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    • 24. 发明申请
    • RELAY STATION, BASE STATION AND COMMUNICATION METHOD
    • 继电站,基站和通信方法
    • US20130163507A1
    • 2013-06-27
    • US13819292
    • 2012-02-08
    • Masayuki HoshinoHidetoshi SuzukiAyako HoriuchiDaichi Imamura
    • Masayuki HoshinoHidetoshi SuzukiAyako HoriuchiDaichi Imamura
    • H04W88/04
    • H04B7/155H04L27/28H04W72/04H04W88/04
    • Provided is a relay station that is capable of improving PDSCH channel estimation accuracy, even in a case where a DL grant is provided that gives instructions for downlink data allocation for R-PDCCH. In this device, a signal separation unit (203) receives, of the control information and data and reference signals sent from a base station (100), the reference signals disposed in a first region and a second region within a pre-coding RB group (PRG) comprising one or more PRBs of the plurality of PRBs constituting a divided frequency region; the control information disposed in the first region; and the data disposed in the second region. A demodulation unit (204) demodulates the data on the basis of the reference signals. The demodulation unit (204) demodulates the data using the reference signals disposed in the second region.
    • 即使在提供给R-PDCCH的下行链路数据分配指令的DL授权的情况下,也能够提高PDSCH信道估计精度。 在该装置中,信号分离单元(203)接收从基站(100)发送的控制信息和数据以及参考信号中设置在预编码RB组内的第一区域和第二区域中的参考信号 (PRG),包括构成分频区域的多个PRB中的一个或多个PRB; 所述控制信息设置在所述第一区域中; 以及设置在第二区域中的数据。 解调单元(204)根据参考信号对数据进行解调。 解调单元(204)使用设置在第二区域中的参考信号来解调数据。
    • 25. 发明申请
    • MOBILE COMMUNICATION TERMINAL AND METHOD FOR SIMULTANEOUS COMMUNICATION USING A PLURALITY OF FREQUENCIES
    • 移动通信终端和使用多种频率的同时通信的方法
    • US20130163482A1
    • 2013-06-27
    • US13822202
    • 2011-09-29
    • Hidetoshi SuzukiHiromasa UmedaTakashi Okada
    • Hidetoshi SuzukiHiromasa UmedaTakashi Okada
    • H04L5/14
    • H04B1/0057
    • In order to enable simultaneous communication using a plurality of frequencies, provided is a mobile communication terminal including: a first combining circuit 210 that receives transmission signals of two frequency bands, and outputs a combined signal; a triplexer 220 including: a transmitting filter 221 that filters the signal inputted by the first combining circuit 210 and outputs the resultant signal; and a receiving filter A 222 and a receiving filter B 223 that each filter an inputted given signal and output the resultant signal; a combined signal filter 230 including: a filter P 231 having the same pass characteristic as that of the transmitting filter 221; and a filter Q 232 having the same pass characteristic as that of the receiving filter B 223, the combined signal filter 230 filtering the signal outputted by the first combining circuit 210 and outputting the resultant signal; a phase adjuster 240 that adjusts a phase of the signal outputted by the combined signal filter 230 to a phase opposite to that of an interference signal, and outputs the resultant signal; and a second combining circuit 250 that combines the signal outputted by the phase adjuster 240 with a signal (interference signal) that passes through both the transmitting filter 221 and the receiving filter B 223.
