Information determination method, communication node, system and storage medium

Abstract

Provided in the present application are an information determination method, a communication node, a system and a storage medium. The method comprises: determining X synchronization signal groups, wherein the X synchronization signal groups comprise at least one first-type synchronization signal group, the first-type synchronization signal group comprises at least two synchronization signals, and X is a positive integer greater than or equal to 1; determining Y target synchronization signal groups from among the X synchronization signal groups, wherein Y is a positive integer less than or equal to X; and determining information on the basis of the Y target synchronization signal groups, wherein the information comprises at least one of the following: information of a target signal, and control signaling information.

Description

Information determination methods, communication nodes, systems, and storage media Technical Field

[0001] This application relates to the field of wireless communication technology, such as an information determination method, communication node, system, and storage medium. Background Technology

[0002] In existing communication systems, a terminal selects a synchronization signal within a cell, obtains an access signal resource pool based on the selected synchronization signal, chooses an access signal resource from the pool, and transmits an access signal on that resource. One access signal resource pool corresponds to one synchronization signal within a cell. After receiving the access signal from the terminal, the access point (AP) only knows that the terminal is within the coverage area of ​​the selected synchronization signal, but it does not know the reception performance of other synchronization signals. This prevents the base station from acquiring more information in a timely manner during the initial access phase, resulting in the inability to use better spatial transmission beams and poor inter-cell interference management, leading to frequent cell handovers and low spectral efficiency during the initial access phase. Furthermore, current technologies configure parameters at the cell or synchronization signal level, making parameter adjustments for users at the cell edge cumbersome and delayed. This problem becomes increasingly prominent as cells become denser. In multi-node scenarios, how to obtain uplink access signal resources based on the synchronization signals of multiple nodes, the management and configuration of parameters in multiple node systems, the management and configuration of system messages, and the division and management of areas have become urgent problems to be solved. Summary of the Invention

[0003] This application provides an information determination method, a communication node, a system, and a storage medium.

[0004] This application provides an information determination method applied to a first communication node, the method comprising:

[0005] X synchronization signal groups are determined, wherein the X synchronization signal groups include at least one first type of synchronization signal group, and the first type of synchronization signal group includes at least two synchronization signals, and X is a positive integer greater than or equal to 1;

[0006] Y target synchronization signal groups are determined from the X synchronization signal groups, where Y is a positive integer less than or equal to X;

[0007] The information is determined based on the Y target synchronization signal groups, and the information includes at least one of the following: target signal information, control signaling information.

[0008] This application also provides an information determination method, applied to a second communication node, including:

[0009] Send at least one synchronization signal;

[0010] A groups of synchronization signals are determined, each of the A groups of synchronization signals including one or more of the at least one synchronization signal, where A is a positive integer greater than or equal to 1;

[0011] The information is determined based on the A groups of synchronization signals, and the information includes at least one of the following: information about the target signal, and control signaling information.

[0012] This application also provides a first communication node, including: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the above-described information determination method.

[0013] This application also provides a second communication node, including: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the information determination method described above.

[0014] This application also provides an information determination system, including: the first communication node described above, and at least one second communication node.

[0015] This application also provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the information determination method described above.

[0016] The technical solution of this application reduces the load on synchronization signals in multi-node systems, ensuring the stability and accuracy of terminal measurement synchronization signals while improving the flexibility of area management. It allows for more flexible parameter management, enabling earlier differentiation between central and edge users, achieving cell gain while reducing interference to edge users and improving their performance. Furthermore, in multi-node systems, nodes are activated on demand, reducing the processing complexity of each node. Attached Figure Description

[0017] Figure 1 is a schematic diagram of a multi-node synchronization signal transmission embodiment, where each synchronization signal corresponds to a PRACH resource pool.

[0018] Figure 2 is a flowchart of an information determination method provided in an embodiment;

[0019] Figure 3 is a flowchart of another information determination method provided in one embodiment;

[0020] Figure 4 is a schematic diagram of an embodiment of determining a synchronization signal group, wherein each synchronization signal group corresponds to a PRACH resource pool;

[0021] Figure 5 is a schematic diagram of a multi-node synchronization signal transmission system provided in an embodiment, in which each synchronization signal group corresponds to a user area;

[0022] Figure 6 is a schematic diagram of a multi-node synchronization signal transmission system provided in one embodiment, in which each synchronization signal group corresponds to a user's area;

[0023] Figure 7 is a schematic diagram illustrating the correspondence between various types of information and various synchronization signal levels according to an embodiment;

[0024] Figure 8 is a schematic diagram of the correspondence between various types of information and various synchronization signal levels provided in one embodiment;

[0025] Figure 9 is a schematic diagram of the correspondence between various types of information and various synchronization signal levels provided in one embodiment;

[0026] Figure 10 is a schematic diagram of the correspondence between various types of information and various synchronization signal levels provided in one embodiment;

[0027] Figure 11 is a schematic diagram of the correspondence between various types of information and various synchronization signal levels provided in one embodiment;

[0028] Figure 12 is a schematic diagram of a region division and distance layer provided in an embodiment;

[0029] Figure 13 is a schematic diagram of another region division and distance layer provided in one embodiment;

[0030] Figure 14 is a schematic diagram of a near-field distance layer provided in an embodiment;

[0031] Figure 15 is a schematic diagram of the correspondence between a set of synchronization signal groups and the fifth type of information provided in an embodiment;

[0032] Figure 16 is a schematic diagram of the correspondence between a synchronization signal and a sixth type of information provided in an embodiment;

[0033] Figure 17 is a schematic diagram of the correspondence between another synchronization signal and the sixth type of information provided in one embodiment;

[0034] Figure 18 is a schematic diagram of an information determination device according to an embodiment;

[0035] Figure 19 is a schematic diagram of another information determination device provided in one embodiment;

[0036] Figure 20 is a schematic diagram of the hardware structure of a first communication node according to an embodiment;

[0037] Figure 21 is a schematic diagram of the hardware structure of a second communication node according to an embodiment;

[0038] Figure 22 is a schematic diagram of the structure of an information determination system provided in one embodiment. Detailed Implementation

[0039] The present application will now be described in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the application and not intended to limit it. It should be noted that, unless otherwise specified, the embodiments and features described herein can be arbitrarily combined with each other. Furthermore, it should be noted that, for ease of description, only the parts relevant to the present application are shown in the accompanying drawings, not the entire structure.

[0040] Figure 1 is a schematic diagram of a multi-node synchronization signal transmission scheme, where each synchronization signal corresponds to a PRACH resource pool, according to an embodiment. As shown in Figure 1, each Access Point (AP) corresponds to a cell. Each cell transmits synchronization signals using different transmission beams on two time-division synchronization signal resources. Each synchronization signal in each cell corresponds to an access signal resource pool. The terminal selects a synchronization signal based on its reception performance, determines the access signal resource pool based on the selected synchronization signal, selects an access signal resource from the access signal resource pool, and transmits the access signal on the selected access signal resource. After receiving the access signal transmitted by the terminal, the access point only knows that the terminal is located within the coverage area of ​​the selected synchronization signal, but does not know its reception performance on other synchronization signals. For example, if the terminal selects SS0 of AP0, the base station, after receiving the access signal, only knows that the terminal is under the coverage of beam 11, but does not know other information. This prevents the base station from acquiring more information in a timely manner during the initial access phase, resulting in the inability to use better spatial transmission beams for communication with the terminal during the initial access phase. Interference between cells cannot be well managed, and cell handover is frequent, leading to low spectral efficiency during the initial access phase. In Figure 1, the synchronization signals of different APs can be distinguished by code division. For example, the synchronization signals (Synchronization Signal, SS) of the same index of different APs correspond to different sequences. Of course, it is also possible that the synchronization signals of different APs can be distinguished by time division or frequency division.

[0041] Figure 2 is a flowchart of an information determination method provided in one embodiment. This method can be applied to a first communication node, which can be a user-side equipment (UE). As shown in Figure 2, the method provided in this embodiment includes:

[0042] In step 110, X synchronization signal groups are determined, wherein the X synchronization signal groups include at least one first type of synchronization signal group, and the first type of synchronization signal group includes at least two synchronization signals, and X is a positive integer greater than or equal to 1.

[0043] In step 120, Y target synchronization signal groups are determined from the X synchronization signal groups, where Y is a positive integer less than or equal to X.

[0044] In step 130, information is determined based on the Y target synchronization signal groups, the information including at least one of the following: target signal information, control signaling information.

[0045] In one embodiment, determining Y target synchronization signal groups from the X synchronization signal groups includes:

[0046] Based on the measurement results of the synchronization signals and the setting information, the Y target synchronization signal groups are determined from the X synchronization signal groups;

[0047] The configuration information includes at least one of the following: predetermined rules, predetermined features, the number of synchronization signals included in the synchronization signal group, and received signaling information.

[0048] In one embodiment, the signaling information includes at least one of the following signaling types: common control signaling, broadcast signaling, and control signaling as an access signal response signaling. Here, the information base station and terminal agree on the information required to determine the Y target synchronization signals.

[0049] In one embodiment, when X equals 1 or Y = X, the Y target synchronization signal groups are the X synchronization signal groups. That is, the Y target synchronization signal groups are determined from the X synchronization signal groups, and this step can be omitted.

[0050] In one embodiment, the predetermined feature is a feature satisfied by the measurement results of the synchronization signals in the target synchronization signal group.

[0051] In one embodiment, the predetermined rule includes at least one of the following:

[0052] Each of the Y target synchronization signal groups satisfies the predetermined characteristics;

[0053] If none of the X synchronization signal groups satisfy the predetermined characteristics, Y synchronization signal groups are randomly selected from the X synchronization signal groups as target synchronization signal groups.

[0054] If more than Y synchronization signal groups satisfy the predetermined characteristics, Y synchronization signal groups are determined from the synchronization signal groups that satisfy the predetermined characteristics according to the number of synchronization signals included in the synchronization signal groups.

[0055] When the predetermined features include at least two predetermined features, a synchronization signal group that satisfies one of the predetermined features is determined from X synchronization signal groups. When the number of determined synchronization signal groups is greater than Y, a synchronization signal group that satisfies another predetermined feature is determined from the determined synchronization signal groups, and so on, until the number of determined synchronization signal groups is Y, and Y synchronization signal groups are obtained as the Y target synchronization signal groups.

[0056] In one embodiment, the predetermined feature includes at least one of the following:

[0057] The measurement result of each synchronization signal in the synchronization signal group is greater than a first predetermined value;

[0058] The difference between the measurement results of different synchronization signals in the synchronization signal group is less than the second predetermined value;

[0059] The sum of the measurement results of the synchronization signals in the synchronization signal group is greater than the third predetermined value;

[0060] The measurement results of all synchronization signals in the synchronization signal group satisfy the predetermined characteristics, wherein the predetermined characteristics include the characteristics satisfied by the combination of the measurement results of all synchronization signals.

[0061] In one embodiment, determining information based on the Y target synchronization signal groups includes: determining the information based on at least one of the following:

[0062] The Y target synchronization signal groups, the types of the Y target synchronization signal groups, the set of synchronization signals in the Y target synchronization signal groups, and the set of synchronization signal groups corresponding to the Y target synchronization signal groups.

[0063] In one embodiment, the information includes a first type of information;

[0064] The different synchronization signal groups in the X synchronization signal groups each correspond to a set of values ​​for the first type of information.

[0065] In one embodiment, the information includes a second type of information;

[0066] The different types of synchronization signal groups in the X synchronization signal groups each correspond to a set of values ​​for the second type of information.

[0067] In one embodiment, the method further includes:

[0068] The type of the synchronization signal group is determined according to at least one of the following: the number of synchronization signals included in the synchronization signal group, and the number of synchronization signal subgroups included in the synchronization signal group;

[0069] The type of the synchronization signal group includes at least one of the following: a first type of synchronization signal group, a second type of synchronization signal group, wherein the second type of synchronization signal group includes 1 synchronization signal.

