Abstract
This letter proposes a novel semi-blind Layered Space-Frequency Equalization (LSFE) receiver for Single-Carrier Cyclic-Prefix (SC-CP) Multiple-Input Multiple-Output (MIMO) systems with block transmission, based on Independent Component Analysis (ICA). Simulation results show that semiblind LSFE with various Doppler shifts can provide performance close to the case with perfect Channel State Information (CSI), using a training overhead of only 0.05%. It also significantly outperforms its Orthogonal Frequency Division Multiplexing (OFDM) counterpart with perfect CSI and semi-blind linear SC Frequency Domain Equalization (SC-FDE) over a wide range of Signal to Noise Ratios (SNRs).
| Original language | English |
|---|---|
| Pages (from-to) | 1203-1207 |
| Number of pages | 5 |
| Journal | IEEE Transactions on Wireless Communications |
| Volume | 7 |
| Issue number | 4 |
| DOIs | |
| State | Published - 8 Apr 2008 |
| Externally published | Yes |
Keywords
- Frequency domain equalization
- MIMO systems
- independent component analysis
- semi-blind
- single carrier
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