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    • 3. 发明申请
    • Communication apparatus based on multi-carrier modulation system
    • 基于多载波调制系统的通信设备
    • US20070249298A1
    • 2007-10-25
    • US11528375
    • 2006-09-28
    • Kensuke Sawada
    • Kensuke Sawada
    • H04B1/04H04B1/02
    • H04L5/0044H04B1/56H04L5/0007
    • A communication apparatus based on the multi-carrier modulation system may be included in a mobile station or a base station for simultaneous transmission and reception with a simplified structure between the mobile station and base station using in common the same frequency band. A communication apparatus based on a multi-carrier modulation system for simultaneous communications with a plurality of sub-carriers using a plurality of sub-carriers modulated with data respectively, comprising a transmitting unit operable to transmit data with a plurality of sub-carriers by modulating a sub-carrier among the plurality of sub-carriers with data, and operable to use the other sub-carriers a receiving band without modulation with the data.
    • 基于多载波调制系统的通信装置可以包括在移动台或基站中,用于在移动站和基站之间以简单的结构同时发送和接收,使用相同的频带。 一种基于多载波调制系统的通信装置,用于使用分别用数据调制的多个子载波同时与多个子载波进行通信,所述多载波调制系统包括:发送单元,可操作以通过调制来发送具有多个子载波的数据 具有数据的多个子载波中的子载波,并且可操作以使用其他子载波与接收带无需调制的数据。
    • 10. 发明授权
    • Authentication system
    • 验证系统
    • US08074075B2
    • 2011-12-06
    • US11312935
    • 2005-12-21
    • Kensuke Sawada
    • Kensuke Sawada
    • G06F21/00
    • H04W12/06H04L63/0853
    • To provide an authentication technology making it compatible to facilitate inputting of authentication information and to ensure the security. An authentication device connected to a transmitting terminal and a receiving terminal via a communication line, receives a message from the transmitting terminal, receives authentication information from the transmitting terminal, registers the message in association with the authentication information, receives a request with a purport of acquiring the message from the receiving terminal, determines, based on the authentication information received from the receiving terminal and the registered authentication information, whether to authenticate or not, and, if authenticated, transmits the message to the receiving terminal.
    • 提供认证技术使其兼容,便于输入认证信息并确保安全性。 通过通信线路连接到发送终端和接收终端的认证装置,从发送终端接收消息,从发送终端接收认证信息,与认证信息相关联地登记消息,接收请求, 从接收终端获取消息,基于从接收终端接收到的认证信息和注册认证信息,确定是否认证,并且如果被认证,则将消息发送到接收终端。