Inter-satellite measurement configuration method and device and storage medium

Abstract

The invention provides an inter-satellite measurement configuration method and device and a storage medium, and relates to the technical field of wireless communication, and the method comprises the steps: sending a measurement configuration request message to one or more target satellite base stations, and receiving a measurement configuration response message corresponding to the measurement configuration request message; and determining measurement configuration information of the cells served by the one or more target satellite base stations based on the measurement configuration response message, and sending the measurement configuration information to the terminal. Through inter-satellite interaction measurement configuration, the problem that the propagation delay of adjacent satellite cells for an overlapping region is high and / or accurate measurement configuration cannot be configured for UE in a satellite beam hopping mode is solved, and the reliability of RRM measurement is improved.

Description

Technical Field

[0001] The present application relates to the field of wireless communication, and in particular, to an inter-satellite measurement configuration method, apparatus, and storage medium. Background Art

[0002] In a mobile communication system, to support the mobility of a terminal UE (User Equipment) and obtain the channel condition of the current surrounding cells of the UE in a timely manner, the network configures the UE to perform RRM (Radio Resource Management) measurements. In a satellite communication system, the propagation delay difference of two adjacent satellite cells in the overlapping area can reach the millisecond level, which has a fatal impact on neighbor cell measurements; and when the satellite uses the hopping beam technology, the source satellite base station may not know when the beam of the target satellite covers this area, so it is impossible to configure accurate measurement configuration for the UE.

[0003] To better solve the above problems of inter-satellite measurement configuration, this patent proposes an inter-satellite measurement configuration interaction mechanism. Summary of the Invention

[0004] In view of the problems existing in the prior art, embodiments of the present application provide an inter-satellite measurement configuration method, apparatus, and storage medium to solve the problems of large propagation delay difference of adjacent satellite cells in the overlapping area and / or inability to configure accurate measurement configuration for the UE in the satellite hopping beam mode, and improve the reliability of RRM measurements.

[0005] In a first aspect, an inter-satellite measurement configuration method provided by an embodiment of the present application is applied to a source satellite base station and includes:

[0006] Sending a measurement configuration request message to one or more target satellite base stations, where the measurement configuration request message includes regional geographical location information, and the regional geographical location information is associated with the overlapping area of the satellite source base station and the target satellite base station, and / or is associated with the location of the terminal served by the satellite source base station;

[0007] Receiving a measurement configuration response message corresponding to the measurement configuration request message;

[0008] Determining measurement configuration information of the cells served by the one or more target satellite base stations based on the measurement configuration response message, and sending the measurement configuration information to the terminal.

[0009] In some embodiments, the regional geographical location information includes one or more of the following:

[0010] Regional location information of the overlapping area covered by the source satellite base station and the target satellite base station;

[0011] The wave position number information of the overlapping coverage wave positions of the source satellite base station and the target satellite base station;

[0012] The terminal location information of at least one terminal served by the source satellite base station.

[0013] In some embodiments, when the measurement configuration request message includes the wave position number information of the overlapping coverage wave positions of the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the wave position indicated by the wave position number information;

[0014] When the measurement configuration request message includes the area location information of the overlapping area of the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the area location indicated by the area location information; and / or

[0015] When the measurement configuration request message includes the terminal location information of at least one terminal served by the source satellite base station, the measurement configuration response message includes the measurement configuration information applicable to the one or more terminals.

[0016] In some embodiments, the measurement configuration information at least includes:

[0017] RRM measurement-related configurations, and the RRM measurement-related configurations include SMTC configurations and / or CSI-RS configurations.

[0018] In some embodiments, the measurement configuration information further includes:

[0019] Valid time; and / or

[0020] The geographical area to which the measurement configuration indicated by the measurement configuration information applies;

[0021] Wherein, the valid time is identified by:

[0022] The start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or

[0023] A timer related to the measurement configuration;

[0024] Wherein, the geographical area used by the measurement configuration is the same as or different from the area indicated by the area geographical location information.

[0025] Sending the measurement configuration request message to one or more target base stations includes:

[0026] Sending the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or

[0027] Sending the measurement configuration request message via the AMF through the NG interface.

[0028] In some embodiments, sending the measurement configuration information to the terminal includes:

[0029] sending the measurement configuration information to the terminal through system information broadcast; and / or

[0030] sending the measurement configuration information to the terminal through a dedicated message.

[0031] In a second aspect, an inter-satellite measurement configuration method provided by an embodiment of the present application is applied to a target satellite base station and includes:

[0032] receiving a measurement configuration request message from one or more source satellite base stations, where the measurement configuration request message includes regional geographical location information, and the regional geographical location information is associated with an area overlapping between the source satellite base station and the target satellite base station, and / or is associated with the location of a terminal served by the satellite source base station;

[0033] determining a measurement configuration response message corresponding to the measurement configuration request message based on the measurement configuration request message;

[0034] sending the measurement configuration response message to the one or more source satellite base stations.

[0035] In some embodiments, the regional geographical location information includes one or more of the following:

[0036] regional location information of the area overlapping between the source satellite base station and the target satellite base station;

[0037] wave number information of the wave position overlappingly covered by the source satellite base station and the target satellite base station;

[0038] terminal location information of at least one terminal served by the source satellite base station.

[0039] In some embodiments, when the measurement configuration request message includes wave number information of the wave position overlappingly covered by the source satellite base station and the target satellite base station, the measurement configuration response message includes measurement configuration information corresponding to the wave position indicated by the wave number information;

[0040] when the measurement configuration request message includes regional location information of the area overlapping between the source satellite base station and the target satellite base station, the measurement configuration response message includes measurement configuration information corresponding to the regional location indicated by the regional location information; and / or

[0041] when the measurement configuration request message includes terminal location information of at least one terminal served by the source satellite base station, the measurement configuration response message includes measurement configuration information applicable to the one or more terminals.

[0042] In some embodiments, the method further includes:

[0043] Based on the measurement configuration request message, determining that the area location included in the area location information is covered by the target satellite base station;

[0044] Based on the beam hopping pattern and the measurement signal configuration, determining the measurement configuration information corresponding to each area location in the area location information.

[0045] In some embodiments, the measurement configuration information at least includes:

[0046] RRM measurement related configurations, including SMTC configuration and / or CSI-RS configuration.

[0047] In some embodiments, the measurement configuration information further includes:

[0048] Valid time; and / or

[0049] The geographical area to which the measurement configuration indicated by the measurement configuration information applies;

[0050] Wherein, the valid time is identified by:

[0051] The start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or

[0052] A timer related to the measurement configuration;

[0053] Wherein, the geographical area used by the measurement configuration is the same as or different from the area indicated by the area geographical location information.

[0054] In some embodiments, the receiving of the measurement configuration request message includes:

[0055] Receiving the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or

[0056] Receiving the measurement configuration request message via the AMF through the NG interface.

[0057] In a third aspect, an embodiment of the present application further provides a source satellite base station, including a memory, a transceiver, and a processor:

[0058] The memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:

[0059] Send a measurement configuration request message to one or more target satellite base stations, where the measurement configuration request message includes regional geographical location information associated with the overlapping area of the source satellite base station and the target satellite base station, and / or associated with the location of the terminal served by the satellite source base station;

[0060] Receive a measurement configuration response message corresponding to the measurement configuration request message;

[0061] Determine the measurement configuration information of the one or more target satellite base stations based on the measurement configuration response message, and send the measurement configuration information to the terminal.

[0062] In some embodiments, the regional geographical location information includes one or more of the following:

[0063] Regional location information of the overlapping area between the source satellite base station and the target satellite base station;

[0064] Beam number information of the overlapping coverage beams between the source satellite base station and the target satellite base station;

[0065] Terminal location information of at least one terminal served by the source satellite base station.

[0066] In some embodiments, when the measurement configuration request message includes the beam number information of the overlapping coverage beams between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the beam indicated by the beam number information;

[0067] When the measurement configuration request message includes the regional location information of the overlapping area between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the regional location indicated by the regional location information; and / or

[0068] When the measurement configuration request message includes the terminal location information of at least one terminal served by the source satellite base station, the measurement configuration response message includes the measurement configuration information applicable to the one or more terminals.

[0069] In some embodiments, the measurement configuration information at least includes:

[0070] RRM measurement-related configurations, where the RRM measurement-related configurations include SMTC configurations and / or CSI-RS configurations.

[0071] In some embodiments, the measurement configuration information further includes:

[0072] Valid time; and / or

[0073] The geographical area to which the measurement configuration indicated by the measurement configuration information applies;

[0074] Among them, the effective time is identified by the following:

[0075] The start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or

[0076] A timer related to the measurement configuration;

[0077] Among them, the geographical area used by the measurement configuration is the same as or different from the area indicated by the area geographical location information.

[0078] In some embodiments, sending the measurement configuration request message to one or more target base stations includes:

[0079] Sending the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or

[0080] Sending the measurement configuration request message via the NG interface through the AMF.

[0081] In some embodiments, sending the measurement configuration information to the terminal includes:

[0082] Sending the measurement configuration information to the terminal through system information broadcast; and / or

[0083] Sending the measurement configuration information to the terminal through a dedicated message.

[0084] In a fifth aspect, an embodiment of the present application further provides a target satellite base station, including a memory, a transceiver, and a processor:

[0085] The memory is used to store computer programs; the transceiver is used to transmit and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:

[0086] Receiving a measurement configuration request message from one or more source satellite base stations, where the measurement configuration request message includes area geographical location information, and the area geographical location information is associated with the area where the source satellite base station and the target satellite base station overlap, and / or, is associated with the location of the terminal served by the satellite source base station;

[0087] Determining a measurement configuration response message corresponding to the measurement configuration request message based on the measurement configuration request message;

[0088] Sending the measurement configuration response message to the one or more source satellite base stations.

[0089] In some embodiments, the area geographical location information includes one or more of the following:

[0090] The regional location information of the overlapping area between the source satellite base station and the target satellite base station;

[0091] The wave position number information of the overlapping coverage wave positions between the source satellite base station and the target satellite base station;

[0092] The terminal location information of at least one terminal served by the source satellite base station.

[0093] In some embodiments, when the measurement configuration request message includes the wave position number information of the overlapping coverage wave positions between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the wave position indicated by the wave position number information;

[0094] When the measurement configuration request message includes the regional location information of the overlapping area between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the regional location indicated by the regional location information; and / or

[0095] When the measurement configuration request message includes the terminal location information of at least one terminal served by the source satellite base station, the measurement configuration response message includes the measurement configuration information applicable to the one or more terminals.

[0096] In some embodiments, the processor is further configured to execute:

[0097] Based on the measurement configuration request message, determine that the regional location included in the regional location information is covered by the target satellite base station;

[0098] Based on the beam hopping pattern and the measurement signal configuration, determine the measurement configuration information corresponding to each regional location in the regional location information.

[0099] In some embodiments, the measurement configuration information at least includes:

[0100] RRM measurement related configurations, where the RRM measurement related configurations include SMTC configurations and / or CSI-RS configurations.

[0101] In some embodiments, the measurement configuration information further includes:

[0102] Valid time; and / or

[0103] The geographical area to which the measurement configuration indicated by the measurement configuration information applies;

[0104] Wherein, the valid time is identified by:

[0105] The start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or

[0106] A timer related to the measurement configuration;

[0107] Wherein, the geographical area used in the measurement configuration is the same as or different from the area indicated by the area geographical location information.

[0108] In some embodiments, the received measurement configuration request message includes:

[0109] Receiving the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or

[0110] Receiving the measurement configuration request message via the NG interface through the AMF.

[0111] In a fifth aspect, an embodiment of the present application further provides a source satellite base station, including:

[0112] A sending request module, configured to send a measurement configuration request message to one or more target satellite base stations, wherein the measurement configuration request message includes area geographical location information, the area geographical location information is associated with the area where the source satellite base station and the target satellite base station overlap, and / or, the area geographical location information is associated with the location of the terminal served by the satellite source base station;

[0113] A receiving response module, configured to receive a measurement configuration response message corresponding to the measurement configuration request message;

[0114] A sending configuration module, configured to determine the measurement configuration information of the cells served by the one or more target satellite base stations based on the measurement configuration response message, and send the measurement configuration information to the one or more terminals.

[0115] In a sixth aspect, an embodiment of the present application further provides a target satellite base station, including:

[0116] A receiving request module, configured to receive a measurement configuration request message from one or more source satellite base stations, wherein the measurement configuration request message includes area geographical location information, the area geographical location information is associated with the area where the source satellite base station and the target satellite base station overlap, and / or, is associated with the location of the terminal served by the satellite source base station;

[0117] A determining response module, configured to determine a measurement configuration response message based on the measurement configuration request message;

[0118] A sending response module, configured to send the measurement configuration response message to the one or more source satellite base stations.

[0119] The inter-satellite measurement configuration method, device, and storage medium provided by the embodiments of the present application interact measurement configuration information through a measurement configuration request process between adjacent satellite base stations. The source satellite sends a measurement configuration request message to the neighboring satellite, and the neighboring satellite feeds back the corresponding measurement configuration information after receiving it, so as to interact measurement configuration between the source satellite base station and the target satellite base station, solve the problems of large propagation delay difference in the overlapping area for adjacent satellite cells and / or inability to configure accurate measurement configurations for UEs in the satellite beam hopping mode, and improve the reliability of RRM measurements. Description of the Drawings

[0120] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0121] Figure 1 It is a flowchart of the inter-satellite measurement configuration method provided by the embodiments of the present application;

[0122] Figure 2 It is a flowchart of the inter-satellite measurement configuration method provided by the embodiments of the present application;

[0123] Figure 3 It is a flowchart of the inter-satellite measurement configuration method provided by the embodiments of the present application;

[0124] Figure 4 It is a flowchart of the inter-satellite measurement configuration method provided by the embodiments of the present application;

[0125] Figure 5 It is a schematic diagram of the inter-satellite wave position overlapping area provided by the embodiments of the present application;

[0126] Figure 6 It is a schematic diagram of the structure of the source satellite base station provided by the embodiments of the present application;

[0127] Figure 7 It is a schematic diagram of the structure of the target satellite base station provided by the embodiments of the present application;

[0128] Figure 8 It is a schematic diagram of the structure of the terminal provided by the embodiments of the present application;

[0129] Figure 9 It is a schematic diagram of the structure of the source satellite base station provided by the embodiments of the present application;

[0130] Figure 10 It is a schematic diagram of the structure of the target satellite base station provided by the embodiments of the present application;

[0131] Figure 11 This is a schematic structural diagram of a terminal provided by an embodiment of the present application. Detailed implementation manners

[0132] In a mobile communication system, the movement of a UE (User Equipment) causes the channel conditions around it to change constantly. To support the mobility of the UE and obtain the channel conditions of the current surrounding cells of the UE in a timely manner, the network configures the UE to perform RRM (Radio Resource Management) measurements. The idle-state and inactive-state UEs perform cell selection or reselection based on the RRM measurement results, and the connected-state UE reports the RRM measurement results to the network to assist the network in making handover decisions. The following describes the measurement processing procedure of the connected-state UE.

[0133] 1) Measurement processing flow

[0134] The measurement process of the satellite communication system in the connected state is the same as that of the NR system. The network configures measurement objects, measurement events, measurement periods, etc. in the RRC reconfiguration message, and the UE will perform measurements according to the configuration. When the triggering condition is met, the terminal will report the measurement results using a Measurement Report.

[0135] 2) Neighboring cell measurement configuration

[0136] In a terrestrial system, the base station configures the measurement window of neighboring cells based on the frame timing of the serving cell, and configures the measurement window for the UE through the information element SSB-MTC, including the measurement window period and offset periodicityAndOffset and the measurement window length duration information, given in terms of subframes.

