发明名称 |
METHODS AND APPARATUS FOR REDUCTION OF A PEAK TO AVERAGE RATIO FOR AN OFDM TRANSMIT SIGNAL |
摘要 |
<p>Methods and apparatus for reduction of a peak to average ratio for an OFDM transmit signal. In an aspect, a method is provided for reducing a peak to average ratio of a transmit waveform. The method includes obtaining a primary scrambler sequence, generating a secondary scrambler sequence having a length characteristic based on data to be scrambled, and combining the primary and secondary scrambler sequences to produce a PAR reduction sequence. In another aspect, an apparatus is provided for reducing a peak to average ratio of a transmit waveform. The apparatus includes a secondary generator configured to generate a secondary scrambler sequence having a length characteristic based on data to be scrambled, and combining logic configured to combine a primary scrambler sequence and the secondary scrambler sequences to produce a PAR reduction sequence.</p> |
申请公布号 |
WO2007115331(A1) |
申请公布日期 |
2007.10.11 |
申请号 |
WO2007US66004 |
申请日期 |
2007.04.04 |
申请人 |
QUALCOMM INCORPORATED;VAN VEEN, DURK L.;LING, FUYUN;KRISHNAMOORTHI, RAGHURAMAN |
发明人 |
VAN VEEN, DURK L.;LING, FUYUN;KRISHNAMOORTHI, RAGHURAMAN |
分类号 |
H04L27/26 |
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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