公开(公告)号：US20200053711A1

公开(公告)日：2020-02-13

申请号：US16492611

申请日：2018-01-31

Applicant: Sony Corporation

Inventor： Hiroki MATSUDA ,  Naoki KUSASHIMA ,  Kazuyuki SHIMEZAWA

IPC: H04W72/04 ,  H04W68/00 ,  H04W72/10

Abstract: To implement low-delay and highly reliable communication in a more suitable manner.A communication apparatus including: a control unit that performs control such that data are transmitted to a transmission destination via at least any one of a plurality of channels shared in communication with each of a plurality of apparatuses; and a determination unit that determines whether or not the plurality of channels is available for transmission of the same data, in which the control unit performs control such that in a case where at least one of the plurality of channels has continued to be available for data transmission beyond a period set for the channel, data are transmitted by use of the channel.

公开(公告)号：US20190342896A1

公开(公告)日：2019-11-07

申请号：US16473623

申请日：2017-11-27

Applicant: Sony Corporation

Inventor： Naoki KUSASHIMA ,  Kazuyuki SHIMEZAWA ,  Hiroki MATSUDA

IPC: H04W72/12 ,  H04W56/00 ,  H04W72/04 ,  H04W74/08 ,  H04W88/12 ,  H04W88/02

Abstract: [Object] To provide a mechanism that makes it possible to reduce overhead of control information and flexibly control terminal devices.[Solution] There is provided a base station device including a transmission processing unit configured to transmit first control information including information specific to a terminal group, to the terminal group including one or more terminal devices, and transmit second control information to the terminal group on a basis of the information specific to the terminal group.

公开(公告)号：US20190182812A1

公开(公告)日：2019-06-13

申请号：US16327328

申请日：2017-10-12

Applicant: Sony Corporation

Inventor： Kazuyuki SHIMEZAWA ,  Naoki KUSASHIMA ,  Hiromasa UCHIYAMA ,  Hiroki MATSUDA

IPC: H04W72/04 ,  H04B7/06 ,  H04L5/00 ,  H04W72/12

Abstract: [Object] To cause the transmission efficiency of the entire system to be significantly improved.[Solution] A terminal device configured to perform communication with a base station device, including: a wireless transmitting unit configured to transmit an uplink channel using a first signal waveform or a second signal waveform on the basis of control information notified by the base station device. The first signal waveform is a multicarrier signal, and the second signal waveform is a single carrier signal.

公开(公告)号：US20210385877A1

公开(公告)日：2021-12-09

申请号：US17057110

申请日：2020-02-07

Applicant: Sony Corporation

Inventor： Hiroki MATSUDA ,  Naoki KUSASHIMA

IPC: H04W74/08 ,  H04W74/00

Abstract: Provided are a communication device and a communication method capable of further improving the quality between radio links in a communication system in which a base station device and the communication device communicate with each other. A communication device (50) according to the present disclosure includes a receiver (511a) and a transmitter (512d). The receiver (511a) receives a synchronization signal transmitted from a base station device (20, 30). The transmitter (512d) transmits a physical random access channel (PRACH) including a feature capable of uniquely identifying the synchronization signal received by a receiver (511a) and/or a PRACH resource to the base station device (20, 30).

公开(公告)号：US20210227425A1

公开(公告)日：2021-07-22

申请号：US17268962

申请日：2019-09-04

Applicant: Sony Corporation

Inventor： Hiromasa UCHIYAMA ,  Naoki KUSASHIMA

IPC: H04W28/04 ,  H04L1/18 ,  H04W28/02 ,  H04W76/11

Abstract: To provide a mechanism that enables appropriate recovery when a communication error occurs in terminal-to-terminal communication. A communication apparatus including: a control unit (240) that transmits a negative acknowledgement by a sidelink in a case of failing to receive a packet transmitted from a transmission terminal (200A) by a sidelink, and transmits information for imposing restrictions on an operation of a peripheral terminal (200C) by a sidelink in association with the negative acknowledgement.

