicating whether to perform measurement based on at least part of the parameters in the first measurement configuration, the second field is used to carry the second measurement configuration, the third field is used to carry the third measurement configuration, and the fourth field Include information for indicating whether to restart the timer or whether to continue running the timer. It should be understood that the above-mentioned first to fourth fields may be different information elements in the second message, for example, may be information elements with different names in the second message, or may be carried in different positions in the second message. This application does not limit this. The first to fourth fields listed here are only named for easy distinction, and should not constitute any limitation to this application.

In addition, the second message sent by the second access network device does not necessarily include all the fields from the first field to the fourth field. The first to fourth fields may be optional (optional) fields, and the second access network device may carry different fields in the second message as needed and send it to the terminal device. For example, if the second access network device is configured with the second measurement configuration, the field used to carry the second measurement configuration may be carried in the second message, otherwise the field is not included in the second message. However, it should be understood that this should not constitute any limitation to this application. For example, the second message may also include all fields, but some fields are empty, that is, no information is carried.

In the first implementation manner, the second message includes information for indicating whether to perform measurement based on at least part of the parameters in the first measurement configuration. For example, the second message may include a special indication field, and the indication field may indicate whether to perform measurement based on at least part of the parameters in the first measurement configuration. For the convenience of distinction and description, the indication field is recorded as the first field, for example. In other words, the first field includes an indication bit that indicates whether to perform measurement based on at least part of the parameters in the first measurement configuration.

For example, the protocol's definition of terminal device behavior includes at least a and d) listed above. The first field may include an indication bit to indicate whether to perform measurement based on the parameters in the first measurement configuration. That is, the 1 indication bit can be used to instruct the terminal device to perform a) or d). As an example, the second message includes the first field, but the second message does not include the second field, the third field, and the fourth field. Then, when the value of the indicator bit is "TRUE" or "1", the terminal device determines to perform a), that is, to perform measurement based on all the parameters in the first measurement configuration; when the value of the indicator bit is "FALSE" or When "0", the terminal device determines to perform d). Since the terminal device determines not to perform measurement, that is, determines not to perform measurement based on any measurement configuration, the terminal device also determines not to perform measurement based on the parameters in the first measurement configuration.

For another example, the protocol definition of the behavior of the terminal device may at least include a) and d) listed above. The second message may indicate whether to perform measurement based on at least part of the parameters in the first measurement configuration by including the first field. For example, when the second message includes the first field, or when the first field exists, the terminal device determines to perform a); when the second message does not include the first field, or in other words, the first field does not When it exists, the terminal device determines to execute d).

In the second implementation manner, the second message includes the second measurement configuration. A certain special field may be predefined in the second message to carry the parameters in the second measurement configuration. To facilitate distinction and description, the field used to carry the parameters in the second measurement configuration is recorded as the second field. If the second field is included in the second message, it means that the second message includes the second measurement configuration.

Wherein, the second measurement configuration includes parameters for the terminal device to perform measurement. As mentioned earlier, the terminal device can perform measurement based on the parameters in the second measurement configuration, or based on the parameters in the second measurement configuration and the parameters in the measurement configuration carried in the system message sent by the second access network device. .

If the second message includes the second measurement configuration, that is, the second access network device configures a new measurement parameter for the terminal device. If the terminal device obtains the second measurement configuration parameter from the second message, it can execute c). In other words, the second measurement configuration included in the second message can be used to implicitly indicate that the terminal device does not perform measurement based on the parameters in the first measurement configuration.

As an example, the protocol definition of the behavior of the terminal device may include at least c) listed above. If the second message includes the second field, but the second message does not include the first field, the third field, and the fourth field, the terminal device can perform c).

If the terminal device determines to perform c), the terminal device may perform the measurement based on the parameters in the first measurement configuration, that is, after the timer running time started based on the first measurement configuration arrives, and then based on the second measurement configuration The terminal device can also directly interrupt the measurement based on the parameters in the first measurement configuration, that is, the timer started based on the first measurement configuration stops running, and the measurement is performed based on the parameters in the second measurement configuration. This application does not limit this. In addition, if the terminal device completes the measurement based on the parameters in the first measurement configuration, or if the terminal device interrupts the measurement based on the parameters in the first measurement configuration, the terminal device may also delete the first measurement configuration.

In the third implementation manner, the second message includes the third measurement configuration. A certain special field may be predefined in the second message to carry the parameters in the third measurement configuration. To facilitate distinction and description, the field used to carry the parameters in the third measurement configuration is recorded as the third field. If the second message includes the third field, it means that the second message includes the third measurement configuration.

Wherein, the third measurement configuration includes additional parameters for the terminal device to perform measurement. As mentioned above, the terminal device can perform measurement based on some or all of the parameters in the first measurement configuration and the parameters in the third measurement configuration, or based on some or all of the parameters in the first measurement configuration and the parameters in the third measurement configuration. The parameters and the parameters in the measurement configuration carried in the system message sent by the second access network device are measured.

If the second message includes the third measurement configuration, that is, the second access network device configures additional measurement parameters for the terminal device. If the terminal device obtains the third measurement configuration from the second message, it can perform b). In other words, the second message includes the third measurement configuration, which can be used to implicitly instruct the terminal device to perform measurement based on some or all of the parameters in the first measurement configuration.

As an example, the protocol definition of the behavior of the terminal device may at least include b) listed above. If the second message includes the third field, but the second message does not include the first field, the second field, and the fourth field, the terminal device can perform b).

In the fourth implementation manner, the second message includes information for indicating whether to restart or whether to continue to run the timer. For example, the second message may include a special indication field, and the indication field may indicate whether to restart or continue to run the timer. For the convenience of distinction and description, the indication field is recorded as the fourth field, for example. In other words, the fourth field includes an indication bit that indicates whether to restart or continue to run the timer.

For example, the protocol's definition of the behavior of the terminal device can at least include a) and d) listed above. The fourth field may include an indication bit. When the value of the indication bit is "TRUE" or "1", or when the fourth field is included in the second message, it may indicate restarting or continuing to run the timer. Implicitly indicate that the terminal device can perform a), that is, perform measurement based on the parameters in the first measurement configuration; when the indication bit is "FALSE" or "0", or the second message does not include the fourth field When the timer can be instructed not to restart or continue to run the timer, it also implicitly indicates that the terminal device can perform d). Since the terminal device determines not to perform measurement, the terminal device also determines not to be based on the first measurement configuration. Parameters are measured.

As an example, the protocol definition of the behavior of the terminal device may at least include a) and d) listed above. If the second message includes the fourth field, but the second message does not include the first field, the second field, and the third field, the terminal device may use the value of the indicator bit in the fourth field or the second message Whether to include the fourth field determines whether to perform a) or d).

It should be noted that the information indicated when the second message includes the fourth field but does not include the first field, the second field, and the third field is the same as the second message includes the first field but does not include the second field and the third field. It corresponds to the information indicated in the fourth field. Therefore, it can be considered that the second message includes the first field but does not include the second field, the third field, and the fourth field, and the second message includes the fourth field but does not include the first field, the second field, and the third field. Price. In other words, the second message includes information for indicating whether to restart or whether to continue to run the timer, but does not include the second measurement configuration, the third measurement configuration, and whether it is based on the parameters in the first measurement configuration. When at least part of the measurement information is performed, the foregoing information for indicating whether to restart or whether to continue to run the timer can be used to implicitly indicate whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration.

Therefore, in another implementation manner, if the second message does not include the first field, it may further indicate whether to perform measurement based on at least part of the parameters in the first measurement configuration by including the fourth field. For example, when the second message includes the fourth field but does not include the first field, or when the fourth field exists but the first field does not exist, the terminal device can be implicitly instructed to perform a); when the second message When the message does not include the fourth field and does not include the first field, in other words, when neither the fourth field nor the first field exists, the terminal device may be implicitly instructed to perform d).

However, it should be noted that when the second message includes information indicating whether to perform measurement based on at least part of the parameters in the first measurement configuration and whether to restart or continue to run the timer, the fourth field is only used to indicate whether Restarting or whether to continue to run the timer is not used to indicate whether to perform measurement based on at least part of the parameters in the first measurement configuration.

In addition, based on the above indication of whether to restart the timer or whether to continue to run the timer, the terminal device can perform corresponding operations. When the foregoing fourth field indicates information about restarting the timer (or continuing to run the timer), such as the indication bit "TRUE" or "1" listed above, or when the fourth field is included in the second message, the terminal The device can restart the timer (or continue to run the timer) according to the second message. When the foregoing fourth field indicates the information of not restarting the timer (or not continuing to run the timer), such as the indication bit "FALSE" or "0" listed above, or the fourth field is not included in the second message When the time, the terminal device can stop running the timer according to the second message.

