WO2022052006A1

WO2022052006A1 - Communication method and communication apparatus

Info

Publication number: WO2022052006A1
Application number: PCT/CN2020/114610
Authority: WO
Inventors: 谢宗慧; 陈磊; 项弘禹; 辛婷玉
Original assignee: 华为技术有限公司
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2022-03-17
Also published as: CN115989697A8; CN115989697A

Abstract

The present application provides a communication method and a communication apparatus, applied to the field of radio communication technology. Said method comprises performing radio resource management measurement. A terminal device sends radio link failure information to a network device, the radio link failure information comprising measurement relaxation information, and the measurement relaxation information being used for indicating whether the measurement result of radio resource management measurement is a result of measurement relaxation and/or the type of measurement relaxation. The measurement relaxation information is added to indicate whether the radio resource management measurement has been subjected to measurement relaxation. If the radio resource management measurement has been subjected to measurement relaxation, the measurement conditions leading to the radio link failure can be optimized according to the measurement relaxation information. The measurement relaxation information can also be added to specifically indicate the type of the measurement relaxation, so that the network device performs directional optimization for such type of measurement relaxation, thereby ensuring the mobility performance of the terminal device.

Description

A communication method and communication device

technical field

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

Background technique

Minimization of Drive-Tests (MDT) is a way for operators to partially replace the traditional drive-test work through measurement and reporting of commercial terminals of contracted users, and to automatically collect terminal measurement data to detect and optimize problems in wireless networks. and faults. MDT is usually used in many fields such as network planning and optimization. MDT can greatly save the workload of manual drive testing, reduce operating costs, and improve service accuracy. The MDT mechanism includes the following categories: Immediate Minimized Drive Test (Immediate MDT), Registered Minimized Drive Test (Logged MDT) and Radio Link Failure report (RLF report). Immediate MDT collects measurement results of connected terminal devices, Logged MDT collects measurement results of idle terminal devices, and RLF report collects information related to infinite link failures and handover failures. In the MDT mechanism, the reporting of MDT measurement results is still incomplete, which leads to problems such as network planning and optimization performance degradation.

SUMMARY OF THE INVENTION

The present application provides a communication method and communication device, which can improve network planning and optimize performance.

In a first aspect, a communication method is provided, the communication method can be performed by a terminal device, the method includes: performing radio resource management measurement. The radio resource management measurement is a measurement based on the mobility of the terminal equipment, including idle state measurement and connected state measurement, and a measurement result can be generated during the radio resource management measurement process. In the RRM measurement, if the measurement samples are reduced, the measurement power consumption can be reduced, and this process can be called measurement relaxation. The terminal device sends radio link failure information to the network device, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is the measurement relaxation result and/or the measurement relaxation type.

In this embodiment of the present application, whether the radio resource management measurement has undergone measurement relaxation is indicated by adding measurement relaxation information. When the RRM measurement has undergone measurement relaxation, the measurement configuration can be optimized according to the measurement relaxation information, so as to avoid radio link failure caused by the measurement relaxation as much as possible. For example, the network device may optimize parameters related to measurement relaxation based on measurement relaxation information. The type of measurement relaxation can also be specifically indicated by adding measurement relaxation information, so that the network device can perform directional optimization for this type of measurement relaxation, thereby ensuring the mobility performance of the terminal device.

In a possible implementation manner of the first aspect, the type of measurement relaxation includes one or more of the following: relaxation of the measurement period of the serving cell, relaxation of the measurement period of the neighboring cell, relaxation of the measurement number of downlink reference signals of the serving cell, The measurement quantity of the downlink reference signal of the relaxed neighbor cell, the measurement quantity of the relaxed cell, or the measurement quantity of the relaxed frequency point are relaxed.

In this embodiment of the present application, the measurement relaxation information reported by the terminal device includes the type of measurement relaxation. Through the measurement relaxation information, the terminal device can indicate to the network device various types of measurement relaxation measured by radio resource management. The type of measurement relaxation includes periodic measurement information, measurement information of downlink reference signals, measurement information of the number of cells, measurement information of frequency points, and the like.

In a possible implementation manner of the first aspect, the type of measurement relaxation includes relaxation of the measurement period of the serving cell, and the measurement period of the relaxation of the serving cell may refer to measuring the serving cell with the first cycle, and the terminal device entering the measurement relaxation state will The measurement of the reference signal of the serving cell is performed in the first cycle, the radio link failure information includes the first cycle, and/or the radio link failure information includes the ratio T2/T1 of T2 and T1. T2/T1 represents the magnification of the measurement period. According to the magnification and the value of T1, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

In the embodiment of the present application, the type of measurement relaxation indicated in the radio link failure information is relaxation of the measurement period of the serving cell, and the specific value of the first period after the measurement relaxation can be further sent in the radio link failure information. The network device can not only know that the type of measurement relaxation performed by the terminal device for the radio resource management measurement is the measurement cycle of the relaxed serving cell, but also the value of the measurement cycle in the measurement relaxation state, so as to perform configuration optimization according to this value to ensure the terminal device's Energy efficient performance and mobility.

In a possible implementation manner of the first aspect, the type of measurement relaxation includes relaxing the measurement period of the neighbor cell, and relaxing the measurement period of the neighbor cell may refer to measuring the neighbor cell with the second cycle, and the terminal device entering the measurement relaxation state will The measurement of the reference signal of the neighboring cell is performed in the second period, the radio link failure information includes the second period, and/or the radio link failure information includes the ratio T4/T3 of T4 and T3. T4/T3 represents the magnification of the measurement period. According to the magnification and the value of T3, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

In the embodiment of the present application, the radio link failure information indicates that the type of measurement relaxation is to relax the measurement period of the neighboring cell, and the specific value of the second period after the measurement relaxation can be further sent in the radio link failure information. The network device can not only know that the type of measurement relaxation performed by the terminal device for the radio resource management measurement is to relax the measurement cycle of the neighboring cell, but also the value of the measurement cycle in the measurement relaxation state, so as to perform configuration adjustment according to this value to ensure the Energy efficient performance and mobility.

In a possible implementation manner of the first aspect, the type of measurement relaxation includes relaxing the measurement quantity of the downlink reference signal of the serving cell, and relaxing the measurement quantity of the downlink reference signal of the serving cell refers to reducing the measurement of the downlink reference signal of the serving cell quantity. For example, a terminal device that is not in the measurement relaxed state measures M downlink reference signals of the serving cell, and a terminal device that enters the measurement relaxed state measures N downlink reference signals of the serving cell, where N is less than M. When the type of measurement relaxation includes the measurement quantity of downlink reference signals of the relaxed serving cell, the radio link failure information may further include indices of the N first downlink reference signals. The index information may be represented by a set. For example, the index set includes N elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of N, where the value of N represents the number of the first downlink reference signals measured in the measurement relaxed state.

In the embodiment of the present application, by indicating that the type of measurement relaxation is the measurement quantity of downlink reference signals of the relaxation serving cell in the radio link failure information, the downlink reference signal measured after the measurement relaxation can be further sent in the radio link failure information. numerical value. The network device can not only know the measurement quantity of downlink reference signals of the serving cell whose type of measurement relaxation performed by the terminal device is to relax the serving cell, but also know the value of the measurement quantity in the measurement relaxation state, so as to perform configuration adjustment according to this value, Ensure the energy-saving performance and mobility of terminal equipment.

In a possible implementation manner of the first aspect, the type of measurement relaxation includes relaxing the measurement quantity of the downlink reference signals of the adjacent cells, and relaxing the measurement quantity of the downlink reference signals of the adjacent cells refers to reducing the measurement of the downlink reference signals of the adjacent cells quantity. For example, a terminal device that is not in the measurement relaxed state measures P downlink reference signals of neighboring cells, and a terminal device that enters the measurement relaxed state measures Q downlink reference signals of neighboring cells, where Q is less than P. When the type of measurement relaxation includes the measurement quantity of the downlink reference signals of the adjacent cells to be relaxed, the radio link failure information may further include indexes of the Q second downlink reference signals. The index information may be represented by a set. For example, the index set includes Q elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of Q, where the value of Q represents the number of second downlink reference signals measured in the measurement relaxed state.

In this embodiment of the present application, the type of measurement relaxation indicated in the radio link failure information is the measurement quantity of the downlink reference signals of the adjacent cells, and the downlink reference signal measured after the measurement relaxation can be further sent in the radio link failure information. numerical value. The network device can not only know the measurement quantity of the downlink reference signal of the neighbor cell where the type of measurement relaxation performed by the terminal equipment is to relax the measurement of the radio resource management measurement, but also know the value of the measurement quantity in the measurement relaxation state, so as to perform configuration adjustment according to this value, Ensure the energy-saving performance and mobility of terminal equipment.

In a possible implementation manner of the first aspect, the type of measurement relaxation includes the measurement quantity of the relaxed cells, and the measurement quantity of the relaxed cells refers to the reduction of the measurement number of cells. For example, a terminal device that is not in a measurement relaxed state measures reference signals of M cells, and a terminal device that enters a measurement relaxed state measures reference signals of N cells, where N is less than M. The cell measured by the terminal device in the measurement relaxed state may be referred to as the first cell. The radio link failure information may also include an identifier of the measured first cell.

In this embodiment of the present application, the radio link failure information indicates that the type of measurement relaxation is the measurement quantity of the relaxed cell, and the identification of the cell to be measured after the measurement relaxation can be further sent in the radio link failure information. The network device can not only know the measurement relaxation type of the terminal device performing the radio resource management measurement is the measurement number of the relaxed cell, but also know the identification of the cell measured in the measurement relaxation state, so as to perform configuration adjustment according to this value to ensure the terminal device's measurement relaxation. Energy efficient performance and mobility.

In a possible implementation manner of the first aspect, the type of measurement relaxation includes the measurement number of relaxation frequency points, and the measurement number of relaxation frequency points refers to reducing the number of frequency points to be measured. For example, a terminal device that is not in a measurement relaxation state performs measurement on M frequency points, and a terminal device that enters a measurement relaxation state performs measurement on N frequency points. The frequency point measured by the terminal device in the measurement relaxation state may be referred to as the first frequency point. When the type of measurement relaxation includes the measurement number of the relaxation frequency points, the radio link failure information may further include information of the first frequency point.

In this embodiment of the present application, the type of measurement relaxation indicated in the wireless link failure information is the measurement quantity of the relaxation frequency points, and the information of the frequency points measured after the measurement relaxation can be further sent in the wireless link failure information. The network device can not only know the measurement relaxation type of the wireless resource management measurement performed by the terminal device is the measurement number of the relaxation frequency points, but also know the information of the frequency points measured in the measurement relaxation state, so as to perform configuration adjustment according to this value to ensure that the terminal device Energy-efficient performance and mobility of equipment.

In a possible implementation manner of the first aspect, the terminal device may receive first indication information sent by the network device, where the first indication information is used to instruct the terminal device to send measurement relaxation information. At this time, whether the terminal device reports the measurement relaxation information may be determined according to the specific requirements of the network device. When the network device instructs the terminal device to report, the terminal device sends the corresponding measurement relaxation information.

In a second aspect, a communication method is provided. The communication method can be performed by a network device. The method includes: the network device sends measurement configuration information to a terminal device, where the measurement configuration information is used by the terminal device to perform radio resource management measurement according to the measurement configuration information. . The radio resource management measurement is a measurement based on the mobility of the terminal equipment, including idle state measurement and connected state measurement, and a measurement result can be generated during the radio resource management measurement process. In the RRM measurement, if the measurement samples are reduced, the measurement power consumption can be reduced, and this process can be called measurement relaxation. The network device receives the radio link failure information sent by the terminal device, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is a measurement relaxation result and/or measurement type of relaxation.

In this embodiment of the present application, whether the radio resource management measurement has undergone measurement relaxation is indicated by adding measurement relaxation information. When the RRM measurement has undergone measurement relaxation, the measurement conditions causing the radio link failure may be optimized according to the measurement relaxation information. For example, the terminal device may optimize the measurement relaxation related parameters based on the measurement relaxation information. The type of measurement relaxation can also be specifically indicated by adding measurement relaxation information, so that the network device can perform directional optimization for this type of measurement relaxation, thereby ensuring the mobility performance of the terminal device.

In a possible implementation manner of the second aspect, the type of measurement relaxation includes one or more of the following: relaxation of the measurement period of the serving cell, relaxation of the measurement period of the neighboring cell, relaxation of the measurement number of downlink reference signals of the serving cell, The measurement quantity of the downlink reference signal of the relaxed neighbor cell, the measurement quantity of the relaxed cell, or the measurement quantity of the relaxed frequency point are relaxed.

In this embodiment of the present application, the measurement relaxation information reported by the terminal device includes the type of measurement relaxation. Through the measurement relaxation information, the terminal device can indicate to the network device various types of measurement relaxation measured by radio resource management. The type of measurement relaxation includes periodic measurement information, measurement information of downlink reference signals, measurement information of the number of cells, lateral information of frequency points, and the like.

In a possible implementation manner of the second aspect, the type of measurement relaxation includes relaxation of the measurement period of the serving cell, and the measurement period of the relaxation of the serving cell may refer to measuring the serving cell in the first period, and the terminal device entering the measurement relaxation state will The measurement of the reference signal of the serving cell is performed in the first cycle, the radio link failure information includes the first cycle, and/or the radio link failure information includes the ratio T2/T1 of T2 and T1. T2/T1 represents the magnification of the measurement period. According to the magnification and the value of T1, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

In the embodiment of the present application, the type of measurement relaxation indicated in the radio link failure information is relaxation of the measurement period of the serving cell, and the specific value of the first period after the measurement relaxation can be further sent in the radio link failure information. The network device can not only know that the type of measurement relaxation performed by the terminal device for the radio resource management measurement is to relax the measurement period of the serving cell, but also know the value of the measurement period in the measurement relaxation state, so as to perform configuration adjustment according to this value to ensure that the terminal device's measurement period is relaxed. Energy efficient performance and mobility.

In a possible implementation manner of the second aspect, the type of measurement relaxation includes relaxing the measurement period of the neighbor cell, and relaxing the measurement period of the neighbor cell may refer to measuring the neighbor cell with the first cycle, and the terminal device entering the measurement relaxation state will The measurement of the reference signal of the neighboring cell is performed in the second period, the radio link failure information includes the second period, and/or the radio link failure information includes the ratio T4/T3 of T4 and T3. T4/T3 represents the magnification of the measurement period. According to the magnification and the value of T3, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

In a possible implementation manner of the second aspect, the type of measurement relaxation includes relaxation of the measurement quantity of downlink reference signals of the serving cell, and relaxation of the measurement quantity of downlink reference signals of the serving cell refers to reducing the measurement of downlink reference signals of the serving cell quantity. For example, a terminal device that is not in the measurement relaxed state measures M downlink reference signals of the serving cell, and a terminal device that enters the measurement relaxed state measures N downlink reference signals of the serving cell, where N is less than M. When the type of measurement relaxation includes the measurement quantity of downlink reference signals of the relaxed serving cell, the radio link failure information may further include indices of the N first downlink reference signals. The index information may be represented by a set. For example, the index set includes N elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of N, where the value of N represents the number of the first downlink reference signals measured in the measurement relaxed state.

