Title :
Decision-directed compensation of modulation-index drift for high bit rate equalized GMSK radio LANs
Author :
Sheen, Wern-Ho ; Tsai, Chin-Peng ; Dang, Ten Long
Author_Institution :
Dept. of Electr. Eng., Nat. Chung Cheng Univ., Taiwan
fDate :
5/1/1999 12:00:00 AM
Abstract :
For an equalized Gaussian minimum shift keying system, the modulation-index drift from 0.5 associated with a simple direct FM implementation may result in a severe degradation on the equalizer performance. A decision-directed compensation for the drift is proposed. Computer simulations show that a large part of the performance loss due to modulation-index drift can be recovered with the proposed method.
Keywords :
adaptive equalisers; fading channels; minimum shift keying; multipath channels; wireless LAN; BCH encoded GMSK system; Gaussian minimum shift keying system; adaptive equalization; decision-directed compensation; direct FM implementation; equalized GMSK radio LAN; equalizer performance; high bit rate; modulation-index drift; multipath fading channel; Adaptive equalizers; Baseband; Bit rate; Computer simulation; Decision feedback equalizers; Degradation; Filters; Modulation; RF signals; Wireless LAN;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/4234.766848
