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1. 发明申请

US20120039192A1 INTERFERENCE CANCELLATION 审中-公开
标题翻译：干扰消除
公开(公告)号：US20120039192A1
公开(公告)日：2012-02-16
申请号：US13146846
申请日：2009-01-28
申请人： Ying Peng , Simon Armour , Joe McGeehan , Tomoyoshi Yokota , Fangwei Tong
发明人： Ying Peng , Simon Armour , Joe McGeehan , Tomoyoshi Yokota , Fangwei Tong
IPC分类号： H04J1/12
CPC分类号： H04L25/022 , H04L25/03159 , H04L27/2657 , H04L27/2695 , H04L2025/03426
摘要： There is provided a first device for use in a communication system, the communication system further comprising a plurality of second devices, the system having a plurality of orthogonal frequency carriers available for transmissions, each second device having a respective carrier frequency offset estimated from signals received from the first device, each of the second devices transmitting a respective stream of symbols using the respective estimated carrier frequency offset and one or more frequency carriers selected from the plurality of orthogonal frequency carriers, the first device comprising receiver circuitry for receiving respective signals from each of the second devices; a channel estimator for generating, from the received signals, an estimate of the channel over which the signals have been transmitted; an interference estimator for generating, from the received signals, an estimate of interference at the first device caused by errors in the carrier frequency offsets estimated by each second device; and circuitry for equalising the received signals using the estimate of the channel and the estimate of the interference.
摘要翻译：提供了一种在通信系统中使用的第一设备，所述通信系统还包括多个第二设备，所述系统具有可用于传输的多个正交频率载波，每个第二设备具有从接收到的信号估计的相应的载波频率偏移从第一设备，每个第二设备使用相应的估计的载波频率偏移和从多个正交频率载波中选择的一个或多个频率载波来发送相应的符号流，第一设备包括接收机电路，用于从每个的第二设备; 信道估计器，用于从所接收的信号中产生已经发送信号的信道的估计; 干扰估计器，用于从接收到的信号中产生由由每个第二设备估计的载波频率偏移中的误差引起的在第一设备处的干扰的估计; 以及用于使用信道的估计和干扰估计来均衡接收信号的电路。

2. 发明申请

US20110286559A1 INTERFERENCE CANCELLATION 审中-公开
标题翻译：干扰消除
公开(公告)号：US20110286559A1
公开(公告)日：2011-11-24
申请号：US13146818
申请日：2009-01-28
申请人： Ying Peng , Simon Armour , Joe Mcgeehan , Tomoyoshi Yokota , Fangwei Tong
发明人： Ying Peng , Simon Armour , Joe Mcgeehan , Tomoyoshi Yokota , Fangwei Tong
IPC分类号： H04L25/08
CPC分类号： H04L27/2657 , H04L25/022 , H04L25/03159 , H04L27/2695 , H04L2025/03426
摘要： There is provided a first device for use in a communication system, the communication system further comprising a plurality of second devices divided into a plurality of groups, the system having a plurality of orthogonal frequency carriers available for transmissions, each second device having a respective carrier frequency offset estimated from signals received from the first device, each of the second devices transmitting a respective stream of symbols using the respective estimated carrier frequency offset and one or more frequency carriers selected from the plurality of orthogonal frequency carriers, the first device comprising receiver circuitry for receiving respective signals from each of the second devices; a channel estimator for generating, from the received signals, an estimate of the channel over which the signals have been transmitted; an interference estimator for generating, from the received signals, an estimate of interference at the first device caused by errors in the carrier frequency offsets estimated by each second device; first circuitry for cancelling interference in the signals received at the first device using the estimate of the interference, the circuitry being configured to cancel interference between second devices within a first one of the plurality of groups; second circuitry for equalising the signals output from the first circuitry using the estimate of the channel; and third circuitry for cancelling interference in the signals output from the second circuitry, the third circuitry being configured to cancel the interference between second devices in a second one of the plurality of groups.
摘要翻译：提供了一种在通信系统中使用的第一设备，所述通信系统还包括划分成多个组的多个第二设备，所述系统具有可用于传输的多个正交频率载波，每个第二设备具有相应的载波从所述第一设备接收的信号估计的频率偏移，所述第二设备中的每一个使用相应的估计载波频率偏移和从所述多个正交频率载波中选择的一个或多个频率载波来传送相应的符号流，所述第一设备包括接收机电路用于从每个第二设备接收相应的信号; 信道估计器，用于从所接收的信号中产生已经发送信号的信道的估计; 干扰估计器，用于从接收到的信号中产生由由每个第二设备估计的载波频率偏移中的误差引起的在第一设备处的干扰的估计; 第一电路，用于使用所述干扰的估计来消除在所述第一设备处接收的信号的干扰，所述电路被配置为消除所述多个组中的第一组内的第二设备之间的干扰; 第二电路，用于使用所述信道的估计来均衡从所述第一电路输出的信号; 以及用于消除从第二电路输出的信号的干扰的第三电路，所述第三电路被配置为消除所述多个组中的第二组中的第二设备之间的干扰。

