Adjacent cell measurement method, apparatus, device, medium and program product

Abstract

The present disclosure discloses a method, an apparatus, a device, a medium and a program product for measuring neighboring cells, which belong to the field of communications. The method includes a step of receiving configuration information of a first measurement window by a terminal, the first measurement window being used to perform beam measurement based on a reference signal of the neighboring cell, and a step of measuring the reference signal based on the first measurement window to obtain a beam measurement result of the neighboring cell. The method is used in L1 / L2 based inter-cell mobility to support a terminal to realize dynamic switching between cells based on the beam measurement result of the neighboring cell.

Description

[Technical field]

[0001] The present disclosure relates to the field of communications, and in particular to a neighbor cell measurement method, apparatus, device, medium and program product. [Background technology]

[0002] The 3rd Generation Partnership Project (3GPP) Release 18 (Rel-18) is expected to support L1 / L2 based inter-cell mobility to reduce mobility delay.

[0003] In L1 / L2 based inter-cell mobility, a network device pre-configures multiple candidate cells for a user equipment (UE), and the UE can realize dynamic switching among the candidate cells via L1 / L2 signaling based on beam measurement results of neighboring cells.

[0004] Therefore, in L1 / L2 based inter-cell mobility, the UE needs to realize beam measurements of neighboring cells. Summary of the Invention [Problem to be solved by the invention]

[0005] The embodiments of the present disclosure provide a method, apparatus, device, medium and program product for measuring adjacent cells. The technical solutions are as follows: [Means for solving the problem]

[0006] According to one aspect of an embodiment of the present disclosure, there is provided a method for measuring neighboring cells performed by a terminal, comprising: receiving setting information of a first measurement window, the first measurement window being used to perform beam measurements based on a reference signal of a neighboring cell; A method for measuring a neighboring cell is provided, the method including the step of measuring the reference signal based on the first measurement window to obtain a beam measurement result of the neighboring cell.

[0007] According to another aspect of an embodiment of the present disclosure, there is provided a method for measuring neighboring cells performed by a network device, comprising: transmitting setting information of a first measurement window, the first measurement window being used to perform beam measurement based on a reference signal of a neighboring cell; and receiving a beam measurement result of the neighboring cell measured by a terminal based on the reference signal.

[0008] According to another aspect of the embodiment of the present disclosure, there is provided a measurement device for a neighboring cell, comprising: a first receiving module configured to receive setting information of a first measurement window, the first measurement window being used to perform beam measurement based on a reference signal of a neighboring cell; A neighboring cell measurement device is provided, the neighboring cell measurement device including: a first processing module configured to measure the reference signal based on the first measurement window to obtain a beam measurement result of the neighboring cell.

[0009] According to another aspect of the embodiment of the present disclosure, there is provided a measurement device for a neighboring cell, comprising: a second transmitting module configured to transmit setting information of a first measurement window, the first measurement window being used to perform beam measurement based on a reference signal of a neighboring cell; A neighboring cell measurement device is provided, the neighboring cell measurement device including: a second receiving module configured to receive a beam measurement result of the neighboring cell measured by a terminal based on the reference signal.

[0010] According to another aspect of the present disclosure, there is provided a terminal, comprising: A processor; a transceiver coupled to the processor; A terminal is provided, wherein the processor is configured to load and execute executable instructions to implement the neighbour cell measurement method according to the above aspects.

[0011] According to another aspect of an embodiment of the present disclosure, there is provided a network device, comprising: A processor; a transceiver coupled to the processor; There is provided a network device, wherein the processor is configured to load and execute executable instructions to implement the neighbour cell measurement method as described in each of the above aspects.

[0012] According to another aspect of an embodiment of the present disclosure, there is provided a computer readable storage medium having stored thereon at least one instruction, at least one program, code set or instruction set, the at least one instruction, the at least one program, code set or instruction set being loaded and executed by a processor to realize the method for measuring neighboring cells as described in each of the above aspects.

[0013] According to another aspect of an embodiment of the present disclosure, there is provided a computer program product (or computer program) including computer instructions, the computer instructions being stored in a computer-readable storage medium, a processor of a computing device reading the computer instructions from the computer-readable storage medium, and the processor executing the computer instructions, thereby causing the computing device to perform the neighbor cell measurement method described in each of the above aspects. Effect of the Invention

[0014] The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects. In the above-mentioned measurement method of the neighboring cell, after the terminal receives the setting information of the first measurement window, the terminal determines the first measurement window, measures the reference signal of the neighboring cell according to the first measurement window, and obtains the beam measurement result of the neighboring cell. The method is used in L1 / L2 based inter-cell mobility to support the terminal to realize dynamic switching between cells according to the beam measurement result of the neighboring cell.

[0015] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. [Brief description of the drawings]

[0016] In order to more clearly describe the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments are briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative efforts. [Figure 1] 1 is a block diagram of a communication system according to an exemplary embodiment; [Diagram 2] 4 is a flowchart of a method for measuring neighboring cells according to an exemplary embodiment; [Diagram 3] FIG. 2 is a schematic diagram of a measurement window according to an exemplary embodiment. [Figure 4] 4 is a schematic diagram of a measurement window according to another exemplary embodiment; [Diagram 5] 4 is a flowchart of a neighbor cell measurement method according to another exemplary embodiment; [Figure 6] 4 is a flowchart of a neighbor cell measurement method according to another exemplary embodiment; [Figure 7] 4 is a flowchart of a neighbor cell measurement method according to another exemplary embodiment; [Figure 8]4 is a flowchart of a method for updating a measurement window according to an example embodiment. [Figure 9] 4 is a flowchart of a method for updating a reference signal according to an example embodiment. [Figure 10] 4 is a flowchart of a neighbor cell measurement method according to another exemplary embodiment; [Figure 11] 5 is a flowchart of a method for updating a measurement window according to another exemplary embodiment; [Figure 12] FIG. 13 is a schematic diagram of a correspondence between a beam change rate and a period of a measurement window according to an example embodiment. [Figure 13] 5 is a flowchart of a method for updating a reference signal according to another exemplary embodiment. [Figure 14] FIG. 2 is a block diagram of a measurement device for a neighboring cell according to an exemplary embodiment; [Figure 15] FIG. 11 is a block diagram of a measurement device for a neighboring cell according to another exemplary embodiment; [Figure 16] FIG. 2 is a schematic configuration diagram of a terminal according to an exemplary embodiment. [Figure 17] FIG. 2 is a schematic diagram of a network device according to an exemplary embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the appended claims.

