Abstract: An electronic device, and method, at a first communication apparatus having multiple antennas includes a memory for storing computer instructions; and a processing circuit configured to execute the stored computer instructions to: based on channel states of channels between the multiple antennas of the first communication apparatus and a second communication apparatus, determine channel characteristics of a first channel from the first communication apparatus to a second communication apparatus in an angle domain: based on the determined channel characteristics of the first channel in the angle domain, determine a first set of pilot signals used in the angle domain, the pilot signals in the first set of pilot signals being orthogonal to each other; and transform the first set of pilot signals into a second set of pilot signals for transmission over the multiple antennas of the first communication apparatus.

Abstract: A device and method for wireless communications. The device includes: an information acquisition unit, configured to acquire channel information about a transmission object and a non-transmission object for wireless communications, wherein the transmission of the transmission object is controlled by the device and transmission of the non-transmission object is not controlled by the device; and an interference reducing unit, configured to reduce interference with the non-transmission object based on the channel information about the transmission object and the non-transmission object.

Abstract: An electronic device for a wireless communication system includes processing circuitry configured to: perform control to transmit/receive signals to/from a target communication apparatus via an offset array antenna associated with the electronic device, wherein the offset array antenna comprises multiple sets of antenna elements, each has multiple antenna elements arranged in a first direction, a spatial offset and a phase difference in the first direction exist among the multiple sets of antenna elements, and the multiple sets of antenna elements are arranged in a second direction perpendicular to the first direction; and acquire a state of a channel in the first direction between the offset array antenna and the target communication apparatus, wherein the state of the channel in the first direction is determined using the signals which comprise the phase difference in the first direction.

Abstract: A wireless communication method and a wireless communication device. An electronic device for a first communication device in a wireless communication system includes: storage device configured to store an analog codebook for the first communication device, the analog codebook including a plurality of sets of first configuration parameters for a set of phase shifters of the first communication device; and a processing circuit configured to: perform channel estimation on a first channel from a second communication device to the first communication device respectively based on the plurality of sets of first configuration parameters and signal transmission from the second communication device, select a set of first configuration parameters corresponding to ones of channel estimation results that satisfy a first predetermined condition to generate a reduced analog sub-codebook, configure signal transmission from the first communication device to the second communication device based on the analog sub-codebook.

Abstract: A wireless communication method and a wireless communication device. The wireless communication device includes: one or more processors, configured to generate multiple data flows, the multiple data flows being transmitted to one or more receivers through the first quantity of radio frequency links; and to configure an antenna control parameter, the antenna control parameter being used for dynamically allocating the second quantity of antennas to the first quantity of radio frequency links. The one or more processors configure the antenna control parameter for transmission to be performed, and any one of the second quantity of antennas can be allocated to any one of the first quantity of radio frequency links in a configurable manner.

Abstract: A communication device includes a processing circuit, the processing circuit being configured as: mapping a first information bit part used for a receiving end to a corresponding channel based on a pre-set mapping rule so as to execute spatial modulation with respect to the first information bit part of the receiving end; allocating a transmission power to the receiving end; and controlling the transmission power allocated through a mapped channel to transmit a second information bit part used for the receiving end. In the case of the first information bit parts used for multiple receiving ends being the same, the channels mapped for multiple receiving ends are the same. The multi-user spatial modulation performs spatial modulation for multiple receiving ends at the same time through a multiplexing channel of the transmitting end, improving the additional modulation order and the data transmission rate which can be obtained by each receiving end.

Abstract: An electronic device, and method, at a first communication apparatus having multiple antennas includes a memory for storing computer instructions; and a processing circuit configured to execute the stored computer instructions to: based on channel states of channels between the multiple antennas of the first communication apparatus and a second communication apparatus, determine channel characteristics of a first channel from the first communication apparatus to a second communication apparatus in an angle domain; based on the determined channel characteristics of the first channel in the angle domain, determine a first set of pilot signals used in the angle domain, the pilot signals in the first set of pilot signals being orthogonal to each other; and transform the first set of pilot signals into a second set of pilot signals for transmission over the multiple antennas of the first communication apparatus.

Abstract: A wireless communication includes at least one processor. The at least one processor is configured to generate user-specific reference signals used for assisting in downlink transmission; add identical or related reference signals into two or more data streams to be transmitted; and precode the two or more data streams into which the identical or related reference signals are added, so as to generate a downlink data signal.

Abstract: A wireless communication method and a wireless communication device. The method includes: a sending side device generating a common sequence to send to a plurality of receiving side devices; each of the plurality of receiving side devices determining a first analog weight parameter according to a receiving situation of the common sequence, and determining an antenna configuration for sending a pre-determined pilot frequency signal corresponding to the receiving side device according to the determined first analog weight parameter to send the pre-determined pilot frequency signal to the sending side device; and the sending side device determining a second analog weight parameter regarding the receiving side device according to a receiving situation of the pre-determined pilot frequency signal, and determining an antenna configuration for sending data regarding the receiving side device according to the determined second analog weight parameter to send the data to the receiving side device.

Abstract: A wireless communication method and a wireless communication device. The wireless communication device includes: one or more processors, configured to generate multiple data flows, the multiple data flows being transmitted to one or more receivers through the first quantity of radio frequency links; and to configure an antenna control parameter, the antenna control parameter being used for dynamically allocating the second quantity of antennas to the first quantity of radio frequency links. The one or more processors configure the antenna control parameter for transmission to be performed, and any one of the second quantity of antennas can be allocated to any one of the first quantity of radio frequency links in a configurable manner.

