Transceiver design for IRS-aided massive MIMO networks with rate-splitting

H Ge, N Garg, A Papazafeiropoulos… - IEEE Access, 2023 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS), equipped with multiple reflective elements, is an important
technology for improving the achievable rate and energy efficiency of communications …

Precoder feedback schemes for robust interference alignment with bounded CSI uncertainty

N Garg, AK Jagannatham, G Sharma… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article presents limited feedback-based precoder quantization schemes for Interference
Alignment (IA) with bounded channel state information (CSI) uncertainty. Initially, this work …

Improved rate-energy trade-off for SWIPT using chordal distance decomposition in interference alignment networks

N Garg, A Rudraksh, G Sharma… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper investigates the simultaneous wireless information and power transfer (SWIPT)
precoding scheme for K-user multiple-input-multiple-output (MIMO) interference channels …

Distributed Transceiver Design For Decentralized Estimation In Coexisting IoT Networks

N Garg, T Ratnarajah, VM Vakamulla… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
With the increasing number of applications of Internet of Things (IoT) devices, co-channel
interference is unavoidable among coexisting wireless networks, where multiple IoT devices …

Analog precoder feedback schemes with interference alignment

N Garg, G Sharma - IEEE Transactions on Wireless …, 2018 - ieeexplore.ieee.org
This paper presents two analog precoder feedback (PFB) schemes namely the simple PFB
(SPFB) scheme and the reduced PFB (RPFB) scheme for interference channels. In the first …

Precoder quantization vs channel quantization in interference channel with limited feedback

N Garg, G Sharma - 2017 Twenty-third National Conference on …, 2017 - ieeexplore.ieee.org
In this paper, we compare the precoder and channel feedback in interference channel (IC)
when interference alignment (IA) is used. In literature, the channel direction has been …

A quantization method for precoder feedback in interference channel

N Garg, G Sharma - 2016 International Conference on Signal …, 2016 - ieeexplore.ieee.org
In this paper, we modeled the precoder feedback for interference channel as a combinatorial
optimization problem. Conventionally, in limited feedback, chordal distance has been used …

Reduced dimension superimposed precoder feedback for interference alignment

N Garg, G Sharma - 2016 Twenty Second National Conference …, 2016 - ieeexplore.ieee.org
In this paper, analog feedback of precoder is proposed for K-user interference channel with
equal number of antennas at transmitters and receivers. We also consider the superimposed …

Rate loss analysis for precoder feedback in interference channel with imperfect CSI

N Garg, G Sharma - 2016 International Conference on Signal …, 2016 - ieeexplore.ieee.org
In this paper, we derive the rate loss upper bound for precoder feedback when imperfect
channel state information (CSI) is available in interference channel. The upper bound shows …

Distributed Precoding For Decentralized Estimation In Coexisting IoT Networks

N Garg, T Ratnarajah, VM Vakamulla… - Authorea Preprints, 2023 - techrxiv.org
With the increasing number of applications of internet-of-things (IoT) devices, co-channel
interference is unavoidable among coexisting wireless networks, where multiple IoT devices …