[0070] In one embodiment, the synchronization signals in the X synchronization signal groups belong to Z synchronization signal sets, and each of the Z synchronization signal sets includes at least one synchronization signal; Z is a positive integer greater than or equal to 1, and each of the Z synchronization signal sets includes a synchronization signal from one or more of the X synchronization signal groups.

[0071] In one embodiment, each of the Z sets of synchronization signals corresponds to a set of values ​​for the third type of information.

[0072] In one embodiment, the method further includes: determining at least one set of synchronization signals in the Y target synchronization signal groups, wherein the information includes a third type of information corresponding to the determined at least one set of synchronization signals.

[0073] In one embodiment, when the first type of synchronization signal group is included in the Y target signal groups, the third type of information corresponding to the first type of synchronization signal group in the Y target synchronization signal groups is a set of values ​​of the third type of information corresponding to the first type of synchronization signal group. The information includes a set of values ​​of the third type of information corresponding to the first type of synchronization signal group, wherein the first type of synchronization signal group of the Z synchronization signal sets and the X synchronization signal groups respectively correspond to a set of values ​​of the third type of information.

[0074] In one embodiment, when the Y target signal groups include a second type of synchronization signal group, the third type of information corresponding to the second type of synchronization signal group in the Y target synchronization signal groups is a set of values ​​of the third type of information corresponding to the synchronization signal set in the second type of synchronization signal group. The information includes a set of values ​​of the third type of information corresponding to the synchronization signal set. The first type of synchronization signal group of the Z synchronization signal sets and the X synchronization signal groups respectively correspond to a set of values ​​of the third type of information. The second type of synchronization signal group includes only one synchronization signal.

[0075] In one embodiment, different synchronization signals in a first type of synchronization signal group belong to different synchronization signal sets in the Z sets of synchronization signals.

[0076] In one embodiment, X groups of synchronization signals correspond to the same fourth type of information.

[0077] In one embodiment, the information includes the fourth type of information;

[0078] The fourth type of information includes at least one of the following: frequency domain bandwidth index, logical cell index, and configuration unit index.

[0079] In one embodiment, the X synchronization signal groups belong to at least one set of synchronization signal groups; wherein each of the at least one set of synchronization signal groups corresponds to a set of values ​​for the fifth type of information.

[0080] In one embodiment, the method further includes: determining a set of synchronization signal groups corresponding to the Y target synchronization signal groups; the information includes a fifth type of information corresponding to the determined set of synchronization signal groups.

[0081] In one embodiment, the target signal includes at least one of an uplink signal and a downlink signal;

[0082] The uplink signal includes at least one of the following: uplink access signal, uplink resource request signal, uplink control channel signal, uplink data channel signal, uplink measurement reference signal, and uplink reference signal;

[0083] The downlink signal includes at least one of the following: downlink synchronization signal, downlink control channel signal, downlink measurement reference signal, downlink reference signal, common downlink signal, downlink data channel signal, downlink common control channel signal, and downlink common data channel signal.

[0084] In one embodiment, the method further includes:

[0085] The target signal is transmitted according to the information and the second communication node, and the transmission includes at least one of the following: sending and receiving.

[0086] In one embodiment, the method further includes:

[0087] Based on the determined information, perform at least one of the following operations: receive the target signal, send the target signal, update the message, initiate a process, and detect the control channel.

[0088] In one embodiment, at least two of the X synchronization signal groups are included, and the synchronization signals included in the at least two synchronization signal groups are the same, but the parameters of the synchronization signals are different.

[0089] In one embodiment, the parameters of the synchronization signal include the reception parameters of the synchronization signal.

[0090] In one embodiment, the method further includes:

[0091] Determine P synchronization signals, wherein the synchronization signal in each of the X synchronization signal groups is a synchronization signal among the P synchronization signals;

[0092] The P synchronization signals satisfy at least one of the following characteristics:

[0093] Each of the P synchronization signals corresponds to a set of values ​​in the sixth type of information, which includes the detection position of the common control channel.

[0094] Among the P synchronization signals, at least one synchronization signal exists, and the at least one synchronization signal belongs to at least two of the X synchronization signal groups.

[0095] In one embodiment, the P synchronization signals satisfy at least one of the following:

[0096] The at least two synchronization signal groups include the first type of synchronization signal group and the second type of synchronization signal group, and the second type of synchronization signal group includes only one synchronization signal;

[0097] The common control channel is detected at the detection location of the common control channel. The common control channel includes indication information of at least one of the P synchronization signals corresponding to the common data channel scheduled by the common control channel. The at least one synchronization signal and the demodulation reference signal port of the common data channel satisfy a quasi-co-address relationship.

[0098] The common control signal is detected at the detection location of the common control channel, and the information of the X synchronization signal groups is determined based on the detected common control channel.

[0099] In one embodiment, determining X groups of synchronization signals includes:

[0100] The X synchronization signal groups are determined based on at least one of the following information: sequence information of the synchronization signals, time-domain resources where the synchronization signals are located, frequency-domain resources where the synchronization signals are located, subcarrier spacing of the synchronization signals, and control signaling received from the second communication node. In one embodiment, the control signaling may be common control signaling.

[0101] Figure 3 is a flowchart of an information determination method provided in one embodiment. This method can be applied to a second communication node, which can be a network-side node, such as an Access Point (AP). It should be noted that there can be one or more APs in the communication system, forming an AP set. Each AP in the AP set can execute the information determination method provided in this embodiment. As shown in Figure 3, the method provided in this embodiment includes:

[0102] In step 210, at least one synchronization signal is sent.

[0103] In step 220, A synchronization signal groups are determined, each of the A synchronization signal groups including one or more of the at least one synchronization signal, where A is a positive integer greater than or equal to 1.

[0104] In step 230, information is determined based on the A groups of synchronization signals, the information including at least one of the following: information of the target signal, control signaling information.

[0105] It should be noted that there are X synchronization signal groups determined by each AP in the AP set. Among the X synchronization signal groups, there is at least one first-type synchronization signal group. The first-type synchronization signal group includes at least two synchronization signals. X is a positive integer greater than or equal to 1.

[0106] In one embodiment, the method further includes:

[0107] The target signal from the first communication node is detected, and the information of the target signal is determined based on Y target synchronization signal groups out of the A synchronization signal groups, where Y is a positive integer less than or equal to A.

[0108] In one embodiment, the method further includes at least one of the following:

[0109] The target signal is transmitted according to the determined information and the first communication node;

[0110] The control signaling information is sent to the first communication node based on the determined information.

[0111] In one embodiment, the A synchronization signal groups correspond to A Physical Random Access Channel (PRACH) resource pools; the method further includes:

[0112] Detect PRACH signals in each of the A PRACH resource pools.

[0113] In one embodiment, determining information based on the A groups of synchronization signals includes:

[0114] The information is determined based on at least one of the following: the A synchronization signal groups, the type of the A synchronization signal groups, the set of synchronization signals in the A synchronization signal groups, and the set of synchronization signal groups corresponding to the A synchronization signal groups.

[0115] In one embodiment, the A groups of synchronization signals satisfy at least one of the following:

[0116] The A sets of synchronization signal groups correspond to the A sets of values ​​for the first type of information;

[0117] The types of asynchronous signal groups in the A synchronization signal groups each correspond to a set of values ​​for the second type of information;

[0118] Z1 sets of the synchronization signals correspond to Z1 sets of third-class information, wherein the synchronization signals in the A sets of synchronization signals belong to the Z1 sets of synchronization signals, and each of the Z1 sets of synchronization signals includes the synchronization signals in one or more sets of synchronization signals.

[0119] In one embodiment, the at least one synchronization signal belongs to P synchronization signals;

[0120] The P synchronization signals belong to X synchronization signal groups, and the X synchronization signal groups include at least one first type synchronization signal group. The first type synchronization signal group includes at least two synchronization signals. The A synchronization signal groups are A synchronization signal groups among the X synchronization signal groups, where X is a positive integer greater than or equal to 1.

[0121] In one embodiment, the X groups of synchronization signals correspond to the same fourth type of information.

[0122] In one embodiment, the method further includes:

[0123] Determine the set of synchronization signal groups corresponding to the A synchronization signal groups;

[0124] The information includes a fifth type of information corresponding to the determined set of synchronization signal groups.

[0125] In one embodiment, the P synchronization signals satisfy at least one of the following:

[0126] Each of the P synchronization signals corresponds to a set of values ​​in the sixth type of information, which includes the detection position of the common control channel.

[0127] Among the P synchronization signals, at least one synchronization signal exists, and the at least one synchronization signal belongs to at least two of the X synchronization signal groups.

[0128] In one embodiment, there are multiple second communication nodes; each of the P synchronization signals is sent by some or all of the multiple second communication nodes.

[0129] Each of the multiple second communication nodes is determined to correspond to at least one synchronization signal and A groups of synchronization signals, wherein the value of A corresponding to different second communication nodes may be the same or different.

[0130] The following examples illustrate the information determination method of this application.

[0131] In one embodiment, a first communication node (hereinafter, a terminal is used as an example) determines X synchronization signal groups, and within these X synchronization signal groups, determines Y target synchronization signal groups. The determined target synchronization signal group determination information includes one of the following: parameter information of the target signal, or control signaling information. Wherein, X is a positive integer greater than or equal to 1. Y is a positive integer less than or equal to X. The X synchronization signal groups include at least one first-type synchronization signal group, and each first-type synchronization signal group includes at least two synchronization signals. As an example, Y=1.

[0132] In one example, the terminal determines Y target synchronization signal groups from the X synchronization signal groups based on the measurement results of the synchronization signals and at least one of the following: predetermined rules, predetermined characteristics, and the number of synchronization signals included in the synchronization signal groups.

[0133] In one example, the predetermined feature is a feature satisfied by the measurement results of the synchronization signals in the target synchronization signal group.

[0134] In one example, the predefined rules include at least one of the following:

[0135] Rule 1: Each of the Y target synchronization signal groups satisfies the predetermined characteristics;

[0136] Rule 2: If none of the X synchronization signal groups satisfy the predetermined characteristics, Y synchronization signal groups shall be randomly selected from the X synchronization signal groups as target synchronization signal groups.

[0137] Rule 3: If more than Y synchronization signal groups satisfy the predetermined characteristics, the Y synchronization signal groups are determined as target synchronization signal groups according to the number of synchronization signals included in each synchronization signal group. For example, synchronization signal groups that include more synchronization signals are preferentially selected.

[0138] Rule 4: The predetermined features include multiple predetermined features, such as a first predetermined feature and a second predetermined feature. From X groups of synchronization signals, a synchronization signal group is determined based on the first predetermined feature. If the number of determined synchronization signal groups is greater than the Y value, a synchronization signal group is then selected from the determined synchronization signal groups based on the second predetermined feature. This process can be repeated when more than two predetermined features are involved. For example, the first predetermined feature is that the measurement result of each synchronization signal in the synchronization signal group is greater than a first predetermined value. Based on the first predetermined feature, more than Y synchronization signal groups satisfy the first predetermined feature. Then, based on the second predetermined feature, Y target synchronization signal groups are selected from the more than Y obtained synchronization signal groups, prioritizing those with the largest number of synchronization signals.

[0139] In one example, the predetermined feature includes at least one of the following:

[0140] The measurement result of each synchronization signal in the synchronization signal group is greater than a first predetermined value;

[0141] The difference between the measurement results of different synchronization signals in the synchronization signal group is less than a second predetermined value;

[0142] The sum of the measurement results of the synchronization signals in the synchronization signal group is greater than a third predetermined value;

[0143] The measurement results obtained based on all synchronization signals in the synchronization signal group meet predetermined characteristics.

[0144] In one example, the first predetermined value and the third predetermined value are the same value. In another example, the first predetermined value and the third predetermined value are different values. Measurement results obtained based on all synchronization signals in the synchronization signal group satisfying predetermined characteristics indicate that a channel is obtained based on the synchronization signals in the synchronization signal group. This channel is the number of receiving antennas multiplied by the number of synchronization signals, where the number of synchronization signals is the number of synchronization signals included in this synchronization signal group. The measurement result obtained based on this channel is the measurement result obtained based on all synchronization signals in the synchronization signal group; that is, different synchronization signals in the synchronization signal group are considered as different measurement reference signal ports of the base station. And / or measurement results obtained based on all synchronization signals in the synchronization signal group satisfying predetermined characteristics indicate that: a measurement result is obtained based on each synchronization signal in the synchronization signal group, multiple synchronization signals in the synchronization signal group correspond to multiple measurement results, and the multiple measurement results satisfy predetermined characteristics, such as the distribution of the multiple measurement results satisfying predetermined characteristics, or the combination of multiple measurement results satisfying predetermined characteristics.

[0145] In one example, the measurement result of the synchronization signal includes at least one of the following: (Reference Signal Receiving Power), Signal-to-Interference-plus-Noise Ratio (SINR), and large-scale channel parameters. The large-scale channel parameters include at least one of the following: Doppler shift, Doppler spread, Average Delay, and Delay Spread. When the measurement result is Doppler spread, the synchronization signal group with the smallest corresponding Doppler spread is preferentially selected, so that when the base station subsequently uses the spatial beam combination corresponding to the synchronization signals in this synchronization signal group to transmit signals to the terminal, the channel changes slowly in the time domain. When the measurement result is delay spread, the synchronization signal group with the smallest corresponding delay spread is preferentially selected, so that when the base station subsequently uses the spatial beam combination corresponding to the synchronization signals in this synchronization signal group to transmit signals to the terminal, the channel changes slowly in the frequency domain.

[0146] In one example, determining the information based on the target synchronization signal group includes determining the information based on at least one of the following: the target synchronization signal group, the type of the target synchronization signal group, and the set of synchronization signals to which the synchronization signals in the synchronization signal group belong. The information includes at least one of a first type of information, a second type of information, a third type of information, a fourth type of information, and a fifth type of information. Different synchronization signal groups among the X synchronization signal groups each correspond to a set of values ​​for the first type of information. Preferably, different synchronization signal groups among the X synchronization signal groups correspond to different values ​​for the first type of information. Different types of synchronization signal groups each correspond to a set of values ​​for the second type of information; preferably, the values ​​for the second type of information corresponding to the different types of synchronization signal groups are different. Alternatively, the synchronization signal set and the synchronization signal group set can be considered as different types of synchronization signal groups, for example, the type of a synchronization signal group can be determined based on at least one of the following: the number of synchronization signals included in the synchronization signal group, the number of subgroups included in the synchronization signal group, and the number of sequences corresponding to the synchronization signals included in the synchronization signal group.

[0147] In one example, the type of synchronization signal group is determined by the number of synchronization signals it contains. For instance, a synchronization signal group containing more than one synchronization signal is classified as a first-type synchronization signal group, and a synchronization signal group containing one synchronization signal is classified as a second-type synchronization signal group. Alternatively, the first-type synchronization signal group can be further divided into multiple subtypes. For example, a synchronization signal group containing two synchronization signals is classified as a first-type synchronization signal group (also known as the first subclass of the first type), a synchronization signal group containing one synchronization signal is classified as a second-type synchronization signal group, and a synchronization signal group containing more than two synchronization signals is classified as a third-type synchronization signal group (also known as the second subclass of the first type). Synchronization signal groups of the same type correspond to the same value of the second-type information. In one example, the same synchronization signal group corresponds to the same first-type information.

[0148] In one example, the X synchronization signal groups belong to Z synchronization signal sets, where each synchronization signal set includes one or more synchronization signals. The synchronization signals in a synchronization signal group can originate from different synchronization signal sets within the Z synchronization signal sets. Preferably, the synchronization signals in a synchronization signal set are transmitted by the same transmitting node, and / or the synchronization signals in a synchronization signal set correspond to at least one of the following: code domain index, frequency domain resource index, and time domain resource index. Z is a positive integer greater than or equal to 1. A synchronization signal set includes synchronization signals from one or more synchronization signal groups.

[0149] In one example, determining the information based on the target signal group includes: determining the third type of information based on the set of synchronization signals to which the target signal group belongs. Further, when the target signal group belongs to a predetermined type, the third type of information is determined based on the set of synchronization signals to which the target signal group belongs. When the target signal group does not belong to a predetermined type, the third type of information is determined based on the target signal group.

[0150] In one example, the number of synchronization signals included in the X synchronization signal groups can vary. For instance, some synchronization signal groups may contain only one synchronization signal, some may contain two synchronization signals, and some may contain three synchronization signals. For example, the X synchronization signal groups may include a first synchronization signal group to a third synchronization signal group, where the first synchronization signal group contains one synchronization signal, the second synchronization signal group contains two synchronization signals, and the third synchronization signal group contains three synchronization signals. At least one synchronization signal group of type 1 exists among the X synchronization signal groups. This first type of synchronization signal group includes synchronization signal groups with more than one synchronization signal, such as the second and third synchronization signal groups mentioned above. The X synchronization signal groups may or may not include second type synchronization signal groups, where each second type synchronization signal group contains only one synchronization signal. For example, the three synchronization signal groups mentioned above include a second type synchronization signal group: the first synchronization signal group.

[0151] In one example, the X synchronization signal groups correspond to the same fourth type of information, such as at least one of the following: logical cell index, a serving cell index, a cell group index, a serving cell group index, a PCI (Physical Cell Identifier), a PCI group, a broadcast message, a frequency domain bandwidth index, and a configuration unit index. In one example, the same synchronization signal may belong to more than one synchronization signal group. In one example, the number of synchronization signal groups to which the same synchronization signal can belong is less than a predetermined value, that is, there is a maximum value for the number of synchronization signal groups to which the same synchronization signal can belong. This maximum value can be reported by the terminal to the base station, or the base station can notify the terminal. For example, the X synchronization signal groups are located in one frequency domain bandwidth. The configuration unit index represents different configuration values ​​of the same parameter set configured for each configuration unit index; that is, the configuration unit index is a configuration index of a parameter set of the same type, preferably each configuration unit index corresponds to a frequency domain resource. Alternatively, each configuration unit index may correspond to a set of spatial domain resources, or each configuration unit index may correspond to a combination of spatial domain resources and frequency domain resources. For example, at least one of the spatial domain resources and frequency domain resources corresponding to different configuration units may be different.

[0152] In one example, different synchronization signals are distinguished by at least one of the following: the time-domain resources where the synchronization signal resides, the frequency-domain resources where the synchronization signal resides, the code-domain resources of the synchronization signal, and the spatial-domain resources of the synchronization signal. Two synchronization signals correspond to two groups (the time-domain resources where the synchronization signal resides, the frequency-domain resources where the synchronization signal resides, the code-domain resources of the synchronization signal, and the spatial-domain resources of the synchronization signal), each group including the above four resources. At least one of the four resources in the two groups corresponding to the two synchronization signals is different. That is, different synchronization signals correspond to at least one different resource among the above four resources.

[0153] In one example, the target signal includes one or more of uplink and downlink signals. For instance, the uplink signal includes at least one of the following: uplink access signal, uplink resource request signal, uplink control channel signal, uplink data channel signal, uplink measurement reference signal, and uplink reference signal. The downlink signal includes at least one of the following: downlink synchronization signal, downlink control channel signal, downlink measurement reference signal, downlink reference signal, common downlink signal, downlink data channel signal, downlink common control channel signal, and downlink common data channel signal.

[0154] In one example, the terminal transmits the target signal to the base station based on the parameters of the determined target signal (i.e., the information of the target signal, where parameters are the information). The transmission includes at least one of the following: sending and receiving. For example, when the target signal is an uplink signal, the parameters of the target signal include at least one of the following: at least one of the time-frequency code resources for sending the uplink signal, the transmit beam for sending the uplink signal, and the power parameters for sending the uplink signal. When the target signal is a downlink signal, the parameters of the target signal include at least one of the following: at least one of the time-frequency resource codes for receiving the downlink signal, or a quasi-co-address reference signal for the downlink signal. When the target signal is a downlink control channel, the parameters of the target signal include at least one of the following: at least one of the detection time-frequency code resources for detecting the downlink control channel, or a quasi-co-address reference signal for the downlink control channel. When the parameters of the target signal include at least one of the time-frequency code resources of the target signal, the parameters include rate matching parameters, thereby enabling the terminal to determine the synchronization signal and PRACH signal for rate matching based on the region where the terminal is located.

[0155] Figure 4 is a schematic diagram of an embodiment in which synchronization signal groups are determined and each synchronization signal group corresponds to a PRACH resource pool. As shown in Figure 4, when the terminal is located in region 5, the terminal determines synchronization signal group 5, and then determines the PRACH resource 5 corresponding to synchronization signal group 5. When determining the rate matching information of the target signal based on the synchronization signal group, when the terminal sends and receives the target signal, it only considers that at least one of the frequency domain resources and time domain resources occupied by the synchronization signal in synchronization signal group 5 cannot be occupied by the target signal. The target signal can occupy the synchronization signals in other synchronization signal groups for rate matching. Similarly, rate matching is only performed on the resources in PRACH resource 5, and rate matching is not performed on the PRACH in other PRACH resource pools. For example, the target signal can only not occupy the resources in PRACH resource 5, but can occupy the resources in other PRACH resource pools.

[0156] In one example, the terminal performs corresponding operations based on determined control signaling information. These operations include at least one of the following: receiving a signal, sending a signal, updating a first-type message, initiating a process, such as initiating a cell handover process, and detecting a control channel. The control signaling information includes messages, which include at least one of the following: broadcast messages, system messages, and group messages. For example, messages corresponding to different areas may be different, or some messages corresponding to different areas may have the same content, but differ in at least one of the detection time-frequency code spatial resources. Here, a message can also be referred to as control signaling. The control signaling can also be control signaling that configures at least one of the following parameters: transmission parameters for synchronization signals, and PRACH parameters. For example, for each synchronization signal group (and / or each synchronization signal set), the transmission power of the synchronization signal is determined separately; the transmission power of the synchronization signals for different synchronization signal groups (and / or different synchronization signal sets) can be determined separately. Similarly, the PRACH parameters are determined separately for each synchronization signal group (and / or each synchronization signal set); the PRACH parameters for different synchronization signal groups (or different synchronization signal sets) can be determined separately. For example, the parameters of PRACH include the number of PRACH resources included in the PRACH resource pool. The number of users covered in different regions may be different, so different numbers of PRACH resources can be configured for different regions.

[0157] Specifically, as shown in Figure 4, there are three access points (APs), each sending two synchronization signals. These two synchronization signals correspond to different transmission beams, covering different areas. For example, the j-th synchronization signal of APi is denoted as SSij, where i=1, 2, 3, j=1, 2. A new area is formed in the region where the transmission beams of two different APs overlap. This area corresponds to the two synchronization signals from these two APs. For example, synchronization signal group 5 includes SS11 from AP1 and SS21 from AP2, corresponding to the overlapping area of ​​these two beams. Synchronization signal group 6 includes SS22 from AP2 and SS31 from AP3, also corresponding to the overlapping area of ​​these two beams. Different synchronization signal groups can correspond to different types of information, such as different access signal resource pools (PRACH resource pools).

