Measurement method, device, equipment and system based on orthogonal time frequency air conditioning OTFS

Abstract

The invention provides a measurement method, device, equipment and system based on orthogonal time-frequency air conditioning OTFS, and the method comprises the steps: a terminal receives first information, the first information is used for indicating a plurality of resource elements (REs) in a time delay Doppler (DD) domain, and according to the first information, the first information is used for indicating the plurality of REs in the DD domain; and performing radio resource management (RRM) measurement on the transmission reference signal. According to the method disclosed by the invention, the radio resource management RRM measurement based on the orthogonal time-frequency air conditioning OTFS can be effectively realized.

Description

Measurement method, device, equipment and system based on orthogonal time-frequency space modulation (OTFS) Technical Field

[0001] The present disclosure relates to the field of communication technology, and in particular to a measurement method, apparatus, device, and system based on orthogonal time-frequency space modulation (OTFS). Background Art

[0002] Orthogonal Time-Frequency Space (OTFS) was proposed to address the problem of high Doppler. In an OTFS system, data can first be mapped onto a two-dimensional grid in the Delay-Doppler (DD) domain. Then, using the Inverse Symplectic Finite Fourier Transform (ISFFT), the data is transformed to a two-dimensional grid in the Time-Frequency (TF) domain. Furthermore, the TF domain symbols can be transmitted via a multi-carrier system (Heisenberg transform). For example, Orthogonal Frequency Division Multiplexing (OFDM) can be used for transmission. After the OTFS time-domain signal passes through the impulse response h(τ, ν) of the time-varying channel (τ represents the delay parameter and ν represents the Doppler parameter), the receiver first transforms the received signal into the TF domain (Wigner transform) and then performs a Symplectic Finite Fourier Transform (SFFT) to restore the data to the DD domain. The grid points in the DD and TF domains can be collectively referred to as resource elements (REs). In the OTFS system, after the ISFFT transform, the data symbols on each RE in the DD domain are spread across all REs in the TF domain, meaning they experience the same frequency selectivity and time diversity of the TF domain REs. Therefore, all data symbols in the DD domain can be well approximated as experiencing the same time-invariant channel. This property directly impacts the reference signal design of the OTFS system. Ideally, the symbols received by the receiver in the DD domain are equal to the two-dimensional circular convolution of the DD domain symbols of the transmitter with the DD domain channel h(τ, ν).

[0003] Summary of the Invention

[0004] The embodiments of the present disclosure provide a measurement method, apparatus, device, chip system, storage medium, computer program and computer program product based on orthogonal time-frequency space modulation (OTFS), which can be applied in the field of communication technology to solve the technical problem that "the relevant technology does not support radio resource management (RRM) measurement based on orthogonal time-frequency space modulation (OTFS)".

[0005] The present disclosure proposes a measurement method and device, communication equipment, communication system, and storage medium based on orthogonal time-frequency space modulation (OTFS).

[0006] According to a first aspect of an embodiment of the present disclosure, a measurement method based on orthogonal time-frequency space modulation (OTFS) is proposed, which is executed by a terminal and includes: receiving first information, wherein the first information is used to indicate multiple resource units (REs) in a delay-Doppler (DD) domain; and performing radio resource management (RRM) measurement on a transmission reference signal based on the first information.

[0007] According to a second aspect of an embodiment of the present disclosure, a measurement method based on orthogonal time-frequency space modulation (OTFS) is proposed, which is executed by a network device and includes: sending first information, wherein the first information is used to indicate multiple resource units (RE) in a delay-Doppler (DD) domain, and performing radio resource management (RRM) measurement on a transmission reference signal.

[0008] According to a third aspect of an embodiment of the present disclosure, a measurement method based on orthogonal time-frequency space modulation (OTFS) is proposed, including: a network device sends first information, wherein the first information is used to indicate multiple resource units (RE) in a delay-Doppler (DD) domain; a terminal receives the first information and performs radio resource management (RRM) measurement on a transmission reference signal based on the first information.

[0009] According to a fourth aspect of an embodiment of the present disclosure, a measurement device based on orthogonal time-frequency space modulation (OTFS) is proposed, including: a transceiver module for receiving first information, wherein the first information is used to indicate multiple resource units (RE) in a delay-Doppler (DD) domain; and a processing module for performing radio resource management (RRM) measurement on a transmission reference signal based on the first information.

[0010] According to a fifth aspect of an embodiment of the present disclosure, a measurement device based on orthogonal time-frequency space modulation (OTFS) is proposed, including: a transceiver module for sending first information, wherein the first information is used to indicate multiple resource units (REs) in a delay-Doppler (DD) domain, and to perform radio resource management (RRM) measurements on a transmission reference signal.

[0011] According to a sixth aspect of an embodiment of the present disclosure, a communication device is proposed, comprising: one or more processors; wherein the processor is used to call instructions so that the communication device executes the measurement method based on orthogonal time-frequency space modulation (OTFS) of any one of the first aspect, the second aspect, and the third aspect.

[0012] According to a seventh aspect of an embodiment of the present disclosure, a communication system is proposed, characterized in that it includes a terminal and a network device, wherein the terminal is configured to implement the measurement method based on orthogonal time-frequency space modulation (OTFS) of the first aspect, and the network device is configured to implement the measurement method based on orthogonal time-frequency space modulation (OTFS) of the second aspect.

[0013] According to an eighth aspect of an embodiment of the present disclosure, a storage medium is proposed, which stores instructions, and is characterized in that when the instructions are executed on a communication device, the communication device executes a measurement method based on orthogonal time-frequency space modulation (OTFS) as described in any one of the first, second, and third aspects. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the background technology, the drawings required for use in the embodiments of the present disclosure or the background technology will be described below.

[0015] FIG1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure;

[0016] FIG2 is a schematic diagram of a protection interval of a DD domain in an embodiment of the present disclosure;

[0017] FIG3A is an interactive schematic diagram illustrating a measurement method based on orthogonal time-frequency modulation (OTFS) according to an embodiment of the present disclosure;

[0018] FIG3B is an interactive schematic diagram illustrating a measurement method based on orthogonal time-frequency modulation (OTFS) according to another embodiment of the present disclosure;

[0019] FIG4 is a schematic diagram of an RE for measuring RSSI in an embodiment of the present disclosure;

[0020] FIG5A is an interactive schematic diagram illustrating a measurement method based on orthogonal time-frequency modulation (OTFS) according to another embodiment of the present disclosure;

[0021] FIG5B is an interactive schematic diagram illustrating a measurement method based on orthogonal time-frequency modulation (OTFS) according to another embodiment of the present disclosure;

[0022] FIG5C is an interactive schematic diagram illustrating a measurement method based on orthogonal time-frequency modulation (OTFS) according to yet another embodiment of the present disclosure;

[0023] FIG5D is an interactive schematic diagram illustrating a measurement method based on orthogonal time-frequency modulation (OTFS) according to yet another embodiment of the present disclosure;

[0024] FIG5E is an interactive schematic diagram illustrating a measurement method based on orthogonal time-frequency modulation (OTFS) according to yet another embodiment of the present disclosure;

[0025] FIG6 is an interactive schematic diagram illustrating a measurement method based on orthogonal time-frequency modulation (OTFS) according to yet another embodiment of the present disclosure;

[0026] FIG7 is an interactive schematic diagram of a measurement method based on orthogonal time-frequency modulation (OTFS) according to yet another embodiment of the present disclosure;

[0027] FIG8A is a schematic structural diagram of a measurement device based on orthogonal time-frequency modulation (OTFS) according to an embodiment of the present disclosure;

[0028] FIG8B is a schematic structural diagram of a measurement device based on orthogonal time-frequency modulation (OTFS) according to an embodiment of the present disclosure;

[0029] FIG9A is a schematic structural diagram of a communication device proposed in an embodiment of the present disclosure;

[0030] FIG9B is a schematic diagram of the structure of the chip proposed in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0031] The disclosed embodiments provide a measurement method and apparatus, communication equipment, communication system, and storage medium based on orthogonal time-frequency null modulation (OTFS). In some embodiments, the terms "measurement method based on orthogonal time-frequency null modulation (OTFS)" and "information processing method" and "communication method" are interchangeable; the terms "measurement apparatus based on orthogonal time-frequency null modulation (OTFS)" and "information processing apparatus" and "communication apparatus" are interchangeable; and the terms "information processing system" and "communication system" are interchangeable.

[0032] The embodiments of the present disclosure are not exhaustive and are merely illustrative of some embodiments, and are not intended to be a specific limitation on the scope of protection of the present disclosure. In the absence of contradiction, each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged. In addition, the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, some or all steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0033] In each embodiment of the present disclosure, unless otherwise specified or provided for by logic, the terms and / or descriptions between the embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form a new embodiment based on their inherent logical relationships.

[0034] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.

[0035] In the embodiments of the present disclosure, unless otherwise specified, elements expressed in the singular, such as "a", "an", "the", "above", "said", "the", "the", etc., may mean "one and only one", or "one or more", "at least one", etc. For example, when using articles such as "a", "an", "the" in English in translation, the noun following the article may be understood as a singular expression or a plural expression.

[0036] In the embodiments of the present disclosure, “plurality” refers to two or more.

[0037] In some embodiments, the terms "at least one of", "at least one of", "at least one of", "one or more", "a plurality of", "multiple", etc. can be used interchangeably.

