3 citations · 8 across the 11 of their papers we have counts for
13 papers
Distribution of -th Maximum Order Statistics of Independent, & Non-Identical SNR random variables in fading and its applications in
Srinivas Sagar, Athira Subhash, Sheetal Kalyani
This paper employs extreme value theory to establish the asymptotic distribution of the -th maximum order statistics of signal to noise ratio (SNR) for a fading channel wi…
The Rendezvous Between Extreme Value Theory and Next-generation Networks
Srinivas Sagar, Athira Subhash, Chen-Feng Liu +6
Promising technologies such as massive multiple-input and multiple-output, reconfigurable intelligent reflecting surfaces, non-terrestrial networks, millimetre wave communication,…
Instantaneous Channel Oblivious Phase Shift Design for an IRS-Assisted SIMO System with Quantized Phase Shift
Shashank Shekhar, Athira Subhash, Tejesh Kella +1
We design the phase shifts of an intelligent reflecting surface (IRS)-assisted single-input-multiple-output communication system to minimize the outage probability (OP) and to maxi…
Optimal phase shift design for fair allocation in RIS aided uplink network using statistical CSI
Athira Subhash, Abla Kammoun, Ahmed Elzanaty +3
Reconfigurable intelligent surfaces (RIS) can be crucial in next-generation communication systems. However, designing the {RIS} phases according to the instantaneous channel state…
SINR Analysis of an IRS Assisted MU-MISO System
Lakshmi Jayalal, Shashank Shekhar, Athira Subhash +1
In this work, we characterize the outage probability (OP) of an intelligent reflecting surface (IRS) assisted multi-user multiple-input-single-output (MU-MISO) communication system…
Max-Min Data Rate Optimization for RIS-aided Uplink Communications with Green Constraints
Athira Subhash, Abla Kammoun, Ahmed Elzanaty +3
Smart radio environments aided by reconfigurable intelligent reflecting surfaces (RIS) have attracted much research attention recently. We propose a joint optimization strategy for…
Joint Power-control and Antenna Selection in User-Centric Cell-Free Systems with Mixed Resolution ADC
Shashank Shekhar, Athira Subhash, Muralikrishnan Srinivasan +1
In this paper, we propose a scheme for the joint optimization of the user transmit power and the antenna selection at the access points (AP)s of a user-centric cell-free massive mu…
Outage Probability Expressions for an IRS-Assisted System with and without Source-Destination Link for the Case of Quantized Phase Shifts in fading
Mavilla Charishma, Athira Subhash, Shashank Shekhar +1
In this work, we study the outage probability (OP) at the destination of an intelligent reflecting surface (IRS) assisted communication system in a fading environment. A prac…
On the Asymptotic Performance Analysis of the k-th Best Link Selection over Non-identical Non-central Chi-square Fading Channels
Athira Subhash, Sheetal Kalyani, Yazan H. Al-Badarneh +1
This paper derives the asymptotic distribution of the normalized -th maximum order statistics of a sequence of non-central chi-square random variables with non-identical non-cen…
Cooperative relaying in a SWIPT network:Asymptotic analysis using extreme value theory for non-identically distributed RVs
Athira Subhash, Sheetal Kalyani
This paper derives the distribution of the maximum end-to-end (e2e) signal to noise ratio (SNR) in an opportunistic relay selection based cooperative relaying (CR) network having l…
Transmit Power Policy and Ergodic Multicast Rate Analysis of Cognitive Radio Networks in Generalized Fading
Athira Subhash, Muralikrishnan Srinivasan, Sheetal Kalyani +1
This paper determines the optimum secondary user power allocation and ergodic multicast rate of point-to-multipoint communication in a cognitive radio network in the presence of ou…
Joint power and resource allocation of D2D communication with low-resolution ADC
Muralikrishnan Srinivasan, Athira Subhash, Sheetal Kalyani
This paper considers the joint power control and resource allocation for a device-to-device (D2D) underlay cellular system with a multi-antenna BS employing ADCs with different res…
Asymptotic maximum order statistic for SIR in shadowed fading
Athira Subhash, Muralikrishnan Srinivasan, Sheetal Kalyani
Using tools from extreme value theory (EVT), it is proved that, when the user signal and the interferer signals undergo independent and non-identically distributed (i.n.i.d.) …