公开(公告)号：US20210185561A1

公开(公告)日：2021-06-17

申请号：US17180881

申请日：2021-02-22

Applicant: Sony Corporation

Inventor： Yuichi MORIOKA ,  Kosuke AIO

IPC: H04W28/06 ,  H04W52/24 ,  H04W74/08

Abstract: [Object] To reduce the frequency of the occurrence of the transmission collision of frames.
[Solution] A communication device, including: a receiving unit configured to receive a frame transmitted by another terminal; a length information acquiring unit configured to acquire length information related to the frame from the received frame; and a transmission frame deciding unit configured to decide a length of a transmission frame on the basis of the acquired length information.

公开(公告)号：US20210044410A1

公开(公告)日：2021-02-11

申请号：US16967736

申请日：2018-12-10

Applicant: Sony Corporation

Inventor： Yuichi MORIOKA

IPC: H04L5/00 ,  H04W4/06 ,  H04L1/18

Abstract: Provided are a communication apparatus and a communication method that enable ACK/NACK (ACKnowledgement/Negative-ACKnowledgement) transmission without complicated connection settings, to thereby realize high-efficiency and high-quality multicast communication.
The communication apparatus includes a communication unit configured to transmit and receive a signal and a control unit configured to control the transmission and reception of the signal. The control unit controls transmission of an induction signal to one or more destination stations to each of which a signal has been transmitted, the induction signal inducing transmission of an ACK/NACK signal with respect to the transmitted signal. The induction signal contains information specifying, of a plurality of continuous frames, frames that are ACK/NACK targets and information associated with a plurality of candidate regions with respect to which the ACK/NACK signal is transmittable.

公开(公告)号：US20200280877A1

公开(公告)日：2020-09-03

申请号：US16650869

申请日：2018-07-17

Applicant: Sony Corporation

Inventor： Yuichi MORIOKA ,  Shigeru SUGAYA ,  Kosuke AIO ,  Ryuichi HIRATA

IPC: H04W28/06 ,  H04W72/04 ,  H04W56/00

Abstract: Provided are a communication apparatus and a communication method for transmitting and receiving wireless packets.A communication apparatus includes: a communication unit configured to transmit and receive a packet in a predetermined occupied band; and a partial band processing unit configured to provide a control signal area including predetermined control information in a part of the occupied band of the packet transmitted from the communication unit. The control information includes a plurality of synchronization signals at defined time intervals, and includes information for a third station that is not a destination of the packet, such as information regarding a NAV, a network identifier for identifying a network to which the communication apparatus belongs, transmission power information of the packet, allowable interference amount information, and remaining time information of the packet.

公开(公告)号：US20200252964A1

公开(公告)日：2020-08-06

申请号：US16854914

申请日：2020-04-22

Applicant: Sony Corporation

Inventor： Shigeru SUGAYA ,  Yuichi MORIOKA ,  Takeshi ITAGAKI

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/08 ,  H04W72/04 ,  H04W84/12

Abstract: [Object] To provide a communication apparatus and a communication method which are capable of suppressing a decrease in communication efficiency in UL communication of a random access scheme.[Solution] Provided is a communication apparatus, including a communication unit configured to transmit a trigger frame including sub area information in which a sub area is specified from a resource area including wireless communication resources selectable as uplink resources and receive a response frame to the trigger frame. Provided is a communication apparatus, including a communication unit configured to receive a trigger frame including sub area information in which a sub area is specified from a resource area including wireless communication resources selectable as uplink resources and transmit a response frame to the trigger frame.

公开(公告)号：US20190090271A1

公开(公告)日：2019-03-21

申请号：US16074161

申请日：2016-12-21

Applicant: SONY CORPORATION

Inventor： Yuichi MORIOKA ,  Shigeru SUGAYA

IPC: H04W74/04 ,  H04W48/06 ,  H04W48/10

Abstract: An information processing apparatus includes a control unit. The control unit controls transmission of an inducement frame for causing another communication device to transmit a transmission suppression period reduction frame for reducing a transmission suppression period. In addition, the control unit controls transmission of the transmission suppression period reduction frame on the basis of the inducement frame in a case where the control unit receives the inducement frame. Transmission suppression periods set in other information processing apparatuses are equally reduced to eliminate inequality in using wireless resources.

公开(公告)号：US20190075517A1

公开(公告)日：2019-03-07

申请号：US16157901

申请日：2018-10-11

Applicant: SONY CORPORATION

Inventor： Brian Alexander MARTIN ,  Hideji WAKABAYASHI ,  Jussi KAHTAVA ,  Yuichi MORIOKA

IPC: H04W52/02 ,  H04W68/02 ,  H04W72/04 ,  H04W40/00 ,  H04L29/06 ,  H04W4/70 ,  H04W76/28 ,  H04W76/27 ,  H04J11/00 ,  H04W64/00 ,  H04W36/30 ,  H04W88/16 ,  H04W88/12

Abstract: A communications device establishes a communications context for communicating data packets using a packet communications bearer from the communications device via mobile communications network in a connected state and releases communications context when in an idle state. A controller is configured in combination with a receiver to receive signalling information providing an indication of one or more functions performed by at least one of the receiver, a transmitter, or the controller which can be changed in a power saving state, and when in either the idle state or the connected state, to enter the power saving state in which the one or more of the operations performed by at least one of the receiver, the transmitter, or the controller are changed in accordance with the indication of the changed functions received in the signalling information from the mobile communications network.