[0158] Figure 5 is a schematic diagram of a multi-node synchronization signal transmission system provided in one embodiment, where each synchronization signal group corresponds to a user area. Compared with the area division on the left side of Figure 5 (i.e., the division method in Figure 1), the area division on the right side of Figure 5 (i.e., the division method in Figure 4) can realize the area division of synchronization signal groups. If the method on the left side of Figure 5 is adopted, each synchronization signal constitutes a synchronization signal group, and each synchronization signal corresponds to a PRACH resource pool. Different synchronization signals within an AP correspond to different PRACH resource pools, and different synchronization signals in different APs can correspond to the same PRACH resource pool or different PRACH resource pools. Adjacent APs generally correspond to different PRACH resource pools. When a terminal (e.g., terminal 1) is located in area 5, terminal 1 selects one of S11 and SS21. At this time, one problem is that terminal 1 will frequently switch between SS11 and SS21. Another issue is that AP1 and AP2 independently schedule resources. AP1 may schedule uplink signals from terminal 2 on the time-frequency resources occupied by PRACH21 (belonging to PRACH resource pool 21, corresponding to SS21) on AP2. In this case, PRACH21 will cause strong interference at AP1. AP1 may also schedule downlink signals to terminal 2. At terminal 2 (especially when terminal 2 is also located in region 5), the uplink signal on PRACH21 will also cause strong interference to the downlink signal of terminal 2. Similarly, the signal from PRACH11 will also cause strong interference at AP2 or at the terminal of AP2. Using the approach shown in Figure 4 (right side of Figure 5), when the terminal is located in region 5, it selects a PRACH resource from PRACH resource pool 5 and sends an uplink access signal on the selected PRACH resource. This avoids frequent switching between multiple APs for terminals in overlapping areas (such as region 5 or region 6). Furthermore, since both AP1 and AP2 detect uplink access signals on the PRACH resources corresponding to the overlapping areas, other terminals will not be scheduled to send or receive other signals on these resources, avoiding the aforementioned interference problem. On the other hand, AP1 and AP2 will promptly know that the terminal is located in the overlapping area after receiving the uplink access signal. This allows the two APs to jointly serve the terminal, reducing inter-cell interference and improving the performance of users at the cell edge. Moreover, the complexity of PRACH detection at the AP is reduced. When all UEs under the coverage of multiple APs are managed uniformly in Figure 4, each AP does not need to detect the PRACH signals sent by all UEs under this unified management area; it only needs to detect the PRACH signals sent by UEs under its coverage and those at its cell edge. That is, it only needs to detect the PRACH signal on the PRACH resource corresponding to the synchronization signal group of its synchronization signal.Each AP corresponds to at least one synchronization signal it sends, and A synchronization signal groups to which the at least one synchronization signal belongs. Information is determined based on the A synchronization signal groups, and target signals are transmitted and / or control signaling is sent based on the determined information. For example, AP2 only needs to detect PRACHs in PRACH resource pools 3, 4, 5, and 6 corresponding to SS groups 3, 4, 5, and 6. It does not need to detect PRACHs in PRACH resource groups 1, 2, 7, and 8.

[0159] Figure 4 shows one method of area division, while Figure 6 shows another. As can be seen from Figures 4 and 6, based on P synchronization signals, X areas can be obtained, and X areas correspond to X groups of synchronization signals. In Figure 4, P=6 and X=8, while in Figure 6, P=3 and X=5. In Figure 6, each AP sends only one synchronization signal.

[0160] For the scheme in Figure 4 where each region corresponds to a synchronization signal group, another comparative scheme is where each region corresponds to a different synchronization signal. That is, each region corresponds to only one synchronization signal, and no region corresponds to a scheme including more than one synchronization signal group. X regions correspond to X synchronization signals, and each synchronization signal is sent by one or more APs. One synchronization signal is sent for each region. When a region corresponds to multiple beams of multiple APs, this synchronization signal is sent simultaneously by these multiple APs using their respective beams. For example, in the region division shown in the right figure of Figure 5, if this comparative scheme is adopted, 8 synchronization signals need to be sent, corresponding to regions 11, 12, 21, 22, 5, 6, 31, and 32 respectively. In region 5, AP1 and AP2 both send synchronization signal SS5. Compared to the scheme in Figure 4 where each region corresponds to a synchronization signal group, this comparative scheme has the following drawback: the channel characteristics of synchronization signal SS5 change rapidly in both the time and frequency domains, making the measurement of the terminal synchronization signal inaccurate and unstable. In the scheme of this application embodiment, for example, in Figure 4, the synchronization signals of region 5 include SS21 and SS11, which are sent by AP2 and AP1 respectively. The time and frequency domain changes of SS21 and SS11 are slower than SS5 in the comparative scheme. This is because, compared to SS5, the channels of SS21 and SS11 in Figure 4 contain fewer multipath components and spatial angular components, resulting in smaller delay spread and Doppler spread. Therefore, the scheme of this application embodiment allows for more stable and accurate measurement of the terminal's synchronization signal, avoiding situations where the signal cannot be measured for certain periods. On the other hand, in the comparative scheme, the load of the synchronization signal needs to increase with the number of regions, thus increasing the complexity of synchronization signal detection. Therefore, managing regions based on a synchronization signal group, compared to a single synchronization signal (i.e., the comparative scheme), makes the detection performance of the synchronization signal more accurate and stable, while also allowing for more reasonable management of regions by the base station (avoiding the interference and frequent handover issues mentioned above). Furthermore, the base station can flexibly adjust the division of regions according to channel conditions. When managing areas based on synchronization signal groups, information can be determined based on the area, target signal information can be determined based on the area, and the transmission of control signaling information can be improved, thereby enhancing the flexibility and effectiveness of information management.

[0161] When X is greater than P, the load and detection complexity of the synchronization signal can be reduced. Each synchronization signal can correspond to a detection position of a common control channel, which reduces the load and detection complexity of the common control channel while ensuring its detectability and stability.

[0162] When X is less than P, message load can be reduced. For example, message sending can be done at the region level, such as X synchronization signal groups corresponding to X common control detection locations. Region management based on synchronization signal groups can also differentiate between users in the cell center and users at the cell edge, and allow multiple APs corresponding to a region to communicate simultaneously with terminals that have selected that region, improving AP edge performance and reducing the complexity of PRACH signal detection for each AP. This allows each AP to be activated by the access terminal on demand, rather than all APs serving all UEs under the coverage of multiple APs. It should be noted that the region division in Figures 7 and 6 is only an example and does not exclude other region division methods.

[0163] The area corresponding to the first type of synchronization signal group requires multiple APs to communicate with users in this area. The area corresponding to the second type of synchronization signal group only requires one AP to communicate with users in this area. This allows APs to be activated on demand, ensuring that central and peripheral users achieve similar performance, rather than peripheral users experiencing poor performance due to interference between APs. Users in different second-type synchronization signal groups can be independently scheduled without mutual interference. For example, users in groups 1, 2, 3, 4, 7, and 8 in Figure 4 can be independently scheduled with negligible interference and can occupy the same resources. These resources include at least one of the following: time-domain resources, frequency-domain resources, and code-domain resources. For users in different areas corresponding to different synchronization signal groups containing the same synchronization signal, interference between them needs to be considered. For example, users in groups 1 and 5 in Figure 4 need to consider interference between them. For instance, a signal sent to group 1 can reach users in group 5, causing interference. In this case, the signals of users in groups 1 and 5 need to be distinguished by at least one of the following: time-domain resources, frequency-domain resources, code-domain resources, and power resources.

[0164] When the number of synchronization signals included in the target synchronization signal group selected by the terminal is greater than one, the first method of PRACH transmission is that the terminal sends the same PRACH signal to multiple APs. The same PRACH signal resides in the same resource, which includes at least one of the following: frequency domain resources, time domain resources, code domain resources, and spatial domain resources. Preferably, the transmission beam and transmission power of the same PRACH synchronization signal are determined based on one or more synchronization signals in the target synchronization signal group. The second method of PRACH transmission is that the terminal sends a PRACH signal to each of the multiple APs. Each of the multiple APs corresponds to one synchronization signal in the target synchronization signal group. For example, multiple synchronization signals correspond to multiple PRACH signals, and the multiple PRACH signals reside in at least one of the following resources: frequency domain resources, time domain resources, code domain resources, and spatial domain resources. For example, the terminal selects multiple PRACH resources from the PRACH resource pool corresponding to the target synchronization signal group and sends them to the APs corresponding to each synchronization signal in this synchronization signal group. Preferably, the PRACH resource pool corresponding to the target synchronization signal group can be divided into multiple subgroups, with different subgroups corresponding to different synchronization signals in this synchronization signal group.

[0165] Figures 7-11 illustrate the correspondence between various types of information and various synchronization signal levels. The synchronization signal levels include at least one of the following: a synchronization signal group, a synchronization signal set, or X synchronization signals. Figures 7-11 also illustrate how to determine information based on synchronization signal groups. In Figure 7, the first type of information is obtained based on the synchronization signal group index; different synchronization signal groups correspond to a set of first-type information. The second type of information is obtained based on the type of the synchronization signal group; different types of synchronization signal groups correspond to a set of second-type information. X synchronization signal groups belong to Z synchronization signal sets. In Figure 7, X=6, Z=2, and each synchronization signal set corresponds to a set of third-type information. X synchronization signal groups correspond to the same fourth type of information. In Figure 7, SS groups 1-4 include one synchronization signal, and SS groups 5-6 include more than one synchronization signal. SS groups 1-6 in Figure 7 correspond one-to-one with SS groups 1-6 in Figure 2. For simplicity, SS groups 7 and 8 are omitted in Figure 7, but this does not affect the meaning of Figure 7.

[0166] The difference between Figure 8 and Figure 7 is that the acquisition of the second type of information is determined not only by the type of synchronization signal, but also by the set of synchronization signals to which the synchronization signal group belongs. For example, the second type of information corresponding to the second type of synchronization signal group under the first set of synchronization signals and the second type of information corresponding to the second type of synchronization signal group under the second set of synchronization signals need to be determined separately, preferably they are different.

[0167] The difference between Figure 9 and Figure 7 is that there is no second type of information. The difference between Figure 10 and Figure 7 is that the third type of information corresponding to the first type of synchronization signal group is determined according to the synchronization signal set and the synchronization signal type. The first type of synchronization signal group and the synchronization signal set determine the third type of information respectively. The third type of information corresponding to a synchronization signal set is only applicable to the second type of synchronization signal group that includes the synchronization signals in this synchronization signal set, and is not applicable to the first type of synchronization signal group that includes the synchronization signals in this synchronization signal set. The difference between Figure 11 and Figure 10 is that the third type of information for the first type of synchronization signal group with different indices needs to be determined separately, preferably, they are different. Figures 7 to 11 all have third type and fourth type of information, in which case the synchronization signals of multiple synchronization signal sets are managed uniformly. The information determined according to the synchronization signal group includes public messages, which involves how to send public messages, including broadcast messages (such as messages included in PBCH) and at least one of the system messages. The first method involves determining the common message for each of the X regions separately. The second method involves having the same common message for the X regions, but at least one of the time domain, frequency domain, code domain, and spatial domain resources for detecting the common message differs across the X regions. The third approach includes multiple types of public messages, such as five types. The first type of public message is determined for each of the X regions, at the synchronization signal group level. Preferably, the first type of public message differs for each of the X regions. The second type of public message is determined for different types of regions within the X regions, at the synchronization signal group type level. Preferably, the second type of public message differs for different types of regions. The third type of public message is determined for each set of regions, preferably, the third type of public message differs for Z sets of regions, at the synchronization signal set level. The fourth type of public message corresponds to X synchronization signal groups; for example, X synchronization signal groups may correspond to the same fourth type of public message. The fifth type of public message is determined at the synchronization signal group set level; different synchronization signal sets correspond to different fifth type of public messages. The sixth type of public message is determined for each synchronization signal level; different synchronization signals correspond to different sixth type of public messages. For example, the information in Figures 7-11 can include public messages. In Figures 7-11, the first to fourth types of information respectively include the first to fourth types of public messages. Of course, each type of information in Figures 7-11, from the first to the fourth type, can include not only public messages but also proprietary messages.

