Communication method and device, equipment and storage medium

Abstract

The invention provides a communication method and device, equipment and a storage medium. The method comprises: a first device determines a first signal, the first signal comprising a communication signal and a sensing signal, the communication signal and the sensing signal occupying the same time-frequency resource, and the first device sends the first signal to a second device. The sensing signal does not occupy communication resources between the first device and the second device, and the influence of the sensing signal on the communication capacity is reduced.

Description

Communication method, device, equipment and storage medium Technical Field

[0001] The present application relates to the field of communication technologies, and in particular to a communication method, apparatus, device, and storage medium. Background Art

[0002] With the evolution of communications technology, such as the fifth-generation (5G) mobile communications system, both technically and operationally, service elements are expanding to include intelligent entities, physical spaces, and virtual spaces. Information processing requirements are expanding from information transmission to information collection and computation. Emerging services are placing higher demands on mobile communications networks for end-to-end information processing capabilities, making communication and perception integration a leading trend in communications technology and services.

[0003] In the communication and perception integration scenario, communication and perception can be achieved by inserting a pilot signal for perception into the communication signal. However, since the pilot signal occupies communication resources, it will inevitably lead to a reduction in communication capacity.

[0004] Summary of the Invention

[0005] The embodiments of the present application provide a communication method, apparatus, device, and storage medium, in order to save the occupation of communication resources by pilot signals used for perception in a communication and perception integration scenario, thereby improving communication capacity.

[0006] In a first aspect, an embodiment of the present application provides a communication method, comprising: a first device determines a first signal, the first signal comprising a communication signal and a perception signal, the communication signal and the perception signal occupying the same time-frequency resources; the first device sends the first signal to a second device.

[0007] Through the communication method provided in the first aspect, in the first signal determined by the first device, the perception signal and the communication signal occupy the same time-frequency resources. In other words, a dual-waveform first signal is obtained by superimposing the communication signal and the perception signal. The first device sends the first signal to the second device to achieve communication and perception, so that the perception signal does not occupy time-frequency resources, thereby reducing the impact of the perception signal on the communication capacity.

[0008] In one possible embodiment, the first peak is greater than the second peak, the first peak is a frequency domain peak obtained by time domain correlation between the perception signal and the delayed signal of the perception signal, and the second peak is a frequency domain peak obtained by time domain correlation between the communication signal and the delayed signal of the communication signal.

[0009] Through the communication method provided by this embodiment, when the first peak is greater than the second peak, the second device processes in the frequency domain to achieve perception, so that the communication signal does not interfere with the frequency domain signal; and, when receiving the communication signal, the second device is not correlated with the frequency domain peak of the signal, so the perception signal will not interfere with the reception of the communication signal because the first peak is greater than the second peak.

[0010] In one possible embodiment, the first device sends the first signal to the second device, including: the first device sends the first signal through N target antenna ports, the N target antenna ports are included in the intersection of W first antenna ports and M second antenna ports, the W first antenna ports are used to send perception signals, and the M second antenna ports are used to send communication signals, W and M are both greater than or equal to N, and N is greater than or equal to 1.

[0011] Through the communication method provided by this embodiment, different antenna ports are configured for communication, perception, and integrated communication and perception, so as to realize flexible configuration based on different device requirements in multiple-input and multiple-output (MIMO) scenarios. For example, communication signals are sent through some antenna ports, perception signals are sent through some antenna ports, and the superimposed first signal is sent through some antenna ports. Referring to Figure 6, the perception signal and the communication signal can be sent through different antenna ports, and there is an intersection between the antenna port sending the perception signal and the antenna port sending the communication signal, and the first signal is sent on the antenna port of the intersection.

[0012] In one possible implementation, the i-th target antenna port is the i-th second antenna port among the N second antenna ports, the N second antenna ports are the second antenna ports among the M second antenna ports that fall within the intersection of the W first antenna ports and the M second antenna ports, i is less than or equal to N and greater than or equal to 1; the i-th second antenna port and the i-th first antenna port or the N-i+1-th first antenna port among the N first antenna ports are the same antenna port, and the N first antenna ports are the second antenna ports among the W first antenna ports that fall within the intersection of the W first antenna ports and the M second antenna ports. or, the i-th second antenna port belongs to the j-th second antenna port group, the j-th second antenna port group is the antenna port group obtained by dividing the N second antenna ports, the j-th second antenna port group is the j-th first antenna port or the M'-j+1-th first antenna port among the M' first antenna ports, the M' first antenna ports are the first antenna ports among the W first antenna ports that fall into the intersection of the W first antenna ports and the M second antenna ports, j is less than or equal to M' and greater than or equal to 1, and M' is less than or equal to N and greater than or equal to 1.

[0013] The communication method provided by this embodiment enables flexible configuration of the antenna port of the first signal.

[0014] In a possible implementation manner, among the M' second antenna port groups obtained by dividing the N second antenna ports, the jth second antenna port group includes the f(j)th to f(j+1)-1th second antenna ports; wherein f(j) is equal to

[0015] or

[0016] The communication method provided in this embodiment provides a possible implementation for the situation where one first antenna port corresponds to multiple second antenna ports, thereby improving the flexible configuration of the antenna port for the first signal.

[0017] In a possible implementation, the power ratio of the communication signal in the first signal and the power ratio of the perception signal in the first signal are both related to the modulation ratio α on the time-frequency resource.

[0018] Through the communication method provided in this embodiment, flexible scheduling of the power of the communication signal and the perception signal in the first signal is achieved.

[0019] In a possible implementation manner, the time domain waveform s of the first signal satisfies one of the following:

[0020]

[0021] s=a1s1+a2s2, a1 is the power ratio of the communication signal in the first signal, and a2 is the power ratio of the perception signal in the first signal;

[0022] Among them, s1 is the time domain waveform of the communication signal, and s2 is the time domain waveform of the perception signal.

[0023] With the communication method provided in this embodiment, when the time-domain waveform of the first signal satisfies the first formula, the sum of the power of the communication signal and the perception signal remains stable, enabling RF components, including the RF amplifier, to operate in a stable state. When the time-domain waveform of the first signal satisfies the second formula, there is no requirement for the sum of the power of the communication signal and the perception signal to remain stable. In this case, the power of the communication signal and the perception signal can be allocated more flexibly. Furthermore, in the above example, the first signal tends to set the power of the communication signal higher to ensure communication reliability.

[0024] In a possible embodiment, the method also includes: the first device receives first indication information sent by the third device, and the first indication information is used to indicate the modulation ratio α; the first device sends second indication information to the second device, and the second indication information is used to indicate the modulation ratio α; or, the first device receives third indication information sent by the second device, and the third indication information is used to indicate the modulation ratio α.

[0025] Optionally, the first indication information is carried in downlink control information DCI.

[0026] Through the communication method provided in this embodiment, the third device sends the first indication information to the first device to achieve flexible configuration of the modulation ratio α.

[0027] Optionally, the second indication information is carried in DCI or sidelink control information SCI.

[0028] Optionally, the third indication information is carried in DCI or SCI.

[0029] Through the communication method provided in this embodiment, the modulation ratio α is flexibly configured between the first device and the second device through downlink or sidelink transmission.

[0030] In a possible implementation, at least one of the first indication information, the second indication information, or the third indication information includes an MCS index, and the MCS index corresponds to the modulation ratio α.

[0031] The communication method provided by this embodiment does not require additional signaling or fields to indicate the modulation ratio α, thus saving signaling overhead.

[0032] In a possible implementation, the method further includes: the first device receiving capability information sent by the second device, where the capability information is used to indicate a perceived interference cancellation capability of the second device, and the perceived interference cancellation capability is used to determine the modulation ratio α.

[0033] The communication method provided by this embodiment facilitates the first device to determine a matching modulation ratio α based on the perceived interference elimination capability of the second device, so as to improve the signal processing capability of the second device for the first signal and avoid the perceived signal in the first signal from causing significant interference to the communication signal.

[0034] In a possible implementation manner, when the second device has a capability of eliminating perceived interference, the first device sends the second indication information to the second device.

[0035] The communication method provided by this embodiment avoids sending the second indication information to the second device when the second device cannot eliminate the perception signal in the first signal, thereby reducing signaling overhead.

[0036] In a possible implementation, the modulation ratio α is related to at least one of a signal-to-noise ratio, a code rate, a modulation mode, and a code length of the second device.

[0037] The communication method provided in this embodiment improves the matching degree between the modulation ratio α and the second device, which is beneficial for the second device to determine the communication signal and the perception signal in the first signal.

[0038] In a possible implementation manner, the time-frequency resource includes L resource elements, and the modulation ratio of the kth resource element in the L resource elements is α k , the modulation ratio of the hth resource element among the L resource elements is α h , α k With α h Different, k and h are both less than or equal to L, and k and h are both greater than or equal to 1.

[0039] The communication method provided by this embodiment can schedule the modulation ratio of each resource element in the time-frequency resource to be α k , reducing the scheduling granularity of the modulation ratio to improve the accuracy of the second device in determining the communication signal and the perception signal in the first signal.

[0040] In a second aspect, an embodiment of the present application provides a communication method, comprising: a second device receives a first signal from a first device, the first signal including a communication signal and a perception signal, the communication signal and the perception signal occupying the same time-frequency resources; the second device determines the communication signal and the perception signal.

[0041] In a possible implementation, the second device determines the communication signal and the perception signal, including:

[0042] The second device performs perception elimination on the first signal according to the modulation ratio α on the time-frequency resource to obtain the communication signal.

[0043] In one possible embodiment, the first peak is greater than the second peak, the first peak is a frequency domain peak obtained by time domain correlation between the perception signal and the delayed signal of the perception signal, and the second peak is a frequency domain peak obtained by time domain correlation between the communication signal and the delayed signal of the communication signal.

[0044] In a possible implementation, the power ratio of the communication signal in the first signal and the power ratio of the perception signal in the first signal are both related to the modulation ratio α on the time-frequency resource.

[0045] In a possible implementation manner, the time domain waveform s of the first signal satisfies one of the following:

[0046]

[0047] s=a1s1+a2s2, a1 is the power ratio of the communication signal in the first signal, and a2 is the power ratio of the perception signal in the first signal;

[0048] Among them, s1 is the time domain waveform of the communication signal, and s2 is the time domain waveform of the perception signal.

[0049] In a possible embodiment, the method also includes: the second device receives first indication information sent by the third device, the first indication information is used to indicate the modulation ratio α, the second device receives second indication information sent by the first device, the second indication information is used to indicate the modulation ratio α; or, the second device sends third indication information to the first device; wherein the third indication information is used to indicate the modulation ratio α.

[0050] In a possible implementation manner, the first indication information is carried in downlink control information DCI.

[0051] In a possible implementation manner, the second indication information is carried in DCI or sidelink control information SCI.

[0052] In a possible implementation manner, the third indication information is carried in DCI or SCI.

[0053] In a possible implementation, at least one of the first indication information, the second indication information, or the third indication information includes an MCS index, and the MCS index corresponds to the modulation ratio α.

[0054] In a possible implementation, the method further includes: the second device sending capability information to the first device, where the capability information is used to indicate a perceived interference cancellation capability of the second device, and the perceived interference cancellation capability is used to determine the modulation ratio α.

[0055] In a possible implementation manner, when the second device has a capability of eliminating sensing interference, the second device receives the second indication information sent by the first device.

[0056] In a possible implementation, the modulation ratio α is related to at least one of a signal-to-noise ratio, a code rate, a modulation mode, and a code length of the second device.

[0057] In a possible implementation manner, the time-frequency resource includes L resource elements, and the modulation ratio of the kth resource element in the L resource elements is α k , the modulation ratio of the hth resource element among the L resource elements is α h , α k With αh Different, k and h are both less than or equal to L, and k and h are both greater than or equal to 1.

[0058] The beneficial effects of the communication method provided by the second aspect and its possible implementation methods can be found in the beneficial effects brought about by the first aspect and its possible implementation methods, and will not be repeated here.

[0059] In a third aspect, an embodiment of the present application provides a communication device, comprising: a processing module for determining a first signal, the first signal comprising a communication signal and a perception signal, the communication signal and the perception signal occupying the same time-frequency resources; and a transceiver module for sending the first signal to a second device.

[0060] In one possible embodiment, the first peak is greater than the second peak, the first peak is a frequency domain peak obtained by time domain correlation between the perception signal and the delayed signal of the perception signal, and the second peak is a frequency domain peak obtained by time domain correlation between the communication signal and the delayed signal of the communication signal.

[0061] In one possible embodiment, the transceiver module is specifically used to: send the first signal through N target antenna ports, the N target antenna ports are included in the intersection of W first antenna ports and M second antenna ports, the W first antenna ports are used to send perception signals, and the M second antenna ports are used to send communication signals, W and M are both greater than or equal to N, and N is greater than or equal to 1.

[0062] In one possible implementation, the i-th target antenna port is the i-th second antenna port among the N second antenna ports, the N second antenna ports are the second antenna ports among the M second antenna ports that fall within the intersection of the W first antenna ports and the M second antenna ports, i is less than or equal to N and greater than or equal to 1; the i-th second antenna port and the i-th first antenna port or the N-i+1-th first antenna port among the N first antenna ports are the same antenna port, and the N first antenna ports are the second antenna ports among the W first antenna ports that fall within the intersection of the W first antenna ports and the M second antenna ports. or, the i-th second antenna port belongs to the j-th second antenna port group, the j-th second antenna port group is the antenna port group obtained by dividing the N second antenna ports, the j-th second antenna port group is the j-th first antenna port or the M'-j+1-th first antenna port among the M' first antenna ports, the M' first antenna ports are the first antenna ports among the W first antenna ports that fall into the intersection of the W first antenna ports and the M second antenna ports, j is less than or equal to M' and greater than or equal to 1, and M' is less than or equal to N and greater than or equal to 1.

[0063] In a possible implementation manner, among the M' second antenna port groups obtained by dividing the N second antenna ports, the jth second antenna port group includes the f(j)th to f(j+1)-1th second antenna ports; wherein f(j) is equal to

[0064] or

[0065] In a possible implementation, the power ratio of the communication signal in the first signal and the power ratio of the perception signal in the first signal are both related to the modulation ratio α on the time-frequency resource.

[0066] In a possible implementation manner, the time domain waveform s of the first signal satisfies one of the following:

[0067]

[0068] s=a1s1+a2s2, a1 is the power ratio of the communication signal in the first signal, and a2 is the power ratio of the sensing signal in the first signal;

[0069] Among them, s1 is the time domain waveform of the communication signal, and s2 is the time domain waveform of the perception signal.

[0070] In one possible embodiment, the transceiver module is also used to: receive first indication information sent by a third device, the first indication information being used to indicate the modulation ratio α; or, send second indication information to the second device, the second indication information being used to indicate the modulation ratio α; or, receive third indication information sent by the second device, the third indication information being used to indicate the modulation ratio α.

[0071] In a possible implementation manner, the first indication information is carried in downlink control information DCI.

[0072] In a possible implementation manner, the second indication information is carried in DCI or sidelink control information SCI.

[0073] In a possible implementation manner, the third indication information is carried in DCI or SCI.

[0074] In a possible implementation manner, at least one of the first indication information, the second indication information, or the third indication information includes a modulation and coding strategy MCS index, and the MCS index corresponds to the modulation ratio α.

[0075] In a possible implementation, the transceiver module is further configured to receive capability information sent by the second device, where the capability information is used to indicate a perceived interference cancellation capability of the second device, and the perceived interference cancellation capability is used to determine the modulation ratio α.

[0076] In a possible implementation, when the second device has a capability of eliminating perceived interference, the transceiver module sends the second indication information to the second device.

[0077] In a possible implementation, the modulation ratio α is related to at least one of a signal-to-noise ratio, a code rate, a modulation mode, and a code length of the second device.

[0078] In a possible implementation manner, the time-frequency resource includes L resource elements, and the modulation ratio of the kth resource element in the L resource elements is α k , the modulation ratio of the hth resource element among the L resource elements is α h , α k With α h Different, k and h are both less than or equal to L, and k and h are both greater than or equal to 1.

[0079] The beneficial effects of the communication device provided by the third aspect and each possible implementation of the third aspect can be referred to the beneficial effects brought about by the first aspect and each possible implementation of the first aspect, and will not be repeated here.

[0080] In a fourth aspect, an embodiment of the present application provides a communication method, including: a transceiver module for receiving a first signal from a first device, the first signal including a communication signal and a perception signal, the communication signal and the perception signal occupying the same time-frequency resources; a processing module for determining the communication signal and the perception signal.

[0081] In a possible implementation, the processing module is specifically configured to perform perceptual elimination on the first signal according to a modulation ratio α on the time-frequency resource to obtain the communication signal.

[0082] In one possible embodiment, the first peak is greater than the second peak, the first peak is a frequency domain peak obtained by time domain correlation between the perception signal and the delayed signal of the perception signal, and the second peak is a frequency domain peak obtained by time domain correlation between the communication signal and the delayed signal of the communication signal.

[0083] In a possible implementation, the power ratio of the communication signal in the first signal and the power ratio of the perception signal in the first signal are both related to the modulation ratio α on the time-frequency resource.

[0084] In a possible implementation manner, the time domain waveform s of the first signal satisfies one of the following:

[0085]

[0086] s=a1s1+a2s2, a1 is the power ratio of the communication signal in the first signal, and a2 is the power ratio of the sensing signal in the first signal;

[0087] Among them, s1 is the time domain waveform of the communication signal, and s2 is the time domain waveform of the perception signal.

[0088] In one possible embodiment, the transceiver module is also used to: receive first indication information sent by a third device, the first indication information is used to indicate the modulation ratio α; or, receive second indication information sent by the first device, the second indication information is used to indicate the modulation ratio α; or, send third indication information to the first device, the third indication information is used to indicate the modulation ratio α; wherein, both the second indication information and the third indication information are used to indicate the modulation ratio α.

