公开(公告)号：US20140301385A1

公开(公告)日：2014-10-09

申请号：US13903373

申请日：2013-05-28

申请人： Innowireless Co., Ltd.

发明人： Jin-Soup JOUNG ,  Joo-Hyeong LEE ,  Yong-Hoon LIM ,  Byung-Kwan JANG

IPC分类号： H04W56/00

CPC分类号： H04W56/0015 ,  H04J11/0076

摘要： There is disclosed a Long Term Evolution (LTE) cell detecting apparatus in a multi-cell environment that may efficiently detect an LTE cell even in a multi-cell environment where interference occurs between adjacent cells.The LTE cell detecting apparatus includes a secondary synchronization signal (SSS) reference signal generating unit for generating reference signals of all SSSs included in a specific subframe, a memory for storing a reference phase difference sequence with respect to the reference signal of the SSS generated by the SSS reference signal generating unit, a Fast Fourier Transform (FFT) operation unit for performing an FFT operation with respect to a received radio signal to output a primary synchronization signal (PSS) and an SSS, a time synchronization acquisition unit for acquiring LTE time synchronization by the PSS output from the FFT operation unit, and a cell detection unit for detecting an LTE cell by the time synchronization information acquired by the time synchronization acquisition unit and a correlation between a phase difference sequence of a received SSS output from the FFT operation unit and the reference phase difference sequence stored in the memory.

摘要翻译： 公开了在多小区环境中的长期演进（LTE）小区检测装置，即使在相邻小区之间发生干扰的多小区环境中，也可以有效地检测LTE小区。 LTE小区检测装置包括：辅助同步信号（SSS）参考信号生成单元，用于生成包括在特定子帧中的所有SSS的参考信号;存储器，用于存储相对于由SSS生成的SSS的参考信号的参考相位差序列 SSS参考信号产生单元，用于对接收的无线电信号执行FFT操作以输出主同步信号（PSS）和SSS的快速傅里叶变换（FFT）操作单元，用于获取LTE时间的时间同步获取单元 通过来自FFT运算部的PSS输出的同步，以及通过由时间同步取得部获取的时间同步信息来检测LTE小区的小区检测部以及从FFT运算输出的接收到的SSS的相位差序列 单位和存储在存储器中的参考相位差序列。

公开(公告)号：US20140334285A1

公开(公告)日：2014-11-13

申请号：US13903333

申请日：2013-05-28

申请人： INNOWIRELESS CO., LTD.

发明人： Jin-Soup JOUNG ,  Joo-Hyeong LEE ,  Yong-Hoon LIM ,  Hee-Jun LEE ,  Chul-Woo YOO

IPC分类号： H04W28/06

CPC分类号： H04L27/2628 ,  H04L27/265

摘要： There is disclosed a base station apparatus having a cloud radio access network (CRAN) structure. The base station apparatus includes a digital unit (DU) that includes a baseband processing unit for processing signals of a baseband, a Fast Fourier Transform (FFT) operation unit that converts baseband signals of a time domain into signals of a frequency domain, an Inverse FFT (IFFT) operation unit that converts signals of a frequency domain into signals of a time domain, and a radio unit (RU) that processes radio signals with respect to a terminal, and transmits and receives the processed signals, wherein the FFT operation unit and the IFFT operation unit are provided in the RU to reduce an amount of transmission and reception data between the DU and the RU.

摘要翻译： 公开了具有云无线接入网（CRAN）结构的基站装置。 基站装置包括：数字单元（DU），其包括用于处理基带信号的基带处理单元，将时域的基带信号变换为频域的信号的快速傅立叶变换（FFT）运算单元，反相 将频域的信号变换为时域的信号的FFT（IFFT）运算部以及处理与终端相关的无线信号的无线部（RU），发送接收处理后的信号，FFT运算部 并且在RU中提供IFFT操作单元以减少DU和RU之间的发送和接收数据量。