    • 为了实现使用多个频率的同时通信,提供了一种移动通信终端,包括:第一组合电路210,其接收两个频带的传输信号,并输出组合信号; 三重器220包括:发射滤波器221,对由第一组合电路210输入的信号进行滤波并输出结果信号; 以及接收滤波器A 222和接收滤波器B 223,每个滤波器输​​入给定信号并输出​​结果信号; 组合信号滤波器230,包括:具有与发送滤波器221相同的通过特性的滤波器P 231; 以及具有与接收滤波器B 223相同的通过特性的滤波器Q232,组合信号滤波器230对由第一组合电路210输出的信号进行滤波并输出结果信号; 相位调整器240,其将由组合信号滤波器230输出的信号的相位调整到与干扰信号的相位相反的相位,并输出结果信号; 以及将由相位调整器240输出的信号与通过发送滤波器221和接收滤波器B 223两者的信号(干扰信号)组合的第二组合电路250。
    • 26. 发明授权
    • Communication device and communication method
    • 通信设备和通信方式
    • US08175060B2
    • 2012-05-08
    • US12596259
    • 2008-03-26
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaMasayuki Furusawa
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaMasayuki Furusawa
    • H04W4/00H04K3/00
    • H04W36/30H04B17/318H04B17/382
    • A communication device and a communication method capable of implementing high-speed and high-quality communication processing such as handover. A mobile communication terminal is configured such that, in cases where it is judged by a power measurement unit that a reception signal received by a communication unit is equal to or less than a predetermined value, a frequency conversion unit performs computation by expanding a frequency range for performing time/frequency conversion with respect to the received reception signal. Further, a frequency measurement unit measures reception strength of reception signals in the expanded frequency range, and detects a frequency of, among the measured signals, a signal with a reception strength higher than a predetermined reception strength, and the communication unit executes connection processing by using the signal of this frequency.
    • 能够实现诸如切换的高速和高质量通信处理的通信设备和通信方法。 移动通信终端被配置为使得在由功率测量单元判断由通信单元接收的接收信号等于或小于预定值的情况下,频率转换单元通过扩展频率范围来执行计算 用于对接收的接收信号执行时间/频率转换。 此外,频率测量单元测量扩展频率范围内的接收信号的接收强度,并且检测测量信号中具有高于预定接收强度的接收强度的信号的频率,并且通信单元执行通过 使用这个频率的信号。
    • 27. 发明申请
    • WIRELESS COMMUNICATION MOBILE STATION DEVICE AND DISTRIBUTION AND PLACEMENT METHOD FOR RESOURCE ELEMENTS
    • 无线通信移动站设备及资源分配与配置方法
    • US20110069671A1
    • 2011-03-24
    • US12993404
    • 2009-05-22
    • Seigo NakaoHidetoshi SuzukiAkihiko NishioKenichi Kuri
    • Seigo NakaoHidetoshi SuzukiAkihiko NishioKenichi Kuri
    • H04W72/04
    • H03M13/27H03M13/09H03M13/6525H04B7/12H04L1/0061H04L1/0071H04L5/0007H04L5/0044H04L25/03159H04L27/0008H04L2025/03414
    • Provided is a mobile station which can obtain an equivalent diversity effect in each communication scheme while keeping to an minimum the increase in the circuit scale of a mobile station even when the mobile station is compatible with a plurality of communication schemes. In a mobile station (100) which performs either single-carrier frequency-division multiple access (SC-FDMA) communication or orthogonal frequency division multiple access (OFDMA) communication, an interleaving unit (103) interleaves a plurality of resource elements, which are divided into a plurality of code blocks, in a plurality of code blocks when either SC-FDMA or OFDMA communication is performed. In addition, only when OFDMA communication is performed, a serial-to-parallel (SIP) converter (107) converts the data symbols to parallel streams and generates the OFDM symbols. A shifter (108) provides a different frequency shift to each OFDM symbol for the OFDM symbols input from the S/P converter (107), and distributes and places the plurality of resource elements of each plurality of code blocks after interleaving in the frequency domain.
