WO2023169544A1

WO2023169544A1 - Method and apparatus for determining quality information, and terminal and storage medium

Info

Publication number: WO2023169544A1
Application number: PCT/CN2023/080692
Authority: WO
Inventors: 孙布勒; 袁璞; 刘昊; 姜大洁; 秦飞
Original assignee: 维沃移动通信有限公司
Priority date: 2022-03-11
Filing date: 2023-03-10
Publication date: 2023-09-14
Also published as: CN116782261A

Abstract

The present application belongs to the technical field of communications. Disclosed are a method and apparatus for determining quality information, and a terminal and a storage medium. The method and apparatus for determining quality information in the embodiments of the present application comprises: a terminal receiving a first signal, wherein a sending signal corresponding to the first signal is a signal obtained by mapping first bearing information into a delay Doppler domain and then converting same into a time domain for sending; and the terminal determining corresponding quality information, in the delay Doppler domain, of the first signal.

Description

Quality information determination method, device, terminal and storage medium

Cross-references to related applications

This application claims priority to the Chinese patent application with application number 202210239688.3 and the invention title "Quality Information Determination Method, Device, Terminal and Storage Medium" submitted on March 11, 2022, which is fully incorporated into this application by reference. .

Technical field

This application belongs to the field of communication technology, and specifically relates to a quality information determination method, device, terminal and storage medium.

Background technique

Information used to describe signal quality can be used in communication processes such as power control and cell switching to ensure the communication quality of the terminal;

However, there is currently a lack of quality information definition method for signals based on the delayed Doppler domain. If synchronization signals, reference signals, or signals used to measure Cross Link Interference (CLI) are mapped in the delayed Doppler domain, Then the terminal cannot perform cell switching and power control, which in turn causes the communication quality of the terminal to decrease.

Contents of the invention

Embodiments of the present application provide a quality information determination method, device, terminal and storage medium, which can improve the communication quality of the terminal.

The first aspect provides a method for determining quality information, which includes:

The terminal receives a first signal, and the transmission signal corresponding to the first signal is a signal that maps the first bearer information to the delayed Doppler domain and then converts it to a time domain transmission;

The terminal determines quality information corresponding to the first signal in the delayed Doppler domain. In a second aspect, a quality information determining device is provided, which device includes:

A receiving module, configured for the terminal to receive a first signal, where the transmission signal corresponding to the first signal is a signal that maps the first bearer information in the delayed Doppler domain and then converts it to a time domain transmission;

A determining module, configured to determine quality information corresponding to the first signal in the delayed Doppler domain. In a third aspect, a terminal is provided. The terminal includes a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, the following implementations are implemented: The steps of the method described in one aspect.

In a fourth aspect, a terminal is provided, including a processor and a communication interface, wherein the communication interface is used for:

Receive a first signal, the transmission signal corresponding to the first signal is a signal that maps the first bearer information in the delayed Doppler domain and then converts it to a time domain transmission;

The processor is used for:

Quality information corresponding to the first signal in the delayed Doppler domain is determined.

In a fifth aspect, a system for determining quality information of a received signal is provided, including: a terminal, the terminal being configured to perform the steps of the quality information determining method described in the first aspect.

In a sixth aspect, a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect are implemented.

In a seventh aspect, a chip is provided. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the method described in the first aspect. .

In an eighth aspect, a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the method described in the first aspect Steps in the quality information determination method.

In the embodiment of the present application, after receiving the first signal in the delayed Doppler domain, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, thereby clarifying the quality corresponding to the signal in the delayed Doppler domain. The information acquisition method facilitates the execution of services such as power control and cell switching, and improves the communication quality of the terminal.

Description of the drawings

Figure 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable;

Figure 2 is a schematic diagram of the mutual conversion between the delayed Doppler plane and the time-frequency plane provided by the embodiment of the present application;

Figure 3 is a schematic diagram of channel response relationships in different planes provided by an embodiment of the present application;

Figure 4 is a schematic diagram of the processing flow of the transceiver end of the OTFS multi-carrier system provided by the embodiment of the present application;

Figure 5 is a schematic diagram of pilot mapping in the delayed Doppler domain provided by an embodiment of the present application;

Figure 6 is a schematic flowchart of a quality information determination method provided by an embodiment of the present application;

Figure 7 is a schematic diagram of the first delayed Doppler region in a single port provided by an embodiment of the present application;

Fig. 8 is a schematic diagram of the first delayed Doppler region at two ports provided by the embodiment of the present application;

Figure 9 is one of the schematic diagrams of the first signal provided by the embodiment of the present application;

Figure 10 is the second schematic diagram of the first signal provided by the embodiment of the present application;

Figure 11 is the third schematic diagram of the first signal provided by the embodiment of the present application;

Figure 12 is a schematic structural diagram of a quality information determination device provided by an embodiment of the present application;

Figure 13 is a schematic structural diagram of a communication device provided by an embodiment of the present application;

Figure 14 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the implementation in this application For example, all other embodiments obtained by those of ordinary skill in the art fall within the scope of protection of this application.

The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and "second" are distinguished objects It is usually one type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the related objects are in an "or" relationship.

It is worth pointing out that the technology described in the embodiments of this application is not limited to Long Term Evolution (Long Term Evolution, LTE)/LTE Evolution (LTE-Advanced, LTE-A) systems, and can also be used in other wireless communication systems, such as code Code Division Multiple Access (CDMA), Time Division Multiple Access (Time Division Multiple Access, TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of this application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and uses NR terminology in much of the following description, but these techniques can also be applied to applications other than NR system applications, such as 6th Generation , 6G) communication system.

Figure 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network side device 12. The terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, or a super mobile personal computer. (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (AR)/virtual reality (VR) equipment, robots, wearable devices (Wearable Device) , vehicle-mounted equipment (VUE), pedestrian terminal (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (PC), teller machines or self-service Terminal devices such as mobile phones, wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), Smart wristbands, smart clothing, etc. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network side device 12 may include an access network device or a core network device, where the access network device 12 may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or Wireless access network unit. The access network device 12 may include a base station, a WLAN access point or a WiFi node, etc. The base station may be called a Node B, an evolved Node B (eNB), an access point, a Base Transceiver Station (BTS), a radio Base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), home B-node, home evolved B-node Point, Transmitting Receiving Point (TRP) or some other appropriate terminology in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application The description only takes the base station in the NR system as an example, and does not limit the specific type of base station. Core network equipment may include but is not limited to at least one of the following: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Service Discovery function (Edge Application Server Discovery Function, EASDF), Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), centralized network configuration ( Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (Local NEF, or L-NEF), Binding Support Function (Binding Support Function, BSF), application function (Application Function, AF), etc. It should be noted that in the embodiment of this application, only the core network equipment in the NR system is used as an example for introduction, and the specific type of the core network equipment is not limited.

First, the following content is introduced:

1. Orthogonal Time Frequency Space (OTFS) communication technology;

The delay and Doppler characteristics of the channel are essentially determined by the multipath channel. Signals arriving at the receiver through different paths have different arrival times due to differences in propagation distances. For example, if two echoes s ₁ and s ₂ arrive at the receiver via distances d ₁ and d ₂ respectively, then the time difference between them arriving at the receiver is c is the speed of light. Due to this time difference between echoes s ₁ and s ₂ , their incoherent superposition at the receiver side causes the observed signal amplitude jitter, a fading effect. Similarly, Doppler dispersion in multipath channels is also caused by the multipath effect.

The Doppler effect is due to the relative speed of the two ends of the transmitter and the receiver. The signals arriving at the receiver after different paths have different incident angles relative to the normal line of the antenna, which results in differences in relative speeds, which in turn causes multiple signals on different paths. The Puller shift is different. Assume that the original frequency of the signal is f ₀ , the relative velocity of the transmitter and receiver is Δv, and the normal incidence angle between the signal and the receiver antenna is θ. Then there are: Obviously, when the two echoes s ₁ and s ₂ arrive at the receiving end antenna through different paths and have different incident angles θ ₁ and θ ₂ , the resulting Doppler frequency shifts Δf ₁ and Δf ₂ are also different.

To sum up, the signal seen by the receiver is the superposition of component signals with different delays and Dopplers from different paths, and the overall reflection is a received signal with fading and frequency shift relative to the original signal. Delay Doppler analysis of the channel helps to collect delay Doppler information of each path, thereby reflecting the delay Doppler response of the channel.

The full name of OTFS modulation technology is orthogonal time-frequency spatial modulation. This technology puts a data packet of size M×N into Information, such as Quadrature Amplitude Modulation (QAM) symbols, is logically mapped to an M×N grid point on the two-dimensional delay Doppler plane, that is, the pulse in each grid point modulates the data A QAM symbol in the packet.

Furthermore, the data set on the M×N delayed Doppler domain plane can be transformed into the N×M time-frequency domain plane by designing a set of orthogonal two-dimensional basis functions. This transformation is mathematically called Inverse Sympletic Fourier Transform (ISSFT).

Correspondingly, the transformation from the time-frequency domain to the delayed Doppler domain is called the Sympletic Fourier Transform (SFFT). The physical meaning behind it is that the signal delay and Doppler effect are actually a linear superposition effect of a series of echoes with different time and frequency offsets after the signal passes through multiple channels. That is, delayed Doppler analysis and time-frequency domain analysis can be obtained by mutual conversion of the ISSFT and SSFT.

Figure 2 is a schematic diagram of the mutual conversion between the delay Doppler plane and the time-frequency plane provided by the embodiment of the present application; as shown in Figure 2, the OTFS technology can transform the time-varying multipath channel into a time-varying channel (within a certain duration) The invariant two-dimensional delay Doppler domain channel directly reflects the channel delay Doppler response characteristics caused by the geometric characteristics of the relative position of the reflectors between the transceivers in the wireless link. The advantage of this is that OTFS eliminates the difficulty of tracking time-varying fading characteristics with traditional time-frequency domain analysis, and instead extracts all diversity characteristics of time-frequency domain channels through delayed Doppler domain analysis. In actual systems, since the number of delay paths and Doppler frequency shifts of the channel is far smaller than the number of time domain and frequency domain responses of the channel, the channel impulse response matrix represented by the delay Doppler domain is sparse. Using OTFS technology to analyze the sparse channel matrix in the delayed Doppler domain can make the reference signal packaging more compact and flexible.

The core of OTFS modulation is symbols defined on the delayed Doppler plane, which are transformed into the time-frequency domain for transmission, and then returned to the delayed Doppler domain for processing at the receiving end. Therefore, the wireless channel response analysis method in the delayed Doppler domain can be introduced.

Figure 3 is a schematic diagram of the channel response relationship in different planes provided by the embodiment of the present application. As shown in Figure 3, it reflects the relationship between the expression of the channel response in different planes when the signal passes through the linear time-varying wireless channel;

In Figure 3, h(τ,v) represents the delayed Doppler domain channel, H(t,f) represents the time-frequency domain channel, g(t,τ) represents the time delay domain channel, and B(v,f) represents Frequency Doppler domain channel, t, f, τ, v represent time, frequency, delay and Doppler respectively. The SFFT transformation formula is:
h(τ,ν)＝∫∫H(t,f)e ^{-j2π(νt-fτ)} dτdν; (1)

Among them, h(τ,v) represents the delayed Doppler domain channel, and H(t,f) represents the time-frequency domain channel. Correspondingly, the transformation formula of ISSFT is:
H(t,f)＝∫∫h(τ,ν)e ^{j2π(νt-fτ)} dτdν; (2)

The delayed Doppler domain channel h(τ,v) is the sum of all multipath channels and can be expressed as:

Among them, P represents the total number of paths, h _i represents the channel gain of the i-th path, δ() represents the Dirac delta function, τ _i represents the delay of the i-th path, and _{vi represents} the Doppler of the i-th path.

When the signal passes through a linear time-varying channel, let the time domain received signal be r(t), and its corresponding frequency domain received signal is R(f), and there is r(t) can be expressed as follows:
r(t)＝s(t)*h(t)＝∫g(t,τ)s(t-τ)dτ; (4)

It can be seen from the relationship in Figure 3 that
g(t,τ)＝∫h(ν,τ)e ^j2πνt dν; (5)

Substitute (5) into (4) to get:
r(t)＝∫∫h(ν,τ)s(t-τ)e ^j2πνt dτdν; (6)

From the relationship shown in Figure 3, the classical Fourier transform theory, and formula (6), we can know:

Based on Equation (7), it can be seen that the analysis of the delayed Doppler domain in the OTFS system can be achieved by relying on the existing communication framework established in the time-frequency domain and adding additional signal processing processes at the transceiver end. Moreover, the additional signal processing only consists of Fourier transform and can be completely implemented by existing hardware without the need for new modules. This good compatibility with existing hardware systems greatly facilitates the application of OTFS systems.

In actual systems, OTFS technology can be easily implemented as the pre- and post-processing modules of a filtered Orthogonal Frequency Division Multiplexing (OFDM) system, so it is compatible with the existing New Radio , NR) multi-carrier system under the technical architecture has good compatibility.

When OTFS is combined with a multi-carrier system, the transmitter is implemented as follows: the QAM symbols containing the information to be sent are carried by the waveform of the delayed Doppler plane, and undergo a two-dimensional inverse sympletic Finite Fourier Transform (ISFFT) ), is converted into a time-frequency domain plane waveform in a traditional multi-carrier system, and then undergoes symbol-level one-dimensional inverse fast Fourier Transform (IFFT) and serial-to-parallel conversion to become a time domain sampling point for transmission go out.

Figure 4 is a schematic diagram of the processing flow of the transceiver end of the OTFS multi-carrier system provided by the embodiment of the present application. As shown in Figure 4, the receiving end of the OTFS system is roughly the reverse process of the transmitting end: after the time domain sampling point is received by the receiver, Parallel conversion and symbol-level one-dimensional Fast Fourier Transform (FFT) are first transformed into waveforms on the time-frequency domain plane, and then undergo two-dimensional Sympletic Finite Fourier Transform (SFFT) , converted into a delayed Doppler domain plane waveform, and then the QAM symbols carried by the delayed Doppler domain waveform are processed by the receiver: including channel estimation and equalization, demodulation and decoding, etc.

The advantages of OTFS modulation are mainly reflected in the following aspects:

(a) OTFS modulation converts the time-varying fading channel in the time-frequency domain between transceivers into a deterministic fading-free channel in the delayed Doppler domain. In the delayed Doppler domain, each symbol in a set of information symbols sent at a time experiences the same static channel response and signal-to-noise ratio (SNR).

(b) The OTFS system analyzes the reflectors in the physical channel through delayed Doppler images and uses the receiving equalizer Coherently combining energy from different reflection paths effectively provides a static channel response without fading. Utilizing the above static channel characteristics, OTFS systems do not need to introduce closed-loop channel adaptation like OFDM systems to cope with rapidly changing channels, thus improving system robustness and reducing system design complexity.

