发明名称 |
SYNCHRONIZATION SEQUENCE WITH TONE NOTCHING IN OFDM SYSTEMS |
摘要 |
The present invention is a system, apparatus, and method for current MB-OFDM systems to design a time-domain sync sequence regarding DAA that (1) minimizes change to the current sync sequence, and (2) maintains the robustness of synchronization. Two tone-notching embodiments are provided for sync sequence design in the preamble when OFDM systems require detect-and-avoid (DAA) ability. The receiver needn't be aware of the change of sync sequence at the transmitter and can still use the original sync sequence. The design can be used in both DAA and non-DAA transmission modes.
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申请公布号 |
US2009052567(A1) |
申请公布日期 |
2009.02.26 |
申请号 |
US20070281821 |
申请日期 |
2007.03.06 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS, N.V.;HIGH TECH CAMPUS 44 |
发明人 |
YANG JUN;BIRRU DAGNACHEW;WANG DONG |
分类号 |
H04L27/28;H04L7/00 |
主分类号 |
H04L27/28 |
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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