Performance Evaluation of Decision Feedback Equalizer under Mismatch.

El-Hefnawi, M. M.; Abd El-Magid, A.; Abed, Y.; Abo-Elfetoh, M.

doi:10.21608/bfemu.1981.181964

Performance Evaluation of Decision Feedback Equalizer under Mismatch.

Document Type : Research Studies

Authors

¹ Electrical Power & Machine Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt.

² Electrical Power & Machine Department., Faculty of Engineering, Mansoura University, Mansoura, Egypt.

10.21608/bfemu.1981.181964

Abstract

Transmitting digital data through dispersive channels is mainly affected by intersymbol interference (ISI). The decision feedback equalizer (DFE) was introduced as a suboptimum nonlinear processor to combat ISI for known channel characteristics.
In this paper, the performance of the DFE is investigated for a mismatched channel. The channel characteristic under mismatched is allowed to vary with respect to a specified design channel characteristic for which the DFE is design. This investigation will allow us to examine the limits of mismatch for the channel performance is acceptable.

Main Subjects