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    • 91. 发明授权
    • Adaptive modulation control apparatus and wireless communication apparatus
    • 自适应调制控制装置和无线通信装置
    • US08077782B2
    • 2011-12-13
    • US11794888
    • 2006-01-05
    • Takashi OnoderaToshizo NogamiHidekazu Tsuboi
    • Takashi OnoderaToshizo NogamiHidekazu Tsuboi
    • H04K1/10H04L27/28
    • H04L25/022H04L5/0007H04L5/0064H04L25/0222H04L27/0008
    • [Object] To prevent communication performance capabilities from deteriorating even in the cases that the estimation error of the propagation path is significant, and that the variation speed of the propagation path characteristics is fast.[Overcoming Means] An adaptive modulation control apparatus which adaptively selects a modulation parameter from among a plurality of modulation parameters corresponding to an estimation result of a propagation path state and which has a frequency axis gradient calculating section (11) which receives propagation path estimation information indicative of an estimation result of a propagation path state, and calculates a gradient of a function of frequency corresponding to each frequency when the propagation path estimation information is set to be the function of frequency, a correcting section (12) that makes a correction to increase or decrease an upper limit or a lower limit of a numerical range of the propagation path state in one-to-one correspondence with each of the modulation parameters corresponding to the calculated gradient of the function of frequency, and a modulation parameter selecting section (13) that selects a modulation parameter corresponding to the corrected numerical range of the propagation path state including the propagation path estimation information.
    • 即使在传播路径的估计误差大的情况下,传播路径特性的变动速度快的情况下,也能防止通信性能下降。 [克服装置]一种自适应调制控制装置,其自适应地从对应于传播路径状态的估计结果的多个调制参数中选择调制参数,并且具有频率轴梯度计算部分(11),其接收传播路径估计信息 指示传播路径状态的估计结果,并且当传播路径估计信息被设置为频率的函数时,计算对应于每个频率的频率的函数的梯度;校正部分(12),其对 与传播路径状态的数值范围的上限或下限一一对应地对应于与计算的频率函数的梯度相对应的调制参数,调制参数选择部( 13),其选择对应于校正数字的调制参数 包括传播路径估计信息的传播路径状态的范围。
    • 93. 发明申请
    • WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, REPORT INFORMATION TRANSMITTING METHOD, AND SCHEDULING METHOD
    • 无线通信设备,无线通信系统,无线通信方法,报告信息发送方法和调度方法
    • US20100098004A1
    • 2010-04-22
    • US12443930
    • 2007-10-04
    • Takashi OnoderaToshizo Nogami
    • Takashi OnoderaToshizo Nogami
    • H04W72/00
    • H04W72/085H04L5/023H04L27/2601H04W72/0453
    • A wireless communication device receives signals using a channel allocated from N channels to the wireless communication device by another wireless communication device. The wireless communication device includes: a storage that stores information concerning at least newest (M−K) request channels among M request channels that are candidates to be allocated; an additional channel selector that selects K additional channels to be newly added to request channels from the N channels excluding the (M−K) request channels, selects at least newest (M−K) request channels from the request channels including the (M−K) request channels stored and the K additional channels selected, and stores information indicative of the (M−K) request channels selected in the storage; and a report information generator that generates report information that is to be reported to the other wireless communication device and includes information indicative of the K additional channels selected by the additional channel selector.
