26 search results - page 4 / 6 » Peak-to-Average Power Ratio Reduction in MIMO OFDM |
TWC
2008
13 years 7 months ago
2008
OFDM signals suffer from a large Peak to Average Power Ratio, which requires large power back-offs in the transmit and receive chains. This paper studies two digital postprocessing...
TSP
2008
13 years 7 months ago
2008
The peak-to-average power ratio (PAR) of orthogonal frequency division multiplexing (OFDM) systems can be reduced by using an optimal set of subcarrier signs. However, this sign se...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— The Active Constellation Extension (ACE) technique is a lossless (in terms of throughput) Peak-to-Average Power Ratio (PAR) reduction technique that adaptively extends ...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— This paper proposes a new method for peak to average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems using two alternative signalling ...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— Selected mapping (SLM) is a well-known method for reducing the peak-to-average power ratio (PAPR) in orthogonal frequency-division multiplexing (OFDM) systems. The main drawbac...