In a possible implementation manner of the second aspect, the type of measurement relaxation includes relaxing the measurement quantity of the downlink reference signals of the adjacent cells, and relaxing the measurement quantity of the downlink reference signals of the adjacent cells refers to reducing the measurement of the downlink reference signals of the adjacent cells quantity. For example, a terminal device that is not in the measurement relaxed state measures P downlink reference signals of neighboring cells, and a terminal device that enters the measurement relaxed state measures Q downlink reference signals of neighboring cells, where Q is less than P. When the type of measurement relaxation includes relaxation of the measurement quantity of downlink reference signals of neighboring cells, the radio link failure information may further include indexes of the Q second downlink reference signals. The index information may be represented by a set. For example, the index set includes Q elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of Q, where the value of Q represents the number of second downlink reference signals measured in the measurement relaxed state.

In a possible implementation manner of the second aspect, the type of measurement relaxation includes the measurement quantity of the relaxed cells, and the measurement quantity of the relaxed cells refers to the reduction of the measurement quantity of the cells. For example, a terminal device that is not in a measurement relaxed state measures reference signals of M cells, and a terminal device that enters a measurement relaxed state measures reference signals of N cells, where N is less than M. The cell measured by the terminal device in the measurement relaxed state may be referred to as the first cell. The radio link failure information may also include an identifier of the measured first cell.

In a possible implementation manner of the second aspect, the type of measurement relaxation includes the measurement number of relaxation frequency points, and the measurement number of relaxation frequency points refers to reducing the number of frequency points to be measured. For example, a terminal device that is not in a measurement relaxation state performs measurement on M frequency points, and a terminal device that enters a measurement relaxation state performs measurement on N frequency points. The frequency point measured by the terminal device in the measurement relaxation state may be referred to as the first frequency point. When the type of measurement relaxation includes the measurement number of the relaxation frequency points, the radio link failure information may further include information of the first frequency point.

In a possible implementation manner of the second aspect, the network device may send first indication information to the terminal device, where the first indication information is used to instruct the terminal device to send measurement relaxation information. At this time, whether the terminal device reports the measurement relaxation information may be determined according to the specific requirements of the network device.

In a third aspect, a communication method is provided, the communication method can be performed by a terminal device, the method includes: the terminal device determines to minimize drive test information. Minimizing drive tests can be understood as a measurement reporting process. The terminal device may perform radio resource management measurement on the serving cell and/or the neighboring cell based on mobility requirements, and the measurement result of the radio resource management may be sent to the network device by minimizing the drive test information. Wherein, the minimized drive test information includes the measurement results of m downlink reference signals of neighboring cells and the indices of m downlink reference signals, the m downlink reference signals belong to n downlink reference signals, and the n downlink reference signals are the measured downlink reference signals. For the downlink reference signal of the neighboring cell, m and n are both natural numbers. The terminal equipment sends the minimum drive test information to the network equipment.

In this embodiment of the present application, the minimized drive test information includes indices of m downlink reference signals. By sending the indices of m downlink reference signals in the minimization drive test information, the beam-level measurement results are reported. Measurement relaxation for beam measurements can be optimized based on beam level measurements.

In a possible implementation manner of the third aspect, the terminal device may receive first indication information, where the first indication information is used to determine m downlink reference signals.

In this embodiment of the present application, the first indication information may be sent by a network device, and the terminal device determines the value of m according to the indication of the first indication information, so as to determine the number of downlink reference signals for which measurement results are to be reported and which downlink reference signals to report measurement results. By sending the first indication information to the terminal device, the network device can indicate the downlink reference signal reported by the terminal device that meets the specific requirement, so that the measurement relaxation of the beam measurement can be optimized.

In a possible implementation manner of the third aspect, the first indication information is used to indicate a first threshold, and the m downlink reference signals are downlink reference signals whose measurement results are greater than or equal to the first threshold among the n downlink reference signals . The first threshold may be set according to the measurement parameter of the downlink reference signal. The measurement of the downlink reference signal may include measurement of one or more of the following parameters: reference signal received power, reference signal received quality, or signal-to-interference-to-noise ratio. The larger the value of the above parameters, the better the measurement result, and the better the quality of the beam.

In this embodiment of the present application, the first indication information indicates a first threshold, and the measurement results of downlink reference signals are screened by the first threshold, and the measurement results and index information of downlink reference signals with good measurement results can be selected and reported to the network device. The device can establish an association relationship between the serving cell's beam and the neighboring cell's beam according to the information, thereby optimizing the measurement relaxation at the beam level.

In a possible implementation manner of the third aspect, the first indication information is used to indicate the value of m. The measurement results of the n downlink reference signals measured by the terminal device are sorted in descending order, and the measurement results of the top m downlink reference signals are sent to the network device.

In the embodiment of the present application, the first indication information indicates the value of m, and the measurement result of the downlink reference signal is screened by the value of m, and the measurement result and index information of the downlink reference signal with good measurement results can be selected and reported to the network device. The device can establish an association relationship between the serving cell's beam and the neighboring cell's beam according to the information, thereby optimizing the measurement relaxation at the beam level.

In a possible implementation manner of the third aspect, the first indication information is further used to instruct the terminal device to send indices of the m downlink reference signals.

In the embodiment of the present application, when the first indication information instructs the terminal device to report the index of the second downlink reference signal, the terminal device will send the index information corresponding to the measurement result of each downlink reference signal to the network device according to the instruction of the network device. Otherwise, the terminal device may choose to only report the average measurement result of each downlink reference signal without sending the index information.

In a possible implementation manner of the third aspect, the minimized drive test information is measurement information of an idle state terminal device and/or an inactive state terminal device. The terminal device in the connected state can report the measurement result through the Immediate MDT mechanism in the minimized drive test, and the terminal device in the idle or inactive state can report the measurement result through the Logged MDT mechanism in the minimized drive test.

In a fourth aspect, a communication method is provided, the communication method can be performed by a network device, and the method includes: the network device sends the minimum drive test configuration information, which is used to instruct the terminal device to send the minimum drive test configuration information according to the minimum drive test configuration information. road test information. The network device receives the minimization drive test information, and the minimization drive test can be understood as a measurement reporting process. The terminal device may perform radio resource management measurement on the serving cell and/or the neighboring cell based on mobility requirements, and the measurement result of the radio resource management may be sent to the network device by minimizing the drive test information. Wherein, the minimization drive test information includes measurement results of m downlink reference signals of neighboring cells and indexes of the m downlink reference signals, the m downlink reference signals belong to n downlink reference signals, and the n downlink reference signals The signal is the measured downlink reference signal of the neighbor cell, and both m and n are natural numbers.

In a possible implementation manner of the fourth aspect, the network device may send first indication information, where the first indication information is used to determine m downlink reference signals.

In a possible implementation manner of the fourth aspect, the first indication information is used to indicate a first threshold, and the m downlink reference signals are downlink references that are greater than or equal to the first threshold in the measurement results of the n downlink reference signals Signal. The first threshold may be set according to the measurement parameter of the downlink reference signal. The measurement of the downlink reference signal may include measurement of one or more of the following parameters: reference signal received power, reference signal received quality, or signal-to-interference-to-noise ratio. The larger the value of the above parameters, the better the measurement result, and the better the quality of the beam.

In a possible implementation manner of the fourth aspect, the first indication information is used to indicate the value of m. The measurement results of the n downlink reference signals measured by the terminal device are sorted in descending order, and the measurement results of the top m downlink reference signals are sent to the network device.

In a possible implementation manner of the fourth aspect, the first indication information is further used to instruct the terminal device to send indices of the m downlink reference signals.

In a possible implementation manner of the fourth aspect, the minimized drive test information is measurement information of an idle state terminal device and/or an inactive state terminal device. The terminal device in the connected state can report the measurement result through the Immediate MDT mechanism in the minimized drive test, and the terminal device in the idle state or inactive state can report the measurement result through the Logged MDT mechanism in the minimized drive test. result.

In a fifth aspect, a communication apparatus is provided, the communication apparatus may be a terminal device, and includes: a processing module configured to perform radio resource management measurement. The radio resource management measurement is a measurement based on the mobility of the terminal equipment, including idle state measurement and connected state measurement, and a measurement result can be generated during the radio resource management measurement process. In the RRM measurement, if the measurement samples are reduced, the measurement power consumption can be reduced, and this process can be called measurement relaxation. The communication device further includes a transceiver module for sending radio link failure information, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is measurement relaxation Results and/or type of measurement relaxation.

In this embodiment of the present application, whether the radio resource management measurement has undergone measurement relaxation is indicated by adding measurement relaxation information. When the RRM measurement has undergone measurement relaxation, the measurement conditions causing the radio link failure may be optimized according to the measurement relaxation information. For example, the network device may optimize the measurement relaxation related parameters based on the measurement relaxation information. The type of measurement relaxation can also be specifically indicated by adding measurement relaxation information, so that the network device can perform directional optimization for this type of measurement relaxation, thereby ensuring the mobility performance of the terminal device.

In a possible implementation manner of the fifth aspect, the type of measurement relaxation includes one or more of the following: relaxation of the measurement period of the serving cell, relaxation of the measurement period of the neighboring cell, relaxation of the measurement number of downlink reference signals of the serving cell, The measurement quantity of the downlink reference signal of the relaxed neighbor cell, the measurement quantity of the relaxed cell, or the measurement quantity of the relaxed frequency point are relaxed.

In a possible implementation manner of the fifth aspect, the type of measurement relaxation includes relaxation of the measurement period of the serving cell, and the measurement period of the relaxation of the serving cell may refer to measuring the serving cell in the first cycle, and the terminal device entering the measurement relaxation state will The measurement of the reference signal of the serving cell is performed in the first cycle, the radio link failure information includes the first cycle, and/or the radio link failure information includes the ratio T2/T1 of T2 and T1. T2/T1 represents the magnification of the measurement period. According to the magnification and the value of T1, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

In a possible implementation manner of the fifth aspect, the type of measurement relaxation includes relaxing the measurement period of the neighbor cell, and relaxing the measurement period of the neighbor cell may refer to measuring the neighbor cell in the first cycle, and the terminal device entering the measurement relaxation state will The measurement of the reference signal of the neighboring cell is performed in the second period, the radio link failure information includes the second period, and/or the radio link failure information includes the ratio T4/T3 of T4 and T3. T4/T3 represents the magnification of the measurement period. According to the magnification and the value of T3, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

In a possible implementation manner of the fifth aspect, the type of measurement relaxation includes relaxation of the measurement quantity of downlink reference signals of the serving cell, and relaxation of the measurement quantity of downlink reference signals of the serving cell refers to reducing the measurement of downlink reference signals of the serving cell quantity. For example, a terminal device that is not in the measurement relaxed state measures M downlink reference signals of the serving cell, and a terminal device that enters the measurement relaxed state measures N downlink reference signals of the serving cell, where N is less than M. When the type of measurement relaxation includes the measurement quantity of downlink reference signals of the relaxed serving cell, the radio link failure information may further include indices of the N first downlink reference signals. The index information may be represented by a set. For example, the index set includes N elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of N, where the value of N represents the number of the first downlink reference signals measured in the measurement relaxed state.

In a possible implementation manner of the fifth aspect, the type of measurement relaxation includes relaxing the measurement quantity of the downlink reference signals of the adjacent cells, and relaxing the measurement quantity of the downlink reference signals of the adjacent cells refers to reducing the measurement of the downlink reference signals of the adjacent cells quantity. For example, a terminal device that is not in the measurement relaxed state measures P downlink reference signals of neighboring cells, and a terminal device that enters the measurement relaxed state measures Q downlink reference signals of neighboring cells, where Q is less than P. When the type of measurement relaxation includes relaxation of the measurement quantity of downlink reference signals of neighboring cells, the radio link failure information may further include indexes of the Q second downlink reference signals. The index information can be represented by a set, for example, the index set includes Q elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of Q, where the value of Q represents the number of second downlink reference signals measured in the measurement relaxed state.

In a possible implementation manner of the fifth aspect, the type of measurement relaxation includes the measurement number of the relaxed cells, and the measurement number of the relaxed cells refers to reducing the number of cells to be measured. For example, a terminal device that is not in a measurement relaxed state measures reference signals of M cells, and a terminal device that enters a measurement relaxed state measures reference signals of N cells, where N is less than M. The cell measured by the terminal device in the measurement relaxed state may be referred to as the first cell. The radio link failure information may also include an identifier of the measured first cell.

In a possible implementation manner of the fifth aspect, the type of measurement relaxation includes the measurement number of relaxation frequency points, and the measurement number of relaxation frequency points refers to reducing the number of frequency points to be measured. For example, a terminal device that is not in a measurement relaxation state performs measurement on M frequency points, and a terminal device that enters a measurement relaxation state performs measurement on N frequency points. The frequency point measured by the terminal device in the measurement relaxation state may be referred to as the first frequency point. When the type of measurement relaxation includes the measurement number of the relaxation frequency points, the radio link failure information may further include information of the first frequency point.

In a possible implementation manner of the fifth aspect, the transceiver module of the terminal device may be configured to receive first indication information sent by the network device, where the first indication information is used to instruct the terminal device to send measurement relaxation information. At this time, whether the terminal device reports the measurement relaxation information may be determined according to the specific requirements of the network device. When the network device instructs the terminal device to report, the terminal device sends the corresponding measurement relaxation information.

In a sixth aspect, a communication apparatus is provided, which may be a network device, and includes: a sending module configured to send measurement configuration information, where the measurement configuration information is used to perform radio resource management measurement according to the measurement configuration information. The radio resource management measurement is a measurement based on the mobility of the terminal equipment, including idle state measurement and connected state measurement, and a measurement result can be generated during the radio resource management measurement process. In the RRM measurement, if the measurement samples are reduced, the measurement power consumption can be reduced, and this process can be called measurement relaxation. The communication device further includes a receiving module configured to receive radio link failure information, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is measurement relaxation Results and/or type of measurement relaxation.

In a possible implementation manner of the sixth aspect, the type of measurement relaxation includes one or more of the following: relaxation of the measurement period of the serving cell, relaxation of the measurement period of the neighboring cell, relaxation of the measurement number of downlink reference signals of the serving cell, The measurement quantity of the downlink reference signal of the relaxed neighbor cell, the measurement quantity of the relaxed cell, or the measurement quantity of the relaxed frequency point are relaxed.

In a possible implementation manner of the sixth aspect, the type of measurement relaxation includes relaxation of the measurement period of the serving cell, and the measurement period of the relaxation of the serving cell may refer to measuring the serving cell in the first cycle, and the terminal device entering the measurement relaxation state will The measurement of the reference signal of the serving cell is performed in the first cycle, the radio link failure information includes the first cycle, and/or the radio link failure information includes the ratio T2/T1 of T2 and T1. T2/T1 represents the magnification of the measurement period. According to the magnification and the value of T1, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

In a possible implementation manner of the sixth aspect, the type of measurement relaxation includes relaxing the measurement period of the neighbor cell, and relaxing the measurement period of the neighbor cell may refer to measuring the neighbor cell with the first cycle, and the terminal device entering the measurement relaxation state will The measurement of the reference signal of the neighboring cell is performed in the second period, the radio link failure information includes the second period, and/or the radio link failure information includes the ratio T4/T3 of T4 and T3. T4/T3 represents the magnification of the measurement period. According to the magnification and the value of T3, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

In a possible implementation manner of the sixth aspect, the type of measurement relaxation includes relaxation of the measurement quantity of downlink reference signals of the serving cell, and relaxation of the measurement quantity of downlink reference signals of the serving cell refers to reducing the measurement of downlink reference signals of the serving cell quantity. For example, a terminal device that is not in the measurement relaxed state measures M downlink reference signals of the serving cell, and a terminal device that enters the measurement relaxed state measures N downlink reference signals of the serving cell, where N is less than M. When the type of measurement relaxation includes the measurement quantity of downlink reference signals of the relaxed serving cell, the radio link failure information may further include indices of the N first downlink reference signals. The index information may be represented by a set, for example, the index set includes N elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of N, where the value of N represents the number of the first downlink reference signals measured in the measurement relaxed state.

