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    • 2. 发明申请
    • RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION SYSTEM
    • 无线电通信设备和无线电通信系统
    • US20110170425A1
    • 2011-07-14
    • US12993595
    • 2009-05-13
    • Ayako HoriuchiSeigo NakaoKenichi MiyoshiKatsuhiko HiramatsuHiroaki Morino
    • Ayako HoriuchiSeigo NakaoKenichi MiyoshiKatsuhiko HiramatsuHiroaki Morino
    • H04L12/26H04J3/08
    • H04L1/1867H04B7/026H04B7/155H04B7/15592H04L2001/0097H04W40/22H04W72/08H04W84/047
    • Disclosed is a radio communication device capable of improving the usage efficiency of resources in multi-stage relay to reduce the amount of delay of a relay signal and improving the reception quality of signals by a relay station or a base station. A transmission determining unit 16 determines whether to transmit the relay signal and whether to transmit ACK/NACK on the basis of whether there is an error in the relay signal, and on the basis of ACK/NACK received from a one-hop-downstream radio communication device. An MCS determining unit 17 provided in the transmission determining unit 16 determines an MCS for the relay signal. A transmission instruction generated by the transmission determining unit 16 is output to a buffer 11 and an ACK/NACK generating unit 19. The determined MCS is output to an error correction coding unit 12 and a modulation unit 13. The ACK/NACK generating unit 19 generates ACK when there is no error in the relay signal, and generates NACK when there is an error in the relay signal.
    • 公开了能够提高多级继电器中的资源的使用效率的无线通信装置,以减少中继信号的延迟量,并且提高中继站或基站对信号的接收质量。 传输确定单元16基于中继信号中是否存在错误,并且基于从一跳下行无线电接收的ACK / NACK来确定是否发送中继信号以及是否发送ACK / NACK 通讯装置 设在发送判定部16中的MCS判定部17判定为继电器信号的MCS。 由发送确定单元16产生的发送指令被输出到缓冲器11和ACK / NACK生成单元19.所确定的MCS被输出到纠错编码单元12和调制单元13. ACK / NACK生成单元19 当继电器信号没有错误时,产生ACK,当继电器信号发生错误时,产生NACK。
    • 4. 发明授权
    • Communication terminal apparatus and base station apparatus
    • 通信终端装置和基站装置
    • US07761113B2
    • 2010-07-20
    • US12132992
    • 2008-06-04
    • Kenichi MiyoshiTakahisa AoyamaToyoki UeOsamu KatoKatsuhiko HiramatsuAtsushi Sumasu
    • Kenichi MiyoshiTakahisa AoyamaToyoki UeOsamu KatoKatsuhiko HiramatsuAtsushi Sumasu
    • H04B7/00
    • H04W52/265H04W52/24H04W52/241H04W52/246H04W52/262H04W52/267H04W52/367
    • An allocation section 101 in a base station apparatus of the present invention sets the transmission rate of a transmit signal for a communication terminal apparatus based on a DRC signal transmitted from that communication terminal apparatus. A power margin information detector 117 detects power margin information from a demodulated signal generated by a demodulator 115, and, using that power margin information, a power setting section 118 makes a setting so as to give the minimum transmission power value at which received signal characteristics in each communication terminal apparatus meet the desired quality. Using the set transmission power value, the base station apparatus transmits a transmit signal of the set transmission rate to a communication terminal apparatus. By this means it is possible to suppress interference to a communication terminal apparatus that performs adaptive modulation communication with another base station apparatus and a communication terminal apparatus that performs adaptive modulation communication with the local base station apparatus at the same time.
