BER Performance for Downlink MC-CDMA Systems over Rician Fading Channels | Zendy

Zhihua Hou | Zendy; Vimal K. Dubey | Zendy

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BER Performance for Downlink MC-CDMA Systems over Rician Fading Channels

Author(s) -

Zhihua Hou,

Vimal K. Dubey

Publication year - 2005

Publication title -

eurasip journal on advances in signal processing

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.317

H-Index - 88

eISSN - 1687-6180

pISSN - 1687-6172

DOI - 10.1155/asp.2005.709

Subject(s) - rician fading , code division multiple access , fading , computer science , phase shift keying , bit error rate , maximal ratio combining , moment generating function , telecommunications link , channel (broadcasting) , electronic engineering , algorithm , mathematics , telecommunications , statistics , probability density function , engineering

We consider downlink multicarrier code-division multiple-access (MC-CDMA) systems using binary phase-shift keying (BPSK) modulation scheme and maximal ratio combining (MRC) in frequency-selective Rician fading channels. A time-domain method to obtain bit error rate (BER) by calculating moment generating function (MGF) of the decision variable for a tapped-delay-line channel model is proposed. This method does not require any assumption regarding the statistical or spectral distribution of multiple access interference (MAI), and it is also not necessary to assume that the fading encountered by the subcarriers is independent of each other. The analytical formula is also verified by simulations

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