公开(公告)号：US20130329717A1

公开(公告)日：2013-12-12

申请号：US13963604

申请日：2013-08-09

Applicant: Sony Corporation

Inventor： Yuichi MORIOKA ,  Kazuyuki Sakoda ,  Shinichi Kuroda ,  Ryo Sawai

IPC: H04W24/02

CPC classification number: H04W74/0816 ,  H04B7/0413 ,  H04L5/0055 ,  H04L27/18 ,  H04L27/20 ,  H04L47/10 ,  H04L47/32 ,  H04L47/35 ,  H04L69/22 ,  H04W24/02 ,  H04W28/18 ,  H04W28/22 ,  H04W74/0833 ,  H04W74/0841 ,  H04W74/085 ,  H04W84/12 ,  H04W88/06

Abstract: Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded.

公开(公告)号：US20130322380A1

公开(公告)日：2013-12-05

申请号：US13959151

申请日：2013-08-05

Applicant: Sony Corporation

Inventor： Shinichi Kuroda

IPC: H04W72/04

CPC classification number: H04L25/0224 ,  H04B7/0413 ,  H04B7/0421 ,  H04B7/0456 ,  H04B7/06 ,  H04B7/0619 ,  H04B7/0665 ,  H04B7/0854 ,  H04B7/0862 ,  H04L1/0656 ,  H04L25/0202 ,  H04L27/12 ,  H04L27/2601 ,  H04L2025/0377 ,  H04W72/0406

Abstract: In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals.

公开(公告)号：US20130242970A1

公开(公告)日：2013-09-19

申请号：US13891570

申请日：2013-05-10

Applicant: SONY CORPORATION

Inventor： Yuichi Morioka ,  Kazuyuki Sakoda ,  Shinichi Kuroda ,  Ryo Sawai

IPC: H04W28/22

CPC classification number: H04W74/0816 ,  H04B7/0413 ,  H04L5/0055 ,  H04L27/18 ,  H04L27/20 ,  H04L47/10 ,  H04L47/32 ,  H04L47/35 ,  H04L69/22 ,  H04W24/02 ,  H04W28/18 ,  H04W28/22 ,  H04W74/0833 ,  H04W74/0841 ,  H04W74/085 ,  H04W84/12 ,  H04W88/06

Abstract: Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded.

公开(公告)号：US10673655B2

公开(公告)日：2020-06-02

申请号：US16449454

申请日：2019-06-24

Applicant: Sony Corporation

Inventor： Shinichi Kuroda ,  Hiroaki Takano

IPC: H04L25/02 ,  H04B7/0417 ,  H04B7/06 ,  H04B7/08 ,  H04L1/06 ,  H04W72/04 ,  H04L27/12 ,  H04B7/0413 ,  H04B7/0456 ,  H04L27/26 ,  H04L25/03

Abstract: In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals.

公开(公告)号：US10440749B2

公开(公告)日：2019-10-08

申请号：US15633805

申请日：2017-06-27

Applicant: Sony Corporation

Inventor： Yuichi Morioka ,  Kazuyuki Sakoda ,  Shinichi Kuroda ,  Ryo Sawai

IPC: H04W74/08 ,  H04L5/00 ,  H04L27/20 ,  H04L12/801 ,  H04W28/18 ,  H04W28/22 ,  H04W88/06 ,  H04W24/02 ,  H04L27/18 ,  H04L12/823 ,  H04L29/06 ,  H04W84/12 ,  H04B7/0413

Abstract: Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded.

公开(公告)号：US20170303315A1

公开(公告)日：2017-10-19

申请号：US15633805

申请日：2017-06-27

Applicant: Sony Corporation

Inventor： Yuichi MORIOKA ,  Kazuyuki Sakoda ,  Shinichi Kuroda ,  Ryo Sawai

IPC: H04W74/08 ,  H04L5/00 ,  H04L27/18 ,  H04L12/823 ,  H04L29/06 ,  H04W28/22 ,  H04W84/12 ,  H04B7/04

CPC classification number: H04W74/0816 ,  H04B7/0413 ,  H04L5/0055 ,  H04L27/18 ,  H04L27/20 ,  H04L47/10 ,  H04L47/32 ,  H04L47/35 ,  H04L69/22 ,  H04W24/02 ,  H04W28/18 ,  H04W28/22 ,  H04W74/0833 ,  H04W74/0841 ,  H04W74/085 ,  H04W84/12 ,  H04W88/06

Abstract: Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded.

公开(公告)号：US20140185703A1

公开(公告)日：2014-07-03

申请号：US14200803

申请日：2014-03-07

Applicant: SONY CORPORATION

Inventor： Shinichi Kuroda

IPC: H04L27/12

CPC classification number: H04L25/0224 ,  H04B7/0413 ,  H04B7/0421 ,  H04B7/0456 ,  H04B7/06 ,  H04B7/0619 ,  H04B7/0665 ,  H04B7/0854 ,  H04B7/0862 ,  H04L1/0656 ,  H04L25/0202 ,  H04L27/12 ,  H04L27/2601 ,  H04L2025/0377 ,  H04W72/0406

Abstract: In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals.

Abstract translation: 在执行SVD-MIMO传输时，简化了建立过程，同时确保了具有减少数量的天线的令人满意的解码能力。 发射机基于从接收机发送的参考信号估计信道信息，基于信道信息确定发射天线加权系数矩阵，计算要分配给复用信号的每个分量的权重，并向接收机发送训练 对于各个信号分量的信号，训练信号由所计算的权重加权。 另一方面，接收机基于接收到的训练信号来确定接收天线加权系数矩阵。

公开(公告)号：US20130322420A1

公开(公告)日：2013-12-05

申请号：US13963524

申请日：2013-08-09

Applicant: Sony Corporation

Inventor： Yuichi MORIOKA ,  Kazuyuki Sakoda ,  Shinichi Kuroda ,  Ryo Sawai

IPC: H04W28/04

CPC classification number: H04W74/0816 ,  H04B7/0413 ,  H04L5/0055 ,  H04L27/18 ,  H04L27/20 ,  H04L47/10 ,  H04L47/32 ,  H04L47/35 ,  H04L69/22 ,  H04W24/02 ,  H04W28/18 ,  H04W28/22 ,  H04W74/0833 ,  H04W74/0841 ,  H04W74/085 ,  H04W84/12 ,  H04W88/06

Abstract: Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded.

公开(公告)号：US10361888B2

公开(公告)日：2019-07-23

申请号：US14692211

申请日：2015-04-21

Applicant: Sony Corporation

Inventor： Shinichi Kuroda ,  Hiroaki Takano

IPC: H04B7/06 ,  H04B7/08 ,  H04L25/02 ,  H04L25/03 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0417 ,  H04L1/06 ,  H04W72/04 ,  H04L27/12 ,  H04L27/26

Abstract: In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals.

公开(公告)号：US20170104612A1

公开(公告)日：2017-04-13

申请号：US15385969

申请日：2016-12-21

Applicant: Sony Corporation

Inventor： Shinichi Kuroda

IPC: H04L25/02 ,  H04B7/06 ,  H04B7/04

CPC classification number: H04L25/0224 ,  H04B7/0413 ,  H04B7/0421 ,  H04B7/0456 ,  H04B7/06 ,  H04B7/0619 ,  H04B7/0665 ,  H04B7/0854 ,  H04B7/0862 ,  H04L1/0656 ,  H04L25/0202 ,  H04L27/12 ,  H04L27/2601 ,  H04L2025/0377 ,  H04W72/0406

Abstract: In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals.