کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
447067 1443240 2007 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Bit-interleaved coded modulation with iterative decoding using constellation shaping over Rayleigh fading channels
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر شبکه های کامپیوتری و ارتباطات
پیش نمایش صفحه اول مقاله
Bit-interleaved coded modulation with iterative decoding using constellation shaping over Rayleigh fading channels
چکیده انگلیسی

We propose to investigate the performance of bit-interleaved coded modulation with iterative decoding (BICM-ID) over Rayleigh fading channel by using constellation shaping (CS). The (CS) is implemented by inserting shaping block codes between mapping and channel coding functions, in order to generate non-equiprobable distribution of a 16-ary QAM signal constellation. Simulation results carried out on 2-bit/s/Hz 16-QAM BICM-ID indicate that is possible to obtain a gain of 1.2 dB at a BER of 10-310-3 compared to the equiprobable 16-QAM BICM-ID schemes. It is also shown that, the error floor level can reduced by applying the signal space diversity technique.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: AEU - International Journal of Electronics and Communications - Volume 61, Issue 6, 1 June 2007, Pages 405–410
نویسندگان
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