专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20100291877A1 WIRELESS COMMUNICATION SYSTEM, INTERFERENCE CANCELLING STATION, AND INTERFERENCE CANCELLING METHOD 有权
标题翻译：无线通信系统，干扰取消站和干扰消除方法
公开(公告)号：US20100291877A1
公开(公告)日：2010-11-18
申请号：US12812102
申请日：2009-02-05
申请人： Jun Mashino , Takatoshi Sugiyama , Kentaro Nishimori , Kengo Nagata , Yusuke Asai
发明人： Jun Mashino , Takatoshi Sugiyama , Kentaro Nishimori , Kengo Nagata , Yusuke Asai
IPC分类号： H04B15/00
CPC分类号： H04W24/02 , H04B1/7103 , H04W16/14
摘要： An interference cancelling station ICS includes a transmission weight factor calculating unit calculating a transmission weight factor w2 and an interference cancelling data signal transmitting unit generating an interference cancelling data signal by multiplying, by the transmission weight factor w2, a data signal transmitted by a base station BSb of the wireless communication system B and transmitting the interference cancelling data signal in synchronization with timing with which the base station BSb of a wireless communication system B transmits the data signal, and a mobile station MSa of a wireless communication system A receives a data signal transmitted by a base station BSa of the wireless communication system A, the data signal having cancelled interference from the base station BSb of the wireless communication system B.
摘要翻译：干扰消除台ICS包括发送权重因子计算单元，其计算发送权重因子w2，以及干扰消除数据信号发送单元，其通过以发送权重因子w2乘以由基站发送的数据信号来生成干扰消除数据信号无线通信系统B的BSb，与无线通信系统B的基站BSb发送数据信号的定时同步地发送干扰消除数据信号，无线通信系统A的移动台MSa接收数据信号由无线通信系统A的基站BSa发送的数据信号具有来自无线通信系统B的基站BSb的干扰。

2. 发明授权

US08369789B2 Wireless communication system, interference cancelling station, and interference cancelling method 有权
标题翻译：无线通信系统，干扰消除台和干扰消除方法
公开(公告)号：US08369789B2
公开(公告)日：2013-02-05
申请号：US12812102
申请日：2009-02-05
申请人： Jun Mashino , Takatoshi Sugiyama , Kentaro Nishimori , Kengo Nagata , Yusuke Asai
发明人： Jun Mashino , Takatoshi Sugiyama , Kentaro Nishimori , Kengo Nagata , Yusuke Asai
IPC分类号： H04B1/00 , H04B15/00
CPC分类号： H04W24/02 , H04B1/7103 , H04W16/14
摘要： An interference cancelling station ICS includes a transmission weight factor calculating unit calculating a transmission weight factor w2 and an interference cancelling data signal transmitting unit generating an interference cancelling data signal by multiplying, by the transmission weight factor w2, a data signal transmitted by a base station BSb of the wireless communication system B and transmitting the interference cancelling data signal in synchronization with timing with which the base station BSb of a wireless communication system B transmits the data signal, and a mobile station MSa of a wireless communication system A receives a data signal transmitted by a base station BSa of the wireless communication system A, the data signal having cancelled interference from the base station BSb of the wireless communication system B.
摘要翻译：干扰消除台ICS包括发送权重因子计算单元，其计算发送权重因子w2，以及干扰消除数据信号发送单元，其通过以发送权重因子w2乘以由基站发送的数据信号来生成干扰消除数据信号无线通信系统B的BSb，与无线通信系统B的基站BSb发送数据信号的定时同步地发送干扰消除数据信号，无线通信系统A的移动台MSa接收数据信号由无线通信系统A的基站BSa发送的数据信号具有来自无线通信系统B的基站BSb的干扰。

3. 发明申请

US20120239997A1 WIRELESS COMMUNICATION SYSTEM, WIRELESS RELAY STATION APPARATUS, WIRELESS TERMINAL STATION APPARATUS, AND WIRELESS COMMUNICATION METHOD 有权
标题翻译：无线通信系统，无线中继站设备，无线终端设备和无线通信方法
公开(公告)号：US20120239997A1
公开(公告)日：2012-09-20
申请号：US13498968
申请日：2010-09-29
申请人： Nobuaki Otsuki , Yusuke Asai , Takatoshi Sugiyama
发明人： Nobuaki Otsuki , Yusuke Asai , Takatoshi Sugiyama
IPC分类号： H03M13/00 , H04W28/04
CPC分类号： H04B7/15521 , H04L1/0009 , H04L1/0076 , H04L2001/0097
摘要： Provided is a wireless communication system employing network coding which can set transmission quality for each destination of packets and improve throughput. The wireless communication system is provided with a wireless relay station apparatus and wireless terminal station apparatuses. The wireless relay station apparatus selects coding rates to be used for a first packet and a second packet in accordance with communication quality required for the first packet and the second packet, generates error correction encoded packets having the same data length from the first packet and the second packet using the selected coding rates, performs network encoding on the error correction encoded first and second packets to generate a network encoded packet, and transmits the generated network encoded packet. The wireless terminal station apparatus performs error correction encoding on a third packet equal to one of the first and second packets, performs network decoding on a received network encoded packet using the error correction encoded third packet to generate a decoded packet, and performs error correction decoding.
摘要翻译：提供一种采用网络编码的无线通信系统，其可以为分组的每个目的地设置传输质量并提高吞吐量。无线通信系统具备无线中继站装置和无线终端装置。无线中继站装置根据第一分组和第二分组所需的通信质量选择要用于第一分组和第二分组的编码率，从第一分组生成具有相同数据长度的纠错编码分组，使用所选择的编码率的第二分组，对纠错编码的第一和第二分组执行网络编码，以生成网络编码分组，并发送生成的网络编码分组。无线终端装置对与第一和第二分组之一相等的第三分组进行纠错编码，使用纠错编码的第三分组对接收到的网络编码分组进行网络解码，生成解码分组，进行纠错解码。

4. 发明授权

US08914714B2 Wireless communication system, wireless relay station apparatus, wireless terminal station apparatus, and wireless communication method 有权
标题翻译：无线通信系统，无线中继站装置，无线终端装置以及无线通信方式
公开(公告)号：US08914714B2
公开(公告)日：2014-12-16
申请号：US13498968
申请日：2010-09-29
申请人： Nobuaki Otsuki , Yusuke Asai , Takatoshi Sugiyama
发明人： Nobuaki Otsuki , Yusuke Asai , Takatoshi Sugiyama
IPC分类号： H03M13/00 , H04L1/00 , H04B7/155
CPC分类号： H04B7/15521 , H04L1/0009 , H04L1/0076 , H04L2001/0097
摘要： Provided is a wireless communication system employing network coding which can set transmission quality for each destination of packets and improve throughput. The wireless communication system is provided with a wireless relay station apparatus and wireless terminal station apparatuses. The wireless relay station apparatus selects coding rates to be used for a first packet and a second packet in accordance with communication quality required for the first packet and the second packet, generates error correction encoded packets having the same data length from the first packet and the second packet using the selected coding rates, performs network encoding on the error correction encoded first and second packets to generate a network encoded packet, and transmits the generated network encoded packet. The wireless terminal station apparatus performs error correction encoding on a third packet equal to one of the first and second packets, performs network decoding on a received network encoded packet using the error correction encoded third packet to generate a decoded packet, and performs error correction decoding.
摘要翻译：提供一种采用网络编码的无线通信系统，其可以为分组的每个目的地设置传输质量并提高吞吐量。无线通信系统具备无线中继站装置和无线终端装置。无线中继站装置根据第一分组和第二分组所需的通信质量选择要用于第一分组和第二分组的编码率，从第一分组生成具有相同数据长度的纠错编码分组，使用所选择的编码率的第二分组，对纠错编码的第一和第二分组执行网络编码，以生成网络编码分组，并发送生成的网络编码分组。无线终端装置对与第一和第二分组之一相等的第三分组进行纠错编码，使用纠错编码的第三分组对接收的网络编码分组进行网络解码，生成解码分组，进行纠错解码。