[0018] 1 illustrates a block diagram of a communication system provided by an exemplary embodiment of the present disclosure. The communication system may include an access network 12 and a user terminal 14.

[0019] The access network 12 includes several network devices 120. The network devices (also called access network devices) 120 may be base stations, which are devices that are configured in an access network to provide wireless communication functions to user terminals (also called simply "terminals") 14. The base stations may include various types of macro base stations, micro base stations, relay stations, access points, etc. In systems that employ different wireless access technologies, the names of devices with base station functions may differ. For example, in a Long Term Evolution (LTE) system, it is called eNodeB or eNB, and in a 5G NR (New Radio) system, it is called gNodeB or gNB. As communication technologies evolve, the name of the "base station" may also change. For convenience of explanation, in the embodiments of the present disclosure, the above-mentioned devices that provide wireless communication functions to user terminals 14 are collectively called network devices.

[0020] The user terminal 14 may include various handheld devices, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to a wireless modem with wireless communication capabilities, as well as various forms of user devices, mobile stations (MS), terminal devices, etc. For ease of explanation, the above devices are collectively referred to as user terminals. The network device 120 and the user terminal 14 communicate with each other through some air interface technology, such as the Uu interface.

[0021] Exemplarily, one cell is formed corresponding to one base station, or multiple cells (i.e., at least two cells) are formed corresponding to one base station. There is an overlapping area covered by beams between adjacent cells, and within the overlapping area, the user terminal 14 can switch between cells.

[0022] For example, when a user terminal 14 accesses a cell, in the process of switching from the cell to an adjacent cell, the user terminal 14 first executes the measurement method of the adjacent cell provided in the embodiment of the present application to perform beam measurement of the adjacent cell, and then realizes dynamic switching between cells based on the beam measurement result.

[0023] The technical proposals of the embodiments of the present disclosure include a Global System of Mobile Communication (GSM) system, a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) system, a General Packet Radio Service (GPRS), a Long Term Evolution (LTE) system, an LTE Frequency Division Duplex (FDD) system, an LTE Time Division Duplex (TDD) system, an Advanced Long Term Evolution (LTE-A) system, a New Radio (NR) system, an evolution of the NR system, an LTE-based access to Unlicensed spectrum (LTE-U) system, an NR-U system, a Universal Mobile Telecommunication System (UMTS), a Worldwide Interoperability for Microwave Access (WIM) system, a LTE-based access to Unlicensed spectrum (LTE-U) system, a NR-U system, a Universal Mobile Telecommunication System (UMTS), a LTE-based access to Unlicensed spectrum (LTE-U) system, a NR-U system, a NR-based access to Unlicensed spectrum (NR-U) ... The present invention may be applied to various communication systems, such as Wireless Access (WiMAX) communication systems, Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi), next generation communication systems, or other communication systems.

[0024] Generally, the number of connections supported by a conventional communication system is limited and easy to realize, but with the development of communication technology, a mobile communication system not only supports conventional communication, but also supports Device to Device (D2D) communication, Machine to Machine (M2M) communication, Machine Type Communication (MTC), Vehicle to Vehicle (V2V) communication, and Vehicle to Everything (V2X) systems, etc. The embodiments of the present disclosure are also applicable to these communication systems.

[0025] 2 shows a flowchart of a neighbor cell measurement method provided by an exemplary embodiment of the present disclosure, which is applied to the terminal of the communication system shown in FIG 1. The method includes the following steps 210 and 220:

[0026] In step 210, setting information of a first measurement window is received, and the first measurement window is used to perform beam measurement based on a reference signal of an adjacent cell.

[0027] The terminal receives configuration information of a first measurement window (MW) transmitted from a network device via a physical downlink shared channel (PDSCH), and the configuration information is used to configure a first configuration parameter of the first measurement window for the terminal. Exemplarily, the terminal receives the configuration information of the first measurement window transmitted by the network device via Radio Resource Control (RRC) signaling.

[0028] Optionally, the setting information of the first measurement window is: a first length of a first measurement window; a first period of a first measurement window; A first offset value (offset) for the first measurement window, and At least one of the first configuration parameters includes a first Timing Advance (TA) for a first measurement window.

[0029] The above-mentioned length of the first measurement window refers to the length of the symbols occupied by the first measurement window in the time domain. The period of the first measurement window refers to the time interval between the start time (or end time) of each two adjacent first measurement windows. The offset value of the first measurement window refers to the offset value of the first measurement window relative to the start point in the time domain, i.e., the time domain position of the first measurement window is the position of the start point plus the offset value of the first measurement window. Here, the start point is TA milliseconds before the subframe immediately preceding the configuration information of the first measurement window.

[0030] Optionally, the reference signals of the neighboring cells include at least one of a synchronization signal block (SS / PBCH Block, SSB) and a channel state information reference signal (Channel State Information Reference Signals, CSI-RS).

[0031] Optionally, the first length of the first measurement window is determined by the duration of the reference signal of the neighboring cell and the radio frequency retuning (RF retuning) time of the terminal. As shown in Figure 3, an example of the measurement window of the neighboring cell shows the time-domain position relationship between the first measurement window and the non-serving cell reference signals and the radio frequency retuning time, where the non-serving cell is the neighboring cell.