[0038] In the embodiments of the present disclosure, descriptions such as “at least one of A, B, C…”, “A and / or B and / or C…”, etc. include the situation where any one of A, B, C… exists alone, and also include any combination of any multiple of A, B, C…, and each situation can exist alone; for example, “at least one of A, B, C” includes the situation where A exists alone, B exists alone, C exists alone, the combination of A and B, the combination of A and C, the combination of B and C, and the combination of A, B, and C; for example, A and / or B includes the situation where A exists alone, B exists alone, and the combination of A and B.

[0039] In some embodiments, descriptions such as "in one case A, in another case B," or "in response to one case A, in response to another case B," may include the following technical solutions depending on the situation: executing A independently of B (in some embodiments, A); executing B independently of A (in some embodiments, B); selectively executing A and B (in some embodiments, selecting between A and B); and executing both A and B (in some embodiments, A and B). The same applies when there are more branches, such as A, B, and C.

[0040] The prefixes such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different description objects and do not constitute any restriction on the position, order, priority, quantity or content of the description objects. For the statement of the description object, please refer to the description in the context of the claims or embodiments, and no unnecessary restriction should be constituted due to the use of prefixes. For example, if the description object is a "field", the ordinal number before the "field" in the "first field" and the "second field" does not limit the position or order between the "fields". "First" and "second" do not limit whether the "fields" they modify are in the same message, nor do they limit the order of the "first field" and the "second field". For another example, if the description object is a "level", the ordinal number before the "level" in the "first level" and the "second level" does not limit the priority between the "levels". For another example, the number of description objects is not limited by the ordinal number and can be one or more. Taking "first device" as an example, the number of "devices" can be one or more. In addition, the objects modified by different prefixes can be the same or different. For example, if the description object is "device", then the "first device" and the "second device" can be the same device or different devices, and their types can be the same or different; for another example, if the description object is "information", then the "first information" and the "second information" can be the same information or different information, and their contents can be the same or different.

[0041] In some embodiments, “including A,” “comprising A,” “used to indicate A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0042] In some embodiments, terms such as "in response to...", "in response to determining...", "in the case of...", "at the time of...", "when...", "if...", "if...", etc. can be used interchangeably.

[0043] In some embodiments, terms such as "greater than", "greater than or equal to", "not less than", "more than", "more than or equal to", "not less than", "higher than", "higher than or equal to", "not less than", and "above" can be replaced with each other, and terms such as "less than", "less than or equal to", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", and "below" can be replaced with each other.

[0044] In some embodiments, devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. Terms such as "device", "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", and "subject" can be used interchangeably.

[0045] In some embodiments, "network" can be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).

[0046] In some embodiments, the terms "access network device (AN device)", "radio access network device (RAN device)", "base station (BS)", "radio base station" "fixed station", "node", "access point", "transmission point (TP)", "reception point (RP)", "transmission / reception point (TRP)", "panel", "antenna panel", "antenna array", "cell", "macro cell", "small cell", "femto cell", "pico cell", "sector", "cell group", "carrier", "component carrier", "bandwidth part (BWP)" and the like may be used interchangeably.

[0047] In some embodiments, the terms "terminal", "terminal device", "user equipment (UE)", "user terminal", "mobile station (MS)", "mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, etc. can be used interchangeably.

[0048] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

[0049] In some embodiments, data, information, etc. may be obtained with the user's consent.

[0050] In addition, each element, each row, or each column in the table of the embodiment of the present disclosure can be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns can also be implemented as an independent embodiment.

[0051] The correspondences shown in the tables of the present disclosure can be configured or predefined. The values ​​of the information in each table are merely examples and can be configured to other values, which are not limited by the present disclosure. When configuring the correspondences between information and parameters, it is not necessarily required to configure all the correspondences shown in each table. For example, in the tables of the present disclosure, the correspondences shown in certain rows may not be configured. For another example, appropriate deformation adjustments can be made based on the above tables, such as splitting, merging, etc. The names of the parameters shown in the titles of the above tables may also adopt other names that can be understood by the communication device, and the values ​​or representations of the parameters may also adopt other values ​​or representations that can be understood by the communication device. When implementing the above tables, other data structures may also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables, etc.

[0052] The predefined in the present disclosure may be understood as defined, predefined, stored, pre-stored, pre-negotiated, pre-configured, solidified, or pre-burned.

[0053] Figure 1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure. As shown in Figure 1, the communication system 100 may include a terminal 101 and a network device 102. The network device 102 may include at least one of an access network device and a core network device.

[0054] In some embodiments, the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited thereto.

[0055] In some embodiments, the access network device is, for example, a node or device that accesses a terminal to a wireless network. The access network device may include an evolved NodeB (eNB) in a 5G communication system, a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved nodeB (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a WiFi system, but is not limited thereto.

[0056] In some embodiments, the technical solution of the present disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can be transformed into internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.

[0057] In some embodiments, the access network device can be composed of a centralized unit (CU) and a distributed unit (DU), where the CU can also be called a control unit. The CU-DU structure can be used to split the protocol layer of the access network device, with the functions of some protocol layers centrally controlled by the CU, and the functions of the remaining part or all of the protocol layers distributed in the DU, which is centrally controlled by the CU, but is not limited to this.

[0058] In some embodiments, a core network device may be a single device comprising one or more network elements, or may be a plurality of devices or device groups, each comprising all or part of one or more network elements. A network element may be virtual or physical. The core network may, for example, comprise at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), or a Next Generation Core (NGC).

[0059] It can be understood that the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure. Ordinary technicians in this field can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.

[0060] The following embodiments of the present disclosure may be applied to the communication system 100 shown in Figure 1, or a portion thereof, but are not limited thereto. The entities shown in Figure 1 are illustrative only. The communication system may include all or part of the entities shown in Figure 1, or may include other entities outside of Figure 1. The number and form of the entities may be arbitrary. The connection relationship between the entities is illustrative only. The entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.

[0061] The embodiments of the present disclosure can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), future radio access (FRA), new radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) networks, Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X), systems utilizing other communication methods, and next-generation systems based on and extending these methods. Furthermore, multiple systems may be combined (for example, a combination of LTE or LTE-A with 5G).

[0062] Alternatively, in an OTFS system, due to its two-dimensional cyclic convolution characteristics in the DD domain, at the receiving end, any DD domain symbol is spread across multiple DD domain REs. Therefore, it is necessary to perform radio resource management (RRM) measurements based on OTFS.

[0063] In the embodiment of the present disclosure, in the OTFS system, when a reference signal is transmitted based on multipath of the channel h(τ, ν), the energy of the reference signal is dispersed over the multipath of the channel. By collecting the multipath energy, a more accurate measurement result can be obtained, thereby supporting effective wireless resource management.

[0064] Optionally, due to the two-dimensional circular convolution characteristics of OTFS in the DD domain, any DD domain data symbol is spread across multiple DD domain REs. Specifically, assuming that the channel h(τ, ν) includes Q paths (each path can have different delay and / or Doppler), each DD domain data symbol is spread across P (P can be greater than or equal to Q) DD domain REs. The delay value range of each path is [0, τ max ], the range of the Doppler frequency shift of each path is [-ν max , ν max ], τ max is the maximum delay, ν max is the maximum Doppler shift. On the one hand, for a DD domain data symbol, the energy spread across P stripe paths can be collected, thereby improving the reception performance of that DD domain data symbol. On the other hand, if a DD domain data symbol is spread across P DD domain REs and allocated to other channels, it will cause interference between channels. To eliminate the impact of the aforementioned two-dimensional cyclic convolution characteristics, guard intervals can be inserted between different channels and / or signals. The DD domain REs occupied by the guard interval do not carry any signals, or in other words, the symbols carried are zeros.

[0065] Optionally, as shown in FIG2, FIG2 is a schematic diagram of the guard interval of the DD domain in an embodiment of the present disclosure. In FIG2, the reference signal (RS) to be protected is represented by P, which is located at RE (l p , k p ). In Figure 2, a square can represent one or more REs in the DD domain. L and 2K are the number of single-side sample points of the protection interval in the delay dimension and Doppler dimension, respectively. When configuring the protection interval around the RS, two aspects of influence can be considered. On the one hand, for an RS symbol, the reception performance is improved by collecting the energy of the path spread to the protection interval (represented by the grid in Figure 2). On the other hand, the configured protection interval can prevent the multipath of other channels, at least the energy of the relatively strong path (white grid in Figure 2), from interfering with the reception of the RS. Of course, there may be other terminals that collect the energy of their multipath in these protection intervals (white grids in Figure 2).

[0066] FIG3A is an interactive diagram illustrating a measurement method based on orthogonal time-frequency space modulation (OTFS) according to an embodiment of the present disclosure. As shown in FIG3A , the embodiment of the present disclosure relates to a measurement method based on orthogonal time-frequency space modulation (OTFS), which can be used in a communication system 100. The method includes:

[0067] Step S3101: The network device sends first information.

[0068] The first information is used to indicate multiple resource units RE in a delay-Doppler (DD) domain and to perform radio resource management (RRM) measurement on a transmission reference signal.

[0069] In some embodiments, the network device may send first information to the terminal to indicate multiple resource units RE in the delay Doppler DD domain, and the multiple resource units RE may be used by the terminal to perform radio resource management RRM measurements on the transmission reference signal. The reference signal may be transmitted by the network device to the terminal, based on orthogonal time-frequency space modulation OTFS. When the network device transmits the reference signal, it modulates the data symbol of the reference signal into the DD domain for transmission. Then, the reference signal occupies one or more REs in the DD domain, as shown in FIG2 above. The one or more REs occupied by the reference signal can be represented by a square in FIG2, and specifically, for example, it can be represented by P in FIG2. Then, the multiple resource units RE may be REs in the DD domain in FIG2.

