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A Design and Chronological Survey of Decision Feedback Equalizer for Single Carrier Transmission Compared with OFDM

  • Tariq Jamil Saifullah Khanzada
  • Ali Ramadan Ali
  • Abdul Qadeer Khan Rajput
  • Abbas S. Omar
Part of the Communications in Computer and Information Science book series (CCIS, volume 20)

Abstract

Single Carrier Transmission (SCT) is a competing technique for Orthogonal Frequency Division Multiplexing (OFDM) in Broadband Wireless Systems (BWS). Recent developments in Frequency Domain Equalization (FDE) using Decision Feedback Equalization (DFE) have greatly improved the system based on the SC technique, this caused SC-DFE to be selected as a candidate technique for the forthcoming BWS. This paper concentrates the growth of DFE design from scratch till its present form used in SCT and thus restricts our survey to the development of DFE for SCT. A new SCT-DFE modified model is also presented and compared with OFDM, both simulated for WLAN system. This presented equalizer structure performs better than OFDM and improves its performance when the number of iterations is increased. SC-LE and SC-DFE both supersede the performance of OFDM.

Keywords

Orthogonal Frequency Division Multiplex Wireless Local Area Network Orthogonal Frequency Division Multiplex System Orthogonal Frequency Division Multiplex Symbol Space Time Block Code 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Tariq Jamil Saifullah Khanzada
    • 1
  • Ali Ramadan Ali
    • 1
  • Abdul Qadeer Khan Rajput
    • 2
  • Abbas S. Omar
    • 1
  1. 1.Chair of Microwave and Communication EngineeringUniversity of MagdeburgGermany
  2. 2.Department of Computer Systems & Software EngineeringMehran University of Engineering & TechnologyJamshoroPakistan

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