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2009•Unpublished venueRequires access

Performance Comparison of TDE and FDE in Single-Carrier System

Yinghao Qi, Peiwei Huang, Mengtian Rong

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Abstract

Single carrier transmission with cyclic prefix (SC- CP) has been adopted in wireless applications as an alternative air interface to orthogonal frequency division multiplexing (OFDM). In this paper, we compare the time and frequency domain equalization schemes utilizing regular LDPC codes in SC-CP system. Simulation results show that CP can be employed for better decoding in a multipath environment. Time domain equalizer has better performance than frequency domain equalizer with short duration of channel impulse response (CIR).

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What this paper is about

Single carrier transmission with cyclic prefix (SC- CP) has been adopted in wireless applications as an alternative air interface to orthogonal frequency division multiplexing (OFDM). In this paper, we compare the time and frequency domain equalization schemes utilizing regular LDPC codes in SC-CP system. Simulation results show that CP can be employed for better decoding in a multipath environment. Time domain equalizer has better performance than frequency domain equalizer with short duration of channel impulse response (CIR).

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Available abstract

Single carrier transmission with cyclic prefix (SC- CP) has been adopted in wireless applications as an alternative air interface to orthogonal frequency division multiplexing (OFDM). In this paper, we compare the time and frequency domain equalization schemes utilizing regular LDPC codes in SC-CP system. Simulation results show that CP can be employed for better decoding in a multipath environment. Time domain equalizer has better performance than frequency domain equalizer with short duration of channel impulse response (CIR).

Key concepts: Cyclic prefix, SC-FDE, Orthogonal frequency-division multiplexing, Computer science, Equalization (audio), Electronic engineering, Frequency domain, Multipath propagation

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