کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
564541 875619 2009 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Non-stationary multiple-antenna interference cancellation for unsynchronized OFDM systems with distributed training
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر پردازش سیگنال
پیش نمایش صفحه اول مقاله
Non-stationary multiple-antenna interference cancellation for unsynchronized OFDM systems with distributed training
چکیده انگلیسی

Adaptive interference cancellation is addressed in an asynchronous orthogonal frequency-division multiplexing (OFDM) system with a frame containing a number of temporally distributed pilot symbols, e.g., as in the IEEE 802.16-2004 standard. Non-stationary symbol-by-symbol switching technique is proposed that is based on banks of the second-order statistics semi-blind solutions with on-line algorithm selection using a higher-order statistics criterion. Three banks of algorithms are formulated and analyzed by means of comparison to the conventional stationary pilot-based solution and to the non-asymptotic maximum-likelihood benchmark especially developed for assessment of the proposed interference cancellation algorithms. Their efficiency is compared to the conventional stationary solutions by means of simulations in a WiMAX (worldwide interoperability for microwave access) environment.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Signal Processing - Volume 89, Issue 5, May 2009, Pages 753–764
نویسندگان
, ,