In a possible implementation manner of the sixth aspect, the type of measurement relaxation includes relaxing the measurement quantity of the downlink reference signals of the adjacent cells, and relaxing the measurement quantity of the downlink reference signals of the adjacent cells refers to reducing the measurement of the downlink reference signals of the adjacent cells quantity. For example, a terminal device that is not in the measurement relaxed state measures P downlink reference signals of neighboring cells, and a terminal device that enters the measurement relaxed state measures Q downlink reference signals of neighboring cells, where Q is less than P. When the type of measurement relaxation includes relaxation of the measurement quantity of downlink reference signals of neighboring cells, the radio link failure information may further include indexes of the Q second downlink reference signals. The index information may be represented by a set. For example, the index set includes Q elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of Q, where the value of Q represents the number of second downlink reference signals measured in the measurement relaxed state.

In a possible implementation manner of the sixth aspect, the type of measurement relaxation includes the measurement quantity of the relaxed cells, and the measurement quantity of the relaxed cells refers to the reduction of the measurement quantity of the cells. For example, a terminal device that is not in a measurement relaxed state measures reference signals of M cells, and a terminal device that enters a measurement relaxed state measures reference signals of N cells, where N is less than M. The cell measured by the terminal device in the measurement relaxed state may be referred to as the first cell. The radio link failure information may also include an identifier of the measured first cell.

In a possible implementation manner of the sixth aspect, the type of measurement relaxation includes the measurement number of relaxation frequency points, and the measurement number of relaxation frequency points refers to reducing the number of frequency points to be measured. For example, a terminal device that is not in a measurement relaxation state performs measurement on M frequency points, and a terminal device that enters a measurement relaxation state performs measurement on N frequency points. The frequency point measured by the terminal device in the measurement relaxation state may be referred to as the first frequency point. When the type of measurement relaxation includes the measurement number of the relaxation frequency points, the radio link failure information may further include information of the first frequency point.

In a possible implementation manner of the sixth aspect, the sending module of the network device may be configured to send first indication information to the terminal device, where the first indication information is used to instruct the terminal device to send measurement relaxation information. At this time, whether the terminal device reports the measurement relaxation information may be determined according to the specific requirements of the network device.

In a seventh aspect, a communication apparatus is provided, the communication apparatus may be a terminal device, and includes: a processing module configured to determine minimum drive test information, and the minimum drive test can be understood as a measurement reporting process. The terminal device may perform radio resource management measurement on the serving cell and/or the neighboring cell based on mobility requirements, and the measurement result of the radio resource management may be sent to the network device by minimizing the drive test information. The minimum drive test information includes measurement results of m downlink reference signals of neighboring cells and indexes of the m downlink reference signals, the m downlink reference signals belong to n downlink reference signals, and the n downlink reference signals The downlink reference signal is the measured downlink reference signal of the neighbor cell, and both m and n are natural numbers. It also includes a transceiver module for sending the minimum drive test information.

In a possible implementation manner of the seventh aspect, the transceiver module may also be configured to receive first indication information, where the first indication information is used to determine m downlink reference signals.

In a possible implementation manner of the seventh aspect, the first indication information is used to indicate a first threshold, and the m downlink reference signals are downlink references that are greater than or equal to the first threshold in the measurement results of the n downlink reference signals Signal. The first threshold may be set according to the measurement parameter of the downlink reference signal. The measurement of the downlink reference signal may include measurement of one or more of the following parameters: reference signal received power, reference signal received quality, or signal-to-interference-to-noise ratio. The larger the value of the above parameters, the better the measurement result, and the better the quality of the beam.

In a possible implementation manner of the seventh aspect, the first indication information is used to indicate the value of m. The measurement results of the n downlink reference signals measured by the terminal device are sorted in descending order, and the measurement results of the top m downlink reference signals are sent to the network device.

In a possible implementation manner of the seventh aspect, the first indication information is further used to instruct the terminal device to send indices of the m downlink reference signals.

In a possible implementation manner of the seventh aspect, the minimized drive test information is measurement information of an idle state terminal device and/or an inactive state terminal device. The terminal device in the connected state can report the measurement result through the Immediate MDT mechanism in the minimized drive test, and the terminal device in the idle state or inactive state can report the measurement result through the Logged MDT mechanism in the minimized drive test. result.

In an eighth aspect, a communication apparatus is provided, the communication apparatus may be a network device, comprising: a sending module, configured to send minimum drive test configuration information, and used to instruct a terminal device to send the minimum drive test configuration information according to the minimum drive test configuration information road test information. The network device receives the minimization drive test information, and the minimization drive test can be understood as a measurement reporting process. The terminal device may perform radio resource management measurement on the serving cell and/or the neighboring cell based on mobility requirements, and the measurement result of the radio resource management may be sent to the network device by minimizing the drive test information. Wherein, the minimized drive test information includes measurement results of m downlink reference signals of neighboring cells and indexes of the m downlink reference signals. It also includes a receiving module for receiving the minimization drive test information, where the minimization drive test information includes the measurement results of m downlink reference signals of neighboring cells and the indices of the m downlink reference signals, and the m downlink reference signals belong to n Downlink reference signals, the n downlink reference signals are the measured downlink reference signals of the neighboring cell, and m and n are both natural numbers.

In a possible implementation manner of the eighth aspect, the sending module may also be configured to send first indication information, where the first indication information is used to determine m downlink reference signals.

In a possible implementation manner of the eighth aspect, the first indication information is used to indicate a first threshold, and the m downlink reference signals are downlink reference signals greater than or equal to the first threshold in the measurement results of the n downlink reference signals Signal. The first threshold may be set according to the measurement parameter of the downlink reference signal. The measurement of the downlink reference signal may include measurement of one or more of the following parameters: reference signal received power, reference signal received quality, or signal-to-interference-to-noise ratio. The larger the value of the above parameters, the better the measurement result, and the better the quality of the beam.

In a possible implementation manner of the eighth aspect, the first indication information is used to indicate the value of m. The measurement results of the n downlink reference signals measured by the terminal device are sorted in descending order, and the measurement results of the top m downlink reference signals are sent to the network device.

In a possible implementation manner of the eighth aspect, the first indication information is further used to instruct the terminal device to send indices of the m downlink reference signals.

In a possible implementation manner of the eighth aspect, the minimized drive test information is measurement information of an idle state terminal device and/or an inactive state terminal device. The terminal device in the connected state can report the measurement result through the Immediate MDT mechanism in the minimized drive test, and the terminal device in the idle state or inactive state can report the measurement result through the Logged MDT mechanism in the minimized drive test. result.

A ninth aspect provides a computer-readable storage medium comprising instructions that, when run on a computer, cause the computer to perform the method of implementing any possible implementation of the first aspect.

A tenth aspect provides a computer-readable storage medium comprising instructions that, when run on a computer, cause the computer to perform the method of implementing any possible implementation of the second aspect.

An eleventh aspect provides a computer-readable storage medium comprising instructions which, when run on a computer, cause the computer to perform the method in any possible implementation of the third aspect.

A twelfth aspect provides a computer-readable storage medium comprising instructions that, when run on a computer, cause the computer to perform the method of implementing any possible implementation of the fourth aspect.

A thirteenth aspect provides a communication apparatus, the communication apparatus includes a memory and a processor, the memory is used for storing instructions, the processor is used for executing the instructions stored in the memory, and processing the instructions stored in the memory Execution causes the processor to execute the method in any possible implementation of the first aspect.

A fourteenth aspect provides a communication device, the communication device includes a memory and a processor, the memory is used for storing instructions, the processor is used for executing the instructions stored in the memory, and processing the instructions stored in the memory. Execution causes the processor to perform the method in any possible implementation of the second aspect.

A fifteenth aspect provides a communication apparatus, the communication apparatus includes a memory and a processor, the memory is used for storing instructions, the processor is used for executing the instructions stored in the memory, and processing the instructions stored in the memory Execution causes the processor to execute the method in any possible implementation manner of the third aspect.

A sixteenth aspect provides a communication apparatus, the communication apparatus includes a memory and a processor, the memory is used for storing instructions, the processor is used for executing the instructions stored in the memory, and processing the instructions stored in the memory. Execution causes the processor to execute the method in any possible implementation manner of the fourth aspect.

A seventeenth aspect provides a communication system, including the communication device of the fifth aspect and the communication device of the seventh aspect.

An eighteenth aspect provides a communication system, including the communication device of the sixth aspect and the communication device of the eighth aspect.

A nineteenth aspect provides a computer program product comprising instructions, the computer program product is used to store a computer program, when the computer program is run on a computer, the computer causes the computer to execute any possible method of the first aspect above method in the implementation.

A twentieth aspect provides a computer program product comprising instructions, the computer program product is used to store a computer program, and when the computer program is run on a computer, the computer causes the computer to execute any possible method of the second aspect above. method in the implementation.

A twenty-first aspect provides a computer program product comprising instructions, the computer program product is used to store a computer program, when the computer program is run on a computer, the computer enables the computer to perform any possibility of the third aspect above method in the implementation.

A twenty-second aspect provides a computer program product containing instructions, the computer program product is used to store a computer program, and when the computer program is run on a computer, the computer enables the computer to perform any possibility of the fourth aspect above method in the implementation.

Description of drawings

FIG. 1 is a schematic diagram of a network architecture to which an embodiment of the present application is applicable;

FIG. 2 is a schematic diagram of another network architecture to which the embodiments of the present application are applicable;

FIG. 3 is a schematic diagram of another network architecture to which the embodiment of the present application is applicable;

4 is a flowchart of a communication method provided by the first embodiment of the present application;

5 is a schematic diagram of an optional RRM measurement sequence provided by the first embodiment of the present application;

6a is a flowchart of a communication method provided by the second embodiment of the present application;

FIG. 6b is a flowchart of another communication method provided by the second embodiment of the present application;

FIG. 7 is a schematic diagram of a scenario provided by the second embodiment of the present application;

8 is a schematic structural diagram of a communication device provided by an embodiment of the present application;

FIG. 9 is another schematic structural diagram of a communication device provided by an embodiment of the present application;

FIG. 10 is another schematic structural diagram of a communication device provided by an embodiment of the present application;

FIG. 11 is another schematic structural diagram of a communication apparatus provided by an embodiment of the present application.

detailed description

The technical solutions in the present application will be described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, but not all, embodiments of the present invention.

First, some terms in the embodiments of the present application are explained to facilitate understanding by those skilled in the art.

(1) Terminal device: It can be a wireless terminal device that can receive scheduling and instruction information of network devices. The wireless terminal device can be a device that provides voice and/or data connectivity to users, or a handheld device with wireless connection function, or Other processing equipment connected to the wireless modem. Terminal equipment can communicate with one or more core networks or the Internet via a radio access network (RAN), and the terminal equipment can be a mobile terminal equipment, such as a mobile phone (or "cellular" phone, mobile phone (mobile phone), computer and data cards, for example, may be portable, pocket-sized, hand-held, computer built-in or vehicle mounted mobile devices that exchange language and/or data with the radio access network. For example, personal communication service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), tablets Computer (Pad), computer with wireless transceiver function and other equipment. Wireless terminal equipment may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station (MS), a remote station, an access point ( access point (AP), remote terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user agent (user agent), subscriber station (SS), user terminal equipment (customer premises equipment, CPE), terminal (terminal), user equipment (user equipment, UE), mobile terminal (mobile terminal, MT), etc. The terminal device may also be a wearable device and a next-generation communication system, for example, a terminal device in a 5G communication system or a terminal device in a future evolved public land mobile network (PLMN).

(2) Network device: It can be a device in a wireless network. For example, a network device can be a radio access network (RAN) node (or device) that connects a terminal device to a wireless network, also known as a base station. . At present, some examples of RAN equipment are: generation Node B (gNodeB), transmission reception point (TRP), evolved Node B (evolved Node B, eNB), wireless network in the 5G communication system Controller (radio network controller, RNC), Node B (Node B, NB), base station controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved NodeB, Or home Node B, HNB), base band unit (base band unit, BBU), or wireless fidelity (wireless fidelity, Wi-Fi) access point (access point, AP), etc. In addition, in a network structure, the network device may include a centralized unit (centralized unit, CU) node, or a distributed unit (distributed unit, DU) node, or a RAN device including a CU node and a DU node. In addition, in other possible cases, the network device may be other devices that provide wireless communication functions for the terminal device. The embodiments of the present application do not limit the specific technology and specific device form adopted by the network device. For convenience of description, in this embodiment of the present application, a device that provides a wireless communication function for a terminal device is referred to as a network device.

(3) Working state of the terminal device: The working state of the terminal device may include a radio resource control (RRC) idle (RRC_IDLE) state, an RRC inactive (Inactive) state, and an RRC connected (RRC_CONNECTED) state. The RRC idle state may be referred to as idle state for short, the RRC inactive state may be referred to as inactive state for short, and the RRC connected state may be referred to as connected state for short. The three working states are described below.

Idle state: After the terminal device accesses the network device through the initial random access process, the network device can store the device parameters of the terminal device. If the terminal device has not communicated with the network device for a long time, the network device will store the device parameters of the terminal device. If the parameter is deleted, the state of the terminal device at this time is the idle state. When in the idle state, the terminal device does not have an RRC connection, and can perform cell selection and reselection, monitor the paging channel, and track area update (TAU). If the terminal device in the idle state needs to communicate with the network device, it needs to initiate the random access procedure again.

Connected state: After the terminal device accesses the network device through the initial random access process, the network device can store the device parameters of the terminal device. During this period, the terminal device can communicate with the network device. The state of the terminal device at this time is is connected. When in the connected state, the terminal device can send and receive dedicated data, and according to the activity of the terminal device, it can save air interface resources and the power of the terminal device through discontinuous reception (DRX).

Inactive state: The terminal device in the inactive state disconnects the RRC connection from the network device, and does not need to continuously monitor downlink data, so as to achieve the same power saving effect as in the idle state, but the terminal device and the network device in the inactive state are both The context information of the terminal device is stored, and when the terminal device needs to enter the connected state, the network device can configure the terminal device in the inactive state to enter the connected state based on the stored context information.

(4) The terms "system" and "network" in the embodiments of the present application may be used interchangeably. "At least one" means one or more, and "plurality" means two or more. "And/or", which describes the association relationship of the associated objects, means that there can be three kinds of relationships, for example, A and/or B, which can mean: the existence of A alone, the existence of A and B at the same time, and the existence of B alone, where A, B can be singular or plural. The character "/" generally indicates that the associated objects are an "or" relationship. "At least one item(s) below" or similar expressions thereof refer to any combination of these items, including any combination of single item(s) or plural items(s). For example "at least one of A, B and C" includes A, B, C, AB, AC, BC or ABC.