3. 发明申请

US20120188989A1 RADIO TERMINAL AND TRANSMISSION RATE PREDICTION METHOD 有权
标题翻译：无线终端和传输速率预测方法
公开(公告)号：US20120188989A1
公开(公告)日：2012-07-26
申请号：US13387708
申请日：2010-07-28
申请人： Tomoyoshi Yokota , Fangwei Tong , Atsushi Yamamoto
发明人： Tomoyoshi Yokota , Fangwei Tong , Atsushi Yamamoto
IPC分类号： H04W72/08 , H04W24/02
CPC分类号： H04L1/0002 , H04L1/0016 , H04L1/0021 , H04L1/1835 , H04L1/1867
摘要： In a radio communication system employing HARQ scheme wherein the maximum number of slots is changed, a radio terminal (1) which calculates a predictive transmission rate being the predictive value of a downlink transmission rate at a future time after the receiving time of a downlink radio signal is provided with a storage unit (15A) which stores in association with a DRC a corrected transmission rate obtained by causing a defined transmission rate being a downlink transmission rate in the case of using all the maximum number of slots to reflect the probability of succeeding in decoding data using only some of the slots, and a calculation unit (142) which predicts the reception quality at the future time on the basis of the reception quality before the receiving time, obtains from the storage unit (15A) the corrected transmission rate associated with the DRC corresponding to the predicted reception quality, and calculates the predictive transmission rate from the obtained corrected transmission rate.
摘要翻译：在采用HARQ方案的无线通信系统中，其中，最大数量的时隙被改变;无线电终端（1），其计算作为下行链路无线电的接收时间之后的下一传输速率的预测值的预测传输速率信号具有存储单元（15A），其与DRC相关联地存储在使用所有最大数量的时隙以反映后续概率的情况下通过使定义的传输速率为下行链路传输速率而获得的校正传输速率在仅使用一些时隙的数据解码数据中，根据接收时间之前的接收质量来预测未来时间的接收质量的计算单元（142）从存储单元（15A）获得校正后的传输速率与对应于预测接收质量的DRC相关联，并且从获得的校正tr计算预测传输速率安排率。

4. 发明授权

US08792460B2 Radio terminal and transmission rate prediction method 有权
标题翻译：无线终端和传输速率预测方法
公开(公告)号：US08792460B2
公开(公告)日：2014-07-29
申请号：US13387708
申请日：2010-07-28
申请人： Tomoyoshi Yokota , Fangwei Tong , Atsushi Yamamoto
发明人： Tomoyoshi Yokota , Fangwei Tong , Atsushi Yamamoto
IPC分类号： H04J3/00
CPC分类号： H04L1/0002 , H04L1/0016 , H04L1/0021 , H04L1/1835 , H04L1/1867
摘要： In a radio communication system employing HARQ scheme wherein the maximum number of slots is changed, a radio terminal (1) which calculates a predictive transmission rate being the predictive value of a downlink transmission rate at a future time after the receiving time of a downlink radio signal is provided with a storage unit (15A) which stores in association with a DRC a corrected transmission rate obtained by causing a defined transmission rate being a downlink transmission rate in the case of using all the maximum number of slots to reflect the probability of succeeding in decoding data using only some of the slots, and a calculation unit (142) which predicts the reception quality at the future time on the basis of the reception quality before the receiving time, obtains from the storage unit (15A) the corrected transmission rate associated with the DRC corresponding to the predicted reception quality, and calculates the predictive transmission rate from the obtained corrected transmission rate.
摘要翻译：在采用HARQ方案的无线通信系统中，其中，最大数量的时隙被改变;无线电终端（1），其计算作为下行链路无线电的接收时间之后的下一传输速率的预测值的预测传输速率信号具有存储单元（15A），其与DRC相关联地存储在使用所有最大数量的时隙以反映后续概率的情况下通过使定义的传输速率为下行链路传输速率而获得的校正传输速率在仅使用一些时隙的数据解码数据中，根据接收时间之前的接收质量来预测未来时间的接收质量的计算单元（142）从存储单元（15A）获得校正后的传输速率与对应于预测接收质量的DRC相关联，并且从获得的校正tr计算预测传输速率安排率。

