Abstract: A method and device for wireless communication in a UE and a base station is disclosed. The user equipment receives a first bit block, transmits or receives a first wireless signal on a first time-frequency resource set, and transmits a second wireless signal on a second time-frequency resource set. The user equipment determines to transmit the second wireless signal on the second time-frequency resource set. A second bit field in the first bit block is used to indicate the first time-frequency resource set. A first bit field in the first bit block is used to simultaneously indicate a first spatial parameter group for transmitting the first wireless signal and a second spatial parameter group for transmitting the second wireless signal or a first multiple access signature for generating the second wireless signal. The spatial parameter group information used for scheduling PDSCH or PUSCH is applied to the uplink grant-free transmission.

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 apparatus and radio communication method in a radio communication system. The electronic apparatus includes: one or more processing circuits configured to execute the following operations: determining, based on an antenna array corresponding to the electronic apparatus, corresponding a transceiver unit (TXRU) configuration, wherein each TXRU is associated with one set of antenna units having a same polarization direction, the antenna array includes plural antenna units having M rows, N columns and P-dimensional polarization directions, and M, N and P are natural numbers; and adding antenna configuration information to a radio resource control (RRC) signaling to be use in a user equipment (UE) in the radio communication system, wherein the antenna configuration information is used to obtain a number of the TXRU in the antenna configuration.

Abstract: An apparatus and a method in a wireless communication system. In the wireless communication system, a master device provides a data forwarding service for one or plural slave devices, a master device side apparatus including: a monitoring unit, configured to monitor a predetermined trigger event relating to a change in state of the master device; a handover pre-measurement control unit, configured to respond to the predetermined trigger event by controlling the handover pre-measurement of the one or plural slave devices; and a handover measurement control unit, configured to control, based on the handover premeasurement results, the handover measurement of the one or plural slave devices. The apparatus and method can accelerate start time of effective link handover in a dynamic network, reduce unnecessary link handover, and reduce delays and data loss caused by link failure.

Abstract: A wireless communication device and a wireless communication method. The wireless communication device includes one or more processors. The processor is configured to estimate an equivalent channel from a base station to user equipment based on a user equipment specific reference signal from the base station, and generate, according to the estimated equivalent channel, a channel state indication used to be fed back to the base station.

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: 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: 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: The present application discloses a battery to alleviate the impact on the main body of the battery and for improving the safety performance of the battery. The battery comprises a package case and a circuit board, wherein the package case forms a first surface and a buffer member is arranged between the circuit board and the first surface. In the present application, the buffer member between the circuit board and the first surface may alleviate the force received on the first surface, thereby alleviating the impact on the electrode assembly of the battery, avoiding the damage of the positive and negative electrode plates and the short circuit caused by the contact between the positive and negative electrodes, and improving the safety of battery.

Abstract: An apparatus and a method in a wireless communication system. In the wireless communication system, a master device provides a data forwarding service for one or plural slave devices, a master device side apparatus including: a monitoring unit, configured to monitor a predetermined trigger event relating to a change in state of the master device; a handover pre-measurement control unit, configured to respond to the predetermined trigger event by controlling the handover pre-measurement of the one or plural slave devices; and a handover measurement control unit, configured to control, based on the handover pre-measurement results, the handover measurement of the one or plural slave devices. The apparatus and method can accelerate start time of effective link handover in a dynamic network, reduce unnecessary link handover, and reduce delays and data loss caused by link failure.

Abstract: The present invention provides a chip packaging structure, and a packaging method thereof. The structure comprises a silicon-based main body and chip electrodes. The silicon-based main body is provided with a passivation layer on a front face thereof and passivation layer openings are provided on the passivation layer. The chip electrodes have rear faces embedded in the front face of the silicon-based main body. Front faces of the chip electrodes are exposed through the passivation layer openings. A dielectric layer is provided on an upper surface of the passivation layer, and dielectric layer openings are provided. Metal protrusion structures are provided on the front faces of the chip electrodes. An encapsulation layer is provided on side walls and a rear face of the silicon-based main body. The chip packaging structure of the present invention employs insulation protection on side walls to avoid electrical leakage and short circuit conditions.

Abstract: A wireless communication device and a wireless communication method. The wireless communication device participates in wireless communication involving an antenna array, includes: a communication unit, configured to receive a signal including antenna array geometric information about a target communication device from the target communication device of the wireless communication device; and an antenna array geometric information parsing unit, configured to determine an antenna array geometric configuration of the target communication device according to the signal, wherein the antenna array geometric information indicates at least one of a geometric arrangement way of antenna elements in the antenna array, an antenna element interval and an antenna polarization direction.

Abstract: A wireless communication device and a wireless communication method. The wireless communication device includes one or more processors. The processor is configured to estimate an equivalent channel from a base station to user equipment based on a user equipment specific reference signal from the base station, and generate, according to the estimated equivalent channel, a channel state indication used to be fed back to the base station.

Abstract: Aspects of the disclosure include an apparatus at base station side in a wireless communication system for multi-user superposition transmission. The apparatus includes a superposition control unit and an indication generation unit. The superposition control unit is configured to insert, into a data stream of each user equipment in a group of user equipment comprising a plurality of user equipment, a demodulation reference signal corresponding to the data stream, and superpose demodulation reference signals corresponding to data streams of respective user equipment. The indication generation unit is configured to generate, for at least a first user equipment among the plurality of user equipment, an indication regarding a demodulation reference signal corresponding to a data stream of other user equipment among the plurality of user equipment, to assist the first user equipment in demodulating data transmitted in the multi-user superposition transmission.

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, 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 includes a transmitting unit configured to transmit a first allocation signal synthesized by use of the superimposed coding to plenty of user equipment at least including a first and a second user equipment, and the first allocation signal at least including a first power signal part for the first user equipment and a second power signal part for the second user equipment; a receiving unit that receives at least a feedback retransmission request from the first and the second user equipment; and a processing unit that processes the first and the second power signal parts with a preset processing coefficient to obtain a second allocation signal in response to the retransmission request.

Abstract: The present disclosure relates to a non-uniform antenna array and signal processing therefor. Specifically disclosed is a device at a transmitting end, comprising a plurality of antenna elements arranged in a vertical direction. Spaces between adjacent antenna elements of at least a part of the plurality of antenna elements increase gradually in a first direction.

Abstract: A wireless communication device and a wireless communication method. The wireless communication device participates in wireless communication involving an antenna array, includes: a communication unit, configured to receive a signal including antenna array geometric information about a target communication device from the target communication device of the wireless communication device; and an antenna array geometric information parsing unit, configured to determine an antenna array geometric configuration of the target communication device according to the signal, wherein the antenna array geometric information indicates at least one of a geometric arrangement way of antenna elements in the antenna array, an antenna element interval and an antenna polarization direction.

Abstract: Aspects of the disclosure include an apparatus at base station side in a wireless communication system for multi-user superposition transmission. The apparatus includes a superposition control unit and an indication generation unit. The superposition control unit is configured to insert, into a data stream of each user equipment in a group of user equipment comprising a plurality of user equipment, a demodulation reference signal corresponding to the data stream, and superpose demodulation reference signals corresponding to data streams of respective user equipment. The indication generation unit is configured to generate, for at least a first user equipment among the plurality of user equipment, an indication regarding a demodulation reference signal corresponding to a data stream of other user equipment among the plurality of user equipment, to assist the first user equipment in demodulating data transmitted in the multi-user superposition transmission.