| Publisher | University of Texas | ||
|---|---|---|---|
| Format | 3.7MB PDF | Date added | 01 Mar 2006 |
| Topics | Wireless LAN, Mobile - Wireless Communications | ||
| Downloads | 76 | ||
This paper proposes a receiver architecture that can demodulate multiple data streams with different frequency offsets and propagation delays in Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) ad hoc networks. The receiver performs joint synchronization and interference cancellation to separate these interfering data streams and achieve synchronization for each stream. The paper proposes a novel training-based Minimizing Mean Square Error (MMSE) algorithm to jointly obtain the frequency offsets and the equalization delays. The effects of frequency offsets and propagation delays are compensated with these estimated parameters.
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