Channel estimation device and related method of an...

Details Channel estimation device and related method of an... Channel estimation device and related method of an...

2011-07-12

2011-07-12

Bayard, Emmanuel (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C370S210000

Reexamination Certificate

active

07978776

ABSTRACT:
A channel estimation device for orthogonal frequency division multiplexing system and related method. The transmitting end transmits error detection signal of subcarrier, and the channel estimation is decided by whether the received signal at the receiving end is correct. Furthermore, in order to reduce the calculation complexity of the channel estimation, least square estimation is performed first, then MMSE estimation is performed to obtain more precise channel estimation, and singular value decomposition is utilized to reduce the calculation complexity of MMSE. The above-mentioned channel estimation method can obtain a better system efficiency in fast time variant channel.

REFERENCES:
patent: 2006/0092902 (2006-05-01), Schmidt
patent: 2007/0165727 (2007-07-01), Fanson
patent: 2008/0101490 (2008-05-01), Kawauchi et al.
patent: 2008/0198835 (2008-08-01), Miyanaga et al.
patent: 2010/0226449 (2010-09-01), Ilow et al.

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