Abstract: A signal processing system and method for integrated communication and sensing includes a terminal and an access device. The terminal performs uplink transmission beamforming and management by using fused sensing information, and sends an uplink signal in an uplink time slot. The access device receives the uplink signal in the uplink time slot and receives an echo signal of a downlink signal in a downlink time slot; and performs incident angle estimation, performs reception beamforming and management, performs range and Doppler frequency shift estimation by using fused sensing information to obtain first sensing information of the uplink signal and second sensing information of the echo signal; updates the fused sensing information based on the first sensing information and the second sensing information; performs downlink transmission beamforming and management by using the fused sensing information, and sends a downlink signal in a downlink time slot.

Abstract: The embodiments of the present invention provide a user equipment positioning method, apparatus, a base station and a storage medium, and relates to the technical field of wireless communication.

Abstract: The embodiments of the present application provide a radar-sensing detection method and device based on radar-sensing communication integration. Said method comprises: when being applied to a sending end, determining a position of a receiving end, then sending a beam control signal to the receiving end through a preset beam control request channel, receiving a beam control response signal sent by the receiving end, and sending a first detection result signal to the receiving end in a preset reservation channel. The embodiments of the present application can expand the detection range of an autonomous vehicle.

Abstract: The embodiments of the present application provide a radar-sensing detection method and device based on radar-sensing communication integration. Said method comprises: when being applied to a sending end, determining a position of a receiving end, then sending a beam control signal to the receiving end through a preset beam control request channel, receiving a beam control response signal sent by the receiving end, and sending a first detection result signal to the receiving end in a preset reservation channel. The embodiments of the present application can expand the detection range of an autonomous vehicle.

Abstract: The embodiments of the present application provide a method and apparatus for modulation recognition of signals based on cyclic residual network, the method comprises: obtaining a signal matrix of a to-be-recognized signal, and extracting real part information and imaginary part information of the signal matrix; generating, according to extracted real part information and imaginary part information, a real-and-imaginary-part feature matrix of the to-be-recognized signal; converting, according to a preset matrix conversion method, the real-and-imaginary-part feature matrix into an amplitude-and-phase feature matrix; and inputting the amplitude-and-phase feature matrix into a pre-trained cyclic residual network to obtain a modulation mode corresponding to the to-be-recognized signal.

Abstract: A broadband millimeter wave beam tracking method based on vehicle movement trajectory recognition, which relates to the field of wireless communication.

Abstract: Embodiments of the present invention provide a signal processing method and apparatus, a first device determines a target insertion position of a pilot sequence in a first frequency-domain signal based on the data bits in a first sub-data signal obtained by dividing data bits in a data signal, combines the pilot sequences with a second sub-data signal obtained by dividing the data signal according to the determined target insertion positions, to obtain the first frequency-domain signal; sends the pulse signal corresponding to the first frequency-domain signal to the second device.

Abstract: Embodiments of the present application provide a time allocation method, device, device, and storage medium based on an on-board device.

Abstract: Disclosed is a method for classifying mixed signals, comprising: receiving mixed signals; performing calculation on a matrix corresponding to the mixed signals by means of a preset Principal Component Analysis method to obtain to-be-classified mixed signals and to determine the number of types of signals contained in the to-be-classified mixed signals; determining a separation matrix based on the number of types of signals contained in the to-be-classified mixed signals; separating individual signals in the to-be-classified mixed signals by means of the separation matrix to obtain to-be-identified signals; calculating a preset number of high-order cumulants corresponding to each to-be-identified signal in the to-be-identified signals respectively; taking the calculated high-order cumulants as characteristics of the to-be-identified signal corresponding to the high-order cumulants respectively; inputting the characteristics of the to-be-identified signal into a preset classification model; and obtaining a modu

Abstract: The invention relates to an integrated sensing and communication system based on a mobile communication signal, belonging to the field of wireless communication.

Abstract: A computation offloading method includes: establishing an associated model of a terminal for computation offloading; training the associated model by taking a to-be-computed task of the terminal, an uplink communication channel gain, a sensing pulse response and an angle difference between a communication beam and a sensing beam as input, to obtain an offloading parameter of the terminal for the to-be-computed task, wherein the to-be-computed task comprises to-be-computed communication data and to-be-computed sensing data, and the offloading parameter comprises a decision for offloading a computing task and a decision for offloading radio frequency transmission power; and offloading the to-be-computed task to an edge side according to the offloading parameter.

Abstract: A cooperative precoding method and device.

Abstract: Provided are a radar communication integrated cooperative detection method and apparatus based on beam power distribution.

Abstract: Disclosed are a method and an apparatus for handover between heterogeneous networks.

Abstract: The embodiments of the present application provide a method and apparatus for modulation recognition of signals based on cyclic residual network, the method comprises: obtaining a signal matrix of a to-be-recognized signal, and extracting real part information and imaginary part information of the signal matrix; generating, according to extracted real part information and imaginary part information, a real-and-imaginary-part feature matrix of the to-be-recognized signal; converting, according to a preset matrix conversion method, the real-and-imaginary-part feature matrix into an amplitude-and-phase feature matrix; and inputting the amplitude-and-phase feature matrix into a pre-trained cyclic residual network to obtain a modulation mode corresponding to the to-be-recognized signal.

Abstract: Disclosed is a method for classifying mixed signals, comprising: receiving mixed signals; performing calculation on a matrix corresponding to the mixed signals by means of a preset Principal Component Analysis method to obtain to-be-classified mixed signals and to determine the number of types of signals contained in the to-be-classified mixed signals; determining a separation matrix based on the number of types of signals contained in the to-be-classified mixed signals; separating individual signals in the to-be-classified mixed signals by means of the separation matrix to obtain to-be-identified signals; calculating a preset number of high-order cumulants corresponding to each to-be-identified signal in the to-be-identified signals respectively; taking the calculated high-order cumulants as characteristics of the to-be-identified signal corresponding to the high-order cumulants respectively; inputting the characteristics of the to-be-identified signal into a preset classification model; and obtaining a modu

Abstract: Provided are a radar communication integrated cooperative detection method and apparatus based on beam power distribution.

Abstract: Clustering-based methods, apparatuses for frequency offset determination and elimination and electronic devices are disclosed. The clustering-based method for frequency offset determination includes: determining a constellation diagram for a received signal; determining N different values within a preset frequency interval, as N frequency offset estimates for a frequency offset of the received signal; for each of the frequency offset estimates, correcting the constellation diagram based on the frequency offset estimate to obtain a corrected constellation diagram, clustering signal points on the corrected constellation diagram, and calculating an area of a signal region in the corrected constellation diagram after clustering; and determining a frequency offset estimate corresponding to a signal region with a minimum area as a value of the frequency offset. The embodiments of the present invention can improve the accuracy and stability of the calculated value of the frequency offset.

Abstract: Disclosed are a method and an apparatus for handover between heterogeneous networks.

Abstract: Clustering-based methods, apparatuses for frequency offset determination and elimination and electronic devices are disclosed. The clustering-based method for frequency offset determination includes: determining a constellation diagram for a received signal; determining N different values within a preset frequency interval, as N frequency offset estimates for a frequency offset of the received signal; for each of the frequency offset estimates, correcting the constellation diagram based on the frequency offset estimate to obtain a corrected constellation diagram, clustering signal points on the corrected constellation diagram, and calculating an area of a signal region in the corrected constellation diagram after clustering; and determining a frequency offset estimate corresponding to a signal region with a minimum area as a value of the frequency offset. The embodiments of the present invention can improve the accuracy and stability of the calculated value of the frequency offset.