What is Chirp Spread Spectrum?

Chirp Spread Spectrum: Here, we are going to learn what is Chirp Spread Spectrum? Features of Chirp Spread Spectrum, usages, etc.
Submitted by Anushree Goswami, on September 19, 2020

Chirp Spread Spectrum

Chirp spread spectrum (CSS) is based on a spread spectrum system of the method, which makes use of modulated chirp pulses of wideband linear frequency and its complete assigned bandwidth to put out and transmit a signal for the reason that the chirps make use of a broadband of the spectrum to process the information through encoding in the field of digital communication.

A chirp is a sinusoidal signal of frequency, which augments through boosting or drops off a lot over a period of time with a polynomial expression in the graph of time and frequency.

Features of Chirp Spread Spectrum

  • It is forceful in opposition to disturbances.
  • It is forceful in opposition to multipath fading.
  • It consumes low power.
  • It is simple and effortless to put into operation in silicon.


  • It was basically at the beginning considered for use to keep up with ultra-wideband for the accurate measurement between networks and with low-rate wireless networks in the band of 2.45 GHz.
  • It is best in case of applications, those which have requirements of low power usage and which in comparison necessitates low data rates in the range of 1 Mbit/s or less than that.
  • It is forceful in opposition to noise and multipath fading because it comprises the attributes of high BT Product.
  • It is also forceful in opposition to the Doppler Effect, which is standard in radio applications of smartphones.

Reference: Chirp spread spectrum

Algo tagged in: Dictionary – 'C'

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