Interference Mitigation Techniques for OFDMA-Based Digital Duplexing Systems
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概要
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In OFDMA-based digital duplexing (DD) systems, the effective channel impulse response (CIR) is lengthened due to time difference of arrivals (TDoAs) from adjacent subscriber stations (SSs). In this letter, a time-domain shortening filter (TSF) is proposed to shorten the effective CIR by maximizing signal-to-interference ratio for pulse shortening (SIRPS). A time-domain window (TW) is also proposed to reduce the effect of inter-carrier interference (ICI) due to CFO in OFDMA-based DD systems, by maximizing the signal-to-interference and noise ratio for window (SINRW).
著者
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Park Chang-hwan
School Of Electrical And Electronic Engineering Chung-ang Univ.
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KIM Han-Seong
School of Electrical and Electronic Engineering, Chung-Ang Univ.
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CHO Yong-Soo
School of Electrical & Electronic Engineering, Chung-Ang University
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