5. 发明授权

US07463577B2 OFDM communication method and OFDM communication device 有权
标题翻译： OFDM通信方法和OFDM通信设备
公开(公告)号：US07463577B2
公开(公告)日：2008-12-09
申请号：US10488610
申请日：2003-04-09
申请人： Hiroaki Sudo , Takatoshi Sugiyama , Yusuke Asai
发明人： Hiroaki Sudo , Takatoshi Sugiyama , Yusuke Asai
IPC分类号： H04J11/00 , H04J1/00 , H04Q7/00
CPC分类号： H04L5/0048 , H04L1/06 , H04L5/0023 , H04L5/0028 , H04L5/006 , H04L5/0082 , H04L5/0085 , H04L25/0232 , H04L25/0244
摘要： When OFDM signals are transmitted from a plurality of antennas, a pilot carrier is transmitted from one antenna among the plurality of antennas, and a null signal is transmitted from an antenna other than that antenna by a subcarrier of the frequency band that transmits the pilot carrier.
摘要翻译：当从多个天线发送OFDM信号时，从多个天线中的一个天线发送导频载波，并且通过发送导频载波的频带的副载波从除天线之外的天线发送空信号。

6. 发明授权

US07242720B2 OFDM signal communication system, OFDM signal transmitting device and OFDM signal receiving device 有权
标题翻译： OFDM信号通信系统，OFDM信号发送装置和OFDM信号接收装置
公开(公告)号：US07242720B2
公开(公告)日：2007-07-10
申请号：US10117390
申请日：2002-04-05
申请人： Takatoshi Sugiyama , Yusuke Asai , Satoshi Kurosaki , Masahiro Umehira , Daisei Uchida , Yasuo Suzuki
发明人： Takatoshi Sugiyama , Yusuke Asai , Satoshi Kurosaki , Masahiro Umehira , Daisei Uchida , Yasuo Suzuki
IPC分类号： H04K1/10 , H04B7/02
CPC分类号： H04L27/2662 , H04L1/06 , H04L27/2602 , H04L27/2637 , H04L27/2657 , H04L27/2679 , H04L2027/0026 , H04L2027/0087
摘要： An OFDM signal communication system used in broadband mobile communication, achieves stable operation under severe frequency selective fading environments, giving high quality. The OFDM signal communication system which transmits OFDM signals over the same radio frequency from N transmitting antennas, has an inverse matrix computer for computing an N×N inverse matrix constituted by propagation coefficients for respective propagation paths between each of N transmitting antennas and each of N receiving antennas, and a subcarrier demodulator which separates the signals of the respective propagation paths, based on the obtained inverse matrix.
摘要翻译：宽带移动通信中使用的OFDM信号通信系统，在严重频率选择性衰落环境下实现稳定运行，提供高质量。从N个发射天线在相同射频上发送OFDM信号的OFDM信号通信系统具有逆矩阵计算机，用于计算由N个发射天线和N个接收天线中的每一个之间的各个传播路径的传播系数构成的N×N逆矩阵以及基于所获得的逆矩阵来分离各个传播路径的信号的副载波解调器。

