Skip to content

Wireless Pi

Discover the Joy of Signals and Wireless

  • Home
  • Articles
  • Book
  • SDR Course
  • 5G PHY

Tag: Interpolation

Spectrum of the cascade of CIC filters with a wideband compensation filter for rate change factor 10, unit differential delay and 4 stages
November 24, 2022 DSP / Wireless/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

Continue reading
Multiple paths arriving at the Rx with different strengths and delays
May 9, 2022 Localization

Carrier Phase-Based Ranging in Indoor Multipath Channels

Indoor positioning is one of the core technologies behind the idea of Internet of Things (IoT). Some of the use

Continue reading
Linear interpolation between pilot subcarriers
July 18, 2022 Wireless/SDR

Channel Estimation in OFDM Systems

Channel estimation in single-carrier systems has been described in a previous article. In OFDM systems, each subcarrier acts as an

Continue reading
Farrow structure for cubic interpolation
January 11, 2022 DSP

Fractional Delay Filters Using the Farrow Structure

In the discussion on piecewise polynomial interpolation, we emphasized on the fact that the fractional interval $\mu_m$ needs to be

Continue reading
An increasing degree of polynomial approximation takes the filter closer and closer to an ideal sinc impulse response
January 11, 2022 DSP / Wireless/SDR

Interpolation in Digital Communication Receivers

Timing synchronization in a digital receiver is about finding the right symbol peak and the symbol rate at which digital

Continue reading
5G Physical Layer - An Easy Guide to Key Technologies
Learn about 5G physical layer through great visualizations, simple maths and intuitive explanations
A wireless channel with speakers and microphone
Send and receive wireless signals over the air without expensive SDR hardware through a speaker (Tx) and a microphone (Rx)

Consulting   |   Training
Newsletter   |   Contact   |   About

Copyright © Wireless Pi 2022

      

  • Privacy Policy
  • Terms of Use