Performance analysis of OFDM/64QAM system in cable channel 


Vol. 33,  No. 2, pp. 1-6, Feb.  2008


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  Abstract

In this paper, we simulated and evaluated the performance of OFDM/64QAM systems under cable transmission channel environment considering Middleton A class impulse noise and carrier frequency offset between transmitter and receiver. Then we evaluated the performance improvement degree by adopting adaptive equalizer for performance improvement scheme. From the performance analysis results, it is known that the performance is significantly varied according to the value of impulse noise index (A, Γ). Particularly, when impulse measuring index of pow 1 0 - 3 er line cable is such as A=0.2 and Γ=0.22, to achieve the condition of voice service QoS(BER =), SNR value must be larger than 19㏈. On the other hand, it is also found from the simulation result of OFDM/64QAM systems with frequency offset that most ICI component can be reduced by adopting adaptive equalizer and consequent performance is similar to the performance with no frequency offset.

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  Cite this article

[IEEE Style]

K. S. Park, "Performance analysis of OFDM/64QAM system in cable channel," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 2, pp. 1-6, 2008. DOI: .

[ACM Style]

Ki Sik Park. 2008. Performance analysis of OFDM/64QAM system in cable channel. The Journal of Korean Institute of Communications and Information Sciences, 33, 2, (2008), 1-6. DOI: .

[KICS Style]

Ki Sik Park, "Performance analysis of OFDM/64QAM system in cable channel," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 2, pp. 1-6, 2. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880