Performance Analysis of OFDM base on 64-QAM in the Multipath Fading 


Vol. 32,  No. 12, pp. 396-402, Dec.  2007


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  Abstract

IEEE 802.11a system supports variable high-speed data rates from 6Mbps to 54Mbps that adopted modulation method as BPSK,QPSK,16QAM,64QAM. After modeling using Ricean random variable, that compares modulation method based on 64QAM with other method, and explores over with both the BER and Eb/No at the Physical layer and Mac Layer in the 802.11a wireless LAN. By analyzing the throughput with the mandatory data rate of 54 Mbps using 64QAM modulation based on CSMA/CA that considers transmission error, we find the fact that the higher the Eb/No be and the less the BER be, the higher the throughput be. We also fmd the fact that when the number of stations is decreased and the size of packet is increased, the throughput of DCF protocol is improved.

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  Cite this article

[IEEE Style]

E. Ha, "Performance Analysis of OFDM base on 64-QAM in the Multipath Fading," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 12, pp. 396-402, 2007. DOI: .

[ACM Style]

Eun-sil Ha. 2007. Performance Analysis of OFDM base on 64-QAM in the Multipath Fading. The Journal of Korean Institute of Communications and Information Sciences, 32, 12, (2007), 396-402. DOI: .

[KICS Style]

Eun-sil Ha, "Performance Analysis of OFDM base on 64-QAM in the Multipath Fading," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 12, pp. 396-402, 12. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880