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- W2186012793 abstract "IEEE 802.16, is Worldwide Interoperability for Microwave Access (WiMAX). It is a wireless broadband standard which promised high bandwidth over Long-range transmission. The standard specifies the air interface, including the medium access control (MAC) and physical (PHY) layers of broadband wireless access (BWA). Worldwide Interoperability for Microwave Access (WiMAX) provides specifications for both Line of sight (LOS) communication in the range of 10-66GHz (802.16c) and Non-LOS communication in the range of 2-11GHz (802.16a & 802.16d)(1). The WiMAX technology play a key role in fixed broadband wireless metropolitan area networks. The major drawback of WIMAX system is high BER and as BER increases , signal to noise ratio decreases. It means, the less the BER result is the higher the SNR and the better communication quality .Hence in order to fill the gap there is great necessity to optimize the BER so that performance of WIMAX is increased. In this paper, the performance of WiMAX PHY layer using MC-CDMA as a transmission technique with LDPC coding mechanisms is investigated over different modulation technique. These codes can be used for various code rates. The proposed work will focus on development and implementation of WIMAX MC - CDMA system using LDPC coding techniques .BER performance is observed for these codes under different conditions. BER versus Eb/No curves shows comparison between the modulation technique for different coding mechanism. The results show that the proposed scheme achieves significantly higher BER performance as compared to existing schemes." @default.
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- W2186012793 date "2012-01-01" @default.
- W2186012793 modified "2023-09-27" @default.
- W2186012793 title "Performance Evaluation Of WIMAX MC-CDMA system using LDPC Coding" @default.
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