[0089] In a possible implementation manner, the first indication information is carried in downlink control information DCI.

[0090] In a possible implementation manner, the second indication information is carried in DCI or sidelink control information SCI.

[0091] In a possible implementation manner, the third indication information is carried in DCI or SCI.

[0092] In a possible implementation manner, at least one of the first indication information, the second indication information, or the third indication information includes an MCS index, and the MCS index corresponds to the modulation ratio α.

[0093] In a possible implementation, the transceiver module is further configured to: send capability information to the first device, where the capability information is used to indicate a perceived interference cancellation capability of the communication device, and the perceived interference cancellation capability is used to determine the modulation ratio α.

[0094] In a possible implementation, when the communication device has a capability of eliminating perceived interference, the transceiver module receives the second indication information sent by the first device.

[0095] In a possible implementation, the modulation ratio α is related to at least one of a signal-to-noise ratio, a code rate, a modulation mode, and a code length of the communication device.

[0096] In a possible implementation manner, the time-frequency resource includes L resource elements, and the modulation ratio of the kth resource element in the L resource elements is α k , the modulation ratio of the hth resource element among the L resource elements is α h , α k With α h Different, k and h are both less than or equal to L, and k and h are both greater than or equal to 1.

[0097] The beneficial effects of the communication device provided by the fourth aspect and each possible implementation of the fourth aspect can be referred to the beneficial effects brought about by the first aspect and each possible implementation of the first aspect, and will not be repeated here.

[0098] In a fifth aspect, an embodiment of the present application provides a communication device, comprising: a processor, configured to execute the method in the first aspect, the second aspect, or each possible implementation manner by running a computer program or through a logic circuit.

[0099] In a sixth aspect, an embodiment of the present application provides a communication system, comprising: a first device for executing the method in the first aspect or each possible implementation, and a second device for executing the method in the second aspect or each possible implementation.

[0100] In a seventh aspect, an embodiment of the present application provides a computer-readable storage medium for storing computer program instructions, wherein the computer program enables a computer to execute the method in the first aspect, the second aspect or each possible embodiment described above.

[0101] In an eighth aspect, an embodiment of the present application provides a computer program product, comprising computer program instructions, which enable a computer to execute the method in the first aspect, the second aspect or each possible implementation manner described above.

[0102] In a ninth aspect, an embodiment of the present application provides a computer program that enables a computer to execute the method in the first aspect, the second aspect, or each possible implementation manner described above. BRIEF DESCRIPTION OF THE DRAWINGS

[0103] FIG1 is a schematic diagram of a transmitted signal and a reflected signal provided in an embodiment of the present application.

[0104] FIG2 a is a schematic diagram of a communication-aware single-base system provided in an embodiment of the present application.

[0105] FIG2 b is a schematic diagram of a communication-aware dual-base system provided in an embodiment of the present application.

[0106] Figures 3a and 3b are schematic diagrams of a dual-base system for communication perception fusion provided in an embodiment of the present application.

[0107] FIG4 shows a schematic diagram of a communication system applicable to the communication method according to an embodiment of the present application.

[0108] FIG5 is an interactive flow chart of a communication method provided in an embodiment of the present application.

[0109] FIG6 is a schematic diagram of beams of a sensing signal and a communication signal provided in an embodiment of the present application.

[0110] FIG7 is a schematic diagram of a modulation ratio provided in an embodiment of the present application.

[0111] FIG8 is a schematic diagram of an interaction flow of a communication method provided in an embodiment of the present application.

[0112] Figures 9a and 9b are schematic diagrams of the transmission process of the communication perception signal provided in an embodiment of the present application.

[0113] FIG10 is a schematic block diagram of a communication device provided in an embodiment of the present application.

[0114] FIG11 is another schematic block diagram of a communication device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0115] The technical solution in this application will be described below with reference to the accompanying drawings.

[0116] Perception involves emitting electromagnetic energy into space. By receiving the radio waves reflected by objects in that space, information about the object, such as its position, direction, altitude, speed, size, and other parameters, can be calculated. Furthermore, the object's internal and external shape and structure can be detected. This means that by exploring the transmission, echo, reflection, and scattering of radio waves, we can perceive and better understand the physical world.

[0117] Currently, commonly used sensing signals include, but are not limited to, frequency modulated continuous wave (FMCW), continuous wave (CW), or index modulation chirp, where chirp refers to a phase that changes over time.

[0118] Among them, FMCW is a low-cost, simple-structured radar. Its working principle is that the transmitter sends a continuous wave whose frequency increases linearly with time, as shown in Figure 1. The transmitted signal is reflected by an object. Due to the delay in the propagation path, there is a frequency difference Δf between the reflected signal and the transmitted signal. This frequency difference is positively correlated with the propagation delay τ, as shown in the following formula (1):

[0119]

[0120] Where R is the rate of change of the frequency of the continuous frequency modulated wave, which is the ratio of the bandwidth BW of the radar signal to the signal period T. d is the distance between the object and the radar, and c is the speed of electromagnetic wave propagation.

[0121] At the radar receiver, the received signal is mixed with the transmitted signal to obtain the frequency difference between the two. Based on Δf, the distance between the object and the radar can be calculated, and the object's reflection coefficient (determined by the object's own properties) can be calculated based on the reflected energy.

[0122] Other sensing signals are similar to these and will not be described in detail for the sake of brevity. It should be understood that none of the above sensing signals can achieve communication.

[0123] Communication and perception integration refers to the integration of electromagnetic signals used for communication and perception, achieving high-quality wireless communication and high-precision perception. Communication and perception integration systems can be categorized as monostatic or bistatic, depending on whether the transmitter and receiver of the perception signals are co-located or separated.

[0124] As shown in Figure 2a, in a single-base system, a communication sensing signal transmitted by terminal device 011a is received by network device (e.g., base station) 021a to achieve uplink communication. The communication sensing signal transmitted by terminal device 011a is reflected by a target object and then received by terminal device 011a itself to achieve target perception. Similarly, as shown in Figure 2b, a communication sensing signal transmitted by network device 021b is received by terminal device 011b to achieve downlink communication. The communication sensing signal transmitted by network device 021b is reflected by a target object and then received by network device 021b itself to achieve target perception.

[0125] As shown in Figure 3a, in a dual-base system, the terminal device 012a sends a communication perception signal to the network device 022a, and the communication perception signal is received by the network device 022a after passing through the target object to achieve uplink communication and perception of the target object; similarly, as shown in Figure 3b, in a dual-base system, the network device 022b sends a communication perception signal to the terminal device 012b, and the communication perception signal is received by the terminal device 012b after passing through the target object to achieve downlink communication and perception of the target object.

[0126] In the dual-base system shown in Figures 3a and 3b above, the communication perception signal can be a fused signal, for example, a pilot signal for perception is inserted into the communication signal, and the pilot signal can be pre-configured, signaling configured, or protocol agreed upon, so that the pilot signal is a known pilot signal for perception to both the transmitting end and the receiving end.

[0127] In addition, the integrated communication and perception system also includes a multi-static system, which can be a hybrid system consisting of a single-static system and a dual-static system.

[0128] In single-base systems and multi-base systems, communication perception integration can also be achieved based on the above-mentioned communication perception signals.

[0129] It should be noted that, in addition to the uplink and downlink communication scenarios shown in Figures 2a to 3b above, communication perception integration can also be achieved based on sidelink transmission. For example, in a dual-base system, the transmitter of the communication perception signal is the first terminal, and the receiver is the second terminal.

[0130] The above-mentioned communication signals include but are not limited to: orthogonal frequency division multiplexing (OFDM) signals, orthogonal time frequency space (OTFS) signals, discrete fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM) or offset quadrature amplitude modulation (OQAM), etc.

[0131] It is understandable that inserting a pilot signal for sensing into a communication signal occupies time-frequency resources of communication and reduces communication capacity.

[0132] Based on this, in the communication and perception integration solution provided in the embodiment of the present application, the perception signal and the communication signal occupy the same time-frequency resources. In other words, a dual-waveform signal is obtained by superimposing the communication signal and the perception signal, and the dual-waveform signal is used as the communication perception signal to realize communication and perception, so that the perception signal does not occupy the time-frequency resources of communication, thereby reducing the impact of the perception signal on the communication capacity.

[0133] The communication method provided in this application can be applied to various communication systems, such as Long Term Evolution (LTE) systems, 5G mobile communication systems, and sixth generation (6G) mobile communication systems that have evolved after 5G. The 5G mobile communication system or the 6G mobile communication system may include non-standalone (NSA) and / or standalone (SA) networking.

[0134] The communication method provided in this application can also be applied to machine type communication (MTC), long term evolution technology for machine-to-machine communication (LTE-M), device-to-device (D2D) networks, machine-to-machine (M2M) networks, Internet of Things (IoT) networks, or other networks.

