RESEARCH PROFILE
RESEARCH PROFILE
Area of Expertise :
Wireless Communication Systems including Interdisciplinary Computing
5G / 6G Communications ▪ Millimeter Wave Communications ▪ AI enabled Wireless
Terahertz Communications ▪ Quantum Signal Processing ▪ Large MIMO Systems
Short Range Communications ▪ Cloud RAN ▪ Critical Communications
Present Research Activities :
Indigenous RADCOM receiver for Indian Defence
Designing and Development of Indigenous RADCOM receiver, as an Import Substitute, for Indian Defence, sponsored by DRDL, DRDO, Hyderabad, is in progress. The goal is practical implementation of Blind Equalizer and Detector for S-Band communication to develop advanced telemetry system to combat the effect of multipath interference for high data rate communication between airborne transceiver and ground station. Technology transfer for integration in practical system at DRDL, DRDO, Hyderabad is underway [Reference sanction no. DRDL/24/08P/0568/43193/CMM-II, dated March 29, 2019].
Distributed Radio Network for Inter Cyber Physical Systems
Development of a Test Bed for Fog based Distributed Radio Network Architecture to implement orchestration of 5G heterogeneous network to optimize network functionality over Cellular, Vehicular, and Industrial IoT network is under process. This is sponsored by One Time Grant (OTG), IIT Kharagpur, MHRD and DST under Inter Cyber Physical Systems (ICPS) scheme.
Terahertz Communication Research for 6G
Leading Terahertz Communication Research for 6G at IIT Kharagpur, sponsored by Samsung Research, Bangalore. Design of AI enabled Beamforming Algorithm using distributed Reconfigurable Intelligent Surfaces (RIS) with high success rate and extensive low complexity for directive concurrent transmissions in 140GHz wireless WPAN is under process. The research will result in Fast Converging Beamforming Module for enhanced QoS at user end in-terms-of high data rate, connectivity and multimedia quality.
Game Theory based AI for 5G and beyond
Carrying out research work on Game Theory based AI ABR control for Optimal Resource Allocation and User Scheduling Mechanism. Research is conducted by fund from Samsung Research, Delhi, target to develop a Game theory based algorithm to optimize adaptive bit rate decisions in video streaming with different constraints in terms of resource, information in terms of past/future throughput values and buffer queue behavior for ultra-dense 5G small cell network with link failure. Design has been extended for massive MIMO networks with mobility. This is a Low complex, low cost mechanism to enhance network throughput, QoS, and enhance user densification in 5G & Beyond Network resulting in higher Average Revenue Per User (ARPU) and reduction in Operating Expenditure (OPEX).
Past Research Highlights :
IEEE BAN Standardization Activity
Involved in the standardization activity for IEEE802.15TG6 Body Area Network (BAN), particularly on Emergency Handling Mechanism which ensured emergency signal detection under critical health situation from implant as well as wearable devices with a probability of 99.99%. This research was supported by Samsung Research, Bangalore. The solution is considered as one of the important IPs for IEEE BAN specification.
Network Architecture for Disaster Management
Designed and developed a Post Disaster Network Architecture to re-establish the telecommunication connectivity, which provides a unique and first of its kind solution for ‘Data Protection’ of communication network for disaster prone zones of India to help National Disaster Response Force (NDRF), Govt. of India. This has been funded by Min. of Comm. & IT, Govt. of India [Reference sanction no. 21(1)/2015-CC & BT, dated Sept. 30, 2015].
Non-linear Detector for Millimeter Wave
Designed a Blind Joint Equalization & Detection mechanism in presence of Non-linearity & Synchronization Errors for Millimeter Wave Communication. This has been acknowledged and appreciated by Qualcomm Inc., USA by Qualcomm Innovation Fellowship [Reference sanction no. 13000009891 (QINF 2017 INDIA FELLOWSHIP), dated August 13, 2017].
Radar Target Modeling
Involved in the development of Radar Target Modeling and Parameter Estimation, designed a prediction filter for spectral estimation of the target and adaptive waveform design. This is sponsored by AIRBUS Defence & Space, Airbus Group Innovations, Head of International Operations, France [Reference sanction no. IN10500170, dated June 03, 2015].
Phased Array Antenna
Designed a Wide-Band Millimeter-wave Phased Array Antenna with Beam Forming Module for 60GHz commercial communication system, applicable for Automotive Vehicle, Defence and Medical appliances. The innovation involves miniaturization of the antenna module, optimization of mutual coupling, and high frequency losses in the array antenna design to achieve wide impedance bandwidth and high gain. It is light weight, low profile, easily integrable with low production cost. The work is jointly sponsored by SERB (IMPRINT2), and Rosenberger Technologies Co. Ltd., China [Reference sanction no. SERB/F/12676/2018-2019; IMP/2018/001282, dated March 25, 2019].
Highlights of Interdisciplinary Research :
Research in Coherent Optical Communication
During stay at Chalmers Univ. of Tech., Sweden, Fiber Optic Comm. Research Centre (FORCE), developed signal processing algorithm for optical coherent receiver design targeted for Trans-Atlantic fiber communications. The design and solution was state-of-the-art in nature involving higher order digital modulation schemes in commercial fibre-optic communication. Also, developed and transferred a novel technology for Long Term Clock Synchronization in Wireless Sensor Networks which has been registered [IC1004 TD(12) 05038] during European Cooperation in the field of Scientific and Technical Research, Bristol, UK in 2012.
