Blairtech Solution LLC
Method and apparatus of iterative channel tracking for MIMO-OFDM system
Methods and systems for channel estimation using iterative channel tracking algorithm, in a communication system combined multiple input multiple output (MIMO) technology with orthogonal frequency division multiplexing (OFDM), are disclose. The initial channel estimation of a data packet uses the first preamble inserted in front of the OFDM blocks. After demodulating subsequent one or more OFDM blocks, iterative channel tracking method is used for channel estimation until the next preamble is received. The iterative channel tracking is based on the received signals and the demodulated results of subsequent one or more OFDM blocks.
LILEE SYSTEMS, LTD
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Yu-Wei Meng-Chang
Lee Doong