[0135] In the embodiment of the present application, the network device can be any device with wireless transceiver function. The network device includes, but is not limited to, an evolved Node B (eNB), a radio network controller (RNC), a Node B (NB), a home base station (e.g., a home evolved Node B or HNB), a baseband unit (BBU), an access point (AP) in a wireless fidelity (WiFi) system, a wireless relay node, a wireless backhaul node, a transmission point (TP), or a transmission and reception point (TRP). The network device may also be a mobile switching center and a device that performs base station functions in device-to-device (D2D), vehicle-to-everything (V2X), or machine-to-machine (M2M) communications. The network device may also be a gNB in ​​a 5G system, one or a group of antenna panels (including multiple antenna panels) of a base station in a 5G system, or a network node constituting a gNB or a transmission point, such as a BBU, or a distributed unit (DBU). unit, DU), etc., which is not specifically limited in the embodiments of the present application.

[0136] In some deployments, the gNB may include a centralized unit (CU) and a DU. The gNB may also include an active antenna unit (AAU). The CU and DU each implement portions of the gNB's functionality, and the CU and DU can communicate over the F1 interface. The AAU implements some physical layer processing, RF processing, and active antenna-related functions.

[0137] It is understood that the network device may include one or more of a CU node, a DU node, and an AAU node. In addition, the CU may be classified as a network device in an access network (RAN) or a network device in a core network (CN), which is not limited in this application.

[0138] In an embodiment of the present application, the terminal device may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.

[0139] The terminal device may be a device that provides voice / data connectivity to users, such as a handheld device or vehicle-mounted device with wireless connection function. At present, some examples of terminals include: mobile phones, tablet computers, computers with wireless transceiver functions (such as laptops, PDAs, etc.), customer-premises equipment (CPE), smart point of sale (POS) machines, mobile internet devices (MID), virtual reality (VR) devices, augmented reality (AR) devices, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), and so on. assistant, PDA), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to a wireless modem, vehicle-mounted devices, wearable devices, terminal devices in a 5G network or terminal devices in a system evolved after 5G, etc.

[0140] It should be understood that this application does not limit the specific forms of network devices and terminal devices.

[0141] To facilitate understanding of the embodiments of the present application, a communication system applicable to the embodiments of the present application is first described in detail with reference to FIG4 . FIG4 shows a schematic diagram of a communication system applicable to the communication method of the embodiments of the present application. As shown in FIG4 , the communication system 100 may include a network device and a terminal device. The number of network devices and terminal devices may be one or more, such as the network devices 111 and 112 and terminal devices 121 to 128 shown in FIG1 . In the communication system 100, the network device 111 may communicate with one or more of the terminal devices 121 to 126 through a wireless air interface, and the network device 111 may communicate with one or more of the terminal devices 127 and 128 through the network device 112. In addition, terminal devices 124 to 126 can form a communication system 101, in which terminal device 124 can communicate with one or more terminal devices among terminal devices 125 and 126 through a wireless air interface, and network device 112 and terminal devices 127 and 128 can form a communication system 102, in which network device 112 can communicate with one or more terminal devices among terminal devices 127 and 128 through a wireless air interface.

[0142] It should be understood that the communication system 101 may be a subsystem of the communication system 100 or a communication system independent of the communication system 100 ; the communication system 102 may be a subsystem of the communication system 100 or a communication system independent of the communication system 100 .

[0143] It should also be understood that Figure 4 is merely an example, illustrating two network devices and eight terminal devices in communication system 100, three terminal devices in communication system 101, and one network device and two terminal devices in communication system 102. However, this does not constitute any limitation on the present application. Any of the aforementioned communication systems may include more or fewer network devices, or more or fewer terminal devices. This embodiment of the present application is not limited in this regard.

[0144] When transmitting the communication perception signal uplink, the sending end (for example, the terminal device 012a in Figure 3a) can be implemented as one of the terminal devices 121 to 124 in Figure 4 above, and the receiving end (for example, the network device 022a or in Figure 3a) can be implemented as the network device 111 in Figure 4 above; or the sending end can be implemented as the terminal device 127 or 128 in Figure 4, and the receiving end can be implemented as the network device 112 in Figure 4.

[0145] When transmitting the communication perception signal downlink, the sending end (for example, the network device 022b in Figure 3b) can be implemented as the network device 111 in Figure 4, and the receiving end (for example, the terminal device 021b in Figure 3b) can be implemented as one of the terminal devices 121 to 124 in Figure 4; or the sending end can be implemented as the network device 112 in Figure 4, and the receiving end can be implemented as the terminal device 127 or 128.

[0146] When the communication perception signal is transmitted sideways, the transmitting end may be implemented as terminal device 124 in FIG. 4 , and the receiving end may be implemented as terminal device 125 or 126 in FIG. 4 ; alternatively, the transmitting end may be implemented as terminal device 125 or 126 in FIG. 4 , and the receiving end may be implemented as terminal device 124 in FIG. It should be noted that when the communication perception signal is transmitted sideways, both the transmitting end and the receiving end may communicate with the network device to receive the configuration of the network device.

[0147] The first device described below may be implemented as the transmitter of the aforementioned communication sensing signal, or as a component within the transmitter, such as a chip, chip system, or other functional module capable of invoking and executing a program. The second device described below may be implemented as the receiver of the aforementioned communication sensing signal, or as a component within the receiver, such as a chip, chip system, or other functional module capable of invoking and executing a program. The third device described below may be implemented as a network device that is communicatively connected to the transmitter and receiver during sidelink transmission.

[0148] To facilitate understanding of the embodiments of the present application, the following explanations are made:

[0149] First, in the embodiments shown below, the first, second, third, and various numerical numbers are merely used for ease of description and are not intended to limit the scope of the embodiments of the present application. For example, they are used to distinguish different signals, devices, peak values, antenna ports, indication information, etc.

[0150] Second, “predefinition” can be achieved by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices). This application does not limit its specific implementation method.

[0151] "Pre-configuration" can be achieved by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices), or by signaling pre-configuration, such as network devices being implemented through signaling pre-configuration, etc. This application does not limit its specific implementation method.

[0152] Third, the "protocol" involved in the embodiments of the present application may refer to a standard protocol in the field of communications, for example, it may include an LTE protocol, a New Radio (NR) protocol, a WiFi protocol, and related protocols used in communication systems evolved after 5G. This application does not limit this.

[0153] The communication method provided in the embodiments of the present application will be described below with reference to the accompanying drawings.

[0154] FIG5 is an interactive flow chart of a communication method 200 provided in an embodiment of the present application. As shown in FIG5 , the method 200 may include part or all of S210 to S230. Each step in the method 200 is described below.

[0155] S210: The first device determines a first signal, where the first signal includes a communication signal and a perception signal, and the communication signal and the perception signal occupy the same time-frequency resources.

[0156] S220: The first device sends the first signal to the second device. Correspondingly, the second device receives the first signal.

[0157] S230: The second device determines a communication signal and a perception signal in the first signal.

[0158] It should be noted that the first signal can be a communication perception signal. In the first signal, the communication signal and the perception signal occupy the same time-frequency resources, which can be understood as the communication signal and the perception signal are superimposed on each resource element (RE). The first signal can be a dual-waveform signal obtained by superimposing the communication signal and the perception signal.

[0159] In this embodiment of the present application, the communication signal in the first signal may include but is not limited to the aforementioned OFDM signal, OTFS signal, DFT-S-OFDM signal, and OQAM signal. The perception signal in the first signal may include but is not limited to the aforementioned FMCW, CW, and indexed modulated chirp.

[0160] In some embodiments, to prevent the perception signal from interfering with the reception of the communication signal when the second device determines the perception signal and the communication signal, the first signal determined by the first device may have the following characteristics: a frequency domain peak value (i.e., a first peak value) obtained by time-domain correlation of the perception signal with a delayed version of the perception signal is greater than a frequency domain peak value (i.e., a second peak value) obtained by time-domain correlation of the communication signal with the delayed version of the communication signal. Furthermore, the greater the difference between the first peak value and the second peak value, the less interference the perception signal causes to the communication signal when the first signal is received.

[0161] Exemplarily, the time-domain correlation between the perception signal P(t) and the delayed signal P(t-τ) of the perception signal may be performed by performing a time-domain dot product between the perception signal P(t) and the delayed signal P(t-τ) of the perception signal to obtain a time-domain correlation result Co(t), as shown in the following formula (1):

[0162] Co(t)=P(t)·P(t-τ) (1)

[0163] The frequency domain peak refers to the peak at the location where the target distance (i.e., the signal transmission delay) is converted into a frequency difference after time domain correlation. Taking the FMCW signal as an example, Δf = K·τ, τ = 2R / C, R is the target distance, C is the speed of light, K is the FMCW signal slope, and K = Bw / T, Bw is the FMCW signal bandwidth, and T is the length of the FMCW signal cycle. Δf is the frequency difference information converted from the target distance. The peak that appears at the frequency point of Δf is based on the first peak.

[0164] The process of performing time domain correlation between the communication signal and the delayed signal of the communication signal to obtain the second peak is similar and will not be repeated here.

[0165] It should be noted that when the first peak value is greater than the second peak value, the second device performs frequency domain processing to achieve perception, ensuring that the communication signal does not interfere with the frequency domain signal. Furthermore, when receiving the communication signal, the second device is not correlated with the frequency domain peak value of the signal. Therefore, the perception signal does not interfere with the reception of the communication signal due to the first peak value being greater than the second peak value.