    • 无线通信设备使用由N个信道分配给该无线通信设备的信道来接收信号。 无线通信装置包括:存储关于作为要分配的候选的M个请求信道中的至少最新(M-K)个请求信道的信息的存储部; 从除了(M-K)个请求信道之外的N个信道中选择要新添加的附加信道的附加信道的附加信道选择器从包括(M-K)个请求信道的请求信道中选择至少最新(M-K)个请求信道, K)请求存储的信道和选择的K个附加信道,并且存储表示在存储器中选择的(M-K)个请求信道的信息; 以及报告信息生成器,其生成要向另一无线通信设备报告的报告信息,并且包括表示由附加信道选择器选择的K个附加信道的信息。
    • 94. 发明申请
    • Adaptive Modulation Control Apparatus and Wireless Communication Apparatus
    • 自适应调制控制装置和无线通信装置
    • US20090274199A1
    • 2009-11-05
    • US11794888
    • 2006-01-05
    • Takashi OnoderaToshizo NogamiHidekazu Tsuboi
    • Takashi OnoderaToshizo NogamiHidekazu Tsuboi
    • H04L25/49H04B1/38
    • H04L25/022H04L5/0007H04L5/0064H04L25/0222H04L27/0008
    • [Object] To prevent communication performance capabilities from deteriorating even in the cases that the estimation error of the propagation path is significant, and that the variation speed of the propagation path characteristics is fast.[Overcoming Means] An adaptive modulation control apparatus which adaptively selects a modulation parameter from among a plurality of modulation parameters corresponding to an estimation result of a propagation path state and which has a frequency axis gradient calculating section (11) which receives propagation path estimation information indicative of an estimation result of a propagation path state, and calculates a gradient of a function of frequency corresponding to each frequency when the propagation path estimation information is set to be the function of frequency, a correcting section (12) that makes a correction to increase or decrease an upper limit or a lower limit of a numerical range of the propagation path state in one-to-one correspondence with each of the modulation parameters corresponding to the calculated gradient of the function of frequency, and a modulation parameter selecting section (13) that selects a modulation parameter corresponding to the corrected numerical range of the propagation path state including the propagation path estimation information.
    • 即使在传播路径的估计误差大的情况下,传播路径特性的变动速度快的情况下,也能防止通信性能下降。 [克服装置]一种自适应调制控制装置,其自适应地从对应于传播路径状态的估计结果的多个调制参数中选择调制参数,并且具有频率轴梯度计算部分(11),其接收传播路径估计信息 指示传播路径状态的估计结果,并且当传播路径估计信息被设置为频率的函数时,计算对应于每个频率的频率的函数的梯度;校正部分(12),其对 与传播路径状态的数值范围的上限或下限一一对应地对应于与所计算的频率函数的梯度相对应的调制参数,增加或减少调制参数选择部( 13),其选择对应于校正数字的调制参数 包括传播路径估计信息的传播路径状态的范围。
    • 96. 发明授权
    • Radio communication apparatus and radio communication system
    • 无线电通信装置和无线电通信系统
    • US09516530B2
    • 2016-12-06
    • US13062175
    • 2009-08-31
    • Hiroshi NakanoTakeshi OnoderaToshizo Nogami
    • Hiroshi NakanoTakeshi OnoderaToshizo Nogami
    • H04W24/10H04W8/24H04W72/02H04W72/04
    • H04W24/10H04W8/24H04W72/02H04W72/04
    • A CQI control unit 401 inputs, to a subchannel selecting unit 402, subchannel estimation values for report bands which are based on control information received from a control information separating unit 221, at report timings based on the control information. The subchannel selecting unit 402 selects a predetermined number (M) of subchannels on the basis of the received subchannel estimation values, and inputs information indicating the selected subchannels and the qualities of the selected channels to a CQI constructing unit 403. Based on a predetermined format, the CQI constructing unit 403 constructs CQIs by using the qualities of the selected channels and the information indicating the selected channels, and inputs the CQIs to the coding unit 210. Here, as the channel quality, an average value of each of SNR, SINR, and CINR of subcarriers belonging to the subchannel is used. Alternatively, the poorest quality among the subcarriers included in the subchannel may be used as the channel quality of the subchannel, or information indicating the MCS required by the receiver may be used as the channel quality. In this way, it is possible to provide a method that enables the transmission of CQIs at their optimum intervals even in a case of a system using multiple discontinuous bands.
