Wireless communication system with frequency selective channel OFDM modulation technique

Generally, the signal of wireless communication channels is distributed from the transmitter to the receiver in a multipath fading because of the dynamic environment in the wireless channel [1-4]. Since the multipath takes place in the wireless transmission, this means that the power of transmitted...

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Veröffentlicht in:Telkomnika 2020-06, Vol.18 (3), p.1203-1208
Hauptverfasser: Al Ibraheemi, Hayder, Ibraheemi, Mazen M. A. Al
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description Generally, the signal of wireless communication channels is distributed from the transmitter to the receiver in a multipath fading because of the dynamic environment in the wireless channel [1-4]. Since the multipath takes place in the wireless transmission, this means that the power of transmitted signal will be transformed from the transmission point to the reception point by a huge number of paths. The spaces between the modulating carriers are equal and their values are selected to make the carriers orthogonal with each other. [...]a cyclic prefix is inserted in the beginning of each symbol in order to resist the ISI resulted from the channel effects [6-8]. [...]for upcoming-generation of mobile wireless systems, the OFDM could be the leading technique [12]. [...]the world has witnessed sinifigent efforts in this area of study, OFDM, so as to transmite data streams with high bit rate.
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subjects Bandwidths
Communications systems
Data transmission
Multimedia communications
Spectrum allocation
Transmitters
Wireless communication systems
Wireless communications
title Wireless communication system with frequency selective channel OFDM modulation technique
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