Radio resource management measurement method and device

Abstract

The invention discloses a radio resource management measurement method and device, and the method comprises the steps: a target frequency point carries out data communication in a time division duplex mode, or a network where a terminal is located is a synchronous network, and the duration of carrying out RRM measurement on the target frequency point is determined to be a first time period or a second time period. Wherein the first time period is the duration of sending a synchronization signal and a physical broadcast channel block (SSB), and the second time period configures the duration of the SMTC for the SSB measurement time. And for the target frequency point, receiving target data within the duration of RRM measurement. Wherein the target data is used for RRM measurement. According to the method and the device, the first time period or the second time period can be selected as the duration of RRM measurement, and the RRM measurement can be carried out by adaptively adopting a proper time period, so that the power consumption is saved.

Description

Technical Field

[0001] The present application relates to the field of communications, and in particular to a radio resource management (RRM) measurement method and device. Background Art

[0002] In the new radio (NR) system, the synchronization signal and physical broadcast channel block (SSB) can occupy 4 orthogonal frequency division multiplexing (OFDM) symbols. Among them, one SSB can be composed of a synchronization signal and a physical broadcast channel (PBCH). The synchronization signal may include, for example, a primary synchronization signal (PSS) and a secondary synchronization signal (SSS). The 4 OFDM symbols occupied by the SSB may be PSS-PBCH1-SSS-PBCH2 in sequence.

[0003] The terminal can measure the SSB so as to perform subsequent communication processes based on the measured SSB, such as random access, cell switching, etc. Summary of the invention

[0004] The embodiments of the present application provide an RRM measurement method and device, which can adaptively use a suitable time period to perform RRM measurement, thereby saving power consumption.

[0005] In order to achieve the above objectives, this application adopts the following technical solutions:

[0006] In the first aspect, an RRM measurement method is provided, including: the target frequency point adopts time division duplex TDD mode for data communication, or the network where the terminal is located is a synchronous network, and the duration of RRM measurement of the target frequency point is determined to be a first time period or a second time period. Among them, the first time period is the duration of sending SSB, and the second time period is the duration of SSB measurement time configuration SMTC. For the target frequency point, the target data is received within the duration of the RRM measurement. Among them, the target data is used for RRM measurement. For example, the first time period can be recorded as Tssbmax, and the second time period can be recorded as Tsmtc.

[0007] The present application can select the first time period or the second time period as the duration of the RRM measurement, and can adaptively use a suitable time period for RRM measurement, thereby saving power consumption.

[0008] In one possible design, the first time period is determined based on the SSB time domain mode and the maximum number of SSBs. The SSB time domain mode is determined according to the target frequency point and the subcarrier spacing SCS. The maximum number of SSBs is related to the frequency band in which the target frequency point is located.

[0009] The first time period of the present application is determined according to relevant parameters of the target frequency point, so that when the terminal performs RRM measurement in the first time period, it can accurately obtain the SSB sent by the neighboring cell, saving power consumption while ensuring that the measurement performance is not reduced.

[0010] In one possible design, determining the duration of the RRM measurement to be the first time period or the second time period includes: if the first condition is not met, determining the duration of the RRM measurement to be the second time period.

[0011] The present application can use the duration corresponding to the SMTC to receive target data when the first condition is not met, so as to avoid the situation where the reliability of RRM detection is reduced due to the use of a shorter time to receive target data.

[0012] In a possible design, the first condition includes at least one of the following: the measured signal qualities of J SSBs in the service cell where the terminal is located are greater than or equal to a first signal quality threshold, where J is a positive integer; the signal-to-noise ratio SNR of the physical downlink control channel PDCCH corresponding to the service cell where the terminal is located is greater than or equal to the signal-to-noise ratio threshold; the bit error rate of the PDCCH corresponding to the service cell where the terminal is located is less than or equal to the bit error rate threshold; the demodulation performance of the PDCCH corresponding to the service cell where the terminal is located meets the preset demodulation performance requirements; the motion state of the terminal is stationary; the moving speed of the terminal is less than or equal to the speed threshold; in the service cell where the terminal is located, the measured SSB signal quality change rate is less than or equal to the signal quality change rate threshold; the difference between the SSB signal quality of the service cell where the terminal is located and the SSB signal quality of the target frequency is greater than or equal to the second signal quality threshold, where the SSB signal quality of the target frequency is the sum of the SSB signal qualities of the K neighboring cells corresponding to the target frequency, and K is a positive integer; the terminal does not reselect the cell; the terminal does not switch the cell.

[0013] The present application provides multiple possible situations of the first condition, so as to determine whether the first condition is met in different scenarios. According to whether the first condition is met, a suitable time period is selected to perform RRM measurement, which can improve the reliability of RRM measurement.

[0014] In one possible design, determining the duration of the RRM measurement to be the first time period or the second time period includes: satisfying a first condition, and determining the duration of the RRM measurement to be the first time period.

[0015] In the present application, when the first condition is met, the target data can be received in the time period corresponding to Tssbmax, thereby reducing the measurement power consumption.

[0016] In one possible design, the first condition is met, and the duration of the RRM measurement is determined to be the first time period or the second time period, including: meeting the second condition, determining that within N SMTC cycles out of M SMTC cycles, the duration of the RRM measurement is the first time period, and within the SMTC cycles other than N SMTC cycles out of M SMTC cycles, the duration of the RRM measurement is the second time period, where M represents the number of SMTC cycles, and N and M are positive integers.

[0017] The embodiment of the present application can adaptively select some SMTC cycles from multiple SMTC cycles to perform RRM measurement according to the first time period, and determine that the remaining SMTC cycles perform RRM measurement according to the second time period when the first condition and the second condition are met. This avoids all cycles using the same time period for RRM measurement, thereby reducing terminal power consumption.

[0018] In one possible design, the second condition includes at least one of the following: there are P SMTC cycles among Q SMTC cycles, and in the P SMTC cycles, each cell in the measurement list receives the target data within the first time period, and Q and P are positive integers; there are P SMTC cycles among Q SMTC cycles, and in the P SMTC cycles, X cells receive the target data within the first time period, wherein the X cells are determined based on the signal quality of each cell in the measurement list, and X is a positive integer.

[0019] The embodiment of the present application provides a variety of possible second conditions, so that based on the situation where the second condition is met, a suitable time period is selected to perform RRM measurement, which can improve the reliability of RRM measurement.

[0020] In one possible design, if the first condition is met, determining the duration of the RRM measurement to be the first time period or the second time period includes: if the second condition is not met, determining the duration of the RRM measurement to be the second time period.

[0021] The embodiment of the present application can use the time period corresponding to Tsmtc to receive target data when the first condition is met but the second condition is not met, so that it is suitable for scenarios where asynchronous cells exist and improves universality.

[0022] In one possible design, if the second condition is not met, the duration of the RRM measurement is determined to be the first time period or the second time period, including: if the third condition is met, the duration of the RRM measurement is determined to be the second time period; if the third condition is not met, the duration of the RRM measurement in N SMTC cycles out of M SMTC cycles is determined to be the first time period, and the duration of the RRM measurement in SMTC cycles other than N SMTC cycles out of M SMTC cycles is determined to be the second time period.

[0023] The embodiment of the present application can avoid using the same time period for RRM measurement in all cycles when there is no asynchronous cell, thereby reducing terminal power consumption.

[0024] In one possible design, the third condition includes: there are Y cells in the measurement list receiving target data outside the first time period, and the signal quality of at least Z cells among the Y cells meets the fourth condition, where Y is greater than or equal to Z, and Y and Z are positive integers.

[0025] The embodiment of the present application provides a possible third condition, so that based on the situation where the third condition is met, a suitable time period is selected to perform RRM measurement, which can improve the reliability of RRM measurement.

[0026] In one possible design, the fourth condition includes at least one of the following: the signal quality of the target cell is greater than or equal to a third signal quality threshold, where the target cell is any cell among Y cells; the difference between the signal quality of the target cell and the signal quality of the service cell where the terminal is located is greater than or equal to a fourth signal quality threshold.

[0027] The embodiment of the present application provides a variety of possible fourth conditions, so that based on the situation where the fourth condition is met, a suitable time period can be selected to perform RRM measurement, which can improve the reliability of RRM measurement.

[0028] In one possible design, receiving target data within the duration of RRM measurement includes: receiving target data within a receiving interval, wherein the receiving interval is a time period in the duration of RRM measurement used to receive target data; wherein the receiving interval is determined by at least one of the following methods: all symbols within the duration of RRM measurement, the symbols including uplink symbols and downlink symbols; all downlink symbols within the duration of RRM measurement; at least one of a first symbol and a second symbol within the duration of RRM measurement, wherein the first symbol is related to a symbol of SSB sent by a service cell where the terminal is located and a symbol of SSB sent by a neighboring cell, and the second symbol is A symbols adjacent to the first symbol, and A is an integer greater than or equal to 0; at least one of a third symbol and a fourth symbol within the duration of RRM measurement, wherein the third symbol is related to a symbol of SSB sent by a service cell where the terminal is located and a symbol of SSB historically measured by the terminal, and the fourth symbol is B symbols adjacent to the third symbol, and B is an integer greater than or equal to 0.

[0029] The embodiments of the present application provide a variety of methods for determining the data collection interval, so that data collection can be performed in a partial time period within the duration of RRM, thereby reducing the power consumption of the terminal.

[0030] In one possible design, the radio frequency RF is turned on within the data receiving interval; and / or the RF is turned off during a time period outside the data receiving interval during the duration of the RRM measurement.

[0031] The embodiment of the present application can determine to turn on the RF in the data collection interval within the duration of the RRM, and turn off the RF in the remaining time period, thereby achieving the purpose of saving terminal power consumption.

[0032] In one possible design, the duration of the first time period is a subset of the duration of the second time period; or, the duration of the first time period partially overlaps with the duration of the second time period.

[0033] The embodiments of the present application provide a variety of possible relationships between the first time period and the second time period to be applicable to different network configuration scenarios, and can adaptively select the first time period or the second time period as the duration of the RRM measurement, thereby saving power consumption.

[0034] In a second aspect, an RRM measurement device is provided. The RRM measurement device is used to implement the various RRM measurement methods involved in the first aspect. The RRM measurement device includes a module, unit, or means corresponding to the RRM measurement method, which can be implemented by hardware, software, or hardware executing corresponding software. The hardware or software includes one or more modules or units corresponding to the above functions.

[0035] In a third aspect, an RRM measurement device is provided. The RRM measurement device comprises: a processor and a memory; the memory is used to store computer instructions, and when the processor executes the instructions, the RRM measurement device executes the RRM measurement method of any of the above aspects.

[0036] In a fourth aspect, a chip system is provided, which includes a processor and an input / output port, the processor being used to implement the processing functions involved in the RRM measurement method of any of the above aspects, and the input / output port being used to implement the transceiver functions involved in the RRM measurement method of any of the above aspects.

[0037] In one possible design, the chip system also includes a memory, which is used to store program instructions and data for implementing functions involved in the RRM measurement method of any of the above aspects.

[0038] The chip system may be composed of chips, or may include chips and other discrete devices.

[0039] In a fifth aspect, a communication system is provided, which includes a terminal device for executing any method of any of the above aspects, and a network device for executing any method of any of the above aspects.