In addition to the several implementation manners listed above, multiple fields can also be used in combination to indicate whether the terminal device performs measurement based on the parameters in the first measurement configuration.

For example, the second message includes the first field and the second field, and the terminal device may determine whether to execute b) according to the second field, and may further determine whether to execute a) according to the first field. For example, the value of the indication bit in the first field is "TRUE" or "1", or when the first field is included in the second message, the terminal device may first continue to perform measurement based on the parameters in the first measurement configuration, and after completion After the measurement is performed based on the parameters in the first measurement configuration, the measurement is performed based on the parameters in the second measurement configuration. For another example, the value of the indication bit in the first field is "FALSE" or "0", or when the first field is not included in the second message, the terminal device can directly suspend measurement based on the parameters in the first measurement configuration , Perform measurement based on the parameters in the second measurement configuration.

For another example, the second message includes any one of the first field, the second field, and the third field, and the fourth field. That is, when the terminal device executes a), b) or c), it can determine whether to restart the timer or continue to run the timer according to the fourth field.

It should be noted that the second message includes the second field or the third field, that is, the second access network device configures a new measurement parameter for the terminal device. The new measurement parameter configured by the second access network for the terminal device may or may not include the measurement effective time. If not included, the second message may further include a fourth field to indicate whether to perform measurement based on the effective duration of the measurement in the first measurement configuration.

For another example, the second message does not include any one of the first field to the fourth field. The terminal device may determine to execute d) according to the second message.

In some possible designs, different information elements may not be used to distinguish the second measurement configuration from the third measurement configuration in the second message. For example, the second measurement configuration or the third measurement configuration is carried through the same cell. To facilitate the distinction, the field used to carry the cell is recorded as the second field below. In other words, the second field contains the parameters used for measurement newly configured by the access network device.

In an example, the second message includes a first field and a second field. That is, the second message includes information for indicating whether to perform measurement based on at least part of the parameters in the first measurement configuration and the second measurement configuration.

If the value of the indicator bit in the first field is "TRUE" or "1", the terminal device can perform delta configuration based on some or all of the parameters in the first measurement configuration and the parameters in the second measurement configuration, and based on the configured Parameters are measured; if the value of the first field is "FALSE" or "0", the terminal device does not perform measurement based on the parameters in the first measurement configuration. On the contrary, the terminal device can perform measurement based on the parameters in the second measurement configuration.

The above examples of indication bits in the first field are only examples, and the first field may include two or more indication bits. In an example, the protocol definition of the behavior of the terminal device may include the above a), b), c), and d). The first field may instruct the terminal device to perform a), b), c), and d) by indicating different values of bits. One of b), c) or d).

For example, when the value of the first field is "00", the terminal device is instructed to perform a), that is, to perform measurement based on all parameters in the first measurement configuration. In this case, the second field and the first field are not included in the second message. Three fields. The second message may include a fourth field, and the fourth field indicates restarting the timer or continuing to run the timer. Alternatively, the fourth field may also indicate that the timer is not to be restarted or not to continue to run, and the terminal device may measure according to the measurement effective time in the measurement configuration carried in the system message sent by the second access network device.

When the value of the first field is "01", it instructs the terminal device to perform b), that is, to perform measurement based on some or all of the parameters in the first measurement configuration. In this case, the second message includes the third field.

When the value of the first field is "10", it instructs the terminal device to perform c), that is, not to perform measurement based on the parameters in the first measurement configuration, but to perform measurement based on the parameters in the second measurement configuration. In this case, the second message includes the second field. The second message may also include a fourth field, and the fourth field indicates that the timer is not to be restarted or not to continue to run.

When the value of the first field is "11", it instructs the terminal device to perform d), that is, it does not perform measurement based on the parameters in the first measurement configuration. In this case, the second message may include the second field and/or the third field, or may not include the second field and/or the third field. However, regardless of whether the second field and/or the third field are included, the terminal device does not perform measurement.

It should be noted that the second message mentioned above includes a certain field, which can specifically mean that the second message carries valid information in this field; correspondingly, the second message does not include a certain field. The field may specifically refer to that the field is not included in the second message, or that the field is included in the second message, but the field does not carry valid information.

It should be understood that, for ease of understanding, several examples in which the second message instructs the terminal device to perform different operations through different fields are shown above, but these examples should not constitute any limitation to the application. Based on the same concept, those skilled in the art can change or replace the content indicated by one or more of the above fields, and can also combine the above fields to get more instructions that can be used to instruct terminal devices to perform different operations. example of. For the sake of brevity, I will not list them all here.

It should also be understood that the meanings and operations indicated by the indicated fields listed above are only examples for ease of understanding, and should not constitute any limitation to this application. The foregoing lists several possible implementation manners in which the second access network device instructs the terminal device to perform measurement based on some parameters in the first measurement configuration. It should be understood that these implementation manners are only shown for ease of understanding, and should not constitute any limitation to this application.

Based on the second message listed above for determining whether the terminal device performs measurement based on at least some of the parameters in the first measurement configuration, the terminal device can perform step 207, and the terminal device performs the measurement based on some or all of the parameters in the first measurement configuration. To measure, or the terminal device can perform step 208, and the terminal device performs measurement based on the parameters in the second measurement configuration, or the terminal device does not perform the measurement.

The execution of step 208 by the terminal device may be performed after the measurement based on the parameters in the first measurement configuration is completed, or after the measurement based on the parameters in the first measurement configuration is interrupted. This application does not limit this.

It is understandable that, as mentioned above, the terminal device may also obtain some parameters for measurement from the system message sent by the second access network device before the measurement. Therefore, regardless of whether the terminal device performs step 207 or step 208, optionally, the terminal device may further determine the measurement configuration parameters carried in the system message sent by the second access network device before the measurement. parameter.

In addition, if the terminal device does not perform measurement, the terminal device may not perform other operations after step 205. Alternatively, the terminal device may also delete the first measurement configuration after step 205. This application does not limit this.

It should be understood that the figure only shows steps 207 and 208 as an example, but it should be understood that this does not mean that the terminal device must perform step 207 and step 208. The terminal device can selectively perform steps 207 and 208 based on the interpretation of the second message in step 206. Step 207 or step 208 is performed locally, or no measurement is performed. For ease of understanding, step 208 is shown in dotted lines in the figure.

The second message described in step 204 above may be generated by the second access network device, or obtained by the second access network device from the first access network device. As a response to the terminal device's request to resume the RRC connection in step 203, the second access network may try to obtain the context information of the terminal device from the first access network device, so as to provide services for the terminal device. Whether the second access network device generates the second message by itself may be determined based on whether the context of the terminal device is acquired.

Optionally, before step 204, the method further includes: step 209, the second access network device sends a request for acquiring the context of the terminal device. Correspondingly, in step 209, the first access network device receives the request for acquiring the context of the terminal device.

As a response to the request, the first access network device may send the context of the terminal device to the second access network device, so that the second access network device successfully obtains the context of the terminal device; The network access device may also refuse to send the context of the terminal device to the second access network device. Therefore, the second access network device fails to obtain the context of the terminal device.

The specific process for the second access network device to obtain the second message will be described below in combination with these two cases.

As an embodiment, the second access network device generates the second message by itself.

If the second access network device obtains the context of the terminal device from the first access network, it can generate the second message by itself.

Optionally, before step 205, the method 200 further includes:

Step 210: The second access network device receives the context of the terminal device. Correspondingly, the first access network device sends the context of the terminal device;

Step 211: The second access network device generates a second message based on the context of the terminal device received from the first access network device, and the second message is used to determine whether the terminal device performs based on at least part of the parameters in the first measurement configuration. Determination of measurement.

The second access network device obtains the context of the terminal device from the first access network device, and can become the new source access network device of the terminal device. The foregoing second message may be generated and sent by the second access network device based on the successful acquisition of the context of the terminal device.

As mentioned above, the second message may include the second measurement configuration or the third measurement configuration. That is, the second message may include a new measurement parameter configured by the access network device for the terminal device.

Taking the second message including the second measurement configuration as an example, in this embodiment, since the second access network device is called the new source access network device of the terminal device, a new measurement configuration can be configured for the terminal device . Therefore, the second measurement configuration may be a measurement configuration from the second access network device. Similarly, if the second message includes the third measurement configuration, the third measurement configuration may also be configured by the second access network device for the terminal device.

