联合迭代滤波与压扩参数优化的OFDM信号峰平比抑制

doi:10.11959/j.issn.1000-436x.2015091

Abstract

Abstract:

Considering the drawbacks of the traditional companding transforms，an efficient companding scheme combined with iterative filtering was proposed to reduce the peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) signals.By introducing a joint optimization approach for PAPR and bit error rate (BER) performances along with remaining an unchanged average output power level，the scheme could achieve significant reduction in PAPR as well as an improved BER simultaneously.Moreover，by adaptively adjusting the transform parameters in the iterative process，more design flexibility in companding form and lower out-of-band radiation could also be given to satisfy various system requirements.The proposed scheme had a simple functional form and less computational complexity.The theoretical results regarding the transform gain and impact of companding distortion were derived.Simulation results show that this scheme can substantially offer better overall performances in terms of PAPR reduction，BER performance and bandwidth efficiency.

Key words: OFDM, PAPR, companding transform, parameter optimization

Chao YANG,Yong WANG,Jian-hua GE. Companding transform technique combined with iterative filtering for reducing PAPR of OFDM signals[J]. Journal on Communications, 2015, 36(4): 164-169.

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References 18

[1]	HWANG T，YANG C，WU G ， LI S ， LEE G Y . OFDM and its wireless application:a survey[J]. IEEE Trans Vehicular Technology， 2009，58(4): 1673-1694.
[2]	RAHMATALLAH Y ， MOHAN S . Peak-to-average power ratio reduction in OFDM systems:a survey and taxonomy[J]. IEEE Commun Surveys & Tutorials， 2013，15(4): 1567-1592.
[3]	ARMSTRONG J . Peak-to-average power reduction for OFDM by repeated clipping and frequency domain filtering[J]. Electronics letters， 2002，38(5): 246-247.
[4]	WANG Y ， LUO Z . Optimized iterative clipping and filtering for PAPR reduction of OFDM signals[J]. IEEE Trans Commun， 2010，59(1): 33-37.
[5]	WANG L ， TELLAMBURA C . A simplified clipping and filtering technique for PAR reduction in OFDM systems[J]. IEEE Signal Processing Lett， 2005，12(6): 453-456.
[6]	JIANG T ， YANG Y ， SONG Y H . Exponential companding technique for PAPR reduction in OFDM systems[J]. IEEE Trans Broadcasting， 2005，51(2): 244-248.
[7]	YUAN J . New companding transform for PAPR reduction in OFDM[J]. IEEE Commun Lett， 2010，14(4): 282-284.
[8]	HUANG X ， LU J ， ZHENG J ，et al. Companding transform for reduction in peak-to-average power ratio of OFDM signals[J]. IEEE Trans on Wireless Commun， 2004，3(6): 2030-2039.
[9]	WANG Y ， GE J H ， WANG L H ，et al. Nonlinear companding transform for reduction of peak-to-average power ratio in OFDM systems[J]. IEEE Trans Broadcasting， 2013，59(2): 369-375.
[10]	JENG S S ， CHEN J M . Efficient PAPR reduction in OFDM systems based on a companding technique with trapezium distribution[J]. IEEE Trans Broadcasting， 2011，57(2): 291-298.
[11]	HOU J ， GE J H ， LI J . Trapezoidal companding scheme for peak-to-average power ratio reduction of OFDM signals[J]. Electronics Lett， 2009，45(25): 1349-1351.
[12]	KOU Y J ， LU W S ， ANTONIOU A . A new peak-to-average power-ratio reduction algorithm for OFDM systems via constellation extension[J]. IEEE Trans Wireless Commun， 2007，6(5): 1823-1832.
[13]	LI L ， QU D M . Joint decoding of LDPC code and phase factors for OFDM systems with PTS PAPR reduction[J]. IEEE Trans Vehicular Technology， 2012，62(1): 444-449.
[14]	CIMINI J L J ， SOLLENBERGER N R . Peak-to-average power ratio reduction of an OFDM signal using partial transmit sequences[J]. IEEE Commun Lett， 2000，4(3): 86-88.
[15]	DARDARI D ， TRALLI V ， VACCARI A . A theoretical characterization of nonlinear distortion effects in OFDM systems[J]. IEEE Trans Commun， 2000，48(10): 1755-1764.
[16]	BANELLI P ， CACOPARDI S . Theoretical analysis and performance of OFDM signals in nonlinear AWGN channels[J]. IEEE Trans Commun， 2000，48(3): 430-441.
[17]	ETSI EN 300 744 v1.4.1[S]. Digital Video Broadcasting:Framing Structure，Channel coding，and Modulation for Digital Terrestrial Television， 2001.
[18]	JIANG T ， LI C . Simple alternative multisequences for PAPR reduction without side information in SFBC MIMO-OFDM systems[J]. IEEE Trans Vehicular Technology， 2012，61(7): 3311-3315.

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