Title :
An offset-Z search strategy for spread spectrum systems
Author :
Pan, Si-Ming ; Grant, Howard A. ; Dodds, David E. ; Kumar, Surinder
Author_Institution :
SED Systems Inc., Saskatoon, Sask., Canada
fDate :
12/1/1995 12:00:00 AM
Abstract :
A new Z search method is proposed which can significantly improve mean acquisition time when compared with the best previous Z search strategy. The codephase search starts from a position offset from centre of a range which has been determined from a priori information. The proposed search method includes previous Z search strategies as special cases. The distribution and mean of acquisition time have been developed for the proposed search strategies. With minimum mean acquisition time as objective, optimization of the starting position offset has been investigated
Keywords :
optimisation; pseudonoise codes; search problems; spread spectrum communication; codephase search; mean acquisition time; offset-Z search strategy; optimization; spread spectrum systems; starting position offset; Communications Society; Delay; Density functional theory; History; Military communication; Search methods; Signal design; Spread spectrum communication; Uncertainty;
Journal_Title :
Communications, IEEE Transactions on