Intelligent Transportation system
Under Uchhatar Avishkar Yojana (UAY) Scheme, Govt. of India, designed Synchronization-Channel estimation algorithms and training pattern for Massive distributed MIMO based Intelligent Transportation System with two-way communication facility. Devised distributed coherence mechanism in presence of high interference profile for high speed mobility. This has resulted in development of a 5G based communication solution for Plug-in Hybrid Electric Vehicle (PHEV) Technologies in V2X mode (vehicle to anything) for Smart Indian Cities. This can be extended for Safety enabled communication link for high speed Digital Train Communication Network (DTCN). This project is sponsored by Min. of HI & PE, Govt. of India, and Tata Motors Ltd., Pune [Reference sanction no. 35-13/2016-TS.I, dated August 12, 2016].
AI enabled Wireless Communication
Leading research in AI enabled Wireless Communication for 6G at IIT Kharagpur under the umbrella of AI4ICPS Technology Innovation Hub (TIH), established under the aegis of the National Mission on Inter Cyber Physical Systems Initiative (NM-ICPS), DST, Govt. of India. Ericsson, Sweden is a collaborator to carry out this research work jointly.
Design Developed by Research Group :
Post Disaster Network Architecture Design
Designed a Post Disaster Network Architecture to re-establish the telecommunication connectivity, which provides a unique and first of its kind solution for ‘Data Protection’ of communication network for disaster prone zones of India to help National Disaster Response Force (NDRF), Govt. of India. This has been funded by MeitY, Govt. of India [Reference sanction no. 21(1)/2015-CC & BT, dated Sept 30, 2015].
Business and Social Impact : Development of this Post Disaster Network Architecture can help in saving thousands of lives, saving financial information, and important state data of borders. This App has been demonstrated to MeitY, Govt. of India and they have showcased this to different Industries during Industrial Meet at Delhi for commercialization.
Energy Efficient Radio Design
Designed an energy efficient radio architecture and associated transceiver for 100 Mbps data rate Ultra Wide-Band (UWB) Communication with an energy saving of 24% compared to existing traditional wideband radio design with commercial solution. The design was acknowledged by Samsung Research, Bangalore through ‘Best Innovation Award 2010'.
Business and Social Impact : Highly lucrative solution for IoT devices and network, Industrial IoT applications, and Medical Communication Systems including e-Healthcare Services to primary health centers and hospitals of rural India. The design approach has been implemented for designing commercial wireless USBs enabling very high data rate, high resolution system design over ultra wideband by Samsung Research India, Bangalore and solution was prototyped for UWB based low cost, low power USB port.
Tools Developed by Research Group :
App to Combat Natural Disasters in India
Developed mobile application named “NerQuake” useful for disaster alert generation, critical data evacuation from existing telecommunication infrastructure to help NDRF, under NDMA, Govt. of India during Natural Disasters. This has been funded by MeitY, Govt. of India.
Business and Social Impact : The App is capable of saving thousands of lives, important military and surveillance data of borders, and also guiding in optimal redeployment of disaster aware telecom infrastructure. It also helps in full-fledged stored database of rainfall and earthquake with proper time stamp information for the North Eastern States and Sikkim. This App has been demonstrated to Min. of Electr. & IT, Govt. of India in January, 2018 and they have showcased the solution to different Industries during Industrial Meet at Delhi for commercialization.
Prototype Developed by Research Group :
WiND : Fast Deployable UAV Network for 5G
Designed a fast-deployable communication network by integrating the Raspberry PI (RPI) development board with Unmanned Aerial Vehicle (UAV). RPI is used to set-up a Wi-Fi network and act as a brain of the quadcopter (UAV/Drone). The proposed network model is named Wi-Fi Network on Drone (WiND). The list of achievement of WiND includes Automatic synchronization Protocol of UAVs on the fly, Intelligent Configuration of WiND to manage connection disruption, A captive portal based alert system, on-site surveillance over the disaster region and simultaneously transmit the surveillance data to the rescue center.
Business and Social Impact : It is a cost-effective, user-friendly, and fast-deployable communication network applicable for UAV-based Energy Meter Inspection, UAV-Based Border infiltration inspection, UAV network for crowd management, Maintain QoS over Network at Social Gathering, Post Disaster Emergency Network Setup by UAV.
Millimeter Wave Phased Array Antenna for 5G and Beyond
Designed a Wide-Band Millimeter-wave Phased Array Antenna with Beam Forming Module for 60GHz commercial communication system for 5G and beyond applications. The prototype antenna module consists of a) broadband micro-strip antenna element, b) feeding mechanism, c) micro-strip to waveguide transition structure and d) metal fixture.
Business and Social Impact : It is a low cost, low profile, easily integrable, and light weight design applicable for Automotive Vehicular Communications, Large scale commercial UAVs, Directive communication systems for Cellular Applications, Antenna Design for 5G Radar Communication (RADCOM) for Defence Applications, Ultra-high Speed (Gbps) WiFi Antenna Design for Medical Appliances.
Commercial Product Developed by Research Group :
Millimeter Wave Phased Array Antenna for 5G and Beyond
Fabrication and testing of this Wide-Band Millimeter-wave Phased Array Antenna is under process for commercial use at Rosenberger Technol. Co. Ltd., China at their Kunshan, Jiangsu Province facility, which is a joint sponsor of this project along with SERB, Govt. of India. This has been patented by Indian Patent Application # 201931030816, July 30, 2019 [Reference sanction no. SERB/F/12676/2018-2019; IMP/2018/001282, dated March 25, 2019].
Business and Social Impact : It is a low cost, low profile, easily integrable, and light weight design applicable for Automotive Vehicular Communications, Large scale commercial UAVs, Directive communication systems for Cellular Applications, Antenna Design for 5G Radar Communication (RADCOM) for Defence Applications, Ultra-high Speed (Gbps) WiFi Antenna Design for Medical Appliances.
Media Outreach of Research :
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