[0168] In one example, X synchronization signal groups correspond to X PRACH resource pools, and these X PRACH resource pools belong to Z PRACH resource sets. For example, each synchronization signal set corresponds to one PRACH resource set, and the X PRACH resource pools originate from these Z PRACH resource sets. Alternatively, the X PRACH resource pools belong to Z+Z1 PRACH resource sets, where each synchronization signal set corresponds to one PRACH resource set. Preferably, Z1 represents the number of first-type synchronization signal groups (synchronization signal groups containing more than one synchronization signal). X1 second-type synchronization signal groups (synchronization signal groups containing one synchronization signal) under a synchronization signal set divide the corresponding PRACH resource set into X1 parts, and these X1 second-type synchronization signal groups correspond to the X1 PRACH resource pools. PRACH resource pools are then determined for each of the Z1 first-type synchronization signal groups. In PRACH resource allocation, a rule can be followed, such as ensuring that the union of the PRACH resource pools corresponding to a set of synchronization signals (also called a PRACH resource pool group) satisfies a predetermined characteristic, thereby reducing the detection complexity on the AP side. A PRACH resource pool group corresponding to a set of synchronization signals includes one or more PRACH resource pools. Each PRACH resource pool in these PRACH resource pools corresponds to a synchronization signal group that includes at least one synchronization signal from the synchronization signal set. For example, in Figure 4, AP2 corresponds to synchronization signal set 2. At least one synchronization signal in synchronization signal set 2 belongs to synchronization signal groups 3, 4, 5, and 6. Therefore, the union of the PRACH resource pools corresponding to synchronization signal set 2 is the PRACH resources in PRACH resource pools 3, 4, 5, and 6. AP2 needs to detect PRACHs in PRACH resource pools 3, 4, 5, and 6. The union of the PRACH resource pools satisfies at least one of the following predetermined characteristics: the number of root sequences of the preamble of the PRACHs included in the union is less (e.g., less than a first predetermined number); the number of different PRACH occasions in the union is less (e.g., less than a second predetermined number); and one of the PRACH occasions is a combination of time-domain and frequency-domain resources for PRACH detection. Multiple PRACH signals in a PRACH occasion are processed using code division. Of course, it is not impossible that in some cases, some types of information in the examples in Figures 7-11 may be missing, such as at least one of the third and fourth types of information.

[0169] In one implementation, the fourth type of public message includes at least one of the following related information: Z sets of synchronization signals, X groups of synchronization signals, X PRACH resource pools, Z sets of PRACH resources, and Z1 sets of PRACH resources.

[0170] In one implementation, the i-th type of message notifies multiple sets of j-th type information, and the m-th type of message selects one or more sets of j-th type information from the multiple sets of j-th type information to form a synchronization signal group or set of synchronization signals, where i is greater than m, and m is greater than or equal to j. The i-th and m-th type of messages include one or more of the first to fourth type of messages. The j-th type of information includes one or more of the first to sixth type of information.

[0171] Figures 4 and 6 illustrate one method of region division, while Figure 12 shows another. For example, in the near field, the base station transmits five synchronization signals. The target regions of these five synchronization signals are five regions on the second range layer. Each of the five regions on each range layer corresponds to five orthogonal near-field beams of the base station. Each region on the first and third range layers corresponds to two synchronization signal layers on the second range layer. In Figure 12, each region on the first and third range layers corresponds to a synchronization signal group containing two synchronization signals. Of course, this embodiment does not exclude the possibility that the number of synchronization signals included in the synchronization signal group corresponding to different regions may be different. Each range layer corresponds to a set of orthogonal bases (also called orthogonal beams) in T-dimensional space. The number of transmitting antennas of the T-dimensional base station is T. The orthogonal base corresponds to the transmission precoding used by the base station on the T antennas. Each orthogonal base on different range layers can be expressed as a combination of multiple orthogonal bases in other layers. In Figure 12, region 5 includes region 5 on the first range layer and region 5 on the third range layer. For example, the channel on region 5 is a beam-weighted combination of synchronization signal 1 and synchronization signal 2 in the second range layer, so users on region 5 can receive synchronization signal 1 and synchronization signal 2. The difference between Figure 13 and Figure 12 is that Figure 13 further distinguishes the regions indexed 6-10 in Figure 12 on the second and third range layers. For example, in Figure 12, region 6 includes two parts: region 6 on the first range layer and region 6 on the third range layer, while in Figure 13, these two parts are divided into region 6 and region 11. Both region 6 and region 11 contain synchronization signal 1 and synchronization signal 2 in their corresponding synchronization signal groups. However, the receiving parameters of their corresponding synchronization signals are different. For example, region 6 corresponds to synchronization signal group 6, which includes synchronization signal 1 and synchronization signal 2, as well as the first receiving parameters of synchronization signal 1 and synchronization signal 2. Region 11 corresponds to synchronization signal group 11, which also includes synchronization signal 1 and synchronization signal 2, but with different second receiving parameters for synchronization signal 1 and synchronization signal 2. The receiving parameters include at least one of the following: received power, sum of received power, and received phase difference. In this case, among the X synchronization signal groups, two synchronization signal groups contain the same synchronization signal, but their receiving parameters are different.

[0172] Optionally, the synchronization signal groups can be further divided into synchronization signal group sets. For example, synchronization signal groups on each range layer constitute a synchronization signal group set. For instance, in Figure 13, synchronization signal groups 11 to 15 on the first range layer constitute the first synchronization signal group set, synchronization signal groups 1 to 5 on the second range layer constitute the second synchronization signal group set, and synchronization signal groups 6 to 10 on the third range layer constitute the third synchronization signal group set. The fifth type of information corresponding to each synchronization signal group set needs to be determined separately. Preferably, the fifth type of information corresponding to different synchronization signal group sets is different. Figure 14 is a schematic diagram of the near-field range layer, where different circles represent different range layers. Each range layer includes a set of regions, and a synchronization signal sent by the base station is directed to a region on a range layer. In Figures 12 and 13, the base station only sends P synchronization signals on one range layer. In Figures 12 and 13, P=5, which can form multiple regions on multiple range layers because one range layer includes a set of orthogonal beams, and the regions on other range layers can be represented by a linear combination of synchronization signal range layer beams. For example, as shown in Figure 15, there are three sets of synchronization signal groups, each corresponding to a set of fifth-type information. In Figure 15, different sets of synchronization signal groups correspond to different sets of fifth-type information, and the values ​​of the fifth-type information are also different. In another embodiment of this example, the fifth-type information corresponding to the three sets of synchronization signal groups is the same, but at least one of the time-frequency code space resources for detecting the fifth-type information is different.

[0173] In the above embodiments, the first type of information includes at least one of the following: first type parameters of the target signal, first type control signaling information; the second type of information includes at least one of the following: second type parameters of the target signal, second type control signaling information; the third type of information includes at least one of the following: third type parameters of the target signal, third type control signaling information; the fourth type of information includes at least one of the following: fourth type parameters of the target signal, fourth type control signaling information; and the fifth type of information includes at least one of the following: fifth type parameters of the target signal, fifth type control signaling information. The control signaling information includes at least one of the following: Radio Resource Control (RRC) control signaling information, Media Access Control (MAC) Control Element (CE) control signaling information, and Downlink Control Information (DCI) control signaling information. Furthermore, the control signaling information may include at least one of the following: higher layer control signaling information, physical layer control signaling information. On the other hand, the control signaling information may also include at least one of the following: broadcast control signaling, common control signaling, common messages, and system messages.

[0174] In the above method, P synchronization signals constitute X synchronization signal groups. Each synchronization signal in the X synchronization signal groups includes a synchronization signal obtained according to one or more of the following methods: sequence information of the synchronization signal, time-domain resources where the synchronization signal is located, frequency-domain resources where the synchronization signal is located, and signaling notified by the base station. The signaling includes common signaling and / or proprietary signaling. For example, a user accessing the system for the first time needs to receive common signaling, and the synchronization signals included in each of the X synchronization signal groups are determined based on the common signaling. For users who have previously accessed the system, the above information can be notified to the user through proprietary signaling, so that, for example, when the user enters an idle state or an in-activate state, the information notified by the proprietary signaling can be used for synchronization signal detection. If it is common control signaling, preferably, the first type of information in Figures 7-11 can include the information in the common control signaling, that is, the first type of information corresponding to each synchronization signal group includes the information of the X synchronization signal groups, or the first type of information includes at least the information of the synchronization signal groups. Alternatively, each synchronization signal may correspond to a set of sixth-category information, which includes the synchronization signal group to which the synchronization signal belongs, and the PRACH resource pool information corresponding to these synchronization signal groups. As shown in Figure 16, which is based on Figure 15, each of the P synchronization signals corresponds to a set of sixth-category information. Figure 17 is also a schematic diagram of a set of values ​​for each synchronization signal corresponding to a set of sixth-category information, based on Figure 7, where each of the P synchronization signals corresponds to a set of sixth-category information. For example, the sixth-category information may include the detection location of the common control channel corresponding to the synchronization signal. When a terminal detects a synchronization signal, it detects the common control channel based on the detection location of the common control channel corresponding to this synchronization signal, and obtains a common message based on the common control channel. The common message may include at least one of the following: first-category common messages to sixth-category common messages. Alternatively, the sixth-category information may include the detection location of the broadcast channel, with each synchronization signal corresponding to a broadcast channel detection location. The broadcast channel may include at least one of the following: first-category common messages to sixth-category common messages, information from X synchronization signal groups, or information from the synchronization signal group to which the broadcast channel corresponds. In Figures 15-16, if the sixth type of information includes the detection position of the common control channel, then different synchronization signals correspond to different detection positions of the common control channel. In Figures 7-11, if the first type of information includes the detection position of the common channel, then different groups of synchronization signals correspond to different detection positions of the common control channel. Preferably, the method shown in Figures 15-16 is adopted, and one or more of the following methods can be used to notify the first type of common message:

[0175] Alt1: Each synchronization signal corresponds to the detection position of a common channel. Different common control channels corresponding to different synchronization signals in a synchronization signal group can point to the transmission of the same common data channel. This common data channel includes at least one of the first to sixth types of information.

[0176] Alt2: Different common control channels corresponding to different synchronization signals in a synchronization signal group can point to different common data channels for transmission. Among the multiple common data channels corresponding to the synchronization signal group, the first type of information is the same.

[0177] Alt3: Each synchronization signal corresponds to a detection position of a common control channel. Based on this common control channel, a sixth type of common message is obtained. This sixth type of common message includes the detection position of the common control channel corresponding to each synchronization signal group. Alternatively, the sixth type of common message includes the detection position of the common control channel corresponding to the synchronization signal group to which this synchronization signal belongs. Alternatively, the common control channel notifies synchronization signals that satisfy a quasi-co-value relationship with the common data channel, thus revealing which synchronization signals correspond to the same common data channel.

[0178] The method of obtaining the first type of public message from the sixth type of public message in Alt1~Alt3 can be similarly derived to obtain the m type of public message from the j type of public message, except that the sixth type in Alt1~Alt3 is replaced with the j type, where j is greater than or equal to m. The synchronization signal is replaced with the synchronization signal level corresponding to the j type of public message, and the synchronization signal group is replaced with the synchronization signal level corresponding to the m type of public message. The synchronization signal level includes at least one of the following: synchronization signal group, synchronization signal type, synchronization signal set, synchronization signal group set, and a synchronization signal. The synchronization signal group, synchronization signal type, synchronization signal set, synchronization signal group set, and a synchronization signal correspond to the following public messages in sequence: the first type of public message, the second type of public message, the third type of public message, the fourth or fifth type of public message, and the sixth type of public message.

[0179] In the above description, control signaling can also be referred to as control information or control messages. Control information includes patent control information and public control information. Control information is transmitted in the control channel. Control information can also be transmitted in the data channel, which is scheduled by the control channel. Information transmitted in the Physical Broadcast Channel (PBCH) also falls under the category of public control information.

[0180] In the above embodiment, the terminal obtains Y target synchronization signal groups through the measurement results of the synchronization signals, and obtains the information based on the Y target synchronization signal groups. In another example of this embodiment, the Y target synchronization signal groups are the X synchronization signal groups. The terminal obtains the X synchronization signal groups based on the information indicated in the common control channel. For example, the control information of the common control channel indicates the index of a set of synchronization signals, which constitute a synchronization signal group. The synchronization signals in the synchronization signal group and the common data channel scheduled by the common control channel satisfy a quasi-co-address relationship. The synchronization signal group is the X synchronization signal groups, where X equals 1, and the Y target synchronization signal groups are also the same synchronization signal group. The above scheme is also suitable for group control channels and group data channels, that is, replacing the common control channel and common data channel with group control channels and group data channels respectively. The common data channel includes common messages, which can also be called system messages. This allows the base station to flexibly send system messages on demand, eliminating the need for each synchronization signal to correspond to a separate PDSCH location containing system messages. For example, in Figure 4, the six synchronization signals correspond to six CORESET0 detection timing sets, with each synchronization signal corresponding to a separate CORESET0 detection timing set. However, there are four PDSCHs containing system messages, and the quasi-co-location reference signals corresponding to these four PDSCHs are the synchronization signals of synchronization signal groups 5, 6, 2, and 8, respectively. The common data channel or the group data channel includes at least one of the following: system messages, PRACH response information.