(c) Since the number of delay-Doppler states in the delay Doppler domain is much smaller than the number of time-frequency states in the time-frequency domain, the channel in the OTFS system can be expressed in a very compact form. The channel estimation overhead of the OTFS system is less and more accurate.

(d) Another advantage of OTFS is in dealing with extreme Doppler channels. Through the analysis of delayed Doppler images under appropriate signal processing parameters, the Doppler characteristics of the channel will be fully presented, which is beneficial to signal analysis and processing in Doppler-sensitive scenarios (such as high-speed movement and millimeter waves).

Figure 5 is a schematic diagram of pilot mapping in the delayed Doppler domain provided by an embodiment of the present application; as shown in Figure 5, pulse pilots can be used for channel estimation in the OTFS system. The transmitter places a pilot in the delayed Doppler domain, converts it to the time-frequency domain and then sends it out. Pulse pilots are _placed in the delayed Doppler domain _transmission signal with dimensions M ); Considering the maximum delay and Doppler spread of the channel, in order to prevent mutual interference between the pilot and the data, resulting in inaccurate channel estimation, at least the area surrounding the pilot is (2l _τ +1) (4k _ν +1) -1 protection symbol (the resource grid where the circle in the delay Doppler resource grid on the left side of Figure 5 is located), where l _τ =τ _max MΔf, k _ν =ν _max NT, τ _max and ν _max respectively represent the maximum channel Delay and maximum Doppler frequency shift; the data of MN-(2l _τ +1)(4k _ν +1) is placed in the remaining positions (the resource grid where the cross in the delay Doppler resource grid on the left side of Figure 5 is located).

As shown in Figure 5, the receiver undergoes corresponding inverse operations to obtain the grid pattern of the delayed Doppler domain. Due to the effect of the channel, several offset pilot copies will appear in the guard symbols of the delayed Doppler domain grid points (the resource grid where the squares in the delayed Doppler resource grid on the right side of Figure 5 are located), which means that the channel Several paths with different delayed Dopplers may occur. Through the position offset of the pilot symbol at the receiving end, the channel response h(τ,ν) in the delayed Doppler domain can be estimated, and then the channel response expression in the time-frequency domain can be obtained to facilitate signal analysis and processing.

The quality information determination method, device, terminal and storage medium provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings through some embodiments and application scenarios.

Figure 6 is a schematic flow chart of a quality information determination method provided by an embodiment of the present application; as shown in Figure 6, the method includes the following steps:

Step 600: The terminal receives a first signal, and the transmission signal corresponding to the first signal is a signal that maps the first bearer information to the delayed Doppler domain and then converts it to a time domain transmission;

Step 610: The terminal determines the quality information corresponding to the first signal in the delayed Doppler domain.

Optionally, the execution subject can be a terminal, which is the receiving end; the transmitting end can be a network side device, and the network side device can map the transmitted signal in the delayed Doppler domain and then convert it to the time domain, to the terminal at the receiving end. Send, the terminal at the receiving end can receive the first signal;

Optionally, the execution subject can be a terminal, and the terminal is the receiving end; the sending end can be another terminal, then the The terminal at the transmitting end can map the transmitted signal in the delayed Doppler domain and then convert it to the time domain, and send it to the terminal at the receiving end, and the terminal at the receiving end can receive the first signal;

Optionally, after receiving the first signal, the terminal may determine the quality information corresponding to the first signal in the delayed Doppler domain.

Optionally, the first signal is a signal from the receiving end, the transmission signal corresponding to the first signal is a signal converted to the time domain at the transmitting end, and the first bearer information is information mapped in the delayed Doppler domain, which can be a reference signal. , synchronization signal, etc.;

Optionally, the transmitting end can map the first bearer information such as the reference signal or the synchronization signal to the delayed Doppler domain, and then convert the first bearer information to the time domain to obtain the transmission signal for transmission, and the receiving end can receive it. The received signal corresponding to the transmitted signal is the first signal.

Optionally, the transmission signal corresponding to the first signal is a signal in which the first bearer information is mapped and converted to a time domain transmission after delaying the Doppler domain;

Optionally, the transmission signal corresponding to the first signal is a signal in which the terminal peer maps the first bearer information into the delayed Doppler domain and then converts it into a time domain transmission signal.

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, including any one or more of the following:

The terminal determines the delayed Doppler domain receiving power (Reference Signal Receiving Power, RSRP) corresponding to the first signal;

The terminal determines a delayed Doppler domain signal strength indicator (Received Signal Strength Indicator, RSSI) corresponding to the first signal;

The terminal determines the delayed Doppler domain reception quality (Reference Signal Receiving Quality, RSRQ) corresponding to the first signal; or

The terminal determines the delayed Doppler domain signal and interference evaluation index corresponding to the first signal.

Optionally, the quality information corresponding to the first signal in the delayed Doppler domain may include delayed Doppler domain received power RSRP, delayed Doppler domain received quality RSRQ, delayed Doppler domain signal strength indication RSSI, delayed Doppler domain Doppler domain signal and interference evaluation indicators.

Optionally, quality information such as delayed Doppler domain received power RSRP, delayed Doppler domain signal strength indicator RSSI, delayed Doppler domain received quality RSRQ, delayed Doppler domain signal and interference evaluation indicators, etc. can be 5G communication systems quality information.

Quality information involved in each embodiment of this application (delayed Doppler domain received power RSRP, delayed Doppler domain signal strength indicator RSSI, delayed Doppler domain received quality RSRQ, delayed Doppler domain signal and interference evaluation indicators) It may also be applicable to other communication systems and have the same physical meaning as the quality information in the aforementioned 5G communication system. name information.

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain reception quality RSRQ corresponding to the first signal;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain signal and interference evaluation index corresponding to the first signal;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain received power corresponding to the first signal;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain signal strength indication corresponding to the first signal;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain reception quality corresponding to the first signal;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain received power RSRP, the delayed Doppler domain corresponding to the first signal. Signal strength indicator RSSI, delayed Doppler domain reception quality RSRQ, and delayed Doppler domain signal and interference evaluation indicators;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain received power, the delayed Doppler domain signal corresponding to the first signal Strength indication, delayed Doppler domain reception quality, and delayed Doppler domain signal and interference evaluation indicators;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain received power RSRP, the delayed Doppler domain corresponding to the first signal. Any one or any combination of signal strength indication RSSI, delayed Doppler domain reception quality RSRQ, and delayed Doppler domain signal and interference evaluation indicators;

Optionally, the terminal determines the quality information corresponding to the first signal in the delayed Doppler domain, which may include: the terminal determines the delayed Doppler domain received power, the delayed Doppler domain signal corresponding to the first signal Any one or any combination of strength indication, delayed Doppler domain reception quality, and delayed Doppler domain signal and interference evaluation indicators.

Optionally, the terminal determines the delayed Doppler domain reception quality RSRQ corresponding to the first signal, including:

After the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal, and the terminal determines the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal, the terminal based on the Delayed Doppler domain received power RSRP corresponding to the first signal and delayed Doppler domain signal strength indication corresponding to the first signal RSSI, determines the delayed Doppler domain reception quality RSRQ corresponding to the first signal.

Optionally, the delayed Doppler domain reception quality RSRQ corresponding to the first signal may be determined based on the delayed Doppler domain received power RSRP and the delayed Doppler domain signal strength indication RSSI;

Optionally, the reception quality corresponding to the first signal may be determined based on the delayed Doppler domain received power and the delayed Doppler domain signal strength indication.

Optionally, after the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal, based on the first signal corresponding The delayed Doppler domain received power RSRP and the delayed Doppler domain signal strength indication RSSI corresponding to the first signal are used to determine the delayed Doppler domain received quality RSRQ corresponding to the first signal;

Optionally, after the terminal determines the delayed Doppler domain received power corresponding to the first signal and the delayed Doppler domain signal strength indication corresponding to the first signal, based on the delayed Doppler domain corresponding to the first signal, The Puller domain and the delayed Doppler domain corresponding to the first signal determine the delayed Doppler domain corresponding to the first signal.

Optionally, the terminal determines the delay corresponding to the first signal based on the delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal. Doppler domain reception quality RSRQ, including:

The terminal passes the formula: Determine the delayed Doppler domain reception quality RSRQ corresponding to the first signal;

Among them, L is any real number.

Optionally, L times the ratio of the delayed Doppler domain received power RSRP and the delayed Doppler domain signal strength indication RSSI can be defined as the delayed Doppler domain received quality RSRQ, where L is any real number.

Optionally, the L is predefined by the protocol, or indicated by the communication peer, or determined by the terminal itself.

Optionally, when the receiving end is a terminal and the communication counterpart (sending end) is a network-side device, the L is indicated by the communication counterpart through one or more of the following:

MAC Control Element (MAC Control Element, MAC CE);

Radio Resource Control (RRC) message;

Network Attached Storage (NAS) messages;

Manage and orchestrate messages;

User plane data;

Digital Copyright Identifier (DCI) information;

System Information Block (SIB);

Layer 1 signaling of the Physical downlink control channel (PDCCH);

Physical downlink shared channel (PDSCH) information;

MSG 2 information of Physical Random Access Channel (PRACH);

Message 4 (MSG 4) information of the physical random access channel PRACH; or

Message B (message B, MSG B) information of the physical random access channel PRACH.

Optionally, in the case where the receiving end is a terminal and the communication counterpart (sending end) is a terminal, the L is indicated by the communication counterpart through one or more of the following:

Xn interface signaling;

PC5 interface signaling;

Physical SideLink Control Channel (PSCCH) information;

Physical SideLink Shared Channel (PSSCH) information;

Physical SideLink Broadcast Channel (PSBCH) information;

Physical sidelink discovery channel (PSDCH) information; or

Information about the Physical SideLink Feedback Channel (PSFCH).

Alternatively, L times the ratio of the delayed Doppler domain received power and the delayed Doppler domain signal strength indication can be defined as the delayed Doppler domain received quality, where L is any real number.

optionally, The delayed Doppler domain received power and the delayed Doppler domain signal strength indication are obtained based on the same first signal, that is, the first signal included in the first delayed Doppler region when calculating the delayed Doppler domain received power. The second delayed Doppler region is the same first signal that is included in the calculation of the delayed Doppler domain signal strength indication.

optionally, The delayed Doppler domain received power RSRP and the delayed Doppler domain signal strength indicator RSSI are obtained based on the same first signal, that is, when calculating the delayed Doppler domain received power, the first delayed Doppler region contains the A signal is the same first signal contained in the second delayed Doppler region when calculating the delayed Doppler domain signal strength indication.

Optionally, after the terminal determines the delayed Doppler domain received power corresponding to the first signal and the delayed Doppler domain signal strength indication corresponding to the first signal, the formula can be used: Determine the delayed Doppler domain reception quality corresponding to the first signal; where L is any real number.

Optionally, after the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal, the formula can be used: Determine the delayed Doppler domain reception quality RSRQ corresponding to the first signal; where L is any real number.

Optionally, if the delayed Doppler domain received power is a delayed Doppler domain reference signal, then the calculated delayed Doppler domain received quality is a delayed Doppler domain reference signal;

Optionally, if the delayed Doppler domain received power is a delayed Doppler domain synchronization signal, then the calculated delayed Doppler domain reception quality is a delayed Doppler domain synchronization signal;

Optionally, if the delayed Doppler domain received power RSRP is the delayed Doppler domain reference signal RSRP, then the calculated The delayed Doppler domain reception quality RSRQ is the delayed Doppler domain reference signal RSRQ;

Optionally, if the delayed Doppler domain received power RSRP is the delayed Doppler domain synchronization signal RSRP, then the calculated delayed Doppler domain received quality RSRQ is the delayed Doppler domain synchronization signal RSRQ.

Optionally, the terminal determines the delayed Doppler domain signal and interference evaluation index corresponding to the first signal, including:

The terminal determines the delayed Doppler domain interference power, and the delayed Doppler domain interference power is determined based on the interference measurement signal corresponding to the first signal;

After the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal, the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain interference. power, and determine the delayed Doppler domain signal and interference evaluation index corresponding to the first signal.

Optionally, the delayed Doppler domain signal and interference evaluation index corresponding to the first signal may be determined based on the delayed Doppler domain interference power and the delayed Doppler domain received power RSRP corresponding to the first signal, where the delayed Doppler domain signal is The Puller domain interference power is determined based on the interference measurement signal corresponding to the first signal;

Optionally, the delayed Doppler domain signal and interference evaluation index corresponding to the first signal may be determined based on the delayed Doppler domain interference power and the delayed Doppler domain received power corresponding to the first signal, where the delayed Doppler domain signal The local interference power is determined based on the interference measurement signal corresponding to the first signal;

Optionally, after the terminal determines the delayed Doppler domain interference power and the delayed Doppler domain received power RSRP corresponding to the first signal, it may be based on the delayed Doppler domain interference power and the delayed Doppler corresponding to the first signal. Domain received power RSRP, determine the delayed Doppler domain signal and interference evaluation index corresponding to the first signal;

Optionally, after the terminal determines the delayed Doppler domain interference power and the delayed Doppler domain received power corresponding to the first signal, the terminal may determine the delayed Doppler domain interference power based on the delayed Doppler domain interference power and the delayed Doppler domain corresponding to the first signal. The received power determines the delayed Doppler domain signal and interference evaluation index corresponding to the first signal.

Optionally, the terminal determines the delay Doppler domain signal and interference corresponding to the first signal based on the delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain interference power. Evaluation indicators include:

The terminal passes the formula: Determine the delayed Doppler domain signal and interference evaluation index corresponding to the first signal;

Among them, T is any real number.

Optionally, T times of the delayed Doppler domain received power and delayed Doppler domain interference power can be defined as delayed Doppler domain signal and interference evaluation indicators, where T is any real number.

Optionally, T times of the delayed Doppler domain received power RSRP and the delayed Doppler domain interference power can be defined as delayed Doppler domain signal and interference evaluation indicators, where T is any real number.

optionally,

Optionally, after the terminal determines the delayed Doppler domain received power and determines the delayed Doppler domain interference power based on the interference measurement signal corresponding to the first signal, the formula can be used: Determine the delayed Doppler domain signal and interference evaluation index corresponding to the first signal; where T is any real number.

Optionally, after the terminal determines the delayed Doppler domain received power RSRP and determines the delayed Doppler domain interference power based on the interference measurement signal corresponding to the first signal, the formula can be used: Determine the delayed Doppler domain signal and interference evaluation index corresponding to the first signal; where T is any real number.