It should be understood that the second message is not limited to including the foregoing second measurement configuration or third measurement configuration. For the specific content contained in the second message, reference may be made to the description in step 206 of the embodiment of the present application. For brevity, details are not repeated here. Optionally, the context of the terminal device includes at least part of the parameters in the first measurement configuration. That is to say, the first access network device can send some or all of the parameters in the first measurement configuration configured to the terminal device to the second access network device, such as the measurement target, the SMTC corresponding to the measurement target, and the measurement effective area , Measuring one or more of the effective area, etc. Optionally, the context of the terminal device may also include at least part of the parameters used for measurement of the system message configuration.

Optionally, the method 200 further includes:

Step 212: The first access network device generates time information, where the time information is used to determine the duration for the terminal device to continue measurement based on the first measurement configuration;

Step 213: The first access network device sends the time information to the second access network device. Correspondingly, in step 213, the second access network device receives time information. Wherein, the duration of the terminal device continuing to perform measurement based on the first measurement configuration may specifically refer to the effective duration of the measurement in the first measurement configuration minus the remaining duration of the duration that the terminal device has performed measurement based on the first measurement configuration. In other words, the remaining running time of the timer started based on the first measurement configuration.

Specifically, the time information may specifically indicate one or more of the following:

i) The moment when the first access network device sends the first measurement configuration to the terminal device;

ii) The remaining duration determined by the first access network device based on the effective duration of the measurement in the first measurement configuration; and

iii) The elapsed time for the first measurement configuration to measure.

The second access network device may determine the length of time for the terminal device to continue measurement based on the first measurement configuration according to one or more of i), ii) and iii) listed above.

For i), when the terminal device receives the first measurement configuration from the first access network device, it will start the timer and at the same time start to measure based on the parameters in the first measurement configuration. The transmission delay between the moment when the first access network device sends the first measurement configuration to the terminal device and the moment when the terminal device receives the first measurement configuration from the first access network device is small and can be ignored. Therefore, if the time information indicates the moment when the first access network device sends the first measurement configuration to the terminal device, it is equivalent to the moment when the terminal device starts measurement based on the first measurement configuration. The second access network device may determine the running time of the timer according to the moment when the time information is received and the moment when the terminal device starts measuring based on the first measurement.

In addition, the first access network device may carry at least part of the parameters in the first measurement configuration through the context of the terminal device, for example, the effective duration of the measurement. Therefore, the second access network device can determine the length of time that the terminal device continues to perform measurement based on the first measurement configuration according to the effective measurement duration and the running duration of the timer configured in the first measurement configuration.

For ii), the first access network device may directly send the remaining time for the terminal device to continue measurement based on the first measurement configuration to the second access network device. For example, the first access network device may also time itself when sending the first measurement configuration to the terminal device. For example, when the first access network device sends the first measurement configuration, a timer may also be started, and the running duration of the timer may be the effective duration of the measurement in the first measurement configuration. The first access network device may generate the time information according to the remaining running time of the timer, so as to send the time information to the second access network device. In this case, the parameters of the first measurement configuration included in the context of the terminal device sent by the first access network device to the second access network device may not include the effective duration of the measurement.

For iii), as described in the related description of ii) above, the first access network device can start timing by itself when sending the first measurement configuration to the terminal device. For example, when the first access network device sends the first measurement configuration, a timer may also be started, and the running duration of the timer may be the effective duration of the measurement in the first measurement configuration. The first access network device may generate the time information according to the elapsed time length of the first measurement configuration (that is, the running time length of the timer), so as to send the time information to the second access network device.

As mentioned in the related description of i) above, the first access network device may carry at least part of the parameters in the first measurement configuration through the context of the terminal device, for example, the effective duration of the measurement. Therefore, the second access network device can determine the length of time that the terminal device continues to perform measurement based on the first measurement configuration according to the effective measurement duration and the running duration of the timer configured in the first measurement configuration.

It should be understood that the content of the specific indication of the time information listed above is only an example, and should not constitute any limitation to the application. This application does not limit the specific manner in which the first access network device instructs the terminal device to continue the measurement based on the first measurement configuration.

It should also be understood that the first access network device does not necessarily need to send the time information to the second access network device. For example, when the effective duration of the measurement in the first measurement configuration is infinite, and the first access network device also includes the effective duration of the measurement in the context of the terminal device sent to the second access network device, the The first access network device does not need to send the time information.

Of course, when the effective duration of the measurement in the first measurement configuration is infinite, but the first access network device includes the effective duration of the measurement in the context of the terminal device sent to the second access network device, and the first The access network device may also use the time information to indicate that the terminal device continues to perform measurement based on the first measurement configuration for infinite duration. This application does not limit this. It suffices that the second access network device can obtain information related to the length of time that the terminal device continues to perform measurement based on the first measurement configuration from the first access network device.

It should be understood that the sequence of steps shown in FIG. 2 is only an example, and should not constitute any limitation to the application. Here, step 212 and step 213 may be performed before step 210 or after step 210, for example. This application does not limit this.

In a possible design, the above-mentioned time information may also be carried in the context of the terminal device. In other words, at least part of the parameters and time information in the above-mentioned first measurement configuration may be included in the context of the terminal device and sent by the first access network device to the second access network device. That is, the context of the terminal device includes at least part of the parameters and/or time information in the first measurement configuration.

It can be understood that if the above time information is carried in the context of the terminal device, the above step 213 and step 210 can be combined into one step, and step 212 can be performed before step 210, or in other words, step 212 can be performed in the first access network device. Execute before sending the context of the terminal device to the second access network device.

Of course, the above time information may not be carried in the context of the terminal device, and the first access network device may also send it to the second access network device through additional signaling. This application does not limit this.

In this embodiment, the first access network device sends time information to the second access network device, so that the second access network device determines, according to the time information, the duration for the terminal device to continue measurement based on the first measurement configuration. The length of time that the terminal device continues to perform measurement based on the first measurement configuration, that is, the remaining time for the first measurement configuration to take effect. Once the first measurement configuration becomes invalid, the terminal device and the access network device that saved the first measurement configuration can delete the first measurement configuration respectively.

For example, if the first measurement configuration does not become invalid before the first access network device sends the context of the terminal device to the second access network device, the first access network device may carry at least part of the parameters in the first measurement configuration It is sent to the second access network device in the context of the terminal device. The second access network device that has acquired the first measurement configuration may delete the first measurement configuration after the first measurement configuration becomes invalid. Correspondingly, the terminal device may also delete the first measurement configuration after the first measurement configuration becomes invalid. As the second access network device is the new source access network device, it is unnecessary to send the first measurement configuration to the new target access network device, thereby avoiding unnecessary overhead.

Correspondingly, if the first measurement configuration becomes invalid before the first access network device sends the context of the terminal device, the first access network device can also directly delete the first measurement configuration. It is not necessary to send the first measurement configuration to the second access network device. In this case, the second access network device may reconfigure a new measurement configuration for the terminal device, such as the foregoing second measurement configuration.

As another embodiment, the second access network device obtains the second message from the first access network device, and sends the second message to the terminal device.

Optionally, before step 204, the method 200 further includes:

Step 214: The first access network device generates a second message, which is used to determine whether the terminal device performs measurement based on at least some parameters in the first measurement configuration;

Step 215: The first access network device sends the second message to the second access network device. Correspondingly, in step 215, the second access network device receives the second message from the first access network device.

In other words, the second access network device transparently transmits the second message to the terminal device.

The second access network device forwards the second message received from the first access network device to the terminal device, indicating that the second access network device has not become the new source access network device of the terminal device. In other words, the second access network device has not obtained the context of the terminal device from the first access network device.

Optionally, the second message is carried in a context acquisition failure message. Step 215 may specifically include: the first access network device sends a context acquisition failure message to the second access network device, where the context acquisition failure message carries the second message. Correspondingly, the second access network device receives the context acquisition failure message, and acquires the second message from the context acquisition failure message.

The first access network device indicates through a second message whether to perform measurement based on at least some of the parameters in the first measurement configuration, and how the terminal device determines whether based on the detailed description of at least some of the parameters in the first measurement configuration according to the second message You can refer to the description in step 206 in the embodiment of the present application, which will not be repeated here. As mentioned above, the second message may include the second measurement configuration or the third measurement configuration. That is, the second message may include a new measurement parameter configured by the first access network device for the terminal device.

Taking the second measurement configuration included in the second message as an example, in this embodiment, since the first access network device is still the source access network device of the terminal device, if a new measurement configuration is to be configured for the terminal device, It is still configured by the first access network device. Therefore, the foregoing second measurement configuration is a measurement configuration from the first access network device. Similarly, if the second message includes the third measurement configuration, the third measurement configuration may also be configured by the first access network device for the terminal device.

It should be understood that the second message is not limited to including the foregoing second measurement configuration or third measurement configuration. For the specific content contained in the second message, reference may be made to the description in step 206 of the embodiment of the present application. For brevity, details are not repeated here.