[0137] The system frame number SFN at which the measurement window appears is determined by the following formula:

[0138] SFN mod T = (FLOOR(Offset / 10));

[0139] The subframe number is determined by the following formula:

[0140] If Periodicity is greater than sf5:

[0141] subframe = Offset mod 10;

[0142] Otherwise (i.e., Periodicity is equal to sf5):

[0143] subframe = Offset or (Offset + 5);

[0144] where T = CEIL(Periodicity / 10).

[0145] 1) In the related mechanism, the RRM measurement configuration of neighboring cells is configured by the source cell base station based on its own frame timing and propagation delay difference. In the terrestrial system, the propagation delay difference between adjacent cells and the UE is not large. However, for a satellite communication system, the difference caused by the different propagation delays of adjacent satellite cells will have a fatal impact on the measurement of neighboring cells.

[0146] 2) In the satellite hopping beam working mode, the beams are allocated on demand and dynamically scheduled. Therefore, the source satellite base station may not know the beam hopping pattern of neighboring satellites, and there may be no neighboring satellite beams in the area where the UE is located when configuring the measurement, so the measurement cannot be performed.

[0147] For this reason, the present invention proposes an inter-satellite measurement configuration interaction mechanism.

[0148] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0149] To facilitate a clearer understanding of the embodiments of the present application, some related technical knowledge is introduced as follows.

[0150] Figure 1 is a schematic flowchart of the inter-satellite measurement configuration method provided by the embodiment of the present application. As Figure 1 shown, the embodiment of the present application provides an inter-satellite measurement configuration method, and its execution subject may be a source satellite base station. The method includes:

[0151] Step 110, sending a measurement configuration request message to one or more target satellite base stations, where the measurement configuration request message includes regional geographical location information, and the regional geographical location information is associated with the area overlapping the satellite source base station and the target satellite base station, and / or is associated with the location of the terminal served by the satellite source base station.

[0152] For measurement configuration, all terminals within a certain area range (which can be the ground-mapped wave position range, or a very small area, or a grid area) can be measured with the same neighboring cell measurement configuration. Geographical areas may be involved in both the measurement configuration request message and the response message, but their meanings are different.

[0153] In the measurement configuration request message, it can be understood that the source base station wants to request the neighbor cell measurement configuration for the end users in the geographical area it manages. For example, this geographical area is identified by the regional geographical location information. In the measurement configuration response message, the target base station provides the measurement configuration information that matches the corresponding geographical area according to its own beam scanning situation, etc. The geographical area in the response message refers to the area range to which this measurement configuration applies.

[0154] In one implementation, the measurement configuration request message can request the corresponding measurement configuration information for one or more users and overlapping areas at a time. The measurement configuration request message can contain one or more regional geographical location information, and the regional geographical information can have different forms in different situations. For example:

[0155] A list of wave position numbers, such as a list of wave position center point coordinates, can indicate a fixed ground area. For example, in the Earth-Fixed mode or Quasi-Earth-fixed mode, the wave positions are divided by the fixed ground positions. The source satellite base station serving the terminal can send a measurement configuration request message for the two-satellite overlapping coverage wave positions to the neighboring satellite by taking the wave positions as the granularity. The measurement configuration request message can carry a list of wave positions to indicate the wave position numbers of one or more overlapping areas. In another implementation, the wave positions indicated by the list of wave position numbers can also be the wave positions that do not overlap currently, but can be determined by the effective time parameter to be the wave positions that will overlap in the future.

[0156] A list of regional location information. The regional location information can be, for example, a regional range divided by longitude and latitude, a regional range represented by the center point coordinates and radius, etc. The regional locations in the list of regional location information can be, for example, the two-satellite overlapping (overlapping) area between the source satellite base station and the target satellite base station. In another implementation, the regional locations indicated by the list of regional location information can also be the areas that do not overlap currently, but can be determined by the effective time parameter to be the areas that will overlap in the future.

[0157] A list of location information of the served users (terminals), which can contain the geographical location coordinate information of one or more users (terminals). The users mentioned here can be the terminal devices served by the source base station. When the request message contains the user location information, the target base station includes the measurement configuration applicable to this user location in the response message, optionally including the effective time and applicable area. After receiving it, the source base station sends the measurement configuration to the corresponding user. In another implementation, the terminal users carried in the request message are the users served by the source satellite base station. The user location can be within the two-satellite overlapping coverage area or outside the overlapping area. The source satellite base station makes a configuration request for the terminals it serves with the terminal as the granularity, improving the efficiency of the measurement configuration.

[0158] Regional geographic information such as the list of wave position numbers, the list of regional location information, and the list of location information of served users is applicable to different application scenarios and can also be applied simultaneously in a certain scenario. For example, in the Earth-Fixed (abbreviated as ground-fixed) mode or the Quasi-Earth-fixed (quasi-ground-fixed) mode, wave positions are generally divided by ground-fixed positions. In this scenario, the source satellite base station of the serving terminal can send a measurement configuration request message for two-satellite overlapping coverage wave positions to adjacent satellites in units of wave positions, and the wave position number list is carried in the request message. In another scenario, the source satellite base station can also request measurement configuration for a geographic area, and one or more regional geographic location information is carried in the request message. The source satellite base station can also target the terminal user and carry the list of location information of the served user (terminal) in the request message to directly request UE-level adjacent satellite cell measurement configuration information.

[0159] Step 120: Receive a measurement configuration response message corresponding to the measurement configuration request message.

[0160] In this step, the source base station receives the measurement configuration query response message fed back by the target base station. After receiving the query request message, the target base station calculates and verifies whether the area covered by the wave position number list or the regional geographic information list can be scanned.

[0161] The target base station combines the current beam hopping pattern and the current measurement signal configuration (such as the SMTC configuration or CSI-RS configuration of the serving cell of the target base station), and includes the corresponding configuration information in the response message according to the regional geographical location information in the measurement configuration request message. For example, for the wave position number list, feedback the measurement configuration information corresponding to each area wave position; for each area in the area position list, feedback the measurement configuration information corresponding to the area; for the user (terminal) position information, feedback the measurement configuration information of the user (terminal). The measurement configuration information may include configurations related to RRM (Radio Resource Management), such as SMTC (SSB based RRM Measurement Timing Configuration) configuration and / or CSI-RS (channel-state information reference signal) configuration. Either the SMTC configuration or the CSI-RS configuration can also be selected optionally. In an alternative embodiment, the measurement configuration information may further include information such as the valid time and the geographical area applicable to the measurement configuration. The valid time, for example, can be the start time and end time when this measurement configuration becomes effective, or can be represented in the form of a timer, etc. In one embodiment, the valid time can be used to indicate a certain future moment when the wave positions and areas covered by the source satellite base station and the target satellite base station overlap. The geographical area applicable to the measurement configuration, for example, can be a regional range divided by longitude and latitude, or can be a regional range identified by the center point coordinates and radius, etc.

[0162] The current measurement signal configuration includes, but is not limited to, the SMTC configuration, CSI-RS configuration, etc. of the serving cell of the target base station.

[0163] As mentioned in step 110, geographical areas may be involved in both the measurement configuration request message and the response message, but their meanings are different.

[0164] In the measurement configuration request message, it can be understood that the source base station wants to request the neighbor cell measurement configuration for the terminal users in this geographical area it manages, for example, to identify this geographical area through the regional geographical location information; in the measurement configuration response message, the target base station gives the measurement configuration information that matches the corresponding geographical area according to its own beam scanning situation, etc. The geographical area applicable to the measurement configuration in the response message refers to the regional range to which this measurement configuration applies.

[0165] The geographical area in the request message and the geographical area indicated in the response message can be the same area or different areas, depending on the implementation conditions and circumstances. For example, area A includes sub-areas a and b, and the request message sent by the source base station carries the information of area A. The target base station determines according to the beam scanning positions that sub-area a in area A corresponds to one set of measurement configurations, and sub-area b corresponds to another set of measurement configurations. Then the target base station can feedback the measurement configurations of sub-area a and sub-area b to the source base station. The measurement configuration response message can feedback the measurement configurations corresponding to sub-area a and sub-area b in multiple ways. For example, the geographical area information of sub-areas a and b and the corresponding measurement configurations can be carried simultaneously in a response message in the form of a list. Optionally, the measurement configurations of sub-areas a and b can also be feedback separately in two response messages, or one of sub-areas a or b can be feedback as the measurement configuration corresponding to area A according to a predetermined rule.