Optionally, when the delayed Doppler domain interference power includes interference, the delayed Doppler domain signal and interference evaluation index is the signal to interference ratio (Signal to Interference Ratio, SIR);

Optionally, when the delayed Doppler domain interference power includes interference and noise, the delayed Doppler domain signal and interference evaluation index is the signal to interference plus noise ratio (SINR).

Optionally, the T is predefined by the protocol, or indicated by the communication peer, or determined by the terminal itself.

Optionally, when the receiving end is a terminal and the communication counterpart (sending end) is a network-side device, the T is indicated by the communication counterpart through one or more of the following:

MAC CE;

RRC message;

NAS message;

Manage and orchestrate messages;

User plane data;

DCI information;

System information block SIB;

Layer 1 signaling of the physical downlink control channel PDCCH;

Information about the physical downlink shared channel PDSCH;

MSG 2 information of the physical random access channel PRACH;

MSG 4 information of the physical random access channel PRACH; or

MSG B information of the physical random access channel PRACH.

Optionally, when the receiving end is a terminal and the communication counterpart (sending end) is a terminal, the T is indicated by the communication counterpart through one or more of the following:

Xn interface signaling;

PC5 interface signaling;

Information about the physical side link control channel PSCCH;

Information about the physical side link shared channel PSSCH;

Information about the physical side link broadcast channel PSBCH;

Information on the physical direct link discovery channel PSDCH; or

Information about the physical direct link feedback channel PSFCH.

Optionally, the delayed Doppler domain interference power is obtained by performing interference measurement on an interference measurement signal corresponding to the first signal.

Optionally, any measurement method that can implement interference measurement on the interference measurement signal corresponding to the first signal is applicable to the embodiment of the present application, and is not limited here.

Optionally, if the delayed Doppler domain received power RSRP is obtained based on the reference signal, the delayed Doppler domain interference power is also obtained based on the reference signal measurement. The calculated delayed Doppler domain signal and interference evaluation index is Delayed Doppler domain reference signal SIR or SINR.

Optionally, if the delayed Doppler domain received power RSRP is obtained based on the synchronization signal, the delayed Doppler domain interference power is also obtained based on the synchronization signal measurement. The calculated delayed Doppler domain signal and interference evaluation index is Delayed Doppler domain synchronization signal SIR or SINR.

Optionally, if the delayed Doppler domain received power is obtained based on the reference signal, the delayed Doppler domain interference power is also obtained based on the reference signal measurement, and the calculated delayed Doppler domain signal and interference evaluation index is delay Doppler domain reference signal.

Optionally, if the delayed Doppler domain received power is obtained based on the synchronization signal, the delayed Doppler domain interference power is also obtained based on the synchronization signal measurement, and the calculated delayed Doppler domain signal and interference evaluation index is delay Doppler domain synchronization signal.

Optionally, the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal, including:

The terminal determines the first RSRP corresponding to a target port within a target time unit;

The terminal uses the first RSRP as the delayed Doppler domain received power RSRP corresponding to the first signal;

Wherein, the first RSRP is the RSRP of the first signal from the target port received by the terminal within the target time unit.

Optionally, the terminal can determine the RSRP of the first signal received from the target port within a target time unit (the transmission signal corresponding to the first signal is sent by the sending end through the target port), which can be called the aforementioned target time unit. The first RSRP corresponding to the aforementioned target port, and the first RSRP corresponding to the aforementioned target port within the aforementioned target time unit is used as the delayed Doppler domain received power RSRP corresponding to the first signal.

The terminal determines the first RSRP corresponding to a target port within a target time unit, where the first RSRP is the RSRP of the first signal from the target port received by the terminal within the target time unit;

The terminal determines the second RSRP corresponding to the target time unit based on the first RSRP corresponding to the plurality of target ports in the target time unit;

The terminal uses the second RSRP as the delayed Doppler domain received power RSRP corresponding to the first signal.

Optionally, the terminal may first determine a plurality of first RSRPs that correspond to the same target time unit and correspond to different target ports. In determining a target time unit, the plurality of target ports respectively correspond to After the first RSRP, the second RSRP corresponding to the target time unit may be determined based on the first RSRP corresponding to multiple target ports in the target time unit, and the second RSRP may be used as the third RSRP. The delayed Doppler domain received power RSRP corresponding to a signal.

For example, the terminal may first determine four first RSRPs. These four first RSRPs correspond to the same target time unit t1 and correspond to different target ports, respectively corresponding to target ports p1, p2, p3, and p4. The first one is the first RSRP. RSRP corresponds to the target port p1, the second first RSRP corresponds to the target port p2, the third first RSRP corresponds to the target port p3, and the fourth first RSRP corresponds to the target port p4; then based on these four first RSRPs, the calculation After obtaining the second RSRP corresponding to the target time unit t1, the second RSRP corresponding to the target time unit t1 can be used as the delayed Doppler domain received power RSRP corresponding to the first signal.

The terminal determines a third RSRP based on the second RSRPs respectively corresponding to the plurality of target time units;

The terminal uses the third RSRP as the delayed Doppler domain received power RSRP corresponding to the first signal.

Optionally, the terminal may first determine a plurality of first RSRPs, which correspond to the same target time unit and correspond to different target ports, and determine the first RSRPs corresponding to the plurality of target ports in a target time unit. After an RSRP, the second RSRP corresponding to the target time unit can be determined based on the first RSRP corresponding to multiple target ports in the target time unit, and based on this method, multiple of the target ports can be determined. The second RSRPs corresponding to the target time units respectively, and the target ports corresponding to the plurality of second RSRPs can be the same batch of ports; after determining the second RSRPs corresponding to the plurality of target time units, the terminal can, based on these plurality of second RSRPs, The second RSRP corresponding to each of the target time units is determined, and the third RSRP is used as the delayed Doppler domain received power RSRP corresponding to the first signal.

For example, the terminal may first determine four first RSRPs. These four first RSRPs correspond to the same target time unit t1 and correspond to different target ports, respectively corresponding to target ports p1, p2, p3, and p4. The first one is the first RSRP. RSRP corresponds to the target port p1, the second first RSRP corresponds to the target port p2, the third first RSRP corresponds to the target port p3, and the fourth first RSRP corresponds to the target port p4; then based on these four first RSRPs, the calculation Obtain the second RSRP corresponding to the target time unit t1; in the same way, the second RSRP corresponding to the target time unit t2, the second RSRP corresponding to the target time unit t3, and the second RSRP corresponding to the target time unit t4 can be determined; explanation required What is important is that the four first RSRPs used to determine the second RSRP corresponding to the target time unit t2 correspond to the same target time unit t2 and correspond to different target ports, respectively corresponding to the target ports p1, p2, p3, and p4; for The four first RSRPs that determine the second RSRP corresponding to the target time unit t3 correspond to the same target time unit t3 and correspond to different target ports, respectively corresponding to the target ports p1, p2, p3, and p4; used to determine the target time unit t4 The four first RSRPs corresponding to the second RSRP correspond to the same target time unit t2 and correspond to different target terminals. ports, corresponding to target ports p1, p2, p3, and p4 respectively; after obtaining the second RSRP corresponding to the target time unit t1, the second RSRP corresponding to the target time unit t2, the second RSRP corresponding to the target time unit t3, and the target time After the second RSRP corresponding to unit t4 is obtained, a third RSRP may be determined based on the four second RSRPs, and the third RSRP may be used as the delayed Doppler domain received power RSRP corresponding to the first signal.

Optionally, the delayed Doppler domain received power RSRP can be defined as the above-mentioned first RSRP or second RSRP or third RSRP, which is used as the quality information of the received signal, and can also be used to calculate the delayed Doppler domain received quality sum /or delayed Doppler domain signal and interference evaluation indicators.

Optionally, the operation of calculating the third RSRP from the plurality of second RSRPs may also be called filtering. The third RSRP filters multiple second RSRPs to eliminate the effects of rapid fading and reduce the effects of short-term changes.

Optionally, when the second RSRP is used as the delayed Doppler domain received power RSRP, it can be mainly used for procedures that need to respond with minimum delay, such as beam management procedures that require fast switching between beams.

Optionally, when the third RSRP is used as the delayed Doppler domain received power RSRP, it can play a greater role in wireless resource management. It is a long-term observation result of the channel condition. For example, filtering based on the second RSRP to obtain the third RSRP, and then triggering the handover procedure based on the third RSRP can reduce the risk of ping-pong handover between serving cells.

Optionally, the terminal determines the second RSRP corresponding to the target time unit based on the first RSRP corresponding to multiple target ports in the target time unit, including any of the following:

The terminal determines the linear average of the first RSRP corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit; or

The terminal determines a weighted average of the first RSRPs corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit; or

The terminal determines the largest first RSRP among the first RSRPs corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit; or

The terminal determines the smallest first RSRP among the first RSRPs corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit.

Optionally, when the terminal determines the second RSRP corresponding to the target time unit based on the first RSRP corresponding to multiple target ports in the same target time unit, the terminal may determine the plurality of target ports in the target time unit. The linear average value of the first RSRP corresponding to the target port respectively, and the linear average value is used as the second RSRP corresponding to the target time unit;

Optionally, when the terminal determines the second RSRP corresponding to the target time unit based on the first RSRP corresponding to multiple target ports in the same target time unit, the terminal may determine the plurality of target ports in the target time unit. The weighted average of the first RSRP corresponding to the target port respectively, and the weighted average is used as the second RSRP corresponding to the target time unit;

Optionally, when the terminal determines the second RSRP corresponding to the target time unit based on the first RSRP corresponding to multiple target ports in the same target time unit, the terminal may determine the plurality of target ports in the target time unit. The largest first RSRP among the first RSRPs corresponding to the target ports respectively, and the largest first RSRP is used as the target. The second RSRP corresponding to the time unit;

Optionally, when the terminal determines the second RSRP corresponding to the target time unit based on the first RSRP corresponding to multiple target ports in the same target time unit, the terminal may determine the plurality of target ports in the target time unit. The smallest first RSRP among the first RSRPs respectively corresponding to the target ports is used as the second RSRP corresponding to the target time unit.

Optionally, the first bearer information corresponding to the transmission signals respectively transmitted by the plurality of target ports is transmitted through delayed Doppler resources that do not overlap with each other.

Optionally, the plurality of target ports mentioned above may be target ports distinguished by mutually non-overlapping delay Doppler resources;

Optionally, the plurality of target ports transmit transmission signals corresponding to the first signal on delayed Doppler resources that do not overlap with each other.

Taking the determination of the second RSRP as an example, when P ports are distinguished by mutually non-overlapping delay Doppler resources, the first RSRP corresponding to each first signal can be calculated. And the second RSRP can be determined based on the P first RSRPs. where P is greater than or equal to 1. When determining the second RSRP based on the P first RSRPs, it can be determined based on the mean value of the P first RSRPs or the maximum or minimum value among the P first RSRPs; the mean value can be a linear mean, or it can be is the weighted mean.

Optionally, the first bearer information corresponding to the transmission signals respectively transmitted by the plurality of target ports is a mutually orthogonal sequence.

Optionally, the plurality of target ports mentioned above may be target ports distinguished by orthogonal sequences;

Taking the second RSRP as an example, when P ports are distinguished by orthogonal sequences, sequence sliding window correlation detection can first be performed in the first delay Doppler region of the received signal to obtain the corresponding transmission signal of each port in the first delayed Doppler region. A received signal in the delayed Doppler region, that is, the first signal. Then based on the first signal corresponding to each port, the first RSRP of each port is calculated, that is, P first RSRPs can be obtained. And the second RSRP can be determined based on the P first RSRPs. where P is greater than or equal to 1. When determining the second RSRP based on the P first RSRPs, it can be determined based on the mean value of the P first RSRPs or the maximum or minimum value among the P first RSRPs; the mean value can be a linear mean, or it can be is the weighted mean.

Optionally, the terminal determines a third RSRP based on the second RSRP corresponding to multiple target time units, including any of the following:

The terminal determines a linear average of the second RSRPs corresponding to the plurality of target time units as the third RSRP corresponding to the target time unit; or

The terminal determines a weighted average of the second RSRPs corresponding to the plurality of target time units as the third RSRP corresponding to the target time unit; or

The terminal determines the largest second RSRP among the second RSRPs corresponding to the plurality of target time units respectively, as the third RSRP corresponding to the target time unit; or

The terminal determines the smallest second RSRP among the second RSRPs respectively corresponding to the plurality of target time units as the third RSRP corresponding to the target time unit.

Optionally, when determining the third RSRP based on the second RSRP corresponding to multiple target time units, the terminal may first determine a linear average of the second RSRP corresponding to multiple target time units, and convert the linear average The average value is used as the third RSRP corresponding to the target time unit;

Optionally, when determining the third RSRP based on the second RSRP corresponding to multiple target time units respectively, the terminal may first determine the weighted average of the second RSRP corresponding to multiple target time units respectively, and then calculate the weighted average value of the second RSRP corresponding to the target time unit. The average value is used as the third RSRP corresponding to the target time unit;

Optionally, when determining the third RSRP based on the second RSRP corresponding to multiple target time units respectively, the terminal may first determine the largest second RSRP among the second RSRP corresponding to multiple target time units respectively, and then The maximum second RSRP is used as the third RSRP corresponding to the target time unit;

Optionally, when determining the third RSRP based on the second RSRPs respectively corresponding to multiple target time units, the terminal may first determine the smallest second RSRP among the second RSRPs respectively corresponding to the multiple target time units, and then The smallest second RSRP serves as the third RSRP corresponding to the target time unit.

The terminal determines a fourth RSRP based on the first RSRP corresponding to the one target port in multiple target time units;

The terminal uses the fourth RSRP as the delayed Doppler domain received power RSRP corresponding to the first signal.

Optionally, the terminal may first determine a plurality of first RSRPs that correspond to the same target port and correspond to different target time units, and then determine that one target port corresponds to each of the plurality of target time units. After the first RSRP, the fourth RSRP corresponding to the target port can be determined based on the first RSRP corresponding to the one target port in multiple target time units, and then the fourth RSRP can be used as the Delayed Doppler domain received power RSRP corresponding to the first signal.

For example, the terminal may first determine four first RSRPs. These four first RSRPs correspond to the same target port p1 and correspond to different target time units, respectively corresponding to the target time units t1, t2, t3, and t4. The first RSRP One RSRP corresponds to the target time unit t1, the second first RSRP corresponds to the target time unit t2, the third first RSRP corresponds to the target time unit t3, and the fourth first RSRP corresponds to the target time unit t4; then it can be based on these four The first RSRP is calculated to obtain the fourth RSRP corresponding to the target port p1, and the fourth RSRP corresponding to the target port p1 can be used as the delayed Doppler domain received power RSRP corresponding to the first signal.

