Apparatus and method for receiving signals in an OFDM...

Details Apparatus and method for receiving signals in an OFDM... Apparatus and method for receiving signals in an OFDM...

2004-11-19

2008-11-11

Ghayour, Mohammad (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S316000, C375S346000, C375S348000

Reexamination Certificate

active

07450652

ABSTRACT:
A receiving apparatus in an OFDM communication system, in which the receiving apparatus includes a serial-to-parallel converter that converts a serial signal received through an antenna to parallel signals. A pre-processor processes an nth symbol converted in the serial-to-parallel converter using an (n−1)th symbol and an (n+1)th symbol. A Fourier transformer Fourier-transforms the output of the pre-processor and an equalizer equalizes a Fourier-transformed signal. A deinterleaver deinterleaves an equalized signal, a decoder decodes a deinterleaved signal, and a parallel-to-serial converter converts parallel decoded signal to a signal stream.

REFERENCES:
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patent: 6744821 (2004-06-01), Van Acker et al.
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patent: 2004/0081263 (2004-04-01), Lee et al.
Hwang et al. “Iterative Cyclic Reconstruction for Coded Single-Carrier Systems with Frequency-Domain Equalization (SC-FDE)” IEEE, Apr. 2003.
Suyama et al. “An OFDM Receiver Employing Turbo Equalization for Multipath Environments with Delay Spread Greater than the Guard Interval”, IEEE, Apr. 2003.

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