[0070] In some embodiments, the network device indicates multiple resource units RE in a delay-Doppler (DD) domain to the terminal. The terminal may collect multipath energy on the multiple REs indicated by the network device to perform RRM measurement on the transmission reference signal.

[0071] In some embodiments, the RE may include at least one of the RE occupied by the reference signal and the RE receiving the multipath energy of the reference signal in the protection interval of the reference signal, so as to effectively collect the multipath energy of the reference signal spread into the protection interval to support the improvement of the accuracy of the RRM measurement.

[0072] For example, as shown in FIG2 , RE may be one or more REs in the square represented by P in FIG2 and / or the square represented by the dotted line.

[0073] In some embodiments, the power of the RS can be increased because a guard interval is added around it. When the multipath energy of the reference signal diffused into the guard interval is collected for RRM measurement, the accuracy of the RS-based RRM measurement can be effectively improved.

[0074] For example, the energy per resource element (EPRE) of the RS is increased by S times relative to the reference channel and / or signal, where S is the power boost factor. The above-mentioned reference channel and / or signal can be a secondary synchronization signal (SSS), a demodulation reference signal (DMRS) of a PBCH, or the data portion of a physical broadcast channel (PBCH). The above-mentioned reference channel and / or signal can also generally refer to the data portion of a general physical downlink shared channel (PDSCH).

[0075] Step S3102: The terminal receives the first information.

[0076] In some embodiments, the terminal may receive first information sent by the network device, and clarify the multiple resource units RE indicated by the network device based on the first information.

[0077] In this embodiment, the terminal may measure parameters such as the reference signal received power (RSRP), the layer 1 reference signal received power (L1-RSRP), and the layer 1 signal to interference plus noise ratio (L1-SINR) based on at least one of the REs occupied by the reference signal and the REs receiving the multipath energy of the reference signal in the guard interval of the reference signal. RSRP, L1-RSRP, and L1-SINR may represent the measurement results of the RRM measurement of the transmitted reference signal.

[0078] Step S3103: The terminal determines, based on the first information, a candidate measurement value of at least one candidate path related to a channel for transmitting a reference signal.

[0079] In some embodiments, after receiving the first information, the terminal can measure the candidate measurement value of each candidate path related to the channel for transmitting the reference signal by using at least one of the REs occupied by the reference signal and the REs receiving the multipath energy of the reference signal in the protection interval of the reference signal. The candidate measurement value can be used to determine the measurement result of the RRM measurement of the transmitted reference signal.

[0080] In some embodiments, the channel for transmitting the reference signal may include multiple paths, and the terminal may further determine, based on certain criteria, whether each path is suitable for determining parameters such as RSRP, L1-RSRP, and L1-SINR. For example, the terminal may refer to the candidate measurement value obtained by measuring each candidate path to determine whether the corresponding candidate path is suitable for determining parameters such as RSRP, L1-RSRP, and L1-SINR.

[0081] In some embodiments, the candidate measurement value may be, for example, a channel gain or a channel energy obtained by measuring the candidate path.

[0082] Step S3104: The terminal determines a target path from at least one candidate path based on at least one candidate measurement value.

[0083] In some embodiments, the terminal may refer to each candidate measurement value to determine whether the corresponding candidate path can be used as a target path, where the target path refers to a candidate path suitable for performing RRM measurements on a transmission reference signal.

[0084] In some embodiments, if the candidate measurement value is greater than or equal to the measurement value threshold, the candidate path to which the candidate measurement value belongs is used as the target path, thereby improving the accuracy of target path selection so that the selected target path can effectively support RRM measurement.

[0085] In some embodiments, a measurement value threshold refers to a threshold value of a candidate measurement value that determines whether a candidate path is suitable for performing RRM measurements on a transmission reference signal. The measurement value threshold may be preconfigured or predefined. For example, each candidate measurement value may be compared with a measurement value threshold. If the candidate measurement value is greater than or equal to the measurement value threshold, the candidate path to which the candidate measurement value belongs is selected as the target path.

[0086] In some embodiments, if there are multiple candidate measurement values, the multiple candidate measurement values ​​can be sorted from large to small, and a target number of candidate measurement values ​​ranked first are selected from the multiple candidate measurement values ​​obtained by sorting, and the candidate path to which each candidate measurement value in the target number of candidate measurement values ​​belongs is used as the target path, thereby improving the accuracy and flexibility of the target path selection, so that the selected target number of target paths can effectively support RRM measurement.

[0087] In some embodiments, the target number may be predefined or preconfigured. For example, a target number of candidate measurements with higher strengths may be selected from a plurality of candidate measurements, and a target number of candidate paths corresponding to the higher strengths may be used as the target paths.

[0088] In some embodiments, at least one candidate measurement value among the plurality of candidate measurement values ​​is greater than or equal to a measurement value threshold, thereby ensuring that the selected target path supports accurate RRM measurement.

[0089] In some embodiments, it is also possible to first select some candidate paths that are greater than or equal to a measurement value threshold from multiple candidate measurement values, and then select a target number of candidate measurement values ​​ranked first from the partial candidate path that are greater than or equal to the measurement value threshold, and use the candidate path to which each candidate measurement value in the target number of candidate measurement values ​​belongs as the target path.

[0090] In some embodiments, some candidate paths with a target number of values ​​ranked first and having a value greater than or equal to a measurement value threshold may be selected from a plurality of candidate measurement values ​​as target paths.

[0091] Of course, the target path may be selected from a plurality of candidate measurement values ​​by referring to the measurement value threshold and / or the number of targets in any other possible manner, and there is no limitation to this.

[0092] In some embodiments, the terminal may determine the measurement value threshold based on its own capabilities. Alternatively, the terminal may also receive second information and determine the measurement value threshold based on the second information. The second information may be sent to the terminal by a network device, i.e., the network device indicates the measurement value threshold to the terminal, thereby enabling the terminal to effectively and promptly obtain an appropriate measurement value threshold to support determination of the target path from at least one candidate path.

[0093] In some embodiments, the second information of the terminal may specifically be used to indicate a multiple of the measurement value threshold relative to the reference measurement value. After receiving the second information, the terminal may obtain the multiple from the second information and determine the measurement value threshold based on the reference measurement value and the multiple. For example, the reference measurement value may be, for example, a noise standard deviation, which may be expressed as σ. The measurement value threshold may then be expressed as cσ. The base station may configure parameter c for the UE's channel measurement, where c may be an optional example of a multiple.

[0094] In some embodiments, if the number of candidate measurement values ​​is greater than the target number, the candidate measurement values ​​may be sorted from largest to smallest, and the target number of candidate measurement values ​​ranked first among the sorted candidate measurement values ​​may be selected to support the optimal selection of a target path from the multiple candidate measurement values. If it is determined that the number of candidate measurement values ​​is less than or equal to the target number, the candidate path to which each candidate measurement value belongs may be used as the target path. This effectively adapts to personalized communication scenarios and can effectively enhance the flexibility of RRM measurements based on OTFS.

[0095] In some embodiments, the terminal may determine the number of targets based on its own capabilities. Alternatively, the terminal may receive third information and determine the number of targets based on the third information. The third information may be sent to the terminal by a network device, i.e., the network device indicates the number of targets to the terminal, thereby enabling the terminal to effectively and promptly obtain an appropriate number of targets to support determination of the target path from at least one candidate path.

[0096] In some embodiments, the terminal may determine a sum A of multiple candidate measurement values ​​exceeding a measurement value threshold, determine a product value A*Y% of the sum A and a target ratio value Y%, sort the multiple candidate measurement values ​​from largest to smallest, select a portion of the candidate measurement values ​​ranked higher from the sorted multiple candidate measurement values, where the sum of the portion of the candidate measurement values ​​is greater than or equal to the product value A*Y%, and use the candidate path to which each candidate measurement value in the portion of the candidate measurement values ​​belongs as the target path. This improves the accuracy and flexibility of target path selection, so that the selected target number of target paths can effectively support RRM measurements.

[0097] For example, using multiple candidate measurement values ​​including candidate measurement value 1, candidate measurement value 2, candidate measurement value 3, and candidate measurement value 4 as an example, a sum A of candidate measurement values ​​1, candidate measurement value 2, candidate measurement value 3, and candidate measurement value 4 can be first determined. This sum A is obtained by summing candidate measurement values ​​1, candidate measurement value 2, candidate measurement value 3, and candidate measurement value 4. Then, assuming a preset or predefined target ratio value Y%, the sum A is multiplied by the target ratio value Y% to obtain a product value A*Y%, where "*" represents a product. The multiple candidate measurement values ​​can then be sorted from largest to smallest, and a portion of the candidate measurement values ​​ranked higher in the sorted plurality of candidate measurement values ​​is selected, where the sum of the candidate measurement values ​​is greater than or equal to the product value A*Y%. Furthermore, the candidate path to which each candidate measurement value in the portion of candidate measurement values ​​(e.g., candidate measurement value 2, candidate measurement value 3, and candidate measurement value 4) belongs is selected as the target path.

[0098] In some embodiments, the target ratio value may be predefined or preconfigured.

[0099] In some embodiments, the terminal may determine a predefined target ratio value. Alternatively, the terminal may determine the target ratio value based on fourth information. In some embodiments, the terminal may also receive fourth information and determine the target ratio value based on the fourth information. This fourth information may be sent to the terminal by a network device, i.e., the network device indicates the target ratio value to the terminal. This enables the terminal to efficiently and promptly obtain an appropriate target ratio value to support the determination of the target path from at least one candidate path.

[0100] Step S3105: The terminal performs RRM measurement on the transmission reference signal according to the target path.

[0101] In some embodiments, after determining a target path from at least one candidate path based on the above steps, the terminal may perform RRM measurement on the transmission reference signal according to one or more target paths.

[0102] In some embodiments, the terminal may determine multiple target paths and their corresponding target measurement values, and determine a measurement result of performing RRM measurement on the transmission reference signal based on the multiple target measurement values. The measurement value corresponding to the target path may be referred to as the target measurement value, and the target measurement value may be, for example, a channel gain or channel energy.

[0103] In some embodiments, the terminal may determine a target measurement value corresponding to each target path based on at least one of the REs occupied by the reference signal and the REs receiving the multipath energy of the reference signal in the guard interval of the reference signal, and determine parameters such as RSRP, L1-RSRP, and L1-SINR based on multiple target measurement values ​​to characterize the measurement results of the RRM measurement of the transmitted reference signal.

[0104] In some embodiments, the target measurement value is channel gain or channel energy.

[0105] In some embodiments, each target path corresponds to a channel gain. For multiple target paths, the multiple channel gains corresponding to the multiple target paths can be calculated to determine the sum energy and / or average energy and / or the proportional energy between the sum energy and the power boost factor of the multiple target paths, and the sum energy and / or average energy and / or proportional energy are used as measurement results.

[0106] In some embodiments, operations are performed on multiple channel gains corresponding to multiple target paths to determine the sum energy of the multiple target paths, or the average energy of the multiple target paths, or the proportional energy between the sum energy of the multiple target paths and the power boost factor, or the sum energy and the average energy of the multiple target paths and the proportional energy between the sum energy and the power boost factor, etc.

[0107] Thus, based on multiple channel gains or multiple channel energies corresponding to multiple target paths, the sum energy and / or average energy and / or the proportional energy between the sum energy and the power boost factor of the multiple target paths can be calculated to characterize the measurement results of the RRM measurement, which can improve the accuracy and flexibility of the RRM measurement and effectively apply to personalized OTFS scenarios.

[0108] In some embodiments, the power boost factor may be expressed as S, which may indicate that the energy per resource element (EPRE) of the RS is increased by S times relative to a reference channel and / or signal.

[0109] In some embodiments, the power boost factor is determined based on at least one of the following: broadcast signaling configuration; radio resource control (RRC) signaling configuration; and the number of REs occupied by the reference signal and the number of REs receiving multipath energy of the reference signal in the reference signal guard interval. The power boost factor can be accurately determined to support accurate calculation of RRM measurement results.

[0110] In some embodiments, in order to further improve the accuracy of RRM measurement, the network device may send multiple reference signals, and the terminal may perform RRM measurement based on the multiple reference signals.

[0111] In some embodiments, multiple reference signals can be grouped and configured. For example, a group containing one or more reference signals can be referred to as a signal group. Multiple signal groups can be set, and RRM measurements can be performed based on the multiple signal groups. The number of multiple candidate paths corresponding to each signal group can be the same or different. In addition, at least one target path can be determined for each signal group based on the above-mentioned method of determining the target path from multiple candidate paths. The number of at least one target path corresponding to different signal groups can be the same or different. The specific configuration can be personalized according to the needs of the actual communication scenario, thereby effectively improving the accuracy and flexibility of the RRM measurement.

[0112] In some embodiments, there are multiple reference signals, different reference signals belong to the same signal group or different signal groups, the number of signal groups is greater than 1, each signal group corresponds to multiple target paths, and the number of multiple target paths between different signal groups is the same or different.

[0113] In some embodiments, if multiple signal groups are configured and each signal group corresponds to multiple target paths, RRM measurements may be performed on the transmission reference signal based on the multiple target paths corresponding to each signal group to support effective RRM measurements.

[0114] In some embodiments, the terminal may determine a target measurement value for each target path corresponding to each signal group, determine a group measurement result for the corresponding signal group based on the multiple target measurement values, and determine a measurement result of performing RRM measurements on the transmission reference signal based on the multiple group measurement results, thereby accurately and efficiently determining the measurement result of performing RRM measurements on the transmission reference signal.

[0115] For example, if each signal group corresponds to multiple target paths, a target measurement value is obtained in advance for each path. The target measurement value can be, for example, a channel gain. Then, based on the multiple target measurement values ​​of signal group A, the measurement result corresponding to signal group A can be determined. This measurement result can be called a group measurement result. Based on the multiple target measurement values ​​of signal group B, the group measurement result corresponding to signal group B can be determined. Similarly, the group measurement result corresponding to each signal group is determined. After obtaining the multiple group measurement results, the multiple group measurement results can be processed accordingly to obtain the measurement result of the RRM measurement of the transmission reference signal.

[0116] In some embodiments, in order to improve the flexibility and practicality of RRM measurement of the transmission reference signal, another method of combining multiple signal groups to perform RRM measurement can also be provided. The terminal can determine the intermediate measurement results corresponding to the same target path based on the target measurement values ​​of the same target path between multiple signal groups, and determine the measurement results of the RRM measurement of the transmission reference signal based on the multiple intermediate measurement results.

[0117] Each signal group may correspond to at least one target path, and different signal groups may contain the same target path.

[0118] For example:

[0119] Signal group A includes target path 1, target path 2, and target path 3.

[0120] Signal group B includes target path 2, target path 3, and target path 5.

[0121] Then target path 2 and target path 3 are the same target paths between signal group A and signal group B.

[0122] Another example:

[0123] Signal group A includes target path 1 and target path 2.

[0124] Signal group B includes target path 1 and target path 2.

[0125] Then signal group A and signal group B contain the same multipath, and target path 1 and target path 2 are the same target paths between signal group A and signal group B.

[0126] For the above example, multiple signal groups can be analyzed to determine multiple identical target diameters belonging to this situation. In addition, the same target diameter can belong to different signal groups at the same time, and the same target diameter corresponding to different signal groups will have different target measurement values.

[0127] For example, target path 2 belongs to both signal group A and signal group B. In signal group A, the target measurement value of target path 2 is A2, and in signal group B, the target measurement value of target path 2 is B2. Then, multiple target measurement values ​​corresponding to the same target path can be calculated, and the calculation results can be used as the intermediate measurement results of the same target path.

[0128] Therefore, in the case where there are multiple identical target paths, each identical target path corresponds to an intermediate measurement result. Further, the measurement result of the RRM measurement performed on the transmission reference signal can be determined based on the multiple intermediate measurement results.

[0129] In some embodiments, the target measurement is channel gain.

[0130] In some embodiments, the terminal may determine multiple channel gains corresponding to each identical target path, average the multiple channel gains to obtain an average channel gain, and use the average channel gain as an intermediate measurement result. The terminal may then determine a measurement result for performing RRM measurements on the transmission reference signal based on the multiple average channel gains.

[0131] The measurement method based on orthogonal time-frequency space modulation (OTFS) involved in the embodiments of the present disclosure may include at least one of steps S3101 to S3105. For example, step S3101 can be implemented as an independent embodiment, step S3102 can be implemented as an independent embodiment, and so on, but are not limited thereto. Steps S3101+S3102 can be implemented as independent embodiments, and steps S3101+S3102+S3103 can be implemented as independent embodiments, but are not limited thereto.

[0132] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0133] Therefore, in this embodiment, the network device sends the first information, and the terminal determines the candidate measurement value of at least one candidate path related to the channel for transmitting the reference signal based on the first information, and determines the target path from the at least one candidate path based on the at least one candidate measurement value, and performs RRM measurement on the transmission reference signal based on the target path, thereby effectively realizing wireless resource management RRM measurement based on OTFS.

[0134] FIG3B is an interactive diagram illustrating a measurement method based on orthogonal time-frequency space modulation (OTFS) according to another embodiment of the present disclosure. As shown in FIG3B , the embodiment of the present disclosure relates to a measurement method based on orthogonal time-frequency space modulation (OTFS), which can be used in a communication system 100. The method includes:

[0135] Step S3201: The network device sends first information.

[0136] In this embodiment, the terminal may measure a received signal strength indicator (RSSI), and use the measured RSSI as a measurement result of the RRM measurement.

[0137] The first information is used to indicate multiple resource units RE in a delay-Doppler (DD) domain.

[0138] In some embodiments, when measuring RSSI, the REs indicated by the network device may include at least one of the following: semi-statically configured REs, all REs in the DD domain, REs occupied by reference signals, all REs outside the protection interval in the DD domain, REs outside the protection interval and adjacent to the REs included in the protection interval, and REs that receive multipath energy of the reference signal in the protection interval of the reference signal, thereby effectively improving the accuracy of the RSSI measurement and accurately characterizing the measurement results of the RRM measurement.

[0139] In some embodiments, the semi-statically configured REs may be configured by a network device. The semi-statically configured REs may be, for example, one or more REs in the DD domain shown in FIG4 . The semi-statically configured REs and other REs may be overlapping or non-overlapping REs, and the other REs include at least one of: REs occupied by reference signals, all REs outside the guard interval in the DD domain, REs outside the guard interval and adjacent to the REs included in the guard interval, and REs that receive multipath energy of the reference signal in the guard interval of the reference signal. When the network device semi-statically configures REs for the terminal, the terminal may directly determine the semi-statically configured REs from the DD domain based on the configuration of the network device.

