Frequency Modulation (FM) is as old as the history of wireless communications itself. The past few decades saw the rise
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Category: Wireless/SDR
Wireless communications and Software Defined Radio (SDR)
Cascaded Integrator Comb (CIC) Filters – A Staircase of DSP
In olden days, people used to have lots of kids. A famous Urdu satirist once wrote: "It has been observed
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The Heterodyne Principle and the Superheterodyne Receiver
During World War I, Edwin Howard Armstrong invented the superheterodyne Rx as an alternative to the Tuned Radio Frequency (TRF)
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Understanding LoRa PHY (Long-Range Physical Layer)
LoRa PHY (Long-Range Physical Layer) is a very exciting communication technique based on Chirp Spread Spectrum (CSS) modulation mixed with
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Effect of a Sampling Clock Offset on an OFDM Waveform
In an earlier article on the impact of a sampling clock offset on a single-carrier waveform, we explained the nature
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