[0166] In S220 above, information can be transmitted between the first device and the second device using antenna ports. An antenna port can correspond to one physical transmit antenna or multiple physical transmit antennas (hereinafter referred to as antennas). Each antenna port corresponds to a time / frequency resource grid (TFRG) and has its own reference signal. An antenna port corresponds to a channel, and the terminal needs to perform channel estimation and data demodulation based on the reference signal corresponding to this antenna port.

[0167] It should be noted that the correspondence between antenna ports and antennas can be preset in the first device; or the correspondence between antenna ports and antennas can be preconfigured, for example, the first device receives configuration information sent by a network device (such as the second device) to configure the correspondence between antenna ports and antennas; or the correspondence between antenna ports and antennas can be agreed upon in a protocol. For example, the correspondence between antenna ports and antennas can be: antenna port #0 corresponds to antennas #0 to #3, and antenna port #1 corresponds to antennas #4 to #7. Of course, different antenna ports can also include the same antenna, and this application does not limit this.

[0168] The first device can send communication signals to one or more second devices via M second antenna ports, where M is greater than or equal to 1. For example, taking the first device as a network device and the second device as a terminal device, the network device can send downlink communication signals to different terminal devices via multiple antenna ports. Furthermore, the first device can send perception signals to one or more second devices via W first antenna ports, where W is greater than or equal to 1.

[0169] Considering the application of communication-perception integration in MIMO scenarios, different antenna ports are configured for communication, perception, and communication-perception integration to achieve flexible configuration based on different device requirements in MIMO scenarios. For example, communication signals are sent through some antenna ports, perception signals are sent through some antenna ports, and the superimposed first signal is sent through some antenna ports. Referring to Figure 6, the perception signal and the communication signal can be sent through different antenna ports, and there is an intersection between the antenna port that sends the perception signal and the antenna port that sends the communication signal, and the first signal is sent on the antenna port of the intersection. Continuing with the above example, in the first device, antenna port #0 can be preset as the antenna port for sending communication signals, and antenna port #1 can be preset as the antenna port for sending perception signals, or the first device can receive configuration information of a network device (such as a second device), configure antenna port #0 as the antenna port for sending communication signals, and configure antenna port #1 as the antenna port for sending perception signals.

[0170] The following is an exemplary description of the relationship between the second antenna port for sending communication signals, the first antenna port for sending perception signals, and the target antenna port for sending the first signal.

[0171] The above-mentioned M second antenna ports and W first antenna ports may include N identical antenna ports (i.e., N target antenna ports). Optionally, the M second antenna ports are a subset of the W first antenna ports, for example, the W first antenna ports are antenna ports #0 to #7, the M second antenna ports are antenna ports #0 to #2, and the N target antenna ports are antenna ports #0 to #2; or, the W first antenna ports are a subset of the M second antenna ports, for example, the M second antenna ports are antenna ports #0 to #7, the W first antenna ports are antenna ports #3 to #6, and the N target antenna ports are antenna ports #3 to #6; or, the M second antenna ports and the W first antenna ports are a subset of the W first antenna ports. There is an intersection between the first antenna ports, for example, the W first antenna ports are antenna ports #0 to #4, the M second antenna ports are antenna ports #3 to #7, and the N target antenna ports are antenna ports #3 and #4; or, the M second antenna ports, the W first antenna ports, and the N target antenna ports are all the same antenna ports, for example, all are antenna ports #0 to #7. In this case, the communication signal and the perception signal sent by the first device to the second device are superimposed on antenna ports #0 to #7 to form and send the first signal.

[0172] In some embodiments, a first antenna port may correspond to multiple second antenna ports. For example, the eight second antenna ports are antenna ports #0 to #7; the first antenna port of the four first antenna ports is antenna ports #0 and #1, the second antenna port is antenna ports #2 and #3, the third antenna port is antenna ports #4 and #5, and the fourth antenna port is antenna ports #6 and #7.

[0173] It should be understood that the W first antenna ports are a subset of the M second antenna ports, and it can also be understood that there is an intersection between the W first antenna ports and the M second antenna ports, and the intersection is the W first antenna ports; similarly, the M second antenna ports are a subset of the W first antenna ports, and it can also be understood that there is an intersection between the M second antenna ports and the W first antenna ports, and the intersection is the M second antenna ports.

[0174] Exemplarily, the i-th target antenna port among the N target antenna ports used to transmit the first signal is the i-th second antenna port among the N second antenna ports, that is, the N target antenna ports and the N second antenna ports are the same antenna port, and the i-th target antenna port is any target antenna port among the N target antenna ports, where i is less than . The N second antenna ports are the second antenna ports among the M second antenna ports that fall within the intersection of the W first antenna ports and the M second antenna ports. For example, if the W first antenna ports are antenna ports #0 to #3 and the M second antenna ports are antenna ports #1 to #7, then the second antenna ports that fall within the intersection of the W first antenna ports and the M second antenna ports are antenna ports #1 to #3. In this case, the first target antenna port is the first second antenna port (e.g., antenna port #1), the second target antenna port is the second second antenna port (e.g., antenna port #2), and the third target antenna port is the third second antenna port (e.g., antenna port #3).

[0175] Continuing with the above example, the relationship between the first antenna ports and the second antenna ports falling into the intersection of the W first antenna ports and the M second antenna ports is described below through two possible implementations.

[0176] In a first possible implementation, the N second antenna ports correspond one-to-one to the N first antenna ports that fall within the intersection of the W first antenna ports and the M second antenna ports, that is, the N second antenna ports and the N first antenna ports are the same antenna ports. For example, the i-th first antenna port among the N first antenna ports and the i-th second antenna port among the N second antenna ports are the same antenna port, or the i-th first antenna port among the N first antenna ports and the N-i+1-th second antenna port among the N second antenna ports are the same antenna port.

[0177] In a second possible implementation, a first antenna port may correspond to one or more different second antenna ports. The one or more second antenna ports corresponding to a first antenna port are referred to as a second antenna port group. N second antenna ports can be divided into M' second antenna port groups. As an example, the jth second antenna port group in the M' second antenna port groups is the jth first antenna port in the M' first antenna ports. In other words, the jth first antenna port is composed of the second antenna ports in the jth second antenna port group. As another example, the jth second antenna port group is the M'-j+1th first antenna port in the M' first antenna ports. In other words, the M'-j+1th first antenna port is composed of the second antenna ports in the jth second antenna port group. Where j is less than or equal to M' and greater than or equal to 1, and M' is less than or equal to N and greater than or equal to 1.

[0178] The correspondence between the first antenna port and the second antenna port group can be understood as that the channel corresponding to the first antenna port is correlated with the sum of the channels corresponding to all the second antenna ports in the second antenna port group.

[0179] It should be understood that the channel corresponding to the first antenna port is related to the sum of the signals corresponding to multiple second antenna ports, which can reduce the number of first antenna ports and reduce the complexity of channel estimation (or perception estimation) when the second device receives the perception signal; and in the intersection of W first antenna ports and M second antenna ports, when the first antenna port corresponds one-to-one with the second antenna port, different perception signals can be transmitted to more different second devices.

[0180] Exemplarily, among the M' second antenna port groups obtained by dividing N second antenna ports, the jth second antenna port group includes the f(j)th to f(j+1)-1th second antenna ports; wherein f(j) is equal to

[0181]

[0182] in, Indicates rounding up. Indicates rounding down. When rounding up It can also be expressed as floor(N / M'), when rounded down It can also be expressed as ceil(N / M'). The first second antenna port may be antenna port #0.

[0183] For example, assuming that the number of second antenna ports that fall into the intersection of W first antenna ports and M second antenna ports is 5, and they are antenna ports #0 to #4, and the number of first antenna ports that fall into the intersection of W first antenna ports and M second antenna ports is 2, based on The first second antenna port group corresponding to the first first antenna port of the two first antenna ports includes the first second antenna port to the third second antenna port (i.e., antenna ports #0 to #2), and the second second antenna port group corresponding to the second first antenna port includes the fourth second antenna port and the fifth second antenna port (i.e., antenna ports #3 and #4). It should be understood that the second second antenna port calculated based on the above formula should also include the sixth second antenna port (such as antenna port #5). Since the sixth second antenna port does not exist, the non-existent antenna port is ignored.

[0184] Still assuming that the number of second antenna ports that fall into the intersection of W first antenna ports and M second antenna ports is 5, and they are antenna ports #0 to #4, and the number of first antenna ports that fall into the intersection of W first antenna ports and M second antenna ports is 2, based on The first second antenna port group corresponding to the first first antenna port of the two first antenna ports includes the first second antenna port and the second second antenna port (i.e., antenna ports #0 and #1), and the second second antenna port group corresponding to the second first antenna port includes the third second antenna port to the fifth second antenna port (i.e., antenna ports #2 to #4).

