Sony Corporation

Sony Group Corporation

Pingping Xu

Wenbo Zhang

Penshun Lu

Bin Sheng

Guilu Wu

Pen-shun Lu

Yicheng Xu

Chen Sun

Wei Wang

Bingshan Hu

Yuan Zhang

Meng Wang

Weiwei Wang

Wenxiang Zhu

Nanlan Jiang

Lin Xiao

Ying Liu

Wanlin Sun

A method for estimating channel parameters includes: sending a paging signal for identifying the tag device; sending training sequence information, receiving first training sequence feedback information during a non-working period of the tag device, receiving, during a working period of the tag device, second training sequence feedback information modulated by the tag device, and estimating the channel parameters of the tag device according to the training sequence feedback information and the second training sequence feedback information. The tag device having at least one antenna of the present disclosure can modulate carrier signals to transmit information, has advantages such as a fast transmission rate, a large amount of transmission data and a strong anti-interference capability, and can adapt to different application scenarios.

Tag device in wireless communication system, electronic device, communication method, and storage medium

The present disclosure provides an electronic device and a method for wireless communication, and a computer readable storage medium. The electronic device comprises: a processing circuit configured to: determine, on the basis of the channel statistical characteristics of a sidelink channel between a first communication device and a second communication device in the Internet of Vehicles, whether a communication path between the first communication device and the second communication device is a direct view path or a non-direct view path; and if the communication path is a direct view path, use the information obtained by means of the direct view path for the coordinated positioning of the first communication device and the second communication device.

Electronic device and method for wireless communication, and computer readable storage medium

An apparatus and method for wireless communication. The apparatus includes processing circuitry: configured to receive a relay establishment request from a source communication device; configured to acquire historical energy information and current energy information about a candidate communication device as a relay candidate, and to determine one or more relay communication devices to be used as a relay based on the acquired information; and configured to send information about the relay establishment to the one or more relay communication devices, the source communication device, and a destination communication device.

Wireless communication apparatus and method for selecting one or more relay communication devices based on historical and current energy information

The present disclosure relates to a user equipment in a wireless communication system, an electronic device, a method and a storage medium. The user equipment in the wireless communication system according to the present disclosure comprises one or more processing circuits, the processing circuits being configured to execute the following operations: acquiring a downlink signal from an electronic device in the wireless communication system; estimating the angle of arrival (AOA) of the downlink signal, wherein at least the AOA and the position of the electronic device are used for estimating the position of the user equipment. By using the user equipment, electronic device, method and storage medium according to the present disclosure, the AOA of a downlink signal may be estimated when the user equipment is in an idle or initial access state, and the AOA may be used for estimating the position of the user equipment.

User equipment in wireless communication system, electronic device, method and storage medium

An electronic equipment, a user equipment, a wireless communication method, and a storage medium. An electronic equipment configured in a wireless communication system that comprises a single base station equipment comprises a processing circuit and is configured to: estimate the distance between a network side equipment and a user equipment according to a downlink signal arrival angle measured by the user equipment and an uplink signal arrival angle measured by the network side equipment; and determine the position of the user equipment according to the distance between the network side equipment and the user equipment as well as the uplink signal arrival angle.

Electronic equipment, user equipment, wireless communication method, and storage medium

A device at a transmitting side includes a channel detection unit configured to detect whether a transmitting-end channel in an unlicensed frequency band is idle; and a coordination unit configured to enable, if the transmitting-end channel is idle, the transmitting side to broadcast an inter-operator coordination signal before transmitting a data stream, so as to realize information interaction between apparatuses of different operators, wherein the inter-operator coordination signal implements, by means of presence/absence of energy in a specified frequency band, an energy pattern signal on a time-frequency domain plane for the information interaction between the apparatuses of different operators. By enabling inter-operator information interaction in an unlicensed frequency band by means of an energy pattern signal, the embodiments of the present disclosure eliminate difficulties of reception and demodulation for signal detection between apparatuses of different operators, thus effectively realizing coordination between the apparatuses of different operators, and improving system performance.