[0040] In a sixth aspect, a computer-readable storage medium is provided. The computer-readable storage medium stores computer instructions; when the computer instructions are executed on a computer, the computer executes a communication method designed in any of the above aspects.

[0041] In a seventh aspect, a computer program product is provided, which includes a computer program or instructions, and when the computer program or instructions are executed on a computer, the computer executes a communication method designed in any of the above aspects. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 An example diagram of the architecture of a communication system provided in an embodiment of the present application;

[0043] Figure 2 A schematic diagram of SSB transmission provided in an embodiment of the present application;

[0044] Figure 3 Another SSB transmission schematic diagram provided in an embodiment of the present application;

[0045] Figure 4 A schematic diagram of an RRM measurement method provided in an embodiment of the present application;

[0046] Figure 5 A schematic diagram of duration provided for an embodiment of the present application;

[0047] Figure 6 Another duration diagram provided for an embodiment of the present application;

[0048] Figure 7 A flow chart of an RRM measurement method provided in an embodiment of the present application;

[0049] Figure 8 A flow chart of another RRM measurement method provided in an embodiment of the present application;

[0050] Fig. 9 A flow chart of another RRM measurement method provided in an embodiment of the present application;

[0051] Fig.10 A schematic diagram of the structure of an RRM measurement device provided in an embodiment of the present application;

[0052] Fig.11 A schematic diagram of the structure of another RRM measurement device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0053] The network architecture and business scenarios described in the embodiments of the present application are intended to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided in the embodiments of the present application. A person of ordinary skill in the art can appreciate that with the evolution of the network architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0054] The terms "first" and "second" in the description and drawings of the embodiments of the present application are used to distinguish different objects, or to distinguish different treatments of the same object. The words "first" and "second" can distinguish the same items or similar items with basically the same functions and effects. For example, the first device and the second device are only used to distinguish different devices, and their order is not limited. Those skilled in the art will understand that the words "first" and "second" do not limit the quantity and execution order, and the words "first" and "second" do not necessarily limit them.

[0055] "At least one" means one or more, and "plurality" means two or more.

[0056] In the description of the embodiments of the present application, unless otherwise specified, " / " indicates that the objects associated before and after are in an "or" relationship, for example, A / B can represent A or B; "and / or" in the embodiments of the present application is merely a description of the association relationship of associated objects, indicating that three relationships may exist, for example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural.

[0057] In the description of the embodiments of the present application, unless otherwise specified, "multiple" refers to two or more than two. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single items or plural items. For example, at least one of a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple.

[0058] In addition, in order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, words such as "first" and "second" are used to distinguish the same items or similar items with substantially the same functions and effects. Those skilled in the art can understand that words such as "first" and "second" do not limit the quantity and execution order, and words such as "first" and "second" do not necessarily limit the difference.

[0059] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a concrete way for easy understanding.

[0060] It is understood that the "embodiment" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the embodiment of the present application. Therefore, the various embodiments in the entire specification do not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. It is understood that in various embodiments of the embodiment of the present application, the size of the sequence number of each process does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application.

[0061] It can be understood that in the embodiments of the present application, "when" and "if" both mean that corresponding processing will be performed under certain objective circumstances, and do not limit the time, nor do they require any judgment actions when implementing them, nor do they mean that there are other limitations.

[0062] It can be understood that some optional features in the embodiments of the present application may be implemented independently in certain scenarios without relying on other features, such as the solution on which they are currently based, to solve corresponding technical problems and achieve corresponding effects, and may also be combined with other features according to needs in certain scenarios. Accordingly, the devices given in the embodiments of the present application may also realize these features or functions accordingly, which will not be elaborated here.

[0063] In the embodiments of the present application, unless otherwise specified, the same or similar parts between the various embodiments can refer to each other. In the various embodiments of the present application, and the various implementation methods / implementation methods / implementation methods in the various embodiments, if there is no special description and logical conflict, the terms and / or descriptions between the different embodiments and the various implementation methods / implementation methods / implementation methods in the various embodiments are consistent and can be referenced to each other, and the technical features in the different embodiments and the various implementation methods / implementation methods / implementation methods in the various embodiments can be combined to form new embodiments, implementation methods, implementation methods, or implementation methods according to their inherent logical relationships. The implementation methods of the embodiments of the present application described below do not constitute a limitation on the scope of protection of the embodiments of the present application.

[0064] Figure 1 This is an example diagram of the architecture of the communication system provided in an embodiment of the present application.

[0065] like Figure 1 As shown, the communication system involved in the embodiment of the present application may include at least one terminal 110 and a network device 120. The terminal 110 and the network device 120 communicate with each other in a wireless manner. The network device 120 may be a wireless access network device. Terminal devices and terminal devices, and wireless access network devices and wireless access network devices may be connected to each other in a wired or wireless manner. Figure 1 This is just a schematic diagram. The communication system may also include other network devices, such as wireless relay equipment, wireless backhaul equipment, core network equipment, etc. Figure 1 The connection relationship between the devices is not limited to the above-mentioned methods.

[0066] The wireless access network device may be a base station, an evolved NodeB (eNodeB), a transmission reception point (TRP), a next generation NodeB (gNB) in the fifth generation (5G) mobile communication system, a next generation base station in the sixth generation (6G) mobile communication system, a base station in a future mobile communication system, or an access node in a WiFi system, etc.; it may also be a module or unit that completes some functions of a base station, for example, a centralized unit (CU) or a distributed unit (DU). The wireless access network device may be a macro base station, a micro base station or an indoor station, a relay node or a donor node, etc. The embodiments of the present application do not limit the specific technology and specific device form adopted by the wireless access network device. The wireless access network device is sometimes also referred to as a network device. For ease of description, the following description takes a base station as an example of a wireless access network device.

[0067] Terminal devices may also be referred to as terminals, user equipment (UE), mobile stations, mobile terminals, etc. Terminal devices can be widely used in various scenarios, for example, device-to-device (D2D), vehicle to everything (V2X) communication, machine-type communication (MTC), Internet of Things (IOT), virtual reality, augmented reality, industrial control, autonomous driving, telemedicine, smart grid, smart furniture, smart office, smart wear, smart transportation, smart city, etc. Terminal devices may be mobile phones, tablet computers, computers with wireless transceiver functions, wearable devices, vehicles, drones, helicopters, airplanes, ships, robots, robotic arms, smart home devices, etc. The embodiments of the present application do not limit the specific technology and specific device form adopted by the terminal devices.

[0068] Base stations and terminal devices can be fixed or mobile. Base stations and terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on the water surface; they can also be deployed on aircraft, balloons, and artificial satellites in the air. The embodiments of the present application do not limit the application scenarios of base stations and terminal devices.

[0069] Base stations and terminal devices, base stations and base stations, and terminal devices and terminal devices can communicate through authorized spectrum, unauthorized spectrum, or both; they can communicate through spectrum below 6 gigahertz (GHz), spectrum above 6 GHz, or spectrum below 6 GHz and spectrum above 6 GHz. The present application embodiment does not limit the spectrum resources used for wireless communication.

[0070] In the embodiments of the present application, the functions of the base station may also be performed by a module (such as a chip) in the base station, or by a control subsystem including the base station functions. The control subsystem including the base station functions here may be a control center in the application scenarios of the above-mentioned terminal devices such as smart grid, industrial control, smart transportation, smart city, etc. The functions of the terminal device may also be performed by a module (such as a chip or a modem) in the terminal device, or by a device including the terminal device functions.

[0071] In the NR system, SSB can occupy 4 OFDM symbols, where one SSB can be composed of a synchronization signal and a PBCH. The synchronization signal can include, for example, PSS and SSS. The 4 OFDM symbols occupied by SSB can be PSS-PBCH1-SSS-PBCH2 in sequence.

[0072] In some embodiments, the subcarrier spacing (SCS) of SSB may include 15 kilohertz (KHz), 30 KHz, 120 KHz, 240 KHz, etc. Among them, 15 KHz and 30 KHz are applicable to the frequency band below 6 GHz, and 120 KHz and 240 KHz are applicable to the frequency band above 6 GHz.

[0073] In some embodiments, a synchronization signal (SS) burst set may be composed of up to a plurality of Lmax SSBs, and the SS burst set may be transmitted in a periodic form. The number of Lmax is related to the frequency band. For example, in some frequency bands, Lmax is 4 or 8; in other frequency bands, Lmax may reach 64. Of course, the embodiments of the present application do not limit the specific number of Lmax, nor do they limit the specific correspondence between Lmax and the frequency band.

[0074] In some embodiments, for different SSBs within an SS burst set period, the network device may use different transmission beam directions for transmission. Different SSBs may have different SSB indexes. Among them, the SS burst set period may also be referred to as the SSB period. In some examples, the value set of the SSB period may be {5, 10, 20, 40, 80, 160} milliseconds (ms). In other examples, all SSBs within the SSB period may be limited to a duration of 5ms. In other words, all SSBs within an SS burst set are transmitted within a duration of 5ms.

[0075] For the SSB cycle, all time periods used to send SSB can be collectively referred to as Tssbmax time periods, abbreviated as Tssbmax. In some embodiments, the Tssbmax can be determined by the SSB time domain pattern and Lmax. Among them, the SSB time domain pattern may include, for example, mode A, mode B, mode C, mode D and mode E. Which SSB time domain mode to select can be determined based on the frequency and SCS. For example, assuming that the SSB time domain mode is mode (case) C, the SCS is 30KHz, and Lmax is 8, Tssbmax can be 2ms.

[0076] In some examples, Tssbmax can be considered as the maximum duration of sending or receiving SSB. Of course, in other examples, Tssbmax can also be considered as the preset duration of sending or receiving SSB, which may be the maximum or not, and the embodiments of the present application are not limited.

[0077] For example Figure 2 A schematic diagram of sending SSB is shown. It can be seen that the symbol lengths corresponding to different SCSs are different. Therefore, for different SCSs, the number of symbols in the same duration is also different. Figure 2 The figure shows the case where SSB is sent when the subcarrier spacing is 15KHz and 30KHz. For example, the case where SSB is sent when the SSB transmission mode is mode A and the subcarrier spacing is 15KHz; the case where SSB is sent when the SSB transmission mode is mode B and the subcarrier spacing is 30KHz; the case where SSB is sent when the SSB transmission mode is mode C and the subcarrier spacing is 30KHz. Figure 2 Symbols with the same filling pattern are used to send the same SSB. SSBs with different filling patterns can be transmitted using different transmission beams. Among them, when the SCS is 30KHz, there can be different ways to send SSB in different SSB transmission modes.

[0078] Figure 3It shows the situation of sending SSB when the subcarrier spacing is 120KHz and 240KHz. For example, the situation of sending SSB when the SSB transmission mode is mode D and the subcarrier spacing is 120KHz; the situation of sending SSB when the SSB transmission mode is mode E and the subcarrier spacing is 240KHz. Figure 3 and Figure 2 The difference is the SSB transmission mode and the subcarrier spacing. Figure 3 Symbols with the same fill pattern but different fill colors should also be considered as different SSBs sent.

[0079] I understand. Figure 2 and Figure 3 This is only one possible situation of sending SSB occupied symbols, and the embodiments of the present application are not limited to this.

