Decoding method and system for real-time wireless channel estimation
US7974368B2 · kind B2 · utility
84Cited by
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17Claims
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Key dates
| Filing date | Sep 24, 2007 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Mar 12, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/69
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A decoding method and system for real-time wireless channel estimation, which decodes a received signal with a noise. The received signal is coded by a concatenation code. At first, the received signal is performed a certain amount of decoding by a Max-Log-MAP decoding procedure. Next, an estimated amplitude of the received signal and an estimated variance of a noise are computed. Then, the received signal is adjusted in accordance with the estimated amplitude and the estimated variance to thereby produce an adjusted received signal. Finally, the adjusted received signal is decoded by a Log-Map decoding procedure.
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