[0181] In the above embodiments, the terminal side determines information based on Y target synchronization signal groups. In some embodiments, the terminal also needs to determine information based on X synchronization signal groups, which can also be referred to as determining the correspondence between X synchronization signal groups and information. Determining information based on X synchronization signal groups includes determining the information based on at least one of the following: X synchronization signal groups, the set of synchronization signals in each synchronization signal group, the type of the synchronization signal group corresponding to each synchronization signal group, and the set of synchronization signal groups in which each synchronization signal group belongs. Alternatively, the set of synchronization signals and the set of synchronization signal groups can be regarded as different types of synchronization signal groups. For example, the type of synchronization signal group can be determined based on at least one of the following: the number of synchronization signals included in the synchronization signal group, the number of subgroups included in the synchronization signal group, and the number of sequences corresponding to the synchronization signals included in the synchronization signal group.

[0182] In one embodiment, each synchronization signal corresponds to a detection timing set for a common control channel. When a terminal selects a synchronization signal, it detects the common control channel under the common control channel corresponding to that synchronization signal. The control information of the common control channel includes one or more synchronization signal indices that satisfy a quasi-co-address relationship with the common data channel. The common data channel is the data channel scheduled by the common control channel. The above scheme is also suitable for group control channels and group data channels, that is, replacing the common control channel and common data channel with group control channels and group data channels respectively. The common data channel includes common messages, which can also be called system messages. This allows the base station to flexibly send system messages on demand, without requiring each synchronization signal to correspond to a PDSCH position that includes system messages. For example, in Figure 4, the 6 synchronization signals correspond to 6 detection timing sets for CORESET0, and each synchronization signal corresponds to a detection timing set for CORESET0, but there are 4 PDSCHs that include system messages. The quasi-co-address reference signals corresponding to these 4 PDSCHs are the synchronization signals of synchronization signal groups 5, 6, 2, and 8. The common data channel or the group data channel includes at least one of the following: system messages, PRACH response information. In this embodiment, there may be no feature constraints on the synchronization signal group; that is, even without the feature constraints of the synchronization signal group, the core features of this embodiment can still be established independently. The core features of this embodiment include a detection timing set for each synchronization signal corresponding to a common control channel. When the terminal selects a synchronization signal, it detects the common control channel under the common control channel corresponding to that synchronization signal. The control information of the common control channel includes one or more synchronization signal indices that satisfy a quasi-co-address relationship with the common data channel.

[0183] This application also provides an information determining device. Figure 18 is a schematic diagram of the structure of an information determining device according to an embodiment. As shown in Figure 18, the information determining device includes:

[0184] The first determining module 310 is configured to determine X groups of synchronization signals, wherein the X groups of synchronization signals include at least one first type of synchronization signal group, and the first type of synchronization signal group includes at least two synchronization signals, and X is a positive integer greater than or equal to 1.

[0185] The second determining module 320 is configured to determine Y target synchronization signal groups from the X synchronization signal groups, where Y is a positive integer less than or equal to X;

[0186] The information determination module 330 is configured to determine information based on the Y target synchronization signal groups, wherein the information includes at least one of the following: target signal information, control signaling information.

[0187] In one embodiment, the second determining module 320 is specifically configured as follows:

[0188] Based on the measurement results of the synchronization signals and the setting information, the Y target synchronization signal groups are determined from the X synchronization signal groups;

[0189] The configuration information includes at least one of the following: predetermined rules, predetermined features, the number of synchronization signals included in the synchronization signal group, and received signaling information.

[0190] In one embodiment, the predetermined feature is a feature satisfied by the measurement results of the synchronization signals in the target synchronization signal group.

[0191] In one embodiment, the predetermined rule includes at least one of the following:

[0192] Each of the Y target synchronization signal groups satisfies the predetermined characteristics;

[0193] If none of the X synchronization signal groups satisfy the predetermined characteristics, Y synchronization signal groups are randomly selected from the X synchronization signal groups as target synchronization signal groups.

[0194] If more than Y synchronization signal groups satisfy the predetermined characteristics, Y synchronization signal groups are determined from the synchronization signal groups that satisfy the predetermined characteristics according to the number of synchronization signals included in the synchronization signal groups.

[0195] When the predetermined features include at least two predetermined features, a synchronization signal group that satisfies one of the predetermined features is determined from X synchronization signal groups. When the number of determined synchronization signal groups is greater than Y, a synchronization signal group that satisfies another predetermined feature is determined from the determined synchronization signal groups, and so on, until the number of determined synchronization signal groups is Y, and Y synchronization signal groups are obtained as the Y target synchronization signal groups.

[0196] In one embodiment, the predetermined feature includes at least one of the following:

[0197] The measurement result of each synchronization signal in the synchronization signal group is greater than a first predetermined value;

[0198] The difference between the measurement results of different synchronization signals in the synchronization signal group is less than the second predetermined value;

[0199] The sum of the measurement results of the synchronization signals in the synchronization signal group is greater than the third predetermined value;

[0200] The measurement results of all synchronization signals in the synchronization signal group satisfy the predetermined characteristics, wherein the predetermined characteristics include the characteristics satisfied by the combination of the measurement results of all synchronization signals.

[0201] In one embodiment, the information determination module 330 is specifically configured to determine the information based on at least one of the following:

[0202] The Y target synchronization signal groups, the types of the Y target synchronization signal groups, the set of synchronization signals in the Y target synchronization signal groups, and the set of synchronization signal groups corresponding to the Y target synchronization signal groups.

[0203] In one embodiment, the information includes a first type of information; different synchronization signal groups in the X synchronization signal groups each correspond to a set of values ​​of the first type of information.

[0204] In one embodiment, the information includes a second type of information; different types of synchronization signal groups in the X synchronization signal groups each correspond to a set of values ​​of the second type of information.

[0205] In one embodiment, the device further includes:

[0206] The type determination module is configured to determine the type of the synchronization signal group based on at least one of the following: the number of synchronization signals included in the synchronization signal group, and the number of synchronization signal subgroups included in the synchronization signal group;

[0207] The type of the synchronization signal group includes at least one of the following: a first type of synchronization signal group, a second type of synchronization signal group, wherein the second type of synchronization signal group includes 1 synchronization signal.

[0208] In one embodiment, the synchronization signals in the X synchronization signal groups belong to Z synchronization signal sets, and each of the Z synchronization signal sets includes at least one synchronization signal; Z is a positive integer greater than or equal to 1, and each of the Z synchronization signal sets includes a synchronization signal from one or more of the X synchronization signal groups.

[0209] In one embodiment, each of the Z sets of synchronization signals corresponds to a set of values ​​for the third type of information.

[0210] In one embodiment, the device also satisfies at least one of the following:

[0211] It includes a set determination module, configured to determine at least one set of synchronization signals in the Y target synchronization signal groups, wherein the information includes a third type of information corresponding to the determined at least one set of synchronization signals;

[0212] When the first type of synchronization signal group is included in the Y target signal groups, the third type of information corresponding to the first type of synchronization signal group in the Y target synchronization signal groups is a set of values ​​of the third type of information corresponding to the first type of synchronization signal group. The information includes a set of values ​​of the third type of information corresponding to the first type of synchronization signal group, wherein the first type of synchronization signal group of the Z synchronization signal sets and the X synchronization signal groups respectively correspond to a set of values ​​of the third type of information.

[0213] When the Y target signal groups include a second type of synchronization signal group, the third type of information corresponding to the second type of synchronization signal group in the Y target synchronization signal groups is a set of values ​​of the third type of information corresponding to the synchronization signal set in the second type of synchronization signal group. The information includes a set of values ​​of the third type of information corresponding to the synchronization signal set. The first type of synchronization signal group of the Z synchronization signal sets and the X synchronization signal groups respectively correspond to a set of values ​​of the third type of information. The second type of synchronization signal group includes only one synchronization signal.

[0214] In one embodiment, different synchronization signals in a first type of synchronization signal group belong to different synchronization signal sets in the Z sets of synchronization signals.

[0215] In one embodiment, the X groups of synchronization signals correspond to the same fourth type of information.

[0216] In one embodiment, the information includes the fourth type of information;

[0217] The fourth type of information includes at least one of the following: frequency domain bandwidth index, logical cell index, and configuration unit index.

[0218] In one embodiment, the X synchronization signal groups belong to at least one set of synchronization signal groups; wherein each of the at least one set of synchronization signal groups corresponds to a set of values ​​for the fifth type of information.

[0219] In one embodiment, the device further includes a set determination module, configured to: determine the set of synchronization signal groups corresponding to the Y target synchronization signal groups; the information includes a fifth type of information corresponding to the determined set of synchronization signal groups.

[0220] In one embodiment, the target signal includes at least one of an uplink signal and a downlink signal;

[0221] The uplink signal includes at least one of the following: uplink access signal, uplink resource request signal, uplink control channel signal, uplink data channel signal, uplink measurement reference signal, and uplink reference signal;

[0222] The downlink signal includes at least one of the following: downlink synchronization signal, downlink control channel signal, downlink measurement reference signal, downlink reference signal, common downlink signal, downlink data channel signal, downlink common control channel signal, and downlink common data channel signal.

[0223] In one embodiment, the device further includes:

[0224] The transmission module is configured to transmit the target signal based on the information and the second communication node, wherein the transmission includes at least one of the following: sending and receiving.

[0225] In one embodiment, the device further includes:

[0226] The execution module is configured to perform at least one of the following operations based on the determined information: receiving the target signal, sending the target signal, updating the message, starting the process, and detecting the control channel.

[0227] In one embodiment, at least two of the X synchronization signal groups are included, and the synchronization signals included in the at least two synchronization signal groups are the same, but the parameters of the synchronization signals are different.

[0228] In one embodiment, the parameters of the synchronization signal include the reception parameters of the synchronization signal.

[0229] In one embodiment, the device further includes:

[0230] The signal determination module is configured to determine P synchronization signals, wherein the synchronization signal in each of the X synchronization signal groups is a synchronization signal among the P synchronization signals.

[0231] The P synchronization signals satisfy at least one of the following characteristics:

[0232] Each of the P synchronization signals corresponds to a set of values ​​in the sixth type of information, which includes the detection position of the common control channel.

[0233] Among the P synchronization signals, at least one synchronization signal exists, and the at least one synchronization signal belongs to at least two of the X synchronization signal groups.

[0234] In one embodiment, the at least two synchronization signal groups include a first type of synchronization signal group and a second type of synchronization signal group, wherein the second type of synchronization signal group includes only one synchronization signal.

[0235] In one embodiment, the device includes a detection module configured to be at least one of the following:

[0236] The common control channel is detected at the detection location of the common control channel. The common control channel includes indication information of at least one of the P synchronization signals corresponding to the common data channel scheduled by the common control channel. The at least one synchronization signal and the demodulation reference signal port of the common data channel satisfy a quasi-co-address relationship.

[0237] The common control signal is detected at the detection location of the common control channel, and the information of the X synchronization signal groups is determined based on the detected common control channel.

[0238] In one embodiment, the first determining module 310 is specifically configured to: determine the X groups of synchronization signals based on at least one of the following information: sequence information of the synchronization signals, time domain resources where the synchronization signals are located, frequency domain resources where the synchronization signals are located, subcarrier spacing of the synchronization signals, and receive control signaling from the second communication node.

[0239] The information determination device proposed in this embodiment belongs to the same inventive concept as the information determination method proposed in the above embodiments. Technical details not described in detail in this embodiment can be found in any of the above embodiments. Furthermore, this embodiment has the same beneficial effects as the information determination method.