Abstract: The present disclosure relates to an electronic device and communication method. The electronic device comprising a RF link unit radiating a data stream in form of electromagnetic wave radiation onto a phase shifter; a processing circuitry configured to determine an analog precoding matrix; phase shifters, each of which for performing analog precoding on the received signal of the electromagnetic wave radiation according to the determined analog precoding matrix, and an antenna array, each of antenna elements of which transmits the analog precoded signal, wherein the number of the phase shifters is the same as the number of the antenna elements of the antenna array, and the phase shifters and the antenna elements are in one-to-one correspondence.

Abstract: A wireless communication method and a wireless communication device. The method includes: a sending side device generating a common sequence to send to a plurality of receiving side devices; each of the plurality of receiving side devices determining a first analog weight parameter according to a receiving situation of the common sequence, and determining an antenna configuration for sending a pre-determined pilot frequency signal corresponding to the receiving side device according to the determined first analog weight parameter to send the pre-determined pilot frequency signal to the sending side device; and the sending side device determining a second analog weight parameter regarding the receiving side device according to a receiving situation of the pre-determined pilot frequency signal, and determining an antenna configuration for sending data regarding the receiving side device according to the determined second analog weight parameter to send the data to the receiving side device.

Abstract: The present invention discloses wireless communication method and wireless communication apparatus. Provided is an electronic equipment for a first communication apparatus of a wireless communication system, comprising: a number of antenna sub-arrays, each sub-array comprising a plurality of antennas, each column or row in the sub-array corresponding to one input terminal; a plurality of groups of first direction phase shifter, wherein the first direction phase shifters in each group are disposed between the input terminal of the corresponding sub array and a radio frequency chain, wherein each group of the plurality of groups of first direction phase shifters is configured to adjust a first direction angle of an antenna wave beam for transmitting a corresponding radio frequency chain signal in a first direction in accordance with a first control signal.

Abstract: Disclosed are a device and method in a wireless communication system. The device comprises: a first generating unit configured to generate a first pre-coding matrix according to first channel information on a channel between a first communication apparatus and a second communication apparatus; a second generating unit configured to generate a second pre-coding matrix according to the first pre-coding matrix and second channel information on the channel; and a pre-coding unit configured to pre-code a data signal according to the first pre-coding matrix and the second pre-coding matrix. According to the embodiments of the present invention, interference between user equipment can be effectively removed, the operation complexity is reduced, and the whole performance of the system is optimized.

Abstract: A wireless communication method and a wireless communication device. The wireless communication device includes: one or more processors, configured to generate multiple data flows, the multiple data flows being transmitted to one or more receivers through the first quantity of radio frequency links; and to configure an antenna control parameter, the antenna control parameter being used for dynamically allocating the second quantity of antennas to the first quantity of radio frequency links. The one or more processors configure the antenna control parameter for transmission to be performed, and any one of the second quantity of antennas can be allocated to any one of the first quantity of radio frequency links in a configurable manner.

Abstract: An apparatus for wireless communication includes a classification unit and an allocation unit. The classification unit classifies communication devices in a cell where the apparatus is located, the communication devices are classified into a plurality of communication device groups including a first communication device group and a second communication device group. The allocation unit allocates pilot frequency sequences in a first pilot frequency group to the first communication device group, and allocates pilot frequency sequences in a second pilot frequency group to the second communication device group. When the number of the pilot frequency sequences is insufficient, a multiplexing configuration is executed, such as communication devices in the second communication device group multiplex at least one pilot frequency sequence in the second pilot frequency group.

Abstract: The disclosure is related to an electronic device, communication method and medium. The electronic device comprises processing circuitry. The processing circuitry is configured to determine a sub array of a curved surface array antenna associated with the electronic device to serve a target communication apparatus, based on a channel state between the curved surface array antenna and the target communication apparatus.

Abstract: Disclosed are a device and method in a wireless communication system. The device comprises: a first generating unit configured to generate a first pre-coding matrix according to first channel information on a channel between a first communication apparatus and a second communication apparatus; a second generating unit configured to generate a second pre-coding matrix according to the first pre-coding matrix and second channel information on the channel; and a pre-coding unit configured to pre-code a data signal according to the first pre-coding matrix and the second pre-coding matrix. According to the embodiments of the present invention, interference between user equipment can be effectively removed, the operation complexity is reduced, and the whole performance of the system is optimized.

Abstract: A method for an electronic device includes determining, based on indicating information of an uplink pilot sequence allocated by a base station, an uplink pilot sequence, transmitting the uplink pilot sequence, and determining a change in a geographical location of the electronic device. In a case that the geographical locations of the electronic device before and after changing correspond to different cell partitions, the uplink pilot sequence is updated based on the indicating information allocated by the base station, and the updated uplink pilot sequence corresponds to the cell partition corresponding to the geographical location of the electronic device after changing. The uplink pilot sequence is for the base station estimating a channel between the base station and the electronic device, and filtering based on the geographical location of the electronic device during the channel estimation, to obtain a channel estimation result matching the electronic device.

Abstract: An electronic device for a multi-antenna communication apparatus includes a processing circuit. The processing circuit is configured to: map a first information bit to a first reconstructed channel in a plurality of reconstructed channels associated with a plurality of antennas of a multi-antenna communication apparatus; and provide a reconstruction parameter corresponding to the first reconstructed channel, so as to reconstruct an actual channel from the multi-antenna communication apparatus to a peer communication apparatus to bear the first information bit, wherein the plurality of reconstructed channels are determined by configuring, based on a plurality of groups of reconstruction parameters, the plurality of antennas of the multi-antenna communication apparatus, so that the plurality of reconstructed channels have a low correlation with each other.