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    • 6. 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) 。
    • 7. 发明申请
    • Wireless Communication Device and Transmission Method
    • 无线通信设备和传输方法
    • US20100248613A1
    • 2010-09-30
    • US12675751
    • 2008-09-05
    • Kenichi MiyoshiHidetoshi SuzukiTakashi AramakiYuichi KobayakawaKatsuhiko Hiramatsu
    • Kenichi MiyoshiHidetoshi SuzukiTakashi AramakiYuichi KobayakawaKatsuhiko Hiramatsu
    • H04B3/36
    • H04W88/04
    • A wireless communication device, e.g., a mobile station, capable of performing its communication and relay processing for another mobile station, when requested, at the same time without stopping the communication and the relay processing. In the device, an outgoing/incoming call request detection unit (106) detects an outgoing/incoming call request indicating that an outgoing call of the signal of the mobile station or an incoming call is requested from a signal inputted from an upper-layer processing unit (105). A relay request detection unit (108) detects a relay request signal indicating that an MS1 requests an MS2 for relay to a base station from a demodulated relay signal inputted from a relay signal demodulation unit (107). A communication rate determination unit (109) determines the communication rate so as to simultaneously transmit both the signal of the mobile station and the relay signal when a signal indicating that an outgoing/incoming call request is detected is inputted from the outgoing/incoming call request detection unit (106) or a signal indicating that a relay request signal is detected is inputted from the relay request detection unit (108).
    • 无线通信装置,例如移动台,能够在不停止通信和中继处理的情况下同时请求时对其他移动台进行通信和中继处理。 在该设备中,呼出/呼入呼叫请求检测单元(106)从上层处理中输入的信号中检测出呼出/呼入呼叫请求,该呼出/呼入呼叫请求指示呼叫移动台的信号或来电呼叫 单元(105)。 中继请求检测单元(108)根据从中继信号解调单元(107)输入的解调后的中继信号,检测指示MS1向基站请求中继的MS2的中继请求信号。 通信速率确定单元(109)确定通信速率,以便当从输入/输入呼叫请求输入指示检测到呼出/呼入呼叫请求的信号时,同时发送移动台的信号和中继信号两者 检测单元(106)或指示检测到中继请求信号的信号从中继请求检测单元(108)输入。
    • 10. 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。