发明名称 |
Optimized synchronization preamble structure |
摘要 |
Orthogonal Frequency Division Multiplexed transmission and reception using a broadcast burst preamble. The preamble comprises at least one first part (A-FIELD) designed for a coarse frame detection and/or an AGC control, and at least one second part (B-FIELD) following the at least one first part in the time domain and being designed for a timing and frequency synchronization. The at least one first part (A-FIELD) and the at least one second part (B-FIELD) each include Inverse Fast Fourier Transformed (IFFT) frequency domain sequences of complex symbols. The frequency domain sequence of the at least one first part (A-FIELD) is set depending on the frequency domain sequence of the at least one second part (B-FIELD) such that a second autocorrelation peak mainly generated by the at least one second part (B-FIELD) of the preamble is optimized. The sequence of complex symbols of the first part differs from the sequence of complex symbols of the second part in at least one symbol.
|
申请公布号 |
US7145955(B1) |
申请公布日期 |
2006.12.05 |
申请号 |
US20000556693 |
申请日期 |
2000.04.21 |
申请人 |
SONY DEUTSCHLAND GMBH |
发明人 |
BOEHNKE RALF;DOELLE THOMAS;KONSCHAK TINO |
分类号 |
H04J11/00;H04L27/28;H04L7/08;H04L27/26 |
主分类号 |
H04J11/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|