[0185] When N is divisible by M', the above f(i) still holds. For example, the number of second antenna ports that fall into the intersection of W first antenna ports and M second antenna ports is 4, and they are antenna ports #0 to #3 respectively. The number of first antenna ports that fall into the intersection of W first antenna ports and M second antenna ports is 2. Based on The first second antenna port group corresponding to the first first antenna port of the two first antenna ports includes the first second antenna port and the second second antenna port (i.e., antenna ports #0 and #1), and the second second antenna port group corresponding to the second first antenna port includes the third second antenna port and the fourth second antenna port (i.e., antenna ports #2 to #3).

[0186] In some embodiments, the power ratio of the communication signal in the first signal and the power ratio of the perception signal in the first signal are both related to the modulation ratio α on the time-frequency resource. The first device can determine the first signal based on the modulation ratio α. It should be noted that the sum of the power ratio of the communication signal in the first signal and the power ratio of the perception signal in the first signal can be 1 or non-1, and this application does not limit this.

[0187] As an example, the time domain waveform s of the first signal may satisfy the following formula (2):

[0188]

[0189] Where s1 is the time domain waveform of the communication signal, and s2 is the time domain waveform of the sensing signal. In the above example, the sum of the power of the communication signal and the sensing signal remains stable, which can keep the RF devices, including the RF amplifier, operating in a stable state.

[0190] As another example, the time domain waveform s of the first signal may satisfy the following formula (3):

[0191] s=a1s1+a2s2,

[0192] Among them, a1 is the power ratio of the communication signal in the first signal, and a2 is the power ratio of the perception signal in the first signal.

[0193] In the above example, the sum of the power of the communication signal and the power of the perception signal is not required to be constant. In this case, the power of the communication signal and the perception signal can be allocated in a more flexible manner. Furthermore, the first signal in the above example tends to set the power of the communication signal higher to ensure communication reliability.

[0194] In some embodiments, the modulation ratio α may be predefined; or the modulation ratio α may be preconfigured, for example, when the modulation ratio α is only predefined in the first device, the first device sends signaling to the second device to configure the modulation ratio α, and when the modulation ratio α is only predefined in the second device, the second device sends signaling to the first device to configure the modulation ratio α; or the modulation ratio α may be protocol defined.

[0195] In some embodiments, the preconfigured modulation ratio α may include the following possible examples:

[0196] In Example 1, a first signal is transmitted between a first device and a second device via a sidelink, and a third device sends first indication information to each of the first device and the second device, where the first indication information is used to indicate the modulation ratio α. Optionally, the first indication information can be carried in downlink control information (DCI).

[0197] In Example 2, a first signal is transmitted between a first device and a second device via a sidelink, and the first device sends second indication information to the second device, indicating a modulation ratio α through the second indication information. Optionally, the second indication information can be carried in sidelink control information (SCI).

[0198] In example three, a first signal is transmitted between a first device and a second device via a sidelink, and the first device receives third indication information sent by the second device, indicating the modulation ratio α through the third indication information. Optionally, the third indication information can be carried in the SCI.

[0199] In a fourth example, a first signal is transmitted between a first device and a second device via a downlink, and the first device sends second indication information to the second device, indicating a modulation ratio α through the second indication information. Optionally, the second indication information is carried in a DCI.

[0200] It should be noted that the indication information in any of the above examples, such as the first indication information, the second indication information, and the third indication information, can indicate the modulation ratio α through a known field or an unknown (newly added) field. In order to reduce signaling overhead, the indication information in any of the above examples may include a modulation and coding scheme (MCS) index, and the modulation ratio α is indicated by the MCS index. Optionally, there is a correspondence between the MCS index and the modulation ratio α, and the correspondence can be reflected by the MCS table. The MCS table may include a correspondence between the MCS index and the modulation ratio α. The MCS table may also include one or more of the modulation order, code rate, and spectrum rate. For example, see Table 1.

[0201] Table 1

[0202]

[0203] As shown in Table 1, different MCS indices can correspond to different modulation ratios, and the larger the MCS index, the smaller the modulation ratio α. The values ​​of the modulation ratio α in Table 1 are only examples and are not restrictive. Table 1 is only an example. The correspondence between MCS indices and modulation ratios α can be independently configured, for example, by adding the correspondence between MCS indices and modulation ratios α in a separate table. In other words, the MCS table does not include a column for modulation ratio α.

[0204] The correspondence between each MCS index and a modulation ratio α value in Table 1 is merely an example; different MCS indices can also correspond to the same modulation ratio α value. The correspondence between the modulation ratio α and the MCS index can also be the correspondence between the modulation ratio α and the code rate, modulation order, or spectrum rate. Each code rate can correspond to one or more modulation ratios, each modulation order can correspond to one or more modulation ratios, and each spectrum rate can correspond to one or more modulation ratios. When the modulation ratio α corresponds to the modulation order, this is an implementation of the correspondence between one MCS index and multiple modulation ratios.

[0205] In some embodiments, the time-frequency resource includes L REs, where L is greater than or equal to 1, and the modulation ratios on the REs in the L resource elements may be the same or different. For example, the modulation ratio on the kth resource element in the L resource elements is α k , the modulation ratio of the hth resource element among the L resource elements is α h , α k With α hThey can be the same or different. As shown in FIG7 , the communication signal and the perception signal in a resource element are superimposed according to the modulation ratio in each resource element. The above embodiment is only described with RE as the modulation granularity of the modulation ratio as an example, but this application is not limited to this. For example, the above RE can also be replaced by a resource block (RB), that is, each RB in the time-frequency resource corresponds to a modulation ratio, and the modulation ratio on each RB can be the same or different.

[0206] Figure 8 is a schematic diagram of the interaction flow of a communication method 300 provided in an embodiment of the present application. Based on the embodiment shown in Figure 5, taking the downlink communication scenario of Example 4 above as an example, when applied to other examples (such as any one of Examples 1 to 3), the same or similar implementation methods and technical effects are achieved, the difference being that the execution entities are different. The method 300 also includes some or all of the processes in S310 to S330.

[0207] S310: The second device sends capability information to the first device. Correspondingly, the first device receives the capability information.

[0208] S320: The first device determines a modulation ratio α.

[0209] S330: The first device sends indication information (such as the second indication information) to the second device to indicate the modulation ratio α.

[0210] This application does not limit the execution order between S330 and S210 and S220. That is, the first device may send indication information to indicate the modulation ratio α before or after sending the first signal to the second device; or the first device may send the indication information indicating the modulation ratio α together with the first signal. Moreover, when the first device sends indication information indicating the modulation ratio α before sending the first signal, the indication information may be sent before or after the first device determines the first signal, or during the process of the first device determining the first signal. This application does not limit this.

[0211] Regarding the above S310, it should be noted that the capability information is used to indicate the sensing interference cancellation capability of the second device. Optionally, the capability information may indicate whether the second device has the sensing interference cancellation capability, or the capability information is used to indicate the strength of the sensing interference cancellation capability of the second device.

[0212] In the above S320, the first device can determine the modulation ratio α based on whether the second device has the ability to eliminate perceived interference; or the first device can determine the modulation ratio α based on the strength of the second device's ability to eliminate perceived interference. For example, when the second device has the ability to eliminate perceived interference, the second device can more accurately determine the communication signal in the first signal, so the modulation ratio α is smaller, that is, the power ratio of the communication signal in the first signal is smaller. When the second device does not have the ability to eliminate perceived interference, the second device is easily interfered with by the perceived signal when determining the communication signal in the first signal, so the modulation ratio α is larger to enhance the communication signal and reduce the interference of the perceived signal on the communication signal. Based on similar reasons, the weaker the perception interference elimination capability of the second device, the larger the modulation ratio α, that is, the larger the power ratio of the communication signal in the first signal.

[0213] In some embodiments, when the first device determines that the second device does not have the ability to eliminate perceptual interference, the second device cannot eliminate the perceptual signal in the first signal and may not send the second indication information to the second device, that is, it is not necessary to indicate the modulation ratio α to the second device.

[0214] In some embodiments, the modulation ratio α may be related to at least one of the signal-to-noise ratio, code rate, modulation mode, and code length of the second device. For example, the lower the signal-to-noise ratio measured by the second device, the greater the perceived signal power ratio may be, that is, the smaller the modulation ratio α, and the greater the code rate, the greater the perceived signal power ratio may be, that is, the smaller the modulation ratio α. For example, when the signal-to-noise ratio of the second device is 14dB and the adjustment method is quadrature phase shift keying (QPSK), the communication demodulation capability of the second device is relatively high, and a higher modulation ratio (such as 0.8) may be used, thereby reducing the impact on communication performance. In the above S320, the first device may determine the modulation ratio α based on at least one of the signal-to-noise ratio, code rate, modulation mode, and code length of the second device. Optionally, at least one of the signal-to-noise ratio, code rate, modulation mode, and code length of the second device may be reported by the first device or configured by the first device.

[0215] Of course, the first device may also determine the modulation ratio α in combination with at least one of the signal-to-noise ratio, code rate, modulation mode, and code length of the second device and the perceived interference cancellation capability of the second device. For example, the modulation ratio α may be determined by performing a weighted summation based on the values ​​of the parameters of the second device (such as the signal-to-noise ratio, code rate, modulation mode, code length, perceived interference cancellation capability, etc.).