It should be noted that whether the first access network device forwards the context of the terminal device to the second access network device belongs to the internal decision of the first access network device. For example, the first access network device may send a context acquisition failure message to the second access network device in scenarios such as periodic radio access network notification area (RAN notification area, RNA) update and small packet transmission. In other words, in scenarios such as periodic RNA update, small packet transmission, etc., the first access network device does not need to forward the context of the terminal device to the second access network device, and can still serve as the source access network device of the terminal device. It should be understood that the scenarios in which the first access network device does not forward the context of the terminal device listed here are only examples, and should not constitute any limitation to this application. This application does not limit the specific scenario in which the first access network device does not forward the context of the terminal device.

It should be understood that the process of acquiring the second message by the second access network device and related operations subsequently performed are described in detail above in combination with different situations. The figure is only for ease of understanding and shows the above steps. But this does not mean that each device, such as the terminal device, the second access network device, and the first access network device, has performed all the steps in the figure. For example, step 210 to step 213 may correspond to one embodiment, and step 214 and step 215 may correspond to another embodiment. To facilitate the distinction in the figure, the steps corresponding to the two embodiments are shown in dashed boxes. .

Based on the technical solution described above, the terminal device can retain the measurement configuration (e.g., the source cell) received from the source cell while moving from one cell (e.g., the source cell) to another cell (e.g., the target cell). The above first measurement configuration). The access network device may indicate whether the terminal device can continue to use some or all of the parameters in the first measurement configuration. In the case that the terminal device can continue to use all the parameters in the first measurement configuration, the access network device may not need to reconfigure the measurement parameters for the terminal device through additional overhead, but only need to pass a few indication bits. To instruct the terminal device to continue measuring based on the parameters in the first measurement configuration. Under the condition that part of the parameters in the first measurement configuration can be used, the access network device can also send additional measurement parameters to the terminal device without sending all the configuration parameters to the terminal device. Can reduce the cost of configuration. In this way, the access network device does not need to send the measurement configuration to the terminal device every time the terminal device is configured to enter the inactive or idle state, which can save air interface overhead caused by frequent measurement configuration.

Therefore, in the method provided by the embodiment of the present application, the access network device can make a reasonable judgment according to the parameters in the first measurement configuration. If necessary, send the newly configured parameters to the terminal device. This can greatly reduce the cost of configuring parameters for the terminal device. At the same time, the measurement effect is taken into account, which is beneficial to obtain a higher compromise efficiency between the cost and the measurement effect.

It should be understood that, in the above embodiments, the size of the sequence number of each process does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation to the implementation process of the embodiments of this application. .

Above, the method provided by the embodiment of the present application has been described in detail with reference to FIG. 2. Hereinafter, the device provided by the embodiment of the present application will be described in detail with reference to FIGS. 3 to 5.

Fig. 3 is a schematic block diagram of a communication device provided by an embodiment of the present application. As shown in FIG. 3, the communication device 1000 may include a processing unit 1100 and a transceiver unit 1200.

In a possible design, the communication device 1000 may correspond to the terminal device in the above method embodiment. For example, it may be a terminal device, or a component (such as a chip or a circuit) configured for the terminal device may be configured in the terminal device. In the device).

It should be understood that the communication device 1000 may correspond to the terminal device in the method 200 according to the embodiment of the present application, and the communication device 1000 may include a unit for executing the method executed by the terminal device in the method 200 in FIG. 2. In addition, each unit in the communication device 1000 and other operations and/or functions described above are used to implement the corresponding process of the method 200 in FIG. 2.

Specifically, the transceiver unit 1200 may be configured to receive a first message from the source access network device, the first message instructing the terminal device to enter the inactive state, the first message including the first measurement configuration, and the first measurement configuration including the It is a parameter that is measured when the terminal device is in an inactive state.

The processing unit 1100 may be configured to enter the inactive state according to the first message, and perform measurement based on the first measurement configuration.

The transceiving unit 1200 is further configured to send a request for restoring the RRC connection to the target access network device, and receive a second message from the target access network device, the second message is used to instruct the terminal device to enter an inactive state or idle state.

The processing unit 1100 is further configured to perform measurement based on at least part of the parameters in the first measurement configuration according to the second message.

Optionally, the processing unit 1100 is further configured to enter the inactive state or the idle state according to the second message, or keep in the inactive state or the idle state.

Optionally, the second message includes information for instructing to perform measurement based on at least part of the parameters in the first measurement configuration.

Optionally, the second message includes a second measurement configuration, and the second measurement configuration includes a parameter for the terminal device to perform measurement.

Further, the processing unit 1100 is further configured to perform measurement based on the parameters in the second measurement configuration according to the second message.

Optionally, the second message includes a third measurement configuration, and the third measurement configuration includes additional parameters used for measurement by the terminal device.

Further, the processing unit 1100 is further configured to perform configuration based on some or all of the parameters in the first measurement configuration and the parameters in the third measurement configuration according to the second message, and perform measurement based on the configured parameters.

Optionally, the second message includes information for instructing to restart the timer or continue to run the timer; the timer is started based on the first measurement configuration, and the running time of the timer is included in the first measurement configuration Measure the effective time.

Further, the processing unit 1100 is further configured to restart the timer or continue to run the timer according to the second message, and determine to stop the measurement based on the first measurement configuration after the running time of the timer is reached. When the communication device 1000 is used to perform the method 200 in FIG. 2, the processing unit 1100 can be used to perform step 202, step 205 to step 208 in the method 200, and the transceiver unit 1200 can be used to perform step 201 and step 203 in the method 200 And step 204. It should be understood that the specific process for each unit to execute the foregoing corresponding steps has been described in detail in the foregoing method embodiment, and is not repeated here for brevity.

It should also be understood that when the communication device 1000 is a terminal device, the transceiver unit 1200 in the communication device 1000 may be implemented by a transceiver, for example, it may correspond to the transceiver 2020 in the terminal device 2000 shown in FIG. The processing unit 1100 in 1000 may be implemented by at least one processor, for example, may correspond to the processor 2010 in the terminal device 2000 shown in FIG. 4.

It should also be understood that when the communication device 1000 is a chip in a terminal device, the transceiver unit 1200 in the communication device 1000 may be implemented through an input/output interface.

Optionally, the communication device 1000 further includes a storage unit, and the storage unit can be used to store instructions or data, and the processing unit can call the instructions or data stored in the storage unit to implement corresponding operations. The storage unit may be implemented by at least one memory, for example, may correspond to the memory 2030 in the terminal device 2000 in FIG. 4.

In another possible design, the communication device 1000 may correspond to the access network device in the above method embodiment, for example, it may be an access network device, or a component (such as Chip or circuit can be configured in the access network equipment).

Optionally, the communication device 1000 may correspond to the first access network device in the method 200 according to the embodiment of the present application, and the communication device 1000 may include the first access network device for executing the method 200 in FIG. 2 The unit of the method of execution. In addition, each unit in the communication device 1000 and other operations and/or functions described above are used to implement the corresponding process of the method 200 in FIG. 2.

Specifically, the processing unit 1100 is configured to generate a second message for determining whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration, and the first measurement configuration is the source access network. It is configured for the terminal device when the device instructs the terminal device to enter the inactive state, and the first measurement configuration includes parameters for the terminal device to perform measurement in the inactive state.

The transceiver unit 1200 is configured to send the second message to the terminal device through the target access network device.

Optionally, the transceiver unit 1200 is further configured to send a first message for instructing the terminal device to enter an inactive state, the first message includes a first measurement configuration, and the first measurement configuration includes Parameters to be measured in the deactivated state.

Optionally, the transceiving unit 1200 is further configured to receive a request for acquiring the context of the terminal device sent from the target access network device; and to send a context acquisition failure message to the target access network device, and the context acquisition failure message includes The second message, the context acquisition failure message is used to indicate that the context acquisition of the terminal device fails.

Optionally, the second message further includes a second measurement configuration or a third measurement configuration, the second measurement configuration includes parameters for the terminal device to perform measurement, and the third measurement configuration includes additional measurements for the terminal device. Parameters.

In another implementation manner, the processing unit 1100 is used to generate time information, the time information is used to determine the length of time the terminal device continues to perform measurement based on the first measurement configuration, the first measurement configuration comes from the source access network device, and The first measurement configuration includes parameters for the terminal device to perform measurement in an inactive state.

The transceiver unit 1200 is configured to send the time information to the target access network device.

Optionally, the time information specifically indicates one or more of the following: the moment when the source access network device sends the first measurement configuration to the terminal device; or the source access network device determines based on the effective duration of the measurement in the first measurement configuration The remaining time; or the elapsed time measured based on the first measurement configuration.

