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Orthogonal frequency division multiplexing performance in delay and Doppler spread channels

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2 Author(s)
Harvatin, D.T. ; Dept. of Electr. & Comput. Eng., Colorado Univ., Colorado Springs, CO, USA ; Ziemer, R.E.

Orthogonal frequency division multiplexing (OFDM) is examined via digital computer simulation. Bit error performance of OFDM in a doubly spread channel is examined, and the effects of varying the guard interval and the number of carriers are demonstrated. The use of simulation as a design tool when doubly spread channel performance cannot be modeled mathematically is demonstrated. Simulations reveal that the designer has to strike a balance between the number of carriers and the guard interval in order to optimize performance and resource utilization

Published in:

Vehicular Technology Conference, 1997, IEEE 47th  (Volume:3 )

Date of Conference:

4-7 May 1997