Title :
Joint efficiency and performance enhancement of multiband OFDM ultra-wideband (WiMedia) systems by application of LDPC codes
Author :
Nowak, Stefan ; Hundt, Oliver ; Kays, Ruediger
Author_Institution :
Commun. Technol. Inst., Dortmund Univ. of Technol., Dortmund
Abstract :
This paper describes modifications of the WiMedia PHY which significantly increase its performance. By application of Shannon-limit approaching LDPC codes we yield a performance gain of about 4 dB at the reference bit error rate of 10-5. The simulation results are based on a realistic channel model for indoor UWB WPAN environments. Furthermore, our proposal leads to a convenient and expedient PHY and increases the system efficiency.
Keywords :
OFDM modulation; error statistics; indoor radio; parity check codes; personal area networks; ultra wideband communication; wireless channels; LDPC codes; Shannon-limit approach; WiMedia PHY; bit error rate; channel model; indoor UWB WPAN environment; low density parity check codes; multiband OFDM ultrawideband systems; orthogonal frequency division multiplexing; Consumer electronics; Diversity reception; Forward error correction; Mathematical model; OFDM; Parity check codes; Physical layer; Quadrature phase shift keying; Streaming media; Ultra wideband technology; Home media network; LDPC codes; MBOFDM; UWB; WiMedia;
Conference_Titel :
Consumer Electronics, 2008. ISCE 2008. IEEE International Symposium on
Conference_Location :
Vilamoura
Print_ISBN :
978-1-4244-2422-1
Electronic_ISBN :
978-1-4244-2422-1
DOI :
10.1109/ISCE.2008.4559544
