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    • 5. 发明申请
    • WIRELESS COMMUNICATION METHOD, BASE STATION APPARATUS AND MOBILE STATION APPARATUS
    • 无线通信方法,基站装置和移动站装置
    • US20090046604A1
    • 2009-02-19
    • US11813582
    • 2006-01-11
    • Atsushi MatsumotoSadaki FutagiKenichi MiyoshiDaichi ImamuraAkihiko Nishio
    • Atsushi MatsumotoSadaki FutagiKenichi MiyoshiDaichi ImamuraAkihiko Nishio
    • H04J3/00H04L7/00
    • H04L5/1469H04L5/023H04L27/2646H04L27/2655
    • A wireless communication method for improving the transmission efficiency in an upstream communication in OFDMA-TDD system or the like. An upstream transmission timing control part (108), which employs this method, controls, based on the OFDMA-TDD scheme, the transmission timings of a mobile station (#p) and a mobile station (#M) communicating with a base station (100). The upstream transmission timing control part (108) acquires information about the propagation delay times τp and τM of the mobile station (#p) and mobile station (#M). When the propagation delay time τp is shorter than the propagation delay time τM, the upstream transmission timing control part (108) decides the transmission timings of the mobile station (#p) and mobile station (#M) such that the timing at which the base station (100) starts receiving symbols from the mobile station (#p) in an upstream section is earlier, by αp times an OFDM symbol length (L) (where αp is a natural number), than the timing at which the base station (100) starts receiving symbols from the mobile station (#M) in the same section.
    • 一种用于在OFDMA-TDD系统中提高上行通信中的传输效率的无线通信方法等。 使用该方法的上行发送定时控制部(108)基于OFDMA-TDD方式,控制与基站通信的移动台(#p)和移动台(#M)的发送定时 100)。 上游发送定时控制部(108)获取关于移动台(#p)和移动台(#M)的传播延迟时间taup和tauM的信息。 当传播延迟时间taup比传播延迟时间ττ短时,上游发送定时控制部(108)决定移动台(#p)和移动台(#M)的发送定时, 基站(100)开始在上游部分中从移动站(#p)开始接收符号的时间早于基站的时间(alphap是自然数) (100)开始从同一部分的移动台(#M)接收符号。
    • 6. 发明申请
    • WIRELESS COMMUNICATION BASE STATION APPARATUS AND WIRELESS COMMUNICATION METHOD
    • 无线通信基站装置和无线通信方法
    • US20090104908A1
    • 2009-04-23
    • US11915328
    • 2006-05-24
    • Atsushi MatsumotoSadaki FutagiMasaru FukuokaKenichi Miyoshi
    • Atsushi MatsumotoSadaki FutagiMasaru FukuokaKenichi Miyoshi
    • H04W36/00H04B7/02
    • H04W52/42H04L5/0007H04L5/0046H04L5/006H04W88/08
    • A wireless communication base station apparatus that can raise the usage efficiency of the frequency resources of the whole system in a multicarrier transmission. In this apparatus, a separating part (103) separates symbols received from a modulating part (102) into symbols to be assigned to a first subcarriers group and into symbols to be assigned to a second subcarriers group. A setting part (106-1) sets the transmission power of the symbols, which are to be assigned to the first subcarriers group, to a power value as calculated by a power calculating part (105), while a setting part (106-2) sets the transmission power of the symbols, which are to be assigned to the second subcarriers group, to a power value as calculated by the power calculating part (105). Thus, the transmission power control is differently performed between the symbols to be assigned to the first subcarriers group and the symbols to be assigned to the second subcarriers group.
    • 一种能够提高多载波传输中的整个系统的频率资源的使用效率的无线通信基站装置。 在该装置中,分离部分(103)将从调制部分(102)接收的符号分离成要分配给第一子载波组的符号,并分配给要分配给第二子载波组的符号。 设置部分(106-1)将要分配给第一子载波组的符号的发送功率设置为由功率计算部分(105)计算的功率值,而设置部分(106-2 )将要分配给第二子载波组的符号的发送功率设置为由功率计算部(105)计算的功率值。 因此,在要分配给第一子载波组的符号和要分配给第二子载波组的符号之间,不同地执行发送功率控制。
    • 7. 发明授权
    • Wireless communication base station apparatus and wireless communication method
    • 无线通信基站装置及无线通信方式
    • US07852966B2
    • 2010-12-14
    • US11915328
    • 2006-05-24
    • Atsushi MatsumotoSadaki FutagiMasaru FukuokaKenichi Miyoshi
    • Atsushi MatsumotoSadaki FutagiMasaru FukuokaKenichi Miyoshi
    • H04L25/49H04W36/00
    • H04W52/42H04L5/0007H04L5/0046H04L5/006H04W88/08
    • A wireless communication base station apparatus that can raise the usage efficiency of the frequency resources of the whole system in a multicarrier transmission. In this apparatus, a separating part (103) separates symbols received from a modulating part (102) into symbols to be assigned to a first subcarriers group and into symbols to be assigned to a second subcarriers group. A setting part (106-1) sets the transmission power of the symbols, which are to be assigned to the first subcarriers group, to a power value as calculated by a power calculating part (105), while a setting part (106-2) sets the transmission power of the symbols, which are to be assigned to the second subcarriers group, to a power value as calculated by the power calculating part (105). Thus, the transmission power control is differently performed between the symbols to be assigned to the first subcarriers group and the symbols to be assigned to the second subcarriers group.