[0032] Optionally, the first length of the first measurement window is equal to or greater than the sum of the duration of the reference signal of the neighboring cell and twice the radio frequency retuning time of the terminal. Exemplarily, as shown in FIG. 3, the first length of the first measurement window includes the duration of the reference signal of the neighboring cell and two radio frequency retuning times, and the two radio frequency retuning times are respectively located before the start time and after the end time of the reference signal of the neighboring cell.

[0033] In step 220, a reference signal of a neighboring cell is measured based on a first measurement window to obtain a beam measurement result of the neighboring cell.

[0034] Exemplarily, the terminal determines a first measurement window based on the configuration information, measures a reference signal of a neighboring cell within the first measurement window, and obtains a beam measurement result of the neighboring cell.

[0035] The terminal periodically measures the reference signal of the neighboring cell based on the first measurement window. Optionally, the first period of the first measurement window is different from or the same as the period of the reference signal of the neighboring cell. Exemplarily, as shown in FIG. 3, the first period of the first measurement window and the period of the reference signal of the neighboring cell are both D1.

[0036] Optionally, when the first period of the first measurement window is different from the period of the reference signal of the neighboring cell, the first period of the first measurement window is an integer multiple of the period of the reference signal of the neighboring cell. Illustratively, as shown in FIG. 4, the first period D2 of the first measurement window is twice the period D1 of the reference signal of the neighboring cell.

[0037] Exemplarily, after the terminal obtains beam measurement results of neighboring cells, it reports the beam measurement results to a network device, and the network device decides whether to switch the serving cell of the terminal based on the beam measurement results.

[0038] In summary, in the measurement method of the neighboring cell provided by this embodiment, the terminal determines the first measurement window after receiving the setting information of the first measurement window, and then measures the reference signal of the neighboring cell based on the first measurement window to obtain the beam measurement result of the neighboring cell. This method is used in L1 / L2 based inter-cell mobility to support the terminal to realize dynamic switching between cells based on the beam measurement result of the neighboring cell, and the network device can obtain the beam measurement result of the neighboring cell in real time, and realize the switching of the serving cell of the terminal through dynamic signaling, thereby reducing the delay overhead caused by the mobility problem.

[0039] The terminal's serving cell and the neighboring cell may use the same frequency or different frequencies. Exemplarily, as shown in FIG. 5, when the terminal's serving cell and the neighboring cell use the same frequency, the above step 220 can be realized by step 322, and the steps are as follows:

[0040] In step 322, if the serving cell and the neighboring cell use the same frequency and the reference signal of the neighboring cell is included in the activated bandwidth part (BandWidth Part, BWP) of the terminal, the reference signal of the neighboring cell is measured within a second measurement window to obtain a beam measurement result of the neighboring cell, where the second measurement window is obtained based on subtracting the radio frequency retuning time of the terminal from the first measurement window, or the second measurement window is determined based on the duration of the reference signal of the neighboring cell.

[0041] The serving cell and the neighboring cell may be different cells corresponding to the same network device, or the serving cell and the neighboring cell may be different cells corresponding to different network devices.

[0042] For determining the second measurement window, the terminal subtracts twice the radio frequency retuning time of the terminal from the first measurement window to obtain the second measurement window. Alternatively, the terminal determines the second measurement window based on the duration of the reference signal of the neighboring cell. For example, the terminal determines the duration of the reference signal of the neighboring cell as the time length of the second measurement window, and determines the second measurement window based on the time length of the second measurement window.

[0043] Exemplarily, as shown in Figure 6, when the serving cell of the terminal and the neighboring cell use the same frequency, the above step 220 may be realized by step 324. The steps are as follows:

[0044] In step 324, if the serving cell and the neighboring cell use the same frequency and the reference signal of the neighboring cell is included in the activated BWP of the terminal, the reference signal of the neighboring cell is measured within the first measurement window to obtain the beam measurement result of the neighboring cell.

[0045] It should be noted that step 322 and step 324 are interchangeable. Compared with the measurement method of step 324, the length of the window measured in the measurement method of step 322 is shorter, so that less measurement resources are required.

[0046] Exemplarily, as shown in Figure 7, when the serving cell of the terminal and the neighboring cell use the same frequency or different frequencies, the above step 220 can be realized by the following steps 422 to 424. The steps are as follows:

[0047] In step 422, if the reference signal of the neighboring cell satisfies a first condition, measure the reference signal of the neighboring cell within a first measurement window to obtain a beam measurement result of the neighboring cell.

[0048] Exemplarily, the above first condition is pre-set for the terminal by the network device, or the above first condition is pre-defined by a protocol.

[0049] When the reference signal of the neighboring cell satisfies a first condition, the terminal determines a first measurement window based on setting information of the first measurement window, and measures the reference signal of the neighboring cell within the first measurement window.

[0050] Optionally, the first condition is: The serving cell and the neighboring cells use different frequencies; or the serving cell and the neighboring cell use the same frequency, and the reference signal of the neighboring cell is not completely included in the activated BWP of the terminal.

[0051] Exemplarily, the terminal measures the reference signal of the neighboring cell in the first measurement window if its serving cell uses a different frequency from the neighboring cell, or the terminal measures the reference signal of the neighboring cell in the first measurement window if its serving cell uses the same frequency as the neighboring cell and the reference signal of the neighboring cell is not completely included in the activated BWP of the terminal.

[0052] In step 424, if the reference signal does not satisfy the first condition, measure the reference signal of the neighboring cell at the time-frequency position of the reference signal of the neighboring cell to obtain the beam measurement result of the neighboring cell.

[0053] Exemplarily, when the terminal determines that the serving cell and the neighboring cell use the same frequency and the reference signal of the neighboring cell is completely included in the activated BWP of the terminal, the terminal measures the reference signal of the neighboring cell at the time-frequency position of the reference signal of the neighboring cell to obtain the beam measurement result of the neighboring cell.

