activity
20122024
most citedCoordinated Dynamic Spectrum Management of LTE-U and Wi-Fi Networks

99 citations · 197 across the 24 of their papers we have counts for

collaborators

27 papers

cs.NI2024★ 1 cited

Decentralized Multi-Party Multi-Network AI for Global Deployment of 6G Wireless Systems

Merim Dzaferagic, Marco Ruffini, Nina Slamnik-Krijestorac +21

Multiple visions of 6G networks elicit Artificial Intelligence (AI) as a central, native element. When 6G systems are deployed at a large scale, end-to-end AI-based solutions will…

eess.SY2024

Efficient and Timely Memory Access

Vishakha Ramani, Ivan Seskar, Roy D. Yates

This paper investigates the optimization of memory sampling in status updating systems, where source updates are published in shared memory, and reader process samples the memory f…

cs.NI2024

Design and Testbed Deployment of Frequency-Domain Equalization Full Duplex Radios

Manav Kohli, Mahmood Baraani Dastjerdi, Jin Zhou +4

Full-duplex (FD) wireless can significantly enhance spectrum efficiency but requires effective self-interference (SI) cancellers. RF SI cancellation (SIC) via frequency-domain equa…

physics.app-ph2023★ 5 cited

High-speed sensing of RF signals with phase change materials

Ranjan Kumar Patel, Yifan Yuan, Ravindra Singh Bisht +3

RF radiation spectrum is central to wireless and radar systems among numerous high-frequency device technologies. Here, we demonstrate sensing of RF signals in the technologically…

cs.NI2023

MEC-Intelligent Agent Support for Low-Latency Data Plane in Private NextG Core

Shalini Choudhury, Sushovan Das, Sanjoy Paul +3

Private 5G networks will soon be ubiquitous across the future-generation smart wireless access infrastructures hosting a wide range of performance-critical applications. A high-per…

cs.IT2023

Timely Processing Of Updates From Multiple Sources

Vishakha Ramani, Ivan Seskar, Roy D. Yates

We consider a system where the updates from independent sources are disseminated via a publish-subscribe mechanism. The sources are the publishers and a decision process (DP), acti…

cs.DC2022

Channel Estimation for Massive MIMO systems using Tensor Cores in GPU

Bhargav Gokalgandhi, Ivan Seskar

For efficient use of Massive MIMO systems, fast and accurate channel estimation is very important. But the Large-scale antenna array presence requires high pilot overhead for high…

cs.CV2022★ 2 cited

Smart City Intersections: Intelligence Nodes for Future Metropolises

Zoran Kostić, Alex Angus, Zhengye Yang +4

Traffic intersections are the most suitable locations for the deployment of computing, communications, and intelligence services for smart cities of the future. The abundance of da…

eess.SP2022★ 2 cited

Implementation of FGPA based Channel Sounder for Large scale antenna systems using RFNoC on USRP Platform

Bhargav Gokalgandhi, Prasanthi Maddala, Ivan Seskar

This paper concentrates on building a multi-antenna FPGA based Channel Sounder with single transmitter and multiple receivers to realize wireless propagation characteristics of an…

cs.DC2022★ 6 cited

Distributed Processing for Encoding and Decoding of Binary LDPC codes using MPI

Bhargav Gokalgandhi, Ivan Seskar

Low Density Parity Check (LDPC) codes are linear error correcting codes used in communication systems for Forward Error Correction (FEC). But, intensive computation is required for…

cs.DC2019★ 6 cited

Accelerating Channel Estimation and Demodulation of Uplink OFDM symbols for Large Scale Antenna Systems using GPU