5. 发明授权

US08527008B2 Wireless communication apparatus and wireless communication method 有权
标题翻译：无线通信装置和无线通信方法
公开(公告)号：US08527008B2
公开(公告)日：2013-09-03
申请号：US12679286
申请日：2008-09-25
申请人： Chiharu Yamazaki , Shigeru Kimura , Fangwei Tong
发明人： Chiharu Yamazaki , Shigeru Kimura , Fangwei Tong
IPC分类号： H04M1/00 , H04L1/02 , H04W4/00
CPC分类号： H04B17/373 , H04B7/0617 , H04B17/21 , H04B17/309
摘要： A wireless communication apparatus 100 according to the present invention is provided with reception channel coefficient calculation units 120-1 to 120-n for calculating reception channel coefficients of respective antennas, transmission channel coefficient calculation units 130-1 to 130-n for calculating transmission channel coefficients of respective antennas by extrapolation based on variations of the reception channel coefficients, absolute value calculation units 140-1 to 140-n for calculating absolute values of the transmission channel coefficients, a threshold calculation unit 150 for calculating a threshold based on the reception channel coefficients, comparison units 160-1 to 160-n for comparing the absolute values and the threshold, and transmission channel coefficient correction units 170-11 to 170-1n, when the absolute values are greater than the threshold, for correcting the transmission channel coefficients so as to match the absolute values to the threshold.
摘要翻译：根据本发明的无线通信装置100设置有用于计算各天线的接收信道系数的接收信道系数计算单元120-1至120-n，用于计算传输信道的传输信道系数计算单元130-1至130-n 基于接收信道系数的变化通过外推的各个天线的系数，用于计算传输信道系数的绝对值的绝对值计算单元140-1至140-n，用于基于接收信道计算阈值的阈值计算单元150 系数，用于比较绝对值和阈值的比较单元160-1至160-n以及当绝对值大于阈值时的传输信道系数校正单元170-11至170-1n，用于校正传输信道系数以便将绝对值与阈值相匹配。

6. 发明申请

US20100135223A1 Wireless Communication Method and Wireless Communication Apparatus 有权
标题翻译：无线通信方法和无线通信设备
公开(公告)号：US20100135223A1
公开(公告)日：2010-06-03
申请号：US12516543
申请日：2007-11-29
申请人： Fangwei Tong
发明人： Fangwei Tong
IPC分类号： H04W72/04
CPC分类号： H04W72/048 , H04W72/046
摘要： When wireless communications are performed with a plurality of wireless stations using a spatial division multiple access scheme, there are included a moving speed grasp step, a priority grasp step, a channel assignment order determination step, a channel assignment order adjustment step for modifying, based on the priority grasped by the priority grasp step, so that the high-priority wireless station is placed high in the channel assignment order and a channel assignment control step for controlling, for the wireless stations after the wireless station to which a channel for frequency division multiple access has been assigned based on the channel assignment order, so that at least a channel for spatial division multiple access which has been spatially divided for the last channel is assigned.
摘要翻译：当使用空分多址方案对多个无线站进行无线通信时，包括移动速度掌握步骤，优先级抓握步骤，信道分配顺序确定步骤，用于修改的信道分配顺序调整步骤根据优先级掌握步骤掌握的优先级，使得高优先级无线站放置在信道分配顺序的高位置，以及信道分配控制步骤，用于对于分频信道的无线站之后的无线站控制已经基于信道分配顺序分配了多个接入，从而分配了用于最后一个信道已被空间划分的至少一个用于空分多址的信道。

7. 发明申请

US20090167311A1 Adaptive Array Wireless Communication Apparatus and Method of Same 有权
标题翻译：自适应阵列无线通信装置及其方法
公开(公告)号：US20090167311A1
公开(公告)日：2009-07-02
申请号：US11912865
申请日：2006-04-27
申请人： Fangwei Tong , Kenta Okino , Shigeru Kimura
发明人： Fangwei Tong , Kenta Okino , Shigeru Kimura
IPC分类号： H01Q3/26 , H04B7/04
CPC分类号： H04B7/0874 , H01Q3/2605
摘要： An adaptive array wireless communication apparatus able to suitably select antenna elements, small in amount of processing, fast in convergence speed, and suitable for transmission/reception, and a method of the same, which controls the directionalities of array antenna elements based on array weights, controls an antenna element selecting unit 23 so that the antenna elements are intermittently determined, and adjusts a period of determination of the antenna elements based on information of the antenna elements determined at a controlling unit 26.
摘要翻译：一种自适应阵列无线通信装置，其能够适当地选择天线元件少，处理量小，收敛速度快，适合于发送/接收，并且其方法基于阵列权重来控制阵列天线元件的方向性控制天线元件选择单元23，使得天线元件被间歇地确定，并且基于在控制单元26确定的天线元件的信息来调整天线元件的确定周期。

