کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6951964 1451731 2016 14 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Optimum single-tap per-subcarrier equalization for OFDM/OQAM systems
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر پردازش سیگنال
پیش نمایش صفحه اول مقاله
Optimum single-tap per-subcarrier equalization for OFDM/OQAM systems
چکیده انگلیسی
An equivalent multi-input multi-output (MIMO) linear model of the standard transceiver for OFDM/OQAM systems is derived. Specifically, the impulse response of the equivalent filter that determines the effect on each output of the symbol sequence transmitted on each subcarrier, both with reference to AWGN and multipath channels, is obtained. The derived model is exploited for the design of the optimum single-tap per-subcarrier equalizer according to the maximum signal-to-interference ratio criterion. It is shown that the optimum single-tap equalizer in the absence of guard subcarriers is the inverse of a specific coefficient of an impulse response of the derived MIMO model. This coefficient under particular conditions leads to the conventionally used single-tap equalizer given by the inverse of the channel frequency response at the frequency of the considered subcarrier. The effects of guard subcarriers and the inclusion of the noise term in the cost function are also studied.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Digital Signal Processing - Volume 49, February 2016, Pages 148-161
نویسندگان
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