    • 提供了一种能够在每个通信方案中获得等效分集效应的移动站,即使当移动台与多种通信方案兼容时,也能够将移动台的电路规模的增加最小化。 在执行单载波频分多址(SC-FDMA)通信或正交频分多址(OFDMA)通信的移动台(100)中,交织单元(103)对多个资源元素进行交织, 当执行SC-FDMA或OFDMA通信时,在多个码块中分成多个码块。 此外,只有在执行OFDMA通信时,串行到并行(SIP)转换器(107)将数据符号转换为并行流并生成OFDM符号。 移位器(108)对于从S / P转换器(107)输入的OFDM符号为每个OFDM符号提供不同的频移,并且在频域中分配并放置每个多个码块的多个资源元素 。
    • 28. 发明申请
    • CHANNEL ARRANGEMENT METHOD AND WIRELESS COMMUNICATION BASE STATION DEVICE
    • 频道布置方法和无线通信基站装置
    • US20100202377A1
    • 2010-08-12
    • US12671198
    • 2008-12-26
    • Akihiko NishioChristian WengerterHidetoshi SuzukiKatsuhiko Hiramatsu
    • Akihiko NishioChristian WengerterHidetoshi SuzukiKatsuhiko Hiramatsu
    • H04W72/04
    • H04W72/0453H04L5/0007H04L5/001H04L5/0042H04L5/0053H04W72/00H04W72/04H04W72/042H04W72/044
    • It is an object to provide a wireless communication base station device that can prevent the decline of a system throughput due to the degradation of a utilization efficiency of a communication resource of a channel for carrying out a frequency diversity transmission when a frequency scheduling transmission and a frequency diversity transmission are concurrently carried out in multiple carrier communication. In the wireless communication base station device, a modulation unit (12) carries out modulation processing for Dch data after coding to generate a Dch data symbol. A modulation unit (22) carries out modulation processing for Lch data after coding to generate an Lch data symbol. An allocation unit (103) allocates the Dch data symbol and Lch data symbol to each sub-carrier composing an OFDM symbol and outputs the allocated sub-carrier to a multiplex unit (104). In this case, the allocation unit (103) allocates the Dch data symbol to a plurality of resource blocks where one Dch is arranged at an interval equal to integral multiples of the number of resource blocks composing a resource block group.
    • 本发明的目的是提供一种无线通信基站装置,其能够防止由于在频率调度发送时的用于进行频率分集发送的信道的通信资源的利用效率的劣化而导致的系统吞吐量的下降 频率分集传输在多载波通信中同时进行。 在无线通信基站装置中,调制部(12)对编码后的Dch数据进行调制处理,生成Dch数据符号。 调制单元(22)对编码后的Lch数据进行调制处理,生成Lch数据符号。 分配单元(103)将Dch数据符号和Lch数据符号分配给构成OFDM符号的每个子载波,并将所分配的子载波输出到多路复用单元(104)。 在这种情况下,分配单元(103)将Dch数据符号分配给多个资源块,其中一个Dch以等于构成资源块组的资源块的数量的整数倍的间隔排列。
    • 29. 发明申请
    • COMMUNICATION DEVICE AND COMMUNICATION METHOD
    • 通信设备和通信方法
    • US20100144297A1
    • 2010-06-10
    • US12596259
    • 2008-03-26
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaMasayuki Furusawa
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaMasayuki Furusawa
    • H04B1/16H04B17/00
    • H04W36/30H04B17/318H04B17/382
    • A communication device and a communication method capable of implementing high-speed and high-quality communication processing such as handover. A mobile communication terminal is configured such that, in cases where it is judged by a power measurement unit that a reception signal received by a communication unit is equal to or less than a predetermined value, a frequency conversion unit performs computation by expanding a frequency range for performing time/frequency conversion with respect to the received reception signal. Further, a frequency measurement unit measures reception strength of reception signals in the expanded frequency range, and detects a frequency of, among the measured signals, a signal with a reception strength higher than a predetermined reception strength, and the communication unit executes connection processing by using the signal of this frequency.
    • 能够实现诸如切换的高速和高质量通信处理的通信设备和通信方法。 移动通信终端被配置为使得在由功率测量单元判断由通信单元接收的接收信号等于或小于预定值的情况下,频率转换单元通过扩展频率范围来执行计算 用于对接收的接收信号执行时间/频率转换。 此外,频率测量单元测量扩展频率范围内的接收信号的接收强度,并且检测测量信号中具有高于预定接收强度的接收强度的信号的频率,并且通信单元执行通过 使用这个频率的信号。