And, unless otherwise specified, ordinal numbers such as “first” and “second” mentioned in the embodiments of the present application are used to distinguish multiple objects, and are not used to limit the order, sequence, priority or importance of multiple objects degree. For example, the first threshold and the second threshold are only for distinguishing different thresholds, and do not indicate the difference in priority or importance of the two thresholds.

An optional network architecture applicable to the embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a network architecture to which an embodiment of the present application is applied. As shown in FIG. 1 , the terminal device 130 can be connected to a wireless network to obtain services of an external network (eg, the Internet) through the wireless network, or communicate with other devices through the wireless network, for example, can communicate with other terminal devices. The wireless network includes a radio access network (RAN) device 110 and a core network (core network, CN) device 120, wherein the RAN device 110 is used to access the terminal device 130 to the wireless network, and the CN device 120 is used to connect the terminal device 130 to the wireless network. Manage terminal devices and provide gateways for communication with external networks. It should be understood that the number of each device in the communication system shown in FIG. 1 is only for illustration, and the embodiments of the present application are not limited to this. In practical applications, the communication system may also include more terminal devices 130 and more RAN devices. 110, other devices may also be included.

The CN may include a plurality of CN devices 120. When the network architecture shown in FIG. 1 is suitable for a 5G communication system, the CN devices 120 may be access and mobility management function (AMF) entities, session management Function (session management function, SMF) entity or user plane function (user plane function, UPF) entity, etc. When the network architecture shown in FIG. 1 is applicable to the LTE communication system, the CN device 120 can be a mobility management entity (mobility management entity). entity, MME) and serving gateway (serving gateway, S-GW), etc.

FIG. 2 is a schematic diagram of another network architecture to which this embodiment of the present application is applicable. As shown in Figure 2, the network architecture includes CN equipment, RAN equipment and terminal equipment. The RAN equipment includes a baseband device and a radio frequency device, where the baseband device can be implemented by one node or multiple nodes, and the radio frequency device can be implemented independently from the baseband device, or can be integrated in the baseband device, or some functions Independent integration, some functions are integrated in the baseband device. For example, in an LTE communication system, a RAN equipment (eNB) includes a baseband device and a radio frequency device, wherein the radio frequency device may be arranged remotely relative to the baseband device, for example, a remote radio unit (remote radio unit, RRU) is arranged relative to the BBU remote wireless unit.

The communication between the RAN device and the terminal device follows a certain protocol layer structure. For example, the control plane protocol layer structure may include a radio resource control (RRC) layer, a packet data convergence protocol (packet data convergence protocol, PDCP) layer. , radio link control (radio link control, RLC) layer, media access control (media access control, MAC) layer and physical layer and other protocol layer functions; user plane protocol layer structure can include PDCP layer, RLC layer, MAC layer The functions of protocol layers such as physical layer and physical layer; in a possible implementation, a service data adaptation protocol (SDAP) layer may also be included above the PDCP layer.

A RAN device may implement the functions of protocol layers such as RRC, PDCP, RLC, and MAC by one node, or may implement the functions of these protocol layers by multiple nodes. For example, in an evolved structure, a RAN device may include a CU) and a DU, and multiple DUs may be centrally controlled by one CU. As shown in Figure 2, the CU and DU can be divided according to the protocol layers of the wireless network. For example, the functions of the PDCP layer and above are set in the CU, and the functions of the protocol layers below PDCP, such as the RLC layer and the MAC layer, are set in the DU.

The division of this protocol layer is only an example, and it can also be divided at other protocol layers, for example, at the RLC layer, the functions of the RLC layer and the above protocol layers are set in the CU, and the functions of the protocol layers below the RLC layer are set in the DU; Alternatively, in a certain protocol layer, for example, some functions of the RLC layer and functions of the protocol layers above the RLC layer are placed in the CU, and the remaining functions of the RLC layer and the functions of the protocol layers below the RLC layer are placed in the DU. In addition, it can also be divided in other ways, for example, by time delay, the functions whose processing time needs to meet the delay requirements are set in the DU, and the functions that do not need to meet the delay requirements are set in the CU.

In addition, the radio frequency device may be integrated independently, not placed in the DU, may also be integrated in the DU, or partially remote and partially integrated in the DU, which is not limited herein.

FIG. 3 is a schematic diagram of another network architecture to which this embodiment of the present application is applied. Compared with the network architecture shown in Figure 2, in Figure 3, the control plane (CP) and user plane (UP) of the CU can also be separated and divided into different entities for implementation, namely the control plane (CP) CU entity ( That is, the CU-CP entity) and the user plane (user plane, UP) CU entity (that is, the CU-UP entity).

In the above network architecture, the signaling generated by the CU can be sent to the terminal device through the DU, or the signaling generated by the terminal device can be sent to the CU through the DU. The DU may not parse the signaling, but directly encapsulate it through the protocol layer and transparently transmit it to the terminal device or CU. In the following embodiments, if the transmission of such signaling between the DU and the terminal device is involved, at this time, the sending or receiving of the signaling by the DU includes this scenario. For example, the signaling of the RRC or PDCP layer is finally processed as the signaling of the PHY layer and sent to the terminal device, or is converted from the received signaling of the PHY layer. Under this architecture, the signaling of the RRC or PDCP layer can also be considered to be sent by the DU, or sent by the DU and radio frequency loading.

The network architecture shown in Figure 1, Figure 2 or Figure 3 can be applied to various radio access technology (radio access technology, RAT) communication systems, which can be 5G (or new radio (NR)) ) communication system, it can also be a transition system between an LTE communication system and a 5G communication system, the transition system can also be called a 4.5G communication system, and of course it can also be a future communication system following 5G. The network architecture and service scenarios described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute limitations on the technical solutions provided by the embodiments of the present application. The evolution of the network architecture and the emergence of new service scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

The apparatuses in the following embodiments of the present application may be located in terminal equipment or network equipment according to the functions implemented by them. When the above CU-DU structure is adopted, the network device may be a CU node, or a DU node, or a RAN device including a CU node and a DU node.

The related technical features involved in the embodiments of the present application are introduced below. It should be noted that these explanations are for the purpose of making the embodiments of the present application easier to understand, and should not be regarded as limitations on the protection scope claimed by the present application.

1. Minimize the road test

Minimization of Drive-Tests (MDT) is a way for operators to partially replace the traditional drive-test work through measurement and reporting of commercial terminals of contracted users, and to automatically collect terminal measurement data to detect and optimize problems in wireless networks. and faults. MDT is usually used in many fields such as network planning and optimization. MDT can greatly save the workload of manual drive testing, reduce operating costs, and improve service accuracy. The MDT mechanism includes the following categories:

1. Immediate MDT

Immediate MDT is to configure radio access network measurement and terminal device measurement in the connected state. The configuration of terminal device measurement is based on the existing RRC measurement process. When the terminal device reports the measurement report, it can report it together with the current location information.

2. Logged MDT

Logged MDT is that the terminal equipment records the measurement results of the serving cell and neighboring cells, as well as time, coordinates and other information in the idle state. Reestablishment Complete Message) or RRC Connection Setup Complete Message (RRC Connection Setup Complete Message) indicates the network device, and the network device obtains these MDT data through the information query process of the terminal device. Logged MDT reports can include the following:

Serving cell identifier (identifier, ID), serving cell measurement result: the best beam of the serving cell, neighbor cell measurement result: beam level measurement result.

3. RLF report

RLF is a self-adjustment method that occurs when the air interface of the system is abnormal or does not meet expectations. After RLF occurs on the terminal device, the terminal device reports the RLF Report when the terminal device establishes/rebuilds the RRC connection. One way for the terminal device to report the RLF Report is: the terminal device reports the available indication of the RLF Report, the network device sends the RLF Report acquisition request according to the instruction of the terminal device, and the terminal device reports the RLF Report acquisition request to the network device according to the RLF Report acquisition request sent by the network device. . The way that the terminal equipment reports the available indication of the RLF Report is mainly carried in other uplink control signaling, including: RRC connection reconfiguration complete message, RRC connection re-establishment complete message, RRC connection establishment complete message, etc.

The RLF report can be used to obtain timely link interruptions caused by coverage holes and unreasonable parameter settings. The network determines the cause of the link interruption through the collected information such as the signal strength or quality of the serving cell, the signal strength or quality of the neighboring cells, and the geographic location when the wireless link fails, so as to optimize the coverage.

2. Radio Resource Management (RRM) measurement

Mobility management is an important part of wireless mobile communication. It refers to a general term for related content involved in order to ensure that the communication link between the network device and the terminal device is not interrupted due to the movement of the terminal device. According to the state of the terminal device, it can be roughly divided into two parts: idle state mobility management and connected state mobility management. In the idle state, mobility management mainly refers to the process of cell selection/reselection. In the connected state, mobility management mainly refers to cell handover. Whether it is cell selection/reselection or handover, it is based on the results of radio resource management measurements. Therefore radio resource management measurement is the basis of mobility management.

3. Beam

The beam in LTE is a large range, and the beam of LTE corresponds to the range of its communication radiation. However, in NR, the form of coverage is no longer used, but the form of beamforming is used to guide each signal to the best path of the terminal receiver, improve signal strength, avoid signal interference, thereby improving communication quality, and finally through The beam constantly changes direction to achieve coverage of the entire cell. Downlink reference signals used for beam management include:

Idle state: Synchronization Signal and PBCH Block (Synchronization Signal and PBCH Block, SSB);

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

1. Beam measurement

The beam measurement may be a type of RRM measurement. During the beam management process, the terminal device or the network device identifies the beam with good signal strength by measuring the reference signal. In idle mode and connected mode, related measurement reference signals in the uplink and downlink directions are shown in Table 1.

Table 1

	空闲态idle state	连接态connected state
上行up		SRSSRS
下行down	SSBSSB	CSI-RS、SSBCSI-RS, SSB

2. Beam scanning:

In order to expand the beamforming gain, a high-gain directional antenna is usually used to form a narrow beam width, and the narrow beam width is prone to the problem of insufficient coverage. In order to avoid this problem, multiple narrow beams can be used to scan the coverage area in the time domain, so as to meet the coverage requirements in the area.

Beam scanning means that beams are sent and/or received in a predetermined manner during a specific period or time period, for example, beams are transmitted in a predetermined direction with a fixed period to cover a specific space area.

For SSB beams, network equipment transmits beams in different directions at different times through time-division scanning. Through beam training, the terminal equipment selects the SSB with the best signal quality to complete synchronization and system information demodulation, thereby accessing the corresponding cell. In the prior art, a terminal device works under a specific beam selected by the terminal device through beam training. When the specific beam corresponding to the terminal device is scanning, the terminal device can most efficiently receive downlink information sent by the network device and/or send it to the network device. The network device sends uplink information. When other beams are scanned, the terminal device cannot efficiently receive the downlink information sent by the network device.

For example, during the initial access process, the UE needs to synchronize with the system and receive system information. Therefore, a plurality of SSB blocks carrying a primary synchronization signal (Primary Synchronization Signal, PSS), a secondary synchronization signal (Secondary Synchronization Signal, SSS) and a PBCH are used to scan and transmit at a fixed period.

CSI-RS can also use beam scanning technology, but if it wants to cover all predefined beam directions, the overhead is too large, so CSI-RS is based on the location of the served mobile terminal. Centralized delivery. For example, the base station sends one or more "narrow" beams based on the initial access SSB beam range, and the CSI-RS corresponds to the CSI Resource Index (CSI Resource Index, CRI). The terminal equipment measures and reports the CSI-RS reference signal. Based on the measurement results of different CRIs, the base station selects the beam corresponding to the strongest CSI-RS for downlink channel transmission.

The CSI-RS reference signal has many functions, including: for downlink channel measurement, beam management, RRM measurement, radio link management measurement (Radio Link Management, RLM), and time-frequency offset tracking.

4. Measuring relaxation

With the development of mobile communication technology, the power saving requirements of mobile terminals are getting higher and higher, and the energy consumption brought by RRM measurement is an important part of the energy consumption of terminal equipment. The more the number of SSBs, the number of cells, and the number of frequencies measured, the greater the energy consumption of the terminal equipment; the smaller the measurement period, that is, the more measurements performed per unit time, the greater the energy consumption of the terminal equipment.

The power consumption measured by RRM is also affected by the network measurement configuration. Generally speaking, a terminal device needs to obtain a measurement result with relatively high accuracy through multiple measurement samples, so one method to reduce the measurement power consumption is to reduce the measurement samples while ensuring the accuracy. In addition, under certain conditions, some RRM measurements of terminal equipment are not necessary, but consume a lot of terminal equipment power. For example, low-mobility terminal equipment does not have to measure as frequently as high-mobility terminal equipment, reducing the frequency of terminal equipment RRM measurement. Degree is also a direct and effective way to reduce the power consumption of RRM measurement. Therefore, reducing the measurement sample can be called measurement relaxation.

As one of the important scenarios of New Radio (NR), Massive Machine Type Communication (mMTC) has the characteristics of 5G low power consumption, large connection, low latency and high reliability, so it is well adapted to the The business of the Internet of Things can focus on solving the applications of the Internet of Things and vertical industries that cannot be well supported by traditional mobile communications. Low-power consumption and large-connection scenarios are mainly for smart cities, environmental monitoring, smart agriculture, forest fire prevention and other application scenarios that aim at sensing and data collection, featuring small data packets, low power consumption, and massive connections. This type of terminal equipment is widely distributed and has a large number, which not only requires the network to support over 100 billion connections and meet the requirements of the density of 1 million/km2 connections, but also ensures the ultra-low power consumption and ultra-low cost of the terminal. In the mMTC scenario, NR Reduced Capability (REDCAP) has attracted extensive attention. In order to achieve low power consumption and other characteristics, the measurement relaxation of RRM measurement is an important research direction.

The measurement involved in the embodiments of this application may be understood as RRM measurement.

Based on the above description of the relevant features, the technical solutions provided by the embodiments of the present application are briefly introduced below. It should be noted that this is only for better understanding of the core idea of the technical solutions of the embodiments of the present application, and does not represent a limitation on the embodiments of the present application.

Embodiments of the present application provide a communication method and a communication device, which are used to complete a reporting mechanism that minimizes drive tests, thereby enhancing the performance of network planning and optimization. Exemplarily, the communication method provided in this embodiment of the present application may include two possible solutions, which are referred to as solution one and solution two for convenience of description.

In solution 1, the network device sends measurement configuration information to the terminal device, the measurement configuration information is used by the terminal device to perform radio resource management measurement according to the measurement configuration information, and the terminal device can generate a measurement result after performing the radio resource management measurement. Based on the mobility of the terminal device, a radio link failure occurs in the terminal device, and the radio link failure information is sent to the network device. The radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is the result of measurement relaxation, and/or the measurement relaxation type of the measurement result of the radio resource management measurement. By adopting this solution, the radio link failure report can be improved, and the measurement relaxation information can be added to indicate whether the RRM measurement has undergone measurement relaxation. When the RRM measurement result has undergone measurement relaxation, the measurement conditions causing the radio link failure may be optimized according to the measurement relaxation information. For example, the terminal device may optimize the measurement relaxation related parameters based on the measurement relaxation information. The type of measurement relaxation can also be specifically indicated by adding measurement relaxation information, so that the network device can perform directional optimization for this type of measurement relaxation, thereby ensuring the mobility performance of the terminal device.