Optionally, the delayed Doppler domain received power RSRP can be defined as the above-mentioned first RSRP or second RSRP or third RSRP or fourth RSRP, which is used as quality information of the received signal and can also be used to calculate delayed Doppler. Domain reception quality and/or delay Doppler domain signal and interference evaluation indicators.

Optionally, the delayed Doppler domain received power can be defined as the above-mentioned first RSRP or second RSRP or third RSRP or fourth RSRP, which is used as the quality information of the received signal and can also be used to calculate the delayed Doppler domain. Reception quality and/or delayed Doppler domain signal and interference evaluation metrics.

Optionally, the terminal determines a fourth RSRP based on the first RSRP respectively corresponding to the one target port in multiple target time units, including any of the following:

The terminal determines the linear average of the first RSRP corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit; or

The terminal determines the weighted average of the first RSRP corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit; or

The terminal determines the largest first RSRP among the first RSRPs corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit; or

The terminal determines the smallest first RSRP among the first RSRPs corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit.

Optionally, when determining the fourth RSRP based on the first RSRP corresponding to one target port in multiple target time units, the terminal may determine that the one target port corresponds to multiple target time units respectively. The linear average of the first RSRP, and the linear average is used as the fourth RSRP corresponding to the target time unit;

Optionally, when determining the fourth RSRP based on the first RSRP corresponding to one target port in multiple target time units, the terminal may determine that the one target port corresponds to multiple target time units respectively. The weighted average of the first RSRP, and the weighted average is used as the fourth RSRP corresponding to the target time unit;

Optionally, when determining the fourth RSRP based on the first RSRP corresponding to one target port in multiple target time units, the terminal may determine that the one target port corresponds to multiple target time units respectively. The largest first RSRP among the first RSRPs is used as the fourth RSRP corresponding to the target time unit;

Optionally, when determining the fourth RSRP based on the first RSRP corresponding to one target port in multiple target time units, the terminal may determine that the one target port corresponds to multiple target time units respectively. The smallest first RSRP among the first RSRPs is used as the fourth RSRP corresponding to the target time unit.

Optionally, the plurality of target time units are continuous, periodic, or non-periodic and discontinuous.

Alternatively, the target time unit may be a delayed Doppler frame, a delayed Doppler subframe, or other time units suitable for the delayed Doppler domain, which is not limited in this embodiment of the present application.

Optionally, taking the target time unit as a delayed Doppler frame as an example, the average of the K second RSRPs can be calculated or the maximum or minimum value among the K second RSRPs can be determined, which is recorded as the third RSRP. The K second RSRPs can be It can be obtained based on K continuous delayed Doppler frames, or it can be obtained based on K delayed Doppler frames that appear periodically, or it can be obtained based on any (intermittent) K delayed Doppler frames. The mean value may be a mean value obtained by linear averaging. It may also be an average value obtained by a weighted average, that is, K second RSRPs are averaged and given different weights.

Optionally, the terminal determines the first RSRP corresponding to a target port within a target time unit, including:

The terminal determines a first delay Doppler area corresponding to the first signal from the target port received within the target time unit, and the first delay Doppler area includes the delay time of the first bearer information. The mapping area and guard zone area of the Doppler domain;

The terminal determines the RSRP corresponding to the first delay Doppler region as the first RSRP corresponding to the target port in the target time unit.

Optionally, when the terminal determines the first RSRP, that is, when determining the first RSRP corresponding to a target port within a target time unit, the target time unit may be any time unit corresponding to the first signal, and the target port may be Any port used to transmit the sending signal corresponding to the first signal.

Optionally, when determining the first RSRP, that is, when determining the first RSRP corresponding to a target port within a target time unit, the terminal may first determine the first RSRP corresponding to the first signal received from the target port within the target time unit. a delayed Doppler zone;

Optionally, the first delayed Doppler area includes a mapping area and a guard band area of the first bearer information in the delayed Doppler domain;

Optionally, the terminal may determine the RSRP corresponding to the first delay Doppler region and use it as the first RSRP corresponding to the target port in the target time unit.

Alternatively, the first delay Doppler region may be jointly determined by a set of subscript starting values in the delay direction and a set of subscript starting values in the Doppler direction.

If the first delayed Doppler area is exactly the same as the mapping area and guard band area of the first signal, the indication of the first delayed Doppler area can multiplex the indication of the first signal and its guard band without special indication. If the first delayed Doppler area is not exactly the same as the mapping area and guard band area of the first signal (for example, it is larger than the mapping area and guard band area of the first signal), the sending end may indicate the first delay Doppler area to the terminal through indication information. Delayed Doppler area.

Optionally, the terminal determines the RSRP corresponding to the first delayed Doppler area, including:

The terminal determines the RSRP corresponding to the first delayed Doppler area in the delayed Doppler domain.

Optionally, the terminal may determine the RSRP corresponding to the first delayed Doppler area in the delayed Doppler domain, and use it as the first RSRP corresponding to the target port within the target time unit.

Optionally, the terminal determines the RSRP corresponding to the first delayed Doppler area in the delayed Doppler domain, including:

The terminal determines a first signal power, which is the top Z signal power in descending order among the signal powers of all signals in the first delayed Doppler region, or the first Z signal power. One signal power is the signal power higher than the first power threshold among the signal powers of all signals in the first delayed Doppler region;

The terminal determines the linear average of the first signal power as the RSRP corresponding to the first delayed Doppler region;

Z is a positive integer.

Optionally, when the terminal determines the RSRP corresponding to the first delayed Doppler region in the delayed Doppler domain, it may first determine the signal power of all signals in the first delayed Doppler region in descending order. The first Z signal power is ranked, and the first Z signal power is regarded as the first signal power, and then the linear average value of the first Z signal power can be determined, that is, the linear average value of the first signal power can be determined, As the RSRP corresponding to the first delayed Doppler region;

Optionally, when the terminal determines the RSRP corresponding to the first delayed Doppler region in the delayed Doppler region, it may first determine that the signal power of all signals in the first delayed Doppler region is higher than the first power threshold. signal power, and use these signal powers higher than the first power threshold as the first signal power, and then determine the linear average of these signal powers higher than the first power threshold, that is, determine the linear average of the first signal power. , as the RSRP corresponding to the first delayed Doppler region.

Optionally, the terminal determines a linear average value of the first signal power, including:

The terminal determines a first sum of the first signal powers;

The terminal divides the first sum by a first coefficient to obtain a linear average of the first signal power;

Among them, the first coefficient is any of the following or is proportional to any of the following:

The total number of delayed Doppler resource grids in the first delayed Doppler area;

Z;

The number of signals whose signal power is higher than the first power threshold among all signals in the first delayed Doppler region;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, when determining the linear average of the first signal power, the terminal may first determine the first sum of the first signal power; and divide the first sum by the first coefficient to obtain the linear average of the first signal power. average value.

For example, in the delayed Doppler domain received signal (i.e., the first signal), the power sum of the Z signals with the highest power in the first delayed Doppler domain can be calculated, and then the power sum is divided by the coefficient r, denoted as 1st RSRP. Among them, the coefficient r is the first coefficient, and the function of dividing by the coefficient r is to perform linear averaging.

For example, in the delayed Doppler domain received signal (ie, the first signal), the power sum of the signals in the first delayed Doppler domain whose power is higher than the first power threshold can be calculated, and then the power sum is divided by the coefficient w , recorded as the first RSRP. Among them, the coefficient w is the first coefficient, and the function of dividing by the coefficient w is to do a linear average.

Optionally, the first coefficient is predefined by the protocol, or indicated by the communication peer, or determined by the terminal itself.

Optionally, when the receiving end is a terminal and the communication counterpart (sending end) is a network side device Below, the first coefficient is indicated by the communication peer through one or more of the following:

MAC CE;

RRC message;

NAS message;

Manage and orchestrate messages;

User plane data;

DCI information;

System information block SIB;

Layer 1 signaling of the physical downlink control channel PDCCH;

Information about the physical downlink shared channel PDSCH;

MSG 2 information of the physical random access channel PRACH;

MSG 4 information of the physical random access channel PRACH; or

MSG B information of the physical random access channel PRACH.

Optionally, in the case where the receiving end is a terminal and the communication counterpart (sending end) is a terminal, the first coefficient is indicated by the communication counterpart through one or more of the following:

Xn interface signaling;

PC5 interface signaling;

Information about the physical side link control channel PSCCH;

Information about the physical side link shared channel PSSCH;

Information about the physical side link broadcast channel PSBCH;

Information on the physical direct link discovery channel PSDCH; or

Information about the physical direct link feedback channel PSFCH.

Optionally, the first coefficient may be equal to (or proportional to) the total number of delay Doppler resource grids in the first delay Doppler region;

Alternatively, the first coefficient may be equal to N (or proportional to N), or equal to the number (or proportional to the number) of signals in the first delayed Doppler region with power higher than the first power threshold;

Optionally, the first coefficient may be equal to (or proportional to) the total number of resource grids in the delay direction;

Optionally, the first coefficient may be equal to (or proportional to) the total number of Doppler direction resource grids;

Alternatively, the first coefficient may be equal to (or proportional to) the total number of delayed Doppler resource grids.

The terminal determines the RSRP corresponding to the first delay Doppler region in the time-frequency domain.

Optionally, the terminal may determine the RSRP corresponding to the first delay Doppler region in the time-frequency domain, and use it as the first RSRP corresponding to the target port in the target time unit.

Optionally, the terminal determines the RSRP corresponding to the first delay Doppler region in the time-frequency domain, including:

The terminal determines from the first signal received from the target port within the target time unit that the A second signal in the delayed Doppler region, the second signal being the top Q signals of all signals in the first delayed Doppler region in descending order of signal power, or the first Q signals in the first delayed Doppler region. The second signal is a signal whose signal power is higher than the second power threshold among all signals in the first delayed Doppler region;

The terminal converts the second signal into the time-frequency domain to obtain a third signal;

The terminal determines a linear average of the signal power of the third signal as the RSRP corresponding to the first delayed Doppler region;

Q is a positive integer.

Optionally, when the terminal determines the RSRP corresponding to the first delayed Doppler region in the time-frequency domain, it may first determine that all signals in the first delayed Doppler region are ranked in the top Q in descending order of signal power. signals (can be called second signals), and the top Q signals (second signals) can be converted to the time-frequency domain to obtain the third signal, and then the linear average of the signal power of the third signal can be determined value, as the RSRP corresponding to the first delayed Doppler region;

Optionally, when the terminal determines the RSRP corresponding to the first delayed Doppler region in the time-frequency domain, it may first determine the signal whose signal power is higher than the second power threshold among all signals in the first delayed Doppler region ( can be called the second signal), and the signal whose signal power is higher than the second power threshold (the second signal) can be converted to the time-frequency domain to obtain the third signal, and then the linear average of the signal power of the third signal can be determined value, as the RSRP corresponding to the first delayed Doppler region;

Q is a positive integer.

Optionally, the terminal determines a linear average of the signal power of the third signal, including:

The terminal determines a second sum of signal powers of the third signal;

The terminal divides the second sum by a second coefficient to obtain a linear average of the signal power of the third signal;

Among them, the second coefficient is any of the following or is proportional to any of the following:

Q;

The number of signals among all signals in the first delayed Doppler region whose signal power is higher than the second power threshold;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, when the terminal determines the linear average of the signal power of the third signal, it may determine the second sum of the signal powers of the third signal, and then divide the second sum by the second coefficient to obtain The linear average of the signal power of the third signal is used as the RSRP corresponding to the first delayed Doppler region, and further as the first RSRP.

For example, among the received signals in the delayed Doppler domain, select the Q signals with the largest power in the first delayed Doppler domain. The signal, called the second signal, is converted to the time-frequency domain to obtain the third signal, the power sum of the third signal is calculated, and then the power sum is divided by the coefficient r as the RSRP corresponding to the first delayed Doppler region, Recorded as the first RSRP. The selection operation refers to retaining the selected signal and setting all other unselected signals to zero. Among them, the coefficient r is the second coefficient, and the function of dividing by the coefficient r is to perform linear averaging.

For example, in the delayed Doppler domain received signal, select the signal with power higher than the second power threshold in the first delayed Doppler domain, called the second signal, convert it to the time-frequency domain to obtain the third signal, and calculate the third signal. The power sum of the three signals is divided by the coefficient w to determine the RSRP corresponding to the first delayed Doppler region, which is recorded as the first RSRP. The selection operation refers to retaining the selected signal and setting all other unselected signals to zero. Among them, the coefficient w is the second coefficient, and the function of dividing by the coefficient w is to do a linear average.

Optionally, the second coefficient is predefined by the protocol, or indicated by the communication peer, or determined by the terminal itself.

Optionally, when the receiving end is a terminal and the communication counterpart is a network-side device, the second coefficient is indicated by the communication counterpart through one or more of the following:

MAC CE;

RRC message;

NAS message;

Manage and orchestrate messages;

User plane data;

DCI information;

System information block SIB;

Layer 1 signaling of the physical downlink control channel PDCCH;

Information about the physical downlink shared channel PDSCH;

MSG 2 information of the physical random access channel PRACH;

MSG 4 information of the physical random access channel PRACH; or

MSG B information of the physical random access channel PRACH.

Optionally, in the case where the receiving end is a terminal and the communication counterpart is a terminal, the second coefficient is indicated by the communication counterpart through one or more of the following:

Xn interface signaling;

PC5 interface signaling;

Information about the physical side link control channel PSCCH;

Information about the physical side link shared channel PSSCH;

Information about the physical side link broadcast channel PSBCH;

Information on the physical direct link discovery channel PSDCH; or

Information about the physical direct link feedback channel PSFCH.

Alternatively, the second coefficient may be equal to the total number of delayed Doppler resource grids in the first delayed Doppler region (or Proportional to it);

Optionally, the second coefficient may be equal to M (or proportional to M), or equal to the number (or proportional to the number) of signals in the first delay Doppler region whose power is higher than the second power threshold;

Optionally, the second coefficient may be equal to (or proportional to) the total number of resource grids in the delay direction;

Optionally, the second coefficient may be equal to the total number of Doppler direction resource grids (or proportional to it);

Alternatively, the second coefficient may be equal to (or proportional to) the total number of delayed Doppler resource grids.

Optionally, the terminal determines the delayed Doppler domain signal strength indication RSSI corresponding to the first signal, including:

The terminal determines a first RSSI corresponding to a target time unit, where the first RSSI is the RSSI of the first signal received by the terminal within the target time unit;

The terminal uses the first RSSI corresponding to the one target time unit as the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal.