[0216] It should be noted that Figure 8 only takes the transmission of the first signal between the first device and the second device through the downlink as an example, and does not constitute any limitation to the present application. For example, the second device can also send capability information to the third device; for another example, the third device can determine the modulation ratio α, and the way in which the third device determines the modulation ratio α is the same as the way in which the first device determines the modulation ratio α; for another example, the third device sends indication information to the first device and the second device to indicate the modulation ratio α.

[0217] With respect to S230 in FIG. 5 , the second device determines the communication signal and the perception signal in the first signal, which may include at least two possible implementations as shown in FIG. 9 a and FIG. 9 b .

[0218] Referring to Figures 9a and 9b, the first device superimposes the communication signal and the perception signal according to the modulation ratio to obtain a first signal, and transmits the first signal to the second device. The second device receives the first signal, or in other words, the second device receives the communication signal and the perception signal through the same antenna port. Optionally, the second device may sample the first signal through an analog-to-digital conversion (A / D) unit to facilitate communication (e.g., including channel estimation) and perception (e.g., including perception estimation) based on the sampled first signal.

[0219] Referring to Figure 9a, on the one hand, the second device performs channel estimation on the first signal through the communication processing unit, and determines the communication signal based on the channel estimation result H1; on the other hand, the second device performs perception estimation on the first signal through the perception processing unit, and perceives the target object based on the perception estimation result H2.

[0220] The difference between the example shown in Figure 9b and the example in Figure 9a is that the second device, through the communication processing unit, performs channel estimation on the first signal and then performs perception elimination on the first signal. It should be understood that since the first signal is a dual-waveform signal, its time-frequency domain characteristics are different. When the first signal s(t) enters the perception processing unit, the communication signal s1(t) will become equivalent noise. Therefore, its impact on the perception performance can be reduced by increasing the perception signal accumulation time; and when the first signal s(t) enters the communication processing unit, the perception signal s2(t) will become special sequence noise s2'. In order to reduce this impact, the perception sequence parameters obtained through negotiation between the first device and the second device can be used to calculate the special sequence noise s2', and the noise can be subtracted from the signal obtained after the channel estimation to obtain a relatively pure communication signal.

[0221] It should be noted that in Figure 9b, the second device needs to perform perception elimination on the first signal to eliminate the noise interference of the perception signal on the communication signal. In this case, the second device can determine the communication signal and the perception signal in the first signal based on the adjustment ratio α, so as to perform perception elimination on the first signal and obtain the communication signal.

[0222] Therefore, in an embodiment of the present application, the perception signal and the communication signal occupy the same time-frequency resources. In other words, a dual-waveform signal is obtained by superimposing the communication signal and the perception signal, and the dual-waveform signal is sent to the second device through the first device to realize communication and perception, so that the perception signal does not occupy communication resources, thereby reducing the impact of the perception signal on the communication capacity.

[0223] FIG10 is a schematic block diagram of a communication device according to an embodiment of the present application. As shown in FIG10 , the device 400 may include a transceiver module 410 and a processing module 420 .

[0224] Optionally, the communication device 400 may correspond to the first device in the above method embodiment.

[0225] It should be understood that the communication device 400 may include various modules for executing the first device-side method in the various embodiments of the present application. Furthermore, the various modules in the communication device 400 and the aforementioned other operations and / or functions are respectively for implementing the corresponding processes of each method.

[0226] In which, when the communication device 400 is used to execute the method on the first device side, the processing module 420 can be used to determine a first signal, which includes a communication signal and a perception signal, and the communication signal and the perception signal occupy the same time-frequency resources; the transceiver module 410 can be used to send the first signal to the second device.

[0227] It should be understood that the specific process executed by each module has been described in detail in the above method embodiment, and for the sake of brevity, it will not be repeated here.

[0228] Optionally, the communication device 400 may correspond to the second device in the above method embodiment.

[0229] It should be understood that the communication device 400 may include various modules for executing the second device side method in the various embodiments of the present application. In addition, the various modules in the communication device 400 and the aforementioned other operations and / or functions are respectively for implementing the corresponding processes of each method.

[0230] In which, when the communication device 400 is used to execute the method on the second device side, the transceiver module 410 can be used to receive a first signal from the first device, the first signal including a communication signal and a perception signal, and the communication signal and the perception signal occupy the same time-frequency resources; the processing module 420 can be used to determine the communication signal and the perception signal.

[0231] It should be understood that the specific process executed by each module has been described in detail in the above method embodiment, and for the sake of brevity, it will not be repeated here.

[0232] The transceiver unit 410 in the communication device 400 can be implemented by a transceiver, for example, it can correspond to the transceiver 510 in the communication device 500 shown in Figure 11, and the processing unit 420 in the communication device 400 can be implemented by at least one processor, for example, it can correspond to the processor 520 in the communication device 500 shown in Figure 11.

[0233] When the communication device 400 is a chip or chip system configured in a communication device (such as a terminal device or a network device), the transceiver unit 410 in the communication device 400 can be implemented through an input / output interface, circuit, etc., and the processing unit 420 in the communication device 400 can be implemented through a processor, microprocessor or integrated circuit integrated on the chip or chip system.

[0234] Figure 11 is another schematic block diagram of a communication device provided in an embodiment of the present application. As shown in Figure 11, the communication device 500 may include: a transceiver 510, a processor 520, and a memory 530. The transceiver 510, the processor 520, and the memory 530 communicate with each other via an internal connection path. The memory 530 is used to store instructions, and the processor 520 is used to execute the instructions stored in the memory 530 to control the transceiver 510 to transmit and / or receive signals.

[0235] It should be understood that the communication device 500 may correspond to the first device or the second device in the above-mentioned method embodiment, and may be used to execute the various steps and / or processes performed by the first device or the second device in the above-mentioned method embodiment. Optionally, the memory 530 may include a read-only memory and a random access memory, and provide instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory. The memory 530 may be a separate device or integrated into the processor 520. The processor 520 may be used to execute the instructions stored in the memory 530, and when the processor 520 executes the instructions stored in the memory, the processor 520 is used to execute the various steps and / or processes of the above-mentioned method embodiment corresponding to the first device or the second device.

[0236] Optionally, the communication device 500 is the first device in the above embodiment.

[0237] Optionally, the communication device 500 is the second device in the above embodiment.

[0238] The transceiver 510 may include a transmitter and a receiver. The transceiver 510 may further include an antenna, which may be one or more. The processor 520 and memory 530 may be integrated on different chips from the transceiver 510. For example, the processor 520 and memory 530 may be integrated in a baseband chip, and the transceiver 510 may be integrated in a radio frequency chip. The processor 520 and memory 530 may also be integrated on the same chip as the transceiver 510. This application is not limited to this.

[0239] The transceiver 520 may also be a communication interface, such as an input / output interface, a circuit, etc. The transceiver 520, the processor 510, and the memory 530 may be integrated into the same chip, such as a baseband chip.

[0240] The present application also provides a processing device, comprising at least one processor, configured to execute a computer program or logic circuit to cause the processing device to execute the method executed by the first device or the second device in the above method embodiment. The processing device may also include a memory configured to store the computer program.

[0241] An embodiment of the present application further provides a processing device, comprising a processor and an input / output interface. The input / output interface is coupled to the processor. The input / output interface is configured to input and / or output information. The information includes at least one of instructions and data. The processor is configured to execute a computer program to cause the processing device to perform the method performed by the first or second device in the above-described method embodiment.

[0242] The present application also provides a processing device including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and execute the computer program from the memory, so that the processing device executes the method executed by the first device or the second device in the above method embodiment.

[0243] It should be understood that the processing device may be one or more chips. For example, the processing device may be a field programmable gate array (FPGA), an application specific integrated circuit (ASIC), a system on chip (SoC), a central processor unit (CPU), a network processor (NP), a digital signal processor (DSP), a microcontroller unit (MCU), a programmable logic device (PLD), or other integrated chips.

[0244] During implementation, each step of the above method can be completed by an integrated logic circuit of the hardware in the processor or by instructions in the form of software. The steps of the method disclosed in conjunction with the embodiments of the present application can be directly embodied as being executed by a hardware processor, or can be executed by a combination of hardware and software modules in the processor. The software module can be located in a storage medium mature in the art such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory or an electrically erasable programmable memory, a register, etc. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in conjunction with its hardware. To avoid repetition, it will not be described in detail here.

[0245] It should be noted that the processor in the embodiments of the present application can be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method embodiment can be completed by an integrated logic circuit of the hardware in the processor or by instructions in the form of software. The above processor can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. The various methods, steps, and logic block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor. The steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed by a hardware decoding processor, or can be executed by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium mature in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers, etc. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.

[0246] It is understood that the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchlink DRAM (SLDRAM), and direct RAM bus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0247] According to the method provided in the embodiments of the present application, the present application also provides a computer program product, which includes: a computer program or a set of instructions, which, when the computer program or a set of instructions is run on a computer, enables the computer to execute the method executed by the first device or the second device in the above method embodiment.

