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Robust Diversity-Combing Receivers for LDPC Coded FFH-SS with Partial-Band Interference

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4 Author(s)
Xiaofu Wu ; Southeast Univ., Nanjing ; Chunming Zhao ; Xiaohu You ; Shaoqian Li

Diversity-combining followed by min-sum decoding is proposed for mitigating partial-band interference in low-density parity-check (LDPC) coded frequency-hopping systems with diversity transmission. A new robust diversity-combining technique is derived based on the generalized maximum-likelihood ratio test (GMLRT). Simulations show that, among various diversity-combining techniques, the GMLRT, envelope self-normalizing and clipped-linear combining schemes are appealing for use in practice.

Published in:

Communications Letters, IEEE  (Volume:11 ,  Issue: 7 )