7. 发明授权

US08891555B2 Spatial multiplexing wireless transmission system, spatial multiplexing wireless transmission method and computer program 有权
标题翻译：空间复用无线传输系统，空间复用无线传输方法和计算机程序
公开(公告)号：US08891555B2
公开(公告)日：2014-11-18
申请号：US13579220
申请日：2011-02-24
申请人： Koichi Ishihara , Yasushi Takatori , Yusuke Asai , Riichi Kudo , Wenjie Jiang , Tomoyuki Yamada , Masato Mizoguchi
发明人： Koichi Ishihara , Yasushi Takatori , Yusuke Asai , Riichi Kudo , Wenjie Jiang , Tomoyuki Yamada , Masato Mizoguchi
IPC分类号： H04J3/24 , H04B7/06 , H04B7/08 , H04B7/04 , H04B7/10
CPC分类号： H04B7/0691 , H04B7/0452 , H04B7/0834 , H04B7/0874 , H04B7/0877 , H04B7/10
摘要： A spatial multiplexing wireless transmission system is formed by a base station, and by a plurality of terminal stations that are provided with a plurality of antennas. The base station is provided with an information signal generating portion, a control signal generating portion, a transmission frame generating portion, a multiple beamforming portion, a transmission/reception switching portion, a reception signal processing portion, a propagation environment estimating portion, and an antenna information generating portion. At least one of the terminal stations is provided with a transmission/reception switching portion, a reception signal processing portion, a decoding portion, an antenna information extracting portion, an antenna information generating portion, an transmitting portion, a battery, a remaining battery detecting portion, a transmission request extracting portion, and a propagation environment estimating portion.
摘要翻译：空间复用无线传输系统由基站和多个设置有多个天线的终端站形成。基站设置有信息信号生成部，控制信号生成部，发送帧生成部，多波束形成部，发送接收切换部，接收信号处理部，传播环境估计部以及天线信息生成部。至少一个终端站设置有发送/接收转换部分，接收信号处理部分，解码部分，天线信息提取部分，天线信息产生部分，发送部分，电池，剩余电池检测传输请求提取部分和传播环境估计部分。

8. 发明授权

US09253762B2 Wireless communication system and access point apparatus 有权
标题翻译：无线通信系统和接入点设备
公开(公告)号：US09253762B2
公开(公告)日：2016-02-02
申请号：US14113319
申请日：2012-04-25
申请人： Yusuke Asai , Riichi Kudo , Takeo Ichikawa , Yasuhiko Inoue , Hirantha Sithira Abeysekera , Masato Mizoguchi
发明人： Yusuke Asai , Riichi Kudo , Takeo Ichikawa , Yasuhiko Inoue , Hirantha Sithira Abeysekera , Masato Mizoguchi
IPC分类号： H04W72/04 , H04W24/02 , H04L29/12 , H04W8/18 , H04L1/00 , H04L12/18 , H04W52/00 , H04W76/00 , H04B7/04 , H04W88/08 , H04W76/02
CPC分类号： H04W72/04 , H04B7/0452 , H04L1/00 , H04L12/18 , H04L12/185 , H04L61/2046 , H04L61/2069 , H04W8/186 , H04W24/02 , H04W52/00 , H04W76/11 , H04W76/40 , H04W88/08
摘要： In a system which performs wireless communication from an access point to stations using group identification information, the frequency of uses of group identification information that overlaps with that of another access point is reduced. An association between a station apparatus included in a group that is a target for simultaneous transmission and group identification information is stored, each station apparatus included in the group is notified of the group identification information, group identification information that is being used in the other access point apparatus is acquired, and if group identification information that is being used by the access point apparatus itself overlaps with the group identification information used by the other access point apparatus, the group identification information is changed so as to reduce the number of pieces of overlapping group identification information.
摘要翻译：在使用组识别信息执行从接入点到站的无线通信的系统中，减少与另一个接入点重叠的组识别信息的使用频率。存储包括在作为用于同时发送的目标的组中的站装置与组标识信息之间的关联，向组中包括的每个站装置通知组标识信息，正在其他访问中使用的组标识信息并且如果由接入点设备本身正在使用的组识别信息与由另一个接入点设备使用的组识别信息重叠，则组识别信息被改变以便减少重叠的数量组识别信息。

