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A hybrid DS/FH spread spectrum system for mobile radio channel: Performance and capacity analysis

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3 Author(s)
H. Asmer ; Dept. of Syst. & Comput. Eng., Carleton Univ., Ottawa, Ont., Canada ; A. Sheikh ; T. Gulliver

The performance of a hybrid direct sequence/frequency hopped (DS/FH) spread spectrum multiple access communication system is evaluated. The modulation considered is quadrature phase shift keying modulation. A mobile radio channel is investigated in the presence of interference and noise. Both deterministic and random signature sequences and memoryless random frequency-hopping patterns are considered. The maximum number of simultaneous users (capacity) at a desired level of bit error probability (10-3 - 10-2) and the spectrum efficiency are considered as performance measures. Simulation results for both synchronous and asynchronous hybrid systems are presented

Published in:

Vehicular Technology Conference, 1993., 43rd IEEE

Date of Conference:

18-20 May 1993