[0166] Considering the impact of propagation delay differences of different links, the target base station can appropriately expand the window length in the configured measurement window and provide the SFN deviation value of this base station.

[0167] This measurement configuration request process can be directly carried out through the Xn interface, or can be completed through the NG (Next Generation) interface via the forwarding of the AMF (Access and Mobility Management Function).

[0168] Step 130, determine the measurement configuration information of the cells served by the one or more target satellite base stations based on the measurement configuration response message, and send the measurement configuration information to the terminal.

[0169] The neighboring satellite cells mentioned in this step are the cells served by one or more target satellite base stations. In this step, the source base station obtains the measurement configuration information of the neighboring satellite cells served by the target base station and sends it to the terminals in the service area.

[0170] After obtaining the measurement configuration information, the source base station can send the measurement configuration information in one or more of the following ways:

[0171] System information broadcast. The measurement configurations of neighboring satellites, optionally plus the corresponding valid time and applicable geographical area information, are sent to the UEs in the service area through system information broadcast. UEs in the connected state or non-connected state can receive them.

[0172] Dedicated message sending. For UEs in the connected state, the source satellite base station can determine the measurement configuration information of neighboring satellites applicable to the UE according to the geographical location information of the UE, and send it to the UE separately through a dedicated message (such as an RRCReconfiguration, RRC reconfiguration message, etc.).

[0173] Figure 2 is a schematic flowchart of an inter-satellite measurement configuration method provided by an embodiment of the present application. As Figure 2 shown, an embodiment of the present application provides an inter-satellite measurement configuration method, and its execution subject may be a target satellite base station. The method includes:

[0174] Step 210, receiving a measurement configuration request message from one or more source satellite base stations. The measurement configuration request message includes regional geographical location information, where the regional geographical location information is associated with the overlapping area between the source satellite base station and the target satellite base station, and / or is associated with the location of the terminal served by the satellite source base station.

[0175] The source satellite base station may send a request message to one target satellite base station or multiple target satellite base stations. The target satellite base station may also receive the request message from one or more source satellite base stations and make corresponding feedback.

[0176] In one implementation, the measurement configuration request message may request the corresponding measurement configuration information for one or more users and overlapping areas at a time. The measurement configuration request message may contain one or more pieces of regional geographical location information, and the regional geographical information may have different manifestations in different cases. For example:

[0177] A list of wave position numbers, such as a list of wave position center point coordinates, which can indicate a fixed ground area. For example, in the Earth-Fixed mode or Quasi-Earth-fixed mode, wave positions are generally divided by fixed ground positions. The source satellite base station serving the terminal may initiate a measurement configuration request message for the two-satellite overlapping coverage wave positions to adjacent satellites in terms of wave positions. The measurement configuration request message may carry a list of wave positions to indicate the wave position numbers of one or more overlapping areas.

[0178] A list of regional position information. The regional position information may be, for example, a regional range divided by longitude and latitude, a regional range represented by a center point coordinate and a radius, etc. The regional positions in the list of regional position information may be, for example, the two-satellite overlapping area between the source satellite base station and the target satellite base station, or a specific area may be specified for the request. For example, a request may be made for the area that the target base station will cover after a certain period of time in the future. The target base station will verify whether the area can provide services.

[0179] The location information list of the service user (terminal) may include the geographic location coordinate information of one or more users (terminals). The user mentioned here may be the terminal device served by the source base station. When the request message contains the user location information, the target base station includes the measurement configuration applicable to the user location in the response message, optionally including the effective time and applicable area. After receiving it, the source base station sends the measurement configuration to the corresponding user.

[0180] Regional geographic information such as the wave position number list, the regional location information list, and the location information list of the service user are applicable to different application scenarios and can also be applied simultaneously in a certain scenario. Normally, the source base station makes a request for one of the wave position, region or terminal, that is, the request message contains only one type of parameter in the regional geographic information. Optionally, the source base station can also make a request for multiple types of regional geographic information, that is, the request message contains one or more types of parameters in the regional geographic information. For example, in the Earth-Fixed (referred to as ground fixed) mode or the Quasi-Earth-fixed (quasi-ground fixed) mode, the wave position is generally divided by the ground fixed position. In this scenario, the source satellite base station serving the terminal can initiate a measurement configuration request message of the overlapping coverage wave position of two satellites to the neighboring satellite at the wave position granularity, and the request message carries a wave position number list. In another scenario, the source satellite base station can also request measurement configuration for a geographical area, and the request message carries one or more regional geographic location information. The source satellite base station can also carry the location information list of the service user (terminal) in the request message for the terminal user, and direct the request UE-level neighboring satellite cell measurement configuration information.

[0181] Step 220: Determine a measurement configuration response message corresponding to the measurement configuration request message based on the measurement configuration request message.

[0182] Step 230: Send the measurement configuration response message to the one or more source satellite base stations.

[0183] In one implementation manner, after receiving the measurement configuration request message, the target base station calculates and verifies whether the geographical area indicated by the wave position number list and the regional location information list is an area that the target base station can cover, or calculates and verifies whether the user terminal in the service user location information list in the request message is a terminal that the target base station can serve. The wave position indicated by the wave position number list can be a wave position where the source base station and the target base station overlap, the regional location indicated by the regional location information list can also be an area where the source base station and the target base station overlap, and the user location indicated in the service user location information list can also be a user terminal location where the target base station overlaps.

[0184] Subsequently, in one embodiment, the target base station may combine the current beam hopping pattern and the measurement signal configuration, and determine the corresponding configuration information included in the response message according to the regional geographical location information in the measurement configuration request message. For example, for the wave position number list, feedback the measurement configuration information corresponding to each area wave position; for each area in the area position list, feedback the measurement configuration information corresponding to the area; for the user (terminal) position information, feedback the measurement configuration information of the user (terminal).

[0185] The measurement configuration information may include, but is not limited to, RRM measurement-related configurations, such as SMTC (SSB based RRM Measurement Timing Configuration) configuration and / or CSI-RS configuration. Either the SMTC configuration or the CSI-RS configuration can be selected optionally. Optionally, the measurement configuration information may further include information such as the valid time and the geographical area applicable to the measurement configuration. The valid time may be, for example, the start time and end time when the measurement configuration becomes effective, or the time represented in the form of a timer, etc. The geographical area applicable to the measurement configuration may be, for example, the area range divided by longitude and latitude, or the area range identified by the center point coordinates and radius, etc.

[0186] Considering the influence of the propagation delay difference of different links, the target base station may appropriately increase the window length in the configured measurement window and provide the SFN deviation value of this base station.

[0187] The measurement configuration request and response process may be directly carried out through the Xn interface between the source satellite base station and the target satellite base station, or may be completed through the NG interface via the forwarding of the AMF.

[0188] Figure 3 It is a schematic flow diagram of the inter-satellite measurement configuration method provided by the embodiments of this application. As Figure 3 shown, the embodiments of this application provide an inter-satellite measurement configuration method, and its execution subject may be a terminal. The method includes:

[0189] Step 310, receive the measurement configuration information of the neighboring satellite cell from the source satellite base station serving the terminal, where the neighboring satellite cell is the cell served by the one or more target satellite base stations.

[0190] When the terminal is a connected terminal, receive the measurement configuration information through the system broadcast message or the dedicated message; when the terminal is a non-connected terminal, receive the measurement configuration information through the system broadcast message.

[0191] The measurement configuration information may include the measurement configuration information corresponding to the wave positions where the source satellite base station and the target satellite base station overlap, the measurement configuration information corresponding to the area where the source satellite base station and the target satellite base station overlap, or may also be the measurement configuration information for the terminal.

[0192] Optionally, the measurement configuration information may be applicable to wave positions, applicable to areas, applicable to terminals, or may also be the superposition and application of one or more of wave positions, areas, and terminals.

