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- Title
Performance of Quantized Turbo Decoding for Decoders with Maximum a Postriori Algorithm.
- Authors
Omar Hasan
- Abstract
Abstract??This paper investigates Bit Error Performance for quantized turbo code over Gaussian channels. The turbo encoder is built using a parallel concatenation of two recursive systematic convolution encoders and a random interleaver. The turbo decoder employs' two iterative symbol by symbol MAP based algorithm decoders for decoding the received data. For a given quantization level, the Bit Error Rates are examined by considering the influence of the code structure, the block size, and the number of decoding steps. Finally, to measure loss of power efficiency due to quantization, the results are compared to previously published results for the unquantized case under the same Bit to noise ratio and the code structure.
- Subjects
ALGORITHMS; GAUSSIAN processes; GAUSSIAN measures; MACHINE theory
- Publication
Wireless Personal Communications, 2007, Vol 41, Issue 1, p99
- ISSN
0929-6212
- Publication type
Article
- DOI
10.1007/s11277-006-9130-x