Bit error rate performance of third generation turbo codes

  • Authors:

  • M. A. U. Bhuiyan;M. S. Alam;M. S. Hosain

  • Affiliations:

  • Department of Computer Science & Engineering, The University of Asia Pacific, Dhaka, Bangladesh;CSE Dept., Bangladesh University of Engineering & Technology, Dhaka, Bangladesh;CSE Dept., The University of Asia Pacific, Dhaka, Bangladesh

  • Venue:
  • ELECTROSCIENCE'05 Proceedings of the 5th WSEAS international conference on Applied electromagnetics, wireless and optical communications
  • Year:
  • 2005

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Abstract

After the invention of Turbo Codes (TCs) many coding theorist and researchers further tried to improve the performance of these codes. Now the performance of Turbo Codes is becoming closer to the Shannon's limit. The performance of turbo codes depends on its architectural component and the architecture of TCs is application dependent. So the researchers are trying to develop the standard architecture of TCs for specific application so that its performance becomes optimum. In this paper we analyze the performance, in terms of bit error rate (BER) vs. bit energy to noise spectral ratio (Eb/No) of Turbo Codes that are using in Third Generation Partnership Project standard (Universal Mobile Telephone Systems-UMTS) [10]. This paper focuses on the effect of the variation of the architectural components of UMTS TCs on its performance. In particular code rate, frame size i.e., length of information bits, number of decoding iteration and channel models variations of Turbo Codes are taken into account in studying the performance of Turbo Codes. These effects are shown in the performance curve (BER vs. Eb/N0) of the UMTS standard turbo codes.