Optionally, when determining the delayed Doppler domain signal strength indication RSSI corresponding to the first signal, the terminal may first determine the RSSI of the first signal received by the terminal within a target time unit as the third RSSI corresponding to the target time unit. An RSSI, and then the first RSSI corresponding to the target time unit can be used as the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal.

Optionally, the power counted by the first RSSI may include the total power of all the following signals: the first signal, the data signal, and noise and interference superimposed on the above signals.

The terminal determines a second RSSI based on the first RSSI respectively corresponding to a plurality of the target time units;

The terminal uses the second RSSI as the delayed Doppler domain signal strength indication RSSI corresponding to the first signal.

Optionally, the terminal may first determine a plurality of first RSSIs corresponding to different target time units. After determining the corresponding first RSSIs in the plurality of target time units, the terminal may determine the first RSSI based on the plurality of first RSSIs. If the first RSSI corresponding to each of the target time units is determined and the second RSSI is determined, the second RSSI can be used as the delayed Doppler domain signal strength indication RSSI corresponding to the first signal.

For example, the terminal may first determine four first RSSIs. These four first RSSIs correspond to different target time units, respectively corresponding to target time units t1, t2, t3, and t4. The first first RSSI corresponds to the target time unit t1. , the second first RSSI corresponds to the target time unit t2, the third first RSSI corresponds to the target time unit t3, and the fourth first RSSI corresponds to the target time unit t4; then based on these four first RSSIs, the calculation can be obtained If there are two RSSIs, the second RSSI can be used as the delayed Doppler domain signal strength indication RSSI corresponding to the first signal.

Optionally, the delayed Doppler domain received power RSRP can be defined as the above-mentioned first RSSI or second RSSI, It is used as the quality information of the received signal and can also be used to calculate the delayed Doppler domain reception quality.

Optionally, the operation of calculating the second RSSI from the plurality of first RSSIs is also called filtering.

The delayed Doppler domain signal strength indication RSSI may be defined as the above-mentioned first RSSI or the second RSSI.

The delayed Doppler domain signal strength indication may be defined as the above-mentioned first RSSI or second RSSI.

Optionally, taking the target time unit as a delayed Doppler frame as an example, the average of the K first RSSIs may be calculated or the maximum or minimum value among the K first RSSIs may be determined, which is recorded as the second RSSI. The K first RSSIs can be obtained based on K consecutive delayed Doppler frames, or based on K delayed Doppler frames that appear periodically, or based on any (intermittent) K delayed Doppler frames. Delayed Doppler frames were obtained. The mean value may be a mean value obtained by linear averaging. It can also be the average value obtained by a weighted average, that is, different weights are given when averaging the K first RSSIs.

Optionally, the terminal determines the first RSSI corresponding to a target time unit, including:

The terminal determines a second delayed Doppler area corresponding to the first signal received in the target time unit, and the second delayed Doppler area includes a first delayed Doppler area;

The terminal determines the RSSI corresponding to the second delay Doppler region as the first RSSI corresponding to the target time unit.

Optionally, when determining the first RSSI corresponding to a target time unit, the terminal may first determine the second delay Doppler region corresponding to the first signal received in the target time unit;

Optionally, the second delay Doppler area corresponding to the first signal received by the target time unit may completely cover the first delay Doppler area corresponding to the first signal received by the target time unit;

Optionally, the second delay Doppler area refers to the delay Doppler area used to measure signal quality, including multiple delays and Dopplers. All resource grids of a delay Doppler frame can be used as the third delay Doppler area. Two delayed Doppler zones.

Optionally, the second delayed Doppler region contains the above-mentioned first signal.

Alternatively, the indication of the second delayed Doppler region may be indicated by dedicated signaling.

Optionally, the terminal determines the RSSI corresponding to the second delayed Doppler area, including:

The terminal determines the RSSI corresponding to the second delayed Doppler area in the delayed Doppler domain.

Optionally, the terminal may determine the RSSI corresponding to the second delayed Doppler area in the delayed Doppler domain.

Optionally, the terminal determines the RSSI corresponding to the second delayed Doppler area in the delayed Doppler domain, including:

The terminal determines the linear average of all signal powers in the second delayed Doppler region as the RSSI corresponding to the second delayed Doppler region.

Optionally, when the terminal determines the RSSI corresponding to the second delayed Doppler area in the delayed Doppler domain, the terminal may first determine the linear average of all signal powers in the second delayed Doppler area, and use the linear average average as The RSSI corresponding to the second delayed Doppler region.

Optionally, the terminal determines a linear average of all signal powers in the second delayed Doppler region, including:

The terminal determines a third sum of all signal powers within the second delayed Doppler region;

The terminal divides the third sum by a third coefficient to obtain a linear average of all signal powers in the second delayed Doppler region;

Among them, the third coefficient is any of the following or is proportional to any of the following:

The total number of delayed Doppler resource grids in the second delayed Doppler area;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, when the terminal determines the RSSI corresponding to the second delay Doppler area in the delayed Doppler domain, it needs to determine the linear average of all signal powers in the second delayed Doppler area, and may first calculate the second delay The power sum of the received signals at all grid points in the Doppler area (i.e., the third sum of all signal powers in the second delayed Doppler area) is divided by the third coefficient to obtain the second delayed Doppler area. The linear average of all signal powers in the delayed Doppler region is used as the RSSI corresponding to the second delayed Doppler region, which may be used as the first RSSI.

Optionally, the third coefficient is predefined by the protocol, or indicated by the communication peer, or determined by the terminal itself.

Optionally, when the receiving end is a terminal and the communication counterpart is a network-side device, the third coefficient is indicated by the communication counterpart through one or more of the following:

MAC CE;

RRC message;

NAS message;

Manage and orchestrate messages;

User plane data;

DCI information;

System information block SIB;

Layer 1 signaling of the physical downlink control channel PDCCH;

Information about the physical downlink shared channel PDSCH;

MSG 2 information of the physical random access channel PRACH;

MSG 4 information of the physical random access channel PRACH; or

MSG B information of the physical random access channel PRACH.

Optionally, in the case where the receiving end is a terminal and the communication counterpart is a terminal, the third coefficient is indicated by the communication counterpart through one or more of the following:

Xn interface signaling;

PC5 interface signaling;

Information about the physical side link control channel PSCCH;

Information about the physical side link shared channel PSSCH;

Information about the physical side link broadcast channel PSBCH;

Information on the physical direct link discovery channel PSDCH; or

Information about the physical direct link feedback channel PSFCH.

Optionally, the third coefficient may be equal to (or proportional to) the total number of delayed Doppler resource grids in the first delayed Doppler region;

Optionally, the third coefficient may be equal to (or proportional to) the total number of resource grids in the delay direction;

Optionally, the third coefficient may be equal to the total number of Doppler direction resource grids (or proportional to it);

Optionally, the third coefficient may be equal to (or proportional to) the total number of delayed Doppler resource grids.

The terminal determines the RSSI corresponding to the second delay Doppler region in the time-frequency domain.

Optionally, the terminal may also determine the RSSI corresponding to the second delay Doppler region in the time-frequency domain.

Optionally, the terminal determines the RSSI corresponding to the second delay Doppler region in the time-frequency domain, including:

The terminal determines a fourth signal within the second delayed Doppler region from the first signal received in the target time unit;

The terminal converts the fourth signal into the time-frequency domain to obtain a fifth signal;

The terminal determines a linear average of the signal power of the fifth signal as the RSSI corresponding to the second delayed Doppler region.

Optionally, the terminal may first determine a fourth signal in the second delayed Doppler region from the first signal received in the target time unit, and convert the fourth signal into the time-frequency domain to obtain the third signal. Five signals, and then the linear average of the signal power of the fifth signal can be determined and used as the RSSI corresponding to the second delayed Doppler region, and then the RSSI corresponding to the second delayed Doppler region can be used as the first RSSI.

Optionally, the terminal determines a linear average of the signal power of the fifth signal, including:

The terminal determines a fourth sum of signal powers of the fifth signal;

The terminal divides the fourth sum by a fourth coefficient to obtain a linear average of the signal power of the fifth signal;

Among them, the fourth coefficient is any of the following or is proportional to any of the following:

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, when the terminal determines the RSSI corresponding to the second delayed Doppler region in the time-frequency domain, it needs to determine the fifth To obtain the linear average of the signal power of the signal, you can first calculate the fourth sum of the signal power of the fifth signal, and then divide the fourth sum by the fourth coefficient to obtain the linear average of the signal power of the fifth signal, And as the RSSI corresponding to the second delayed Doppler region, the RSSI corresponding to the second delayed Doppler region may be used as the first RSSI.

Optionally, from the received signal in the delayed Doppler domain (the first signal), the signal in the second delayed Doppler domain (the fourth signal) can be selected, converted to the time-frequency domain to obtain the fifth signal, and the fifth signal can be calculated. The total power of the five signals is divided by the coefficient t, which is recorded as the first RSSI. The selection means retaining the selected signal and setting all other unselected signals to zero. Among them, the coefficient t is the fourth coefficient.

Alternatively, the fourth coefficient may be equal to (or proportional to) the number of delay direction gratings included in the second delay Doppler region;

Alternatively, the fourth coefficient may be equal to (or proportional to) the number of Doppler direction grids included in the second delayed Doppler area, or the fourth coefficient may be equal to the total number of grids included in the second delayed Doppler area. number (or proportional to it), or the coefficient t is equal to the total number of grids in the delay direction of the delayed Doppler domain (or proportional to it);

Alternatively, the fourth coefficient may be equal to (or proportional to) the total number of grids in the Doppler direction of the delayed Doppler domain, or the fourth coefficient may be equal to (or proportional to) the total number of grids in the delayed Doppler domain. Proportional).

Optionally, in this embodiment of the present application, the OFDM RSSI may be averaged to the granularity of one OFDM symbol, including all subcarriers within the measurement frequency band on one OFDM symbol. Suppose we consider a system with delay number M and Doppler number N. The corresponding time-frequency domain resource grid size is an area composed of M subcarriers and N OFDM symbols. By inducing the fourth coefficient, the size of which is inversely proportional to M or N, the RSSI correspondence of OFDM can be ensured.

Optionally, the fourth coefficient is predefined by the protocol, or indicated by the communication peer, or determined by the terminal itself.

Optionally, when the receiving end is a terminal and the communication counterpart is a network-side device, the fourth coefficient is indicated by the communication counterpart through one or more of the following:

MAC CE;

RRC message;

NAS message;

Manage and orchestrate messages;

User plane data;

DCI information;

System information block SIB;

Layer 1 signaling of the physical downlink control channel PDCCH;

Information about the physical downlink shared channel PDSCH;

MSG 2 information of the physical random access channel PRACH;

MSG 4 information of the physical random access channel PRACH; or

MSG B information of the physical random access channel PRACH.

Optionally, in the case where the receiving end is a terminal and the communication counterpart is a terminal, the fourth coefficient is indicated by the communication counterpart through one or more of the following:

Xn interface signaling;

PC5 interface signaling;

Information about the physical side link control channel PSCCH;

Information about the physical side link shared channel PSSCH;

Information about the physical side link broadcast channel PSBCH;

Information on the physical direct link discovery channel PSDCH; or

Information about the physical direct link feedback channel PSFCH.

Optionally, the first bearer information includes any one or more of the following:

Synchronization signal, reference signal, or signal used to measure cross-link interference CLI.

Optionally, the first bearer information may be a synchronization signal, a reference signal, or a signal used to measure cross-link interference CLI;

Optionally, the first bearer information may be synchronization signal and PBCH block (Synchronization Signal and PBCH block, SSB);

For example, the first bearer information may be a channel state information reference signal (Channel State Information Reference Signal, CSI-RS), a sounding reference signal (Sounding Reference Signal, SRS), a positioning reference signal (positioning reference signal, PRS), a secondary The reference signal or synchronization signal of the link (sidelink) (such as DMRS of PSBCH, DMRS of PSCCH, DMRS of PSSCH) is used to measure signals that interfere with cross-link CLI, SSB, etc.

Optionally, if the first bearer information is CSI RS, the calculated delayed Doppler domain received power RSRP is delayed Doppler domain CSI RSRP;

Optionally, if the first bearer information is SRS, the calculated delayed Doppler domain received power RSRP is delayed Doppler domain SRS RSRP;

Optionally, if the first bearer information is PRS, the calculated delayed Doppler domain received power RSRP is delayed Doppler domain PRS RSRP;

Optionally, if the first bearer information is the DMRS of the PSBCH, the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain PSBCH RSRP;

Optionally, if the first bearer information is the DMRS of the PSCCH, the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain PSCCH RSRP;

Optionally, if the first bearer information is the DMRS of the PSSCH, the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain PSSCH RSRP;

Optionally, if the first bearer information is SSB, the calculated delayed Doppler domain received power RSRP is delayed Doppler domain SS RSRP.

Optionally, if the first bearer information is CSI RS, then the calculated delayed Doppler domain signal strength indication RSSI is delayed Doppler domain CSI RSSI;

Optionally, if the first bearer information is SRS, the calculated delayed Doppler domain signal strength indication RSSI is delayed Doppler domain SRS RSSI;

Optionally, if the first bearer information is PRS, the calculated delayed Doppler domain signal strength indication RSSI is delayed Doppler domain PRS RSSI;

Optionally, if the first bearer information is DMRS, the calculated delayed Doppler domain signal strength indication RSSI is delayed Doppler domain PSBCH RSSI;

Optionally, if the first bearer information is DMRS, the calculated delayed Doppler domain signal strength indication RSSI is delayed Doppler domain PSCCH RSSI;

Optionally, if the first bearer information is DMRS, then the calculated delayed Doppler domain signal strength indication RSSI is delayed Doppler domain PSSCH RSSI;

Optionally, if the first bearer information is SSB, the calculated delayed Doppler domain signal strength indication RSSI is delayed Doppler domain SS RSSI;

Optionally, if the first bearer information is a CLI measurement signal, the calculated delayed Doppler domain signal strength indication RSSI is a delayed Doppler domain CLI RSSI.

Optionally, if the first delayed Doppler region contains CSI RS (the first bearer information is the CSI RS), then the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain CSI RSRP;

Optionally, if the first delayed Doppler region contains SRS (the first bearer information is the SRS), then the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain SRS RSRP;

Optionally, if the first delayed Doppler region contains a PRS (the first bearer information is the PRS), then the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain PRS RSRP;

Optionally, if the first delayed Doppler region contains the DMRS of the PSBCH (the first bearer information is the DMRS of the PSBCH), then the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain PSBCH RSRP ;

Optionally, if the first delayed Doppler region contains the DMRS of the PSCCH (the first bearer information is the DMRS of the PSCCH), then the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain PSCCH RSRP ;

Optionally, if the first delayed Doppler region contains the DMRS of the PSSCH (the first bearer information is the DMRS of the PSSCH), then the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain PSSCH RSRP ;

Optionally, if the first delayed Doppler region contains an SSB (the first bearer information is the SSB), the calculated delayed Doppler domain received power RSRP is the delayed Doppler domain SS RSRP.