Optionally, the transceiving unit 1200 is further configured to receive a request for acquiring the context of the terminal device sent from the target access network device; and to send the context of the terminal device to the target access network device.

When the communication device 1000 is used to execute the method 200 in FIG. 2, the processing unit 1100 can be used to execute step 212 or step 204 in the method 200, and the transceiver unit 1200 can be used to execute step 209 in the method 200, and can also be used to execute the method. Step 210 and step 213 in 200 may also be used to execute step 215 in method 200. It should be understood that the specific process for each unit to execute the foregoing corresponding steps has been described in detail in the foregoing method embodiment, and is not repeated here for brevity.

It should be understood that the processing unit 1100 may be used to perform the steps of generating and/or determining the first access network device in the method 200, and the transceiving unit 1100 may be used to perform the steps of receiving and/or sending the first access network device in the method 200 . For the sake of brevity, I will not list them all.

Optionally, the communication device 1000 may correspond to the second access network device in the method 200 according to the embodiment of the present application, and the communication device 1000 may include the second access network device for executing the method 200 in FIG. 2 The unit of the method of execution. In addition, each unit in the communication device 1000 and other operations and/or functions described above are used to implement the corresponding process of the method 200 in FIG. 2.

Specifically, the transceiving unit 1200 is used for receiving the second message and used for sending the second message to the terminal device. The second message is used to determine whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration, and the first measurement configuration is configured to the terminal when the source access network device instructs the terminal device to enter the inactive state Device, and the first measurement configuration includes parameters for the terminal device to perform measurement in an inactive state.

Optionally, the transceiving unit 1200 is further configured to send a request for acquiring the context of the terminal device to the source access network device, and to receive a context acquisition failure message from the source access network device. The context acquisition failure message A second message is included, and the context acquisition failure message is used to indicate that the context acquisition of the terminal device fails.

Optionally, the context acquisition failure message includes a second measurement configuration or a third measurement configuration, the second measurement configuration includes parameters for the terminal device to perform measurement, and the third measurement configuration includes additional measurements for the terminal device Parameters.

In another implementation manner, the processing unit 1100 is configured to generate a second message for determining whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration, and the first measurement configuration It is configured for the terminal device when the source access network device instructs the terminal device to enter the inactive state, and the first measurement configuration includes parameters for the terminal device to perform measurement in the inactive state.

The transceiver unit 1200 is used to send the second message.

Optionally, the transceiving unit 1200 is further configured to send a request for acquiring the context of the terminal device to the source access network device, and to receive the context of the terminal device from the source access network device. The processing unit 1100 may generate the second message based on the received context of the terminal device.

Optionally, the transceiving unit 1200 is further configured to receive time information from the source access network device, where the time information is used to determine the duration for the terminal device to continue measurement based on the first measurement configuration.

Optionally, the time information specifically indicates one or more of the following: the time when the source access network device sends the first measurement configuration to the terminal device; the source access network device determines based on the effective duration of the measurement in the first measurement configuration And the elapsed time measured based on the first measurement configuration.

In combination with the foregoing two implementation manners, optionally, the second message includes information for instructing to perform measurement based on at least part of the parameters in the first measurement configuration.

Combining the foregoing two implementation manners, optionally, the second message includes a second measurement configuration, and the second measurement configuration includes parameters used for measurement by the terminal device.

Combining the foregoing two implementation manners, optionally, the second message includes a third measurement configuration, and the third measurement configuration includes additional parameters used for measurement by the terminal device.

Combining the foregoing two implementation manners, optionally, the second message includes information for indicating restarting the timer or continuing to run the timer; the timer is started based on the first measurement configuration, and the running time of the timer is the above The effective duration of the measurement included in the first measurement configuration.

Combining the foregoing two implementation manners, optionally, the second message further includes a second measurement configuration or a third measurement configuration, the second measurement configuration includes parameters for the terminal device to perform measurement, and the third measurement configuration includes additional The parameters used for the terminal equipment to measure.

Wherein, when the communication device 1000 is used to perform the method 200 in FIG. 2, the processing unit 1100 can be used to perform step 211 in the method 200, and the transceiver unit 1200 can be used to perform step 203, step 204, and step 209 in the method 200. It can also be used to execute step 210 and step 213 in method 200, or it can also be used to execute step 215 in method 200. It should be understood that the specific process for each unit to execute the foregoing corresponding steps has been described in detail in the foregoing method embodiment, and is not repeated here for brevity.

It should be understood that the processing unit 1100 may be used to perform the steps of generating and/or determining the second access network device in the method 200, and the transceiving unit 1100 may be used to perform the steps of receiving and/or sending the second access network device in the method 200 . For the sake of brevity, I will not list them all.

It should also be understood that when the communication device 1000 is an access network device, the transceiver unit 1200 in the communication device 1000 can be implemented by a transceiver, for example, it can correspond to the radio frequency unit 3012 in the access network device 3000 shown in FIG. And the antenna 3011, the processing unit 1100 in the communication device 1000 may be implemented by at least one processor, for example, may correspond to the processor 3022 in the base station 3000 shown in FIG. 5.

It should also be understood that when the communication device 1000 is a chip configured in an access network device, the transceiver unit 1200 in the communication device 1000 may be implemented through an input/output interface.

Optionally, the communication device 1000 further includes a storage unit, and the storage unit can be used to store instructions or data, and the processing unit can call the instructions or data stored in the storage unit to implement corresponding operations. The storage unit may be implemented by at least one memory, for example, may correspond to the memory 3201 in the access network device 3000 in FIG. 5.

FIG. 4 is a schematic structural diagram of a terminal device 2000 provided by an embodiment of the present application. The terminal device 2000 can be applied to the system shown in FIG. 1 to perform the functions of the terminal device in the foregoing method embodiment. As shown in the figure, the terminal device 2000 includes a processor 2010 and a transceiver 2020. Optionally, the terminal device 2000 further includes a memory 2030. Among them, the processor 2010, the transceiver 2002, and the memory 2030 can communicate with each other through internal connection paths to transfer control and/or data signals. The memory 2030 is used for storing computer programs, and the processor 2010 is used for downloading from the memory 2030. Call and run the computer program to control the transceiver 2020 to send and receive signals. Optionally, the terminal device 2000 may further include an antenna 2040 for transmitting the uplink data or uplink control signaling output by the transceiver 2020 through a wireless signal.

The aforementioned processor 2010 and the memory 2030 can be combined into a processing device, and the processor 2010 is configured to execute the program code stored in the memory 2030 to implement the aforementioned functions. During specific implementation, the memory 2030 may also be integrated in the processor 2010 or independent of the processor 2010. The processor 2010 may correspond to the processing unit in FIG. 3.

The aforementioned transceiver 2020 and antenna 2040 may correspond to the transceiver unit in FIG. 3, and may also be referred to as a transceiver unit. The transceiver 2020 may include a receiver (or called receiver, receiving circuit) and a transmitter (or called transmitter, transmitting circuit). Among them, the receiver is used to receive signals, and the transmitter is used to transmit signals.

It should be understood that the terminal device 2000 shown in FIG. 4 can implement various processes involving the terminal device in the method embodiment shown in FIG. 2. The operations and/or functions of each module in the terminal device 2000 are respectively for implementing the corresponding processes in the foregoing method embodiments. For details, please refer to the descriptions in the foregoing method embodiments. To avoid repetition, detailed descriptions are appropriately omitted here.

The above-mentioned processor 2010 can be used to execute the actions described in the previous method embodiments implemented by the terminal device, and the transceiver 2020 can be used to execute the terminal device described in the previous method embodiments to send or receive from the access network device The action received by the network device. For details, please refer to the description in the previous method embodiment, which will not be repeated here.

Optionally, the aforementioned terminal device 2000 may further include a power supply 2050 for providing power to various devices or circuits in the terminal device.

In addition, in order to make the function of the terminal device more complete, the terminal device 2000 may also include one or more of an input unit 2060, a display unit 2070, an audio circuit 2080, a camera 2090, and a sensor 2100. The audio circuit A speaker 2082, a microphone 2084, etc. may also be included.

Fig. 5 is a schematic structural diagram of an access network device provided by an embodiment of the present application, and may be, for example, a schematic structural diagram of a base station. The base station 3000 may be applied to the system shown in FIG. 1 to perform the functions of the first access network device or the second access network device in the foregoing method embodiment. As shown in the figure, the base station 3000 may include one or more DU 3010 and one or more CU 3020. The CU 3020 can communicate with NGcore (Next Generation Core Network, NC). The DU 3010 may include at least one antenna 3011, at least one radio frequency unit 3012, at least one processor 3013, and at least one memory 3014. The DU 3010 part is mainly used for the transmission and reception of radio frequency signals, the conversion of radio frequency signals and baseband signals, and part of baseband processing. The CU 3020 may include at least one processor 3022 and at least one memory 3021. CU 3020 and DU 3010 can communicate through interfaces, where the control plane (CP) interface can be Fs-C, such as F1-C, and the user plane (UP) interface can be Fs-U. For example, F1-U.

