Presentation 2000/1/20
Transfer Function Bounds on Performance of Turbo Codes for M-ary Orthogonal Signals
Tomoaki Ohtsuki, Joseph M. Kahn,
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Abstract(in English) We obtain upper bounds on the bit-error rate (BER) for maximum-likelihood (ML) decoding of turbo codes constructed with uniform interleavers for M-ary orthogonal signals. We use transfer function bounding techniques to obtain the above bounds. Thus, the upper bounds result in the average bound over all interleavers of a given length. We present the average bounds on the BER of turbo codes with constraint length 3 for M-ary orthogonal signals on additive white Gaussian noise (AWGN) channels. We show that the performance advantage of turbo-coded 4-ary orthogonal signals over turbo-coded binary orthogonal signals is smaller than the performance advantage in the absence of coding.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Turbo Code / M-ary Orthogonal Signal / Transfer Function Bound
Paper # DSP99-173,SAT99-128,RCS99-178
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Committee RCS
Conference Date 2000/1/20(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Transfer Function Bounds on Performance of Turbo Codes for M-ary Orthogonal Signals
Sub Title (in English)
Keyword(1) Turbo Code
Keyword(2) M-ary Orthogonal Signal
Keyword(3) Transfer Function Bound
1st Author's Name Tomoaki Ohtsuki
1st Author's Affiliation Dept. of Electrical Engineering, Science University of Tokyo()
2nd Author's Name Joseph M. Kahn
2nd Author's Affiliation Dept. of Electrical Engineering and Computer Sciences, University of California, Berkeley
Date 2000/1/20
Paper # DSP99-173,SAT99-128,RCS99-178
Volume (vol) vol.99
Number (no) 568
Page pp.pp.-
#Pages 6
Date of Issue