9. 发明授权

US08897163B2 Wireless communication method, base station, wireless communication system, and communication apparatus 有权
标题翻译：无线通信方式，基站，无线通信系统和通信装置
公开(公告)号：US08897163B2
公开(公告)日：2014-11-25
申请号：US13583340
申请日：2011-03-10
申请人： Tomoki Murakami , Riichi Kudo , Takeo Ichikawa , Yasushi Takatori , Munehiro Matsui , Yusuke Asai , Masato Mizoguchi
发明人： Tomoki Murakami , Riichi Kudo , Takeo Ichikawa , Yasushi Takatori , Munehiro Matsui , Yusuke Asai , Masato Mizoguchi
IPC分类号： G01R31/08 , H04B5/00 , H04B7/04 , H04W72/08 , H04B17/00 , H04W52/24 , H04W72/04
CPC分类号： H04W72/082 , H04B5/00 , H04B7/0452 , H04B17/345 , H04L5/0055 , H04W52/243 , H04W72/0453
摘要： Provided are a wireless communication method, a base station, a wireless communication system and a communication apparatus whereby an interference power is calculated from an estimated propagation channel estimation result and the transmission power is controlled based on the interference power or the interference is suppressed by controlling the directivity, thereby increasing the transmission capacity. A propagation channel estimation circuit performs propagation channel estimation from a response signal transmitted from a terminal station and estimates a propagation channel estimation result. An interference power calculation circuit measures each interference power from a signal of each sub-carrier received by each of wireless units, and calculates an interference power for each sub-carrier from the propagation channel estimation result estimated by the propagation channel estimation circuit. When the calculated interference power is equal to or more than a predetermined threshold, an interference suppression signal generation circuit changes the transmission power and generates an interference suppression signal.
摘要翻译：提供了一种无线通信方法，基站，无线通信系统和通信装置，由此根据估计的传播路径估计结果计算干扰功率，并且基于干扰功率来控制发送功率，或者通过控制来抑制干扰方向性，从而增加传输能力。传播路径估计电路根据从终端发送的响应信号进行传播路径估计，并估计传播路径估计结果。干扰功率计算电路根据由每个无线单元接收的每个子载波的信号来测量每个干扰功率，并且根据由传播信道估计电路估计的传播路径估计结果来计算每个副载波的干扰功率。当所计算的干扰功率等于或大于预定阈值时，干扰抑制信号产生电路改变发射功率并产生干扰抑制信号。

10. 发明申请

US20140050178A1 WIRELESS COMMUNICATION SYSTEM AND ACCESS POINT APPARATUS 有权
标题翻译：无线通信系统和接入点设备
公开(公告)号：US20140050178A1
公开(公告)日：2014-02-20
申请号：US14113319
申请日：2012-04-26
申请人： Yusuke Asai , Riichi Kudo , Takeo Ichikawa , Yasuhiko Inoue , Hirantha Sithira Abeysekera , Masato Mizoguchi
发明人： Yusuke Asai , Riichi Kudo , Takeo Ichikawa , Yasuhiko Inoue , Hirantha Sithira Abeysekera , Masato Mizoguchi
IPC分类号： H04W72/04
CPC分类号： H04W72/04 , H04B7/0452 , H04L1/00 , H04L12/18 , H04L12/185 , H04L61/2046 , H04L61/2069 , H04W8/186 , H04W24/02 , H04W52/00 , H04W76/11 , H04W76/40 , H04W88/08
摘要： In a system which performs wireless communication from an access point to stations using group identification information, the frequency of uses of group identification information that overlaps with that of another access point is reduced. An association between a station apparatus included in a group that is a target for simultaneous transmission and group identification information is stored, each station apparatus included in the group is notified of the group identification information, group identification information that is being used in the other access point apparatus is acquired, and if group identification information that is being used by the access point apparatus itself overlaps with the group identification information used by the other access point apparatus, the group identification information is changed so as to reduce the number of pieces of overlapping group identification information.
摘要翻译：在使用组识别信息执行从接入点到站的无线通信的系统中，减少与另一个接入点重叠的组识别信息的使用频率。存储包括在作为用于同时发送的目标的组中的站装置与组标识信息之间的关联，向组中包括的每个站装置通知组标识信息，正在其他访问中使用的组标识信息并且如果由接入点设备本身正在使用的组识别信息与由另一个接入点设备使用的组识别信息重叠，则组识别信息被改变以便减少重叠的数量组识别信息。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式