In solution 2, the network device sends the minimization drive test configuration information to the terminal device, the terminal device determines the minimization drive test information according to the minimization drive test configuration information, and the minimization drive test information includes the measurement of m downlink reference signals of neighboring cells. The result-minimized drive test information may also include indices of the m downlink reference signals, where the m downlink reference signals belong to n downlink reference signals, and the n downlink reference signals are the measured downlink reference signals of the neighboring cell, and m and n are both natural numbers.

With solution 2, the terminal device performs RRM measurement, reports the measurement result in the minimization drive test report, and can report the indices of m downlink reference signals at the same time. By sending the indices of m downlink reference signals in the minimization drive test information, the beam-level measurement results are reported.

The technical solutions provided by the embodiments of the present application will be described in detail below with reference to the first embodiment and the second embodiment.

first embodiment

The first embodiment describes a possible implementation of the communication method based on the first solution above. FIG. 4 is a flowchart of a communication method provided by the first embodiment of the present application. The method includes:

401: The network device sends measurement configuration information, and the terminal device performs RRM measurement according to the measurement configuration information.

FIG. 5 shows a schematic diagram of an optional RRM measurement sequence provided by the first embodiment of the present application. As shown in FIG. 5 , the terminal device enters the connected state at time t0 and receives the measurement configuration information sent by the network device. The measurement configuration information performs RRM measurement in a first cycle, and the first cycle may be indicated by the measurement configuration information sent by the network device.

The terminal device starts to relax from measurement at time t1, and the measurement state of the terminal device at this time may also be referred to as the terminal device in the measurement relaxation state, and the measurement cycle of the terminal device at this time is the second cycle. Illustratively, the second period may be three times the first period.

The moment pointed by the dashed arrow in FIG. 5 is the moment when measurement should be performed without performing measurement relaxation, and in the measurement relaxation state, the terminal device does not perform measurement. At time t2, due to the deterioration of the mobile signal quality of the terminal device, if the measurement is performed at time t2, the terminal device can report the A3 event according to the measurement result, and the network device will send a handover command according to the A3 event reported by the terminal device, which is used to instruct the terminal device to execute the cell switch. In the relaxed state of measurement, no measurement is performed at time t2 until measurement is performed at time t3, and the A3 event is reported according to the measurement result. At time t3, the channel quality becomes poor, and the terminal device loses downlink synchronization in the source cell before successfully receiving the handover command. A radio link failure occurs at time t4.

402: The terminal device sends radio link failure information to the network device, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is the measurement relaxation result and/or the type of measurement relaxation .

When a wireless link failure occurs in the terminal device at time t4, the terminal device reports the wireless link failure information to the network device. The wireless link failure information includes measurement relaxation information, which is used to indicate the measurement of the RRM measurement performed by the terminal device. Whether the result is the result of a measured relaxation. It can be understood that FIG. 5 shows only a sequence of the RRM measurement process. In the RRM measurement process shown in FIG. 5 , the terminal device performs measurement relaxation after time t1. At this time, the terminal device sends the network device. The content indicated by the measurement relaxation information is that the measurement result of the RRM measurement performed by the terminal device is the result of the measurement relaxation. If the terminal device has not undergone measurement relaxation when performing RRM measurement, the terminal device may indicate to the network device through measurement relaxation information that the terminal device has not undergone measurement relaxation when performing RRM measurement.

When the RRM measurement performed by the terminal device has undergone measurement relaxation, the measurement relaxation information may also include the type of measurement relaxation, and the network device can learn which measurement parameter the terminal device has performed measurement relaxation for according to the measurement relaxation type reported by the terminal device. The measurement relaxation information reported by the terminal device may be measurement relaxation information in any time period between time t0 and time t4.

The acquisition of measurement relaxation information by the network device can improve network planning and optimization performance, and the RRM measurement shown in FIG. 5 is still taken as an example for description. Since the measurement period after time t1 increases to three times before relaxation, the signal quality of the terminal equipment deteriorates due to mobility at time t2, but due to the relaxation of measurement, the network device cannot obtain this information until time t4, resulting in the failure of the wireless link . It can be seen from this that the measurement result of the deterioration of the signal quality cannot be reported in time due to the relaxation of the measurement, resulting in the failure of the wireless link. If there is no measurement relaxation information in the information of the radio link failure report, the network device cannot consider the influence of measurement relaxation when optimizing the measurement, which affects the performance of the optimization. The radio link failure information in the first embodiment of the present application includes measurement relaxation information, and the network device will be able to know that the measurement relaxation has caused the radio link to fail, and thus can perform optimization. For example, the measurement period is appropriately shortened to achieve energy saving through measurement relaxation while ensuring the mobility of the terminal device, and the measurement will not be untimely due to excessive measurement relaxation, resulting in handover failure. It is also possible to appropriately reduce the cell handover threshold, such as the A3 event threshold, to avoid untimely reporting of measurement events due to excessive relaxation, resulting in handover failure, so as to achieve energy saving through measurement relaxation and ensure the mobility of the terminal equipment.

As an optional implementation manner, the terminal device may report only one piece of indication information to indicate whether the measurement result of the RRM measurement is the result of the measurement relaxation, or only one piece of indication information may be reported to indicate the measurement relaxation performed by the RRM measurement. type, or report both at the same time.

Specifically, the measurement relaxation information can be expressed in the following three ways.

method one

Whether the measurement result of the RRM measurement is the result of measurement relaxation is indicated by the presence or absence of the first field. For example, when the first field does not exist, it indicates that the measurement result of the RRM measurement is a result without measurement relaxation, and when the first field exists, it indicates that the measurement result of the RRM measurement is a result of measurement relaxation. In the case of the existence of the first field, the existence of a second field is used to indicate the type of measurement relaxation. Similarly, different values of the second field can be used to represent different measurement relaxation types.

Method two:

The value of the first field indicates whether the measurement result of the RRM measurement is the result of measurement relaxation. For example, when the value of the first field is 0, it indicates that the measurement result of the RRM measurement is the result without measurement relaxation; when the first field is 1, it indicates that the measurement result of the RRM measurement is the result of measurement relaxation. In the case where the value of the first field is 1, there is a second field for indicating the type of measurement relaxation. Similarly, different values of the second field may be used to represent different measurement relaxation types.

Method three:

The third field also indicates whether the measurement result of the RRM measurement is the result of measurement relaxation, and the type of measurement relaxation. For example, when the value of the third field is 000, it indicates that the measurement result of the RRM measurement is the result without measurement relaxation. When the value of the third field is 001, it indicates that the type of measurement relaxation is to expand the measurement period, and other values of the third field indicate other different types of measurement relaxation.

As an optional implementation manner, the radio link failure information may include the measurement result of the RRM measurement. Similarly, the measurement result of the RRM measurement may be the measurement in any time period between time t0 and time t4 in FIG. 5 . result.

In one case, the measurement relaxation information is used to indicate whether the first measurement result is a measurement relaxation result and/or the type of measurement relaxation, and the measurement result included in the radio link failure information is the second measurement result, the first measurement result The result and the second measurement result are the measurement results of the RRM measurement performed by the terminal device in different time periods.

Taking FIG. 5 as an example, the second measurement result may be the measurement result between time t3 and time t4, and the measurement relaxation information is measurement relaxation information about the first measurement result between time t0 and time t3. That is, the measurement result included in the radio link failure information and the measurement result associated with the measurement relaxation information may not necessarily be the same measurement result.

In another situation, the measurement relaxation information is used to indicate whether the first measurement result is a measurement relaxation result and/or a type of measurement relaxation, and the measurement result included in the radio link failure information includes the first measurement result.

For example, the measurement result of the RRM measurement included in the radio link failure information may be the measurement result between time t0 and time t4, and the measurement relaxation information is information about the measurement relaxation of the first measurement result between time t0 and time t3. At this time, the measurement relaxation information may further indicate which measurement results among the measurement results of the RRM measurement included in the radio link failure information are the first measurement results.

In another case, the measurement relaxation information is used to indicate whether the first measurement result is a measurement relaxation result and/or a type of measurement relaxation, and the measurement result included in the radio link failure information is the second measurement result, the first measurement The measurement result contains the second measurement result.

For example, the measurement result of the RRM measurement included in the radio link failure information may be the measurement result between time t2 and time t4, and the measurement relaxation information is information about the measurement relaxation of the first measurement result between time t0 and time t4. For example, the wireless link failure report reports the latest measurement result, and the wireless link failure information is associated with the measurement results from the last report to the current report period.

The optional types of measurement relaxation in the first embodiment of the present application will be described below.

The types of measurement relaxation may include one or more of the following: relaxation of the measurement period of the serving cell, relaxation of the measurement period of the neighboring cell, relaxation of the measurement quantity of the downlink reference signal of the serving cell, relaxation of the measurement quantity of the downlink reference signal of the neighbor cell, relaxation The measurement number of cells or the measurement number of relaxation frequency points.

The measurement period in which the serving cell is relaxed means that the terminal device will expand the measurement period in which the serving cell is measured in the measurement relaxation state. For example, a terminal device that is not in a measurement relaxation state performs a reference signal measurement every T1 time, and T1 may be referred to as a measurement period. The terminal equipment entering the measurement relaxation state will measure the reference signal in the first cycle, for example, the terminal equipment performs the measurement of the reference signal every T2 time. Among them, T2 is greater than T1, and T1 and T2 can be configured by the network or agreed by the protocol. When the type of measurement relaxation includes relaxation of the measurement period of the serving cell, the radio link failure information may further include the first period, and/or the radio link failure information may include the ratio T2/T1 of T2 and T1. T2/T1 represents the magnification of the measurement period. According to the magnification and the value of T1, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

The measurement period for relaxing the neighbor cell refers to the measurement period during which the terminal device will expand the measurement period for the neighbor cell in the measurement relaxation state. For example, a terminal device that is not in a measurement relaxation state performs a reference signal measurement every T3 time, and T3 may be referred to as a measurement period. The terminal equipment entering the measurement relaxation state will measure the reference signal in the second cycle, for example, the terminal equipment performs the measurement of the reference signal every T4 time. Among them, T4 is greater than T3, and T3 and T4 can be configured by the network or agreed by the protocol. When the type of measurement relaxation includes relaxation of the measurement period of neighboring cells, the radio link failure information may further include the second period, and/or the radio link failure information may include the ratio T4/T3 of T4 and T3. T4/T3 represents the magnification of the measurement period. According to the magnification and the value of T3, the network device will be able to know the value of the measurement period in the relaxed state of measurement.

Relaxing the measurement quantity of the downlink reference signal of the serving cell refers to reducing the measurement quantity of the downlink reference signal of the serving cell. For example, a terminal device that is not in the measurement relaxed state measures M downlink reference signals of the serving cell, and a terminal device that enters the measurement relaxed state measures N downlink reference signals of the serving cell, where N is less than M. The N downlink reference signals of the serving cell measured by the terminal device in the measurement relaxed state may be referred to as first downlink reference signals. It can be understood that the first downlink reference signal here is only to represent the downlink reference signal measured by the terminal equipment in the measurement relaxed state, and the N first downlink reference signals measured by the terminal equipment in the measurement relaxed state can be is a subset of the M downlink reference signals measured by the terminal equipment that is not in the measurement relaxed state. When the type of measurement relaxation includes the measurement quantity of downlink reference signals of the relaxed serving cell, the radio link failure information may further include indices of the N first downlink reference signals. The index information may be represented by a set. For example, the index set includes N elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of N, where the value of N represents the number of the first downlink reference signals measured in the measurement relaxed state.

Relaxing the measurement quantity of the downlink reference signal of the neighbor cell refers to reducing the measurement quantity of the downlink reference signal of the neighbor cell. For example, a terminal device that is not in the measurement relaxed state measures P downlink reference signals of neighboring cells, and a terminal device that enters the measurement relaxed state measures Q downlink reference signals of neighboring cells, where Q is less than P. The Q downlink reference signals of neighboring cells measured by the terminal device in the measurement relaxed state may be referred to as second downlink reference signals. It can be understood that the second downlink reference signal here is only to characterize the downlink reference signal measured by the terminal device in the measurement relaxed state, and the Q second downlink reference signals measured by the terminal device in the measurement relaxed state may be unresolved. A subset of the P downlink reference signals measured by the terminal equipment in the measurement relaxed state. When the type of measurement relaxation includes relaxation of the measurement quantity of downlink reference signals of neighboring cells, the radio link failure information may further include indexes of the Q second downlink reference signals. The index information may be represented by a set. For example, the index set includes Q elements, and each element is an index of each downlink reference signal. And/or the radio link failure information may include a value of Q, where the value of Q represents the number of second downlink reference signals measured in the measurement relaxed state.

It can be understood that the downlink reference signal here can be CSI-RS or SSB, each downlink reference signal corresponds to a beam, and the beam quality can be identified by measuring the downlink reference signal, so that the corresponding beam is selected for downlink channel transmission. The index of the downlink reference signal can be used to identify the unique downlink reference signal on the cell and the beam corresponding to the reference signal.

Relaxing the measured number of cells refers to reducing the number of measured cells. For example, a terminal device that is not in a measurement relaxed state measures reference signals of M cells, and a terminal device that enters a measurement relaxed state measures reference signals of N cells, where N is less than M. The cell measured by the terminal device in the measurement relaxed state may be referred to as the first cell. Here, the cells measured by the terminal equipment may all be neighbor cells of the serving cell where the terminal equipment is located. When the type of measurement relaxation includes the measurement number of the relaxed cells, the radio link failure information may further include the identifier of the first cell to be measured. The identification information may be represented by a set, for example, the set includes N elements, and each element is a physical identification (Physical cell ID, PCI) of each cell.

Relaxing the measured number of frequency points refers to reducing the number of measured frequency points. For example, a terminal device that is not in a measurement relaxation state performs measurement on M frequency points, and a terminal device that enters a measurement relaxation state performs measurement on N frequency points. where N is less than M. The frequency point measured by the terminal device in the measurement relaxation state may be referred to as the first frequency point. When the type of measurement relaxation includes the measurement number of the relaxation frequency points, the radio link failure information may further include information of the first frequency point. For example, the information of the first frequency point may be a set/list of measured frequency information, the set includes N elements, and each element is respectively frequency information.

As an optional implementation manner, the terminal device may receive first indication information sent by the network device, where the first indication information is used to instruct the terminal device to send measurement relaxation information. At this time, whether the terminal device reports the measurement relaxation information may be determined according to the specific requirements of the network device. When the network device instructs the terminal device to report, the terminal device sends the corresponding measurement relaxation information.

In the first embodiment of the present application, the terminal device indicates the type of measurement relaxation through measurement relaxation information, and may further send relevant specific parameters of measurement relaxation in the wireless link failure information. The network device can not only know the type of measurement relaxation in which the terminal device performs RRM measurement, but also the value of the measurement parameter in the measurement relaxation state, so as to perform configuration adjustment according to the value of the measurement parameter to ensure the energy-saving performance and mobility of the terminal device.

Second Embodiment

The second embodiment describes a possible implementation of the communication method based on the second solution above. FIG. 6a is a flowchart of a communication method provided by the second embodiment of the present application. FIG. 7 is a schematic diagram of a scenario provided by the second embodiment of the present application. It is shown in FIG. 7 that the serving cell includes 8 beams, numbered 1-8 respectively. Neighboring cells also include 8 beams, numbered 1-8 respectively. Network equipment can send downlink signals on each beam. In FIG. 7, the terminal device is in the serving cell and can measure neighbor cells based on mobility. For example, downlink reference signals on adjacent cell beams are measured to perform cell handover. The method of the second embodiment of the present application includes:

601: The terminal device determines the minimization drive test information, and the minimization drive test information includes measurement results of m downlink reference signals of neighboring cells and indices of the m downlink reference signals, where the m downlink reference signals belong to n downlink reference signals, and n The downlink reference signals are the measured downlink reference signals of the neighboring cell;

602: The terminal device sends the minimum drive test information to the network device.

First, the process of measuring n downlink reference signals of neighboring cells by the terminal equipment in 601 will be described.

The terminal device may make RRM measurements based on mobility. The terminal equipment in the connected state may measure the beam of the adjacent cell, or the terminal equipment in the idle state or the inactive state may measure the beam of the adjacent cell. The measurement results in the connected state of the terminal equipment can be reported through the Immediate MDT mechanism in the minimized drive test, and the measurement results in the idle state of the terminal equipment can be reported through the Logged MDT mechanism in the minimized drive test.

In FIG. 7 , the serving cell includes 8 beams, and the neighboring cell includes 8 beams, and the terminal device can measure the downlink reference signal on each beam to determine the corresponding beam quality. The downlink reference signal of the neighboring cell measured by the terminal device may be referred to as the first downlink reference signal. For example, the terminal device may measure the downlink reference signals on 8 beams of the neighboring cell, and the value of n is 8 at this time. Optionally, the terminal device may also measure only the downlink reference signals of some beams on the neighboring cell, for example, only the downlink reference signals corresponding to beams 3-7 are measured, and the value of n is 5 at this time.

The terminal device can send the measurement result of the downlink reference signal of the neighboring cell to the network device by minimizing the drive test information. For example, the measurement results of the downlink reference signals collected by the terminal equipment in the idle state can send the minimum drive test information to the network equipment through the Logged MDT mechanism.

Optionally, the terminal device may only send part of the measurement results. For example, when the terminal device measures the downlink reference signals on beams 1-8, the terminal device may only send the measurement results of 1-5. At this time, the value of m is 5. It can be understood that the set of m downlink reference signals is a subset of the set of n downlink reference signals.

The terminal equipment may also send the measurement results of all measured downlink reference signals, still taking the terminal equipment's measurement of the downlink reference signals on beams 1-8 as an example, in this case, the value of n is 8. The terminal device can send all the measurement results of the downlink reference signals corresponding to beams 1-8 to the network device. In this case, the value of m is also 8. Both m and n are natural numbers, and the relationship between m and n can be expressed as m is less than or equal to n. The maximum value that n can take is the total number of downlink reference signals of neighboring cells measured by the terminal equipment.

In the second embodiment of the present application, the minimized drive test information may further include indexes of m downlink reference signals. By sending the indices of m downlink reference signals in the minimization drive test information, the beam-level measurement results are reported.

Alternatively, the downlink reference signal of the neighboring cell measured by the terminal device may be referred to as the first downlink reference signal. For example, the terminal device can measure the downlink reference signals on 8 beams of the neighboring cell, and the downlink reference signals corresponding to beams 1-8 at this time are called the first downlink reference signals. The first downlink reference signal in which the terminal equipment reports the measurement result in the first downlink reference signal may be referred to as the second downlink reference signal. For example, when the terminal device measures the downlink reference signals on beams 1-8, the terminal device can only send the measurement results of 1-5, and at this time, the downlink reference signals corresponding to beams 1-8 can be called the first downlink For the reference signal, the downlink reference signal corresponding to beams 1-5 is called the second downlink reference signal. Therefore, the second downlink reference signal refers to the first downlink reference signal for which the terminal equipment reports the measurement result. It can be understood that the set of second downlink reference signals is a subset of the set of first downlink reference signals. At this time, the downlink reference signal of the neighboring cell measured by the terminal device is called the first downlink reference signal, and the measurement result of the first downlink reference signal is sent to the first downlink reference signal corresponding to the measurement result of the network device. The reference signal is called the second downlink reference signal. The first downlink reference signal and the second downlink reference signal do not represent different types of reference signals.

The value of n, the value of m, and the relationship between m and n are described in the following ways.

Manner 1: the value of n is equal to the total number of downlink reference signals of neighboring cells measured by the terminal device, and the value of m is 1.

In the case of Mode 1, the value of n can be the same as the total number of measured downlink reference signals of neighboring cells. As shown in FIG. 7, the value of n can be 8, that is, the value of the terminal equipment to the neighboring cells at this time. All downlink reference signals are measured. In addition, the terminal device may only report the measurement result of the downlink reference signal with the best signal quality, such as the measurement result and index information of the downlink reference signal corresponding to beam 4, and report it to the network device. At this time, the value of m is 1.

Mode 2: The value of n is equal to the total number of downlink reference signals of neighboring cells measured by the terminal device, and the value of m is greater than 1 and less than n.

In the case of Mode 2, the value of n can be the same as the total number of measured downlink reference signals of neighboring cells. As shown in FIG. 7, the value of n can be 8, that is, the value of the terminal equipment to the neighboring cells at this time. All downlink reference signals are measured. Moreover, the terminal device may only report the measurement results of multiple downlink reference signals with the best signal quality, but will not report all the measurement results. For example, the measurement results and index information of the downlink reference signals corresponding to beam 4 and beam 5 are reported to the network device, and the value of m is 2 at this time.

Mode 3: the value of n is less than the total number of downlink reference signals of neighboring cells measured by the terminal device, and the value of m is 1.

In the case of mode 3, the value of n can be smaller than the total number of measured downlink reference signals of neighboring cells. As shown in FIG. 7 , the terminal device can only measure the beams 3-6 of neighboring cells. At this time, the value of n is The value is 4, that is, at this time, the terminal equipment measures some downlink reference signals of the adjacent cells, that is, at this time, the terminal equipment relaxes the measurement of the adjacent cells. In addition, the terminal device may only report the measurement result of the downlink reference signal with the best signal quality, such as the measurement result and index information of the downlink reference signal corresponding to beam 4, and report it to the network device. At this time, the value of m is 1.

Manner 4: The value of n is less than the total number of downlink reference signals of neighboring cells measured by the terminal device, and the value of m is greater than 1 and less than n.

In the case of Mode 4, the value of n can be smaller than the total number of measured downlink reference signals of neighboring cells. As shown in FIG. 7 , the terminal device can only measure the beams 3-6 of neighboring cells. At this time, the value of n is The value is 4, that is, at this time, the terminal equipment measures some downlink reference signals of the adjacent cells, that is, at this time, the terminal equipment relaxes the measurement of the adjacent cells. Moreover, the terminal device may only report the measurement results of multiple downlink reference signals with the best signal quality, but will not report all the measurement results. For example, the measurement results and index information of the downlink reference signals corresponding to beam 4 and beam 5 are reported to the network device, and the value of m is 2 at this time.

The network device can know the quality of one or more beams on the neighboring cell measured by the terminal device according to the minimum drive test information reported by the terminal device, and can establish an association relationship between the beams of the neighboring cell and the serving cell according to the information, This optimizes the measurement relaxation for beam measurements. This will be described in detail by taking the first mode as an example below.

Referring to FIG. 7 , the terminal device measures beams 1-8 of neighboring cells, and transmits the measurement results of beam 4 to the network device by minimizing the drive test information. At this time, the value of n is 8 and the value of m is 1. It can be considered that beam 4 is the beam with the best quality in the measurement results. The measurement result reported by the terminal equipment is the measurement result of the downlink reference signal corresponding to beam 4 . The minimum drive test information also includes the index of the downlink reference signal corresponding to beam 4, and the information obtained by the network device according to the result reported by the terminal device is shown in Table 2.

Table 2: The index and measurement result of the second downlink reference signal of the neighboring cell

下行参考信号的索引index of downlink reference signal	测量结果Measurement results
波束4对应的下行参考信号2 Downlink reference signal 2 corresponding to beam 4	测量结果2 Measurement result 2

At the same time, the terminal equipment will also report the measurement results of the serving cell, and the measurement results of the terminal equipment on the serving cell are shown in Table 3.

Table 3: Serving cell downlink reference signal index and measurement results

下行参考信号的索引index of downlink reference signal	测量结果Measurement results
波束1对应的下行参考信号1 Downlink reference signal 1 corresponding to beam 1	测量结果1 Measurement result 1
波束2对应的下行参考信号2 Downlink reference signal 2 corresponding to beam 2	测量结果2 Measurement result 2

According to the measurement result of the neighboring cell and the measurement result of the serving cell, the network device can know that the beams with the best quality of the serving cell are beam 1 and beam 2, and the beam with the best quality of the neighboring cell is beam 4. Thus, the network device can establish an association relationship between the beam 1 and the beam 2 of the serving cell and the beam 4 of the neighboring cell. For the terminal equipment that is in the coverage of beam 1 and beam 2 of the serving cell subsequently, the network equipment can instruct the terminal equipment to measure only the beam 4 of the adjacent cell, without measuring other beams of the adjacent cell, so as to be the basis of the beam measurement. Measurement relaxation is optimized.

As an optional implementation manner, the terminal device may receive first indication information sent by the network device, where the first indication information is used to determine the second downlink reference signal. Fig. 6b is a flowchart of another communication method provided by the second embodiment of the present application. As shown in Fig. 6b, the method further includes 600: the network device sends the minimum drive test configuration information to the terminal device, and the terminal device can The optimized drive test configuration information sends the minimized drive test information, where the minimized drive test information may include first indication information.

In the second embodiment of the present application, the terminal device sends the measurement results of m downlink reference signals and the indices of the m downlink reference signals by minimizing the drive test information. The m downlink reference signals may be determined according to the first indication information, and the terminal device will determine, according to the first indication information, which m downlink reference signal measurement results and corresponding indexes among the n downlink reference signals measured by the terminal device will be sent to Network equipment.

As an optional implementation manner, the first indication information may indicate a first threshold, and the reported m downlink reference signals are downlink reference signals whose measurement results are greater than or equal to the first threshold among the n measured downlink reference signals. The first threshold may be set according to the measurement parameter of the downlink reference signal. The measurement of the downlink reference signal may include measuring one or more of the following parameters: Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), Signal to Interference and Noise Ratio (Signal To Interference Plus Noise Ratio, SINR) or Signal to Noise Ratio (Signal Noise Ratio, SNR), etc. The larger the value of the above parameters, the better the measurement result, and the better the quality of the beam. For example, the measurement parameter of the downlink reference signal is the reference signal received power, and the terminal device measures the reference signal received power of the downlink reference signal corresponding to the beams 1-8 of the neighboring cells. In the measurement results of the downlink reference signals corresponding to beams 1-8, the received power of the reference signals of the downlink reference signals corresponding to

beams

4 and 5 is put into the measurement result greater than or equal to the first threshold. At this time, the m downlink reference signals reported The signal is the downlink reference signal corresponding to beam 4 and beam 5. The first threshold can be a threshold that characterizes the quality of the measurement results. It can be considered that the measurement results that meet the first threshold are downlink reference signals with better measurement results, which means that the corresponding beam quality is better, because the beam is sent in a specific direction. , the better the beam quality is, the closer the terminal device is to the coverage of the beam or the terminal device is under the coverage of the beam. It is also possible to measure multiple parameters, and report the measurement result and index of the downlink reference signal when the multiple parameters all meet the corresponding thresholds.

As an optional implementation manner, the first indication information may indicate a second threshold, and the reported m downlink reference signals are downlink reference signals whose measurement results are less than the second threshold among the n measured downlink reference signals. The second threshold may also be set according to the measurement parameter of the downlink reference signal. The measurement of the downlink reference signal may include measurement of one or more of the following parameters: RSRP, RSRQ, SINR or SNR, and the like. When the reported m downlink reference signals are downlink reference signals smaller than the second threshold, the terminal equipment reports beams with poor measurement results. Since the beams are sent in a specific direction, the worse the beam quality indicates that the terminal equipment is far away from the beam The network device can also establish an association relationship with the beam of the serving cell according to the measurement result. For example, in the measurement result of the downlink reference signal corresponding to beams 1-8, beams 1 to 3 and beams 6 to 8 correspond to The measurement result of the downlink reference signal is less than the second threshold. At this time, the m downlink reference signals reported are downlink reference signals corresponding to beams 1 to 3 and beams 6 to 8. The measurement results of beam 1 to beam 3 and beam 6 to beam 8 of neighboring cells are poor, and the beams with better serving cell quality are beam 1 and beam 2. The network device can establish the serving cell beam and beam according to the reported beam measurement results and beam index. The relationship between adjacent cell beams. It can be understood that the association relationship can be a geographic location relationship obtained according to the beam quality. Since the beam is sent in a specific direction, the worse the beam quality indicates that the terminal device is far from the coverage of the beam, and the better the beam quality indicates that the terminal device is close to the beam. coverage. For example, according to the reported measurement results and the beam index, the network device knows that the beams with better quality of the serving cell are beam 1 and beam 2, and the beams with better quality of neighboring cells are beam 4 and beam 5, then it can be deduced that the serving cell beam 1 and beam 2, and beam 4 and beam 5 of adjacent cells, are relatively close in geographical location; Beams with poor cell quality are beam 1 to beam 3 and beam 6 to beam 8. It can be deduced that beam 1 and beam 2 of the serving cell, and beam 1 to beam 3 and beam 6 to beam 8 of adjacent cells are located in the geographical location. farther apart.

As an optional implementation manner, the first indication information may indicate the value of m. The measurement results of the n downlink reference signals measured by the terminal device may be sorted in descending order, and the measurement results of the top m downlink reference signals are sent to the network device. For example, the terminal device measures the downlink reference signals corresponding to beams 1-8 of neighboring cells, and the value of n is 8 at this time. Sort the measurement results of downlink reference signals corresponding to beams 1-8. For example, the RSRP measurement result values may be sorted, and the descending order refers to the RSRP measurement result values being sorted in descending order. The larger the RSRP measurement result value, the better the measurement result. Assume that the sorting results are beam 4, beam 5, beam 6, beam 3, beam 7, beam 2, beam 8, beam 1. The value of m indicated by the first indication information is 2. In this case, the m downlink reference signals are downlink reference signals corresponding to beam 4 and beam 5 .

As an optional implementation manner, the first indication information may indicate the value of m. The measurement results of the n downlink reference signals measured by the terminal device may be sorted in ascending order, and the measurement results of the top m downlink reference signals are sent to the network device. For example, the terminal device measures the downlink reference signals corresponding to beams 1-8 of neighboring cells, and the value of n is 8 at this time. Sort the measurement results of downlink reference signals corresponding to beams 1-8. For example, the measured values of RSRP may be sorted, and the ascending order is that the index values are sorted from small to large measured values of RSRP, and the smaller the measured value of RSRP, the worse the measurement result. Assume that the sorting results are beam 1, beam 8, beam 2, beam 7, beam 3, beam 6, beam 5, beam 4. The value of m indicated by the first indication information is 6. At this time, the m downlink reference signals are downlink reference signals corresponding to beam 1, beam 8, beam 2, beam 7, beam 3, and beam 6. The terminal equipment reports the beams with poor measurement results, and the network equipment can also establish an association relationship with the beams of the serving cell according to the measurement results. For example, in the measurement results of the downlink reference signals corresponding to beams 1-8, beams 1-8 The measurement results of the downlink reference signals corresponding to beam 3 and beam 6 to beam 8 are smaller than the second threshold. At this time, the m downlink reference signals reported are the downlink reference signals corresponding to beam 1 to beam 3 and beam 6 to beam 8. The measurement results of beam 1 to beam 3 and beam 6 to beam 8 of adjacent cells are poor. The beams with better quality of the serving cell are beam 1 and beam 2. The network device can remove

beams

1 and 2 of the serving cell and adjacent cells. An association relationship is established between other beams from 1 to beam 3, and beam 6 to beam 8.

