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Showing Abstract of performance and Efficiency Improvement of OFDM-Based Wireless Communication Systems

 
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[ Abstract Viewed: | Pages: 6 ]

Title

performance and Efficiency Improvement of OFDM-Based Wireless Communication Systems

Topic: Published Year: 1395
Presentation:
Published in:

[ 3rd National Conference on Development of Civil Engineering, Architecure,Electricity and Mechanical in Iran ]

Original Language: English Full Text Size: Not Available

 

Abstract of the Article

 

Note: English CIVILICA is in its Trial Period so Full Texts can not be provided! Persian users can download it here

Download This article in PDF format performance and Efficiency Improvement of OFDM-Based Wireless Communication Systems

 

Author:

[ Mohammad Reza Ahadiat ] - Department of Electrical Engineering , Mehriz Branch, Islamic Azad University, Yazd, Iran

 

Abstract:

We consider the problem of finding low-complexity, bandwidth-efficient, and processing-power powerefficienttransmission schemes for a downlink scenario under the framework of diversity combining.Adaptive modulation and diversity combining represent very important adaptive solutions forthe future generations of communication systems. In order to improve the performance and theefficiency of wireless communication systems these two techniques have been recently used jointly innew schemes named joint adaptive modulation and diversity combining .The highest spectralefficiency with the lowest possible combining complexity, given the fading channel conditionsand the required error rate performance. Increase the spectral efficiency with a slight increase inthe average number of combined path for the low signal to noise ratio (SNR) range while maintainingcompliance with the bit error rate (BER).

 

Keywords:

BER, OFDM, WCDMA, DAB, DVB.

 

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