公开(公告)号：US20210014169A1

公开(公告)日：2021-01-14

申请号：US17033947

申请日：2020-09-28

Applicant: Sony Corporation

Inventor： Shigeru SUGAYA ,  Eisuke SAKAI

IPC: H04L12/801 ,  H04W84/12 ,  H04L29/08 ,  H04W28/04 ,  G06F3/06

Abstract: [Object] To provide a technology capable of performing processing on desired data in the reception-side communication device, even in the case in which a sequence number space is shared among a plurality of pieces of data transmitted from the transmission-side communication device.
[Solution] Provided is a transmission control device including: a communication control unit that controls transmission of a plurality of pieces of data including respective sequence numbers; and a data generation unit that generates, as information indicating one or a plurality of pieces of data to be processed in a reception device among the plurality of pieces of data, number information indicating the sequence numbers included in the one or plurality of pieces of data to be processed. The communication control unit controls transmission of the number information to the reception device.

公开(公告)号：US20200153558A1

公开(公告)日：2020-05-14

申请号：US16632392

申请日：2018-05-16

Applicant: Sony Corporation

Inventor： Shigeru SUGAYA ,  Yusuke TANAKA

IPC: H04L1/18 ,  H04W80/02 ,  H04L1/00

Abstract: [Problem to be Solved] It is possible to achieve more appropriate retransmission control in wireless LAN systems.[Solution] There is provided a wireless LAN communication device including: a generator that generates a data frame for which a data unit in which an encoding process is performed and a data unit in which a retransmission process is performed are different from each other; and a transmission section that transmits the data frame. The encoding process makes it possible to determine whether or not decoding is successful.

公开(公告)号：US20190394139A1

公开(公告)日：2019-12-26

申请号：US16553176

申请日：2019-08-28

Applicant: Sony Corporation

Inventor： Shigeru SUGAYA ,  Eisuke SAKAI

IPC: H04L12/801 ,  H04W84/12 ,  G06F3/06

Abstract: [Object] To provide a technology capable of performing processing on desired data in the reception-side communication device, even in the case in which a sequence number space is shared among a plurality of pieces of data transmitted from the transmission-side communication device.[Solution] Provided is a transmission control device including: a communication control unit that controls transmission of a plurality of pieces of data including respective sequence numbers; and a data generation unit that generates, as information indicating one or a plurality of pieces of data to be processed in a reception device among the plurality of pieces of data, number information indicating the sequence numbers included in the one or plurality of pieces of data to be processed. The communication control unit controls transmission of the number information to the reception device.

公开(公告)号：US20190273575A1

公开(公告)日：2019-09-05

申请号：US16349996

申请日：2017-10-05

Applicant: Sony Corporation

Inventor： Shigeru SUGAYA

IPC: H04L1/00 ,  H04L12/24 ,  H04W28/06 ,  H04W72/04 ,  H04L1/16

Abstract: [Object] To enable a communication device which has received a response frame to identify a BSS to which a transmitting device of the response frame belongs while ensuring backward compatibility.[Solution] Provided is a communication device that transmits a response frame, including: a generating unit configured to generate the response frame in which information used for identification of a BSS to which the communication device belongs or information used for identification of an own device is included in or after a padding bit specified in IEEE 802.11; and a transmitting unit configured to transmit the response frame.

公开(公告)号：US20190229876A1

公开(公告)日：2019-07-25

申请号：US16314450

申请日：2017-04-25

Applicant: Sony Corporation

Inventor： Shigeru SUGAYA

IPC: H04L5/00 ,  H04W72/10 ,  H04W72/04

Abstract: A data unit that requires a receipt acknowledgement response in a plurality of transmitted data units is suitably selected.A wireless communication apparatus includes a control unit. The control unit controls transmission of receipt acknowledgement requests for a plurality of transmitted data units. Further, the receipt acknowledgement request whose transmission is controlled by the control unit is a receipt acknowledgement request including information, the information identifying a data unit that requires a receipt acknowledgement response in the plurality of transmitted data units and specifying the identified data unit.

公开(公告)号：US20190116522A1

公开(公告)日：2019-04-18

申请号：US16088887

申请日：2017-02-21

Applicant: SONY CORPORATION

Inventor： Shigeru SUGAYA

IPC: H04W28/06 ,  H04W4/06

Abstract: A communication device, including: a processing unit configured to generate a first protocol data unit (PDU) including first sequence number information specifying a first sequence number of a data unit set for each multicast group, multicast group information specifying a multicast group, and a data unit; and a wireless communication unit configured to transmit the first PDU generated by the processing unit. The communication device provides a mechanism capable of improving efficiency of wireless communication even in a case in which a plurality of types of multicast communication which differ in a multicast group serving as a destination are performed.

