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Optimized coding schemes for wireless data communications

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3 Author(s)
F. Chiti ; Dipt. di Elettronica e Telecomunicazioni, Firenze Univ., Italy ; R. Fantacci ; S. Menci

This paper presents the design, the analysis and the optimization of some efficient channel coding schemes for the enhanced data services provisioning within next generation wireless systems, specifically the TETRA Release 2 system. Three different turbo codes schemes are compared: the parallel and serial concatenation of convolutional codes, respectively, PCCC and SCCC, and block turbo coding (BTC). Basing on the specific-services, some practical rules are drawn to lead to an efficient codes design, while respecting the physical and MAC layers features. By means of numerical simulations, SCCC are proved to outperform not only BTC but also PCCC, though the latter is the scheme widely accepted within the majority of communications standards. Besides, the advantages obtained both in terms of performance and complexity, afford the high-speed, interactive and QoS-oriented multimedia services supply.

Published in:

IEEE International Conference on Communications, 2005. ICC 2005. 2005  (Volume:4 )

Date of Conference:

16-20 May 2005