发明名称 |
TRANSMISSION AND RECEPTION OF REFERENCE PREAMBLE SIGNALS IN OFDMA OR OFDM COMMUNICATION SYSTEMS |
摘要 |
<p>Techniques for generating preamble sequences for OFDM and OFDMA communication systems based on CAZAC sequences with desired properties of constant amplitudes (CA) and zero autocorrelation (ZAC). Such preamble sequences may be used for synchronization and identification of individual transmitters. For example, the OFDMA symbol is constructed using a CAZAC sequence in the frequency-domain and the resulting time-domain waveform is a near-CAZAC sequence.</p> |
申请公布号 |
EP1779580(A2) |
申请公布日期 |
2007.05.02 |
申请号 |
EP20050781679 |
申请日期 |
2005.07.27 |
申请人 |
ZTE SAN DIEGO, INC. |
发明人 |
HOU, JASON;WANG, JING;CAI, SEAN;FENG, DAZI;FANG, YONGGANG;YANG, YUNSONG |
分类号 |
H04L27/26;H04J13/00;H04J13/14;H04L5/00;H04L25/02 |
主分类号 |
H04L27/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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