发明名称 |
Quaternary precoded continuous phase modulation soft bit metric demodulator |
摘要 |
A receiver generates log-likelihood-ratio-based soft bit metrics of precoded quaternary continuous phase modulation signals using four state-constrained trellises and a streamlined maximum likelihood sequence estimation Viterbi algorithm requiring no survivor state storage elements for a preferred error correction-coded quaternary Gaussian minimum shift keying communication system employing reduced-complexity pulse-amplitude modulation matched-filtering and soft-decision decoding.
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申请公布号 |
US7529323(B2) |
申请公布日期 |
2009.05.05 |
申请号 |
US20050147074 |
申请日期 |
2005.06.06 |
申请人 |
THE AEROSPACE CORPORATION |
发明人 |
LUI GEE L.;TSAI KUANG |
分类号 |
H03D1/00 |
主分类号 |
H03D1/00 |
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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