Abstract
This paper presents two pulse shapes. One pulse, obtained by amplitude modulating the Gaussian pulse by a modified sine pulse, offers much less intersymbol interference (ISI) than that offered by the Gaussian pulse modulated in amplitude by a sinc pulse. The other pulse, obtained by convolving the modified sinusoidal frequency shift keying (MSFSK) pulse with a square pulse, requires lesser bandwidth than that required by the pulse, obtained by convolving the sinusoidal frequency shift keying (SFSK) pulse with a square pulse. The power density spectra of the proposed pulses are much narrower than those offered by the aforesaid pulses.
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