By using the first indication information to indicate the first threshold or the value of m, the measurement results of the downlink reference signals of the neighboring cells can be screened. The network device can obtain the index information of the beam with the best quality on the neighboring cell measured by the terminal device according to the minimum drive test information reported by the terminal device, and can establish the association relationship between the beam of the neighboring cell and the serving cell according to the information, Thereby optimizing beam-level measurement relaxation.

An optional implementation manner of optimizing beam level measurement relaxation is to configure beam level measurement relaxation for the terminal device to reduce unnecessary beam measurements according to the relationship between the beams of the neighboring cell and the serving cell. For example, the network device knows that the serving cell beam 1 and the adjacent cell beam 4 and beam 5 are geographically close according to the relationship between the adjacent cell and the serving cell's beam. equipment, you can configure the terminal equipment to measure only beam 4 and beam 5 of neighboring cells. As an optional implementation manner, the first indication information is further used to instruct the terminal device to send indices of m downlink reference signals. When the first indication information instructs the terminal device to report the indices of m downlink reference signals, the terminal device will send the measurement result of each downlink reference signal and its corresponding index information to the network device according to the instruction of the network device. Otherwise, the terminal equipment may choose to only report the average measurement result of each downlink reference signal without sending the index information.

In the second embodiment of the present application, the terminal device sends the indices of m downlink reference signals in the minimization drive test information, and the network device can establish an association relationship between the beams of the neighboring cell and the serving cell according to the information, so as to be a beam The measurement relaxation of the measurement is optimized.

The communication method in the embodiments of the present application is described above, and the communication device in each embodiment of the present application will be described below. For example, the apparatus may adopt the methods shown in the embodiments of the present application. Since the principle of solving the problem by the method and the device is similar, the implementation of the device and the method can be referred to each other, and repeated descriptions will not be repeated here.

An embodiment of the present application provides a communication apparatus, and the communication apparatus may be a terminal device or a circuit. The communication apparatus can be used to perform the actions performed by the terminal device in the method of the first embodiment. The communication apparatus includes: a processing module for performing radio resource management measurements. The radio resource management measurement is a measurement based on the mobility of the terminal equipment, including idle state measurement and connected state measurement, and a measurement result can be generated during the radio resource management measurement process. In the RRM measurement, if the measurement samples are reduced, the measurement power consumption can be reduced, and this process can be called measurement relaxation. The communication device further includes a transceiver module for sending radio link failure information, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is measurement relaxation Results and/or type of measurement relaxation.

The communication device provided by the embodiment of the present application indicates whether the measurement of the radio resource management has undergone measurement relaxation by adding measurement relaxation information. When the RRM measurement has undergone measurement relaxation, the measurement conditions causing the radio link failure may be optimized according to the measurement relaxation information. For example, the network device may optimize the measurement relaxation related parameters based on the measurement relaxation information. The type of measurement relaxation can also be specifically indicated by adding measurement relaxation information, so that the network device can perform directional optimization for this type of measurement relaxation, thereby ensuring the mobility performance of the terminal device.

The communication apparatus provided in this embodiment can also be used to execute the method in any possible implementation manner of the method in the first embodiment. For details, please refer to the part about the actions performed by the terminal device in the method in the first embodiment. The content will not be repeated here.

An embodiment of the present application provides a communication apparatus, and the communication apparatus may be a terminal device or a circuit. The communication apparatus can be used to perform the actions performed by the terminal device in the method of the second embodiment. The communication device includes: a processing module configured to determine the minimum drive test information, and the minimum drive test can be understood as a measurement reporting process. The terminal device may perform radio resource management measurement on the serving cell and/or the neighboring cell based on mobility requirements, and the measurement result of the radio resource management may be sent to the network device by minimizing the drive test information. The minimum drive test information includes measurement results of m downlink reference signals of neighboring cells and indexes of the m downlink reference signals, the m downlink reference signals belong to n downlink reference signals, and the n downlink reference signals The downlink reference signal is the measured downlink reference signal of the neighbor cell. It also includes a transceiver module for sending the minimum drive test information.

In the communication apparatus provided by the embodiment of the present application, the minimized drive test information includes indexes of m downlink reference signals. By sending the indices of m downlink reference signals in the minimization drive test information, the beam-level measurement results are reported. Measurement relaxation for beam measurements can be optimized based on beam level measurements.

The communication apparatus provided in this embodiment can also be used to execute the method in any possible implementation manner of the method in the second embodiment. For details, please refer to the part about the actions performed by the terminal device in the method in the first embodiment. The content will not be repeated here.

FIG. 8 shows a schematic structural diagram of a simplified communication apparatus, which is convenient for understanding and illustration. In FIG. 8 , the communication apparatus takes a terminal device as an example. As shown in FIG. 8 , the communication device includes a processor, a memory, a radio frequency circuit, an antenna, and an input and output device. The processor is mainly used to process communication protocols and communication data, control terminal equipment, execute software programs, and process data of software programs. The memory is mainly used to store software programs and data. The radio frequency circuit is mainly used for the conversion of the baseband signal and the radio frequency signal and the processing of the radio frequency signal. Antennas are mainly used to send and receive radio frequency signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, and keyboards, are mainly used to receive data input by users and output data to users. It should be noted that some types of terminal equipment may not have input and output devices.

When data needs to be sent, the processor performs baseband processing on the data to be sent, and outputs the baseband signal to the radio frequency circuit. The radio frequency circuit performs radio frequency processing on the baseband signal and sends the radio frequency signal through the antenna in the form of electromagnetic waves. When data is sent to the terminal device, the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor, which converts the baseband signal into data and processes the data. For ease of illustration, only one memory and processor are shown in FIG. 8 . In an actual end device product, there may be one or more processors and one or more memories. The memory may also be referred to as a storage medium or a storage device or the like. The memory may be set independently of the processor, or may be integrated with the processor, which is not limited in this embodiment of the present application.

In the embodiments of the present application, the antenna and the radio frequency circuit with a transceiver function can be regarded as a transceiver module of the communication device, and the processor with a processing function can be regarded as a processing module of the communication device. As shown in FIG. 8 , the communication device includes a transceiver module 801 and a processing module 802 . The transceiver module may be a transceiver, a transceiver, a transceiver device, and the like. The processing module may also be a processor, a processing board, a processing device, and the like. Optionally, the device used for implementing the receiving function in the transceiver module 801 may be regarded as a receiving module, and the device used for implementing the sending function in the transceiver module 801 may be regarded as a sending module, that is, the transceiver module 801 includes a receiving module and a sending module. The transceiver module may also sometimes be a transceiver, a transceiver, or a transceiver circuit or the like. The receiving module may also sometimes be a receiver, a receiver, or a receiving circuit or the like. The transmitting module may also be a transmitter, a transmitter or a transmitting circuit sometimes.

It should be understood that the transceiver module 801 is configured to perform the sending and receiving operations on the terminal device side in the above method embodiments, and the processing module 802 is configured to perform other operations on the terminal device in the above method embodiments except for the transceiver operations.

When the communication device is a chip-type device or circuit, the chip device may include a transceiver module and a processing module. Wherein, the transceiver module may be an input/output circuit and/or a communication interface; the processing module is a processor, a microprocessor or an integrated circuit integrated on the chip.

When the communication device in this embodiment is a terminal device, reference may be made to the device shown in FIG. 9 . In FIG. 9 , the device includes a processor 901 , a transmit data processor 902 , and a receive data processor 903 . The processing module in the above-mentioned embodiment may be the processor 901 in FIG. 9 and perform corresponding functions. The transceiver module in the above embodiment may be the sending data processor 902 and/or the receiving data processor 903 in FIG. 9 . Although a channel encoder and a channel decoder are shown in FIG. 9 , it can be understood that these modules do not constitute a limiting description of this embodiment, but are only illustrative.

FIG. 10 shows another form of this embodiment. The processing device 100 includes modules such as a modulation subsystem, a central processing subsystem, and a peripheral subsystem. The communication apparatus in this embodiment may serve as a modulation subsystem therein. Specifically, the modulation subsystem may include a processor 1003 and an interface 1004 . The processor 1003 completes the function of the above-mentioned processing module, and the interface 1004 completes the function of the above-mentioned transceiver module. As another variant, the modulation subsystem includes a memory 1006, a processor 1003, and a program stored in the memory 1006 and executable on the processor. When the processor 1003 executes the program, the terminal device side in the foregoing method embodiment is implemented. Methods. It should be noted that the memory 1006 can be non-volatile or volatile, and its location can be located inside the modulation subsystem or in the processing device 100, as long as the memory 1006 can be connected to the The processor 1003 is sufficient.

An embodiment of the present application provides a communication apparatus, and the communication apparatus may be a network device or a circuit. The communication apparatus can be used to perform the actions performed by the network device in the method of the first embodiment. The communication apparatus includes: a sending module for sending measurement configuration information, where the measurement configuration information is used to perform radio resource management measurement according to the measurement configuration information. The radio resource management measurement is a measurement based on the mobility of the terminal equipment, including idle state measurement and connected state measurement, and a measurement result can be generated during the radio resource management measurement process. In the RRM measurement, if the measurement samples are reduced, the measurement power consumption can be reduced, and this process can be called measurement relaxation. The communication device further includes a receiving module configured to receive radio link failure information, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is measurement relaxation Results and/or type of measurement relaxation.

The communication device provided by the embodiment of the present application indicates whether the measurement of the radio resource management has undergone measurement relaxation by adding measurement relaxation information. When the RRM measurement has undergone measurement relaxation, the measurement conditions causing the radio link failure may be optimized according to the measurement relaxation information. For example, the terminal device may optimize the measurement relaxation related parameters based on the measurement relaxation information. The type of measurement relaxation can also be specifically indicated by adding measurement relaxation information, so that the network device can perform directional optimization for this type of measurement relaxation, thereby ensuring the mobility performance of the terminal device.

The communication apparatus provided in this embodiment can also be used to execute the method in any possible implementation manner of the method in the first embodiment. For details, please refer to the part about the actions performed by the network device in the method in the first embodiment. The content will not be repeated here.

An embodiment of the present application provides a communication apparatus, and the communication apparatus may be a network device or a circuit. The communication apparatus can be used to perform the actions performed by the network device in the method of the second embodiment. The communication apparatus includes: a sending module, configured to send the minimum drive test configuration information, and used to instruct the terminal device to send the minimum drive test information according to the minimum drive test configuration information. The network device receives the minimization drive test information, and the minimization drive test can be understood as a measurement reporting process. The terminal device may perform radio resource management measurement on the serving cell and/or the neighboring cell based on mobility requirements, and the measurement result of the radio resource management may be sent to the network device by minimizing the drive test information. Wherein, the minimized drive test information includes measurement results of m downlink reference signals of neighboring cells and indexes of the m downlink reference signals. It also includes a receiving module for receiving the minimization drive test information, where the minimization drive test information includes the measurement results of m downlink reference signals of neighboring cells and the indices of the m downlink reference signals, and the m downlink reference signals belong to n Downlink reference signals, the n downlink reference signals are the measured downlink reference signals of the neighboring cell.

In the communication apparatus provided in this embodiment, the minimized drive test information includes indices of m downlink reference signals. By sending the indices of m downlink reference signals in the minimization drive test information, the beam-level measurement results are reported. Measurement relaxation for beam measurements can be optimized based on beam level measurements.

The communication apparatus provided in this embodiment can also be used to execute the method in any possible implementation manner of the method in the first embodiment. For details, please refer to the part about the actions performed by the network device in the method in the second embodiment. The content will not be repeated here.

When the communication device in this embodiment is a network device, the network device may be as shown in FIG. 11 , and the device 110 includes one or more radio frequency units, such as a remote radio unit (RRU) 1110 and one or more radio frequency units The baseband unit 1120 (baseband unit, BBU) may also be referred to as a digital unit (digital unit, DU). The RRU 1110 may be referred to as a transceiver module. Optionally, the transceiver module may also be referred to as a transceiver, a transceiver circuit, or a transceiver, etc., which may include at least one antenna 1111 and a radio frequency unit 1112 . The part of the RRU 1110 is mainly used for transmitting and receiving radio frequency signals and converting radio frequency signals and baseband signals, for example, for sending indication information to terminal equipment. The part of the BBU 1110 is mainly used to perform baseband processing, control the base station, and the like. The RRU 1110 and the BBU 1120 may be physically set together, or may be physically separated, that is, a distributed base station.

The BBU 1120 is the control center of the base station, and can also be called a processing module, which can correspond to the processing module 802 in FIG. 8 , and is mainly used to complete baseband processing functions, such as channel coding, multiplexing, modulation, spread spectrum, and the like. For example, the BBU (processing module) may be used to control the base station to perform the operation procedure of the network device in the foregoing method embodiments, for example, to generate the foregoing indication information and the like.