[0193] The measurement configuration information may include, but is not limited to, configurations related to RRM measurements, such as SMTC (SSB based RRM Measurement Timing Configuration) configuration and / or CSI-RS configuration. Either the SMTC configuration or the CSI-RS configuration can be selected optionally. Optionally, the measurement configuration information may further include information such as the effective time, the geographical area applicable to the measurement configuration, etc. It is the same as or similar to the description of the measurement configuration information in the Figure 1 and Figure 2 embodiment, and will not be elaborated herein.

[0194] Figure 4 is a schematic flowchart of the inter-satellite measurement configuration method provided by the embodiments of the present application. As Figure 4 shown, the embodiments of the present application provide an inter-satellite measurement configuration method for interaction between a source satellite base station, a target satellite base station, and a terminal.

[0195] In a satellite communication system, adjacent satellite base stations may interact measurement configuration information through a measurement configuration request process. The source satellite (source satellite base station) sends a measurement configuration request message (MeasConfgEnquiryRequest) to the neighboring satellite (target satellite base station), and the message contains regional geographical location information. After receiving the message, the neighboring satellite feeds back a measurement configuration response message (MeasConfg EnquiryResponse) with the SMTC configuration and / or CSI-RS configuration for RRM measurements in the corresponding area. Optionally, it feeds back the effective time and the geographical area applicable to the measurement configuration.

[0196] For example, as Figure 4As shown, the source base station may send measurement configuration request messages to target base station 1 and target base station 2 respectively. In one embodiment, the measurement configuration request message 1 sent by the source base station to target base station 1 carries location information 1 (regional geographical location information 1), for example, used to request the measurement configuration corresponding to wave position 1; the measurement configuration request message 2 sent by the source base station to target base station 2 carries location information 2 (regional geographical location information 2), for example, used to request the measurement configuration corresponding to geographical area 2. In other embodiments, location information 1 and location information 2 may also indicate the geographical area to be requested, the location of the end user, etc., or simultaneously indicate one or more of wave position, geographical area, the location of the end user, etc., depending on actual needs, which is not limited in the embodiments of the present invention.

[0197] The following takes an example to illustrate the application scenario of the present invention. It should be noted that the solutions described in the embodiments are only examples and do not constitute a limitation to the present invention.

[0198] Example 1: The source base station requests the neighbor satellite measurement configuration according to the wave position granularity.

[0199] In the Earth-Fixed mode or Quasi-Earth-fixed mode, the wave positions are divided by the ground fixed positions. Taking 256 wave positions divided by the coverage area of each satellite as an example, as Figure 5 shown, Figure 5 is a schematic diagram of the inter-satellite wave position overlapping area. Wave positions 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224 are the overlapping coverage wave positions of two satellites.

[0200] In one implementation manner, the ground-fixed wave positions can be marked in the form of wave position numbers. In another implementation manner, the wave positions can also be marked in the form of geographical areas.

[0201] On the source satellite base station side:

[0202] Send a measurement configuration query request message to (one or more) target satellite base stations, and the message carries the wave position list of the overlapping area of two satellites. For example Figure 5 , the list includes wave positions 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224.

[0203] Receive the measurement configuration response messages corresponding to each wave position feedback by the target base station.

[0204] Broadcast the measurement configuration information by wave position through the system message, and only send the neighbor cell measurement configuration information of each wave position for each wave position.

[0205] On the target base station side:

[0206] Receive a measurement configuration query request message, and calculate whether the areas included in the list of verified wave position numbers or the list of regional geographical information are coverable. In one implementation, if the source satellite base station marks wave positions with wave position numbers, then send the list of wave position numbers to the target base station in the request message. If the source satellite base station marks wave positions in the form of geographical regions, for example, then send the list of geographical region information indicating wave positions to the target base station in the request message. In this case, the target base station side verifies whether the areas in the list of regional geographical information are coverable and gives feedback in the response message.

[0207] Combined with the current beam hopping pattern and the measurement signal configuration, the measurement configuration response message contains the SMTC configuration corresponding to each wave position / area in the list of wave position numbers / regional geographical information and / or the CSI-RS configuration available for RRM measurement. In an optional implementation, the measurement configuration response message contains the valid time and / or the geographical area to which the measurement configuration applies.

[0208] UE side:

[0209] The UE receives the system message at the current wave position, and the measurement configuration information of neighboring satellites is carried in the system message, and measurements are performed within the valid time of the measurement configuration.

[0210] Example 2: The base station broadcasts the measurement configuration of neighboring satellite cells through the system message

[0211] For non-connected UEs, the measurement configuration of neighboring satellite cells can be obtained by receiving the system message broadcast by the base station, and then the neighboring cell measurements are performed.

[0212] Source base station side:

[0213] Send a measurement configuration query request message to one or more target base stations, and carry one or more regional geographical location information in the message.

[0214] Receive the measurement configuration response message feedback by the target base station for the regional geographical location.

[0215] Broadcast the measurement configuration information through the system message. In an optional implementation, the valid time corresponding to the measurement configuration and the applicable area information are also broadcast through the system message.

[0216] Target base station side:

[0217] Receive the measurement configuration query request message, and calculate whether the areas included in the list of wave region geographical information are coverable.

[0218] Combined with the current beam hopping pattern and the current measurement signal configuration (such as the SMTC configuration or CSI-RS configuration of the serving cell of the target base station), the measurement configuration response message contains the SMTC configuration corresponding to each region in the regional geographical information list and / or the CSI-RS configuration available for RRM measurement. In an optional implementation manner, the effective time corresponding to the measurement configuration and the applicable region information are also broadcast through the system message.

[0219] UE side:

[0220] The UE receives the system message, identifies the measurement configuration information of its own region, and performs measurements within the effective time of the measurement configuration.

[0221] Example 3: The base station sends the neighbor cell measurement configuration through a dedicated message.

[0222] For a connected UE, the base station can send the UE-level neighbor cell measurement configuration information in a targeted manner.

[0223] Source base station side:

[0224] Send a measurement configuration query request message to one or more target base stations. The message carries one or more regional geographical location information, or the message can also carry a list of UE positions including specific UEs.

[0225] Receive the measurement configuration response message fed back by the target base station.

[0226] According to the geographical location information of the UE, send the measurement configuration applicable to the UE to the UE through a dedicated message (such as an RRCReconfiguration message, etc.).

[0227] Target base station side:

[0228] Receive the measurement configuration query request message. If the request message contains a list of regional geographical information, calculate and verify whether the regions included in the list of regional geographical information of the verification wave can be covered; if the request message contains a list of UE position information of specific UEs, calculate and verify whether the location regions where these UEs are located can be covered.

[0229] Combined with the current beam hopping pattern and the current measurement signal configuration, the measurement configuration response message contains the SMTC configuration corresponding to each region in the list of regional geographical information or the list of UE position information and / or the CSI-RS configuration available for RRM measurement, and in an optional implementation manner, includes the effective time and the applicable region.

[0230] UE side:

[0231] The UE receives the dedicated message and performs measurements within the effective time of the measurement configuration.

[0232] Figure 6 is a schematic structural diagram of a source satellite base station provided by an embodiment of the present application. As Figure 6 shown, the source satellite base station includes a memory 620, a transceiver 600, and a processor 610, where:

[0233] The memory 620 is used to store computer programs; the transceiver 600 is used to transmit and receive data under the control of the processor 610; the processor 610 is used to read the computer programs in the memory 620 and perform the following operations:

[0234] For example: sending a measurement configuration request message to one or more target satellite base stations, where the measurement configuration request message includes one or more regional geographical location information, and the one or more regional geographical location information is associated with one or more terminals served by the source satellite base station and / or the area where the source satellite base station overlaps with the target satellite base station;

[0235] Receiving a measurement configuration response message corresponding to the measurement configuration request message;

[0236] Determining measurement configuration information of the neighboring satellite cell based on the measurement configuration response message, and sending the measurement configuration information to the one or more terminals;

[0237] where the neighboring satellite cell is a cell served by the one or more target satellite base stations.