[0140] Figure 4 is a schematic diagram of REs used to measure RSSI in an embodiment of the present disclosure. Figure 4 illustrates RSSI measurement using REs located outside and adjacent to the guard interval of an RS. In Figure 4, REs marked with gray squares are generally allocated to other data or control channels, so that the energy on these REs better reflects the signal strength from the local cell and neighboring cells.

[0141] Step S3202: The terminal receives first information.

[0142] Step S3203: The terminal determines the energy received on each RE.

[0143] In some embodiments, referring to FIG. 4 , the terminal may determine the received energy of each RE marked with gray squares shown in FIG. 4 , and determine the measurement result of the RRM measurement based on the received energy on multiple REs.

[0144] It can be explained that, in this embodiment, the energy received by the terminal on each RE may be the energy of the channel transmitting the reference signal, or may be the energy diffused by other channels and / or signals, and there is no limitation on this.

[0145] In step S3204, the terminal determines an average energy of the multiple energies, and uses the average energy as a measurement result of the RRM measurement.

[0146] In some embodiments, the terminal determines the energy received on each RE, and may average multiple energies to obtain an average energy, and use the average energy as a measurement result for performing RRM measurement.

[0147] The measurement method based on orthogonal time-frequency space modulation (OTFS) involved in the embodiments of the present disclosure may include at least one of steps S3201 to S3204. For example, step S3201 can be implemented as an independent embodiment, step S3202 can be implemented as an independent embodiment, and so on, but are not limited to this. Steps S3201+S3202 can be implemented as independent embodiments, and steps S3201+S3202+S3203 can be implemented as independent embodiments, but are not limited to this.

[0148] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0149] Therefore, in this embodiment, the network device sends the first information, the terminal receives the first information, determines the energy received on each RE based on the first information, determines the average energy of multiple energies, and uses the average energy as the measurement result of the RRM measurement, thereby effectively realizing wireless resource management measurement based on OTFS.

[0150] Figure 5A is an interactive diagram of a measurement method based on orthogonal time-frequency space modulation (OTFS) according to another embodiment of the present disclosure. As shown in Figure 5A, the embodiment of the present disclosure relates to a measurement method based on orthogonal time-frequency space modulation (OTFS), which can be used in a terminal. The method includes:

[0151] Step S5101: Receive first information, where the first information is used to indicate a plurality of resource units RE in a delay-Doppler (DD) domain.

[0152] Step S5102: Perform radio resource management RRM measurement on the transmission reference signal according to the first information.

[0153] The measurement method based on orthogonal time-frequency space modulation (OTFS) involved in the embodiments of the present disclosure may include at least one of steps S5101 and S5102. For example, step S5101 can be implemented as an independent embodiment, step S5102 can be implemented as an independent embodiment, and so on, but is not limited thereto. Steps S5101+S5102 can be implemented as independent embodiments, but are not limited thereto.

[0154] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0155] Figure 5B is an interactive diagram of a measurement method based on orthogonal time-frequency space modulation (OTFS) according to another embodiment of the present disclosure. As shown in Figure 5B, the embodiment of the present disclosure relates to a measurement method based on orthogonal time-frequency space modulation (OTFS), which can be used in a terminal. The method includes:

[0156] Step S5201: Receive first information, where the first information is used to indicate a plurality of resource units RE in a delay-Doppler (DD) domain.

[0157] Step S5202: Determine, based on the first information, a candidate measurement value of at least one candidate path related to a channel for transmitting a reference signal.

[0158] Step S5203: Determine a target path from at least one candidate path based on at least one candidate measurement value.

[0159] Step S5204: Perform RRM measurement on the transmission reference signal according to the target path.

[0160] The measurement method based on orthogonal time-frequency space modulation (OTFS) involved in the embodiments of the present disclosure may include at least one of steps S5201 to S5204. For example, step S5201 can be implemented as an independent embodiment, step S5202 can be implemented as an independent embodiment, and so on, but is not limited thereto. Steps S5201+S5202 can be implemented as independent embodiments, but are not limited thereto.

[0161] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0162] Figure 5C is an interactive diagram of a measurement method based on orthogonal time-frequency space modulation (OTFS) according to another embodiment of the present disclosure. As shown in Figure 5C, the embodiment of the present disclosure relates to a measurement method based on orthogonal time-frequency space modulation (OTFS), which can be used in a terminal. The method includes:

[0163] Step S5301: Receive first information, where the first information is used to indicate a plurality of resource units RE in a delay-Doppler (DD) domain.

[0164] Step S5302: Determine candidate measurement values ​​of multiple candidate paths related to a channel for transmitting a reference signal according to the first information.

[0165] Step S5303: Determine a target path from multiple candidate paths based on multiple candidate measurement values.

[0166] Step S5304: determine multiple target paths and their corresponding target measurement values.

[0167] Step S5305: Determine a measurement result of performing RRM measurement on the transmission reference signal according to multiple target measurement values.

[0168] The measurement method based on orthogonal time-frequency space modulation (OTFS) involved in the embodiments of the present disclosure may include at least one of steps S5301 to S5305. For example, step S5301 can be implemented as an independent embodiment, step S5302 can be implemented as an independent embodiment, and so on, but is not limited thereto. Steps S5301+S5302 can be implemented as independent embodiments, but are not limited thereto.

[0169] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0170] Figure 5D is an interactive diagram of a measurement method based on orthogonal time-frequency space modulation (OTFS) according to another embodiment of the present disclosure. As shown in Figure 5D, the embodiment of the present disclosure relates to a measurement method based on orthogonal time-frequency space modulation (OTFS), which can be used in a terminal. The method includes:

[0171] Step S5401: Receive first information, where the first information is used to indicate a plurality of resource units RE in a delay-Doppler (DD) domain.

[0172] Step S5402: Determine, based on the first information, candidate measurement values ​​of multiple candidate paths related to the channel for transmitting the reference signal, where the number of reference signals is multiple, different reference signals belong to the same signal group or different signal groups, the number of signal groups is greater than 1, each signal group corresponds to multiple target paths, and the number of multiple target paths between different signal groups is the same or different.

[0173] Step S5403: Determine a target path from multiple candidate paths based on multiple candidate measurement values.

[0174] Step S5404: Perform RRM measurement on the transmission reference signal according to the multiple target paths corresponding to each signal group.

[0175] The measurement method based on orthogonal time-frequency space modulation (OTFS) involved in the embodiments of the present disclosure may include at least one of steps S5401 to S5404. For example, step S5401 can be implemented as an independent embodiment, step S5402 can be implemented as an independent embodiment, and so on, but is not limited thereto. Steps S5401+S5402 can be implemented as independent embodiments, but are not limited thereto.

[0176] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0177] Figure 5E is an interactive diagram of a measurement method based on orthogonal time-frequency space modulation (OTFS) according to another embodiment of the present disclosure. As shown in Figure 5E, the embodiment of the present disclosure relates to a measurement method based on orthogonal time-frequency space modulation (OTFS), which can be used in a terminal. The method includes:

[0178] Step S5501: Receive first information, where the first information is used to indicate a plurality of resource units RE in a delay-Doppler (DD) domain.

[0179] Step S5502: Determine the energy received on each RE.

[0180] Step S5503: determine the average energy of the multiple energies, and use the average energy as the measurement result of the RRM measurement.

[0181] The measurement method based on orthogonal time-frequency space modulation (OTFS) involved in the embodiments of the present disclosure may include at least one of steps S5501 to S5503. For example, step S5501 can be implemented as an independent embodiment, step S5502 can be implemented as an independent embodiment, and so on, but is not limited thereto. Steps S5501+S5502 can be implemented as independent embodiments, but are not limited thereto.

[0182] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0183] Figure 6 is an interactive diagram of a measurement method based on orthogonal time-frequency space modulation (OTFS) according to another embodiment of the present disclosure. As shown in Figure 6, the embodiment of the present disclosure relates to a measurement method based on orthogonal time-frequency space modulation (OTFS), which can be used in network equipment. The method includes:

[0184] Step S6101: Send first information, where the first information is used to indicate a plurality of resource units RE in a delay Doppler DD domain and perform radio resource management RRM measurement on a transmission reference signal.

[0185] The measurement method based on orthogonal time-frequency space modulation (OTFS) involved in the embodiment of the present disclosure may include step S6101. For example, step S6101 may be implemented as an independent embodiment, but is not limited thereto.

[0186] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0187] In some embodiments of the present disclosure, RE includes at least one of the following:

[0188] REs occupied by the reference signal;

[0189] The RE that receives the multipath energy of the reference signal in the guard interval of the reference signal.

[0190] In some embodiments, the network device may indicate to the terminal at least one of the REs occupied by the reference signal and the REs receiving the multipath energy of the reference signal in the protection interval of the reference signal to support the terminal in performing RRM measurement. In this case, the measurement results of the RRM measurement may be, for example, parameters such as RSRP, L1-RSRP, and L1-SINR.

[0191] In some embodiments of the present disclosure, RE includes at least one of the following:

[0192] Semi-statically configured RE;

[0193] All REs in the DD domain;

[0194] REs occupied by the reference signal;

[0195] All REs outside the guard interval in the DD domain;

[0196] REs located outside the guard interval and adjacent to REs included in the guard interval;

[0197] The RE that receives the multipath energy of the reference signal in the guard interval of the reference signal.