公开(公告)号：US20190029021A1

公开(公告)日：2019-01-24

申请号：US16140143

申请日：2018-09-24

Applicant: SONY CORPORATION

Inventor： Brian Alexander MARTIN ,  Yuichi MORIOKA

IPC: H04W72/04 ,  H04W8/20 ,  H04W4/70 ,  H04W74/06

CPC classification number: H04W72/0453 ,  H04W4/70 ,  H04W8/20 ,  H04W72/0413 ,  H04W72/042 ,  H04W74/06

Abstract: A wireless telecommunications system in which downlink communications are made using a radio interface that spans a system frequency bandwidth (host carrier) and supports at least some communications from a base station to least some terminal devices within a plurality of restricted frequency bands (virtual carriers) which are narrower than and within the system frequency bandwidth. A terminal device conveys an indication of its identity, to the base station during an initial connection procedure as the terminal device seeks to access the radio interface. The terminal device and the base station both determine a selected restricted frequency band from among the plurality of restricted frequency bands based on the identity of the terminal device in the same way. Thus the terminal device and base station select the same restricted frequency band and can accordingly configure their respective transceivers to allow downlink communications between them within the selected restricted frequency band.

公开(公告)号：US20180310307A1

公开(公告)日：2018-10-25

申请号：US16025567

申请日：2018-07-02

Applicant: SONY CORPORATION

Inventor： Matthew William WEBB ,  Hideji WAKABAYASHI ,  Yuichi MORIOKA

IPC: H04W72/04 ,  H04L5/00

Abstract: A communications device transmits and receives data via a wireless access interface in a mobile communications network. First resource allocation messages are received by communications devices to allocate one or more of plural communications resource elements of a host frequency range of a host carrier. Second resource allocation messages are received by reduced capability devices to allocate one or more of a first section of the communications resources within the first frequency range for preferable allocation to the reduced capability devices of a first virtual carrier, the first resource allocation messages identifying one or more of the communications resource of the host carrier allocated to the communications devices with reference to a first reference frequency and the second resource allocation messages identifying one or more communications resources of the first virtual carrier allocated to the reduced capability devices with reference to a second reference frequency within the first virtual carrier.

公开(公告)号：US20180255541A1

公开(公告)日：2018-09-06

申请号：US15966968

申请日：2018-04-30

Applicant: SONY CORPORATION

Inventor： Matthew WEBB ,  Dimitris KOULAKIOTIS ,  Hideji WAKABAYASHI ,  Yuichi MORIOKA ,  Stephen TRUELOVE

IPC: H04W72/04 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04W72/048 ,  H04L1/0046 ,  H04L1/0072 ,  H04L5/0053 ,  H04L5/0064 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/0453

Abstract: A mobile communications network includes one or more network elements providing a wireless access interface for communications devices. The wireless access interface provides plural communications resource elements across a host frequency range of a host carrier. First and second sections of communications resources within respective first and second frequency ranges for preferable allocation to reduced capability devices form respective first and second virtual carriers. Each of the first and second frequency ranges is within the host frequency range, wherein the communications device is configured with a reduced capability to receive the signals only within a frequency bandwidth less than the host frequency range and equal to at least one of the first or second frequency range. The communications device is configured to receive the first signalling data from the control channel and the common system information from the one or more communications resources identified by the first signalling data.

公开(公告)号：US20180199380A1

公开(公告)日：2018-07-12

申请号：US15741602

申请日：2016-06-22

Applicant: SONY CORPORATION

Inventor： Takeshi ITAGAKI ,  Tomoya YAMAURA ,  Yuichi MORIOKA

IPC: H04W74/08 ,  H04B17/318

CPC classification number: H04W74/0825 ,  H04B17/318 ,  H04M11/00 ,  H04W74/0808 ,  H04W74/0816 ,  H04W84/12

Abstract: [Object] To provide a mechanism capable of securing transmission opportunities of a wireless LAN communication device in a situation in which a signal of a format different from a signal of wireless LAN communication is transmitted.[Solution] Provided is a communication device, including: a signal processing unit configured to perform reception determination for a second signal having a different format from a first signal related to communication of a wireless local area network (LAN) standard; a control unit configured to control carrier sense or a communication parameter on a basis of the reception determination for the second signal; and a communication unit configured to perform transmission on a basis of the controlled carrier sense or the controlled communication parameter.