Performance of BCH codes with DES encryption in a digital mobile channel

  • Guy Ferland
  • Jean-Yves Chouinard
Coding and Modulation for Fading Channels
Part of the Lecture Notes in Computer Science book series (LNCS, volume 793)


In a digital mobile communication channel, the use of an encryption algorithm is essential to prevent unwanted eavesdropping of private conversations and to protect sensitive data transfers against tampering. This paper presents a performance analysis of different modes of operation of the Data Encryption Standard (DES) encryption in a digital mobile radio channel environment. The objective is to determine the degradation effects of data enciphering on the channel reliability and to analyze the error correction capability of Bose-Chaudhuri-Hocquenghem (BCH) codes for the enciphered data when channel errors occur. The digital mobile communication channel is simulated using Fritchman's channel model, which can represent a large variety of error burst channels. Computer simulations are used to evaluate the bit error performance of BCH codes in the error burst channels, when the information data is first encrypted with DES.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • Guy Ferland
    • 1
  • Jean-Yves Chouinard
    • 1
  1. 1.Department of Electrical EngineeringUniversity of OttawaOttawaCanada

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