The Antenna Isn't Shouting Into Emptiness
Even in classical electromagnetics, the part of physics we treat as “settled”, there’s a quiet weirdness hiding in plain sight. We draw a transmitter on one side of the page, a …
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Why Are Cellular Network Cells Hexagonal?
Look at Saturn’s north pole. There’s a storm, a perfect hexagon, wider than Earth, winds spinning at 320 kph, and it’s been there for over atleast 40 years (discovered in 1981).
29th November: My PhD, My People, My Memories
One year ago, on 29th November 2024, “Dr.” quietly got added to my name. But what stayed with me even more than the title is the day itself. The faces, the feelings, the relief, …
Conditional Mean, Variance, and MMSE
Understanding conditional statistics and the Minimum Mean Square Error estimator
Exploring PDF of Sum of Independent Exponential Random Variables
Computing the PDF for the sum of independent exponential and Gaussian RVs
PDF of Sum of Independent Exponential and Gaussian Random Variable
Deriving the closed-form PDF for the sum of independent Exponential and Gaussian random variables
Coding Random Variable Generation in MATLAB, Python & C++
Learn to generate random variables using three popular programming languages
A Brief Overview of What We Work On
In this short post I summarize what we work on. When I say “we”, I refer to the broader researcher community, of which I am a part. Our focus lies in revolutionizing wireless …
ICASSP 2023 Conference Travel to Rhodes Island
A Journey into Cutting-Edge Signal Processing and Inspiring Discussions
Lambert Function
Understanding the Lambert W function and its applications in communications
Optimization using MATLAB
Solving optimization problems using MATLAB, YALMIP, and CVX
Interference in Phased Array and Conservation of Energy
Understanding how energy is conserved in phased array systems and interference patterns
What is Cell-Free Massive MIMO ?
To understand cell-free massive MIMO conceptually, let’s begin with cellular networks. Many of us heard about cellular networks, and the term “cellular” stems from the fact that …
Helsinki Conference Travel
I recently had the opportunity to attend and present a joint work of my colleagues Sarvendranath, Unnikrishnan, myself and my supervisor Prof. Erik G. Larsson at the VTC2022 …
Integrating GraphComment to Wowchemy Static Website
This article summarizes the steps I have followed to add comments to my static website using GraphComment. My choice to go with GraphComment primarily is due to two following …
What is Channel Hardening and Favorable Propagation in Massive MIMO?
Technical jargons made simple
Wireless Future Podcast: Episode 1
Over a decade ago, the thought of many antennas at the base station was discouraged and criticized. But, here we are today when Massive MIMO technology has become a reality. Learn …
MATLAB LDPC Example
LDPC code which stands for low-density-parity-check code is one of many error-correcting codes. LDPC codes are also known as Gallager codes, in honor of its developer Robert G. …
Towards A Truly Connected World With 5G Technology
In June 2018, I have attended the VTC2018-Spring conference held in Porto, Portugal. In the conference, I have presented two papers in the areas of non-orthogonal multiple access …
Sarita Chebbi