[0054] That is, if the reference signal does not satisfy the first condition, the time-frequency position of the reference signal of the neighboring cell is directly measured. In this way, the protocol change is reduced, and the terminal does not need to calculate the measurement window, so that the occupation of computing resources is reduced.

[0055] In summary, the measurement method of neighboring cells provided by this embodiment considers both the case where the terminal's serving cell and the neighboring cell use the same frequency and the case where the terminal uses different frequencies, thereby solving the problem of channel / signal contention between the terminal's serving cell and the neighboring cell and the possible problem of radio frequency retuning time, and the terminal does not need to receive data of the serving cell within the measurement window.

[0056] In some embodiments, the terminal may also update the first measurement window during the measurement of the neighboring cell. Exemplarily, as shown in FIG. 8, the steps of updating the first measurement window are as follows:

[0057] In step 510, a first update for a first measurement window is received. The terminal receives the first update information sent by the network device. Optionally, the first update information is included in a media access control layer control element (MAC Control Element, MAC CE) signaling. The full name of MAC is Medium Access Control. That is, the terminal receives the first update information sent by the network device through MAC CE signaling.

[0058] Optionally, the first update information includes at least a measurement configuration identifier (ID) associated with the neighboring cell and a second configuration parameter of the first measurement window.

[0059] Illustratively, the second configuration parameters of the first measurement window include a second period of the first measurement window.

[0060] Optionally, the second configuration parameter is: a second length of the first measurement window; a second offset value for the first measurement window, and a second timing advance for the first measurement window.

[0061] In the embodiment of the present application, the update of the setting parameters of the first measurement window is taken as an example to describe the update of the period of the first measurement window. Illustratively, the second period of the first measurement window is the same as or different from the period of the reference signal of the neighboring cell. When the second period of the first measurement window is different from the period of the reference signal of the neighboring cell, the second period of the first measurement window is an integer multiple of the period of the reference signal of the neighboring cell.

[0062] In step 520, a configuration parameter of the first measurement window is updated based on the first update information. The terminal updates a setting parameter of the first measurement window based on the first update information, obtains an updated first measurement window, and then measures a reference signal of a neighboring cell based on the updated first measurement window to obtain a beam measurement result of the neighboring cell, and reports the beam measurement result of the neighboring cell to the network device. Exemplarily, the terminal updates a first period of the first measurement window to a second period, and obtains an updated first measurement window.

[0063] In summary, the neighbor cell measurement method provided by this embodiment updates the period of the first measurement window based on the first update information set by the network device, adjusts the measurement period of the beam of the neighbor cell and the reporting period of the beam measurement result according to the dynamically changing moving speed of the terminal, and supports the beam measurement of the neighbor cell by the terminal at different moving speeds. For example, when the moving speed of the terminal is high, the period of the measurement window is updated to a small value, and when the moving speed of the terminal is low, the period of the measurement window is updated to a large value.

[0064] In another embodiment, the reference signal of the neighboring cell can also be updated during the measurement of the neighboring cell. Illustratively, as shown in FIG. 9, the steps of updating the reference signal of the neighboring cell are as follows:

[0065] In step 610, a second update of the reference signal is received. The terminal receives the second update information sent from the network device. Optionally, the second update information is included in the RRC signaling. Exemplarily, the terminal receives the second update information sent by the network device through the RRC signaling.

[0066] In step 620, update the configuration parameters of the reference signals of the neighboring cells based on the second update information. Before updating, the configuration parameters of the reference signal of the neighboring cell include a first time-frequency resource of the reference signal of the neighboring cell and first measurement window information corresponding to the reference signal of the neighboring cell, and a time domain period corresponding to the first time-frequency resource matches the moving speed of the terminal.

[0067] Exemplarily, the second update information includes a second time-frequency resource of a reference signal of an adjacent cell, and a time domain period corresponding to the second time-frequency resource matches the moving speed of the terminal, so that the user can obtain beam measurement results in real time.

[0068] Exemplarily, the second update information further includes second measurement window information corresponding to the reference signal of the neighboring cell, so that the period of the first measurement window of the terminal is the same as the period of the reference signal of the neighboring cell or is an integer multiple of the period of the reference signal of the neighboring cell.

[0069] The terminal updates the first time-frequency resource of the reference signal of the neighboring cell to the second time-frequency resource, and updates the first measurement window information of the reference signal of the neighboring cell to the second measurement window information.

[0070] In summary, the measurement method of the neighboring cell provided by this embodiment supports the beam measurement of the neighboring cell when the reference signal of the neighboring cell changes dynamically. For example, when the period of the initially set neighboring cell measurement reference signal is large and the measurement result cannot be obtained in real time when the user's speed is too fast, the measurement setting can be updated through RRC signaling.

[0071] 10 shows a flowchart of a neighbor cell measurement method provided by an exemplary embodiment of the present disclosure. The method is applied to a network device of the communication system shown in FIG. 1, and includes the following steps 710 and 720:

[0072] In step 710, setting information of a first measurement window is transmitted, and the first measurement window is used to perform beam measurement based on a reference signal of an adjacent cell. The network device sets configuration information of a first measurement window for the terminal and transmits the configuration information of the first measurement window to the terminal.

[0073] Optionally, the setting information of the first measurement window is: a first length of a first measurement window; a first period of a first measurement window; a first offset value for a first measurement window, and The at least one first configuration parameter includes a first timing advance for a first measurement window.

[0074] Optionally, the first length of the first measurement window is determined by a duration of the reference signal of the neighboring cell and a radio frequency retuning time of the terminal. Illustratively, the network device determines the first length of the first measurement window based on the duration of the reference signal of the neighboring cell and the radio frequency retuning time of the terminal.

