An Approximate Formula for WER of TURBO-Like Codes over Fading Channels

Li Yun Dai

doi:10.4028/www.scientific.net/AMM.263-266.1134

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 263-266An Approximate Formula for WER of TURBO-Like Codes...

An Approximate Formula for WER of TURBO-Like Codes over Fading Channels

Abstract:

By using radius of decision region, an approximate formula to estimate word error rate (WER) of Turbo-like codes is proposed. The approximate formula is simply expressed in the form of Gaussian Q function, which consists of signal to noise ratio (SNR), mathematical expectation and variance of squared radii in decision region, etc. In addition, the approximate expression can be easily extended to fading channels with negligible error of WER. Simulation results show that the deviation between the proposed formula and Monte Carlo simulation is no more than 1dB over fading channels.

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Periodical:

Applied Mechanics and Materials (Volumes 263-266)

Pages:

1134-1137

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.263-266.1134

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Online since:

December 2012

Authors:

Li Yun Dai

Keywords:

Decision Region, Squared Radius of Decision Region, Turbo-Like Codes, Word Error Rate

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