    • 本发明的基站装置中的分配部101基于从该通信终端装置发送的DRC信号来设定通信终端装置的发送信号的发送速度。 功率余量信息检测器117从解调器115产生的解调信号中检测功率余量信息,并且使用该功率余量信息,功率设定部118进行设定,以便给出接收信号特性 在每个通信终端设备中满足期望的质量。 使用设定的发送功率值,基站装置向通信终端装置发送所设定的发送速率的发送信号。 通过这种方式,可以抑制对与本地基站装置同时执行自适应调制通信的另一基站装置和通信终端装置进行自适应调制通信的通信终端装置的干扰。
    • 6. 发明申请
    • RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION DEVICE, AND CHANNEL CORRELATION MATRIX DECISION METHOD
    • 无线电通信系统,无线电通信设备和信道相关矩阵决策方法
    • US20090185634A1
    • 2009-07-23
    • US12280677
    • 2007-02-28
    • Masayuki HoshinoKenichi MiyoshiYasuaki YudaKatsuhiko HiramatsuRyohei Kimura
    • Masayuki HoshinoKenichi MiyoshiYasuaki YudaKatsuhiko HiramatsuRyohei Kimura
    • H04B7/02H04L27/06
    • H04B7/0626H04B7/0417H04B7/0434H04B7/063H04B7/0689
    • It is possible to prevent lowering of a throughput of a radio communication system even when propagation path environments of an uplink line and downlink line are asymmetric. A maximum proper value calculation unit (115) calculates a maximum proper value from a channel matrix. A maximum proper value comparison unit (116) compares the maximum proper value with a maximum proper value of the downlink line reported separately from a base station. According to the comparison result obtained by the maximum proper value comparison unit (116), a proper mode initiative instruction unit (117) decides to pass the proper mode initiative to a communication partner or to the local device. When the initiative is to be passed to the local device, this fact is reported to a proper bam correction unit (118). When the proper beam correction unit (118) gets the proper mode initiative, the proper beam correction unit (118) corrects the correlation matrix by using the proper values of both of the downlink line and the uplink line and instructs a directivity forming unit (103) to form a proper beam according to the correlation matrix after the correction.
    • 即使上行链路和下行链路的传播路径环境不对称,也可以防止无线通信系统的吞吐量的降低。 最大适当值计算单元(115)从信道矩阵计算最大适当值。 最大适当值比较单元(116)将最大适当值与从基站分开报告的下行线路的最大适当值进行比较。 根据由最大适当值比较单元(116)获得的比较结果,正确的模式主动指示单元(117)决定将适当的模式主动通过通信对方或本地设备。 当该举措传递给本地设备时,这一事实报告给适当的巴姆纠正单位(118)。 当正确的光束校正单元(118)获得适当的模式主动时,适当的光束校正单元(118)通过使用下行链路线路和上行链路线路的适当值来校正相关矩阵,并且指示方向性形成单元(103 )根据校正后的相关矩阵形成适当的波束。
    • 7. 发明授权
    • Communication terminal apparatus and base station apparatus
    • 通信终端装置和基站装置
    • US07460880B2
    • 2008-12-02
    • US11341430
    • 2006-01-30
    • Kenichi MiyoshiTakahisa AoyamaToyoki UeOsamu KatoKatsuhiko HiramatsuAtsushi Sumasu
    • Kenichi MiyoshiTakahisa AoyamaToyoki UeOsamu KatoKatsuhiko HiramatsuAtsushi Sumasu
    • H04B7/00
    • H04W52/265H04W52/24H04W52/241H04W52/246H04W52/262H04W52/267H04W52/367
    • An allocation section 101 in a base station apparatus of the present invention sets the transmission rate of a transmit signal for a communication terminal apparatus based on a DRC signal transmitted from that communication terminal apparatus. A power margin information detector 117 detects power margin information from a demodulated signal generated by a demodulator 115, and, using that power margin information, a power setting section 118 makes a setting so as to give the minimum transmission power value at which received signal characteristics in each communication terminal apparatus meet the desired quality. Using the set transmission power value, the base station apparatus transmits a transmit signal of the set transmission rate to a communication terminal apparatus. By this means it is possible to suppress interference to a communication terminal apparatus that performs adaptive modulation communication with another base station apparatus and a communication terminal apparatus that performs adaptive modulation communication with the local base station apparatus at the same time.