公开(公告)号：US20190320361A1

公开(公告)日：2019-10-17

申请号：US16314669

申请日：2017-06-26

Applicant: Sony Corporation

Inventor： Hiromasa UCHIYAMA ,  Kazuyuki SHIMEZAWA ,  Naoki KUSASHIMA

IPC: H04W36/00 ,  H04W36/30

Abstract: [Object] To realize handover in relay communication using a relay terminal in a more satisfactory manner.[Solution] A communication device including: a communication unit configured to perform wireless communication; and a control unit configured to acquire information regarding a communication quality of one or more radio links including at least one of a direct first radio link or a second radio link via a relay terminal, which is configured to be movable, between a remote terminal and a base station, and to switch the radio link to be used in communication between the remote terminal and the base station on the basis of the acquired information regarding the communication quality.

公开(公告)号：US20190191437A1

公开(公告)日：2019-06-20

申请号：US16322128

申请日：2017-06-21

Applicant: Sony Corporation

Inventor： Naoki KUSASHIMA

IPC: H04W72/04 ,  H04W72/12 ,  H04W76/11 ,  H04L1/00 ,  H04W76/27 ,  H04L5/00 ,  H04W80/02 ,  H04W76/15

CPC classification number: H04W72/0453 ,  H04L1/0063 ,  H04L5/0055 ,  H04W72/04 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/12 ,  H04W72/1205 ,  H04W76/11 ,  H04W76/15 ,  H04W76/27 ,  H04W80/02

Abstract: [Object] To enable multiplexing configurations of a plurality of uplink control channels in a preferred mode in a communication system in which a base station device and a terminal device communicate with each other.[Solution] A communication device includes: a communication unit configured to perform wireless communication; and a control unit configured to selectively switch between a first physical channel and a second physical channel in which both conditions of the number of symbols and the number of resource blocks are different from each other and which are allocated during a predetermined period in a time direction to transmit control information to a base station.

公开(公告)号：US20210377927A1

公开(公告)日：2021-12-02

申请号：US16322624

申请日：2017-06-14

Applicant: Sony Corporation

Inventor： Naoki KUSASHIMA ,  Hiromasa UCHIYAMA

IPC: H04W72/04

Abstract: [Object] To achieve communication between terminal devices in a more preferred aspect even in a situation in which wireless access technologies in which definition of resources is different are multiplexed in a communication system in which a base station device and terminal devices communicate with each other.
[Solution] A communication device includes: a communication unit configured to perform wireless communication; a control unit configured to allocate a resource to each of a first channel for transmitting control information and a second channel for transmitting data in communication between a plurality of terminal devices; and a notification unit configured to notify at least any terminal device among the plurality of terminal devices of information regarding the resource.

公开(公告)号：US20210307072A1

公开(公告)日：2021-09-30

申请号：US17261879

申请日：2019-08-01

Applicant: Sony Corporation

Inventor： Naoki KUSASHIMA

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/04

Abstract: There is provided a wireless communication device capable of making the wireless communication link more stable in a communication system using an unlicensed band. There is provided a wireless communication device including a determination unit (243) configured to determine whether a channel is clear or busy, a communication unit (220) configured to transmit an uplink signal of a RACH procedure, and a setting unit (243) configured to set at least a first resource and a second resource to transmit the uplink signal, in which the first resource is selected from a set of resources set by information in an RRC layer, and the second resource is designated by downlink information in a physical layer.

公开(公告)号：US20210143960A1

公开(公告)日：2021-05-13

申请号：US16474552

申请日：2017-11-24

Applicant: Sony Corporation

Inventor： Kazuyuki SHIMEZAWA ,  Naoki KUSASHIMA

IPC: H04L5/00 ,  H04W72/04 ,  H04W72/14

Abstract: Provided is a mechanism capable of improving the transmission efficiency of the entire system in a case where dynamic resource sharing is performed.
A terminal device includes: an acquisition unit that acquires first control information and second control information provided in notification from a base station device; and a reception processing unit that performs reception processing of a first data channel scheduled to a first resource, and a reference signal for demodulating the first data channel, on the basis of the first control information, in which the reception processing unit performs the reception processing of the first data channel mapped to a resource other than a second resource that is a part of the first resource in the first resource on the basis of the second control information on the assumption that the reference signal is mapped to the first resource including the second resource.