[0075] Optionally, the first length of the first measurement window is equal to or greater than the sum of the duration of the reference signal of the neighboring cell and twice the radio frequency retuning time of the terminal. Illustratively, the network device determines that the first length of the first measurement window is equal to or greater than the sum of the duration of the reference signal of the neighboring cell and twice the radio frequency retuning time of the terminal.

[0076] Optionally, the first period of the first measurement window is different from or the same as the period of the reference signal of the neighboring cell. Illustratively, the network device determines that the first period of the first measurement window is the same as the period of the reference signal of the neighboring cell.

[0077] Optionally, when the first period of the first measurement window is different from the period of the reference signal of the neighboring cell, the first period of the first measurement window is an integer multiple of the period of the reference signal of the neighboring cell. Illustratively, the network device determines that the first period of the first measurement window is G times the period of the reference signal of the neighboring cell, where the value of G is an integer greater than 1.

[0078] In step 720, a beam measurement result of the neighboring cell measured by the terminal based on the reference signal of the neighboring cell is received.

[0079] In summary, in the measurement method of neighboring cells provided by this embodiment, the network device sets configuration parameters of a first measurement window for a terminal, and L1 / L2 based inter-cell mobility supports beam measurement of neighboring cells by the terminal and dynamic switching between cells by the terminal.

[0080] In some embodiments, during the measurement of the neighboring cells, the network device configures a first update information of a first measurement window for the terminal. As shown in FIG. 11, the steps are as follows:

[0081] In step 810, first update information of the first measurement window is sent to the terminal, and the first update information is used to update configuration parameters of the first measurement window in the terminal.

[0082] Optionally, the first update information is included in MAC CE signaling, that is, the network device sends the first update information to the terminal through MAC CE signaling.

[0083] Optionally, the first update information includes at least a measurement configuration ID associated with the neighboring cell and a second configuration parameter for the first measurement window.

[0084] Illustratively, the second configuration parameters of the first measurement window include a second period of the first measurement window.

[0085] Optionally, the second setting parameter of the first measurement window is: a second length of the first measurement window; a second offset value for the first measurement window, and a second timing advance for the first measurement window.

[0086] Optionally, the beam measurement result includes an index (Resource Indicator, RI) of a reference signal corresponding to the optimal beam, in which case the network device calculates a beam change rate based on the index of the reference signal corresponding to the optimal beam, and when the beam change rate changes, determines first update information for the first measurement window based on the correspondence relationship, where the correspondence relationship includes a correspondence relationship between the beam change rate and the setting parameters of the first measurement window.

[0087] 12, the corresponding relationship between the beam change rate and the period of the first measurement window is shown. For example, when the beam change rate is greater than 0 and less than BCR0, the period of the first measurement window is T0, and when the beam change rate is greater than BCR0 and less than BCR1, the period of the first measurement window is T1. Or, when the beam change rate is greater than 0 and less than BCR0, the period of the first measurement window is T0, and when the beam change rate is greater than BCR0 and less than BCR1, the period of the first measurement window is T1.

[0088] Optionally, for the Beam Change Rate (BCR), the network device may select a first index RI i and the second index RI i-1 a difference value between the first index and the period of the first measurement window, the first index being an index of a reference signal corresponding to the optimal beam reported at the i-th time, the second index being an index of a reference signal corresponding to the optimal beam reported at the i-1th time, where i is a positive integer greater than 1, and a ratio T i Calculate the beam change rate BCR i Get the.

[0089] Exemplarily, the beam change rate calculation formula is shown below.

number

[0090] Illustratively, when the setting parameter of the first measurement window is updated, if the period of the first measurement window is the first period, the setting parameter in the above calculation process is the second period.

[0091] In summary, in the measurement method of neighboring cells provided by this embodiment, the network device sets first update information for the terminal to update the period of the first measurement window, and adjusts the beam measurement period of the neighboring cell and the reporting period of the beam measurement result according to the dynamically changing moving speed of the terminal, thereby supporting beam measurement of neighboring cells by terminals at different moving speeds.

[0092] In some embodiments, during the measurement of the neighboring cell, the network device configures the terminal with second update information of the reference signal of the neighboring cell. As shown in FIG. 13, the steps are as follows:

[0093] In step 910, send second update information of the reference signal of the neighboring cell to the terminal, where the second update information is used to update a configuration parameter of the reference signal of the neighboring cell.

[0094] Optionally, the second update information is included in RRC signaling. Illustratively, the network device sends the second update information of the reference signal of the neighboring cell to the terminal through RRC signaling.

[0095] Before updating, the configuration parameters of the reference signal of the neighboring cell include a first time-frequency resource of the reference signal of the neighboring cell and first measurement window information corresponding to the reference signal of the neighboring cell, and a time domain period corresponding to the first time-frequency resource matches the moving speed of the terminal.

[0096] Exemplarily, the second update information includes a second time-frequency resource of a reference signal of an adjacent cell, and a time domain period corresponding to the second time-frequency resource matches the moving speed of the terminal, so that the user can obtain beam measurement results in real time.

[0097] Exemplarily, the second update information further includes second measurement window information corresponding to the reference signal of the neighboring cell, so that the period of the first measurement window of the terminal is the same as the period of the reference signal of the neighboring cell or is an integer multiple of the period of the reference signal of the neighboring cell.

[0098] In summary, the measurement method of the neighboring cell provided by this embodiment supports the measurement of the beam of the neighboring cell when the reference signal of the neighboring cell changes dynamically. If the period of the initially set neighboring cell measurement reference signal is large and the measurement result cannot be obtained in real time when the user's speed is too fast, the setting can be updated through RRC signaling.

[0099] 14 shows a block diagram of a measurement device for neighboring cells provided by an exemplary embodiment of the present disclosure. The device can be implemented as a part or whole of a UE by software, hardware or a combination of both. The device includes a first receiving module 1010 and a first processing module 1020.

