| Publisher | Institute of Electrical and Electronics Engineers | ||
|---|---|---|---|
| Format | 639.7KB PDF | Date added | 01 Mar 2006 |
| Topics | Wireless LAN, Mobile - Wireless Communications | ||
| Downloads | 9 | ||
This paper details a new Orthogonal-Frequency-Division-Multiplexing (OFDM) modulator based on the use of a PseudoRandom Postfix (PRP)-OFDM and discusses low-complexity equalization and channel estimation/tracking architectures. The main property of this new modulation scheme is the ability to estimate and track the channel variations semi-blindly using order-one statistics of the received signal. Compared with known Cyclic Prefix OFDM (CP-OFDM) Pilot-Symbol-Assisted Modulation (PSAM) schemes, the pilot overhead is avoided.
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