Optionally, if the second delayed Doppler region contains CSI RS (the first bearer information is the CSI RS), then the calculated delayed Doppler domain signal strength indication RSSI is the delayed Doppler domain CSI RSSI;

Optionally, if the second delayed Doppler region contains SRS (the first bearer information is the SRS), then the calculated delayed Doppler domain signal strength indication RSSI is the delayed Doppler domain SRS RSSI;

Optionally, if the second delayed Doppler region contains a PRS (the first bearer information is the PRS), then the calculated delayed Doppler domain signal strength indication RSSI is the delayed Doppler domain PRS RSSI;

Optionally, if the second delayed Doppler region contains the DMRS of the PSBCH (the first bearer information is the DMRS), then the calculated delayed Doppler domain signal strength indication RSSI is the delayed Doppler domain PSBCH RSSI;

Optionally, if the second delayed Doppler region contains the DMRS of the PSCCH (the first bearer information is the DMRS), then the calculated delayed Doppler domain signal strength indication RSSI is the delayed Doppler domain PSCCH RSSI;

Optionally, the second delayed Doppler region contains the DMRS of the PSSCH (the first bearer information is the DMRS), then the calculated delayed Doppler domain signal strength indication RSSI is the delayed Doppler domain PSSCH RSSI;

Optionally, if the second delayed Doppler region contains an SSB (the first bearer information is the SSB), then the calculated delayed Doppler domain signal strength indication RSSI is the delayed Doppler domain SS RSSI;

Optionally, if the second delayed Doppler region contains the CLI measurement signal (the first bearer information is the CLI measurement signal), then the calculated delayed Doppler domain signal strength indication RSSI is the delayed Doppler domain CLI RSSI.

Optionally, dedicated signaling can be used to indicate which signal the currently measured RSRP is, such as CSI-RS RSRP, synchronization signal RSRP (ie SS RSRP), SRS RSRP, PRS RSRP, CLI RSRP, sidelink reference The RSRP of the signal (such as PSBCH RSRP, PSCCH RSRP, PSSCH RSRP).

Optionally, based on the delayed Doppler domain received power RSRP, cell selection and reselection, power control, etc. can be performed.

Optionally, the method also includes:

The terminal sends first information to the sending end, where the first information includes at least one of the following:

Quality information corresponding to the first signal in the delayed Doppler domain;

The quality level corresponding to the quality information;

Quantization encoding corresponding to said quality information; or

The size relationship between the quality information and historical quality information.

Optionally, the terminal may feed back the quality information corresponding to the delayed Doppler domain obtained in any of the foregoing embodiments to the sending end. That is, the delayed Doppler domain received power RSRP corresponding to the first signal, the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal, the delayed Doppler domain reference signal received quality RSRQ corresponding to the first signal, and the first signal Any one or more of the corresponding delayed Doppler domain signals and interference evaluation indicators are fed back to the transmitter.

Optionally, what the terminal feeds back to the terminal may be the original information of the above information, or the information obtained after conversion based on the above information, such as quantized coding, classification, size relationship with previously reported information, etc.

Optionally, the terminal may send the first information through the sending end to feedback the quality information corresponding to the delayed Doppler domain;

Optionally, the first information may include any one or a combination of any of the following:

Quality information corresponding to the first signal in the delayed Doppler domain; or

A quality level corresponding to the quality information; or

Quantization encoding corresponding to said quality information; or

Optionally, when the terminal feeds back to the sending end, if the receiving end is a terminal and the sending end is a network-side device, the feedback can be implemented through the following signals or signaling:

Layer 1 signaling of the physical uplink control channel PUCCH;

MSG 1 information of the physical random access channel PRACH;

MSG 3 information of the physical random access channel PRACH;

MSGA information of the physical random access channel PRACH; or

Information about the physical uplink shared channel PUSCH.

Optionally, when the terminal feeds back to the sending end, if the receiving end is a terminal and the sending end is another terminal, the feedback can be implemented through the following signals or signaling:

Xn interface signaling;

PC5 interface signaling;

Information about the physical side link control channel PSCCH;

Information about the physical side link shared channel PSSCH;

Information about the physical side link broadcast channel PSBCH;

Information on the physical direct link discovery channel PSDCH; or

Information about the physical direct link feedback channel PSFCH.

Optionally, when the sending end is a network-side device, the first information is carried on any one or more of the following:

Layer 1 signaling of the physical uplink control channel PUCCH;

MSG 1 information of the physical random access channel PRACH;

MSG 3 information of the physical random access channel PRACH;

MSGA information of the physical random access channel PRACH; or

Information about the physical uplink shared channel PUSCH.

Optionally, when the sending end is a terminal, the first information is carried on any one or more of the following:

Xn interface signaling;

PC5 interface signaling;

Information about the physical side link control channel PSCCH;

Information about the physical side link shared channel PSSCH;

Information about the physical side link broadcast channel PSBCH;

Information on the physical direct link discovery channel PSDCH; or

Information about the physical direct link feedback channel PSFCH.

In one embodiment, FIG. 7 is a schematic diagram of the first delayed Doppler area at a single port provided by an embodiment of the present application. As shown in FIG. 7 , a grid consisting of M grids in the delay direction and N Doppler directions For example, a delayed Doppler frame (i.e., target time unit) composed of grids (each grid has a signal), when the originator sends a reference signal pulse or a reference signal sequence or a synchronization signal sequence, due to the delayed Doppler Due to the over-channel characteristics of the signal, the reference signal pulse or reference signal sequence or synchronization signal sequence will spread to a certain range of delayed Doppler areas on the delayed Doppler frame at the receiving end. The received signal power is calculated within the above delayed Doppler region and is recorded as the first RSRP. Among them, Figure 7 describes a system with M=18, N=12, and the grid area with a slash in the middle is defined as the first delay Doppler area (in Figure 7, the delay directions 7 to 12, the Doppler direction rectangular area from 4 to 9). By reasonably formulating the first delay Doppler area (for example, the first delay Doppler area includes the mapping area and guard band area of the first bearer information in the delay Doppler domain), the reference signal sent by the originator can be guaranteed The pulse or reference signal sequence or synchronization signal sequence will not fall on the grid outside this area after passing through the channel. The first RSRP may represent the RSRP of a port calculated over a delayed Doppler frame. The first RSRP can be calculated by any of the following methods (a) to (d):

Calculated in the delayed Doppler domain:

(a) Calculate the power sum of the Q signals with the highest power in the first delay Doppler region corresponding to the first signal, and then divide the power sum by the coefficient r, and record it as the first RSRP. The function of dividing by the coefficient r is to do a linear average. In Figure 7, the rectangular area in delay directions 7 to 12 and Doppler directions 4 to 9 is the first delay Doppler area. Find the Q signals with the highest power in this area and calculate the values of these Q signals. The total power is divided by the coefficient r and is recorded as the first RSRP.

(b) Calculate the power sum of signals with power higher than the first threshold in the first delay Doppler region corresponding to the first signal, and then divide the power sum by the coefficient w, and record it as the first RSRP. The function of dividing by the coefficient r is to do a linear average. In Figure 7, find all signals with power higher than the first threshold in the rectangular area of delay directions 7 to 12 and Doppler directions 4 to 9. Assume that there are a total of C signals with power higher than the first threshold. Then calculate the total power of these C signals, and then divide the total power by the coefficient w, which is recorded as the first RSRP.

Calculated in the time-frequency domain:

(c) Among the received signals in the delayed Doppler domain, select Q signals with the highest power in the first delayed Doppler domain corresponding to the first signal. The selection operation refers to retaining the selected signal and setting all other unselected signals to zero. In Figure 7, the rectangular area in delay directions 7 to 12 and Doppler directions 4 to 9 is the first delay Doppler area, and the Q signals (second signals) with the highest power are found in this area. Set all other signals in the delayed Doppler domain except these Q signals to zero, and then perform inverse symplectic Fourier transform on them to obtain the signal in the time and frequency domain, which is recorded as the third signal. It is worth noting that the third signal has values on all M×N resource grids in the time and frequency domain. Calculate the sum of the power of the third signal on all M×N resource grids in the time and frequency domain, and then sum the power Divided by the coefficient r, it is recorded as the first RSRP.

(d) From the received signals in the delayed Doppler domain, select signals with power higher than the first threshold in the first delayed Doppler domain corresponding to the first signal. The selection operation refers to retaining the selected signal and setting all other unselected signals to zero. In Figure 7, find all signals with power higher than the first threshold in the rectangular area of delay directions 7 to 12 and Doppler directions 4 to 9. Assume that there are a total of C signals (second signals) with high power. at the first threshold. Set all other signals in the delayed Doppler domain except these C signals to zero, and then perform inverse symplectic Fourier transform on them to obtain the signal in the time and frequency domain, which is recorded as the third signal. It is worth noting that the third signal has values on all M×N resource grids in the time and frequency domain. Calculate the power sum of the second signal on all M×N resource grids in the time and frequency domain, and then divide the power sum by the coefficient w, which is recorded as the first RSRP.

In one embodiment, taking P ports that are distinguished by mutually non-overlapping delay Doppler resources as an example, the second RSRP calculation method can be:

When P ports are distinguished by mutually non-overlapping delay Doppler resources, P first delay Doppler areas need to be formulated on the delay Doppler frame at the receiving end, corresponding to P ports. Figure 8 is a schematic diagram of the first delayed Doppler area at two ports provided by the embodiment of the present application; as shown in Figure 8, a system with M=18, N=12, and P=2 is described, with slashes The grid area is the first delayed Doppler area corresponding to the first port (in Figure 8, the rectangular area with delay directions 3 to 8 and Doppler directions 4 to 9), a grid area with a prismatic grid is the first delayed Doppler area corresponding to the second port (in Figure 8, it is the rectangular area with delay directions 11 to 16 and Doppler directions 4 to 9). The first RSRP corresponding to each first port is calculated; then the average of the P first RSRPs can be calculated, which is recorded as the second RSRP. The mean can be a linear mean or a weighted mean. Or calculate the maximum value of the P first RSRPs and record it as the second RSRP. Or calculate the minimum value of the P first RSRPs and record it as the second RSRP.

In one embodiment, the calculation method of the first RSSI may be:

Calculate the power sum of the received signals at all grid points in the second delay Doppler region, and then divide the power sum by the coefficient t (the third coefficient), and record it as the first RSSI. The calculated power can be calculated in the delayed Doppler domain, or the signal in the second delayed Doppler region can be selected, transformed into the time-frequency domain, and then the power can be calculated.

The second delay Doppler region may refer to a delay Doppler region used to measure signal quality, including multiple delays and Dopplers, and all resource grids of a delay Doppler frame may be used as the second delay Doppler area.

Taking the delayed Doppler frame in Figure 7 as an example, all M×N=18×12=216 grid areas can be used as the second delayed Doppler area, and all grid points in the second delayed Doppler area can be calculated The sum of the power of the received signals is recorded as the first RSSI. Similarly, for the delayed Doppler frame in Figure 8, all M×N=18×12=216 grid areas can also be used as the second delayed Doppler area, and the possessive grids in this second delayed Doppler area can be calculated. The sum of the power of the received signals at the point is recorded as the first RSSI. In these two cases, due to the different number of ports, the final first RSSI will be different. The second delayed Doppler domain may also select a part of the delayed Doppler grids, that is, the number of grids included in the second delayed Doppler domain may be less than M×N.

In one embodiment, the calculation method of the second RSSI may be:

Similar to the calculation method of the third RSRP, the average of the K first RSSIs can be calculated and recorded as the second RSSI. The K first RSSIs can be obtained based on K consecutive delayed Doppler frames, or based on K delayed Doppler frames that appear periodically, or based on any (intermittent) K delayed Doppler frames. Delayed Doppler frames were obtained. The mean value may be a mean value obtained by linear averaging. It can also be the average value obtained by a weighted average, that is, different weights are given when averaging the K first RSSIs. The operation of calculating the second RSSI from the K first RSSIs is also called filtering.

Optionally, the delayed Doppler domain signal strength indication may be defined as the above-mentioned first RSSI or second RSSI.

Optionally, the delayed Doppler domain signal strength indication RSSI may be defined as the above-mentioned first RSSI or the second RSSI.

In one embodiment, the delay Doppler domain signal and interference evaluation index calculation method can be:

Among them, the delayed Doppler domain interference power is obtained through interference measurement. The measurement of RSRP and the measurement of interference power can be implemented in the same frame or in different frames.

When the measurement of RSRP and the measurement of interference power are implemented in the same frame, similar to the first delay Doppler area of RSRP, the interference measurement also requires a third delay Doppler area. The total power of the interference is calculated in the Doppler region and recorded as the delayed Doppler domain interference power. The above-mentioned first delayed Doppler area and the third delayed Doppler area cannot overlap. Figure 9 is one of the schematic diagrams of the first signal provided by the embodiment of the present application. Figure 9 shows a terminal signal that implements RSRP measurement and interference power measurement in the same frame; as shown in Figure 9, with an M =18, N=12 system as an example. The grid area with slashes is the first delay Doppler area corresponding to the RSRP measurement (in Figure 9, that is, delay directions 3 to 8 and Doppler directions 4 to 9 Rectangular area), the grid area with the prismatic grid is the third delayed Doppler area corresponding to the interference power measurement (in Figure 9, it is the rectangular area with delay directions 11 to 16 and Doppler directions 4 to 9).

When the measurement of RSRP and the measurement of interference power are implemented in different frames, it is also necessary to calculate the total interference power in the third delayed Doppler region, which is recorded as delayed Doppler domain interference power. The first delayed Doppler area and the third delayed Doppler area may or may not overlap. Figure 10 is the second schematic diagram of the first signal provided by the embodiment of the present application; Figure 11 is the third schematic diagram of the first signal provided by the embodiment of the present application; Figures 10 and 11 show the measurement of RSRP and the measurement of interference power. The terminal signal when implemented in different frames, as shown in Figure 10 and Figure 11, describes the situation where the first delayed Doppler area and the third delayed Doppler area completely overlap, since the two have been distinguished by different frames is on, so even if they completely overlap, the measurement of RSRP and the measurement of interference power will not affect each other.

For the quality information determination method provided by the embodiments of the present application, the execution subject may be a quality information determination device. In the embodiment of this application, the quality information determination method executed by the quality information determination device is used as an example to illustrate the method provided by the embodiment of this application. Quality information determining device.

