Sony Corporation

Southeast University

Jian Dang

Zaichen Zhang

Liang Wu

Yu Shi

Penshun Lu

Weiwei Qin

Chao Wei

Yingying Yu

Lili Zheng

Weiwen Chu

Jianqing Dou

Xiao Chen

Pen-shun Lu

Guangguo Bi

Xiaoyan Wang

Xutao Yu

Minghao Guo

Luejun Xu

Pen-Shun Lu

Nan Xiang

Provided in the present disclosure are an electric apparatus and method for a wireless communication network control end, and electronic apparatus and method for a wireless communication network node. The electronic apparatus for the wireless communication network control end includes a processing circuit. The processing circuit is capable of determining how to divide wireless communication transmission resources in a predetermined domain, the divided transmission resources being employed for first-time transmission and re-transmission of a network node, respectively. The processing circuit is also capable of generating configuration information containing information of a dividing manner of the wireless communication transmission resources.

Electronic apparatus and method for wireless communication network control end and network node

A small cell interference coordination method and wireless communication device includes obtaining mobile information of at least one of the small cells. Relative movement between the small cells is determined according to at least the movement information. A Doppler frequency shift of a signal between small cells is estimated according to the relative movement. An interference alignment policy between small cells is implemented according to the estimated Doppler frequency shift.

Small cell interference coordination method and wireless communication device

The present invention relates to a wireless communication method and device based on a license-free band. A method for wireless communication between a base station and a user terminal comprises: receiving uplink transmission from a first type user terminal, the first type user terminal operating in a license-free mode; and switching at least one first type user terminal to a licensed mode if the evaluated decoding performance of the uplink transmission does not reach a desired level. The decoding performance is an indicator capable of more accurately reflecting the degree of resource contention, and thus can more reasonably determine the time of switching the user terminal to the licensed mode.

Wireless communication method and device based on license-free band

Provided are an apparatus and method for a hybrid multiple access wireless communication system. The apparatus comprises: a parameter acquisition unit configured to acquire a relevant parameter of a hybrid multiple access wireless communication system; and a sub-carrier allocation unit configured to use the relevant parameter to allocate sub-carriers to each user equipment with the purpose of optimizing overall communication quality of the hybrid multiple access wireless communication system.

Apparatus and method for hybrid multiple access wireless communication system

An electronic device for wireless communication with two groups of communication devices, the electronic device comprising a processing circuit, wherein the processing circuit is configured to: acquire a first waveform parameter related to a first group of communication devices, wherein the first waveform parameter is related to the form of a signal waveform for communications by the first group of communication devices; and notify a second group of communication devices of the first waveform parameter such that the second group of communication devices can determine, based on the first waveform parameter, a precoding matrix for communications by the second group of communication devices. Further disclosed are a wireless communication method, a base station, and a second wireless communication device from among one group of communication devices.

Wireless communication method and wireless communication device

Provided are an electronic device and method for wireless communication. The electronic device comprises: a processing circuit configured to: based on the reception of a first signal sent by a remote wireless communication device, selecting one or more candidate wave beams from a pre-determined group of wave beams; and acquiring an optimal wave beam pair based on the one or more candidate wave beams, wherein the optimal wave beam pair is the wave beam pair enabling a channel gain to be the maximum.

Electronic device and method for wireless communication

A wireless communication method and device. The method includes receiving location information from one or more terminals served by a first base station, and identifying, according to the received location information, a first terminal located within the coverage range of the first base station and proximate to the coverage range of at least one second base station, the first terminal served by the first base station being capable of receiving an interference signal from the at least one second base station, and a second terminal served by a corresponding second base station and distant from the coverage range of the first base station existing within the coverage range of each of the at least one second base station. There is a cooperating with the at least one second base station to determine a downlink transmission mode for the first terminal.

Provided are an apparatus and method for a sending end and a receiving end of a wireless communication system, and a soft information estimator. The apparatus for the sending end of the wireless communication system comprises: an interleave division multiple access unit configured to perform interleave processing on information to be sent; and a filter bank multi-carrier unit configured to use a specific sub-carrier chosen in advance to transmit the interleaved information in a parallel manner.

Apparatus and method for receiving and sending ends of wireless communication system, and soft information estimator

Provided is a wireless communication apparatus for a non-orthogonal multiple access communication system. The apparatus comprises: a power adjustment unit which is used, for at least some of user equipment included in the communication system, dynamically adjusting the sending power of each of the at least some of the user equipment for each sub-carrier according to channel state information about the communication system, in order that the at least some of the user equipment perform uplink data transmission on corresponding sub-carriers with the adjusted sending power. According to the disclosed apparatus, method and system, at least one of the following technical benefits could be obtained: increasing the channel capacity of the communication system; reducing the bit error rate during the communication; and reducing the interference between corresponding user equipment in the communication system.

Wireless communication apparatus and method, base station, user equipment and communication system

A small cell interference coordination method and wireless communication device. The method includes: obtaining mobile information of at least one of the small cells; determining relative movement between the small cells according to at least the movement information; estimating a Doppler frequency shift of a signal between small cells according to the relative movement; and implementing an interference alignment policy between small cells according to the estimated Doppler frequency shift.

The present disclosure provides a signal processing system and method for a non-orthogonal multiple access communication system, a base station and a user equipment. The signal processing system is configured to perform interleaving processing on information to be transmitted subjected to modulation processing. The signal processing system can obtain at least one of the following beneficial effects: capable of saving length of an interleaver; and capable of obtaining more diversity gain.

Signal processing system and method, base station and user equipment

In a wireless communications system, a base station includes a first number of antennas and a smaller second number of radio frequency links. A base station apparatus includes: a rough arrival angle estimation unit, which estimates a rough arrival angle pair by a second number of antennas and a second number of radio frequency links; a candidate arrival angle estimation unit, which determines a candidate arrival angle pair based on a rough arrival angle pair and beam widths determined by a first number and a second number of antennas, respectively; and a precise arrival angle determination unit, which calculates the difference between the projection component and real component for the candidate arrival angle pairs based on a training tone from the user equipment, and designates the candidate arrival angle pair with the smallest difference between those components as the precise arrival angle pair.

Apparatus and method in wireless communications system

The present invention provides a method and device for performing interference coordination in a wireless communication system. The wireless communication system comprises a plurality of user terminals. The method comprises: determining, according information acquired from user terminals, arrival angles of signals sent by the user terminals; and selecting a user terminal that needs a service according to the arrival angles of the signals sent by the user terminals.

Growing community of inventors

Nanjing, China

Jian Dang