[0080] In some embodiments, the terminal may measure the SSB. For example, RRM measurement may be performed. The RRM measurement may be performed in the SSB measurement time configuration (SMTC). For example, when the terminal performs RRM measurement, the SSB search measurement may be performed according to the time period of receiving data configured by the SMTC. For another example, the terminal may identify and discover new cells or measure known cells by performing RRM measurement.

[0081] RRM measurement may include its measurement period, such as RRM mobility layer (layer, L) 3 measurement for the terminal. The serving cell or neighboring cell may be measured at a certain period, including measurement of the signal quality of existing cells, and search, identification and measurement of newly emerged cells.

[0082] The target signal of the RRM measurement may be SSB, that is, the measurement object (MO) may be based on SSB.

[0083] It is worth noting that in each embodiment of the present application, the received data may be referred to as received data.

[0084] In some embodiments, the configuration of SMTC may include: a set of SMTC period configuration values ​​and a set of SMTC duration configuration values. For example, the set of SMTC period configuration values ​​may be {5, 10, 20, 40, 80, 160} ms. For another example, the set of SMTC duration configuration values ​​may be {1, 2, 3, 4, 5} ms.

[0085] In some embodiments, the relevant configuration of SMTC may include: the same-frequency SMTC period for SSB RRM measurement is greater than or equal to the SSB period of this area. Among them, this area can be understood as the serving cell where the terminal is currently located. The same frequency can be considered to be the same frequency point of the measured cell and the serving cell where the terminal is currently located. It can be understood that one frequency point may include multiple cells.

[0086] In some embodiments, the relevant configuration of SMTC may include: Tsmtc time period. Among them, the Tsmtc time period can be determined by the SMTC cycle, the timing offset and the duration of the SMTC. That is, Tsmtc can represent the time period for which SMTC is actually performed. In some examples, the timing offset represents the offset of the start time of Tsmtc compared to the start time of the SMTC cycle. Therefore, the start time position of the actual SMTC can be determined by the timing offset and the SMTC cycle.

[0087] For SMTC configuration, factors such as the actual SSB sent by the neighboring cell and the timing deviation with the serving cell need to be considered. For scenarios where the SMTC configuration duration is longer, such as greater than 2ms, if data is collected according to the configured SMTC duration, it will cause greater RRM measurement power consumption.

[0088] In some schemes, a method for determining a search window and an SSB bitmap is provided to determine at which time domain positions RRM measurements are performed. In this scheme, the terminal can rely on various parameters configured by the network device to determine the search window and the SSB bitmap. Among them, the parameters may include a synchronization indication parameter, a first parameter, and a second parameter. For example, the synchronization indication parameter may be recorded as deriveSSBIndexFromCell; the first parameter may be recorded as ssb_PositionsInBurst, which is used to indicate the time domain position of the SSB in the SS burst concentration of the serving cell; the second parameter may be recorded as ssb_ToMeasure, which is used to indicate the time domain position of the SSB in the SS burst concentration of at least one neighboring cell, as well as the SMTC configuration parameters.

[0089] In this scheme, different SSB bitmap generation methods are provided for synchronous networks and asynchronous networks, respectively, to determine the specific search window method. For example, in the scenario of a synchronous network, the SSB bitmap can be determined by the intersection of different parameters. For example, the terminal can generate an SSB bitmap according to (ssb_PositionsInBurst)∪(ssb_ToMeasure∩SMTC). Assume that the bitmap corresponding to ssb_PositionsInBurst is 10110001, the bitmap corresponding to ssb_ToMeasure is 01101100, and the SMTC duration corresponds to the first 4 bits of the bitmap. The resulting SSB bitmap can be 11110001. The terminal can determine that the search window extends from the first time slot indicated in the SSB bitmap for measuring the SSB to the last time slot indicated in the SSB bitmap for measuring the SSB.

[0090] However, this solution has some problems. For the actual time division duplexing (TDD) scenario of the existing network, the deriveSSBIndexFromCell parameter is usually set to true by default. However, due to network deployment and other reasons, the actual adjacent cells may not meet the synchronization relationship. Therefore, the fixed SMTC window calculated by the above solution will not be able to detect asynchronous cells in time, which will cause the terminal's mobility management performance to deteriorate.

[0091] Therefore, the embodiment of the present application provides an RRM measurement method, which can determine to use the first time period or the second time period as the duration of the RRM measurement when the target frequency adopts the TDD mode or the network where the terminal is located is a synchronous network, so that the terminal can adaptively use the appropriate time period for RRM measurement to save power consumption.

[0092] Figure 4 A schematic diagram of an RRM measurement method provided in an embodiment of the present application.

[0093] like Figure 4 As shown, the communication process can be applied to Figure 1 In the communication scenario shown, the method may include the following steps:

[0094] S401, the network device sends SSB.

[0095] In some embodiments, the network device may send an SSB, and the terminal may measure the corresponding SSB to perform random access and subsequent communication processes.

[0096] It is worth noting that S401 can be executed at any time before S403. That is, S401 can be executed before S402, S401 can also be executed after S402 and before S403, and S401 can also be executed simultaneously with S402, which is not limited in the embodiment of the present application.

[0097] S402, the terminal determines that the target frequency point adopts TDD mode for data communication, or the network where the terminal is located is a synchronous network, and determines that the duration of RRM measurement on the target frequency point is the first time period or the second time period.

[0098] In some embodiments, the terminal may determine that the target frequency point uses a TDD mode for data communication. Alternatively, the terminal determines that the network where its own device is located is a synchronous network. In this case, the terminal may determine to use the first time period or the second time period as the duration for performing RRM measurement on the target frequency point.

[0099] In some embodiments, the target frequency may be considered as the frequency at which the terminal performs RRM measurement. The frequency may be the same as the frequency of the serving cell where the terminal is currently located, i.e., the same frequency. Alternatively, the frequency may be different from the frequency of the serving cell where the terminal is currently located, i.e., different frequency.

[0100] It is understandable that, when the target frequency point adopts the TDD mode for data communication, it can be assumed by default that the network where the terminal is located is a synchronous network.

[0101] In some embodiments, the terminal determines that the network where its own device is located is a synchronous network, which can be determined through configuration information sent by the network device.

[0102] For example, a network device sends configuration information to a terminal, and the configuration information carries a synchronization indication. In some examples, the synchronization indication may include a same-frequency synchronization indication and may also include a different-frequency synchronization indication. For example, a same-frequency synchronization indication may be recorded as deriveSSBIndexFromCell. For another example, a different-frequency synchronization indication may be recorded as deriveSSBIndexFromCellInter-R17. When the same-frequency indication is true, the terminal may determine that the network where its own device is located is a synchronous network.

[0103] For another example, the heterodyne synchronization indication can be divided into the heterodyne synchronization indication supporting version (release, R) 17 and the heterodyne synchronization indication supporting R16. Among them, deriveSSBIndexFromCellInter-R17 can be considered as the heterodyne synchronization indication supporting R17. The heterodyne synchronization indication supporting R16 can be the same as the co-frequency synchronization indication, for example, recorded as deriveSSBIndexFromCell. It can be understood that for the heterodyne synchronization indication supporting R16, it can be distinguished from the co-frequency synchronization indication by placing it in the heterodyne configuration. That is to say, if deriveSSBIndexFromCell is located in the co-frequency configuration, it indicates the co-frequency synchronization indication; if deriveSSBIndexFromCell is located in the heterodyne configuration, it indicates the heterodyne synchronization indication.

[0104] In some embodiments, the first time period may be a duration for sending the SSB. For example, the first time period may be recorded as Tssbmax. Of course, in some examples, the first time period may also be considered as the maximum duration for sending the SSB.

[0105] In some embodiments, the second time period may be a duration of SMTC. For example, the second time period may be recorded as Tsmtc.

[0106] In some embodiments, when the inter-frequency synchronization indication supporting R17 is true, that is, the deriveSSBIndexFromCellInter-R17 indication is true. The target frequency point can be considered as an inter-frequency frequency point supporting R17, that is, the neighboring cell is an inter-frequency neighboring cell. The Tssbmax position of the inter-frequency neighboring cell supporting R17 can be determined according to the cell timing of the inter-frequency neighboring cell, the SCS of the inter-frequency frequency point, and the Lmax.

[0107] It is understandable that each frequency point can have a corresponding Tssbmax.

[0108] In some embodiments, when the inter-frequency synchronization indication supporting R16 is true, the target frequency can be considered to be an inter-frequency frequency supporting R16. In this case, a reference cell can be determined, and the Tssbmax position can be determined based on the cell timing of the reference cell, the SCS of the inter-frequency frequency, and the Lmax. Among them, the reference cell can be considered to be a cell after the terminal decodes the physical broadcast channel (PBCH) and obtains the frame header timing information.

[0109] For the same frequency situation, the Tssbmax position can be determined based on the cell timing of the service cell where the terminal is located, the SCS and Lmax of the frequency point corresponding to the service cell where the terminal is located.

[0110] Of course, the Tsmtc position can be determined according to the SMTC configuration information sent by the network device.

[0111] S403: Receive target data for the target frequency within the duration of the RRM measurement.

[0112] In some embodiments, for the target frequency point, the terminal may receive target data within the duration of the RRM measurement determined in S402, wherein the target data is used for the RRM measurement.

[0113] In some embodiments, when the terminal determines that the duration of the RRM measurement is a first time period, the terminal receives target data within the first time period for the target frequency point.

[0114] For example, the first time period is Tssbmax. That is, the terminal receives target data within Tssbmax for the target frequency point.

[0115] In some embodiments, when the terminal determines that the duration of the RRM measurement is a second time period, the terminal receives target data within the second time period for the target frequency point.

[0116] For example, the second time period is Tsmtc. That is, the terminal receives target data within Tsmtc for the target frequency point.

[0117] In some embodiments, the target data may include, for example, an SSB sent by a neighboring cell. It can be understood that the terminal measures the SSB of the neighboring cell to implement communication functions such as random access and cell switching.

[0118] Of course, in some embodiments, the target data may also include the SSB sent by the serving cell where the terminal is located.

[0119] The embodiment of the present application selects the first time period or the second time period as the duration of the RRM measurement, and can adaptively use a suitable time period for RRM measurement, thereby saving power consumption.

[0120] In an RRM measurement method provided in an embodiment of the present application, the first time period can be determined based on the SSB time domain mode and the maximum number of SSBs. The SSB time domain mode is determined according to the target frequency and the subcarrier spacing SCS. The maximum number of SSBs is related to the frequency band where the target frequency is located.

[0121] In some embodiments, the first time period can be determined according to the SSB time domain mode and the maximum number of SSBs. The maximum number of SSBs is the Lmax mentioned in the above embodiment. The SSB time domain mode is the one mentioned in the above embodiment, for example, it can include mode A, mode B, mode C, mode D and mode E.

[0122] In some embodiments, the SSB time domain mode may be determined based on the target frequency and SCS. For example, the terminal determines which SSB time domain mode to use based on the frequency and SCS of the neighboring cell. Of course, the specific correspondence between the SSB time domain mode and the frequency and SCS is not limited in the embodiments of the present application. For details, please refer to the relevant technology and adjust according to the actual situation.