Figure 12 is a schematic structural diagram of a quality information determination device provided by an embodiment of the present application. As shown in Figure 12, the quality information determination device 1200 includes: a receiving module 1210 and a determining module 1220; wherein:

The receiving module 1210 is configured to receive a first signal, and the transmission signal corresponding to the first signal is a signal that maps the first bearer information in the delayed Doppler domain and then converts it to a time domain transmission;

The determining module 1220 is used to determine the quality information corresponding to the first signal in the delayed Doppler domain.

Optionally, the determination module 1220 is specifically used for any one or more of the following:

Determine the delayed Doppler domain received power RSRP corresponding to the first signal;

Determine the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal;

Determine the delayed Doppler domain reception quality RSRQ corresponding to the first signal; or

Determine the delayed Doppler domain signal and interference evaluation index corresponding to the first signal.

Optionally, the determining module 1220 is specifically used to:

After determining the delayed Doppler domain received power RSRP corresponding to the first signal, and the terminal determines the delayed Doppler domain signal strength indication RSSI corresponding to the first signal, based on the delay corresponding to the first signal The Doppler domain received power RSRP and the delayed Doppler domain signal strength indication RSSI corresponding to the first signal determine the delayed Doppler domain reception quality RSRQ corresponding to the first signal.

Optionally, the determining module 1220 is specifically used to:

Through the formula: Determine the delayed Doppler domain reception quality RSRQ corresponding to the first signal;

Among them, L is any real number.

Optionally, the determining module 1220 is specifically used to:

Determine the delayed Doppler domain interference power, the delayed Doppler domain interference power is determined based on the interference measurement signal corresponding to the first signal;

After determining the delayed Doppler domain received power RSRP corresponding to the first signal, determining the first delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain interference power. The delayed Doppler domain signal and interference evaluation index corresponding to one signal.

Optionally, the determining module 1220 is specifically used to:

Through the formula: Determine the delayed Doppler domain signal and interference evaluation index corresponding to the first signal;

Among them, T is any real number.

Optionally, the determining module 1220 is specifically used to:

Determine the first RSRP corresponding to a target port within a target time unit;

Use the first RSRP as the delayed Doppler domain received power RSRP corresponding to the first signal;

Optionally, the determining module 1220 is specifically used to:

Determine the first RSRP corresponding to a target port within a target time unit, where the first RSRP is the RSRP of the first signal from the target port received by the terminal within the target time unit;

Based on the first RSRP corresponding to the plurality of target ports in the target time unit, determine the second RSRP corresponding to the target time unit;

The second RSRP is taken as the delayed Doppler domain received power RSRP corresponding to the first signal.

Optionally, the determining module 1220 is specifically used to:

Determine a third RSRP based on the second RSRPs respectively corresponding to the plurality of target time units;

The third RSRP is regarded as the delayed Doppler domain received power RSRP corresponding to the first signal.

Optionally, the determination module 1220 is specifically used for any of the following:

Determine the linear average of the first RSRP corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit; or

Determine a weighted average of the first RSRPs corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit; or

Determine the largest first RSRP among the first RSRPs corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit; or

The smallest first RSRP among the first RSRPs corresponding to multiple target ports in the target time unit is determined as the second RSRP corresponding to the target time unit.

Determine the linear average of the second RSRP corresponding to the plurality of target time units as the third RSRP corresponding to the target time unit; or

Determine a weighted average of the second RSRPs corresponding to the plurality of target time units as the third RSRP corresponding to the target time unit; or

Determine the largest second RSRP among the second RSRPs corresponding to the plurality of target time units respectively, as the third RSRP corresponding to the target time unit; or

The smallest second RSRP among the second RSRPs respectively corresponding to the plurality of target time units is determined as the third RSRP corresponding to the target time unit.

Optionally, the determining module 1220 is specifically used to:

Determine a fourth RSRP based on the first RSRP respectively corresponding to the one target port within the plurality of target time units;

The fourth RSRP is taken as the delayed Doppler domain received power RSRP corresponding to the first signal.

Determine the linear average of the first RSRP corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit; or

Determine the weighted average of the first RSRP corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit; or

Determine the largest first RSRP among the first RSRPs respectively corresponding to the one target port in multiple target time units, as the fourth RSRP corresponding to the target time unit; or

The smallest first RSRP among the first RSRPs respectively corresponding to the one target port in multiple target time units is determined as the fourth RSRP corresponding to the target time unit.

Optionally, the determining module 1220 is specifically used to:

Determine the first delay Doppler area corresponding to the first signal from the target port received within the target time unit, the first delay Doppler area including the first bearer information in the delay Doppler The mapping area and guard zone area of the domain;

The RSRP corresponding to the first delay Doppler region is determined as the first RSRP corresponding to the target port in the target time unit.

Optionally, the determining module 1220 is specifically used to:

The RSRP corresponding to the first delayed Doppler area is determined in the delayed Doppler domain.

Optionally, the determining module 1220 is specifically used to:

Determine the first signal power, which is the signal power of the top Z signals ranked from largest to smallest among the signal powers of all signals in the first delayed Doppler region, or the first signal power is the signal power higher than the first power threshold among the signal powers of all signals in the first delayed Doppler region;

Determine the linear average of the first signal power as the RSRP corresponding to the first delayed Doppler region;

Z is a positive integer.

Optionally, the determining module 1220 is specifically used to:

determining a first sum of said first signal powers;

Divide the first sum by a first coefficient to obtain a linear average of the first signal power;

Z;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, the determining module 1220 is specifically used to:

The RSRP corresponding to the first delayed Doppler region is determined in the time-frequency domain.

Optionally, the determining module 1220 is specifically used to:

A second signal in the first delayed Doppler region is determined from the first signal received from the target port within the target time unit, the second signal being the first delayed Doppler region The top Q signals of all the signals in the signal are sorted from large to small in signal power, or the second signal is a signal whose signal power is higher than the second power threshold among all the signals in the first delayed Doppler region. ;

Convert the second signal to the time-frequency domain to obtain a third signal;

Determine the linear average of the signal power of the third signal as the RSRP corresponding to the first delayed Doppler region;

Q is a positive integer.

Optionally, the determining module 1220 is specifically used to:

determining a second sum of signal powers of the third signal;

Divide the second sum by a second coefficient to obtain a linear average of the signal power of the third signal;

Q;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, the determining module 1220 is specifically used to:

Determine the first RSSI corresponding to a target time unit, where the first RSSI is the RSSI of the first signal received by the terminal within the target time unit;

The first RSSI corresponding to the one target time unit is used as the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal.

Optionally, the determining module 1220 is specifically used to:

Determine a second delayed Doppler region corresponding to the first signal received at the target time unit, where the second delayed Doppler region includes a first delayed Doppler region;

The RSSI corresponding to the second delay Doppler region is determined as the first RSSI corresponding to the target time unit.

Optionally, the determining module 1220 is specifically used to:

The RSSI corresponding to the second delayed Doppler area is determined in the delayed Doppler domain.

Optionally, the determining module 1220 is specifically used to:

A linear average of all signal powers in the second delayed Doppler region is determined as the RSSI corresponding to the second delayed Doppler region.

Optionally, the determining module 1220 is specifically used to:

determining a third sum of all signal powers within the second delayed Doppler region;

Divide the third sum by a third coefficient to obtain a linear average of all signal powers in the second delayed Doppler region;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, the determining module 1220 is specifically used to:

The RSSI corresponding to the second delayed Doppler region is determined in the time-frequency domain.

Optionally, the determining module 1220 is specifically used to:

determining a fourth signal within the second delayed Doppler region from the first signal received at the target time unit;

Convert the fourth signal to the time-frequency domain to obtain a fifth signal;

Determine the linear average of the signal power of the fifth signal as the corresponding value of the second delayed Doppler region RSSI.

Optionally, the determining module 1220 is specifically used to:

determining a fourth sum of signal powers of the fifth signal;

Divide the fourth sum by a fourth coefficient to obtain a linear average of the signal power of the fifth signal;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, the device also includes:

A sending module, configured to send first information to the sending end, where the first information includes at least one of the following:

The quality level corresponding to the quality information;

Quantization encoding corresponding to said quality information; or

The quality information determination device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip. The electronic device may be a terminal or other devices other than the terminal. For example, terminals may include but are not limited to the types of terminals 11 listed above, and other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., which are not specifically limited in the embodiment of this application.

The quality information determining device in the embodiment of the present application may be an electronic device or a component in the electronic device, such as an integrated circuit or a chip. The electronic device may be a terminal or other devices other than the terminal. For example, the electronic device can be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle-mounted electronic device, a mobile internet device (Mobile Internet Device, MID), or augmented reality (AR)/virtual reality (VR). ) equipment, robots, wearable devices, ultra-mobile personal computers (UMPC), netbooks or personal digital assistants (personal digital assistants, PDA), etc., and can also be servers, network attached storage (Network Attached Storage), NAS), personal computer (PC), television (TV), teller machine or self-service machine, etc., the embodiments of this application are not specifically limited.

The quality information determination device in the embodiment of the present application may be a device with an operating system. The operating system can It is an Android operating system, may be an ios operating system, or may be other possible operating systems, which are not specifically limited in the embodiments of this application.

The quality information determination device provided by the embodiments of the present application can implement each process implemented by the method embodiments in Figures 6 to 11 and achieve the same technical effect. To avoid duplication, the details will not be described here.

Optionally, Figure 13 is a schematic structural diagram of a communication device provided by an embodiment of the present application. As shown in Figure 13, an embodiment of the present application also provides a communication device 1300, which includes a processor 1301 and a memory 1302. The memory 1302 stores A program or instruction that can be run on the processor 1301, for example, when the communication device 1300 is a terminal, when the program or instruction is executed by the processor 1301, it implements the steps of the above quality information determination method embodiment, and can achieve the same technical effects. When the communication device 1300 is a network-side device, when the program or instruction is executed by the processor 1301, each step of the above quality information determination method embodiment is implemented, and the same technical effect can be achieved. To avoid duplication, the details will not be repeated here.

An embodiment of the present application also provides a terminal, including a processor and a communication interface, and the communication interface is used for:

Processor used for:

Quality information corresponding to the first signal in the delayed Doppler domain is determined. This terminal embodiment corresponds to the above-mentioned terminal method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect. Specifically, FIG. 14 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.

The terminal 1400 includes but is not limited to: a radio frequency unit 1401, a network module 1402, an audio output unit 1403, an input unit 1404, a sensor 1405, a display unit 1406, a user input unit 1407, an interface unit 1408, a memory 1409, a processor 1410, etc. At least some parts.

Those skilled in the art can understand that the terminal 1400 may also include a power supply (such as a battery) that supplies power to various components. The power supply may be logically connected to the processor 1410 through a power management system, thereby managing charging, discharging, and power consumption through the power management system. Management and other functions. The terminal structure shown in FIG. 14 does not constitute a limitation on the terminal. The terminal may include more or fewer components than shown in the figure, or some components may be combined or arranged differently, which will not be described again here.

It should be understood that in the embodiment of the present application, the input unit 1404 may include a graphics processing unit (GPU) 14041 and a microphone 14042. The graphics processor 14041 is responsible for the image capture device (GPU) in the video capture mode or the image capture mode. Process the image data of still pictures or videos obtained by cameras (such as cameras). The display unit 1406 may include a display panel 14061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1407 includes at least one of a touch panel 14071 and other input devices 14072. Touch panel 14071, also known as touch screen. The touch panel 14071 may include two parts: a touch detection device and a touch controller. Other input devices 14072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.

In this embodiment of the present application, after receiving downlink data from the network side device, the radio frequency unit 1401 can transmit it to the processor 1410 for processing; in addition, the radio frequency unit 1401 can send uplink data to the network side device. Generally, the radio frequency unit 1401 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.

Memory 1409 may be used to store software programs or instructions as well as various data. The memory 1409 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc. Additionally, memory 1409 may include volatile memory or nonvolatile memory, or memory 1409 may include both volatile and nonvolatile memory. Among them, non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM). Memory 1409 in embodiments of the present application includes, but is not limited to, these and any other suitable types of memory.

The processor 1410 may include one or more processing units; optionally, the processor 1410 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1410.

Among them, the radio frequency unit 1401 is used for:

Processor 1410 is used for:

The determining module 1420 is used to determine the quality information corresponding to the first signal in the delayed Doppler domain.

In the embodiment of the present application, by determining the quality information corresponding to the first signal in the delayed Doppler domain after receiving the first signal in the delayed Doppler domain, the quality information corresponding to the signal in the delayed Doppler domain is clarified. The acquisition method facilitates the execution of services such as power control and cell switching, and improves the communication quality of the terminal.

Optionally, the processor 1410 is specifically used for any one or more of the following:

Optionally, the processor 1410 is specifically used to:

Among them, L is any real number.

Optionally, the processor 1410 is specifically used to:

Among them, T is any real number.

Optionally, the processor 1410 is specifically used to:

Optionally, the processor 1410 is specifically used for any of the following:

Optionally, the processor 1410 is specifically used to:

Optionally, the processor 1410 is specifically used for any of the following:

Optionally, the processor 1410 is specifically used to:

Z is a positive integer.

Optionally, the processor 1410 is specifically used to:

determining a first sum of said first signal powers;

Z;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, the processor 1410 is specifically used to:

Q is a positive integer.

Optionally, the processor 1410 is specifically used to:

determining a second sum of signal powers of the third signal;

Q;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, the processor 1410 is specifically used to:

Determine a second RSSI based on the first RSSI respectively corresponding to a plurality of the target time units;

The second RSSI is used as the delayed Doppler domain signal strength indication RSSI corresponding to the first signal.

Optionally, the processor 1410 is specifically used to:

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, the processor 1410 is specifically used to:

A linear average of the signal power of the fifth signal is determined as the RSSI corresponding to the second delayed Doppler region.

Optionally, the processor 1410 is specifically used to:

determining a fourth sum of signal powers of the fifth signal;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.

Optionally, the processor 1410 is specifically used to:

Send first information to the sending end, where the first information includes at least one of the following:

The quality level corresponding to the quality information;

Quantization encoding corresponding to said quality information; or

Embodiments of the present application also provide a readable storage medium. Programs or instructions are stored on the readable storage medium. When the program or instructions are executed by a processor, each process of the above quality information determination method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.

Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.

An embodiment of the present application further provides a chip. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the above embodiments of the quality information determination method. Each process can achieve the same technical effect. To avoid repetition, we will not go into details here.

It should be understood that the chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.

Embodiments of the present application further provide a computer program/program product. The computer program/program product is stored in a storage medium. The computer program/program product is executed by at least one processor to implement the above quality information determination method. Each process in the example can achieve the same technical effect. To avoid repetition, we will not repeat it here.

