Paper Accepted at ACES
The paper “Digital Uncoupling of Coupled Multi-Beam Arrays” has been accepted at ACES’21. Co-authors are Sravan Pulipati, Viduneth Ariyarathna, Sirani Perea, Chamith Wijenayake, Leo Belostotski, and Arjuna Madanayake.
New NASA Project with Prixarc
RAND-lab@FIU has been selected as a sub-contractor for Prixarc, LLC, who is the prime on the NASA project "Energy Efficient High-Throughput Neuromorphic Processor for Deep Learning".
Virtual EM Support for Analog-Digital FEM Chip for Computational EM
RAND Lab (www.rand-lab.org) at FIU is pleased to announce a gift from Virtual EM Inc. (Ann Arbor, MI)(www.virtualem.com) to help fund foundational work on “Hybrid Analog-Digital Custom chip for Finite Element Method-based Solvers in Computational Electromagnetics”.
We are most grateful for Virtual EM's generous support.
New Paper in IEEE Trans. on Circuits and Systems-I: Regular Papers
The paper titled "A Fast and Fully-Parallel Analog CMOS Solver for Nonlinear PDEs" - a circuit theory and IC simulation paper dealing with the circuits and systems theory of analog non-linear computing for non-linear PDE problems - was accepted at IEEE Trans. on Circuits and Systems-I: Regular Papers.
The authors are Hasantha Malavipathirana, Nilan Udayanga, SI Hariharan, Soumyajit Mandal and Arjuna Madanayake. The work was supported by an STTR Phase-2 award from DARPA Defense Science Office (DSO) under the ACCESS program, via a sub-award from Ocius Technologies.
New Paper in IEEE Journal of Solid State Circuits (JSSC)
The paper titled “An Offset-Cancelling Discrete-Time Analog Computer for Solving 1-D Wave Equations” has been accepted at IEEE JSSC. Co-authors are Jifu Liang, Nilan Udayanga, SI Hariharan, Soumyajit Mandal and Arjuna Madanayake.
New Paper in Computer Networks Journal
The paper "A Versatile Experimental Testbed for Ultrabroadband Communication Networks Above 100 GHz " was accepted at Computer Networks.
Co-authors are Priyanshu Sen, Viduneth Ariyarathne, Arjuna Madanayake and Josep Jornet. The paper discusses our recent work on high-rate wireless communication system design and implementation for 100+ GHz testbeds.
New Paper in IEEE TCAS-II
Our paper "Spacetime Frequency-Multiplexed Digital-RF Array Receivers with Reduced ADC Count" has been accepted at IEEE Trans. on Circuits and Systems-II: Express Briefs.
The paper proposes multidimensional microwave systems that allows the direct RF-to-bits digitization on N antennas using N/M ADCs, where M=2,3,4,... depending on required field of view. This idea makes fully-digital mmW arrays having many elements a step closer as it reduces the burden of data conversation by 50%, 66%, 75%, 80% etc., when number of antennas are large. Unlike in analog-digital hybrid beamforming, where a phased-array combines M channels to a single ADC, the proposed method does not lead to loss of spatial degrees of freedom. However, there is a trade-off in cross-talk due to the linear multiplexing from multidimensional transformations in passive front-ends- that is the price you pay for significantly reduced ADC count.
The authors are Najath Akram, Viduneth Ariyarathne, Soumyajit Mandal, Leo Belostotski, Ted Rappaport, and Arjuna Madanayake.
Sravan Pulipati Defends His Ph.D.
Congratulations to Sravan Pulipati for defending his Ph.D on the topic “Design and realization of fully-digital microwave and mm-wave multi-beam array transceivers with FPGA/RF-SoC signal processing”. Many thanks to the committee, Drs. Elias Alwan, Shubhendu Bhardwaj, Satheesh Venkatakrishnan, and Todd Crowl.