    • 本发明的基站装置中的分配部101基于从该通信终端装置发送的DRC信号来设定通信终端装置的发送信号的发送速度。 功率余量信息检测器117从解调器115产生的解调信号中检测功率余量信息,并且使用该功率余量信息,功率设定部118进行设定,以便给出接收信号特性 在每个通信终端设备中满足期望的质量。 使用设定的发送功率值,基站装置向通信终端装置发送所设定的发送速率的发送信号。 通过这种方式,可以抑制对与本地基站装置同时执行自适应调制通信的另一基站装置和通信终端装置进行自适应调制通信的通信终端装置的干扰。
    • 9. 发明授权
    • Radio communication device and radio communication system
    • 无线电通信设备和无线电通信系统
    • US08743769B2
    • 2014-06-03
    • US12993595
    • 2009-05-13
    • Ayako HoriuchiSeigo NakaoKenichi MiyoshiKatsuhiko HiramatsuHiroaki Morino
    • Ayako HoriuchiSeigo NakaoKenichi MiyoshiKatsuhiko HiramatsuHiroaki Morino
    • H04B7/14
    • H04L1/1867H04B7/026H04B7/155H04B7/15592H04L2001/0097H04W40/22H04W72/08H04W84/047
    • Disclosed is a radio communication device capable of improving the usage efficiency of resources in multi-stage relay to reduce the amount of delay of a relay signal and improving the reception quality of signals by a relay station or a base station. A transmission determining unit 16 determines whether to transmit the relay signal and whether to transmit ACK/NACK on the basis of whether there is an error in the relay signal, and on the basis of ACK/NACK received from a one-hop-downstream radio communication device. An MCS determining unit 17 provided in the transmission determining unit 16 determines an MCS for the relay signal. A transmission instruction generated by the transmission determining unit 16 is output to a buffer 11 and an ACK/NACK generating unit 19. The determined MCS is output to an error correction coding unit 12 and a modulation unit 13. The ACK/NACK generating unit 19 generates ACK when there is no error in the relay signal, and generates NACK when there is an error in the relay signal.
    • 公开了能够提高多级继电器中的资源的使用效率的无线通信装置,以减少中继信号的延迟量,并且提高中继站或基站对信号的接收质量。 传输确定单元16基于中继信号中是否存在错误,并且基于从一跳下行无线电接收的ACK / NACK来确定是否发送中继信号以及是否发送ACK / NACK 通讯装置 设在发送判定部16中的MCS判定部17判定为继电器信号的MCS。 由发送确定单元16产生的发送指令被输出到缓冲器11和ACK / NACK生成单元19.所确定的MCS被输出到纠错编码单元12和调制单元13. ACK / NACK生成单元19 当继电器信号没有错误时,产生ACK,当继电器信号发生错误时,产生NACK。
    • 10. 发明授权
    • Relay station, mobile station, and relay transmission method in mobile communication system
    • 移动通信系统中的中继站,移动台和中继传输方式
    • US08265551B2
    • 2012-09-11
    • US12669148
    • 2008-07-18
    • Yoshiko SaitoTakashi AramakiKenichi MiyoshiKatsuhiko HiramatsuHidetoshi SuzukiJun Hirano
    • Yoshiko SaitoTakashi AramakiKenichi MiyoshiKatsuhiko HiramatsuHidetoshi SuzukiJun Hirano
    • H04Q7/20
    • H04W16/26H04B7/15507H04W16/24H04W48/08H04W84/047
    • Provided is a mobile communication system which includes a plurality of RAT (Radio Access Technology) and can eliminate the need of a control channel for reporting RAT information so as to prevent congestion or shortage of the control channel capacity. In the mobile communication system, an LTE relay station (30) has a cover area (31) identical to a cover area (21) owned by a WLAN host station (20) and relays/transmits the signal received from an LTE base station (10) to a mobile station (40) in the cover area (31). The LTE relay station (30) adds to the signal received from the LTE base station (10), one of the offsets: a frequency offset, a time offset, and a power offset as information indicating that the mobile station (40) which receives a relay signal from the local station is located in the cover area (21) of WLAN and transmits the signal after offset addition to the mobile station (40) located in the cover area (31) (i.e., the cover area (21)).
    • 提供了包括多个RAT(无线电接入技术)的移动通信系统,并且可以消除用于报告RAT信息的控制信道的需要,以防止控制信道容量的拥塞或不足。 在移动通信系统中,LTE中继站(30)具有与WLAN主站(20)拥有的覆盖区域(21)相同的覆盖区域(31),并且中继/发送从LTE基站接收的信号 10)到覆盖区域(31)中的移动站(40)。 LTE中继站(30)将从LTE基站(10)接收到的信号中的一个相加,作为指示接收到的移动站(40)的信息的偏移中的一个:频率偏移,时间偏移和功率偏移 来自本地站的中继信号位于WLAN的覆盖区域(21)中,并且将偏移相加后的信号发送到位于覆盖区域(31)(即,覆盖区域(21))中的移动站(40) 。