[0198] In some embodiments, the network device may indicate to the terminal at least one of the semi-statically configured REs, all REs in the DD domain, REs occupied by reference signals, all REs outside the protection interval in the DD domain, REs outside the protection interval and adjacent to the REs included in the protection interval, and REs in the protection interval of the reference signal that receive multipath energy of the reference signal, to support the terminal in performing RRM measurement. In this case, the measurement result of the RRM measurement may be, for example, an RSSI parameter.

[0199] In some embodiments of the present disclosure, the network device may send second information, where the second information is used to indicate a measurement value threshold; the first information and the measurement value threshold are used together to perform radio resource management RRM measurement on the transmission reference signal.

[0200] In some embodiments of the present disclosure, the network device may send third information, where the third information is used to indicate a target number; the first information and the target number are used together to perform radio resource management RRM measurements on the transmission reference signal.

[0201] In some embodiments of the present disclosure, the network device may send fourth information, where the fourth information is used to indicate a target ratio value; the first information and the target ratio value are used together to perform radio resource management RRM measurements on the transmission reference signal.

[0202] Figure 7 is an interactive diagram of a measurement method based on orthogonal time-frequency space modulation (OTFS) according to another embodiment of the present disclosure. As shown in Figure 7, the embodiment of the present disclosure relates to a measurement method based on orthogonal time-frequency space modulation (OTFS), which can be used in a communication system that can include a terminal and a network device. The method includes:

[0203] Step S7101: The network device sends first information, where the first information is used to indicate a plurality of resource units RE in a delay-Doppler (DD) domain.

[0204] Step S7102: The terminal receives first information and performs radio resource management (RRM) measurement on a transmission reference signal according to the first information.

[0205] The measurement method based on orthogonal time-frequency space modulation (OTFS) involved in the embodiments of the present disclosure may include at least one of steps S7101 and S7102. For example, step S7101 can be implemented as an independent embodiment, step S7102 can be implemented as an independent embodiment, and so on, but is not limited thereto. Steps S7101+S7102 can be implemented as independent embodiments, but are not limited thereto.

[0206] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0207] The following is an exemplary introduction to the above method.

[0208] Please refer to Figures 2 and 4 above for optional embodiments:

[0209] For RS, because a guard interval is added around it, the power of RS can be increased, thereby improving the accuracy of RS-based RRM measurement. Note that the EPRE of RS is increased by S times relative to the reference channel and / or signal, where S is the power increase factor. The reference channel and / or signal can be SSS, DMRS of PBCH, or the data part of PBCH. The reference channel and / or signal can also refer to the data part of PDSCH. The factor S can be configured through a broadcast channel or RRC signaling, or it can be calculated by the number of REs of RS and the part of the guard interval that can be used to measure multipath energy (for example, the part marked by the grid of the guard interval in Figure 2).

[0210] When measuring parameters such as RSRP, L1-RSRP, and L1-SINR, the UE can detect channel multipath energy on REs occupied by RS symbols and REs in the guard interval. For example, in Figure 2, the REs (grid markers) in the guard interval that can be used to collect RS multipath energy can be used for RRM measurements. When measuring a possible path of h(τ, ν), the UE can refer to a criterion to determine whether this path affects RSRP, L1-RSRP, or L1-SINR measurements.

[0211] The first method involves collecting the energy of a path when measuring parameters such as RSRP, L1-RSRP, and L1-SINR when the measurement value of a path (an optional example of a candidate measurement value) exceeds a threshold (an optional example of a measurement value threshold). Otherwise, the path is ignored. The threshold can be determined by the UE. For example, if the noise standard deviation is σ, the threshold can be set to 3σ. Alternatively, if the threshold is cσ, the base station can configure parameter c for UE channel measurement.

[0212] The second method is for the UE to measure channel multipaths and collect channel energy based only on the stronger paths for measuring RSRP, L1-RSRP, L1-SINR, and other parameters. Considering weaker paths in RRM measurements may reduce measurement accuracy due to their lower signal-to-noise ratio. The UE may perform the aforementioned RRM measurements based only on the strongest X (an optional example of a target number) paths. Parameter X may be configured via broadcast signaling or RRC signaling, or may be a UE capability or UE implementation-dependent. When the number of paths x (an optional example of the number of candidate paths) actually detected by the UE is less than X, the UE may measure the channel based only on these x paths. Alternatively, the UE may measure RSRP, L1-RSRP, L1-SINR, and other parameters based on a subset of paths. The ratio of the energy of these subset of multipaths to the total channel energy must be greater than or equal to Y% (an optional example of a target ratio). Parameter Y may be predefined or configured via broadcast signaling or RRC signaling. During RRM measurements, the UE can use the aforementioned method for processing stronger paths only when the measured value of a path exceeds a threshold to determine whether this path should be used for RRM measurements. This threshold can be determined by the UE. For example, assuming the noise standard deviation is σ, the threshold can be set to 3σ. Alternatively, assuming the threshold is cσ, the base station can configure parameter c for UE channel measurement. Alternatively, the UE can use other methods to identify the strongest X paths, or a subset of paths with an energy ratio greater than Y%.

[0213] The number of multipaths identified by the UE for RRM is K (an optional example of the number of multiple target paths). The UE combines the energy of K multipaths to obtain RSRP, L1-RSRP, L1-SINR, etc. The channel gain measurement value of the kth path is h k , RSRP can be defined as the energy sum of K paths (an alternative example of sum energy), that is, Alternatively, RSRP can be defined as the average energy of K paths, that is, Alternatively, RSRP can be defined as the sum of the energies of the K paths divided by the power boost factor S (an alternative example of the ratio of the sum energy to the power boost factor), ie

[0214] In order to further improve the RSRP measurement accuracy, G groups (an optional example of multiple signal groups) of RSs used for RRM measurement can be transmitted in the OTFS frame, where G>1. Accordingly, each group of RSs can be measured separately, and the multipaths that can be used for RRM measurement can be identified and combined to obtain the RRM measurement value. The number of multipaths identified for RRM measurement for each group of RSs can be equal. The UE can determine the multipaths that can be used for RRM measurement based on this principle. RSRP can be defined as the sum of the channel energies measured by the G groups of RSs, that is, or in is the channel gain of the kth path measured by the gth group of RSs. Alternatively, RSRP can be defined as the average value of the channel energy measured by the G groups of RSs, that is, or Alternatively, the average value of the channel gain of the same multipath measured by the G group of RSs is first calculated, and then RSRP can be defined as the sum of the channel energy of each multipath, that is, Alternatively, the average value of the channel gain of the same multipath measured by the G group of RSs is first calculated, and then RSRP can be defined as the average value of the channel energy of each multipath, that is, Alternatively, the average value of the channel gain of the same multipath measured by the G group of RSs is first calculated. Then, RSRP can be defined as the sum of the channel energy of each multipath divided by the power boost factor S, that is,

[0215] The RSSI measurement can be defined as the average value of the received energy on a set of DD domain REs. This set of REs can be semi-statically configured using broadcast signaling or RRC signaling. Alternatively, this set of REs can include all DD domain REs. Alternatively, this set of REs can include REs occupied by RS symbols and REs in the guard interval that can be used to collect RS multipath energy. Alternatively, this set of REs can include all DD domain REs located outside the RS guard interval. Alternatively, this set of REs can include REs located outside and adjacent to the RS guard interval.

[0216] Figure 8A is a schematic diagram of the structure of a measurement device based on orthogonal time-frequency modulation (OTFS) according to an embodiment of the present disclosure. As shown in Figure 8A, the measurement device based on orthogonal time-frequency modulation (OTFS) includes: a transceiver module for receiving first information indicating multiple resource elements (REs) within a delay-Doppler (DD) domain; and a processing module for performing radio resource management (RRM) measurements on a transmission reference signal based on the first information.

[0217] Optionally, the above-mentioned transceiver module is used to execute the relevant steps executed by the terminal in any of the above methods, which will not be repeated here.

[0218] Optionally, the measurement device based on orthogonal time-frequency space modulation OTFS also includes at least one of a sending module and a receiving module, the sending module is used to execute the steps related to sending performed by the terminal in any of the above methods, and the receiving module is used to execute the steps related to receiving performed by the terminal in any of the above methods, which are not repeated here.

[0219] In some embodiments of the present disclosure, RE includes at least one of the following:

[0220] REs occupied by the reference signal;

[0221] The RE that receives the multipath energy of the reference signal in the guard interval of the reference signal.

[0222] In some embodiments of the present disclosure, the processing module is specifically configured to:

[0223] determining, based on the first information, a candidate measurement value of at least one candidate path associated with a channel for transmitting a reference signal;

[0224] determining a target path from at least one candidate path based on at least one candidate measurement value;

[0225] Perform RRM measurements on the transmission reference signal according to the target path.

[0226] In some embodiments of the present disclosure, the processing module is specifically configured to, when the candidate measurement value is greater than or equal to the measurement value threshold, use the candidate path to which the candidate measurement value belongs as the target path.

[0227] In some embodiments of the present disclosure, the processing module is specifically configured to sort multiple candidate measurement values ​​from largest to smallest, select a target number of candidate measurement values ​​ranked first from the sorted multiple candidate measurement values, and use the candidate path to which each candidate measurement value among the target number of candidate measurement values ​​belongs as the target path.

[0228] In some embodiments of the present disclosure, at least one candidate measurement value among the plurality of candidate measurement values ​​is greater than or equal to a measurement value threshold.

[0229] In some embodiments of the present disclosure, the processing module is further configured to determine a measurement value threshold according to the capability of the terminal and / or the second information.

