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    • 93. 发明授权
    • Wireless communication device
    • 无线通信设备
    • US08194612B2
    • 2012-06-05
    • US12408966
    • 2009-03-23
    • Yoshihiro KawasakiTsuyoshi Shimomura
    • Yoshihiro KawasakiTsuyoshi Shimomura
    • H04W4/00
    • H04W56/0085H04J13/0062H04W36/08H04W74/08
    • Upon handover, a mobile station receives, from the movement origin base station, information on the movement destination base station and information relating to a sequence to be used for transmitting a random access signal to the movement destination base station. The mobile station receives a synchronization channel signal transmitted from the movement destination base station. The mobile station transmits the random access signal to the movement destination base station at a timing offset by a prescribed period from a timing of receiving a synchronization channel and at a frequency corresponding to that of the synchronization channel. A position of the timing/frequency used for transmitting the random access signal for the handover is used exclusively by the random access signal transmitted from the mobile terminal for which a handover is being performed or is used exclusively at the same time by a plurality of mobile stations for which handovers are performed.
    • 在切换时,移动台从移动原点基站接收关于移动目的地基站的信息和与用于向移动目的地基站发送随机接入信号的序列有关的信息。 移动站接收从移动目的地基站发送的同步信道信号。 移动台从接收同步信道的定时偏移了规定期间的定时,以对应于同步信道的频率,将移动目的地基站的随机接入信号发送到移动目的地基站。 用于发送用于切换的随机接入信号的定时/频率的位置由通过正在执行切换的移动终端发送的随机接入信号或由多个移动台专门用于同时专用地使用 执行切换的站。
    • 95. 发明申请
    • RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS, TERMINAL APPARATUS, AND RADIO COMMUNICATION METHOD FOR RADIO COMMUNICATION SYSTEM
    • 无线电通信系统,基站装置,无线电通信系统终端设备和无线电通信方法
    • US20120009967A1
    • 2012-01-12
    • US13238643
    • 2011-09-21
    • Yoshihiro KAWASAKI
    • Yoshihiro KAWASAKI
    • H04W72/04H04W88/02H04W88/08
    • H04W72/1205H04W72/14
    • A radio communication system including: a base station apparatus; and a terminal apparatus, wherein the base station apparatus and terminal apparatus performs radio communication, the base station apparatus includes: a scheduler which divides a radio frequency band used for the radio communication into first and second sub-bands of which respective bandwidths are different, assigns the divided first or second sub-band for transmitting user data to the terminal apparatus or for transmitting the user data from the terminal apparatus, and generates assignment information indicating which of the first or second sub-band is assigned to each terminal apparatus; and a transmitter which transmits the assignment information to the terminal apparatus, and the terminal apparatus includes a receiver which receives the assignment information.
    • 一种无线电通信系统,包括:基站装置; 以及终端装置,其中,所述基站装置和终端装置进行无线通信,所述基站装置包括:调度器,将用于所述无线通信的无线电频带划分为相应带宽不同的第一和第二子带, 将分割的第一或第二子带分配给终端装置,或者从终端装置发送用户数据,生成分配信息,指示分配给每个终端装置的第一或第二子带哪一个; 以及向终端装置发送分配信息的发送机,终端装置包括接收分配信息的接收机。
    • 100. 发明申请
    • COMMUNICATIONS APPARATUS AND COMMUNICATIONS SYSTEM USING MULTICARRIER TRANSMISSION MODE
    • 通信设备和通信系统使用多媒体传输模式
    • US20100046654A1
    • 2010-02-25
    • US12607570
    • 2009-10-28
    • Takayoshi OdeYoshihiro KawasakiKazuo Kawabata
    • Takayoshi OdeYoshihiro KawasakiKazuo Kawabata
    • H04L27/28
    • H04W72/0453H04L5/00H04L5/0007H04L27/261H04W28/26H04W48/08H04W72/00H04W72/04H04W72/0406H04W72/044H04W88/08
    • A communications system for communications by a multicarrier transmission mode between a plurality of communications apparatuses, wherein an overall frequency band assigned to the communications system is divided into a plurality of frequency bands each having a constant bandwidth and a specific band. The divided bands are used to transmit used frequency band information thereby indicating the assignment of the remaining bands used between said communications apparatuses. The specific band is defined as a main band for transmitting control channel information including used frequency band information and data channel information. The main band may be added with an extension band for transmitting further data channel information. The main band and extension band can be changed in the frequency band used along with time or can be changed in the number thereof. Both the main band and the extension bands are preferably used for multiplexing by some of communications apparatuses.
    • 一种用于在多个通信设备之间通过多载波传输模式进行通信的通信系统,其中分配给所述通信系统的总频带被划分为具有恒定带宽和特定频带的多个频带。 划分的频带用于发送所使用的频带信息,从而指示在所述通信装置之间使用的剩余频带的分配。 特定频带被定义为用于发送包括使用的频带信息和数据信道信息的控制信道信息的主频带。 主频带可以添加有用于发送另外的数据信道信息的扩展频带。 主频带和扩展频带可以随时间改变频带,或者可以改变其数量。 主频带和扩展频带都优选地用于通过一些通信装置进行多路复用。