[0100] The first receiving module 1010 is configured to receive setting information of a first measurement window, where the first measurement window is used to perform beam measurement based on a reference signal of an adjacent cell. A first processing module 1020 is configured to measure the reference signal based on the first measurement window to obtain beam measurement results of the neighboring cell.

[0101] In some embodiments, the setting information of the first measurement window comprises: a first length of the first measurement window; a first period of the first measurement window; a first offset value for the first measurement window; and The at least one first configuration parameter includes a first timing advance of the first measurement window.

[0102] In some embodiments, a first length of the first measurement window is determined by a duration of the reference signal and a radio frequency retuning time of the terminal.

[0103] In some embodiments, the first length of the first measurement window is greater than or equal to the sum of a duration of the reference signal and twice a radio frequency retuning time of the terminal.

[0104] In some embodiments, the first processing module 1020 is configured to measure the reference signal within a second measurement window when the serving cell and the neighboring cell use the same frequency and the reference signal is included in an activated BWP of the terminal.

[0105] Here, the second measurement window is obtained based on subtracting a radio frequency retuning time of the terminal from the first measurement window, or the second measurement window is determined based on a duration of the reference signal.

[0106] In some embodiments, the first processing module 1020 is configured to measure the reference signal within the first measurement window if the reference signal satisfies a first condition, and to measure the reference signal at a time frequency position of the reference signal if the reference signal does not satisfy the first condition.

[0107] In some embodiments, the first condition is: A serving cell and the neighboring cell use different frequencies; or the serving cell and the neighboring cell use the same frequency, and the reference signal is not completely included in the activated BWP of the terminal.

[0108] In some embodiments, the first period of the first measurement window is different from or the same as a period of the reference signal.

[0109] In some embodiments, when the first period of the first measurement window differs from the period of the reference signal, the first period of the first measurement window is an integer multiple of the period of the reference signal.

[0110] In some embodiments, The first receiving module 1010 is configured to receive a first update of the first measurement window. A first processing module 1020 is configured to update a setting parameter of the first measurement window based on the first update information.

[0111] In some embodiments, the first update information comprises: a measurement configuration identifier ID associated with said neighboring cell; and a second setting parameter for the first measurement window.

[0112] In some embodiments, the first update information is included in MAC CE signaling.

[0113] In some embodiments, The first receiving module 1010 is configured to receive a second update of the reference signal. A first processing module 1020 is configured to update a configuration parameter of the reference signal based on the second update information.

[0114] In some embodiments, the second update information is included in RRC signaling.

[0115] 15 shows a block diagram of a neighbor cell measurement device provided by an exemplary embodiment of the present disclosure. The device can be implemented as a part or whole of a network device by software, hardware or a combination of both. The device includes a second transmitting module 1110 and a second receiving module 1120.

[0116] The second transmitting module 1110 is configured to transmit setting information of a first measurement window, where the first measurement window is used to perform beam measurements based on a reference signal of a neighboring cell. The second receiving module 1120 is configured to receive beam measurement results of the neighboring cells measured by a terminal based on the reference signal.

[0117] In some embodiments, the setting information of the first measurement window comprises: a first length of the first measurement window; a first period of the first measurement window; a first offset value for the first measurement window; and The at least one first configuration parameter includes a first timing advance of the first measurement window.

[0118] In some embodiments, a first length of the first measurement window is determined by a duration of the reference signal and a radio frequency retuning time of the terminal.

[0119] In some embodiments, the first length of the first measurement window is greater than or equal to the sum of a duration of the reference signal and twice a radio frequency retuning time of the terminal.

[0120] In some embodiments, the first period of the first measurement window is different from or the same as a period of the reference signal.

[0121] In some embodiments, when the first period of the first measurement window differs from the period of the reference signal, the first period of the first measurement window is an integer multiple of the period of the reference signal.

[0122] In some embodiments, the second transmitting module 1110 is configured to transmit first update information of the first measurement window to the terminal, and the first update information is used to update configuration parameters of the first measurement window in the terminal.

[0123] In some embodiments, the first update information comprises: A measurement configuration ID associated with the neighboring cell; and and a second setting parameter for the first measurement window.

[0124] In some embodiments, the beam measurement results include an index of a reference signal corresponding to an optimal beam, and the apparatus further includes a second processing module 1130. The second processing module 1130 is configured to calculate a beam change rate based on an index of a reference signal corresponding to the optimal beam, and when the beam change rate changes, determine the first update information of the first measurement window based on a correspondence relationship; The correspondence relationship includes a correspondence relationship between the beam change rate and a setting parameter of the first measurement window.

[0125] In some embodiments, the second processing module 1130 is configured to calculate a difference value between a first index and a second index, where the first index is an index of a reference signal corresponding to the optimal beam reported at the i-th time, and the second index is an index of a reference signal corresponding to the optimal beam reported at the i-1th time, where i is a positive integer greater than 1, and calculate a ratio between the difference value and a period of the first measurement window to obtain the beam change rate.

[0126] In some embodiments, the first update information is included in MAC CE signaling.

[0127] In some embodiments, the second transmitting module 1110 is configured to transmit second update information of the reference signal to the terminal, the second update information being used to update configuration parameters of the reference signal.

[0128] In some embodiments, the second update information is included in RRC signaling.

[0129] 16 shows a schematic block diagram of a UE provided by an exemplary embodiment of the present disclosure. The UE includes a processor 1201, a receiver 1202, a transmitter 1203, a memory 1204, and a bus 1205.

[0130] The processor 1201 includes one or more processing cores, and the processor 1201 executes various functional applications and information processing by executing software programs and modules. The receiver 1202 and the transmitter 1203 may be implemented as one communication component, which may be one communication chip.

