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    • 65. 发明授权
    • User equipment and cell search method
    • 用户设备和小区搜索方法
    • US08488528B2
    • 2013-07-16
    • US13058589
    • 2009-08-07
    • Satoshi NagataYoshihisa KishiyamaMotohiro TannoMamoru Sawahashi
    • Satoshi NagataYoshihisa KishiyamaMotohiro TannoMamoru Sawahashi
    • H04W4/00H04J3/06H04J11/00
    • H04J11/0069H04W48/16
    • User equipment for performing cell search using a synchronization channel including a primary synchronization channel and a secondary synchronization channel includes a reception unit configured to receive a signal including the synchronization channel, a symbol timing candidate detection unit configured to detect multiple synchronization signal symbol timing candidates from the synchronization channel based on a correlation value in a time domain between the signal received at the reception unit and a replica signal of the primary synchronization channel, a secondary synchronization channel correlation detection unit configured to perform correlation detection for the secondary synchronization channel based on the multiple synchronization signal symbol timing candidates detected in the symbol timing candidate detection unit and a secondary synchronization channel detection unit configured to detect the secondary synchronization channel based on a result of the correlation detection by the secondary synchronization channel correlation detection unit.
    • 用于使用包括主同步信道和辅同步信道的同步信道进行小区搜索的用户设备包括被配置为接收包括同步信道的信号的接收单元,被配置为检测多个同步信号符号定时候选的符号定时候选检测单元 基于在所述接收单元接收的信号与所述主同步信道的复制信号之间的时域中的相关值的同步信道,辅同步信道相关检测单元,被配置为基于所述辅同步信道相关检测 在符号定时候选检测单元中检测到的多个同步信号符号定时候选和辅助同步信道检测单元,其被配置为基于相关检测的结果来检测辅同步信道 次同步信道相关检测单元。
    • 70. 发明申请
    • RADIO BASE STATION APPARATUS AND MOBILE TERMINAL APPARATUS
    • 无线基站和移动终端设备
    • US20110261771A1
    • 2011-10-27
    • US13126725
    • 2009-10-30
    • Satoshi NagataYoshihisa KishiyamaMotohiro TannoMamoru Sawahashi
    • Satoshi NagataYoshihisa KishiyamaMotohiro TannoMamoru Sawahashi
    • H04W84/00H04B7/24
    • H04J11/0083H04L5/0053H04W74/006H04W74/0833
    • The present invention provides a radio base station apparatus and a mobile terminal apparatus compatible with respective mobile communication systems when a plurality of mobile communication systems coexist. The mobile terminal apparatus performs a cell search using a synchronization channel signal specific to a first mobile communication system made up of a plurality of component carriers multiplexed with at least one downlink component carrier in the first mobile communication system and/or a synchronization channel signal for a second mobile communication system having a relatively narrow second system band multiplexed with at least one downlink component carrier in the first mobile communication system. and makes random access using uplink/downlink component carriers allocated based on information of downlink component carriers including the synchronization channel signal used for the cell search and information of uplink component carriers included in a dynamic broadcast channel signal broadcast from the radio base station apparatus.
    • 本发明提供一种当多个移动通信系统共存时,与各移动通信系统兼容的无线基站装置和移动终端装置。 移动终端装置使用由与第一移动通信系统中的至少一个下行链路分量载波复用的多个分量载波构成的第一移动通信系统专用的同步信道信号和/或同步信道信号进行小区搜索, 第二移动通信系统,具有与第一移动通信系统中的至少一个下行链路分量载波多路复用的相对窄的第二系统频带。 并且使用基于包括用于小区搜索的同步信道信号的下行链路分量载波的信息分配的上行链路/下行链路分量载波进行随机接入,以及从包括在从无线基站装置广播的动态广播信道信号中的上行链路分量载波的信息。