[0230] In some embodiments of the present disclosure, the processing module is further configured to, when the number of the plurality of candidate measurement values ​​is less than or equal to the target number, use the candidate path to which each candidate measurement value belongs as the target path.

[0231] In some embodiments of the present disclosure, the processing module is further configured to determine a target quantity according to the capability of the terminal and / or the third information.

[0232] In some embodiments of the present disclosure, the processing module is further configured to determine a sum A of multiple candidate measurement values ​​exceeding a measurement value threshold, determine a product value A*Y% of the sum A and a target ratio value Y%, sort the multiple candidate measurement values ​​from large to small, and select some candidate measurement values ​​ranked at the top from the sorted multiple candidate measurement values, wherein the sum of the some candidate measurement values ​​is greater than or equal to the product value A*Y%, and use the candidate path to which each candidate measurement value in the some candidate measurement values ​​belongs as the target path.

[0233] In some embodiments of the present disclosure, the processing module is further configured to determine a predefined target ratio value and / or determine the target ratio value according to fourth information.

[0234] In some embodiments of the present disclosure, the processing module is further configured to determine a plurality of target paths and their corresponding target measurement values, and determine a measurement result of performing RRM measurement on the transmission reference signal based on the plurality of target measurement values.

[0235] In some embodiments of the present disclosure, the target measurement value is channel gain or channel energy; the processing module is further used to determine the sum energy and / or average energy and / or the proportional energy between the sum energy and the power boost factor of multiple target paths based on multiple channel gains or multiple channel energies, and use the sum energy and / or average energy and / or proportional energy as the measurement result.

[0236] In some embodiments of the present disclosure, the processing module is further used to determine the power boost factor based on at least one of the following methods: based on broadcast signaling configuration; based on radio resource control RRC signaling configuration; based on the number of REs occupied by the reference signal and the number of REs that receive multipath energy of the reference signal in the protection interval of the reference signal.

[0237] In some embodiments of the present disclosure, there are multiple reference signals, different reference signals belong to the same signal group or different signal groups, the number of signal groups is greater than 1, each signal group corresponds to multiple target paths, and the number of multiple target paths between different signal groups is the same or different; the processing module is also used to perform RRM measurement on the transmission reference signal according to the multiple target paths corresponding to each signal group.

[0238] In some embodiments of the present disclosure, the processing module is also used to determine the target measurement value of each target path corresponding to each signal group, and determine the group measurement result of the corresponding signal group based on multiple target measurement values, and determine the measurement result of the RRM measurement of the transmission reference signal based on multiple group measurement results.

[0239] In some embodiments of the present disclosure, the processing module is also used to determine the intermediate measurement results corresponding to the same target path based on the target measurement values ​​of the same target path between multiple signal groups, and determine the measurement results of the RRM measurement of the transmission reference signal based on the multiple intermediate measurement results.

[0240] In some embodiments of the present disclosure, the target measurement value is a channel gain; the processing module is further configured to determine an average channel gain based on multiple channel gains corresponding to the same target path, and use the average channel gain as an intermediate measurement result.

[0241] In some embodiments of the present disclosure, RE includes at least one of the following:

[0242] Semi-statically configured RE;

[0243] All REs in the DD domain;

[0244] REs occupied by the reference signal;

[0245] All REs outside the guard interval in the DD domain;

[0246] REs located outside the guard interval and adjacent to REs included in the guard interval;

[0247] The RE that receives the multipath energy of the reference signal in the guard interval of the reference signal.

[0248] In some embodiments of the present disclosure, the processing module is specifically configured to determine the energy received on each RE, determine an average energy of multiple energies, and use the average energy as a measurement result for performing RRM measurement.

[0249] Figure 8B is a schematic diagram of the structure of a measurement device based on orthogonal time-frequency modulation (OTFS) according to an embodiment of the present disclosure. As shown in Figure 8B, the measurement device based on orthogonal time-frequency modulation (OTFS) includes a transceiver module configured to transmit first information indicating multiple resource elements (REs) within a delay-Doppler (DD) domain and to perform radio resource management (RRM) measurements on transmission reference signals.

[0250] Optionally, the above-mentioned transceiver module is used to execute the relevant steps performed by the network device in any of the above methods, which will not be repeated here.

[0251] Optionally, the measurement device based on orthogonal time-frequency space modulation OTFS also includes at least one of a sending module and a receiving module. The above-mentioned sending module is used to execute the steps related to sending performed by the network device in any of the above methods, and the above-mentioned receiving module is used to execute the steps related to receiving performed by the network device in any of the above methods, which are not repeated here.

[0252] In some embodiments of the present disclosure, RE includes at least one of the following:

[0253] Semi-statically configured RE;

[0254] All REs in the DD domain;

[0255] REs occupied by the reference signal;

[0256] All REs outside the guard interval in the DD domain;

[0257] REs located outside the guard interval and adjacent to REs included in the guard interval;

[0258] The RE that receives the multipath energy of the reference signal in the guard interval of the reference signal.

[0259] In some embodiments of the present disclosure, the transceiver module is further used to send second information, wherein the second information is used to indicate a measurement value threshold; the first information and the measurement value threshold are jointly used to perform radio resource management RRM measurement on the transmission reference signal.

[0260] In some embodiments of the present disclosure, the transceiver module is further used to send third information, wherein the third information is used to indicate a target quantity; the first information and the target quantity are used together to perform radio resource management RRM measurements on the transmission reference signal.

[0261] In some embodiments of the present disclosure, the transceiver module is further used to send fourth information, wherein the fourth information is used to indicate a target ratio value; the first information and the target ratio value are jointly used to perform radio resource management RRM measurement on the transmission reference signal.

[0262] It should be understood that the division of the various units or modules in the above device is merely a division of logical functions. In actual implementation, they may be fully or partially integrated into a physical entity, or they may be physically separated. In addition, the units or modules in the device may be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory stores instructions. The processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all of the units or modules can be realized by designing the hardware circuits. The above-mentioned hardware circuits can be understood as one or more processors; for example, in one implementation, the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), which realizes the functions of some or all of the above units or modules by designing the logical relationship of the components in the circuit; for example, in another implementation, the above-mentioned hardware circuit can be realized by a programmable logic device (PLD). Taking a field programmable gate array (FPGA) as an example, it can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by configuring the configuration file, thereby realizing the functions of some or all of the above units or modules. All units or modules of the above devices can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part by the form of software called by the processor, and the rest by hardware circuits.

[0263] As shown in Figure 9A, Figure 9A is a schematic diagram of the structure of the communication device proposed in an embodiment of the present disclosure. The communication device 9100 includes one or more processors 9101. The processor 9101 can be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit. The baseband processor can be used to process the communication protocol and communication data, and the central processing unit can be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute programs, and process program data. The processor 9101 is used to call instructions to enable the communication device 9100 to execute any of the above methods.

[0264] In some embodiments, the communication device 9100 further includes one or more memories 9102 for storing instructions. Optionally, all or part of the memories 9102 may be located outside the communication device 9100.

[0265] In some embodiments, the communication device 9100 further includes one or more transceivers 9103. When the communication device 9100 includes one or more transceivers 9103, the communication steps such as sending and receiving in the above method are performed by the transceiver 9103, and the other steps are performed by the processor 9101.

[0266] In some embodiments, a transceiver may include a receiver and a transmitter, which may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, and transceiver circuit may be used interchangeably; the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be used interchangeably; and the terms receiver, receiving unit, receiver, and receiving circuit may be used interchangeably.

[0267] Optionally, the communication device 9100 further includes one or more interface circuits 9104, which are connected to the memory 9102. The interface circuits 9104 can be used to receive signals from the memory 9102 or other devices, and can be used to send signals to the memory 9102 or other devices. For example, the interface circuits 9104 can read instructions stored in the memory 9102 and send the instructions to the processor 9101.

[0268] The communication device 9100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 9100 described in the present disclosure is not limited thereto, and the structure of the communication device 9100 may not be limited by FIG. 9A. The communication device may be an independent device or may be part of a larger device. For example, the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data or programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.

[0269] FIG9B is a schematic diagram of the structure of a chip proposed in an embodiment of the present disclosure. If the communication device 9100 can be a chip or a chip system, please refer to the schematic diagram of the structure of the chip 9200 shown in FIG9B , but the present disclosure is not limited thereto.

[0270] The chip 9200 includes one or more processors 9201, and the processor 9201 is used to call instructions so that the chip 9200 executes any of the above methods.

[0271] In some embodiments, chip 9200 further includes one or more interface circuits 9202, which are connected to memory 9203. Interface circuits 9202 can be used to receive signals from memory 9203 or other devices, and can be used to send signals to memory 9203 or other devices. For example, interface circuit 9202 can read instructions stored in memory 9203 and send the instructions to processor 9201. Optionally, the terms interface circuit, interface, transceiver pin, and transceiver are interchangeable.

[0272] In some embodiments, the chip 9200 further includes one or more memories 9203 for storing instructions. Alternatively, all or part of the memories 9203 may be located outside the chip 9200.

[0273] The present disclosure also proposes a storage medium having instructions stored thereon, which, when executed on the communication device 9100, causes the communication device 9100 to execute any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited thereto and may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but is not limited thereto and may also be a temporary storage medium.

[0274] In the embodiments of the present disclosure, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit. The logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and implementing the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.

[0275] The present disclosure also provides a program product, which, when executed by the communication device 9100, enables the communication device 9100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0276] The present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to perform any one of the above methods.

