Abstract
This paper studies orthogonal frequency-division multiplexing (OFDM) systems employing coded modulation. Clipping is applied to reduce the peak-to-average-power-ratio (PAPR) of the transmit signal. A soft compensation method is proposed to combat the clipping effect. It is shown that the proposed method can outperform conventional clipping effect mitigation methods. The impact of signaling schemes of the coded modulation on system performance is investigated. The average variance analysis and numerical results demonstrate that superposition coded modulation (SCM) together with the proposed detection technique provides a simple and efficient solution to clipped OFDM transmission. © 2008 IEEE.
| Original language | English |
|---|---|
| Title of host publication | GLOBECOM - IEEE Global Telecommunications Conference |
| Pages | 1137-1141 |
| DOIs | |
| Publication status | Published - 2008 |
| Event | 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 - New Orleans, LA, United States Duration: 30 Nov 2008 → 4 Dec 2008 |
Conference
| Conference | 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 |
|---|---|
| Place | United States |
| City | New Orleans, LA |
| Period | 30/11/08 → 4/12/08 |
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