Device and method in radio communication system, and radio communication system

An electronic apparatus is configured to be a transmitting apparatus in D2D communication, and comprises: a transceiver; and one or more processing circuits configured to perform the following operations: enabling, on the basis of the electronic apparatus and position information of a receiving apparatus corresponding to the electronic apparatus, the transceiver to request a server in a wireless communication system for beamforming information; if the electronic apparatus does not receive beamforming information from the server, triggering a beam training process between the electronic apparatus and the receiving apparatus; and after the beam training process is completed, enabling the transceiver to report a result of the beam training process to the server. Employing the electronic apparatus, server, and wireless communication method enables combination of advantages of two beamforming techniques, i.e., adaptive beamforming and predefined codebook beam switching, thus achieving high transmission performance on the basis of a simple algorithm.

Electronic apparatus and server in wireless communication system, and wireless communication method

Provided by the present disclosure are a positioning apparatus for positioning a mobile node in a wireless communication system, a mobile node, a wireless communication apparatus and a positioning method. The positioning apparatus comprises: a processing circuit, configured to determine position information of a mobile node on the basis of ranging information determined by a neighboring node of the mobile node in response to ranging requests sent multiple times by the mobile node and position information of the neighboring node, the ranging information comprising a ranging result which is determined by the neighboring node for each ranging request of the mobile node. The positioning apparatus, mobile node, wireless communication apparatus and positioning method according to the present disclosure may effectively suppress the occurrence of an image error, thereby improving positioning accuracy.

Positioning apparatus, method, mobile node and wireless communication apparatus

An electronic device and method in a wireless communication system. The electronic device includes a processing circuit configured to: determine, according to information about one or more sets of performance parameters from user equipment, one or more reporting periods in which the user equipment reports an out-of-synchronization flag, the user equipment notified of the one or more reporting periods, the out-of-synchronization flag indicating whether a synchronization delay between the user equipment and a base station exceeds a predetermined system tolerance; and if the user equipment indicates that the synchronization delay exceeds the predetermined system tolerance by using an out-of-synchronization flag reported in one of the one or more reporting periods, adjusting a timing advance, such that the user equipment synchronizes with the base station according to the adjusted timing advance.

Electronic device and method in wireless communication system

A method includes for a designated pilot symbol of at least one pilot symbol to be inserted into a data sequence, determining a first subcarrier and a second subcarrier adjacent to a position of the designated pilot symbol in a frequency domain; at least separately determining a first position and a second position on the first subcarrier and the second subcarrier; determining a first symbol and a second symbol, so that the first symbol is capable of neutralizing interference on the designated pilot symbol of data symbols in positions other than the first position within a predetermined range of the first subcarrier, and the second symbol is capable of neutralizing interference on the designated pilot symbol of data symbols in positions other than the second position within a predetermined range of the second subcarrier; and respectively inserting the first symbol and the second symbol in the first and second positions.

Wireless communication method and wireless communication device for generating a pilot pattern and performing channel estimation

Disclosed are an electronic device in a wireless communication system, a method, and a computer readable storage medium. The electronic device in the wireless communication system disclosed in the present invention comprises a processing circuit, being configured to: determine an area for beamforming during a specific time period; transmit information associated with the area to one or more auxiliary transmitting devices in the wireless communication system, so that the one or more auxiliary transmitting devices generate beam signals during the specific time period and transmit the beam signals to the area; and generate the beam signals simultaneously with the one or more auxiliary transmitting devices during the specific time period and transmitting the beam signals to the area. By using the electronic device, the method, and the computer readable storage medium disclosed in the present invention, a plurality of transmitting devices can simultaneously transmit beam signals to a same area.

Growing community of inventors

Nanjing, China

Pingping Xu