Embodiments of the present application also provide a quality information determination system, including: a terminal, the terminal can be used to perform the steps of the quality information determination method as described above, and the network side device can be used to perform the quality information determination as described above. Method steps.

It should be noted that, in this document, the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or apparatus. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article or apparatus that includes that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions may be performed, for example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation. Based on this understanding, the technical solution of the present application is essentially or in other words an improvement on the existing technology. The contribution can be reflected in the form of a computer software product. The computer software product is stored in a storage medium (such as ROM/RAM, disk, optical disk) and includes a number of instructions to enable a terminal (which can be a mobile phone). , computer, server, air conditioner, or network device, etc.) execute the methods described in various embodiments of this application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Inspired by this application, many forms can be made without departing from the purpose of this application and the scope protected by the claims, all of which fall within the protection of this application.

Claims

A method for determining quality information, including:

The terminal receives a first signal, and the transmission signal corresponding to the first signal is a signal that maps the first bearer information to the delayed Doppler domain and then converts it to a time domain transmission;

The terminal determines quality information corresponding to the first signal in the delayed Doppler domain.
The quality information determination method according to claim 1, wherein the quality information corresponding to the first signal in the delayed Doppler domain determined by the terminal includes any one or more of the following:

The terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal;

The terminal determines the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal;

The terminal determines the delayed Doppler domain reception quality RSRQ corresponding to the first signal; or

The terminal determines the delayed Doppler domain signal and interference evaluation index corresponding to the first signal.
The quality information determination method according to claim 2, wherein the terminal determines the delayed Doppler domain reception quality RSRQ corresponding to the first signal, including:

After the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal, and the terminal determines the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal, the terminal based on the The delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain signal strength indication RSSI corresponding to the first signal determine the delayed Doppler domain received quality RSRQ corresponding to the first signal.
The quality information determination method according to claim 3, wherein the terminal is based on the delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal. , determining the delayed Doppler domain reception quality RSRQ corresponding to the first signal, including:

The terminal passes the formula: Determine the delayed Doppler domain reception quality RSRQ corresponding to the first signal;

Among them, L is any real number.
The quality information determination method according to claim 2, wherein the terminal determines the delayed Doppler domain signal and interference evaluation index corresponding to the first signal, including:

The terminal determines the delayed Doppler domain interference power, and the delayed Doppler domain interference power is determined based on the interference measurement signal corresponding to the first signal;

After the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal, the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain interference. power, and determine the delayed Doppler domain signal and interference evaluation index corresponding to the first signal.
The quality information determination method according to claim 5, wherein the terminal determines the first signal based on the delayed Doppler domain received power RSRP corresponding to the first signal and the delayed Doppler domain interference power. The corresponding delayed Doppler domain signal and interference evaluation indicators include:

The terminal passes the formula: Determine the delayed Doppler domain signal and interference evaluation index corresponding to the first signal;

Among them, T is any real number.
The quality information determination method according to any one of claims 2 to 6, wherein the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal, including:

The terminal determines the first RSRP corresponding to a target port within a target time unit;

The terminal uses the first RSRP as the delayed Doppler domain received power RSRP corresponding to the first signal;

Wherein, the first RSRP is the RSRP of the first signal from the target port received by the terminal within the target time unit.
The quality information determination method according to any one of claims 2 to 6, wherein the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal, including:

The terminal determines the first RSRP corresponding to a target port within a target time unit, where the first RSRP is the RSRP of the first signal from the target port received by the terminal within the target time unit;

The terminal determines the second RSRP corresponding to the target time unit based on the first RSRP corresponding to the plurality of target ports in the target time unit;

The terminal uses the second RSRP as the delayed Doppler domain received power RSRP corresponding to the first signal.
The quality information determination method according to any one of claims 2 to 6, wherein the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal, including:

The terminal determines the first RSRP corresponding to a target port within a target time unit, where the first RSRP is the RSRP of the first signal from the target port received by the terminal within the target time unit;

The terminal determines the second RSRP corresponding to the target time unit based on the first RSRP corresponding to the plurality of target ports in the target time unit;

The terminal determines a third RSRP based on the second RSRPs respectively corresponding to the plurality of target time units;

The terminal uses the third RSRP as the delayed Doppler domain received power RSRP corresponding to the first signal.
The quality information determination method according to claim 8 or 9, wherein the terminal determines the first RSRP corresponding to the target time unit based on the first RSRP respectively corresponding to a plurality of the target ports in the target time unit. 2 RSRP, including any of the following:

The terminal determines the linear average of the first RSRP corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit; or

The terminal determines a weighted average of the first RSRPs corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit; or

The terminal determines the largest first RSRP among the first RSRPs corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit; or

The terminal determines the smallest first RSRP among the first RSRPs corresponding to multiple target ports in the target time unit as the second RSRP corresponding to the target time unit.
The method for determining quality information according to any one of claims 8-10, wherein the first bearer information corresponding to the transmission signals respectively transmitted by the plurality of target ports is transmitted through delayed Doppler resources that do not overlap with each other. .
The quality information determination method according to any one of claims 8 to 10, wherein the first bearer information corresponding to the transmission signals respectively transmitted by the plurality of target ports is a mutually orthogonal sequence.
The quality information determination method according to claim 9, wherein the terminal determines a third RSRP based on the second RSRP respectively corresponding to a plurality of the target time units, including any of the following:

The terminal determines a linear average of the second RSRPs corresponding to the plurality of target time units as the third RSRP corresponding to the target time unit; or

The terminal determines a weighted average of the second RSRPs corresponding to the plurality of target time units as the third RSRP corresponding to the target time unit; or

The terminal determines the largest second RSRP among the second RSRPs corresponding to the plurality of target time units respectively, as the third RSRP corresponding to the target time unit; or

The terminal determines the smallest second RSRP among the second RSRPs respectively corresponding to the plurality of target time units as the third RSRP corresponding to the target time unit.
The quality information determination method according to any one of claims 2 to 6, wherein the terminal determines the delayed Doppler domain received power RSRP corresponding to the first signal, including:

The terminal determines the first RSRP corresponding to a target port within a target time unit, where the first RSRP is the RSRP of the first signal from the target port received by the terminal within the target time unit;

The terminal determines a fourth RSRP based on the first RSRP corresponding to the one target port in multiple target time units;

The terminal uses the fourth RSRP as the delayed Doppler domain received power RSRP corresponding to the first signal.
The quality information determination method according to claim 14, wherein the terminal determines a fourth RSRP based on the first RSRP respectively corresponding to the one target port in a plurality of the target time units, including any of the following:

The terminal determines the linear average of the first RSRP corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit; or

The terminal determines the weighted average of the first RSRP corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit; or

The terminal determines the largest first RSRP among the first RSRPs corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit; or

The terminal determines the smallest first RSRP among the first RSRPs corresponding to the one target port in multiple target time units as the fourth RSRP corresponding to the target time unit.
The quality information determination method according to any one of claims 9 or 13-15, wherein the plurality of target time units are continuous, periodic, or non-periodic and discontinuous.
The quality information determination method according to any one of claims 7-16, wherein the terminal determines the first RSRP corresponding to a target port within a target time unit, including:

The terminal determines a first delay Doppler area corresponding to the first signal from the target port received within the target time unit, and the first delay Doppler area includes the delay time of the first bearer information. The mapping area and guard zone area of the Doppler domain;

The terminal determines the RSRP corresponding to the first delay Doppler region as the first RSRP corresponding to the target port in the target time unit.
The quality information determination method according to claim 17, wherein the terminal determines the RSRP corresponding to the first delayed Doppler region including:

The terminal determines the RSRP corresponding to the first delayed Doppler area in the delayed Doppler domain.
The quality information determination method according to claim 18, wherein the terminal determines the RSRP corresponding to the first delayed Doppler area in the delayed Doppler domain, including:

The terminal determines a first signal power, which is the top Z signal power in descending order among the signal powers of all signals in the first delayed Doppler region, or the first Z signal power. One signal power is the signal power higher than the first power threshold among the signal powers of all signals in the first delayed Doppler region;

The terminal determines the linear average of the first signal power as the RSRP corresponding to the first delayed Doppler region;

Z is a positive integer.
The quality information determination method according to claim 19, wherein the terminal determines the linear average value of the first signal power, including:

The terminal determines a first sum of the first signal powers;

The terminal divides the first sum by a first coefficient to obtain a linear average of the first signal power;

Among them, the first coefficient is any of the following or is proportional to any of the following:

The total number of delayed Doppler resource grids in the first delayed Doppler area;

Z;

The number of signals whose signal power is higher than the first power threshold among all signals in the first delayed Doppler region;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.
The quality information determination method according to claim 17, wherein the terminal determines the RSRP corresponding to the first delayed Doppler region, including:

The terminal determines the RSRP corresponding to the first delay Doppler region in the time-frequency domain.
The quality information determination method according to claim 21, wherein the terminal determines the RSRP corresponding to the first delayed Doppler region in the time-frequency domain, including:

The terminal determines a second signal in the first delayed Doppler region from the first signal received from the target port within the target time unit, and the second signal is the first delayed Doppler region. The top Q signals of all signals in the Doppler area are sorted from large to small in signal power, or the second signal is a signal power higher than the second power among all signals in the first delayed Doppler area. threshold signal;

The terminal converts the second signal into the time-frequency domain to obtain a third signal;

The terminal determines a linear average of the signal power of the third signal as the RSRP corresponding to the first delayed Doppler region;

Q is a positive integer.
The quality information determination method according to claim 22, wherein the terminal determines a linear average value of the signal power of the third signal, including:

The terminal determines a second sum of signal powers of the third signal;

The terminal divides the second sum by a second coefficient to obtain a linear average of the signal power of the third signal;

Among them, the second coefficient is any of the following or is proportional to any of the following:

The total number of delayed Doppler resource grids in the first delayed Doppler area;

Q;

The number of signals among all signals in the first delayed Doppler region whose signal power is higher than the second power threshold;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.
The quality information determination method according to any one of claims 2-23, wherein the terminal determines the Delayed Doppler Domain Signal Strength Indication RSSI corresponding to the first signal, including:

The terminal determines a first RSSI corresponding to a target time unit, where the first RSSI is the RSSI of the first signal received by the terminal within the target time unit;

The terminal uses the first RSSI corresponding to the one target time unit as the delayed Doppler domain signal strength indicator RSSI corresponding to the first signal.
The quality information determination method according to any one of claims 2-23, wherein the terminal determines the Delayed Doppler Domain Signal Strength Indication RSSI corresponding to the first signal, including:

The terminal determines a first RSSI corresponding to a target time unit, where the first RSSI is the RSSI of the first signal received by the terminal within the target time unit;

The terminal determines a second RSSI based on the first RSSI respectively corresponding to a plurality of the target time units;

The terminal uses the second RSSI as the delayed Doppler domain signal strength indication RSSI corresponding to the first signal.
The quality information determination method according to claim 25, wherein the plurality of target time units Be continuous, or periodic, or aperiodic and discontinuous.
The quality information determination method according to any one of claims 22 to 26, wherein the terminal determines the first RSSI corresponding to a target time unit, including:

The terminal determines a second delayed Doppler area corresponding to the first signal received in the target time unit, and the second delayed Doppler area includes a first delayed Doppler area;

The terminal determines the RSSI corresponding to the second delay Doppler region as the first RSSI corresponding to the target time unit.
The quality information determination method according to claim 27, wherein the terminal determines the RSSI corresponding to the second delayed Doppler region, including:

The terminal determines the RSSI corresponding to the second delayed Doppler area in the delayed Doppler domain.
The quality information determination method according to claim 28, wherein the terminal determines the RSSI corresponding to the second delayed Doppler area in the delayed Doppler domain, including:

The terminal determines the linear average of all signal powers in the second delayed Doppler region as the RSSI corresponding to the second delayed Doppler region.
The quality information determination method according to claim 29, wherein the terminal determines a linear average of all signal powers in the second delayed Doppler region, including:

The terminal determines a third sum of all signal powers within the second delayed Doppler region;

The terminal divides the third sum by a third coefficient to obtain a linear average of all signal powers in the second delayed Doppler region;

Among them, the third coefficient is any of the following or is proportional to any of the following:

The total number of delayed Doppler resource grids in the second delayed Doppler area;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.
The quality information determination method according to claim 27, wherein the terminal determines the RSSI corresponding to the second delayed Doppler region, including:

The terminal determines the RSSI corresponding to the second delay Doppler region in the time-frequency domain.
The quality information determination method according to claim 31, wherein the terminal determines the RSSI corresponding to the second delayed Doppler region in the time-frequency domain, including:

The terminal determines a fourth signal within the second delayed Doppler region from the first signal received in the target time unit;

The terminal converts the fourth signal into the time-frequency domain to obtain a fifth signal;

The terminal determines a linear average of the signal power of the fifth signal as the RSSI corresponding to the second delayed Doppler region.
The quality information determination method according to claim 32, wherein the terminal determines that the fifth signal The linear average of the signal power, including:

The terminal determines a fourth sum of signal powers of the fifth signal;

The terminal divides the fourth sum by a fourth coefficient to obtain a linear average of the signal power of the fifth signal;

Among them, the fourth coefficient is any of the following or is proportional to any of the following:

The total number of delayed Doppler resource grids in the second delayed Doppler area;

The total number of delay direction resource rasters;

The total number of Doppler direction resource rasters; or

Total number of delayed Doppler resource rasters.
The method for determining quality information according to any one of claims 1-33, wherein the first bearer information includes any one or more of the following:

Synchronization signal, reference signal, or signal used to measure cross-link interference CLI.
The quality information determination method according to any one of claims 1-34, wherein the method further includes:

The terminal sends first information to the sending end, and the first information includes at least one of the following:

Quality information corresponding to the first signal in the delayed Doppler domain;

The quality level corresponding to the quality information;

Quantization encoding corresponding to said quality information; or

The size relationship between the quality information and historical quality information.
A quality information determination device, including:

A receiving module, configured to receive a first signal. The transmission signal corresponding to the first signal is a signal that maps the first bearer information in the delayed Doppler domain and then converts it to a time domain transmission signal;

A determining module, configured to determine quality information corresponding to the first signal in the delayed Doppler domain.
A terminal, including a processor and a memory, the memory stores programs or instructions that can be run on the processor, and when the programs or instructions are executed by the processor, the implementation of any one of claims 1 to 35 is achieved. The steps of the quality information determination method described above.
A readable storage medium on which a program or instructions are stored. When the program or instructions are executed by a processor, the steps of the quality information determination method according to any one of claims 1 to 35 are implemented.