[0123] In some embodiments, the maximum number of SSBs may be related to the frequency band where the target frequency is located. For example, in some frequency bands, Lmax may be 4 or 8. For another example, in other frequency bands, Lmax may reach 64. The embodiments of the present application do not limit the specific correspondence between the target frequency and the maximum number of SSBs, and may be adjusted according to actual conditions.

[0124] The first time period of the embodiment of the present application is determined according to relevant parameters of the target frequency point, so that when the terminal performs RRM measurement in the first time period, it can accurately obtain the SSB sent by the neighboring cell, saving power consumption while ensuring that the measurement performance is not reduced.

[0125] In an RRM measurement method provided in an embodiment of the present application, determining the duration of the RRM measurement to be the first time period or the second time period may include: if the first condition is not met, determining the duration of the RRM measurement to be the second time period.

[0126] In some embodiments, if the first condition is not met, the terminal may determine that the duration of the RRM measurement is the second time period. For example, if the terminal determines that the first condition is not met, the second time period may be used as the duration of the RRM measurement, so as to receive target data within the second time period for the target frequency.

[0127] In some embodiments, the first condition may be a corresponding condition indicating that the signal quality of the current serving cell is good and the terminal mobility is not high. It may also be considered that the first condition may be a condition that does not require cell reselection or cell switching. Of course, the above-mentioned serving cell signal quality is good, which can be determined by comparing the serving cell signal quality with a corresponding threshold (threshold, TH). The terminal mobility is not high can also be determined by comparing the terminal speed, speed change and the corresponding threshold. The specific determination method is not limited in the embodiments of the present application.

[0128] Assuming that the second time period is Tsmtc, the terminal may receive target data within Tsmtc for the target frequency when determining that the first condition is not met, that is, receive data according to Tsmtc for the target frequency.

[0129] In the embodiment of the present application, when the first condition is not met, the duration corresponding to the SMTC may be used to receive the target data, so as to avoid the situation where a shorter time is used to receive the target data and the RRM detection reliability is reduced.

[0130] In an RRM measurement method provided in an embodiment of the present application, the first condition includes at least one of the following: within the service cell where the terminal is located, the measured signal qualities of J SSBs are greater than or equal to a first signal quality threshold, where J is a positive integer; the signal to noise ratio (SNR) of the physical downlink control channel (PDCCH) corresponding to the service cell where the terminal is located is greater than or equal to the signal to noise ratio threshold; the bit error rate of the PDCCH corresponding to the service cell where the terminal is located is less than or equal to the bit error rate threshold; the demodulation performance of the PDCCH corresponding to the service cell where the terminal is located meets the preset demodulation performance requirements; the motion state of the terminal is stationary; the moving speed of the terminal is less than or equal to the speed threshold; within the service cell where the terminal is located, the measured SSB signal quality change rate is less than or equal to the signal quality change rate threshold; the difference between the SSB signal quality of the service cell where the terminal is located and the SSB signal quality of the target frequency is greater than or equal to the second signal quality threshold, where the SSB signal quality of the target frequency is the sum of the SSB signal qualities of the K neighboring cells corresponding to the target frequency, and K is a positive integer; the terminal does not reselect the cell; the terminal does not switch the cell.

[0131] In some embodiments, the first condition may include that the signal qualities of J SSBs measured in the serving cell where the terminal is located are greater than or equal to a first signal quality threshold, where J is a positive integer.

[0132] For example, the terminal may measure one or more SSB signal qualities in the serving cell. When J SSB signal qualities among the measured one or more SSB signal qualities are greater than or equal to a preset first signal quality threshold, it may be considered that the first condition is met.

[0133] For example, the J SSB signal qualities may be any J SSB signal qualities among the measured one or more SSB signal qualities. Alternatively, the measured one or more SSB signal qualities may be sorted from high to low according to the numerical values, or from low to high according to the numerical values. The first J SSB signal qualities are selected according to the sorted one or more SSB signal qualities.

[0134] Of course, when the number of actually measured SSB signal qualities is less than J, it can be determined whether the first condition is met based on all measured SSB signal qualities.

[0135] In some embodiments, the SSB signal quality may include a reference signal received power (RSRP) of the SSB. It can be understood that, in this embodiment, the first signal quality threshold may be a first RSRP threshold.

[0136] In some embodiments, the SSB signal quality may include a reference signal received quality (RSRQ) of the SSB. It can be understood that, in this embodiment, the first signal quality threshold may be a first RSRQ threshold.

[0137] In some embodiments, the SSB signal quality may include a signal to interference and noise ratio (SINR) of the SSB. It can be understood that, in this embodiment, the first signal quality threshold may be a first SINR threshold.

[0138] In some embodiments, the first condition may include that the SNR of the PDCCH corresponding to the serving cell where the terminal is located is greater than or equal to a signal-to-noise ratio threshold.

[0139] For example, the terminal may determine the SNR of the PDCCH corresponding to the serving cell in which it is located. When the SNR is greater than or equal to a preset signal-to-noise ratio threshold, it may be considered that the first condition is met.

[0140] In some embodiments, the first condition may include that a bit error rate of a PDCCH corresponding to a serving cell where the terminal is located is less than or equal to a bit error rate threshold.

[0141] For example, the terminal may determine the bit error rate of the PDCCH corresponding to the serving cell in which it is located. When the bit error rate is less than or equal to a preset bit error rate threshold, it may be considered that the first condition is met.

[0142] In some embodiments, the first condition may include that the demodulation performance of the PDCCH corresponding to the serving cell where the terminal is located meets a preset demodulation performance requirement.

[0143] For example, the terminal may determine the demodulation performance of the PDCCH corresponding to the serving cell in which it is located. If the demodulation performance meets the preset demodulation performance requirement, it may be considered that the first condition is met.

[0144] Among them, the demodulation performance can be represented by reference to SNR, block error rate, bit error rate, etc. It can be understood that meeting the demodulation performance requirements can be understood as that the terminal can decode the PDCCH, and the difference between the decoded information and the original information is less than or equal to the maximum difference allowed by the terminal. In other words, although there is interference and other conditions during the data transmission process, it will not have a great impact on the data decoding, and the terminal can still decode relatively completely.

[0145] Of course, the above only illustrates possible demodulation performance situations, but it is not to be understood that the embodiments of the present application are limited to this.

[0146] In some embodiments, the first condition may include that the motion state of the terminal is stationary.

[0147] For example, the motion state of the terminal is stationary, that is, the terminal is stationary. It can also be considered that the moving speed of the terminal is 0. In this case, it can be considered that the terminal meets the first condition.

[0148] In some embodiments, the first condition may include that a moving speed (velocity) of the terminal is less than or equal to a speed threshold.

[0149] For example, the terminal can determine the moving speed of its own device. For example, the moving speed of the terminal can be determined by a sensor installed on the terminal; or the moving speed of the terminal can be measured by connecting to a satellite through a network. When the moving speed of the terminal is less than or equal to a preset speed threshold, it can be considered that the first condition is met.

[0150] It is understandable that the first condition related to the terminal moving speed can assist in determining whether the terminal is stationary or moving slowly. In such scenarios, it can be considered that the terminal is likely to remain in the current communication cell and does not need to frequently switch cells or reselect cells.

[0151] In some embodiments, the first condition may include that the measured SSB signal quality change rate in the service cell where the terminal is located is less than or equal to a signal quality change rate threshold.

[0152] For example, the terminal may measure one or more SSB signal qualities within the serving cell. The terminal may determine the rate of change for a certain type of signal quality. For example, the terminal may measure the RSRP of multiple SSBs and determine the RSRP change rate based on the multiple RSRPs. When the SSB signal quality change rate is less than or equal to a preset signal quality change rate threshold, it may be considered that the first condition is met.

[0153] For example, the SSB signal quality change rate is the RSRP change rate of the SSB, and the signal quality change rate threshold may be the RSRP change rate threshold. For another example, the SSB signal quality change rate is the RSRQ change rate of the SSB, and the signal quality change rate threshold may be the RSRQ change rate threshold. For another example, the SSB signal quality change rate is the SINR change rate of the SSB, and the signal quality change rate threshold may be the SINR change rate threshold.

[0154] It is understandable that this fact can be understood through the change of SSB signal quality. When the change is small, it can also be considered that the terminal may be in a static or slow moving scene. It can be considered that the terminal is likely to remain in the current communication cell and does not need to frequently switch cells or reselect cells.

[0155] In some embodiments, the first condition may include the difference between the SSB signal quality of the service cell where the terminal is located and the SSB signal quality of the target frequency, which is greater than or equal to the second signal quality threshold, wherein the SSB signal quality of the target frequency is the sum of the SSB signal qualities of K neighboring cells corresponding to the target frequency, and K is a positive integer.

[0156] For example, the terminal can determine the SSB signal quality of the service cell where the terminal is located, and the SSB signal quality of the target frequency. Assume that the SSB signal quality of the service cell where the terminal is located is called the SSB signal quality of the local area, and the SSB signal quality of the target frequency is called the SSB signal quality of the neighboring area. The difference between the SSB signal quality of the local area and the SSB signal quality of the neighboring area can be determined. When the difference is greater than or equal to the pre-set second signal quality threshold, it can be considered that the first condition is met.

[0157] It is understandable that when determining the difference between the local SSB signal quality and the neighboring SSB signal quality, the same type of signal quality should be used, for example, the local SSB signal quality and the neighboring SSB signal quality are both RSRP, or the local SSB signal quality and the neighboring SSB signal quality are both RSRQ.

[0158] In some embodiments, the SSB signal quality of the target frequency point may be the sum of the SSB signal qualities of K neighboring cells corresponding to the target frequency point. For example, the terminal measures the SSB signal qualities of multiple neighboring cells by measuring the signal of the neighboring cell. K neighboring cells may be selected from the measured multiple neighboring cells, and the SSB signal qualities of the K neighboring cells may be summed up as the SSB signal quality of the target frequency point.

[0159] For example, K neighboring cells can be determined based on the SSB signal quality. For example, the neighboring cells are sorted from high to low or from low to high according to the SSB signal quality of each neighboring cell measured by the terminal, and the first K neighboring cells in the sorting are selected. Of course, if the number of neighboring cells measured by the terminal is less than K, the SSB signal quality of all neighboring cells can be directly used to obtain the SSB signal quality of the target frequency.

[0160] In some embodiments, the first condition may include that the terminal does not perform cell reselection.

[0161] For example, when the terminal does not perform cell reselection, it can be considered that the first condition is met.

[0162] For example, the terminal may determine that the terminal does not perform cell reselection based on location information of the terminal and a network device, measurement parameters measured by a sensor, and / or artificial intelligence (AI) prediction.

[0163] In some embodiments, the first condition may include that the terminal does not perform cell switching.

[0164] For example, when the terminal does not perform cell switching, it can be considered that the first condition is met.

[0165] For example, the terminal may determine that the terminal does not perform cell switching based on location information of the terminal and a network device, measurement parameters measured by a sensor, and / or artificial intelligence (AI) prediction.

[0166] Those skilled in the art should note that the first condition of the embodiment of the present application is not limited to the above-mentioned example, but may also include other conditions that may indicate that the current signal of the terminal is good or the terminal mobility is slow, and the embodiment of the present application is not limited thereto.

[0167] The embodiment of the present application provides multiple possible situations of the first condition, so as to determine whether the first condition is met in different scenarios. According to whether the first condition is met, a suitable time period is selected to perform RRM measurement, which can improve the reliability of RRM measurement.