[0131] The memory 1204 is connected to the processor 1201 via a bus 1205 . The memory 1204 is capable of storing at least one instruction, and the processor 1201 executes the at least one instruction to implement each step in the above method embodiments.

[0132] Furthermore, the memory 1204 can be realized by any type of volatile or non-volatile storage device or combination thereof, including, but not limited to, a magnetic or optical disk, an Electrically Erasable Programmable Read Only Memory (EEPROM), an Erasable Programmable Read Only Memory (EPROM), a Static Random Access Memory (SRAM), a Read-Only Memory (ROM), a magnetic memory, a flash memory, and a Programmable Read-Only Memory (PROM).

[0133] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is further provided, such as a memory including instructions, and the above instructions are executed by a processor of the UE to complete the above neighbor cell measurement method. For example, the non-transitory computer-readable storage medium may be a ROM, a Random-Access Memory (RAM), a Compact Disc Read Only Memory (CD-ROM), a magnetic tape, a floppy and an optical data storage device, etc.

[0134] In a non-transitory computer-readable storage medium, when the instructions in the non-transitory computer storage medium are executed by a processor of a UE, the UE can perform the above neighbor cell measurement method.

[0135] 17 is a block diagram of a network device 1300 according to an exemplary embodiment. The network device 1300 may be a base station. The network device 1300 may include a processor 1301, a receiver 1302, a transmitter 1303, and a memory 1304. The receiver 1302, the transmitter 1303, and the memory 1304 are each connected to the processor 1301 via a bus.

[0136] The processor 1301 includes one or more processing cores, and executes the neighbor cell measurement method according to the embodiment of the present disclosure by executing software programs and modules. The memory 1304 is used to store the software programs and modules. Specifically, the memory 1304 can store an operating system 13041 and at least one application program module 13042 required for the function. The receiver 1302 is used to receive communication data transmitted from other devices, and the transmitter 1303 is used to transmit communication data to other devices.

[0137] An exemplary embodiment of the present disclosure further provides a computer-readable storage medium, the computer-readable storage medium storing at least one instruction, at least one program, code set, or instruction set, the at least one instruction, the at least one program, code set, or instruction set being loaded and executed by the processor to realize the neighbor cell measurement method provided by the above method embodiments.

[0138] An exemplary embodiment of the present disclosure further provides a computer program product including computer instructions, the computer instructions being stored in a computer-readable storage medium, a processor of a computing device reading the computer instructions from the computer-readable storage medium, and the processor executing the computer instructions, thereby causing the computing device to perform the neighbor cell measurement method provided by the embodiments of each of the above methods.

[0139] As used herein, "plurality" means two or more, and "and / or" refers to an association between related objects and indicates that a three-way relationship may exist, e.g., A and / or B refers to three possible relationships: A exists alone, A and B exist together, and B exists alone. It should be understood that the character " / " typically refers to the related objects before and after it being in an "or" relationship.

[0140] Additionally, while terms such as "first", "second", etc. are used to describe various information, it should be understood that such information should not be limited to these terms. These terms are used only to distinguish the same types of information from one another and do not imply any particular order or importance. Indeed, expressions such as "first", "second", etc. may be used interchangeably. For example, a first message frame may be referred to as a second message frame, and similarly, a second message frame may be referred to as a first message frame, without departing from the scope of the present disclosure.

[0141] Additionally, although the embodiments of the present disclosure illustrate operations in a particular order in the figures, it should be understood that these operations should not be construed as requiring that they be performed in the particular order or sequential order shown, or that all of the operations shown must be performed in the particular order.

[0142] Other implementations of the present invention will be readily apparent to those skilled in the art after considering the specification and practicing the invention disclosed herein. The present disclosure is intended to cover any modifications, applications, or variations of the present disclosure, which modifications, applications, or variations follow the general principles of the embodiments of the present invention and include common knowledge or commonly used techniques in the art that are not disclosed in the embodiments of the present application. It is intended that the specification and examples be considered as merely exemplary, with the true scope and spirit of the embodiments of the present disclosure being indicated by the following claims.

[0143] It should be noted that the present disclosure is not limited to the exact configuration described above and illustrated in the drawings, and various modifications and variations can be made without departing from the scope of the present disclosure, which is limited only by the appended claims.

Claims

1. A method for measuring neighboring cells performed by a terminal, comprising: receiving setting information of a first measurement window, the first measurement window being used to perform beam measurements based on a reference signal of a neighboring cell; measuring the reference signal based on the first measurement window to obtain a beam measurement result of the neighboring cell; 2. A method for measuring adjacent cells.

2. The setting information of the first measurement window is a first length of the first measurement window; a first period of the first measurement window; a first offset value for the first measurement window; and a first timing advance of the first measurement window; The method for measuring adjacent cells according to claim 1 .

3. a first length of the first measurement window is determined by a duration of the reference signal and a radio frequency retuning time of the terminal; The method for measuring adjacent cells according to claim 2 .

4. a first length of the first measurement window is equal to or greater than the sum of a duration of the reference signal and twice a radio frequency retuning time of the terminal; The method for measuring adjacent cells according to claim 3 .

5. The step of measuring the reference signal based on the first measurement window comprises: If a serving cell and the neighboring cell use the same frequency and the reference signal is included in an activated bandwidth portion (BWP) of the terminal, measuring the reference signal within a second measurement window; The second measurement window is obtained based on subtracting a radio frequency retuning time of the terminal from the first measurement window, or the second measurement window is determined based on a duration of the reference signal. The method for measuring adjacent cells according to claim 1 .

6. The step of measuring the reference signal based on the first measurement window comprises: measuring the reference signal within the first measurement window if the reference signal satisfies a first condition; if the reference signal does not satisfy the first condition, measuring the reference signal at a time-frequency location of the reference signal. The method for measuring adjacent cells according to claim 1 .