Bhargav Gokalgandhi, Christina Segerholm, Nilanjan Paul +1

Increase in the number of antennas in the front-end increases the volume of data to be processed at the back-end. This establishes a need for acceleration in back-end processing. T…

cs.NI2018★ 2 cited

The Future of CISE Distributed Research Infrastructure

Jay Aikat, Ilya Baldin, Mark Berman +25

Shared research infrastructure that is globally distributed and widely accessible has been a hallmark of the networking community. This paper presents an initial snapshot of a visi…

cs.NI2017

Realization of CDMA-based IoT Services with Shared Band Operation of LTE in 5G

Shweta S. Sagari, Siddarth Mathur, Dola Saha +5

5G network is envisioned to deploy a massive Internet-of-Things (IoTs) with requirements of low-latency, low control overhead and low power. Current 4G network is optimized for lar…

cs.NI2017

Demo Abstract: CDMA-based IoT Services with Shared Band Operation of LTE in 5G

Siddarth Mathur, Shweta S. Sagari, Syed Obaid Amin +5

With the vision of deployment of massive Internet-of-Things (IoTs) in 5G network, existing 4G network and protocols are inefficient to handle sporadic IoT traffic with requirements…

cs.NI2017

Coexistence of Radar and Communication Systems in CBRS Bands Through Downlink Power Control

Neelakantan Nurani Krishnan, Ratnesh Kumbhkar, Narayan B. Mandayam +2

Citizen Broadband Radio Service band (3550 - 3700 GHz) is seen as one of the key frequency bands to enable improvements in performance of wireless broadband and cellular systems. A…

cs.IT2017

Coverage and Rate Analysis of Super Wi-Fi Networks Using Stochastic Geometry

Neelakantan Nurani Krishnan, Gokul Sridharan, Ivan Seskar +1

Recent regulatory changes proposed by the Federal Communications Commission (FCC) permitting unlicensed use of television white space (TVWS) channels present new opportunities for…

cs.NI2017

How Close Can I Be? - A Comprehensive Analysis of Cellular Interference on ATC Radar

Neelakantan Nurani Krishnan, Ratnesh Kumbhkar, Narayan B. Mandayam +2

Increasing data traffic demands over wireless spectrum have necessitated spectrum sharing and coexistence between heterogeneous systems such as radar and cellular communications sy…

cs.GT2015★ 59 cited

Prospect Pricing in Cognitive Radio Networks

Yingxiang Yang, Leonard T. Park, Narayan B. Mandayam +3

Advances in cognitive radio networks have primarily focused on the design of spectrally agile radios and novel spectrum sharing techniques that are founded on Expected Utility Theo…

cs.IT2015★ 99 cited

Coordinated Dynamic Spectrum Management of LTE-U and Wi-Fi Networks

Shweta Sagari, Samuel Baysting, Dola Saha +3

This paper investigates the co-existence of Wi-Fi and LTE in emerging unlicensed frequency bands which are intended to accommodate multiple radio access technologies. Wi-Fi and LTE…

cs.NI2015

Opportunistic Spectrum Allocation for Max-Min Rate in NC-OFDMA

Ratnesh Kumbhkar, Tejashri Kuber, Narayan B. Mandayam +1

We envision a scenario of opportunistic spectrum access among multiple links when the available spectrum is not contiguous due to the presence of external interference sources. Non…

cs.NI2014★ 1 cited

HetNetwork Coding: Scaling Throughput in Heterogeneous Networks using Multiple Radio Interfaces

Ratnesh Kumbhkar, Narayan Mandayam, Ivan Seskar

The explosive demand for data has called for solution approaches that range from spectrally agile cognitive radios with novel spectrum sharing, to use of higher frequency spectrum…

cs.NI2014

Evaluating Opportunistic Delivery of Large Content with TCP over WiFi in I2V Communication

Shreyasee Mukherjee, Kai Su, Narayan B. Mandayam +3

With the increasing interest in connected vehicles, it is useful to evaluate the capability of delivering large content over a WiFi infrastructure to vehicles. The throughput achie…

cs.NI2014★ 1 cited

Power Optimal Non-contiguous Spectrum Access in Multi Front End Radio Enabled Point-to-Point Link

Muhammad Nazmul Islam, Narayan B. Mandayam, Sastry Kompella +1

Non-contiguous spectrum chunks allow wireless links to flexibly access a wide amount of bandwidth. Multi- Channel Multi-Radio (MC-MR) and Non-Contiguous Orthogonal Frequency Divisi…

cs.NI2014★ 8 cited

Rate Optimal design of a Wireless Backhaul Network using TV White Space

Ratnesh Kumbhkar, Muhammad Nazmul Islam, Narayan B. Mandayam +1

The penetration of wireless broadband services in remote areas has primarily been limited due to the lack of economic incentives that service providers encounter in sparsely popula…