A Lego-brick approach to coding for network communication

N Ghaddar, S Ganguly, L Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Coding schemes for several problems in network information theory are constructed starting
from point-to-point channel codes that are designed for symmetric channels. Given that the …

Computing sum of sources over an arbitrary multiple access channel

A Padakandla, SS Pradhan - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
The problem of computing sum of sources over a multiple access channel (MAC) is
considered. Building on the technique of linear computation coding (LCC) proposed by …

An achievable rate region based on coset codes for multiple access channel with states

A Padakandla, SS Pradhan - IEEE Transactions on Information …, 2017 - ieeexplore.ieee.org
We prove that the ensemble of the nested coset codes built on finite fields achieves the
capacity of arbitrary discrete memoryless point-to-point channels. Exploiting its algebraic …

Achievable rate region for three user discrete broadcast channel based on coset codes

A Padakandla, SS Pradhan - IEEE Transactions on Information …, 2018 - ieeexplore.ieee.org
We consider the problem of developing coding techniques and deriving achievable rate
regions for discrete memoryless broadcast channels with three receivers (3-DBC). We begin …

A Lego-brick approach to coding for asymmetric channels and channels with state

N Ghaddar, S Ganguly, L Wang… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Coding schemes for asymmetric channels and channels with state are developed starting
from a pair of linear codes designed for symmetric channels. Guarantees on the block error …

Achievable rate region for three user discrete broadcast channel based on coset codes

A Padakandla, SS Pradhan - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
We present an achievable rate region for the general three user discrete broadcast channel
(DBC), based on coset codes. We identify an example of a three user DBC for which the …

A new achievable rate region for the 3-user discrete memoryless interference channel

A Padakandla, AG Sahebi… - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
The 3-user discrete memoryless interference channel is considered in this paper. We
provide a new inner bound (achievable rate region) to the capacity region for this channel …

Nested lattice codes for arbitrary continuous sources and channels

AG Sahebi, SS Pradhan - 2012 IEEE International Symposium …, 2012 - ieeexplore.ieee.org
In this paper, we show that nested lattice codes achieve the capacity of arbitrary continuous
channels with or without non-causal state information at the transmitter. We also show that …

Weighted parity-check codes for channels with state and asymmetric channels

CW Ling, Y Liu, CT Li - IEEE Transactions on Information …, 2024 - ieeexplore.ieee.org
In this paper, we introduce a new class of codes, called weighted parity-check codes, where
each parity-check bit has a weight that indicates its likelihood to be one (instead of fixing …

An Algebraic Framework for Multi-Terminal Communication.

AR Padakandla - 2014 - deepblue.lib.umich.edu
We consider the problem of developing coding techniques and characterizing information-
theoretic achievable rate regions for the following three multi-terminal communication …