    • CQI控制单元401在基于控制信息的报告定时向子信道选择单元402输入基于从控制信息分离单元221接收的控制信息的报告频带的子信道估计值。 子信道选择单元402基于所接收的子信道估计值来选择预定数量(M)的子信道,并将指示所选择的子信道的信息和所选择的信道的质量的信息输入到CQI构成单元403.基于预定格式 ,CQI构成部403使用所选择的信道的质量和指示所选择的信道的信息构成CQI,并将CQI输入到编码部210.这里,作为信道质量,将SNR,SINR ,并且使用属于子信道的子载波的CINR。 或者,包括在子信道中的子载波中的最差质量可以用作子信道的信道质量,或者可以使用指示接收机所需的MCS的信息作为信道质量。 以这种方式,即使在使用多个不连续的频带的系统的情况下,也可以提供能够以最佳间隔发送CQI的方法。
    • 98. 发明授权
    • Base station apparatus, relay station apparatus, and communication system
    • 基站装置,中继站装置和通信系统
    • US08649731B2
    • 2014-02-11
    • US12997512
    • 2009-06-18
    • Takashi OnoderaToshizo NogamiOsamu NakamuraHiroshi Nakano
    • Takashi OnoderaToshizo NogamiOsamu NakamuraHiroshi Nakano
    • H04B3/36
    • H04B7/155H04B7/2606H04L1/0026H04L1/0027H04L1/0031H04L1/0073H04L5/003H04L5/0037H04L5/0091H04L25/0204H04L25/0224H04L2001/0097
    • Provided is a communication system that can allocate resources on an uplink for a CQI report, and can reduce the overhead of the CQI relay transmission from a relay station apparatus to a base station apparatus. To each mobile station apparatus (501, 502) that transmits CQI directly to a base station apparatus (500), resource blocks on a base station apparatus uplink to be used for the transmission of each CQI to the base station apparatus are allocated. Resource blocks on the base station apparatus uplink to be used for each relay station to relay-transmit to the base station apparatus CQI received from the mobile station apparatuses are allocated on the basis of the allocation result of resource blocks on a relay station apparatus uplink for each relay station apparatus (510, 520). To mobile station apparatuses that transmit CQI to the base station apparatus via each relay station apparatus, resource blocks on the relay station apparatus uplink to be used for the transmission of CQI to the relay station apparatus are allocated.
    • 提供了一种能够在CQI报告的上行链路上分配资源的通信系统,能够减少从中继站装置向基站装置的CQI中继发送的开销。 对于向基站装置(500)直接发送CQI的各个移动站装置(501,502),分配用于向基站装置发送各CQI的基站装置上行链路的资源块。 基于在中继站装置上行链路上的资源块的分配结果,分配基站装置上行的用于每个中继站的中继站的资源块,用于中继向基站装置发送的移动台装置 每个中继站装置(510,520)。 对于经由各个中继站装置向基站装置发送CQI的移动站装置,分配用于向中继站装置发送CQI的中继站装置上行链路的资源块。
    • 99. 发明授权
    • Transmitter for communications system
    • 通讯系统发射机
    • US08320849B2
    • 2012-11-27
    • US13517585
    • 2012-06-13
    • Toshizo NogamiKimihiko ImamuraRyota Yamada
    • Toshizo NogamiKimihiko ImamuraRyota Yamada
    • H03C7/02H04K3/00
    • H04B7/0671H04B7/0452H04B7/0682H04B7/12
    • An rf signal transmitter for transmitting rf signals through a plurality of antennas is described, which comprises: a transmit section adapted to selectively set, with respect to an input signal, the initial phase of an output to at least one of said antennas depending on a time or frequency region used for communication and to provide delay to the output on an antenna-by-antenna basis and on the basis of a transmission timing or a transmission frequency; and a quality information receive section for receiving quality information from destination station, i.e., a wireless terminal unit, said quality information concerning the rf signal transmitted from said transmit section and received at said destination station.
    • 描述了一种用于通过多个天线发送rf信号的射频信号发射机,其包括:发射部分,其适于相对于输入信号有选择地将输出的初始相位设置为至少一个所述天线,这取决于 用于通信的时间或频率区域,并且在天线基础上并基于发送定时或发送频率向输出提供延迟; 以及质量信息接收部分,用于从目的地站即无线终端单元接收关于从所述发送部分发送并在所述目的地站处接收的rf信号的质量信息的质量信息。