[0168] In an RRM measurement method provided in an embodiment of the present application, determining the duration of the RRM measurement to be a first time period or a second time period includes: satisfying a first condition, and determining the duration of the RRM measurement to be the first time period.

[0169] In some embodiments, when the first condition is met, the terminal may determine that the duration of the RRM measurement is the first time period. For example, if the terminal determines that the first condition is met, the first time period may be used as the duration of the RRM measurement, so as to receive target data within the first time period for the target frequency point.

[0170] Assuming that the first time period is Tssbmax, the terminal can receive target data within Tssbmax for the target frequency when determining that the first condition is met, that is, receive data according to Tssbmax for the target frequency.

[0171] In the embodiment of the present application, when the first condition is met, the target data can be received in the time period corresponding to Tssbmax, thereby reducing the measurement power consumption.

[0172] In an RRM measurement method provided in an embodiment of the present application, a first condition is met, and the duration of the RRM measurement is determined to be a first time period or a second time period, including: when a second condition is met, it is determined that within N SMTC cycles out of M SMTC cycles, the duration of the RRM measurement is the first time period, and within the SMTC cycles other than N SMTC cycles out of M SMTC cycles, the duration of the RRM measurement is the second time period, wherein M represents the number of SMTC cycles, and N and M are positive integers.

[0173] In some embodiments, when the first condition is met, it can also be determined whether the second condition is met. When it is determined that the second condition is met, it can be determined that the duration of the RRC measurement in N SMTC cycles among the M SMTC cycles can be the first time period. And in the M SMTC cycles, in other SMTC cycles except the above N SMTC cycles, the duration of the RRC measurement can be the second time period.

[0174] For example, when the terminal determines that the first condition is met and the second condition is met, for M SMTC cycles, N SMTC cycles can be selected to determine the duration of RRM measurement as the first time period; and for the remaining SMTC cycles in the M SMTC cycles, the duration of RRM measurement is determined to be the second time period.

[0175] Of course, it can be understood that M SMTC cycles do not necessarily refer to all SMTC cycles. It can be understood that, in every M SMTC cycles, N SMTC cycles are selected to determine the duration of the RRM measurement as the first time period. For example, assume that M is 2 and N is 1. It means that in 2 SMTC cycles, there is 1 SMTC cycle that determines the duration of the RRM measurement as the first time period. If there are a total of 4 SMTC cycles, it means that one SMTC cycle in the 1st and 2nd SMTC cycles determines the duration of the RRM measurement as the first time period, and the other SMTC cycle determines the duration of the RRM measurement as the second time period. The 3rd and 4th cycles are similar to the 1st and 2nd cycles, and the embodiments of the present application will not be repeated.

[0176] The embodiment of the present application can adaptively select some SMTC cycles from multiple SMTC cycles to perform RRM measurement according to the first time period, and determine that the remaining SMTC cycles perform RRM measurement according to the second time period when the first condition and the second condition are met. This avoids all cycles using the same time period for RRM measurement, thereby reducing terminal power consumption.

[0177] In an RRM measurement method provided in an embodiment of the present application, the second condition includes at least one of the following: there are P SMTC cycles among Q SMTC cycles, and in the P SMTC cycles, each cell in the measurement list receives the target data within the first time period, and Q and P are positive integers; there are P SMTC cycles among Q SMTC cycles, and in the P SMTC cycles, X cells receive the target data within the first time period, wherein the X cells are determined based on the signal quality of each cell in the measurement list, and X is a positive integer.

[0178] In some embodiments, the second condition may include: there are P SMTC cycles among the Q SMTC cycles, and in the P SMTC cycles, each cell in the measurement list receives the target data within the first time period.

[0179] For example, when the terminal determines that there are P SMTC cycles among Q SMTC cycles, in the P SMTC cycles, each cell in the measurement list receives the target data within the first time period, such as receiving the target data within the time period of Tssbmax, then it can be considered that the second condition is met.

[0180] When performing RRM measurement, the terminal can synchronously maintain a measurement list. The measurement list may include possible parameters such as neighboring cells measured by the terminal, SSB signal quality to be measured, timing information, etc. The terminal can maintain and update the measurement list based on each measurement period.

[0181] It can be understood that when each cell in the measurement list receives the target data within the time period of Tssbmax, it can be considered that there is no asynchronous cell in the current situation. Therefore, the terminal can adaptively adjust the duration of part of the SMTC cycle to achieve the purpose of saving power consumption.

[0182] In some embodiments, when the difference between the frame header of the serving cell where the terminal is located and the frame header of the neighboring cell is less than or equal to a preset frame header difference threshold, it can be considered that the serving cell where the terminal is located is synchronized with the neighboring cell. Therefore, it can be determined whether the second condition is met by determining whether each cell in the measurement list receives the target data within the time period of Tssbmax. For example, assuming that Tssbmax is 2ms, it can be determined whether the second condition is met by determining whether each cell in the measurement list receives the target data within the first 2ms.

[0183] In some embodiments, when the difference between the frame header of the service cell where the terminal is located and the frame header of the neighboring cell is greater than a preset frame header difference threshold, it can be considered that the service cell where the terminal is located is asynchronous with the neighboring cell. In some cases, for asynchronous neighboring cells, although it may be possible to receive the target data within the first 2ms of the asynchronous cell, due to the large difference in the frame header between the asynchronous neighboring cell and the service cell where the terminal is located, there is a situation where the target data may be received outside the Tssbmax of the service cell where the terminal is located. For example, assume that the Tssbmax of the service cell where the terminal is located is 2ms, which is located from 0ms to 1ms. The Tssbmax of the asynchronous neighboring cell is 2ms, which is located from 1ms to 2ms. Therefore, it is possible to receive the target data of the asynchronous neighboring cell between 1ms and 2ms. However, this time period is outside the Tssbmax of the service cell where the terminal is located. In this case, it should be considered that the second condition is not met.

[0184] In some embodiments, the second condition may include: there are P SMTC cycles among Q SMTC cycles, and X cells among the P SMTC cycles receive target data within the first time period, wherein the X cells are determined based on the signal quality of each cell in the measurement list, and X is a positive integer.

[0185] For example, when the terminal determines that there are P SMTC cycles among Q SMTC cycles, in the P SMTC cycles, X cells in the measurement list receive target data within the first time period, such as receiving target data within the time period of Tssbmax, then the second condition can be considered to be met.

[0186] For example, the measurement list may include multiple cells, and when there are X cells among the multiple cells that meet the requirements of receiving target data within the first time period, it can be considered that the second condition is met. For example, the X cells can be determined based on the signal quality of each cell in the measurement list. For example, the first X cells are selected by sorting from high to low or from low to high according to the signal quality. For example, determining the signal quality of the X cell references may include at least one of RSRP, RSRQ, SINR, and received signal strength indicator (RSSI).

[0187] Of course, if the number of cells in the measurement list is less than or equal to X cells, it may be directly determined whether the second condition is met based on the conditions of all cells.

[0188] In some embodiments, the Q SMTC cycles mentioned above may be Q consecutive SMTC cycles or Q discontinuous SMTC cycles. Similarly, the P SMTC cycles in the Q SMTC cycles may be P consecutive SMTC cycles or P discontinuous SMTC cycles.

[0189] It can be understood that the second condition of the embodiment of the present application is not limited to the above-mentioned example, and may also include other conditions that may indicate that there is no asynchronous cell at present, and the embodiment of the present application is not limited thereto.

[0190] The embodiment of the present application provides a variety of possible second conditions, so that based on the situation where the second condition is met, a suitable time period is selected to perform RRM measurement, which can improve the reliability of RRM measurement.

[0191] In an RRM measurement method provided in an embodiment of the present application, if a first condition is met, determining the duration of the RRM measurement to be a first time period or a second time period includes: if a second condition is not met, determining the duration of the RRM measurement to be the second time period.

[0192] In some embodiments, when the first condition is met but the second condition is not met, the terminal may determine that the duration of the RRM measurement is the second time period. For example, the terminal determines that the first condition is met but determines that the second condition is not met. Then the second time period may be used as the duration of the RRM measurement. This ensures that the SSB sent by the asynchronous cell can be measured, avoiding the situation where the asynchronous cell cannot be measured.

[0193] The embodiment of the present application can use the time period corresponding to Tsmtc to receive target data when the first condition is met but the second condition is not met, so that it is suitable for scenarios where asynchronous cells exist and improves universality.

[0194] In an RRM measurement method provided in an embodiment of the present application, if the second condition is not met, the duration of the RRM measurement is determined to be the first time period or the second time period, including: if the third condition is met, the duration of the RRM measurement is determined to be the second time period; if the third condition is not met, it is determined that within N SMTC cycles out of M SMTC cycles, the duration of the RRM measurement is the first time period, and within the SMTC cycles other than N SMTC cycles out of M SMTC cycles, the duration of the RRM measurement is the second time period.

[0195] In some embodiments, when the first condition is met but the second condition is not met, it may also be determined whether the third condition is met. When determining that the third condition is met, the terminal may determine that the duration of the RRM measurement is the second time period.

[0196] For example, the third condition may be a condition for determining whether an asynchronous cell exists. Therefore, when the terminal determines that the third condition is met, it may be considered that the terminal determines that an asynchronous cell currently exists, and may determine to use the Tsmtc time period for RRM measurement.

[0197] In some embodiments, the third condition is not met, and it is determined that the duration of RRM measurement in N SMTC cycles out of M SMTC cycles is the first time period, and the duration of RRM measurement in SMTC cycles other than N SMTC cycles out of M SMTC cycles is the second time period.

[0198] For example, when the terminal determines that the third condition is not met, it can be considered that the terminal determines that there is no asynchronous cell at present. The terminal can adaptively select part of the SMTC cycle to perform RRM measurement according to the first time period, and determine that the remaining SMTC cycle performs RRM measurement according to the second time period. The specific implementation process can refer to the embodiment corresponding to the case where the terminal meets the first condition and the second condition, and the embodiments of the present application will not be repeated.

[0199] The embodiment of the present application can avoid using the same time period for RRM measurement in all cycles when there is no asynchronous cell, thereby reducing terminal power consumption.

[0200] In an RRM measurement method provided in an embodiment of the present application, the third condition includes: there are Y cells in the measurement list receiving target data outside the first time period, and the signal quality of at least Z cells among the Y cells meets the fourth condition. Wherein, Y is greater than or equal to Z, and Y and Z are positive integers.

[0201] In some embodiments, the third condition may include that there are Y cells in the measurement list receiving the target data outside the first time period, and the signal quality of at least Z cells among the Y cells meets the fourth condition.

[0202] Among them, Y cells receive target data outside the first time period, indicating that the Y cells are asynchronous cells. That is, there are Y asynchronous cells in the measurement list. The signal quality of at least Z cells in the Y asynchronous cells meets the fourth condition. The fourth condition can be considered as a condition indicating that the signal quality of the asynchronous cell is good.

[0203] It can be understood that the third condition means that there are Y asynchronous cells in the measurement list, and at least Z asynchronous cells among the Y asynchronous cells have good signal quality. Therefore, when the third condition is met, the target data can be received in the time period of Tsmtc to ensure that the asynchronous cells can be measured during the RRM measurement.

