发明名称 |
A SYSTEM AND METHOD FOR SSS DETECTION UNDER CARRIER FREQUENCY OFFSET IN AN ORTHOGONAL FREQUENCY-DIVISION MULTIPLE ACCESS DOWNLINK CHANNEL |
摘要 |
A system and method for SSS detection under carrier frequency offset in an orthogonal frequency-division multiple access (OFDMA) downlink channel. A processor receives a signal sample that includes a transmission on a primary synchronization signal (PSS) and a transmission on a one secondary synchronization signal (SSS). The processor determines a correlation "P" of a first symbol transmitted in the PSS of the signal sample to a first known symbol at each time "t" of time increments k of the signal sample and a correlation "S" of a second symbol transmitted in the a SSS to a second known symbol at each time t-.5/7 msecs. The processor receives a candidate phase rotation of thetai from a set of "i" candidates and determines a correlation "Cmax" over the time increments k representing a maximum amplitude of a combined correlation of S and P, with P rotated by thetai. The processor determines the cell identifier from the first and second known symbols that produced S and P of C max and an estimation of the frequency offset between a transmitter of the signal sample and a receiver of the signal sample. |
申请公布号 |
EP2561710(B1) |
申请公布日期 |
2016.03.30 |
申请号 |
EP20110772620 |
申请日期 |
2011.04.20 |
申请人 |
PC-TEL, INC. |
发明人 |
ZHA, WEI;SOLTANIAN, AMIR;GUO, YUELUN;LU, WEI |
分类号 |
H04W56/00;H04J11/00 |
主分类号 |
H04W56/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|