[0277] In the above embodiments, all or part of the embodiments can be implemented by software, hardware, firmware or any combination thereof. When implemented using software, all or part of the embodiments can be implemented in the form of a computer program product. The computer program product includes one or more computer programs. When the computer program is loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present disclosure are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer program can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer program can be transmitted from one website, computer, server or data center to another website, computer, server or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated therein. The available medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a high-density digital video disc (DVD)), or a semiconductor medium (eg, a solid state disk (SSD)).

[0278] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this disclosure.

[0279] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0280] The above description is merely a specific embodiment of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A measurement method based on orthogonal time-frequency modulation (OTFS), characterized in that: Executed by a terminal, the method includes: Receiving first information, wherein the first information is used to indicate a plurality of resource units RE in a delay Doppler DD domain; According to the first information, radio resource management RRM measurement is performed on the transmission reference signal.

2. The method according to claim 1, characterized in that The RE includes at least one of the following: REs occupied by the reference signal; The RE that receives the multipath energy of the reference signal in the guard interval of the reference signal.

3. The method according to any one of claims 1 to 2, characterized in that: The performing RRM measurement on the transmission reference signal according to the first information includes: Determine, according to the first information, a candidate measurement value of at least one candidate path associated with a channel for transmitting a reference signal; Determining a target path from the at least one candidate path based on at least one of the candidate measurements; According to the target path, RRM measurement is performed on the transmission reference signal.

4. The method according to claim 3, characterized in that Determining the target path from the at least one candidate path according to the at least one candidate measurement value comprises: If the candidate measurement value is greater than or equal to the measurement value threshold, the candidate path to which the candidate measurement value belongs is used as the target path.

5. The method according to claim 3, characterized in that Determining a target path from a plurality of candidate paths according to the plurality of candidate measurement values ​​comprises: sorting the plurality of candidate measurement values ​​from largest to smallest; Selecting a target number of candidate measurement values ​​ranked first from the plurality of candidate measurement values ​​obtained by sorting; The candidate path to which each candidate measurement value among the target number of candidate measurement values ​​belongs is used as the target path.

6. The method according to claim 5, characterized in that At least one of the plurality of candidate measurement values ​​is greater than or equal to a measurement value threshold.

7. The method according to any one of claims 4 to 6, characterized in that: The method further comprises: The measurement value threshold is determined according to the capability of the terminal and / or the second information.

8. The method according to claim 3, characterized in that Determining a target path from a plurality of candidate paths according to the plurality of candidate measurement values ​​comprises: When the number of the plurality of candidate measurement values ​​is less than or equal to the target number, the candidate path to which each candidate measurement value belongs is used as the target path.

9. The method according to any one of claims 5 to 8, characterized in that: The method further comprises: The target number is determined according to the capability of the terminal and / or third information.

10. The method according to claim 3, characterized in that Determining a target path from a plurality of candidate paths according to the plurality of candidate measurement values ​​comprises: Determine a sum value A of a plurality of the candidate measurement values ​​exceeding a measurement value threshold; Determine a product value A*Y% of the sum value A and the target proportion value Y%; sorting the plurality of candidate measurement values ​​from large to small, and selecting some candidate measurement values ​​ranked first from the sorted plurality of candidate measurement values, wherein the sum of the some candidate measurement values ​​is greater than or equal to the product value A*Y%; The candidate path to which each candidate measurement value in the partial candidate measurement values ​​belongs is used as the target path.

11. The method according to claim 10, characterized in that The method further comprises: The target ratio value is determined by pre-defining the target ratio value and / or the target ratio value is determined according to fourth information.

12. The method according to any one of claims 3 to 11, characterized in that: According to the plurality of target paths, performing RRM measurement on the transmission reference signal includes: Determining a plurality of said target paths and their corresponding target measurement values; A measurement result of performing RRM measurement on the transmission reference signal is determined according to the multiple target measurement values.

13. The method according to claim 12, characterized in that The target measurement value is channel gain or channel energy; The step of determining a measurement result of performing RRM measurement on a transmission reference signal according to the plurality of target measurement values ​​includes: Determine, according to the plurality of channel gains or the plurality of channel energies, the sum energy and / or average energy of the plurality of target paths and / or the proportional energy between the sum energy and the power boost factor; The sum energy and / or the average energy and / or the proportional energy are used as the measurement result.

14. The method according to claim 13, characterized in that The power boost factor is determined based on at least one of the following methods: Configuration based on broadcast signaling; Based on radio resource control RRC signaling configuration; The method is determined based on the number of REs occupied by the reference signal and the number of REs receiving multipath energy of the reference signal in a guard interval of the reference signal.

15. The method according to any one of claims 3 to 11, characterized in that: The number of the reference signals is multiple, different reference signals belong to the same signal group or different signal groups, the number of the signal groups is greater than 1, each signal group corresponds to multiple target paths, and the number of the multiple target paths between different signal groups is the same or different; The performing RRM measurement on the transmission reference signal according to the multiple target paths includes: According to the multiple target paths corresponding to each of the signal groups, RRM measurement is performed on the transmission reference signal.

16. The method according to claim 15, characterized in that The performing RRM measurement on the transmission reference signal according to the multiple target paths corresponding to each of the signal groups includes: determining a target measurement value for each target path corresponding to each of the signal groups; Determining a group measurement result corresponding to the signal group according to the plurality of target measurement values; A measurement result of performing RRM measurement on the transmission reference signal is determined according to the plurality of groups of measurement results.

17. The method according to claim 15, characterized in that The performing RRM measurement on the transmission reference signal according to the multiple target paths corresponding to each of the signal groups includes: Determining an intermediate measurement result corresponding to the same target diameter according to target measurement values ​​of the same target diameter between the plurality of signal groups; A measurement result of performing RRM measurement on the transmission reference signal is determined according to the multiple intermediate measurement results.

18. The method according to claim 17, characterized in that The target measurement value is channel gain; The step of determining the intermediate measurement result corresponding to the same target diameter according to the target measurement values ​​of the same target diameter between the plurality of signal groups comprises: An average channel gain is determined according to a plurality of channel gains corresponding to the same target path, and the average channel gain is used as the intermediate measurement result.

19. The method according to claim 1, wherein: The RE includes at least one of the following: Semi-statically configured RE; All REs in the DD domain; REs occupied by the reference signal; All REs in the DD domain that are outside the guard interval; REs located outside the guard interval and adjacent to REs included in the guard interval; The RE that receives the multipath energy of the reference signal in the guard interval of the reference signal.

20. The method according to claim 1 or 19, characterized in that The performing radio resource management RRM measurement on the transmission reference signal according to the first information includes: determining an energy received at each of the REs; An average energy of the plurality of energies is determined, and the average energy is used as a measurement result of performing RRM measurement.

21. A measurement method based on orthogonal time-frequency modulation (OTFS), characterized in that: Executed by a network device, the method includes: First information is sent, wherein the first information is used to indicate a plurality of resource units RE in a delay Doppler DD domain and to perform radio resource management RRM measurement on a transmission reference signal.

22. The method according to claim 21, characterized in that The RE includes at least one of the following: Semi-statically configured RE; All REs in the DD domain; REs occupied by the reference signal; All REs in the DD domain that are outside the guard interval; REs located outside the guard interval and adjacent to REs included in the guard interval; The RE that receives the multipath energy of the reference signal in the guard interval of the reference signal.

23. The method according to any one of claims 21 to 22, characterized in that: The method further comprises: Sending second information, wherein the second information is used to indicate a measurement value threshold; the first information and the measurement value threshold are used together to perform radio resource management RRM measurement on a transmission reference signal.

24. The method according to any one of claims 21 to 22, characterized in that The method further comprises: Sending third information, wherein the third information is used to indicate a target quantity; and the first information and the target quantity are used together to perform radio resource management RRM measurement on a transmission reference signal.

25. The method according to any one of claims 21 to 22, characterized in that The method further comprises: Sending fourth information, wherein the fourth information is used to indicate a target ratio value; the first information and the target ratio value are used together to perform radio resource management RRM measurement on a transmission reference signal.

26. A measurement method based on orthogonal time-frequency modulation (OTFS), characterized in that: The method comprises: The network device sends first information, wherein the first information is used to indicate a plurality of resource units RE in a delay Doppler DD domain; The terminal receives the first information, and performs radio resource management RRM measurement on the transmission reference signal according to the first information.

27. A measurement device based on orthogonal time-frequency modulation (OTFS), characterized in that: The device comprises: A transceiver module, configured to receive first information, wherein the first information is used to indicate a plurality of resource units RE in a delay Doppler DD domain; The processing module is used to perform radio resource management RRM measurement on the transmission reference signal according to the first information.

28. A measurement device based on orthogonal time-frequency modulation (OTFS), characterized in that: The device comprises: The transceiver module is used to send first information, wherein the first information is used to indicate multiple resource units RE in a delay Doppler DD domain and perform radio resource management RRM measurement on a transmission reference signal.

29. A communication device, characterized in that: include: One or more processors; The processor is used to call instructions so that the communication device executes the method according to any one of claims 1-26.

30. A communication system, characterized in that: The invention comprises a terminal and a network device, wherein the terminal is configured to implement the method according to any one of claims 1 to 20, and the network device is configured to implement the method according to any one of claims 21 to 25.

31. A storage medium storing instructions, characterized in that: When the instruction is executed on a communication device, the communication device is caused to execute the method according to any one of claims 1 to 26.

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