[0238] In some embodiments, the regional geographical location information includes one or more of the following:

[0239] Regional location information of the overlapping area between the source satellite base station and the target satellite base station;

[0240] Wave position number information of the overlapping coverage wave position between the source satellite base station and the target satellite base station; or

[0241] Terminal location information of the one or more terminals.

[0242] In some embodiments, when the measurement configuration request message includes wave position number information of the overlapping coverage wave position between the source satellite base station and the target satellite base station, the measurement configuration response message includes measurement configuration information corresponding to the wave position indicated by the wave position number information;

[0243] When the measurement configuration request message includes regional location information of the overlapping area between the source satellite base station and the target satellite base station, the measurement configuration response message includes measurement configuration information corresponding to the regional location indicated by the regional location information; and / or

[0244] In the case that the measurement configuration request message includes the terminal location information of the one or more terminals, the measurement configuration response message includes the measurement configuration information applicable to the one or more terminals.

[0245] In some embodiments, the measurement configuration information at least includes one or more of the following:

[0246] RRM measurement related configurations, including SMTC configuration and / or CSI-RS configuration.

[0247] In some embodiments, the measurement configuration information further includes:

[0248] Valid time; and / or

[0249] The geographical area to which the measurement configuration indicated by the measurement configuration information is applicable;

[0250] Wherein, the valid time includes:

[0251] The start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or

[0252] A timer related to the measurement configuration;

[0253] Wherein, the geographical area used by the measurement configuration is the same as or different from the area indicated by the area geographical location information.

[0254] In some embodiments, sending the measurement configuration request message to one or more target base stations includes:

[0255] Sending the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or

[0256] Sending the measurement configuration request message via the NG interface through the AMF.

[0257] In some embodiments, sending the measurement configuration information to the terminal includes:

[0258] Sending the measurement configuration information to the terminal through system information broadcast; and / or

[0259] Sending the measurement configuration information to the terminal through a dedicated message.

[0260] The device in the embodiment is used to implement any one of the foregoing methods, which will not be elaborated here.

[0261] Figure 7 It is a schematic structural diagram of the target satellite base station provided by the embodiments of the present application, as Figure 7 shown, the target satellite base station includes a memory 720, a transceiver 700, and a processor 710, wherein:

[0262] A memory 720 for storing a computer program; a transceiver 700 for transmitting and receiving data under the control of the processor 710; a processor 710 for reading the computer program in the memory 720 and performing the following operations:

[0263] Receiving a measurement configuration request message from one or more source satellite base stations, wherein the measurement configuration request message includes one or more regional geographical location information, and the one or more regional geographical location information is associated with one or more terminals served by the source satellite base station and / or an area where the source satellite base station overlaps with a target satellite base station;

[0264] Determining a measurement configuration response message corresponding to the measurement configuration request message based on the measurement configuration request message;

[0265] Sending the measurement configuration response message to the one or more source satellite base stations;

[0266] Wherein the neighboring satellite cell is a cell served by the target satellite base station.

[0267] In some embodiments, the regional geographical location information includes one or more of the following:

[0268] Regional location information of the overlapping area between the source satellite base station and the target satellite base station;

[0269] Wave position number information of the overlapping coverage wave positions between the source satellite base station and the target satellite base station; or

[0270] Terminal location information of the one or more terminals.

[0271] In some embodiments, when the measurement configuration request message includes the wave position number information of the overlapping coverage wave positions between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the wave position indicated by the wave position number information;

[0272] When the measurement configuration request message includes the regional location information of the overlapping area between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the regional location indicated by the regional location information; and / or

[0273] When the measurement configuration request message includes the terminal location information of the one or more terminals, the measurement configuration response message includes the measurement configuration information applicable to the one or more terminals.

[0274] In some embodiments, the method further includes:

[0275] Based on the measurement configuration request message, determine that the area location included in the area location information is covered by the target satellite base station;

[0276] Based on the beam hopping pattern and the measurement signal configuration, determine the measurement configuration information corresponding to each area location in the area location information.

[0277] In some embodiments, the measurement configuration information includes at least one or more of the following:

[0278] RRM measurement related configurations, including SMTC configuration and / or CSI-RS configuration.

[0279] In some embodiments, the measurement configuration information further includes:

[0280] Valid time; and / or

[0281] The geographical area to which the measurement configuration indicated by the measurement configuration information applies;

[0282] Wherein, the valid time includes:

[0283] The start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or

[0284] A timer related to the measurement configuration;

[0285] Wherein, the geographical area used by the measurement configuration is the same as or different from the area indicated by the area geographical location information.

[0286] In some embodiments, the receiving of the measurement configuration request message includes:

[0287] Receiving the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or

[0288] Receiving the measurement configuration request message via the NG interface through the AMF.

[0289] The device in the embodiment is used to implement any one of the foregoing methods, which will not be elaborated herein.

[0290] Figure 8 It is a schematic structural diagram of a terminal provided by an embodiment of the present application, as Figure 8 shown, the source satellite base station includes a memory 820, a transceiver 800, and a processor 810, wherein:

[0291] The memory 820 is used to store computer programs; the transceiver 800 is used to transmit and receive data under the control of the processor 810; the processor 810 is used to read the computer programs in the memory 820 and perform the following operations:

[0292] Receive the measurement configuration information of adjacent satellite cells from the source satellite base station serving the terminal;

[0293] Wherein, the adjacent satellite cells are the cells served by the one or more target satellite base stations.

[0294] In some embodiments, when the terminal is a connected terminal, receive the measurement configuration information through a system broadcast message or a dedicated message; or

[0295] When the terminal is a non-connected terminal, receive the measurement configuration information through a system broadcast message.

[0296] The device in the embodiment is used to implement any one of the foregoing methods, which will not be elaborated herein.

[0297] Figure 9 One of the structural schematic diagrams of the source satellite base station provided by the embodiment of the present application, as Figure 9 shown, the device includes:

[0298] A sending request module 910, configured to send a measurement configuration request message to one or more satellite target base stations, where the measurement configuration request message includes one or more regional geographical location information, and the one or more regional geographical location information is associated with one or more terminals served by the source satellite base station and / or the overlapping area between the source satellite base station and the target satellite base station;

[0299] A receiving response module 920, configured to receive a measurement configuration response message corresponding to the measurement configuration request message;

[0300] A sending configuration module 930, configured to determine the measurement configuration information of the adjacent satellite cells based on the measurement configuration response message, and send the measurement configuration information to the one or more terminals; wherein, the adjacent satellite cells are the cells served by the one or more target satellite base stations.

[0301] The device in the embodiment is used to implement any one of the foregoing methods, which will not be elaborated herein.

[0302] Figure 10 One of the structural schematic diagrams of the target satellite base station provided by the embodiment of the present application, as Figure 10 shown, the device includes:

[0303] A receiving request module 1010, configured to receive a measurement configuration request message from one or more source satellite base stations, where the measurement configuration request message includes one or more regional geographical location information, and the one or more regional geographical location information is associated with one or more terminals served by the source satellite base station and / or the overlapping area between the source satellite base station and the target satellite base station;

[0304] A determination response module 1020, configured to determine a measurement configuration response message based on the measurement configuration request message.

[0305] A sending response module 1030, configured to send a measurement configuration response message corresponding to the measurement configuration request message; wherein, the neighboring satellite cell is a cell served by the target satellite base station.

[0306] The device in the embodiment is used to implement any one of the foregoing methods, which will not be elaborated herein.

[0307] Figure 11 The following is a schematic structural diagram of a terminal provided in an embodiment of the present application, as Figure 11 shown, the device includes:

[0308] A receiving measurement configuration module 1110, configured to receive measurement configuration information of a neighboring satellite cell from a source satellite base station serving the terminal; wherein, the neighboring satellite cell is a cell served by the one or more target satellite base stations.

[0309] The device in the embodiment is used to implement any one of the foregoing methods, which will not be elaborated herein.

[0310] It should be noted that the division of units in the embodiments of the present application is illustrative, merely a logical function division, and there may be other division methods in actual implementation. In addition, in each embodiment of the present application, each functional unit may be integrated in a processing unit, or each unit may exist physically alone, or two or more units may be integrated in one unit. The above-mentioned integrated units may be implemented in the form of hardware or in the form of software functional units.