[0240] This application also provides an information determining device. Figure 19 is a schematic diagram of the structure of an information determining device according to an embodiment. As shown in Figure 19, the information determining device includes:

[0241] The transmitting module 410 is configured to transmit at least one synchronization signal;

[0242] The signal group determination module 420 is configured to determine A synchronization signal groups, wherein each of the A synchronization signal groups includes one or more of the at least one synchronization signal, and A is a positive integer greater than or equal to 1;

[0243] The information determination module 430 is configured to determine information based on the A groups of synchronization signals, wherein the information includes at least one of the following: information of the target signal, and control signaling information.

[0244] In one embodiment, the device further includes:

[0245] The first detection module is configured to detect the target signal from the first communication node. The information of the target signal is determined based on Y target synchronization signal groups out of the A synchronization signal groups, where Y is a positive integer less than or equal to A.

[0246] In one embodiment, the device further includes at least one of the following:

[0247] The transmission module is configured to transmit the target signal based on the determined information and the first communication node;

[0248] The information sending module is configured to send the control signaling information to the first communication node based on the determined information.

[0249] In one embodiment, the A synchronization signal groups correspond to A PRACH resource pools; the device further includes:

[0250] The second detection module is configured to detect PRACH signals in each of the A PRACH resource pools.

[0251] In one embodiment, the information determination module 430 is configured to determine the information based on at least one of the following: the A synchronization signal groups, the type of the A synchronization signal groups, the set of synchronization signals in the A synchronization signal groups, and the set of synchronization signal groups corresponding to the A synchronization signal groups.

[0252] In one embodiment, the A groups of synchronization signals satisfy at least one of the following:

[0253] The A sets of synchronization signal groups correspond to the A sets of values ​​for the first type of information;

[0254] The types of asynchronous signal groups in the A synchronization signal groups each correspond to a set of values ​​for the second type of information;

[0255] Z1 sets of the synchronization signals correspond to Z1 sets of third-class information, wherein the synchronization signals in the A sets of synchronization signals belong to the Z1 sets of synchronization signals, and each of the Z1 sets of synchronization signals includes the synchronization signals in one or more sets of synchronization signals.

[0256] In one embodiment, the at least one synchronization signal belongs to P synchronization signals;

[0257] The P synchronization signals belong to X synchronization signal groups, and the X synchronization signal groups include at least one first type synchronization signal group. The first type synchronization signal group includes at least two synchronization signals. The A synchronization signal groups are A synchronization signal groups among the X synchronization signal groups, where X is a positive integer greater than or equal to 1.

[0258] In one embodiment, the X groups of synchronization signals correspond to the same fourth type of information.

[0259] In one embodiment, the device further includes:

[0260] The set determination module is configured to determine the set of synchronization signal groups corresponding to the A synchronization signal groups;

[0261] The information includes a fifth type of information corresponding to the determined set of synchronization signal groups.

[0262] In one embodiment, the P synchronization signals satisfy at least one of the following:

[0263] Each of the P synchronization signals corresponds to a set of values ​​in the sixth type of information, which includes the detection position of the common control channel.

[0264] Among the P synchronization signals, at least one synchronization signal exists, and the at least one synchronization signal belongs to at least two of the X synchronization signal groups.

[0265] In one embodiment, there are multiple second communication nodes; each of the P synchronization signals is sent by some or all of the multiple second communication nodes.

[0266] Each of the multiple second communication nodes is determined to correspond to at least one synchronization signal and A groups of synchronization signals, wherein the value of A corresponding to different second communication nodes may be the same or different.

[0267] The information determination device proposed in this embodiment belongs to the same inventive concept as the information determination method proposed in the above embodiments. Technical details not described in detail in this embodiment can be found in any of the above embodiments. Furthermore, this embodiment has the same beneficial effects as the information determination method.

[0268] This application also provides a communication node. Figure 20 is a schematic diagram of the hardware structure of a communication node provided in an embodiment. As shown in Figure 20, the communication node provided in this application includes a processor 510 and a memory 520. The processor 510 in the communication node can be one or more, and Figure 20 shows one processor 510 as an example. The memory 520 is configured to store one or more programs. The one or more programs are executed by the one or more processors 510, so that the one or more processors 510 implement the information determination method as described in the embodiment of this application.

[0269] The communication node also includes: a communication device 530, an input device 540, and an output device 550.

[0270] The processor 510, memory 520, communication device 530, input device 540 and output device 550 in the communication node can be connected by a bus or other means. Figure 20 shows an example of connection by bus.

[0271] Input device 540 can be used to receive input digital or character information, and to generate key signal inputs related to user settings and function control of the communication node. Output device 550 may include display devices such as a display screen.

[0272] The communication device 530 may include a receiver and a transmitter. The communication device 530 is configured to perform information transmission and reception communication under the control of the processor 510.

[0273] The memory 520, as a computer-readable storage medium, can be configured to store software programs, computer-executable programs, and modules, such as program instructions / modules corresponding to the information determination method described in the embodiments of this application (e.g., the first determination module 310, the second determination module 320, and the information determination module 330 in the information determination device). The memory 520 may include a program storage area and a data storage area, wherein the program storage area may store the operating system and at least one application program required for a function; the data storage area may store data created based on the use of the communication node, etc. Furthermore, the memory 520 may include high-speed random access memory and may also include non-volatile memory, such as at least one disk storage device, flash memory device, or other non-volatile solid-state storage device. In some instances, the memory 520 may further include memory remotely located relative to the processor 510, and these remote memories can be connected to the communication node via a network. Examples of such networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.

[0274] This application also provides a communication node. Figure 21 is a schematic diagram of the hardware structure of a communication node provided in an embodiment. As shown in Figure 21, the communication node provided in this application includes a processor 610 and a memory 620. The processor 610 in the communication node can be one or more, and Figure 21 shows one processor 610 as an example. The memory 620 is configured to store one or more programs. The one or more programs are executed by the one or more processors 610, so that the one or more processors 610 implement the information determination method as described in the embodiment of this application.

[0275] The communication node also includes: a communication device 630, an input device 640, and an output device 650.

[0276] The processor 610, memory 620, communication device 630, input device 640 and output device 650 in the communication node can be connected by a bus or other means. Figure 21 shows an example of connection via a bus.

[0277] Input device 640 can be used to receive input digital or character information, and to generate key signal inputs related to user settings and function control of the communication node. Output device 650 may include display devices such as a display screen.

[0278] The communication device 630 may include a receiver and a transmitter. The communication device 630 is configured to perform information transmission and reception communication under the control of the processor 610.

[0279] The memory 620, as a computer-readable storage medium, can be configured to store software programs, computer-executable programs, and modules, such as program instructions / modules corresponding to the information determination method described in the embodiments of this application (e.g., the sending module 410, signal group determination module 420, and information determination module 430 in the information determination device). The memory 620 may include a program storage area and a data storage area, wherein the program storage area may store the operating system and at least one application program required for a function; the data storage area may store data created based on the use of the communication node, etc. Furthermore, the memory 620 may include high-speed random access memory and may also include non-volatile memory, such as at least one disk storage device, flash memory device, or other non-volatile solid-state storage device. In some instances, the memory 620 may further include memory remotely located relative to the processor 610, and these remote memories can be connected to the communication node via a network. Examples of such networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.

[0280] This application embodiment also provides a storage medium storing a computer program, which, when executed by a processor, implements any of the information determination methods described in this application embodiment. The method can be applied to a first communication node and includes: determining X synchronization signal groups, wherein the X synchronization signal groups include at least one first type of synchronization signal group, and the first type of synchronization signal group includes at least two synchronization signals, where X is a positive integer greater than or equal to 1; determining Y target synchronization signal groups from the X synchronization signal groups, where Y is a positive integer less than or equal to X; and determining information based on the Y target synchronization signal groups, wherein the information includes at least one of the following: information of the target signal, and control signaling information. Alternatively, the method can be applied to a second communication node and includes: sending at least one synchronization signal; determining A synchronization signal groups, wherein each of the A synchronization signal groups includes one or more of the at least one synchronization signal, where A is a positive integer greater than or equal to 1; and determining information based on the A synchronization signal groups, wherein the information includes at least one of the following: information of the target signal, and control signaling information.

[0281] This application also provides an information determination system, as shown in FIG22. The system includes a first communication node 710 as described in any of the above embodiments, and at least one second communication node 720 as described in any of the above embodiments.

[0282] This application also provides a computer program product, including a computer program / instruction, which, when executed by a processor, implements any of the information determination methods described in this application.

[0283] The computer storage medium in this application embodiment can be any combination of one or more computer-readable media. The computer-readable medium can be a computer-readable signal medium or a computer-readable storage medium. For example, a computer-readable storage medium can be, but is not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples of computer-readable storage media (a non-exhaustive list) include: an electrical connection having one or more wires, a portable computer disk, a hard disk, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM), flash memory, optical fiber, portable compact disc read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination thereof. The computer-readable storage medium can be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.

[0284] Computer-readable signal media may include data signals propagated in baseband or as part of a carrier wave, carrying computer-readable program code. Such propagated data signals may take various forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination thereof. Computer-readable signal media may also be any computer-readable medium other than computer-readable storage media, which can send, propagate, or transmit programs for use by or in connection with an instruction execution system, apparatus, or device.

[0285] Program code contained on a computer-readable medium may be transmitted using any suitable medium, including but not limited to: wireless, wire, optical fiber, radio frequency (RF), etc., or any suitable combination thereof.

[0286] Computer program code for performing the operations of this application can be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages ​​such as Java, Smalltalk, and C++, as well as conventional procedural programming languages ​​such as "C" or similar programming languages. The program code can be executed entirely on the user's computer, partially on the user's computer, as a standalone software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In cases involving remote computers, the remote computer can be connected to the user's computer via any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or it can be connected to an external computer (e.g., via the Internet using an Internet service provider).

[0287] This application also provides a computer program product, including a computer program / instructions, which, when executed by a processor, implement the information determination method as described in any of the above embodiments.

[0288] The above description is merely an exemplary embodiment of this application and is not intended to limit the scope of protection of this application.

[0289] Those skilled in the art will understand that the term user terminal encompasses any suitable type of wireless user equipment, such as mobile phones, portable data processing portable web browsers, or vehicle-mounted mobile stations.

[0290] Generally, the various embodiments of this application can be implemented in hardware or dedicated circuitry, software, logic, or any combination thereof. For example, some aspects can be implemented in hardware, while others can be implemented in firmware or software that can be executed by a controller, microprocessor, or other computing device, although this application is not limited thereto.

[0291] Embodiments of this application can be implemented by executing computer program instructions through the data processor of a mobile device, for example, in a processor entity, or through hardware, or through a combination of software and hardware. The computer program instructions can be assembly instructions, Instruction Set Architecture (ISA) instructions, machine instructions, machine-dependent instructions, microcode, firmware instructions, status setting data, or source code or object code written in any combination of one or more programming languages.

[0292] Any block diagram of logical flow in the accompanying drawings of this application may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions. The computer program may be stored on memory. The memory may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology, such as, but not limited to, read-only memory (ROM), random access memory (RAM), optical storage devices and systems (Digital Video Disc (DVD) or Compact Disk (CD), etc.). Computer-readable media may include non-transitory storage media. The data processor may be of any type suitable to the local technical environment, such as, but not limited to, general-purpose computers, special-purpose computers, microprocessors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and processors based on multi-core processor architectures.

[0293] A detailed description of exemplary embodiments of this application has been provided above through exemplary and non-limiting examples. However, various modifications and adjustments to the above embodiments will be apparent to those skilled in the art when considered in conjunction with the accompanying drawings and claims, without departing from the scope of this application. Therefore, the proper scope of this application will be determined by the claims.

Claims

1. An information determination method, applied to a first communication node, comprising: X synchronization signal groups are determined, wherein the X synchronization signal groups include at least one first type of synchronization signal group, and the first type of synchronization signal group includes at least two synchronization signals, and X is a positive integer greater than or equal to 1; Y target synchronization signal groups are determined from the X synchronization signal groups, where Y is a positive integer less than or equal to X; The information is determined based on the Y target synchronization signal groups, and the information includes at least one of the following: target signal information, control signaling information.

