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|Title:||A quasi-constant envelope quadrature overlapped modulation and its performance over non-linear band limited satellite channels||Authors:||Chen, X.H.
Quadrature overlapped modulation
|Issue Date:||Jul-1996||Citation:||Chen, X.H.,Oksman, J. (1996-07). A quasi-constant envelope quadrature overlapped modulation and its performance over non-linear band limited satellite channels. International Journal of Satellite Communications 14 (4) : 351-359. ScholarBank@NUS Repository.||Abstract:||A new quadrature-overlapped modulation (QOTRC modulation) with a quasi-constant envelope is proposed in this paper. The new modulation possesses fast-decayed spectral side lobes. Bandwidth efficiency and detection efficiency of the new modulation under coherent detection over a band-limited non-linear satellite channel are studied and compared with those of MSK (a constant-envelope modulation) and SQORC (staggered quadrature-overlapped raised-cosine) modulations. The results obtained in this paper show that the new modulation can offer a satisfactory bit error rate (BER), which is comparable to or even better than that of MSK and much better than that of SQORC (a previously reported quadrature-overlapped modulation), depending on the signal-to-noise ratios (SNRs) and system bandwidth.||Source Title:||International Journal of Satellite Communications||URI:||http://scholarbank.nus.edu.sg/handle/10635/54757||ISSN:||07372884|
|Appears in Collections:||Staff Publications|
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