Abstract
A subspace-based blind channel estimator has been developed for space time coding orthogonal frequency division multiplexing (STC-OFDM) system with two transmit antennas and two receive antennas. A condition that guarantees multichannel to be identifiable to two ambiguity parameters is given. The method does not need preceding or constant-modulus (CM) modulating. Finally, simulation results demonstrate the performance of the proposed blind algorithm.
| Original language | English |
|---|---|
| Pages (from-to) | 632-635 |
| Number of pages | 4 |
| Journal | Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology |
| Volume | 25 |
| Issue number | 7 |
| Publication status | Published - Jul 2005 |
Keywords
- Blind channel estimation
- Orthogonal frequency division multiplexing
- Space time coding
- Subspace-based method
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