The CU 3020 part is mainly used for baseband processing, control of base stations, and so on. The DU 3010 and the CU 3020 may be physically set together, or may be physically separated, that is, a distributed base station. The CU 3020 is the control center of the base station, which may also be called a processing unit, and is mainly used to complete baseband processing functions. For example, the CU 3020 may be used to control the base station to execute the operation procedure of the access network device in the foregoing method embodiment.

Specifically, the baseband processing on the CU and DU can be divided according to the protocol layer of the wireless network. For example, the functions of the PDCP layer and above are set in the CU, and the protocol layers below the PDCP, such as the RLC layer and MAC layer, are set in the DU. . For another example, the CU implements the functions of the RRC layer and the PDCP layer, and the DU implements the functions of the RLC layer, the MAC layer, and the PHY layer.

In addition, optionally, the base station 3000 may include one or more radio frequency units (RU), one or more DUs, and one or more CUs. The DU may include at least one processor 3013 and at least one memory 3014, the RU may include at least one antenna 3011 and at least one radio frequency unit 3012, and the CU may include at least one processor 3022 and at least one memory 3021.

In an example, the CU 3020 may be composed of one or more single boards, and multiple single boards may jointly support a wireless access network (such as a 5G network) with a single access indication, and may also support different access standards. Wireless access network (such as LTE network, 5G network or other networks). The memory 3021 and the processor 3022 may serve one or more single boards. In other words, the memory and the processor can be set separately on each board. It can also be that multiple boards share the same memory and processor. In addition, necessary circuits can be provided on each board. The DU 3010 can be composed of one or more single boards, and multiple single boards can jointly support a wireless access network with a single access indication (such as a 5G network), or can respectively support wireless access networks with different access standards ( Such as LTE network, 5G network or other networks). The memory 3014 and the processor 3013 may serve one or more single boards. In other words, the memory and the processor can be set separately on each board. It can also be that multiple boards share the same memory and processor. In addition, necessary circuits can be provided on each board.

It should be understood that the base station 3000 shown in FIG. 5 can implement various processes involving the first access network device or the second access network device in the method embodiment shown in FIG. 2. The operations and/or functions of the various modules in the base station 3000 are used to implement the corresponding processes in the foregoing method embodiments. For details, please refer to the descriptions in the foregoing method embodiments. To avoid repetition, detailed descriptions are appropriately omitted here.

It should be understood that the base station 3000 shown in FIG. 5 is only a possible architecture of the access network device, and should not constitute any limitation in this application. The method provided in this application is applicable to access network equipment of other architectures. For example, access network equipment including CU, DU, and AAU. This application does not limit the specific architecture of the access network device.

The embodiment of the present application also provides a processing device, including a processor and an interface; the processor is configured to execute the method in any of the foregoing method embodiments.

It should be understood that the aforementioned processing device may be one or more chips. For example, the processing device may be a field programmable gate array (FPGA), an application specific integrated circuit (ASIC), or a system on chip (SoC), or It is a central processor unit (CPU), a network processor (NP), a digital signal processing circuit (digital signal processor, DSP), or a microcontroller (microcontroller).

The controller unit, MCU), may also be a programmable controller (programmable logic device, PLD) or other integrated chips.

In the implementation process, the steps of the above method can be completed by hardware integrated logic circuits in the processor or instructions in the form of software. The steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor. The software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware. In order to avoid repetition, it will not be described in detail here.

It should be noted that the processor in the embodiment of the present application may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software. The above-mentioned processor may be 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 devices, discrete gates or transistor logic devices, discrete hardware components . The methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.

It can be understood that the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. Among them, the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electronic Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory. The volatile memory may be random access memory (RAM), which is used as an external cache. By way of exemplary but not restrictive description, many forms of RAM are available, such as static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (synchlink DRAM, SLDRAM) ) And direct memory bus random access memory (direct rambus RAM, DR RAM). It should be noted that the memories of the systems and methods described herein are intended to include, but are not limited to, these and any other suitable types of memories.

According to the method provided in the embodiments of the present application, the present application also provides a computer program product, the computer program product includes: computer program code, when the computer program code runs on a computer, the computer executes the embodiment shown in FIG. 2 Method in.

According to the method provided in the embodiments of the present application, the present application also provides a computer-readable medium that stores program code, and when the program code runs on a computer, the computer executes any of the foregoing embodiments. A method executed by a network element, for example, the method executed by the terminal device, the first access network device, or the second access network device in the embodiment shown in FIG. 2 respectively.

According to the method provided in the embodiments of the present application, the present application also provides a system, which includes the aforementioned one or more terminal devices and one or more access network devices.

The access equipment in the above-mentioned device embodiments completely corresponds to the access network equipment or terminal equipment in the terminal equipment and method embodiments, and the corresponding modules or units execute the corresponding steps, for example, the communication unit (transceiver) executes the method implementation In the example of receiving or sending steps, other steps except sending and receiving can be executed by the processing unit (processor). For the functions of specific units, refer to the corresponding method embodiments. There may be one or more processors.

The terms "component", "module", "system", etc. used in this specification are used to denote computer-related entities, hardware, firmware, a combination of hardware and software, software, or software in execution. For example, the component may be, but is not limited to, a process, processor, object, executable file, thread of execution, program, and/or computer running on the processor. Through the illustration, both the application running on the computing device and the computing device can be components. One or more components may reside in processes and/or threads of execution, and components may be located on one computer and/or distributed between two or more computers. In addition, these components can be executed from various computer readable media having various data structures stored thereon. The component may be based on, for example, a signal having one or more data packets (such as data from two components interacting with another component in a local system, a distributed system, and/or a network, such as the Internet that interacts with other systems through signals) Communicate through local and/or remote processes.

Those of ordinary skill in the art may realize that the various illustrative logical blocks and steps described in the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. achieve. Whether these functions are executed by hardware or software 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.

Those skilled in the art can clearly understand that, for the convenience and conciseness of description, the specific working process of the above-described system, device, and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed system, device, and method may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the 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 It can be integrated into 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, mechanical or other forms.

The units described as separate components may or may not be physically separated, 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 each embodiment 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.

In the foregoing embodiments, the functions of each functional unit may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented by software, it can be implemented in the form of a computer program product in whole or in part. The computer program product includes one or more computer instructions (programs). When the computer program instructions (programs) are loaded and executed on the computer, the processes or functions described in the embodiments of the present application are generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. 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 a website, computer, server, or data center. Transmission to another website, computer, server or data center via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.). The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media. The usable medium may be a magnetic medium, (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (for example, a solid state disk, SSD)) etc.

If the function 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 storage medium. Based on this understanding, the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disk and other media that can store program code .

The above are only specific implementations of this application, but the protection scope of this application is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in this application. Should be covered within the scope of protection of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

Claims

A communication method, characterized in that the method includes:

Receiving a first message from a source access network device, the first message instructing the terminal device to enter an inactive state, the first message including a first measurement configuration, and the first measurement configuration including information for the terminal device Parameters to be measured in the active state;

Enter an inactive state according to the first message, and perform measurement based on the first measurement configuration;

Send a request for restoring a radio resource control RRC connection to a target access network device, and receive a second message from the target access network device, the second message instructing the terminal device to enter an inactive state or an idle state ;as well as

According to the second message, perform measurement based on at least part of the parameters in the first measurement configuration; or,

Perform measurement based on the parameters in the first measurement configuration according to the second message; or,

According to the second message, measurement is performed based on parameters in a second measurement configuration, where the second measurement configuration is a parameter carried in the second message for the terminal device to perform measurement; or,

According to the second message, it is determined not to perform measurement.
The communication method according to claim 1, wherein performing measurement based on at least part of the parameters in the first measurement configuration comprises: including in the second message for indicating that based on the first measurement configuration In the case of information that at least part of the parameters in the measurement is performed, the measurement is performed based on at least part of the parameters in the first measurement configuration; or,

The performing measurement based on the parameters in the first measurement configuration according to the second message includes:

In the case that the second message does not include the measurement configuration, the measurement is performed based on the parameters in the first measurement configuration.
The communication method according to claim 1 or 2, wherein the measuring based on the parameters in the second measurement configuration according to the second message comprises:

In the case where the second message includes the second measurement configuration, measurement is performed based on the parameters in the second measurement configuration.
The communication method according to any one of claims 1 to 3, wherein the measuring based on the parameters in the first measurement configuration according to the second message comprises:

In the case that the second message includes the third measurement configuration, the measurement is performed based on at least part of the parameters in the first measurement configuration and the parameters in the third measurement configuration; wherein, the third measurement configuration Including additional parameters for the terminal device to measure.
The communication method according to any one of claims 1 to 4, wherein the determining not to perform measurement according to the second message comprises:

In the case where the second message includes a release instruction, the first measurement configuration is released without performing measurement.
The communication method according to any one of claims 1 to 5, wherein the second message includes information for indicating restarting a timer or continuing to run a timer; the timer is based on the first measurement The configuration is started, and the running duration of the timer is the effective duration of the measurement included in the first measurement configuration.
8. The communication method of claim 6, wherein the method further comprises:

According to the second message, restart the timer or continue to run the timer, and after the running duration of the timer reaches, it is determined to stop measurement based on the first measurement configuration.
A communication method, characterized in that the method includes:

Acquire a second message, the second message is used to determine whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration or the parameters in the first measurement configuration, and the first measurement configuration is the source access Configured to the terminal device when the network device instructs the terminal device to enter the inactive state, and the first measurement configuration includes parameters for the terminal device to perform measurement in the inactive state;

Sending the second message to the terminal device.
The communication method according to claim 8, wherein the second message is used to determine whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration or the parameters in the first measurement configuration, comprising:

The second message does not include the measurement configuration to instruct to perform measurement based on the parameters in the first measurement configuration; or,

The second message includes information for indicating whether to perform measurement based on at least part of the parameters in the first measurement configuration.
The communication method according to claim 8 or 9, wherein the second message includes a second measurement configuration, and the second measurement configuration includes a parameter for the terminal device to perform measurement to indicate the The parameters in the second measurement configuration are measured.
The communication method according to any one of claims 8 to 10, wherein the second message includes a third measurement configuration, and the third measurement configuration includes additional parameters for the terminal device to perform measurement , To indicate to perform measurement based on at least part of the parameters in the first measurement configuration and the parameters in the third measurement configuration.
The communication method according to any one of claims 8 to 11, wherein the second message includes a release instruction to instruct to release the first measurement configuration without performing measurement.
The communication method according to any one of claims 8 to 12, wherein the second message includes information for indicating restarting a timer or continuing to run a timer; the timer is based on the first measurement The configuration is started, and the running duration of the timer is the effective duration of the measurement included in the first measurement configuration.
The communication method according to any one of claims 8 to 13, wherein said acquiring the second message comprises:

Generate the second message based on the context of the terminal device received from the source access network device.
The communication method of claim 14, wherein the method further comprises:

Receiving time information from the source access network device, where the time information is used to determine the length of time that the terminal device continues to perform measurement based on the first measurement configuration.
The communication method according to claim 15, wherein the time information specifically indicates one or more of the following:

The moment when the source access network device sends the first measurement configuration to the terminal device;

The remaining duration determined by the source access network device based on the effective duration of the measurement in the first measurement configuration; and

The elapsed time of measurement based on the first measurement configuration.
The communication method according to claim 15 or 16, wherein the time information is carried in the context of the terminal device.
The communication method according to any one of claims 14 to 17, wherein the context of the terminal device further includes at least part of the parameters in the first measurement configuration.
The communication method according to any one of claims 8 to 18, wherein said acquiring the second message comprises:

Receiving a context acquisition failure message from a source access network device, where the context acquisition failure message carries the second message, and the context acquisition failure message is used to indicate that the context acquisition of the terminal device fails.
The communication method according to claim 19, wherein the context acquisition failure message further includes a second measurement configuration or a third measurement configuration, and the second measurement configuration includes parameters for the terminal device to perform measurement , The third measurement configuration includes additional parameters used for measurement by the terminal device.
A communication method, characterized in that the method includes:

A second message is generated, and the second message is used to determine whether to perform measurement based on parameters in the first measurement configuration or based on at least part of the parameters in the first measurement configuration, and the first measurement configuration is to instruct the terminal device to enter Configured for the terminal device in the active state, and the first measurement configuration includes parameters used for the terminal device to perform measurement in the inactive state;

Sending the second message to the terminal device through the target access network device.
The communication method according to claim 21, wherein the second message is used to determine whether to perform measurement based on parameters in the first measurement configuration or whether to perform measurement based on at least part of the parameters in the first measurement configuration, comprising: said The second message does not include the measurement configuration to instruct to perform measurement based on the parameters in the first measurement configuration; or,

The second message includes information for instructing to perform measurement based on at least part of the parameters in the first measurement configuration.
The communication method according to claim 21 or 22, wherein the second message includes a second measurement configuration, and the second measurement configuration includes a parameter for the terminal device to perform measurement to indicate the The parameters in the second measurement configuration are measured.
The communication method according to any one of claims 21 to 23, wherein the second message includes a third measurement configuration, and the third measurement configuration includes additional parameters for the terminal device to perform measurement , To indicate to perform measurement based on at least part of the parameters in the first measurement configuration and the parameters in the third measurement configuration.
The communication method according to any one of claims 21 to 24, wherein the second message is used for whether to perform measurement based on parameters in the first measurement configuration or whether to perform measurements based on at least some parameters in the first measurement configuration The determination includes:

The second message includes a release instruction to instruct to release the first measurement configuration without performing measurement.
The communication method according to any one of claims 21 to 25, wherein the second message includes information for indicating restarting the timer or continuing to run the timer; the timer is based on the first measurement The configuration is started, and the running duration of the timer is the effective duration of the measurement included in the first measurement configuration.
The communication method according to any one of claims 21 to 26, wherein the sending the second message to the terminal device through a target access network device comprises:

Send a context acquisition failure message to the target access network device, the context acquisition failure message includes the second message, and the context acquisition failure message is used to indicate that the context acquisition of the terminal device fails, and the first The second message is a message sent to the terminal device.
The communication method according to claim 27, wherein the context acquisition failure message further includes a second measurement configuration or a third measurement configuration, and the second measurement configuration includes parameters for the terminal device to perform measurement , The third measurement configuration includes additional parameters used for measurement by the terminal device.
The communication method according to any one of claims 1 to 28, wherein the second message is a message used to release a radio resource control RRC connection.
A communication method, characterized in that it comprises:

Time information is generated, and the time information is used to determine the length of time that the terminal device continues to perform measurement based on the first measurement configuration, the first measurement configuration is configured to the terminal device when the terminal device enters the inactive state, and the first measurement configuration Including the parameters used for the terminal device to measure in the inactive state;

Send the time information to the target access network device.
The communication method according to claim 30, wherein the time information specifically indicates one or more of the following:

The time when the source access network device sends the first measurement configuration to the terminal device; the remaining time determined by the source access network device based on the effective measurement duration in the first measurement configuration; and the elapsed time measured based on the first measurement configuration.
The communication method according to claim 30 or 31, wherein the time information is carried in the context of the terminal device, and the sending the time information to the target access network device comprises: sending the terminal to the target access network device The context of the device. The context of the terminal device includes the time information.
The communication method according to claim 32, wherein the context of the terminal device further includes at least part of the parameters of the first measurement configuration.
A communication device, characterized in that it comprises:

The transceiver unit is configured to receive a first message from a source access network device, the first message instructing the terminal device to enter an inactive state, the first message including a first measurement configuration, and the first measurement configuration including Parameters measured by the terminal device in the inactive state;

A processing unit, configured to enter an inactive state according to the first message, and perform measurement based on the first measurement configuration;

The transceiver unit is further configured to send a request for restoring a radio resource control RRC connection to a target access network device, and receive a second message from the target access network device, the second message indicating the terminal device Enter the inactive or idle state; and

The processing unit is also used for:

According to the second message, perform measurement based on at least part of the parameters in the first measurement configuration; or,

Perform measurement based on the parameters in the first measurement configuration according to the second message; or,

According to the second message, measurement is performed based on parameters in a second measurement configuration, where the second measurement configuration is a parameter carried in the second message for the terminal device to perform measurement; or,

According to the second message, it is determined not to perform measurement.
The communication device according to claim 34, wherein the measurement based on at least part of the parameters in the first measurement configuration according to the second message comprises: the second message includes In the case of information indicating measurement based on at least part of the parameters in the first measurement configuration, measurement is performed based on at least part of the parameters in the first measurement configuration; or,

The performing measurement based on the parameters in the first measurement configuration according to the second message includes:

In the case that the second message does not include the measurement configuration, the measurement is performed based on the parameters in the first measurement configuration.
The communication device according to claim 34 or 35, wherein the measuring based on the parameters in the second measurement configuration according to the second message comprises:

In the case where the second message includes the second measurement configuration, measurement is performed based on the parameters in the second measurement configuration.
The communication device according to any one of claims 34 to 36, wherein the measuring based on the parameters in the first measurement configuration according to the second message comprises:

In the case that the second message includes the third measurement configuration, the measurement is performed based on at least part of the parameters in the first measurement configuration and the parameters in the third measurement configuration; wherein, the third measurement configuration Including additional parameters for the terminal device to measure.
The communication device according to any one of claims 34 to 37, wherein the determining not to perform measurement according to the second message comprises:

In the case where the second message includes a release instruction, the first measurement configuration is released without performing measurement.
The communication device according to any one of claims 34 to 38, wherein the second message includes information for indicating restarting a timer or continuing to run a timer; the timer is based on the first measurement The configuration is started, and the running duration of the timer is the effective duration of the measurement included in the first measurement configuration.
The communication device according to claim 39, wherein the processing unit is further configured to:

According to the second message, restart the timer or continue to run the timer, and after the running time of the timer reaches, it is determined to stop the measurement based on the first measurement configuration.
A communication device, characterized in that it comprises:

The processing unit is configured to obtain a second message, the second message being used for determining whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration or the parameters in the first measurement configuration, the first measurement Configured to be configured to the terminal device when the source access network device instructs the terminal device to enter the inactive state, and the first measurement configuration includes parameters for the terminal device to perform measurement in the inactive state;

The transceiver unit is configured to send the second message to the terminal device.
The communication device according to claim 41, wherein the second message is used for determining whether the terminal device performs measurement based on at least part of the parameters in the first measurement configuration or the parameters in the first measurement configuration, comprising:

The second message does not include the measurement configuration to instruct to perform measurement based on the parameters in the first measurement configuration; or,

The second message includes information for indicating whether to perform measurement based on at least part of the parameters in the first measurement configuration.
The communication device according to claim 41 or 42, wherein the second message includes a second measurement configuration, and the second measurement configuration includes a parameter for the terminal device to perform measurement to indicate that the The parameters in the second measurement configuration are measured.
The communication device according to any one of claims 41 to 43, wherein the second message includes a third measurement configuration, and the third measurement configuration includes additional parameters for the terminal device to perform measurement To instruct to perform measurement based on at least part of the parameters in the first measurement configuration and the parameters in the third measurement configuration.
The communication device according to any one of claims 41 to 44, wherein the second message includes a release instruction to instruct to release the first measurement configuration without performing measurement.
The communication device according to any one of claims 41 to 45, wherein the second message includes information for indicating restarting a timer or continuing to run a timer; the timer is based on the first measurement The configuration is started, and the running duration of the timer is the effective duration of the measurement included in the first measurement configuration.
The communication device according to any one of claims 41 to 46, wherein the processing unit is configured to obtain the second message, comprising:

The processing unit is configured to generate the second message based on the context of the terminal device received from the source access network device.
The communication device according to claim 47, wherein the transceiver unit is further configured to:

Receiving time information from the source access network device, where the time information is used to determine the length of time that the terminal device continues to perform measurement based on the first measurement configuration.
The communication device according to claim 48, wherein the time information specifically indicates one or more of the following:

The moment when the source access network device sends the first measurement configuration to the terminal device;

The remaining duration determined by the source access network device based on the effective duration of the measurement in the first measurement configuration; and

The elapsed time of measurement based on the first measurement configuration.
The communication device according to claim 48 or 49, wherein the time information is carried in the context of the terminal device.
The communication device according to any one of claims 47 to 50, wherein the context of the terminal device further includes at least part of the parameters in the first measurement configuration.
The communication device according to any one of claims 41 to 51, wherein the processing unit is configured to obtain the second message, comprising:

The transceiver unit receives a context acquisition failure message from the source access network device, the context acquisition failure message carries the second message, and the context acquisition failure message is used to indicate that the context acquisition of the terminal device fails;

The processing unit obtains the second message from the context acquisition failure message.
The communication device according to claim 52, wherein the context acquisition failure message further includes a second measurement configuration or a third measurement configuration, and the second measurement configuration includes a parameter for the terminal device to perform measurement , The third measurement configuration includes additional parameters used for measurement by the terminal device.
A communication device, characterized in that it comprises:

The processing unit is configured to generate a second message for determining whether to perform measurement based on parameters in the first measurement configuration or based on at least part of the parameters in the first measurement configuration, the first measurement configuration being Indicating that the terminal device is configured to the terminal device when it enters the inactive state, and the first measurement configuration includes parameters for the terminal device to perform measurement in the inactive state;

The transceiver unit is configured to send the second message to the terminal device through the target access network device.
The communication device according to claim 54, wherein the second message is used to determine whether to perform measurement based on parameters in the first measurement configuration or whether to perform measurement based on at least part of the parameters in the first measurement configuration, comprising: said The second message does not include the measurement configuration to instruct to perform measurement based on the parameters in the first measurement configuration; or,

The second message includes information for instructing to perform measurement based on at least part of the parameters in the first measurement configuration.
The communication device according to claim 54 or 55, wherein the second message includes a second measurement configuration, and the second measurement configuration includes a parameter for the terminal device to perform measurement to indicate that the The parameters in the second measurement configuration are measured.
The communication device according to any one of claims 54 to 56, wherein the second message includes a third measurement configuration, and the third measurement configuration includes additional parameters for the terminal device to perform measurement To instruct to perform measurement based on at least part of the parameters in the first measurement configuration and the parameters in the third measurement configuration.
The communication device according to any one of claims 54 to 57, wherein the second message is used for whether to perform measurement based on parameters in the first measurement configuration or whether to perform measurements based on at least part of the parameters in the first measurement configuration The determination includes:

The second message includes a release instruction to instruct to release the first measurement configuration without performing measurement.
The communication device according to any one of claims 54 to 58, wherein the second message includes information for indicating restarting the timer or continuing to run the timer; the timer is based on the first measurement The configuration is started, and the running duration of the timer is the effective duration of the measurement included in the first measurement configuration.
The communication device according to any one of claims 54 to 59, wherein the transceiver unit is configured to send the second message to the terminal device through a target access network device, comprising:

The transceiver unit is configured to send a context acquisition failure message to the target access network device, the context acquisition failure message includes the second message, and the context acquisition failure message is used to indicate the context of the terminal device The acquisition fails, and the second message is a message sent to the terminal device.
The communication device according to claim 60, wherein the context acquisition failure message further includes a second measurement configuration or a third measurement configuration, and the second measurement configuration includes parameters for the terminal device to perform measurement , The third measurement configuration includes additional parameters used for measurement by the terminal device.
The communication device according to any one of claims 30 to 61, wherein the second message is a message used to release a radio resource control RRC connection.
A communication device, characterized in that it comprises:

The processing unit is configured to generate time information, the time information being used to determine the length of time that the terminal device continues to perform measurement based on the first measurement configuration, which is configured to the terminal device when the terminal device is instructed to enter the inactive state, and The first measurement configuration includes parameters for the terminal device to perform measurement in an inactive state;

The transceiver unit is used to send the time information to the target access network device.
The communication device according to claim 63, wherein the time information specifically indicates one or more of the following:

The time when the source access network device sends the first measurement configuration to the terminal device; the remaining time determined by the source access network device based on the effective measurement duration in the first measurement configuration; and the elapsed time measured based on the first measurement configuration.
The communication device according to claim 63 or 64, wherein the time information is carried in the context of the terminal device, and the sending the time information to the target access network device comprises: sending the terminal to the target access network device The context of the device. The context of the terminal device includes the time information.
The communication device according to claim 65, wherein the context of the terminal device further includes at least part of the parameters of the first measurement configuration.
A communication device, characterized by comprising a unit for implementing the method according to any one of claims 1 to 33.
A communication device, characterized in that it comprises:

The processor is configured to execute computer instructions stored in the memory, so that the device executes the method according to any one of claims 1 to 33.
A computer storage medium or computer program product, characterized by comprising a program or instruction, and when the program or instruction is executed, the method according to any one of claims 1 to 33 is executed.
A processor, comprising: an input circuit, an output circuit, and a processing circuit, the processing circuit is used to receive a signal through the input circuit, and transmit a signal through the output circuit, so that the processor executes as claimed in claims 1 to The method of any one of 33.
A communication system, comprising the communication device according to any one of claims 34-66, or, comprising the communication device according to any one of claims 34-40 and any one of claims 41-53 The communication device, or, comprises the communication device according to any one of claims 34-40, the communication device according to any one of claims 41-53 and the communication device according to any one of claims 54-62 Mentioned communication device.