[0311] If the above-mentioned integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium. Based on such an understanding, the technical solution of the present application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods described in the various embodiments of the present application. The foregoing storage medium includes: various media such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disc that can store program codes.

[0312] It should be noted here that the above device provided by the embodiments of the present application can implement all the method steps implemented by the above method embodiments and can achieve the same technical effects. The same parts and beneficial effects as those in the method embodiments will not be specifically described herein again.

[0313] On the other hand, the embodiments of the present application also provide a non-transitory readable storage medium storing a computer program for causing a processor to execute the CSI feedback method or the training method of the machine learning model provided by the above embodiments.

[0314] It should be noted here that the non-transitory readable storage medium provided by the embodiments of the present application can implement all the method steps implemented by the above method embodiments and can achieve the same technical effects. The same parts and beneficial effects as those in the method embodiments will not be specifically described herein again.

[0315] The non-transitory readable storage medium may be any available medium or data storage device accessible by a computer, including but not limited to magnetic memories (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical memories (such as CDs, DVDs, BDs, HVDs, etc.), and semiconductor memories (such as ROM, EPROM, EEPROM, non-volatile memories (NANDFLASH), solid state drives (SSD)).

[0316] The technical solutions provided by the embodiments of the present application can be applied to a variety of systems, especially 5G systems or future 6G systems. For example, the applicable systems can be Global System of Mobile Communication (GSM) systems, Code Division Multiple Access (CDMA) systems, Wideband Code Division Multiple Access (WCDMA) General Packet Radio Service (GPRS) systems, Long Term Evolution (LTE) systems, LTE Frequency Division Duplex (FDD) systems, LTE Time Division Duplex (TDD) systems, Long Term Evolution Advanced (LTE-A) systems, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) systems, 5G New Radio (NR) systems, 6G systems, etc. Both terminal devices and network devices are included in these various systems. The system may also include a core network part, such as an Evolved Packet System (EPS), a 5G System (5GS), etc.

[0317] The terminal involved in the embodiments of the present application can be a device that provides voice and / or data connectivity to users, such as a handheld device with wireless connection capabilities, or other processing devices connected to a wireless modem, etc. In different systems, the name of the terminal may also be different. For example, in a 5G system, the terminal can be called a User Equipment (UE). The wireless terminal device can communicate with one or more Core Networks (CNs) via a Radio Access Network (RAN). The wireless terminal device can be a mobile terminal device, such as a mobile phone (or a "cellular" phone) and a computer with a mobile terminal device. For example, it can be a portable, pocket-sized, handheld, computer-integrated, or vehicle-mounted mobile device that exchanges voice and / or data with the wireless access network. For example, devices such as Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, and Personal Digital Assistants (PDAs). The wireless terminal device can also be referred to as a system, subscriber unit, subscriber station, mobile station, mobile, remote station, access point, remote terminal, access terminal, user terminal, user agent, user device, which is not limited in the embodiments of the present application.

[0318] The network device involved in the embodiments of the present application may be a base station, which may include multiple cells that provide services to terminals. Depending on specific application scenarios, the base station may also be referred to as an access point, or may be a device in the access network that communicates with wireless terminal devices through one or more sectors over the air interface, or other names. The network device can be used to mutually replace the received air frames and Internet Protocol (IP) packets, acting as a router between the wireless terminal device and the rest of the access network, where the rest of the access network may include an Internet Protocol (IP) communication network. The network device can also coordinate the management of the attributes of the air interface. For example, the network device involved in the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA), or may be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or may also be an evolved network device (evolutional Node B, eNB or e-NodeB) in the Long Term Evolution (LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or may be a Home evolved Node B (HeNB), a relay node, a femto, a pico, etc. The embodiments of the present application do not limit this. In some network architectures, the network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be arranged separately geographically.

[0319] The network device and the terminal can each use one or more antennas for Multi-Input Multi-Output (MIMO) transmission, and the MIMO transmission can be Single User MIMO (SU-MIMO) or Multiple User MIMO (MU-MIMO). Depending on the form and number of the combined antennas, the MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, or can also be diversity transmission, precoding transmission, beamforming transmission, etc.

[0320] Those skilled in the art should understand that the embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) that contain computer-usable program code.

[0321] The present application is described with reference to the flowcharts and / or block diagrams of methods, apparatuses (systems), and computer program products according to the embodiments of the present application. It should be understood that each flow and / or block in the flowchart and / or block diagram, as well as the combination of flows and / or blocks in the flowchart and / or block diagram, can be implemented by computer-executable instructions. These computer-executable instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to generate a machine, such that the instructions executed by the processor of the computer or other programmable data processing devices generate means for implementing the functions specified in one Figure 1 one flow or multiple flows and / or blocks Figure 1 one block or multiple blocks.

[0322] These processor-executable instructions can also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to work in a specific manner, such that the instructions stored in the processor-readable memory generate a manufactured article including instruction means that implement the functions specified in one Figure 1 one flow or multiple flows and / or blocks Figure 1 one block or multiple blocks.

[0323] These processor-executable instructions can also be loaded onto a computer or other programmable data processing device, such that a series of operation steps are executed on the computer or other programmable device to generate a computer-implemented process, and thus the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one Figure 1 one flow or multiple flows and / or blocks Figure 1 one block or multiple blocks.

[0324] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application is also intended to include these changes and modifications.

Claims

1. A method for inter-satellite measurement configuration, applied to a source satellite base station, characterized in that, it includes: Sending a measurement configuration request message to one or more target satellite base stations, wherein the measurement configuration request message includes regional geographical location information, and the regional geographical location information is associated with the overlapping area of the satellite source base station and the target satellite base station, and / or is associated with the terminal location served by the satellite source base station; Receiving a measurement configuration response message corresponding to the measurement configuration request message; Determining the measurement configuration information of the cells served by the one or more target satellite base stations based on the measurement configuration response message, and sending the measurement configuration information to the terminal.

2. The method according to claim 1, characterized in that, The regional geographical location information includes one or more of the following: Regional location information of the overlapping coverage area of the source satellite base station and the target satellite base station; Beam number information of the overlapping coverage beams of the source satellite base station and the target satellite base station; Terminal location information of at least one terminal served by the source satellite base station.

3. The method according to claim 2, characterized in that, When the measurement configuration request message includes the beam number information of the overlapping coverage beams of the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the beam indicated by the beam number information; When the measurement configuration request message includes the regional location information of the overlapping area of the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the regional location indicated by the regional location information; and / or When the measurement configuration request message includes the terminal location information of at least one terminal served by the source satellite base station, the measurement configuration response message includes the measurement configuration information applicable to the one or more terminals.

4. The method according to claim 1, characterized in that, The measurement configuration information at least includes: Radio Resource Management (RRM) measurement-related configuration, and the RRM measurement-related configuration includes Measurement Timing Configuration based on Synchronization Signal Block (SMTC) and / or Channel State Information Reference Signal (CSI-RS) configuration.

5. The method according to claim 4, characterized in that, The measurement configuration information further includes: Valid time; and / or The geographical area to which the measurement configuration indicated by the measurement configuration information applies; wherein, the valid time is identified by: The start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or A timer related to the measurement configuration; wherein, the geographical area used by the measurement configuration is the same as or different from the area indicated by the regional geographical location information.

6. The method according to claim 1, characterized in that, The sending of the measurement configuration request message to one or more target base stations includes: Sending the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or Sending the measurement configuration request message via the AMF through the NG interface.

7. The method according to any one of claims 1-6, characterized in that, Sending the measurement configuration information to the terminal includes: Send the measurement configuration information to the terminal through system information broadcast; and / or Send the measurement configuration information to the terminal through a dedicated message.

8. An inter-satellite measurement configuration method applied to a target satellite base station, characterized in that it includes: Receiving a measurement configuration request message from one or more source satellite base stations, where the measurement configuration request message includes regional geographical location information, and the regional geographical location information is associated with the overlapping area of the source satellite base station and the target satellite base station, and / or, associated with the location of the terminal served by the satellite source base station; Determining a measurement configuration response message corresponding to the measurement configuration request message based on the measurement configuration request message; Sending the measurement configuration response message to the one or more source satellite base stations.

