Wireless Pi Featured

Sixty Second Tech recently featured Wireless Pi on their website, the basic purpose of which is to promote partners and followers of Electronics Magazine (EDN). EDN is a leading source for reliable electronics design ideas, articles, how to articles and…
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Moving Average Filter

Coefficients of a moving average filter in time domain

The most commonly used filter in DSP applications is a moving average filter. In today’s world with extremely fast clock speeds of the microprocessors, it seems strange that an application would require simple operations. But that is exactly the case…
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A Beginner’s Guide to OFDM

OFDM slices the spectrum just like bread

In the recent past, high data rate wireless communications is often considered synonymous to an Orthogonal Frequency Division Multiplexing (OFDM) system. OFDM is a special case of multi-carrier communication as opposed to a conventional single-carrier system.  The concepts on which…
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Minimum Shift Keying (MSK) – A Tutorial

MSK as a special case of both non-linear and linear modulation schemes

Minimum Shift Keying (MSK) is one of the most spectrally efficient modulation schemes available. Due to its constant envelope, it is resilient to non-linear distortion and was therefore chosen as the modulation technique for the GSM cell phone standard. MSK…
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