7. The first condition is: A serving cell and the neighboring cell use different frequencies; or the serving cell and the neighboring cell use the same frequency, and the reference signal is not entirely included in the activated BWP of the terminal. The method for measuring adjacent cells according to claim 6 .

8. a first period of the first measurement window is different from or the same as a period of the reference signal; The method for measuring adjacent cells according to claim 2 .

9. If the first period of the first measurement window is different from the period of the reference signal, the first period of the first measurement window is an integer multiple of the period of the reference signal. The method for measuring adjacent cells according to claim 8 .

10. receiving a first update for the first measurement window; and updating a setting parameter of the first measurement window based on the first update information. The method for measuring adjacent cells according to claim 1 .

11. The first update information is a measurement configuration identifier (ID) associated with the neighboring cell; and a second setting parameter for the first measurement window. The method for measuring adjacent cells according to claim 10 .

12. the first update information is included in media access control layer control element (MAC CE) signaling; 12. The method for measuring adjacent cells according to claim 10 or 11.

13. receiving a second update of the reference signal; and updating a setting parameter of the reference signal based on the second update information. The method for measuring adjacent cells according to claim 1 .

14. The second update information is included in radio resource control (RRC) signaling. The method for measuring adjacent cells according to claim 13 .

15. A method for measuring neighboring cells performed by a network device, comprising: transmitting setting information of a first measurement window, the first measurement window being used to perform beam measurements based on a reference signal of a neighboring cell; receiving a beam measurement result of the neighboring cell measured based on the reference signal by a terminal; 2. A method for measuring adjacent cells.

16. The setting information of the first measurement window is a first length of the first measurement window; a first period of the first measurement window; a first offset value for the first measurement window; and a first timing advance of the first measurement window; The method for measuring adjacent cells according to claim 15 .

17. a first length of the first measurement window is determined by a duration of the reference signal and a radio frequency retuning time of the terminal; 17. The method of claim 16, wherein the neighboring cell measurement method is

18. a first length of the first measurement window is equal to or greater than the sum of a duration of the reference signal and twice a radio frequency retuning time of the terminal; 20. The method of claim 17, wherein the neighboring cell measurement method is

19. a first period of the first measurement window is different from or the same as a period of the reference signal; 17. The method of claim 16, wherein the neighboring cell measurement method is

20. If the first period of the first measurement window is different from the period of the reference signal, the first period of the first measurement window is an integer multiple of the period of the reference signal.

20. The method of claim 19, wherein the neighboring cell measurement method is

21. sending first update information of the first measurement window to the terminal, the first update information being used to update a configuration parameter of the first measurement window in the terminal; The method for measuring adjacent cells according to claim 15 .

22. The first update information is A measurement configuration ID associated with the neighboring cell; and and second setting parameters for the first measurement window.

22. The method of claim 21, wherein the neighboring cell measurement method is

23. the beam measurement results include an index of a reference signal corresponding to an optimal beam; The method comprises: calculating a beam change rate based on an index of a reference signal corresponding to the optimal beam; and if the beam change rate changes, determining the first update information for the first measurement window based on a correspondence relationship; the correspondence relationship includes a correspondence relationship between the beam change rate and a setting parameter of the first measurement window.

22. The method of claim 21, wherein the neighboring cell measurement method is

24. The step of calculating a beam change rate based on an index of a reference signal corresponding to the optimal beam includes: a step of calculating a difference value between a first index and a second index, the first index being an index of a reference signal corresponding to the optimal beam reported at an i-th time, the second index being an index of a reference signal corresponding to the optimal beam reported at an i-1-th time, and i being a positive integer greater than 1; and calculating a ratio of the difference value to a period of the first measurement window to obtain the beam change rate.

24. The method of claim 23, wherein the neighboring cell measurement method is

25. The first update information is included in MAC CE signaling. The method for measuring adjacent cells according to any one of claims 21 to 24.

26. transmitting second update information of the reference signal to the terminal, the second update information being used to update a configuration parameter of the reference signal; The method for measuring adjacent cells according to claim 15 .

27. The second update information is included in an RRC signaling.

27. The method of claim 26, wherein the neighboring cell measurement method is

28. A measurement device for adjacent cells, comprising: a first receiving module configured to receive setting information of a first measurement window, the first measurement window being used to perform beam measurement based on a reference signal of a neighboring cell; a first processing module configured to measure the reference signal based on the first measurement window to obtain a beam measurement result of the neighboring cell; 2. An apparatus for measuring adjacent cells comprising:

29. A measurement device for adjacent cells, comprising: a second transmitting module configured to transmit setting information of a first measurement window, the first measurement window being used to perform beam measurement based on a reference signal of a neighboring cell; and a second receiving module configured to receive a beam measurement result of the neighboring cell measured by a terminal based on the reference signal.

2. An apparatus for measuring adjacent cells comprising:

30. A terminal, A processor; a transceiver coupled to the processor; The processor loads and executes executable instructions to implement the method for measuring neighboring cells according to any one of claims 1 to 14. A terminal characterized by:

31. 1. A network device, comprising: A processor; a transceiver coupled to the processor; The processor loads and executes executable instructions to implement the method for measuring neighboring cells according to any one of claims 15 to 27. A network device comprising:

32. A computer readable storage medium having stored thereon at least one instruction, at least one program, code set or instruction set, comprising: The at least one instruction, the at least one program, the code set or the instruction set is loaded and executed by a processor to realize the method for measuring neighboring cells according to any one of claims 1 to 14 or the method for measuring neighboring cells according to any one of claims 15 to 27. A computer-readable storage medium comprising:

33. 1. A computer program product comprising computer instructions, The computer instructions are stored in a computer-readable storage medium, and a processor of a computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, thereby causing the computer device to perform the neighboring cell measurement method described in any one of claims 1 to 14 or the neighboring cell measurement method described in any one of claims 15 to 27.

23. A computer program product comprising:

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