[0248] According to the method provided in the embodiment of the present application, the present application also provides a computer-readable storage medium, which stores a program. When the program is run on a computer, the computer executes the method executed by the first device or the second device in the above method embodiment.

[0249] According to the method provided in the embodiment of the present application, the present application also provides a communication system, which may include the aforementioned first device or second device.

[0250] As used in this specification, the terms "component," "module," "system," and the like are used to represent computer-related entities, hardware, firmware, a combination of hardware and software, software, or software in execution. For example, a component can be, but is not limited to, a process running on a processor, a processor, an object, an executable file, an execution thread, a program, and / or a computer. By way of illustration, both an application running on a computing device and a computing device can be a component. One or more components can reside in a process and / or an execution thread, and a component can be located on a computer and / or distributed between two or more computers. In addition, these components can be executed from various computer-readable media having various data structures stored thereon. Components can communicate, for example, via local and / or remote processes based on signals having one or more data packets (e.g., data from two components interacting with another component on a local system, a distributed system, and / or a network, such as the Internet interacting with other systems via signals).

[0251] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0252] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0253] In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0254] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0255] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0256] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the part that essentially contributes to the technical solution of the present application or the part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as USB flash drives, mobile hard drives, ROM, RAM, magnetic disks or optical disks.

[0257] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A communication method, characterized in that: include: The first device determines a first signal, where the first signal includes a communication signal and a perception signal, and the communication signal and the perception signal occupy the same time-frequency resources; The first device sends the first signal to the second device.

2. The method according to claim 1, characterized in that The first peak is greater than the second peak. The first peak is a frequency domain peak obtained by time domain correlation between the perception signal and the delayed signal of the perception signal. The second peak is a frequency domain peak obtained by time domain correlation between the communication signal and the delayed signal of the communication signal.

3. The method according to claim 1 or 2, characterized in that The first device sending the first signal to the second device includes: The first device sends the first signal through N target antenna ports, the N target antenna ports include the intersection of W first antenna ports and M second antenna ports, the W first antenna ports are used to send perception signals, and the M second antenna ports are used to send communication signals, W and M are both greater than or equal to N, and N is greater than or equal to 1.

4. The method according to claim 3, characterized in that The i-th target antenna port is the i-th second antenna port among the N second antenna ports, where the N second antenna ports are second antenna ports among the M second antenna ports that fall within the intersection of the W first antenna ports and the M second antenna ports, and i is less than or equal to N and greater than or equal to 1; The i-th second antenna port and the i-th first antenna port or the N-i+1-th first antenna port among the N first antenna ports are the same antenna port, and the N first antenna ports are first antenna ports among the W first antenna ports that fall into the intersection of the W first antenna ports and the M second antenna ports; or, The i-th second antenna port belongs to the j-th second antenna port group, the j-th second antenna port group is an antenna port group obtained by dividing the N second antenna ports, the j-th second antenna port group is the j-th first antenna port or the M'-j+1-th first antenna port among the M' first antenna ports, the M' first antenna ports are the first antenna ports among the W first antenna ports that fall into the intersection of the W first antenna ports and the M second antenna ports, j is less than or equal to M' and greater than or equal to 1, and M' is less than or equal to N and greater than or equal to 1.

5. The method according to claim 4, characterized in that Among the M' second antenna port groups obtained by dividing the N second antenna ports, the jth second antenna port group includes the f(j)th to f(j+1)-1th second antenna ports; wherein f(j) is equal to or 6. The method according to any one of claims 1 to 5, characterized in that The power ratio of the communication signal in the first signal and the power ratio of the perception signal in the first signal are both related to the modulation ratio α on the time-frequency resource.

7. The method according to claim 6, characterized in that The time domain waveform s of the first signal satisfies one of the following: s=a1s1+a2s2, a1 is the power ratio of the communication signal in the first signal, and a2 is the power ratio of the perception signal in the first signal; Among them, s1 is the time domain waveform of the communication signal, and s2 is the time domain waveform of the perception signal.

8. The method according to claim 6 or 7, characterized in that The method further comprises: The first device receives first indication information sent by a third device, where the first indication information is used to indicate the modulation ratio α; or The first device sends second indication information to the second device, where the second indication information is used to indicate the modulation ratio α; or The first device receives third indication information sent by the second device, where the third indication information is used to indicate the modulation ratio α.

9. The method according to claim 8, characterized in that At least one of the first indication information, the second indication information or the third indication information includes a modulation and coding strategy MCS index, and the MCS index corresponds to the modulation ratio α.

10. The method according to any one of claims 1 to 9, characterized in that The method further comprises: The first device receives capability information sent by the second device, where the capability information is used to indicate a perceived interference cancellation capability of the second device, and the perceived interference cancellation capability is used to determine a modulation ratio α.

11. The method according to claim 8 or 9, characterized in that When the second device has a sensing interference elimination capability, the first device sends the second indication information to the second device.

12. The method according to any one of claims 6 to 11, characterized in that The modulation ratio α is related to at least one of a signal-to-noise ratio, a code rate, a modulation mode, and a code length of the second device.

13. The method according to any one of claims 6 to 12, characterized in that The time-frequency resource includes L resource elements, and the modulation ratio of the kth resource element in the L resource elements is α k , the modulation ratio of the hth resource element among the L resource elements is α h , α k With α h Different, k and h are both less than or equal to L, and k and h are both greater than or equal to 1.

14. A communication method, characterized in that: include: The second device receives a first signal from the first device, where the first signal includes a communication signal and a perception signal, and the communication signal and the perception signal occupy the same time-frequency resources; The second device determines the communication signal and the perception signal.

15. The method according to claim 14, characterized in that The second device determines the communication signal and the perception signal, including: The second device performs perceptual elimination on the first signal according to the modulation ratio α on the time-frequency resource to obtain the communication signal.

16. The method according to claim 14 or 15, characterized in that The first peak is greater than the second peak. The first peak is a frequency domain peak obtained by time domain correlation between the perception signal and the delayed signal of the perception signal. The second peak is a frequency domain peak obtained by time domain correlation between the communication signal and the delayed signal of the communication signal.

17. The method according to any one of claims 14 to 16, characterized in that The power ratio of the communication signal in the first signal and the power ratio of the perception signal in the first signal are both related to the modulation ratio α on the time-frequency resource.

18. The method according to claim 17, characterized in that The time domain waveform s of the first signal satisfies one of the following: s=a1s1+a2s2, a1 is the power ratio of the communication signal in the first signal, and a2 is the power ratio of the perception signal in the first signal; Among them, s1 is the time domain waveform of the communication signal, and s2 is the time domain waveform of the perception signal.

19. The method according to claim 17 or 18, characterized in that The method further comprises: The second device receives first indication information sent by the third device, where the first indication information is used to indicate the modulation ratio α; or The second device receives second indication information sent by the first device, where the second indication information is used to indicate the modulation ratio α; or The second device sends third indication information to the first device, where the third indication information is used to indicate the modulation ratio α; The second indication information and the third indication information are both used to indicate the modulation ratio α.

20. The method according to claim 19, characterized in that At least one of the first indication information, the second indication information, or the third indication information includes an MCS index, and the MCS index corresponds to the modulation ratio α.

21. The method according to any one of claims 14 to 20, characterized in that The method further comprises: The second device sends capability information to the first device, where the capability information is used to indicate a perceived interference cancellation capability of the second device, and the perceived interference cancellation capability is used to determine a modulation ratio α.

22. The method according to claim 19 or 20, characterized in that When the second device has the capability of eliminating the perceived interference, the second device receives the second indication information sent by the first device.

23. The method according to any one of claims 15, 17 to 22, characterized in that The modulation ratio α is related to at least one of a signal-to-noise ratio, a code rate, a modulation mode, and a code length of the second device.

24. The method according to any one of claims 15, 17 to 23, characterized in that The time-frequency resource includes L resource elements, and the modulation ratio of the kth resource element in the L resource elements is α k , the modulation ratio of the hth resource element among the L resource elements is α h , α k With α h Different, k and h are both less than or equal to L, and k and h are both greater than or equal to 1.

25. A communication device, characterized in that: The method comprises a module for executing the method according to any one of claims 1 to 13, or a module for executing the method according to any one of claims 14 to 24.

26. A communication device, characterized in that: include: A processor, wherein the processor is configured to execute the method according to any one of claims 1 to 24 by running a computer program or by a logic circuit.

27. The device according to claim 26, characterized in that Also included is a memory for storing the computer program.

28. The device according to claim 26 or 27, characterized in that A communication interface is also included, and the communication interface is used to input and / or output signals.

29. A communication system, characterized in that: include: A first device for performing the method according to any one of claims 1 to 13, and a second device for performing the method according to any one of claims 14 to 24.

30. A computer-readable storage medium, characterized in that Used to store computer program instructions, wherein the computer program causes a computer to execute the method according to any one of claims 1 to 24.

31. A computer program product, characterized in that The method comprises computer program instructions which cause a computer to execute the method according to any one of claims 1 to 24.

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