RAND Lab Organized a 2-hour Tutorial on Light-Field Processing
RAND Lab Received Unrestricted Research Gift from MERL
Mitsubishi Electric Research Lab (MERL) has generously provided a research gift for unrestricted research in intelligent circuits at RAND. Thank you MERL and Dr. Rui Ma.
New Paper in IEEE Communications Conference (ICC)
The paper titled “Millimeter-Wave Antenna Array Diagnosis with Partial Channel State Information” has been accepted at ICC. Co-authors are George Medina, Akashdeep Jida, Sravan Pulipati, Rohith Talwar, Nancy Amala, Tariq Y. Al-Naffouri, Arjuna Madanayake and Mohammed E. Eltayeb. This work was led by Dr. Eltayeb at California State University, Sacramento, CA.
Re.Work Whitepaper on AI in 6G Wireless Out
RAND-Lab @FIU led an effort towards a AI 6G white paper from re.work. Read the white paper here.
Second Place Winner at RWW'2021
The paper titled ““MMIC GaAs X-band Isolator with Enhanced Power Transmission Response”, co-authored by Gregor Lasser, Dimitra Psychogiou, Zoya Popovich, and Arjuna Madanayake” won second place at RWW’2021 Student Paper Contest. The student author is at UC Boulder. Congratulations!
New Papers at IEEE ISCAS 2021
Two new papers accepted as lectures at IEEE Intl. Symp. on Circuits and Systems (ISCAS) 2021 to be held in Korea.
WLS Design of M-D Complex-Coefficient FIR Filters with Low Group Delay Using Second-Order Cone Programming, Authors are Darukeesan Pakiyarajah, Sakila Jayaweera, Chamira Edussooriya, Chamith Wijenayake, Arjuna Madanayake
Analog Switched-Capacitor Circuits for Solving the Schrodinger Equation,
Jifu Liang, Hasantha Malavipathirana, Si Hariharan, Arjuna Madanayake, Soumyajit Mandal
New Paper in IEEE TAES
The paper titled “A Fast Algorithm to Solve Delay Vandermonde Systems in Phased-Array Digital Receivers” has been accepted for publication at IEEE Trans. on Aerospace and Electronic Systems (TAES). Co-authors are Shirani Perera, Arjuna Madanayake Austin Ogle, Daniel Silverio, and Jacky Qi.
Talk on "Design of mm-wave Digital Building-Blocks for 6G Space Networks"
Dr. Arjuna Madanayake gave an invited talk on “Design of mm-wave Digital Building-Blocks for 6G Space Networks” at the NASA M-STAR at Florida International University organized by Dr. Daniela Radu.
Paper in IEEE TAP
The paper titled “Framework for the Co-Simulation of Antenna Arrays and Receivers” has been accepted at IEEE Trans. on Antennas and Propagation (TAP) - Communications. The authors are Leo Belostotski and Michal Okoniewski (University of Calgary), Adrian Sutinjo (Curtin University, Australia) and Arjuna Madanayake (FIU).
Paper on Full-Duplex Wireless Accepted at IEEE MTT
The paper titled “A Broadband Multi-Stage Self-Interference Canceller for Full-Duplex MIMO Radios” authored by Haixiang Zhao, Udara De Silva, Sravan Pulipati, Satheesh B. Venkatakrishnan, Shubhendu Bhardwaj, John L. Volakis, Soumyajit Mandal, and Arjuna Madanayake, has been accepted for publication at IEEE Microwave Theory and Techniques (MTT).
Najath Akram Starts at Jabil
Many congratulations for Dr. Najath Akram - our newest graduating Ph.D. - who begins working for Jabil in New Jersey in 2021. All the best of luck for your career.
Arjuna Madanayake Speaks at IEEE Miami Section
Arjuna Madanayake gave an invited seminar titled “Fully-Digital Microwave and mm-Wave Arrays for Wireless Communication Systems” via Zoom, on the invitation of Drs. Arif Sarwat and Osama Mohammed. Slides