Title :
Multicarrier transmission with nonuniform carriers in a multipath channel
Author :
Nikookar, Homayoun ; Prasad, Ramjee
Author_Institution :
Dept. of Electr. Eng., Delft Univ. of Technol., Netherlands
fDate :
29 Sep-2 Oct 1996
Abstract :
The multicarrier technique, also called orthogonal frequency division multiplexing (OFDM), is a modulation method that can be used for high speed data communications. The transmission of a multicarrier (MC) signal with unequally spaced carriers through a multipath channel is studied. Different types of nonuniform carriers are considered. The effect of the multipath channel on this method of transmission is investigated. The influence of changing the number of carriers as well as the RMS delay spread of the channel on the performance of the system is studied and is compared with the equally spaced (uniform) MC method. The results can be used in the application of the adaptive MC technique for the future high speed wireless multimedia communication systems
Keywords :
adaptive systems; delays; frequency division multiplexing; modulation; multimedia communication; multipath channels; radiocommunication; OFDM; RMS delay spread; adaptive multicarrier technique; equally spaced multicarrier method; high speed data communications; high speed wireless multimedia communication; modulation method; multicarrier signal transmission; multicarrier technique; multipath channel; nonuniform carriers; orthogonal frequency division multiplexing; system performance; unequally spaced carriers; uniform multicarrier method; Binary phase shift keying; Chirp; Delay effects; Frequency modulation; Intersymbol interference; Multipath channels; OFDM; Out of order; Pulse modulation; Shape;
Conference_Titel :
Universal Personal Communications, 1996. Record., 1996 5th IEEE International Conference on
Conference_Location :
Cambridge, MA
Print_ISBN :
0-7803-3300-4
DOI :
10.1109/ICUPC.1996.562649