In an example, the BBU 1120 may be composed of one or more single boards, and the multiple single boards may jointly support a wireless access network of a single access standard, or may respectively support a wireless access network of different access standards ( Such as LTE network, 5G network or other network). The BBU 1120 also includes a memory 1121 and a processor 1122. The memory 1121 is used to store necessary instructions and data. The processor 1322 is configured to control the base station to perform necessary actions, for example, to control the base station to perform the operation flow of the network device in the foregoing method embodiments. The memory 1121 and the processor 1122 may serve one or more single boards. That is to say, the memory and processor can be provided separately on each single board. It can also be that multiple boards share the same memory and processor. In addition, necessary circuits may also be provided on each single board.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

A communication method, comprising:

performing radio resource management measurements;

Radio link failure information is sent, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is a measurement relaxation result and/or a type of measurement relaxation.
The method of claim 1, wherein:

The types of measurement relaxation include one or more of the following: relaxation of the measurement period of the serving cell, relaxation of the measurement period of the neighboring cell, relaxation of the measurement quantity of the downlink reference signal of the serving cell, relaxation of the measurement quantity of the downlink reference signal of the neighbor cell, The number of measurements of relaxation cells or the number of measurements of relaxation frequency points.
The method of claim 2, wherein:

The type of measurement relaxation includes relaxing the measurement period of the serving cell, and the relaxation of the measurement period of the serving cell includes measuring the serving cell with a first period;

The radio link failure information includes the first period.
The method of claim 2, wherein:

The type of the measurement relaxation includes relaxing the measurement period of the neighbor cell, and the relaxation of the measurement period of the neighbor cell includes measuring the neighbor cell with a second period;

The radio link failure information includes the second period.
The method of claim 2, wherein:

The type of measurement relaxation includes relaxing the measurement quantity of downlink reference signals of the serving cell, and the relaxation of the measurement quantity of downlink reference signals of the serving cell includes measuring at least one first downlink reference signal of the serving cell;

The radio link failure information includes an index of the first downlink reference signal.
The method of claim 2, wherein:

The type of measurement relaxation includes relaxing the measurement quantity of the downlink reference signal of the adjacent cell, and the relaxing the measurement quantity of the downlink reference signal of the adjacent cell includes measuring at least one second downlink reference signal of the adjacent cell;

The radio link failure information includes an index of the second downlink reference signal.
The method of claim 2, wherein:

The type of measurement relaxation includes the measurement quantity of the relaxed cell, and the measurement quantity of the relaxed cell includes the measurement of at least one first cell;

The radio link failure information includes the identity of the first cell.
The method of claim 2, wherein:

The type of measuring relaxation includes the measurement quantity of relaxation frequency points, and the measurement quantity of relaxation frequency points includes measuring at least one first frequency point;

The radio link failure information includes the information of the first frequency point.
The method of any one of claims 1-8, further comprising:

Receive first indication information, where the first indication information is used to indicate that the radio link failure information includes the measurement relaxation information.
A communication method, comprising:

Determine the minimum drive test information, where the minimum drive test information includes measurement results of m downlink reference signals of neighboring cells and indexes of the m downlink reference signals, where the m downlink reference signals belong to n downlink reference signals , the n downlink reference signals are the measured downlink reference signals of the neighboring cell, and both m and n are natural numbers;

Send the minimized drive test information.
The method of claim 9 or 10, further comprising:

Receive first indication information, where the first indication information is used to determine the m downlink reference signals.
The method of claim 11, wherein:

The first indication information used to determine the m downlink reference signals includes: the first indication information is used to indicate a first threshold;

The m downlink reference signals are the downlink reference signals that are greater than or equal to the first threshold in the measurement results of the n downlink reference signals.
The method of claim 11, wherein:

The first indication information used to determine the m downlink reference signals includes: the first indication information is used to indicate the value of m;

The measurement results of the n downlink reference signals are sorted in descending order, and the m downlink reference signals are the first m downlink reference signals in the sorting.
The method of any one of claims 11-13, wherein,

The first indication information is further used to indicate an index for sending the m downlink reference signals.
The method of any one of claims 11-14, further comprising:

Minimized drive test configuration information is received, where the minimized drive test configuration information includes the first indication information.
The method of any one of claims 10-15, wherein,

The minimum drive test information is the measurement information of the terminal equipment in the idle state and/or the terminal equipment in the inactive state.
A communication method, comprising:

sending measurement configuration information, where the measurement configuration information is used to perform radio resource management measurements according to the measurement configuration information;

Radio link failure information is received, the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is a measurement relaxation result and/or a type of measurement relaxation.
The method of claim 17, wherein:

The types of measurement relaxation include one or more of the following: relaxation of the measurement period of the serving cell, relaxation of the measurement period of the neighboring cell, relaxation of the measurement quantity of the downlink reference signal of the serving cell, relaxation of the measurement quantity of the downlink reference signal of the neighbor cell, The number of measurements of relaxation cells or the number of measurements of relaxation frequency points.
The method of claim 18, wherein

The type of measurement relaxation includes relaxing the measurement period of the serving cell, and the relaxation of the measurement period of the serving cell includes measuring the serving cell with a first period;

The radio link failure report information includes the first period.
The method of claim 18, wherein

The type of measurement relaxation includes relaxing the measurement period of the neighbor cell, the relaxation of the measurement period of the neighbor cell includes measuring the neighbor cell with a second period, and the radio link failure information further includes the second period.
The method of claim 18, wherein

The type of measurement relaxation includes relaxing the number of beams of the serving cell, the measurement number of the downlink reference signal of the serving cell being relaxed includes measuring at least one first downlink reference signal of the serving cell, and the radio link failure information further. Including the index of the first downlink reference signal.
The method of claim 18, wherein

The type of measurement relaxation includes relaxing the measurement quantity of the downlink reference signal of the adjacent cell, and the relaxation of the measurement quantity of the downlink reference signal of the adjacent cell includes measuring at least one second downlink reference signal of the adjacent cell, and the radio link The failure information further includes the index of the second downlink reference signal.
The method of claim 18, wherein

The type of measurement relaxation includes the measurement quantity of the relaxed cell, the measurement quantity of the relaxed cell includes the measurement of at least one first cell, and the radio link failure information further includes the identifier of the first cell.
The method of claim 18, wherein

The type of measurement relaxation includes the measurement quantity of relaxation frequency points, the measurement quantity of relaxation frequency points includes measuring at least one first frequency point, and the wireless link failure information further includes information of the first frequency point.
The method of any one of claims 17-24, further comprising:

Send first indication information, where the first indication information is used to indicate that the radio link failure information includes the measurement relaxation information.
A communication method, comprising:

sending the minimum drive test configuration information, which is used to instruct the terminal device to send the minimum drive test information according to the minimum drive test configuration information;

Receive the minimization drive test information, where the minimization drive test information includes measurement results of m downlink reference signals of neighboring cells and indices of the m downlink reference signals, where the m downlink reference signals belong to n downlink reference signals Reference signals, the n downlink reference signals are the measured downlink reference signals of the neighboring cell, and both m and n are natural numbers.
The method of claim 26, further comprising:

Send first indication information, where the first indication information is used to determine the m downlink reference signals.
The method of claim 27, wherein

The first indication information used to determine the m downlink reference signals includes: the first indication information is used to indicate a first threshold;

The m downlink reference signals are the downlink reference signals greater than or equal to the first threshold in the measurement results of the n downlink reference signals.
The method of claim 28, wherein

The first indication information being used to determine the m downlink reference signals includes: the first indication information being used to determine the value of m;

The measurement results of the n downlink reference signals are sorted in descending order, and the m downlink reference signals are the first m downlink reference signals in the sorting.
The method of any one of claims 27-29, wherein,

The first indication information is further used to indicate an index for sending the second downlink reference signal.
The method of any one of claims 27-30, wherein,

The minimum drive test configuration information includes the first indication information.
The method of any one of claims 26-31, wherein,

The minimum drive test information is measurement information of the terminal equipment in the idle state and/or the terminal equipment in the inactive state.
A communication device, comprising:

a processing module for performing radio resource management measurements;

A transceiver module, configured to send radio link failure information, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is a measurement relaxation result and/or Measure the type of relaxation.
The apparatus of claim 33, comprising:

The types of measurement relaxation include one or more of the following: relaxation of the measurement period of the serving cell, relaxation of the measurement period of the neighbor cell, relaxation of the measurement quantity of the downlink reference signal of the serving cell, relaxation of the measurement quantity of the downlink reference signal of the neighbor cell, The number of measurements of relaxation cells or the number of measurements of relaxation frequency points.
The apparatus of claim 34, wherein:

The type of measurement relaxation includes relaxing the measurement period of the serving cell, and the relaxation of the measurement period of the serving cell includes measuring the serving cell with a first period;

The radio link failure information includes the first period.
The apparatus of claim 34, wherein:

The type of the measurement relaxation includes relaxing the measurement period of the neighbor cell, and the relaxation of the measurement period of the neighbor cell includes measuring the neighbor cell with a second period;

The radio link failure information includes the second period.
The apparatus of claim 34, wherein:

The type of measurement relaxation includes relaxing the measurement quantity of downlink reference signals of the serving cell, and the relaxation of the measurement quantity of downlink reference signals of the serving cell includes measuring at least one first downlink reference signal of the serving cell;

The radio link failure information includes an index of the first downlink reference signal.
The apparatus of claim 34, wherein:

The type of measurement relaxation includes relaxing the measurement quantity of the downlink reference signal of the adjacent cell, and the relaxing the measurement quantity of the downlink reference signal of the adjacent cell includes measuring at least one second downlink reference signal of the adjacent cell;

The radio link failure information includes an index of the second downlink reference signal.
The apparatus of claim 34, wherein:

The type of measurement relaxation includes the measurement quantity of the relaxed cell, and the measurement quantity of the relaxed cell includes the measurement of at least one first cell;

The radio link failure information includes the identity of the first cell.
The apparatus of claim 34, wherein:

The type of measuring relaxation includes the measurement quantity of relaxation frequency points, and the measurement quantity of relaxation frequency points includes measuring at least one first frequency point;

The radio link failure information includes the information of the first frequency point.
The device of any one of claims 33-40, further comprising:

The transceiver module is further configured to receive first indication information, where the first indication information is used to indicate that the radio link failure information includes the measurement relaxation information.
A communication device, comprising:

A processing module, configured to determine minimum drive test information, where the minimum drive test information includes measurement results of m downlink reference signals of neighboring cells and indexes of the m downlink reference signals, where the m downlink reference signals belong to n downlink reference signals, the n downlink reference signals are the measured downlink reference signals of the neighboring cell, and both m and n are natural numbers;

A transceiver module, configured to send the minimum drive test information.
The apparatus of claim 42, wherein

The transceiver module is further configured to receive first indication information, where the first indication information is used to determine the m downlink reference signals.
The apparatus of claim 43, wherein

The first indication information used to determine the m downlink reference signals includes: the first indication information is used to indicate a first threshold;

The m downlink reference signals are the downlink reference signals that are greater than or equal to the first threshold in the measurement results of the n downlink reference signals.
The apparatus of claim 43, wherein

The first indication information used to determine the m downlink reference signals includes: the first indication information is used to indicate the value of m;

The measurement results of the n downlink reference signals are sorted in descending order, and the m downlink reference signals are the first m downlink reference signals in the sorting.
The device of any one of claims 43-45, wherein,

The first indication information is further used to indicate an index for sending the m downlink reference signals.
The device of any one of claims 43-46, wherein,

The transceiver module is further configured to receive minimum drive test configuration information, where the minimum drive test configuration information includes the first indication information.
The device of any one of claims 42-47, wherein,

The minimum drive test information is measurement information of the terminal equipment in the idle state and/or the terminal equipment in the inactive state.
A communication device, comprising:

a sending module, configured to send measurement configuration information, where the measurement configuration information is used to perform radio resource management measurement according to the measurement configuration information;

A receiving module, configured to receive radio link failure information, where the radio link failure information includes measurement relaxation information, and the measurement relaxation information is used to indicate whether the measurement result of the radio resource management measurement is a measurement relaxation result and/or Measure the type of relaxation.
The apparatus of claim 49, wherein

The types of measurement relaxation include one or more of the following: relaxation of the measurement period of the serving cell, relaxation of the measurement period of the neighbor cell, relaxation of the measurement quantity of the downlink reference signal of the serving cell, relaxation of the measurement quantity of the downlink reference signal of the neighbor cell, The number of measurements of relaxation cells or the number of measurements of relaxation frequency points.
The apparatus of claim 50, wherein:

The type of measurement relaxation includes relaxing the measurement period of the serving cell, and the relaxation of the measurement period of the serving cell includes measuring the serving cell with a first period;

The radio link failure report information includes the first period.
The apparatus of claim 50, wherein:

The type of measurement relaxation includes relaxing the measurement period of the neighbor cell, the relaxation of the measurement period of the neighbor cell includes measuring the neighbor cell with a second period, and the radio link failure information further includes the second period.
The apparatus of claim 50, wherein:

The type of measurement relaxation includes relaxing the number of beams of the serving cell, the measurement number of the downlink reference signal of the serving cell being relaxed includes measuring at least one first downlink reference signal of the serving cell, and the radio link failure information further. Including the index of the first downlink reference signal.
The apparatus of claim 50, wherein:

The type of measurement relaxation includes relaxing the measurement quantity of the downlink reference signal of the adjacent cell, and the relaxation of the measurement quantity of the downlink reference signal of the adjacent cell includes measuring at least one second downlink reference signal of the adjacent cell, and the radio link The failure information further includes the index of the second downlink reference signal.
The apparatus of claim 50, wherein:

The type of measurement relaxation includes the measurement quantity of the relaxed cell, the measurement quantity of the relaxed cell includes the measurement of at least one first cell, and the radio link failure information further includes the identifier of the first cell.
The apparatus of claim 50, wherein:

The type of measurement relaxation includes the measurement quantity of relaxation frequency points, the measurement quantity of relaxation frequency points includes measuring at least one first frequency point, and the wireless link failure information further includes information of the first frequency point.
The device of any one of claims 49-56, wherein,

The sending module is further configured to send first indication information, where the first indication information is used to indicate that the radio link failure information includes the measurement relaxation information.
A communication device, comprising:

a sending module, configured to send the minimum drive test configuration information, and used to instruct the terminal device to send the minimum drive test information according to the minimum drive test configuration information;

a receiving module, configured to receive the minimization drive test information, where the minimization drive test information includes measurement results of m downlink reference signals of neighboring cells and indexes of the m downlink reference signals, the m downlink reference signals The signal belongs to n downlink reference signals, the n downlink reference signals are the measured downlink reference signals of the neighboring cell, and both m and n are natural numbers.
The apparatus of claim 58, wherein

The sending module is further configured to send first indication information, where the first indication information is used to determine the m downlink reference signals.
The apparatus of claim 59, wherein

The first indication information used to determine the m downlink reference signals includes: the first indication information is used to indicate a first threshold;

The m downlink reference signals are the downlink reference signals greater than or equal to the first threshold in the measurement results of the n downlink reference signals.
The apparatus of claim 59, wherein

The first indication information being used to determine the m downlink reference signals includes: the first indication information being used to determine the value of m;

The measurement results of the n downlink reference signals are sorted in descending order, and the m downlink reference signals are the first m downlink reference signals in the sorting.
The device of any one of claims 59-61, wherein:

The first indication information is further used to indicate an index for sending the second downlink reference signal.
The device of any one of claims 59-62, wherein

The minimum drive test configuration information includes the first indication information.
The device of any one of claims 58-63, wherein:

The minimum drive test information is measurement information of the terminal equipment in the idle state and/or the terminal equipment in the inactive state.
A computer-readable storage medium comprising instructions which, when run on a computer, cause the computer to perform the method of any of claims 1-9.
A computer-readable storage medium comprising instructions which, when run on a computer, cause the computer to perform the method of any of claims 10-16.
A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any of claims 17-25.
A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any of claims 26-32.
A communication device, comprising a memory and a processor, the memory is used for storing instructions, the processor is used for executing the instructions stored in the memory, and executes the instructions stored in the memory according to any one of claims 1-9. one of the methods described.
A communication device, comprising a memory and a processor, the memory is used for storing instructions, the processor is used for executing the instructions stored in the memory, and executes the instructions stored in the memory according to any one of claims 10-16. one of the methods described.
A communication device, comprising a memory and a processor, the memory is used to store instructions, the processor is used to execute the instructions stored in the memory, and execute the instructions stored in the memory as in any one of claims 17-25. one of the methods described.
A communication device, comprising a memory and a processor, the memory is used to store instructions, the processor is used to execute the instructions stored in the memory, and execute the instructions stored in the memory as in any one of claims 26-32. one of the methods described.
A communication system, characterized by comprising the communication device according to any one of claims 33-41, and the communication device according to any one of claims 49-57.
A communication system, characterized by comprising the communication device according to any one of claims 42-48, and the communication device according to any one of claims 58-64.
A computer program, characterized in that, when the computer program is run on a computer, the computer is caused to execute the communication method according to any one of claims 1-9.
A computer program, characterized in that, when the computer program is run on a computer, the computer is caused to execute the communication method according to any one of claims 10-16.
A computer program, characterized in that, when the computer program is run on a computer, the computer is caused to execute the communication method according to any one of claims 17-25.
A computer program, characterized in that, when the computer program is run on a computer, the computer is caused to execute the communication method according to any one of claims 26-32.