[0204] The embodiment of the present application provides a possible third condition, so that based on the situation where the third condition is met, a suitable time period is selected to perform RRM measurement, which can improve the reliability of RRM measurement.

[0205] In an RRM measurement method provided in an embodiment of the present application, the fourth condition includes at least one of the following: the signal quality of the target cell is greater than or equal to the third signal quality threshold, wherein the target cell is any cell among Y cells; the difference between the signal quality of the target cell and the signal quality of the serving cell where the terminal is located is greater than or equal to the fourth signal quality threshold.

[0206] In some embodiments, the fourth condition may include that the signal quality of the target cell is greater than or equal to a preset third signal quality threshold, wherein the target cell is any cell among the Y cells.

[0207] For example, the target cell can be considered as one of the Y asynchronous cells. The terminal determines whether the signal quality of the target cell is greater than or equal to the third signal quality threshold. For all target cells satisfying the signal quality greater than or equal to the third signal quality threshold, the Z cells mentioned above are constituted.

[0208] In some embodiments, the signal quality of the target cell may be the RSRP of the target cell.

[0209] In some embodiments, the signal quality of the target cell may be the RSRQ of the target cell.

[0210] In some embodiments, the signal quality of the target cell may be a SINR of the target cell.

[0211] Of course, the signal quality of the target cell may also be any other possible signal quality, which is not limited in the embodiment of the present application.

[0212] In some embodiments, the fourth condition may include that the difference between the signal quality of the target cell and the signal quality of the serving cell where the terminal is located is greater than or equal to a fourth signal quality threshold.

[0213] For example, the terminal may determine the signal quality of the target cell and the signal quality of the serving cell where the terminal is located. The terminal may determine the difference between the signal quality of the target cell and the signal quality of the serving cell. When the difference is greater than or equal to the fourth signal quality threshold, it is determined that the fourth condition is met.

[0214] It is understandable that the larger the difference is, the better the signal quality of the target cell is than the signal quality of the serving cell where the terminal is located. It can also be considered that there are asynchronous cells with better signal quality.

[0215] The embodiment of the present application provides a variety of possible fourth conditions, so that based on the situation where the fourth condition is met, a suitable time period can be selected to perform RRM measurement, which can improve the reliability of RRM measurement.

[0216] It can be understood that the first condition, the second condition, the third condition and the fourth condition mentioned in the above embodiments can be understood as conditions for determining the priority of the terminal mobility measurement. For example, if the first condition is met, it can be considered that the terminal mobility priority is low, so Tssbmax can be used for data collection. Similarly, for the second condition, the third condition and the fourth condition, if it is determined that there is an asynchronous cell, it can be considered that the terminal mobility priority is high, so Tsmtc can be used for data collection.

[0217] In an RRM measurement method provided in an embodiment of the present application, receiving target data within the duration of RRM measurement includes: receiving target data within a receiving interval. The receiving interval is a time period in the duration of RRM measurement for receiving target data. The receiving time period is determined by at least one of the following methods: all symbols within the duration of RRM measurement, including uplink symbols and downlink symbols; all downlink symbols within the duration of RRM measurement; at least one of the first symbol and the second symbol within the duration of RRM measurement, wherein the first symbol is related to the symbol of SSB sent by the service cell where the terminal is located and the symbol of SSB sent by the neighboring cell, and the second symbol is A symbols adjacent to the first symbol, and A is an integer greater than or equal to 0; at least one of the third symbol and the fourth symbol within the duration of RRM measurement, wherein the third symbol is related to the symbol of SSB sent by the service cell where the terminal is located and the symbol of SSB measured historically by the terminal, and the fourth symbol is B symbols adjacent to the third symbol, and B is an integer greater than or equal to 0.

[0218] In some embodiments, the terminal may receive the target data within a receiving interval, wherein the receiving interval may be a time period for receiving the target data in the duration of the RRM measurement.

[0219] For example, the duration of the RRM measurement is 5 ms, but the terminal does not need to receive the target data all the time in 5 ms. Therefore, the terminal can determine a portion of the receiving interval for receiving data. The terminal receives the target data in the receiving interval.

[0220] In some embodiments, all symbols within the duration of the RRM measurement may be used as the data collection interval, wherein the symbols include uplink symbols and downlink symbols.

[0221] For example, the terminal may receive target data all the time during the duration of the RRM measurement, including uplink symbols for uplink transmission data and downlink symbols for downlink reception data.

[0222] In some embodiments, all downlink symbols within the duration of the RRM measurement may be used as the data collection interval.

[0223] For example, the terminal may continue to receive target data on all downlink symbols within the duration of the RRM measurement.

[0224] In some embodiments, at least one of the first symbol and the second symbol within the duration of the RRM measurement may be used as a data collection interval, wherein the first symbol is related to the symbol of the SSB sent by the serving cell where the terminal is located and the symbol of the SSB sent by the neighboring cell, and the second symbol is A symbols adjacent to the first symbol, where A is an integer greater than or equal to 0.

[0225] For example, the terminal can continuously receive target data on the first symbol within the duration of the RRM measurement. The first symbol is related to the symbol of the SSB sent by the service cell where the terminal is located and the symbol of the SSB sent by the neighboring cell. For example, the symbol of the SSB sent by the service cell is used as the first symbol. For another example, the symbol of the SSB sent by the neighboring cell is used as the first symbol. For another example, the symbol of the SSB sent by the service cell and the symbol of the SSB sent by the neighboring cell are used as the first symbol.

[0226] For example, the terminal may continuously receive target data on a second symbol within the duration of the RRM measurement, wherein the second symbol is A symbols adjacent to the first symbol, and A is an integer greater than or equal to 0. For example, the A symbols before the first symbol and the A symbols after the first symbol are taken as the second symbol.

[0227] The second symbol may also be considered as a symbol in a first △ time period adjacent to the first symbol.

[0228] For example, the terminal may continuously receive target data on the first symbol and the second symbol within the duration of the RRM measurement.

[0229] In some embodiments, at least one of the third symbol and the fourth symbol within the duration of the RRM measurement may be used as a data collection interval, wherein the third symbol is related to the symbol of the SSB sent by the serving cell where the terminal is located and the symbol of the SSB historically measured by the terminal, and the fourth symbol is a symbol that is B adjacent to the third symbol, where B is an integer greater than or equal to 0.

[0230] For example, the terminal can continuously receive target data on the third symbol within the duration of the RRM measurement. The third symbol is related to the symbol of the SSB sent by the service cell where the terminal is located and the symbol of the SSB measured historically by the terminal. For example, the symbol of the SSB sent by the service cell is used as the third symbol. For another example, the symbol of the SSB measured historically by the terminal is used as the third symbol. For another example, the symbol of the SSB sent by the service cell and the symbol of the SSB measured historically by the terminal are used as the third symbol.

[0231] For example, the terminal may continuously receive target data on the fourth symbol within the duration of the RRM measurement, wherein the fourth symbol is a symbol that is B adjacent to the third symbol, and B is an integer greater than or equal to 0. For example, the B symbols before the third symbol and the B symbols after the third symbol are taken as the fourth symbol.

[0232] The fourth symbol may also be considered as a symbol in a second △ time period adjacent to the third symbol.

[0233] For example, the terminal may continuously receive target data on the third symbol and the fourth symbol within the duration of the RRM measurement.

[0234] In some embodiments, all downlink symbols, first symbols, and second symbols within the duration of the RRM measurement may be used as the data collection interval.

[0235] In some embodiments, all downlink symbols, the third symbol, and the fourth symbol within the duration of the RRM measurement may be used as the data collection interval.

[0236] In some embodiments, all downlink symbols, the first symbol, the second symbol, the third symbol and the fourth symbol within the duration of the RRM measurement may be used as the data collection interval.

[0237] It is understandable that the embodiments of the present application may also determine the collection interval by any one or more of the above-mentioned methods, and the embodiments of the present application are not limited thereto.

[0238] The embodiments of the present application provide a variety of methods for determining the data collection interval, so that data collection can be performed in a partial time period within the duration of RRM, thereby reducing the power consumption of the terminal.

[0239] In an RRM measurement method provided in an embodiment of the present application, a radio frequency (RF) is turned on within a data receiving interval; and / or, the RF is turned off during a time period outside the data receiving interval within the duration of the RRM measurement.

[0240] In some embodiments, the terminal may determine to turn on RF within the data receiving interval.

[0241] For example, the terminal determines to turn on the RF in a data receiving interval within the duration of the RRM measurement so as to receive target data.

[0242] In some embodiments, the terminal may determine to turn off the RF during a time period outside of a receiving interval within the duration of the RRM measurement.

[0243] For example, the terminal determines to turn off the RF in the time period outside the data receiving interval within the duration of the RRM measurement, so as to avoid receiving target data in these time periods.

[0244] The embodiment of the present application can determine to turn on the RF in the data collection interval within the duration of the RRM, and turn off the RF in the remaining time period, thereby achieving the purpose of saving terminal power consumption.

[0245] In an RRM measurement method provided in an embodiment of the present application, the duration of the first time period is a subset of the duration of the second time period; or, the duration of the first time period partially overlaps with the duration of the second time period.

[0246] In some embodiments, the duration of the first time period may be a subset of the duration of the second time period.

[0247] For example, the duration of Tssbmax may be less than or equal to the duration of Tsmtc, and the duration of Tsmtc includes the duration of Tssbmax.

[0248] In some embodiments, the duration of the first time period may partially overlap with the duration of the second time period.

[0249] like Figure 5 As shown, the start time alignment of Tssbmax and Tsmtc is taken as an example. The possible relationship between the first time period and the second time period is shown. That is, Tsmtc includes Tssbmax. At the same time, it can be seen that if Tssbmax is used for data collection, asynchronous neighboring cells may not be effectively detected. Therefore, the embodiment of the present application adopts an adaptive data collection method, and by determining whether the corresponding conditions are met, Tssbmax is preferentially used for data collection, which can effectively reduce the power consumption of the terminal.

[0250] For example, the duration of Tssbmax may partially overlap with the duration of Tsmtc, and the duration of Tsmtc may be greater than or equal to the duration of Tssbmax.

[0251] like Figure 6 As shown, Figure 5 The difference is that the start time of Tssbmax and Tsmtc are not aligned.

[0252] The embodiments of the present application provide a variety of possible relationships between the first time period and the second time period to be applicable to different network configuration scenarios, and can adaptively select the first time period or the second time period as the duration of the RRM measurement, thereby saving power consumption.

[0253] Next, the solution involved in this application will be described in conjunction with more specific embodiments.

[0254] Figure 7 A flow chart of an RRM measurement method provided in an embodiment of the present application.

[0255] like Figure 7 As shown, this method can be applied to Figure 1 In the communication system shown, the method may be executed by a terminal, and the method may include the following steps:

[0256] S701, receiving network configuration information.

[0257] In some embodiments, the terminal may receive network configuration information sent by the network device. The network configuration information may include information for indicating SMTC configuration. Of course, the network configuration information in this application refers to information for indicating network configuration, and this application does not limit the specific name of the information.

[0258] S702, determining that the target frequency point adopts TDD mode for data communication, or the network where the terminal is located is a synchronous network.