9. The method according to claim 8, characterized in that The regional geographical location information includes one or more of the following: Regional location information of the overlapping area between the source satellite base station and the target satellite base station; Beam number information of the overlapping coverage wave position between the source satellite base station and the target satellite base station; Terminal location information of at least one terminal served by the source satellite base station.

10. The method according to claim 9, characterized in that When the measurement configuration request message includes the beam number information of the overlapping coverage wave position between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the wave position indicated by the beam number information; When the measurement configuration request message includes the regional location information of the overlapping area between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the regional location indicated by the regional location information; and / or When the measurement configuration request message includes the terminal location information of at least one terminal served by the source satellite base station, the measurement configuration response message includes the measurement configuration information applicable to the one or more terminals.

11. The method according to claim 9, characterized in that The method further includes: Determining that the regional location included in the regional location information is covered by the target satellite base station based on the measurement configuration request message; Determining the measurement configuration information corresponding to each regional location in the regional location information based on the beam hopping pattern and the measurement signal configuration.

12. The method according to claim 8, characterized in that The measurement configuration information at least includes: RRM measurement-related configuration, and the RRM measurement-related configuration includes SMTC configuration and / or CSI-RS configuration.

13. The method according to claim 12, characterized in that The measurement configuration information further includes: Valid time; and / or The geographical area to which the measurement configuration indicated by the measurement configuration information applies; wherein, the valid time is identified by: The start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or A timer related to the measurement configuration; wherein, the geographical area used by the measurement configuration is the same as or different from the area indicated by the regional geographical location information.

14. The method according to claim 8, characterized in that The received measurement configuration request message includes: Receiving the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or Receiving the measurement configuration request message via the NG interface through the AMF.

15. A source satellite base station, characterized in that it includes a memory, a transceiver, and a processor: The memory is used to store computer programs; the transceiver is used to transmit and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations: Sending a measurement configuration request message to one or more target satellite base stations, where the measurement configuration request message includes regional geographical location information, and the regional geographical location information is associated with the area where the source satellite base station and the target satellite base station overlap, and / or is associated with the terminal location served by the satellite source base station; Receiving a measurement configuration response message corresponding to the measurement configuration request message; Determining the measurement configuration information of the one or more target satellite base stations based on the measurement configuration response message, and sending the measurement configuration information to the terminal.

16. The source satellite base station according to claim 15, characterized in that The regional geographical location information includes one or more of the following: Regional location information of the overlapping area between the source satellite base station and the target satellite base station; Beam number information of the overlapping coverage beam position between the source satellite base station and the target satellite base station; Terminal location information of at least one terminal served by the source satellite base station.

17. The source satellite base station according to claim 16, characterized in that When the measurement configuration request message includes the beam number information of the overlapping coverage beam position between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the beam indicated by the beam number information; When the measurement configuration request message includes the regional location information of the overlapping area between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the regional location indicated by the regional location information; and / or When the measurement configuration request message includes the terminal location information of at least one terminal served by the source satellite base station, the measurement configuration response message includes the measurement configuration information applicable to the one or more terminals.

18. The source satellite base station according to claim 15, characterized in that The measurement configuration information at least includes: RRM measurement-related configurations, and the RRM measurement-related configurations include SMTC configurations and / or CSI-RS configurations.

19. The source satellite base station according to claim 18, characterized in that The measurement configuration information further includes: Valid time; and / or The geographical area to which the measurement configuration indicated by the measurement configuration information applies; wherein, the valid time is identified by: The start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or A timer related to the measurement configuration; wherein, the geographical area used by the measurement configuration is the same as or different from the area indicated by the regional geographical location information.

20. The source satellite base station according to claim 15, characterized in that Sending the measurement configuration request message to one or more target base stations includes: Sending the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or Sending the measurement configuration request message via the NG interface through the AMF.

21. The source satellite base station according to any one of claims 15 to 20, characterized in that Sending the measurement configuration information to the terminal includes: Sending the measurement configuration information to the terminal through system information broadcast; and / or Sending the measurement configuration information to the terminal through a dedicated message.

22. A target satellite base station, characterized in that It includes a memory, a transceiver, and a processor: The memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; The processor is used to read the computer programs in the memory and perform the following operations: Receiving a measurement configuration request message from one or more source satellite base stations, where the measurement configuration request message includes regional geographical location information, and the regional geographical location information is associated with the area where the source satellite base station and the target satellite base station overlap, and / or, associated with the location of the terminal served by the satellite source base station; Determining a measurement configuration response message corresponding to the measurement configuration request message based on the measurement configuration request message; Sending the measurement configuration response message to the one or more source satellite base stations.

23. The target satellite base station according to claim 22, characterized in that The regional geographical location information includes one or more of the following: Regional location information of the overlapping area between the source satellite base station and the target satellite base station; Beam position number information of the overlapping coverage beam positions between the source satellite base station and the target satellite base station; Terminal location information of at least one terminal served by the source satellite base station.

24. The target satellite base station according to claim 23, characterized in that In the case where the measurement configuration request message includes the beam position number information of the overlapping coverage beam positions between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the beam indicated by the beam position number information; In the case where the measurement configuration request message includes the regional location information of the overlapping area between the source satellite base station and the target satellite base station, the measurement configuration response message includes the measurement configuration information corresponding to the regional location indicated by the regional location information; and / or In the case where the measurement configuration request message includes the terminal location information of at least one terminal served by the source satellite base station, the measurement configuration response message includes the measurement configuration information applicable to the one or more terminals.

25. The target satellite base station according to claim 23, characterized in that The processor is further used to: Determine that the regional location included in the regional location information is covered by the target satellite base station based on the measurement configuration request message; Determine the measurement configuration information corresponding to each regional location in the regional location information based on the beam hopping pattern and the measurement signal configuration.

26. The target satellite base station according to claim 22, characterized in that The measurement configuration information at least includes: RRM measurement related configurations, where the RRM measurement related configurations include SMTC configurations and / or CSI-RS configurations.

27. The target satellite base station according to claim 26, characterized in that the measurement configuration information further includes: valid time; and / or the geographical area to which the measurement configuration indicated by the measurement configuration information applies; wherein, the valid time is identified by: the start time and end time when the measurement configuration indicated by the measurement configuration information becomes effective; and / or a timer associated with the measurement configuration; wherein, the geographical area used by the measurement configuration is the same as or different from the area indicated by the area geographical location information.

28. The target satellite base station according to claim 22, characterized in that the received measurement configuration request message includes: receiving the measurement configuration request message through the Xn interface between the source satellite base station and the target satellite base station; or receiving the measurement configuration request message via the NG interface through the AMF.

29. A source satellite base station, characterized in that it includes: a sending request module, configured to send a measurement configuration request message to one or more target satellite base stations, where the measurement configuration request message includes area geographical location information, the area geographical location information is associated with the area overlapping between the source satellite base station and the target satellite base station, and / or, is associated with the location of the terminal served by the satellite source base station; a receiving response module, configured to receive a measurement configuration response message corresponding to the measurement configuration request message; a sending configuration module, configured to determine the measurement configuration information of the cells served by the one or more target satellite base stations based on the measurement configuration response message, and send the measurement configuration information to the terminal.

30. A target satellite base station, characterized in that it includes: a receiving request module, configured to receive a measurement configuration request message from one or more source satellite base stations, where the measurement configuration request message includes area geographical location information, the area geographical location information is associated with the area overlapping between the source satellite base station and the target satellite base station, and / or, is associated with the location of the terminal served by the satellite source base station; a determining response module, configured to determine a measurement configuration response message based on the measurement configuration request message; a sending response module, configured to send the measurement configuration response message to the one or more source satellite base stations.

31. A non-transitory readable storage medium, characterized in that the non-transitory readable storage medium stores a computer program, and the computer program is used to cause a processor to execute the inter-satellite measurement configuration method according to any one of claims 1 to 7, 8 to 14.

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