8. 发明申请

US20090016243A1 WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD 审中-公开
标题翻译：无线通信设备，无线通信系统和无线通信方法
公开(公告)号：US20090016243A1
公开(公告)日：2009-01-15
申请号：US11909769
申请日：2006-03-29
申请人： Shigeru Kimura , Fangwei Tong
发明人： Shigeru Kimura , Fangwei Tong
IPC分类号： H04J3/00
CPC分类号： H04W72/1263 , H04W16/28 , H04W72/0453
摘要： A wireless communication device for transmitting/receiving data uses a plurality of carrier frequencies in a time division duplex scheme. The wireless communication device includes a scheduler for selecting a slot of at least one carrier frequency for transmission of the data; and transmission data assignment means for assigning the data to the slot of the carrier frequency selected by the scheduler and making a slot of a carrier frequency not selected by the scheduler empty.
摘要翻译：用于发送/接收数据的无线通信设备在时分双工方案中使用多个载波频率。无线通信装置包括：调度器，用于选择用于传输数据的至少一个载波频率的时隙; 以及发送数据分配装置，用于将数据分配给由调度器选择的载波频率的时隙，并使调度器未选择的载波频率的时隙为空。

9. 发明授权

US08358724B2 Radio communication apparatus and control method 有权
标题翻译：无线通信装置及控制方法
公开(公告)号：US08358724B2
公开(公告)日：2013-01-22
申请号：US13059610
申请日：2009-08-21
申请人： Fangwei Tong
发明人： Fangwei Tong
IPC分类号： H04B7/10
CPC分类号： H04B7/0848 , H04L25/03038 , H04L2025/03477 , H04L2025/03745 , H04W52/0225 , H04W52/028 , Y02D70/444
摘要： A radio base station according to the present invention is equipped with a determination unit that compares a first signal quality of a first output signal which is output by an adaptive array antenna and a second signal quality of a second output signal which is output by an adaptive equalizer and determines whether the improvement effect of the second signal quality with respect to the first signal quality is below expectation. When the determination unit determines that the improvement effect is below expectation, a controller stops power supply to the adaptive equalizer and the calculation of an equalization weight by a weight calculator, and outputs the first output signal as the output signal of a receiver.
摘要翻译：根据本发明的无线电基站装备有一个确定单元，该确定单元比较由自适应阵列天线输出的第一输出信号的第一信号质量和由自适应阵列天线输出的第二输出信号的第二信号质量确定第二信号质量相对于第一信号质量的改善效果是否低于期望值。当确定单元确定改进效果低于期望值时，控制器停止通过加权计算器对自适应均衡器的电力供应和均衡权重的计算，并输出第一输出信号作为接收器的输出信号。

10. 发明申请

US20110205940A1 WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD 审中-公开
标题翻译：无线通信设备，无线通信系统和无线通信方法
公开(公告)号：US20110205940A1
公开(公告)日：2011-08-25
申请号：US13095919
申请日：2011-04-28
申请人： Shigeru KIMURA , Fangwei Tong
发明人： Shigeru KIMURA , Fangwei Tong
IPC分类号： H04B7/005
CPC分类号： H04W72/1263 , H04W16/28 , H04W72/0453
摘要： A second wireless communication device transmits a data using a plurality of carrier frequencies to a first wireless communication device which transmits by a beam with directivity. The first wireless communication device forms the beam with directivity in accordance with a wireless propagation path when receiving the data from the second wireless communication device. The second wireless communication device comprises a control unit for controlling the transmission of the data. The control unit selects at least one carrier frequency, controls the transmission of the data so as to transmit the data using the carrier frequency selected, and controls the transmission of the data so as to transmit the data using carrier frequency not selected in an immediately preceding frame when transmitting the data in a next frame.
摘要翻译：第二无线通信设备使用多个载波频率将数据发送到由具有指向性的波束发送的第一无线通信设备。当从第二无线通信设备接收数据时，第一无线通信设备根据无线传播路径形成具有指向性的波束。第二无线通信设备包括用于控制数据传输的控制单元。控制单元选择至少一个载波频率，控制数据的传输，以便使用所选择的载波频率来发送数据，并且控制数据的发送，以便使用在紧接在前的未被选择的载波频率来发送数据在下一帧中发送数据时的帧。

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