[0259] In some embodiments, the terminal may determine the target frequency point TDD mode for communication. Alternatively, the terminal determines that the network where the terminal is located is a synchronous network based on the received network configuration information. For example, the network configuration information may include a synchronization indication, such as the same-frequency synchronization indication deriveSSBIndexFromCell is true, or the different-frequency synchronization indication deriveSSBIndexFromCellInter-R17 is true.

[0260] It can be understood that if it is determined that any of the above conditions is met, S703 is executed, otherwise the measurement is terminated.

[0261] The target frequency point may be a same frequency point or a different frequency point.

[0262] S703: Determine whether the second time period includes the first time period.

[0263] In some embodiments, it is determined whether the second time period includes the first time period. If so, S704 is executed, otherwise, S705 is executed.

[0264] It is understandable that S703 is an unnecessary step, that is, S703 may not be executed in some cases, such as when the first time period overlaps with the second time period, S703 may not be executed and S704 may be executed directly.

[0265] S704, determine whether the first condition is met.

[0266] In some embodiments, the terminal determines whether the first condition is satisfied, and if so, executes S706, otherwise, executes S705.

[0267] S705: Determine that the duration of performing RRM measurement on the target frequency point is a second time period.

[0268] In some embodiments, the terminal determines that the duration of performing RRM measurement on the target frequency point is a second time period.

[0269] S706: Determine that the duration of performing RRM measurement on the target frequency point is a first time period.

[0270] In some embodiments, the terminal determines that the duration of performing RRM measurement on the target frequency point is a first time period.

[0271] S707, determining whether to end the measurement.

[0272] In some embodiments, the terminal determines whether to end the measurement. If it is determined to end the measurement, the RRM measurement process may be directly ended. If it is determined not to end the measurement, S702 may be performed again.

[0273] It is worth noting that Figure 7 For specific implementation methods of each embodiment in Figures 4 to 6 The description of the corresponding embodiments in the present application will not be repeated here.

[0274] The embodiment of the present application can adaptively determine the mobility measurement condition of the terminal, and in the scenario where the mobility measurement priority is low, the terminal can reduce power consumption. Otherwise, the RRM measurement of the terminal gives priority to ensuring the mobility performance.

[0275] Figure 8 A flow chart of another RRM measurement method provided in an embodiment of the present application.

[0276] like Figure 8As shown, this method can be applied to Figure 1 In the communication system shown, the method may be executed by a terminal, and the method may include the following steps:

[0277] S801, receiving network configuration information.

[0278] S802, determining that the target frequency point adopts TDD mode for data communication, or the network where the terminal is located is a synchronous network.

[0279] S803: Determine whether the second time period includes the first time period.

[0280] S804: Determine whether the first condition is met.

[0281] S805: Determine that the duration of performing RRM measurement on the target frequency point is a second time period.

[0282] It can be understood that the above S801 to S805 are Figure 7 S701 to S705 in are similar. For the specific implementation process, please refer to Figure 7 The description of the corresponding embodiments in the present application will not be repeated here.

[0283] S806: Determine whether the second condition is met.

[0284] In some embodiments, the terminal determines whether the second condition is satisfied, and executes S807 if satisfied, and executes S805 otherwise.

[0285] S807, determine that the duration of RRM measurement in N SMTC cycles among the M SMTC cycles is a first time period, and that the duration of RRM measurement in SMTC cycles other than N SMTC cycles among the M SMTC cycles is a second time period.

[0286] In some embodiments, the terminal determines that the duration of RRM measurement in N SMTC cycles among M SMTC cycles is a first time period, and the terminal determines that the duration of RRM measurement in SMTC cycles other than the N SMTC cycles among M SMTC cycles is a second time period.

[0287] S808: Determine whether to end the measurement.

[0288] In some embodiments, the terminal determines whether to end the measurement. If it is determined to end the measurement, the RRM measurement process may be directly ended. If it is determined not to end the measurement, S802 may be performed again.

[0289] It is worth noting that Figure 8 For specific implementation methods of each embodiment in Figures 4 to 7The description of the corresponding embodiments in the present application will not be repeated here.

[0290] This application is aimed at scenarios with lower mobility priority, and can also identify certain asynchronous cells to improve RRM measurement accuracy and universality.

[0291] Fig. 9 A flow chart of another RRM measurement method provided in an embodiment of the present application.

[0292] like Fig. 9 As shown, this method can be applied to Figure 1 In the communication system shown, the method may be executed by a terminal, and the method may include the following steps:

[0293] S901, receiving network configuration information.

[0294] S902, determining that the target frequency point adopts TDD mode for data communication, or the network where the terminal is located is a synchronous network.

[0295] S903: Determine whether the second time period includes the first time period.

[0296] S904: Determine whether the first condition is met.

[0297] S905: Determine that the duration of performing RRM measurement on the target frequency point is a second time period.

[0298] S906: Determine whether the second condition is met.

[0299] It can be understood that the above S901 to S906 are Figure 8 S801 to S806 are similar to those in the previous section. For details on the implementation process, please refer to Figure 8 The description of the corresponding embodiments in the present application will not be repeated here.

[0300] S907, determine whether the third condition is met.

[0301] In some embodiments, the terminal determines whether the third condition is satisfied, and if so, executes S908, otherwise, executes S905.

[0302] S908, determining that the duration of the RRM measurement in N SMTC cycles among the M SMTC cycles is a first time period, and that the duration of the RRM measurement in the SMTC cycles other than the N SMTC cycles among the M SMTC cycles is a second time period.

[0303] In some embodiments, the terminal determines that the duration of RRM measurement in N SMTC cycles among M SMTC cycles is a first time period, and the terminal determines that the duration of RRM measurement in SMTC cycles other than the N SMTC cycles among M SMTC cycles is a second time period.

[0304] S909, determining whether to end the measurement.

[0305] In some embodiments, the terminal determines whether to end the measurement. If it is determined to end the measurement, the RRM measurement process may be directly ended. If it is determined not to end the measurement, S902 may be performed again.

[0306] It is worth noting that Fig. 9 For specific implementation methods of each embodiment in Figures 4 to 8 The description of the corresponding embodiments in the present application will not be repeated here.

[0307] In some embodiments, taking the NR frequency range (FR) 1 service cell actually sending 8 SSBs as an example, when the SMTC is configured for 5ms, the best scenario only needs to receive 8 SSBs, that is, 2ms, and the SCS is 30kHz. The allocation ratio of the period of receiving data in the second time period to the period of receiving data in the first time period can be 1:7. Then the duration of the RRM measurement is reduced from 40ms to 19ms, that is, 5+2*7ms, and its RF gain is nearly 52.5%.

[0308] The embodiment of the present application can use the synchronization information to indicate deriveSSBIndexFromCell, SMTC configuration and the maximum SSB duration information of the frequency point. The terminal can adaptively and dynamically adjust the RF data collection duration of the RRM measurement according to whether the corresponding conditions are met, which can save power consumption and avoid the problem of being unable to identify and measure asynchronous cells, thereby improving the comprehensive performance of the terminal, such as improving mobility performance, power consumption performance and robustness.

[0309] In an embodiment of the present application, the terminal can determine the terminal mobility measurement priority to adaptively control the data collection time of the RRM measurement. The adaptive mechanism takes into account the mobility performance and measurement power consumption requirements of the terminal, and is also applicable to NR same-frequency and different-frequency measurements with synchronization indication configuration.

[0310] In the embodiment of the present application, the mobility measurement priority requirement of the terminal can be identified and the time period of the RRM measurement can be adaptively adjusted.

[0311] In the embodiment of the present application, for scenarios with low mobility measurement priority, such as cell center or low mobility terminal, etc., when certain conditions are met, the terminal measurement power consumption can be preferentially reduced, and the RRM measurement duration can be adaptively shortened. For example, the number of cycles of Tsmtc and Tssbmax during the RRM measurement period is proportionally allocated, otherwise the SMTC configuration duration Tsmtc is maintained.

[0312] In the embodiment of the present application, the judgment condition for shortening the RRM duration includes the mobility requirement of searching and measuring asynchronous cells that meet certain conditions.

[0313] In the embodiment of the present application, during the measurement and data collection time period, the RF is turned on in the corresponding time slot or symbol interval where measurement is required, otherwise the RF is turned off to reduce power consumption.

[0314] It should be noted that the above-mentioned multiple embodiments can be combined and the combined scheme can be implemented. Optionally, some operations in the process of each method embodiment are optionally combined, and / or the order of some operations is optionally changed. In addition, the execution order between the steps of each process is only exemplary and does not constitute a limitation on the execution order between the steps. There can also be other execution orders between the steps. It is not intended to indicate that the execution order is the only order in which these operations can be performed. A person of ordinary skill in the art will think of a variety of ways to reorder the operations of this article. In addition, it should be noted that the process details involved in a certain embodiment of this article are also applicable to other embodiments in a similar manner, or different embodiments can be used in combination.

[0315] It is understandable that, in order to implement the functions in the above embodiments, the base station and the terminal include hardware structures and / or software modules corresponding to the execution of each function. It should be easily appreciated by those skilled in the art that, in combination with the units and method steps of each example described in the embodiments disclosed in the embodiments of the present application, the embodiments of the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application scenario and design constraints of the technical solution.

[0316] Fig.10 and Fig.11 A schematic diagram of the structure of a possible RRM measurement device provided for an embodiment of the present application. These RRM measurement devices can be used to implement the functions of the terminal or network device in the above method embodiment, and thus can also achieve the beneficial effects possessed by the above method embodiment. In an embodiment of the present application, the RRM measurement device can be a terminal, a network device, or a module applied to a terminal or a network device. For example, a chip.

[0317] like Fig.10As shown, the RRM measurement device 1000 includes a processing unit 1010 and a transceiver unit 1020. The RRM measurement device 1000 is used to implement the above Figures 1 to 9 The functions of the terminal or network device in the method embodiment shown in FIG.

[0318] When the RRM measurement device 1000 is used to implement Figure 4 The functions of the terminal in the method embodiment shown are as follows: the processing unit 1010 is used to determine that the duration of the RRM measurement of the target frequency point is the first time period or the second time period when the target frequency point adopts the TDD mode for data communication or the network where the terminal is located is a synchronous network. The transceiver unit 1020 is used to receive the target data within the duration of the RRM measurement for the target frequency point. The processing unit 1010 can also be used to perform Figure 4 All operations except the transceiver operations performed by the RRM measurement device in the illustrated embodiment, and / or other processes for supporting the technology described herein.

[0319] For more detailed description of the processing unit 1010 and the transceiver unit 1020, please refer to Figures 4 to 9 The processing unit 1010 and the transceiver unit 1020 may also perform other steps, and the specific implementation may refer to the method embodiment, which will not be described here.

[0320] Optionally, the transceiver unit 1020 may be a transceiver, and the transceiver may include an antenna and a radio frequency circuit, etc.

[0321] The processing unit 1010 may be a processor (or a processing circuit), such as a baseband processor, which may include one or more CPUs.

[0322] like Fig.11 As shown, the RRM measurement device 1100 includes a processor 1110 and an interface circuit 1120. The processor 1110 and the interface circuit 1120 are coupled to each other. It is understood that the interface circuit 1120 can be a transceiver or an input-output interface. Optionally, the RRM measurement device 1100 may also include a memory 1130 for storing instructions executed by the processor 1110 or storing input data required by the processor 1110 to execute instructions or storing data generated after the processor 1110 executes instructions.

[0323] When the RRM measurement device 1100 is used to implement Figures 4 to 9 When the method shown in the above is performed, the processor 1110 is used to implement the function of the above processing unit 1010, and the interface circuit 1120 is used to implement the function of the above transceiver unit 1020.

[0324] When the above-mentioned RRM measurement device is a chip applied to a terminal, the terminal chip implements the functions of the terminal in the above-mentioned method embodiment. The terminal chip receives information from the network device, which can be understood as the information is first received by other modules in the terminal (such as a radio frequency module or an antenna), and then sent to the terminal chip by these modules. The terminal chip sends information to the network device, which can be understood as the information is first sent to other modules in the terminal (such as a radio frequency module or an antenna), and then sent to the network device by these modules.

[0325] When the above-mentioned RRM measurement device is a chip applied to a network device, the network device chip implements the function of the network device in the above-mentioned method embodiment. The network device chip receives information from the terminal, which can be understood as the information is first received by other modules in the network device (such as a radio frequency module or an antenna), and then sent to the network device chip by these modules. The network device chip sends information to the terminal, which can be understood as the information is sent to other modules in the network device (such as a radio frequency module or an antenna), and then sent to the terminal by these modules.

[0326] Fig.10 or Fig.11 The communication device shown is only an example and in actual applications the communication device may have more Fig.10 or Fig.11 More or fewer components may be shown, two or more components may be combined, or there may be a different configuration of components.

[0327] In the embodiment of the present application, entity A sends information to entity B, which may be A directly sending to B or A indirectly sending to B through other entities. Similarly, entity B receives information from entity A, which may be entity B directly receiving the information sent by entity A or entity B indirectly receiving the information sent by entity A through other entities. Entities A and B here may be RAN nodes or terminals, or modules inside the RAN nodes or terminals. The sending and receiving of information may be information interaction between a RAN node and a terminal, for example, information interaction between a network device and a terminal; the sending and receiving of information may also be information interaction between two RAN nodes, for example, information interaction between a CU and a DU; the sending and receiving of information may also be information interaction between different modules inside a device, for example, information interaction between a terminal chip and other modules of the terminal, or information interaction between a network device chip and other modules in the network device.

[0328] In the embodiment of the present application, the network device sends a downlink signal or downlink information to the terminal device, and the downlink information is carried on the downlink channel; the terminal device sends an uplink signal or uplink information to the network device, and the uplink information is carried on the uplink channel. In order to communicate with the network device, the terminal device needs to establish a wireless connection with the cell controlled by the network device. The cell with which the terminal device has established a wireless connection is called the service cell of the terminal device.

[0329] It can be understood that in the embodiment of the present application, PDSCH and PUSCH are only used as examples of downlink data channels and uplink data channels. In different systems and different scenarios, data channels and control channels may have different names, and the embodiment of the present application does not limit this.

[0330] It is understandable that the processor in the embodiment of the present application can be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. The general-purpose processor can be a microprocessor or any conventional processor.

[0331] The method steps in the embodiments of the present application can be implemented in hardware or in software instructions that can be executed by a processor. The software instructions can be composed of corresponding software modules, and the software modules can be stored in random access memory, flash memory, read-only memory, programmable read-only memory, erasable programmable read-only memory, electrically erasable programmable read-only memory, register, hard disk, mobile hard disk, CD-ROM or any other form of storage medium well known in the art. An exemplary storage medium is coupled to the processor so that the processor can read information from the storage medium and write information to the storage medium. The storage medium can also be a component of the processor. The processor and the storage medium can be located in an ASIC. In addition, the ASIC can be located in a network device or a terminal. The processor and the storage medium can also be present in a network device or a terminal as discrete components.

[0332] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented by software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer program or instruction is loaded and executed on a computer, the process or function described in the embodiment of the present application is executed in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, a network device, a user device or other programmable device. The computer program or instruction may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program or instruction may be transmitted from one website site, computer, server or data center to another website site, computer, server or data center by wired or wireless means. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server, data center, etc. that integrates one or more available media. The available medium may be a magnetic medium, for example, a floppy disk, a hard disk, a tape; it may also be an optical medium, for example, a digital video disc; it may also be a semiconductor medium, for example, a solid-state hard disk. The computer-readable storage medium may be a volatile or nonvolatile storage medium, or may include both volatile and nonvolatile types of storage media.

[0333] In each embodiment of the present application, unless otherwise specified or provided by logic, the terms and / or descriptions between different embodiments are consistent and can be referenced to each other, and the technical features in different embodiments can be combined to form a new embodiment according to their internal logical relationships.

[0334] It is understood that the various numbers involved in the embodiments of the present application are only for the convenience of description and are not used to limit the scope of the embodiments of the present application. The size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic.

Claims

1. A radio resource management RRM measurement method, characterized in that: include: The target frequency adopts time division duplex TDD mode for data communication, or the network where the terminal is located is a synchronous network, and the duration of performing RRM measurement on the target frequency is determined to be a first time period or a second time period, wherein the first time period is the duration of sending a synchronization signal and a physical broadcast channel block SSB, and the second time period is the duration of the SSB measurement time configuration SMTC; For the target frequency point, target data is received within a duration of the RRM measurement, wherein the target data is used for the RRM measurement.

2. The method according to claim 1, characterized in that The first time period is determined based on the SSB time domain mode and the maximum number of SSBs. The SSB time domain mode is determined according to the target frequency point and the subcarrier spacing SCS. The maximum number of SSBs is related to the frequency band where the target frequency point is located.

3. The method according to claim 1 or 2, characterized in that: The determining that the duration of the RRM measurement is a first time period or a second time period includes: If the first condition is not met, the duration of the RRM measurement is determined to be the second time period.

4. The method according to any one of claims 1 to 3, characterized in that: The first condition includes at least one of the following: In the serving cell where the terminal is located, the measured signal qualities of J SSBs are greater than or equal to a first signal quality threshold, where J is a positive integer; The signal-to-noise ratio (SNR) of the physical downlink control channel (PDCCH) corresponding to the serving cell where the terminal is located is greater than or equal to the signal-to-noise ratio threshold; The bit error rate of the PDCCH corresponding to the serving cell where the terminal is located is less than or equal to the bit error rate threshold; The demodulation performance of the PDCCH corresponding to the serving cell where the terminal is located meets the preset demodulation performance requirement; The motion state of the terminal is stationary; The moving speed of the terminal is less than or equal to a speed threshold; In the serving cell where the terminal is located, the measured SSB signal quality change rate is less than or equal to the signal quality change rate threshold; The difference between the SSB signal quality of the serving cell where the terminal is located and the SSB signal quality of the target frequency is greater than or equal to the second signal quality threshold, wherein the SSB signal quality of the target frequency is the sum of the SSB signal qualities of K neighboring cells corresponding to the target frequency, and K is a positive integer; The terminal does not perform cell reselection; The terminal does not perform cell switching.

5. The method according to claim 1, 2 or 4, characterized in that: The determining that the duration of the RRM measurement is a first time period or a second time period includes: If the first condition is met, it is determined that the duration of the RRM measurement is the first time period.

6. The method according to claim 1, 2 or 4, characterized in that: If the first condition is met, the determining that the duration of the RRM measurement is the first time period or the second time period includes: The second condition is met, and it is determined that within N SMTC cycles out of M SMTC cycles, the duration of the RRM measurement is the first time period, and within the SMTC cycles other than the N SMTC cycles out of the M SMTC cycles, the duration of the RRM measurement is the second time period, wherein the M represents the number of SMTC cycles, and the N and M are positive integers.

7. The method according to claim 6, characterized in that The second condition includes at least one of the following: There are P SMTC cycles among the Q SMTC cycles, in which each cell in the measurement list receives the target data within the first time period, and Q and P are positive integers; There are P SMTC cycles among the Q SMTC cycles, and in the P SMTC cycles, X cells receive the target data within the first time period, wherein the X cells are determined based on the signal quality of each cell in the measurement list, and X is a positive integer.

8. The method according to claim 1, 2, 4 or 7, characterized in that: If the first condition is met, the determining that the duration of the RRM measurement is the first time period or the second time period includes: If the second condition is not met, the duration of the RRM measurement is determined to be the second time period.

9. The method according to claim 1, 2, 4 or 7, characterized in that: If the second condition is not met, the determining that the duration of the RRM measurement is the first time period or the second time period includes: If a third condition is met, determining that the duration of the RRM measurement is the second time period; If the third condition is not met, it is determined that within N SMTC cycles among M SMTC cycles, the duration of the RRM measurement is the first time period, and within the SMTC cycles among the M SMTC cycles except the N SMTC cycles, the duration of the RRM measurement is the second time period.

10. The method according to claim 9, characterized in that The third condition includes: there are Y cells in the measurement list that receive the target data outside the first time period, and the signal quality of at least Z cells among the Y cells meets the fourth condition, wherein Y is greater than or equal to Z, and Y and Z are positive integers.

11. The method according to claim 10, characterized in that The fourth condition includes at least one of the following: The signal quality of the target cell is greater than or equal to a third signal quality threshold, wherein the target cell is any cell among the Y cells; A difference between the signal quality of the target cell and the signal quality of the serving cell where the terminal is located is greater than or equal to a fourth signal quality threshold.

12. The method according to any one of claims 1 to 11, characterized in that: The receiving target data within the duration of the RRM measurement includes: receiving the target data within a data receiving interval, wherein the data receiving interval is a time period for receiving the target data in the duration of the RRM measurement; The collection interval is determined by at least one of the following methods: All symbols within the duration of the RRM measurement, the symbols including uplink symbols and downlink symbols; All the downlink symbols within the duration of the RRM measurement; At least one of a first symbol and a second symbol within the duration of the RRM measurement, wherein the first symbol is related to a symbol in which the serving cell where the terminal is located sends an SSB and a symbol in which the neighboring cell sends an SSB, and the second symbol is A symbols adjacent to the first symbol, where A is an integer greater than or equal to 0; At least one of the third symbol and the fourth symbol within the duration of the RRM measurement, wherein the third symbol is related to the symbol of the SSB sent by the service cell where the terminal is located and the symbol of the SSB historically measured by the terminal, and the fourth symbol is B symbols adjacent to the third symbol, and B is an integer greater than or equal to 0.

13. The method according to claim 12, characterized in that Turning on the radio frequency RF within the data collection interval; and / or, The RF is turned off during a time period outside the data collection interval within the duration of the RRM measurement.

14. The method according to any one of claims 1 to 13, characterized in that: The duration of the first time period is a subset of the duration of the second time period; or, The duration of the first time period partially overlaps with the duration of the second time period.

15. A radio resource management RRM measurement device, characterized in that: The apparatus comprises a module for implementing the method according to any one of claims 1 to 14.

16. A radio resource management RRM measurement device, characterized in that: include: At least one processor and a communication interface, the communication interface being used to receive and / or send signals, the processor being configured to enable the method of any one of claims 1 to 14 to be executed.

17. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores instructions or programs, and when the instructions or programs are executed on the communication device, the communication device executes the method according to any one of claims 1 to 14.

18. A computer program product, characterized in that The computer program product comprises instructions for performing the method of any one of claims 1 to 14.

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