    • 一种能够提高多载波传输中的整个系统的频率资源的使用效率的无线通信基站装置。 在该装置中,分离部分(103)将从调制部分(102)接收的符号分离成要分配给第一子载波组的符号,并分配给要分配给第二子载波组的符号。 设置部分(106-1)将要分配给第一子载波组的符号的发送功率设置为由功率计算部分(105)计算的功率值,而设置部分(106-2 )将要分配给第二子载波组的符号的发送功率设置为由功率计算部(105)计算的功率值。 因此,在要分配给第一子载波组的符号和要分配给第二子载波组的符号之间,不同地执行发送功率控制。
    • 8. 发明授权
    • Transmission timing control method, base station apparatus and mobile station apparatus
    • 发送定时控制方法,基站装置和移动站装置
    • US08493961B2
    • 2013-07-23
    • US11813582
    • 2006-01-11
    • Atsushi MatsumotoSadaki FutagiKenichi MiyoshiDaichi ImamuraAkihiko Nishio
    • Atsushi MatsumotoSadaki FutagiKenichi MiyoshiDaichi ImamuraAkihiko Nishio
    • H04J3/06
    • H04L5/1469H04L5/023H04L27/2646H04L27/2655
    • A wireless communication method for improving the transmission efficiency in an upstream communication in OFDMA-TDD system or the like. An upstream transmission timing control part (108), which employs this method, controls, based on the OFDMA-TDD scheme, the transmission timings of a mobile station (#p) and a mobile station (#M) communicating with a base station (100). The upstream transmission timing control part (108) acquires information about the propagation delay times τp and τM of the mobile station (#p) and mobile station (#M). When the propagation delay time τp is shorter than the propagation delay time τM, the upstream transmission timing control part (108) decides the transmission timings of the mobile station (#p) and mobile station (#M) such that the timing at which the base station (100) starts receiving symbols from the mobile station (#p) in an upstream section is earlier, by αp times an OFDM symbol length (L) (where αp is a natural number), than the timing at which the base station (100) starts receiving symbols from the mobile station (#M) in the same section.
    • 一种用于在OFDMA-TDD系统中提高上行通信中的传输效率的无线通信方法等。 使用该方法的上行发送定时控制部(108)基于OFDMA-TDD方式,控制与基站通信的移动台(#p)和移动台(#M)的发送定时 100)。 上游发送定时控制部(108)获取关于移动台(#p)和移动台(#M)的传播延迟时间taup和tauM的信息。 当传播延迟时间taup比传播延迟时间ττ短时,上游发送定时控制部(108)决定移动台(#p)和移动台(#M)的发送定时, 基站(100)开始在上游部分中从移动站(#p)开始接收符号的时间早于基站的时间(alphap是自然数) (100)开始从同一部分的移动台(#M)接收符号。
    • 9. 发明申请
    • SCHEDULING DEVICE AND SCHEDULING METHOD
    • 调度装置和调度方法
    • US20120063469A1
    • 2012-03-15
    • US13256591
    • 2010-03-15
    • Takashi IwaiAkihiko NishioDaichi ImamuraKenichi MiyoshiMegumi IchikawaYoshihiko OgawaSadaki Futagi
    • Takashi IwaiAkihiko NishioDaichi ImamuraKenichi MiyoshiMegumi IchikawaYoshihiko OgawaSadaki Futagi
    • H04L12/66
    • H04W72/085H04W72/042
    • Provided are a scheduling device and a scheduling method, in which the amount of signaling of frequency resource allocation information can be reduced while the system throughput is maintained. In a base station device (100), a scheduling unit (113) selects, as an allocation resource for a terminal to which resources are to be allocated, at most one cluster band in each of a plurality of allocatable ranges set within a system band and generates allocation resource information including information relating to the selected cluster, and an encoding unit (114), a modulation unit (115), and a transmission RF unit (116) which serve as a transmission means transmit the allocation resource information generated by the scheduling unit (113) to the terminal to which the resources are to be allocated. Among the plurality of allocatable ranges, a first allocatable range is the entire system band, while a second allocatable range is a low frequency-side band or a high frequency-side band when the system band is divided into halves.
    • 提供了一种调度装置和调度方法,其中可以在保持系统吞吐量的同时减少频率资源分配信息的信令量。 在基站装置(100)中,调度部(113)在系统频带内设定的多个可分配范围的每一个中,选择作为分配资源的终端的分配资源, 并生成包括与所选择的群集有关的信息的分配资源信息,作为发送单元的编码单元(114),调制单元(115)和发送RF单元(116)发送由 调度单元(113)发送到要向其分配资源的终端。 在多个可分配范围中,第一可分配范围是整个系统频带,而当系统频带被分成两半时,第二可分配范围是低频侧频带或高频侧频带。