公开(公告)号：US20190037575A1

公开(公告)日：2019-01-31

申请号：US16077559

申请日：2017-01-23

Applicant: SONY CORPORATION

Inventor： Shigeru SUGAYA ,  Yuichi MORIOKA ,  Takeshi ITAGAKI

IPC: H04W72/08

Abstract: To provide a mechanism capable of improving the efficiency of communication without disturbing other communication.A wireless communication device includes: a reception unit that receives a signal; and a transmission unit that transmits a signal on a basis of a first threshold value set in association with a second threshold value. The first threshold value includes a detection level related to an electric wave in the wireless communication device, and the second threshold value includes a reception determination level of a signal detected by the wireless communication device, which is set on a basis of transmission power of the wireless communication device.

公开(公告)号：US20180332587A1

公开(公告)日：2018-11-15

申请号：US16024279

申请日：2018-06-29

Applicant: SONY CORPORATION

Inventor： Shigeru SUGAYA

IPC: H04W72/04 ,  H04W8/02 ,  H04B1/40 ,  H04W72/02 ,  H04W48/18 ,  H04W40/24 ,  H04W76/14 ,  H04W8/00 ,  H04L29/06 ,  H04L5/00 ,  H04J11/00 ,  H04W84/18 ,  H04W88/02

CPC classification number: H04W72/0453 ,  H04B1/40 ,  H04J11/00 ,  H04L5/003 ,  H04L69/22 ,  H04W8/005 ,  H04W8/02 ,  H04W40/244 ,  H04W48/18 ,  H04W72/02 ,  H04W76/14 ,  H04W84/18 ,  H04W88/02

Abstract: A wireless communication apparatus is provided that performs wireless communication using a specified wireless channel and forms part of an ad hoc wireless network. The device includes a recording portion that records country ID information and recording-time information in to a storage medium, where the recording-time information indicates the time at which the country ID information was recorded in to the storage medium, a time determination portion that uses the recording-time information to determine whether a predetermined time period has elapsed from the time at which the country ID information was recorded, and a channel setting portion that, when the predetermined time period has not elapsed from the time at which the country ID information was recorded in the storage medium, sets a wireless channel to a frequency channel that can be used in the country indicated by the country ID information recorded in the storage medium.

公开(公告)号：US20180242145A1

公开(公告)日：2018-08-23

申请号：US15751934

申请日：2016-08-02

Applicant: SONY CORPORATION

Inventor： Shigeru SUGAYA

IPC: H04W8/26 ,  H04W28/06 ,  H04W76/11 ,  H04W52/02

CPC classification number: H04W8/26 ,  H04W24/02 ,  H04W28/06 ,  H04W52/02 ,  H04W76/11 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/10 ,  Y02D70/1222 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/164 ,  Y02D70/166 ,  Y02D70/168 ,  Y02D70/20 ,  Y02D70/21

Abstract: [Object] To provide a mechanism capable of suppressing confusion in communication using a local identifier.[Solution] A communication device includes a communication unit configured to receive a first signal addressed to another communication device including first information in which a local identifier which is used in a wireless local area network (LAN) and different from a global identifier is specified and transmit a second signal including second information in which the local identifier specified from the first information included in the received first signal is specified. A communication device includes a communication unit configured to receive a second signal including second information in which a local identifier which is used in a wireless local area network (LAN) and different from a global identifier is specified and transmit a third signal including third information in which the local identifier allocated by the communication device is specified.

公开(公告)号：US20180213433A1

公开(公告)日：2018-07-26

申请号：US15746831

申请日：2016-07-21

Applicant: SONY CORPORATION

Inventor： Shigeru SUGAYA ,  Eisuke SAKAI

IPC: H04W28/02 ,  H04L1/16 ,  H04W48/06 ,  H04W4/06

CPC classification number: H04W28/0236 ,  H04L1/1614 ,  H04L1/165 ,  H04L1/1685 ,  H04L1/1835 ,  H04L1/1854 ,  H04L1/1867 ,  H04L1/1887 ,  H04L2001/0093 ,  H04W4/06 ,  H04W28/0289 ,  H04W28/04 ,  H04W28/10 ,  H04W48/06

Abstract: An information processing device includes a control unit. The control unit performs control to restrict retransmission of data or transmission of a request for an acknowledgment of receipt of the retransmission data, in accordance with the congestion status of a wireless transmission traffic. The control unit also performs control to transfer acquired data to an upper layer in case of having successfully acquired the data up to a predetermined sequence number in multicast data transmitted from another device that restricts retransmission of data in accordance with the congestion status of a wireless transmission traffic. The device can prevent decreases in the total throughput in a network.