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Recursive Estimation of the Partial Clipping Noise in IDMA System with Limited Peak
Yier YAN Moon Ho LEE
IEICE TRANSACTIONS on Communications
Publication Date: 2010/04/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Transmission Systems and Transmission Equipment for Communications
Interleaver, IDMA, PAPR, clipping, distortion,
Full Text: PDF(140.3KB)>>
Interleave-division multiple access (IDMA) inherits the peak-to-average power ratio (PAPR) problem especially with large number of multiple layers. Clipping transmission is a really simple and efficient method, but clipping noise is a tradeoff to its performance. Due to different weighting factors, an ordering technique is considered in this letter to recursively cancel the partial clipping noise at each detection. Simulation results show that the performance is close to that of unclipped IDMA chip in the high SNR region (8-9 dB).