2. The method according to claim 1, wherein, The step of determining Y target synchronization signal groups from the X synchronization signal groups includes: Based on the measurement results of the synchronization signals and the setting information, the Y target synchronization signal groups are determined from the X synchronization signal groups; The configuration information includes at least one of the following: predetermined rules, predetermined features, the number of synchronization signals included in the synchronization signal group, and received signaling information.

3. The method according to claim 2, wherein, The predetermined feature is the feature that the measurement results of the synchronization signal in the target synchronization signal group satisfy.

4. The method according to claim 2, wherein, The predetermined rules include at least one of the following: Each of the Y target synchronization signal groups satisfies the predetermined characteristics; If none of the X synchronization signal groups satisfy the predetermined characteristics, Y synchronization signal groups are randomly selected from the X synchronization signal groups as target synchronization signal groups. If more than Y synchronization signal groups satisfy the predetermined characteristics, Y synchronization signal groups are determined from the synchronization signal groups that satisfy the predetermined characteristics according to the number of synchronization signals included in the synchronization signal groups. When the predetermined features include at least two predetermined features, a synchronization signal group that satisfies one of the predetermined features is determined from X synchronization signal groups. When the number of determined synchronization signal groups is greater than Y, a synchronization signal group that satisfies another predetermined feature is determined from the determined synchronization signal groups, and so on, until the number of determined synchronization signal groups is Y, and Y synchronization signal groups are obtained as the Y target synchronization signal groups.

5. The method according to claim 2, wherein, The predetermined feature includes at least one of the following: The measurement result of each synchronization signal in the synchronization signal group is greater than a first predetermined value; The difference between the measurement results of different synchronization signals in the synchronization signal group is less than the second predetermined value; The sum of the measurement results of the synchronization signals in the synchronization signal group is greater than the third predetermined value; The measurement results of all synchronization signals in the synchronization signal group satisfy the predetermined characteristics, wherein the predetermined characteristics include the characteristics satisfied by the combination of the measurement results of all synchronization signals.

6. The method according to claim 1, wherein, Determining information based on the Y target synchronization signal groups includes: determining the information based on at least one of the following: The Y target synchronization signal groups, the types of the Y target synchronization signal groups, the set of synchronization signals in the Y target synchronization signal groups, and the set of synchronization signal groups corresponding to the Y target synchronization signal groups.

7. The method according to claim 1 or 6, wherein, The information includes the first type of information; The different synchronization signal groups in the X synchronization signal groups each correspond to a set of values ​​for the first type of information.

8. The method according to claim 1 or 6, wherein, The information includes the second type of information; The different types of synchronization signal groups in the X synchronization signal groups each correspond to a set of values ​​for the second type of information.

9. The method according to claim 6, further comprising: The type of the synchronization signal group is determined according to at least one of the following: the number of synchronization signals included in the synchronization signal group, and the number of synchronization signal subgroups included in the synchronization signal group; The type of the synchronization signal group includes at least one of the following: a first type of synchronization signal group, a second type of synchronization signal group, wherein the second type of synchronization signal group includes 1 synchronization signal.

10. The method according to claim 1 or 6, wherein, The synchronization signals in the X synchronization signal groups belong to Z synchronization signal sets, and each of the Z synchronization signal sets includes at least one synchronization signal; Z is a positive integer greater than or equal to 1, and each of the Z synchronization signal sets includes a synchronization signal from one or more of the X synchronization signal groups.

11. The method according to claim 10, wherein, Each of the Z sets of synchronization signals corresponds to a set of values ​​for the third type of information.

12. The method of claim 11, comprising at least one of the following: Determine at least one set of synchronization signals in the Y target synchronization signal groups, wherein the information includes a third type of information corresponding to the determined at least one set of synchronization signals; When the first type of synchronization signal group is included in the Y target signal groups, the third type of information corresponding to the first type of synchronization signal group in the Y target synchronization signal groups is a set of values ​​of the third type of information corresponding to the first type of synchronization signal group. The information includes a set of values ​​of the third type of information corresponding to the first type of synchronization signal group, wherein the first type of synchronization signal group of the Z synchronization signal sets and the X synchronization signal groups respectively correspond to a set of values ​​of the third type of information. When the Y target signal groups include a second type of synchronization signal group, the third type of information corresponding to the second type of synchronization signal group in the Y target synchronization signal groups is a set of values ​​of the third type of information corresponding to the synchronization signal set in the second type of synchronization signal group. The information includes a set of values ​​of the third type of information corresponding to the synchronization signal set. The first type of synchronization signal group of the Z synchronization signal sets and the X synchronization signal groups respectively correspond to a set of values ​​of the third type of information. The second type of synchronization signal group includes only one synchronization signal.

13. The method according to claim 10, wherein, A different synchronization signal in the first type of synchronization signal group belongs to a different synchronization signal set in the Z sets of synchronization signals.

14. The method according to claim 1, wherein, The X groups of synchronization signals correspond to the same fourth type of information.

15. The method according to claim 14, wherein, The information includes the fourth type of information; The fourth type of information includes at least one of the following: frequency domain bandwidth index, logical cell index, and configuration unit index.

16. The method according to any one of claims 1 to 6 and 14, wherein, The X synchronization signal groups belong to at least one set of synchronization signal groups; wherein each of the at least one set of synchronization signal groups corresponds to a set of values ​​for the fifth type of information.

17. The method of claim 16, further comprising: Determine the set of synchronization signal groups corresponding to the Y target synchronization signal groups; The information includes a fifth type of information corresponding to the determined set of synchronization signal groups.

18. The method according to any one of claims 1 to 6 and 14, wherein, The target signal includes at least one of an uplink signal and a downlink signal; The uplink signal includes at least one of the following: uplink access signal, uplink resource request signal, uplink control channel signal, uplink data channel signal, uplink measurement reference signal, and uplink reference signal; The downlink signal includes at least one of the following: downlink synchronization signal, downlink control channel signal, downlink measurement reference signal, downlink reference signal, common downlink signal, downlink data channel signal, downlink common control channel signal, and downlink common data channel signal.

19. The method according to any one of claims 1 to 6 and 14, further comprising: The target signal is transmitted according to the information and the second communication node, and the transmission includes at least one of the following: sending and receiving.

20. The method according to any one of claims 1 to 6 and 14, further comprising: Based on the determined information, perform at least one of the following operations: receive the target signal, send the target signal, update the message, initiate a process, and detect the control channel.

21. The method according to any one of claims 1 to 6 and 14, wherein, Among the X synchronization signal groups, at least two synchronization signal groups exist, and the synchronization signals included in the at least two synchronization signal groups are the same, but the parameters of the synchronization signals are different.

22. The method according to claim 21, wherein, The parameters of the synchronization signal include the receiving parameters of the synchronization signal.

23. The method according to any one of claims 1 to 6 and 14, further comprising: Determine P synchronization signals, wherein the synchronization signal in each of the X synchronization signal groups is a synchronization signal among the P synchronization signals; The P synchronization signals satisfy at least one of the following characteristics: Each of the P synchronization signals corresponds to a set of values ​​in the sixth type of information, which includes the detection position of the common control channel. Among the P synchronization signals, at least one synchronization signal exists, and the at least one synchronization signal belongs to at least two of the X synchronization signal groups.

24. The method according to claim 23, wherein, The P synchronization signals satisfy at least one of the following: The at least two synchronization signal groups include the first type of synchronization signal group and the second type of synchronization signal group, and the second type of synchronization signal group includes only one synchronization signal; The common control channel is detected at the detection location of the common control channel. The common control channel includes indication information of at least one of the P synchronization signals corresponding to the common data channel scheduled by the common control channel. The at least one synchronization signal and the demodulation reference signal port of the common data channel satisfy a quasi-co-address relationship. The common control signal is detected at the detection location of the common control channel, and the information of the X synchronization signal groups is determined based on the detected common control channel.

25. The method according to any one of claims 1 to 6 and 14, wherein, The determination of X groups of synchronization signals includes: The X synchronization signal groups are determined based on at least one of the following information: the sequence information of the synchronization signals, the time domain resources where the synchronization signals are located, the frequency domain resources where the synchronization signals are located, the subcarrier spacing of the synchronization signals, and the control signaling received from the second communication node.

26. An information determination method, applied to a second communication node, comprising: Send at least one synchronization signal; A groups of synchronization signals are determined, each of the A groups of synchronization signals including one or more of the at least one synchronization signal, where A is a positive integer greater than or equal to 1; The information is determined based on the A groups of synchronization signals, and the information includes at least one of the following: information about the target signal, and control signaling information.

27. The method of claim 26, further comprising: The target signal from the first communication node is detected, and the information of the target signal is determined based on Y target synchronization signal groups out of the A synchronization signal groups, where Y is a positive integer less than or equal to A.

28. The method of claim 26, further comprising at least one of the following: The target signal is transmitted according to the determined information and the first communication node; The control signaling information is sent to the first communication node based on the determined information.

29. The method according to claim 26, wherein, The A synchronization signal groups correspond to A physical random access channel (PRACH) resource pools; the method further includes: Detect PRACH signals in each of the A PRACH resource pools.

30. The method according to claim 26, wherein, Information is determined based on the A groups of synchronization signals, including: The information is determined based on at least one of the following: the A synchronization signal groups, the type of the A synchronization signal groups, the set of synchronization signals in the A synchronization signal groups, and the set of synchronization signal groups corresponding to the A synchronization signal groups.

31. The method according to claim 30, wherein, The A groups of synchronization signals satisfy at least one of the following: The A sets of synchronization signal groups correspond to the A sets of values ​​for the first type of information; The types of asynchronous signal groups in the A synchronization signal groups each correspond to a set of values ​​for the second type of information; Z1 sets of the synchronization signals correspond to Z1 sets of third-class information, wherein the synchronization signals in the A sets of synchronization signals belong to the Z1 sets of synchronization signals, and each of the Z1 sets of synchronization signals includes the synchronization signals in one or more sets of synchronization signals.

32. The method according to any one of claims 26 to 31, wherein, The at least one synchronization signal belongs to P synchronization signals; The P synchronization signals belong to X synchronization signal groups, and the X synchronization signal groups include at least one first type synchronization signal group. The first type synchronization signal group includes at least two synchronization signals. The A synchronization signal groups are A synchronization signal groups among the X synchronization signal groups, where X is a positive integer greater than or equal to 1.

33. The method according to claim 32, wherein, The X groups of synchronization signals correspond to the same fourth type of information.

34. The method of claim 26, further comprising: Determine the set of synchronization signal groups corresponding to the A synchronization signal groups; The information includes a fifth type of information corresponding to the determined set of synchronization signal groups.

35. The method according to claim 32, wherein, The P synchronization signals satisfy at least one of the following: Each of the P synchronization signals corresponds to a set of values ​​in the sixth type of information, which includes the detection position of the common control channel. Among the P synchronization signals, at least one synchronization signal exists, and the at least one synchronization signal belongs to at least two of the X synchronization signal groups.

36. The method according to claim 32, wherein, Each of the P synchronization signals is sent by some or all of the multiple second communication nodes. Each of the multiple second communication nodes is determined to correspond to at least one synchronization signal and A groups of synchronization signals, wherein the value of A corresponding to different second communication nodes may be the same or different.

37. A first communication node, comprising: Memory, and one or more processors; The memory is configured to store one or more programs; When the one or more programs are executed by the one or more processors, the one or more processors implement the information determination method as described in any one of claims 1-25.

38. A second communication node, comprising: Memory, and one or more processors; The memory is configured to store one or more programs; When the one or more programs are executed by the one or more processors, the one or more processors implement the information determination method as described in any one of claims 26-36.

39. An information determination system, comprising: The first communication node as described in claim 37, and at least one second communication node as described in claim 38.

40. A computer-readable storage medium having a computer program stored thereon, wherein, When the program is executed by the processor, it implements the information determination method as described in any one of claims 1-36.

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