Sachin Gajjar

ORCID: 0000-0002-7053-5970
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Research Areas
  • Energy Efficient Wireless Sensor Networks
  • IoT-based Smart Home Systems
  • Water Quality Monitoring Technologies
  • Mobile Ad Hoc Networks
  • Parallel Computing and Optimization Techniques
  • Energy Harvesting in Wireless Networks
  • GNSS positioning and interference
  • Embedded Systems Design Techniques
  • Geophysics and Gravity Measurements
  • Security in Wireless Sensor Networks
  • Underwater Vehicles and Communication Systems
  • Numerical Methods and Algorithms
  • Low-power high-performance VLSI design
  • Inertial Sensor and Navigation
  • Wireless Networks and Protocols
  • Robotics and Automated Systems
  • Artificial Intelligence in Healthcare
  • IoT and Edge/Fog Computing
  • Real-time simulation and control systems
  • Gaze Tracking and Assistive Technology
  • Hand Gesture Recognition Systems
  • Interconnection Networks and Systems
  • IoT and GPS-based Vehicle Safety Systems
  • Municipal Solid Waste Management
  • Advanced Frequency and Time Standards

Nirma University
2016-2025

<title>Abstract</title> Routing protocol based on Fuzzy C Means Clustering and Ant Colony Optimization for Underwater Wireless Sensor Networks (UWSN) is presented in this paper. The network consists of several underwater sensor nodes that transfer the data packets to Surface Station (SS). Protocol (FACOCRP) encompasses cluster formation, selection heads, inter-cluster routing protocol. (FCM) clustering technique used create clusters. Cluster heads are chosen by considering center into...

10.21203/rs.3.rs-5922628/v1 preprint EN cc-by Research Square (Research Square) 2025-02-03

Recent trends in field of wireless networks is setting up Wireless Sensor Networks that, senses specified parameter(s) related to environment; processes sensed data and wirelessly communicates it a base station.Such open whole new range applications, including precision agriculture, monitoring tracking vehicles, animals humans, battle-field surveillance, civil structural etc.All these applications require extended network lifetime, scalability, traffic balancing among nodes the...

10.5120/17022-7310 article EN International Journal of Computer Applications 2014-07-18

Wireless Sensor Network (WSN) applications range from simple data gathering to hard imagine fields like Internet of Things. For all the physical design space consists sensors extended with storage, power supply, computation and communication capabilities, so-called motes. These motes run network protocol programs that most time sleep, occasionally collect, process, store communicate Base Station (BS). The number proposals has increased but unfortunately mote studies not. This paper discusses...

10.1109/spin.2014.6776991 article EN 2014-02-01

This paper presents Fuzzy and Ant Colony Optimization (ACO) based MAC/Routing cross-layer protocol (FAMACRO) for Wireless Sensor Networks that encompases cluster head selection, clustering inter-cluster routing protocols. FAMACRO uses fuzzy logic with residual energy, number of neighboring nodes quality communication link as input variables selection. To avoid "hot spots", an unequal mechanism clusters closer to master station having smaller sizes than those far from it. Finally, ACO...

10.1016/j.procs.2015.01.012 article EN Procedia Computer Science 2015-01-01

A Wireless Sensor Network is a network of sensors that, senses specified parameter(s) related to environment; processes data locally or in distributed manner and wirelessly communicates information central Base Station. The Station analyzes initiates suitable response if required. research as whole suffers lack practical application scenarios for which such networks are the best solution. Researchers generally do not emphasize on domains they trying address. Therefore cannot accurately...

10.1109/raics.2011.6069266 article EN IEEE Recent Advances in Intelligent Computational Systems 2011-09-01

The job of developing a generic protocol framework for Wireless Sensor Networks (WSN) is challenging because, limited processing capabilities, memory and power supply sensor node make it difficult to cater requirements versatile applications these networks. This has forced researchers dissect the traditional layered design approach. As result cross layer protocols architectures that attempt exploit richer interaction among communication layers achieve performance gains with resources have...

10.1109/nuicone.2012.6493233 article EN 2012-12-01

Waste management has now become a necessary practice in all countries around the world. India generates approximately 65 million tons of garbage every year. The main challenge is to manage this waste. Conventional systems are not efficient much amount IoT can play dominant role handling waste and making any country greener more efficient. Time disposal important if ignored be health hazard. current system for local areas small densely populated cities inactive which causes spread over area....

10.1109/cscita55725.2023.10104960 article EN 2023-03-31

This paper presents Fuzzy Based Unequal Clustering Protocol (FUCP) for wireless sensor networks. The cluster head selection mechanism uses fuzzy logic with three node descriptors namely, residual energy, centerness respect to its neighbor, and quality of communication link neighbors selection. To avoid hot spots uniform network traffic distribution, FUCR unequal clustering. For this, is used distribution distance from master station decide number heads advertisement radius in a given area. A...

10.1109/natsys.2015.7489086 article EN 2015-12-01

Summary Underwater wireless sensor network (UWSN) is a made up of underwater nodes, anchor surface sink nodes or stations, and the offshore node. Energy consumption, limited bandwidth, propagation delay, high bit error rate, stability, scalability, lifetime are key challenges related to networks. Clustering used mitigate these issues. In this work, fuzzy‐based unequal clustering protocol (FBUCP) proposed that does cluster head selection using fuzzy logic as it can deal with uncertainties...

10.1002/dac.5581 article EN International Journal of Communication Systems 2023-08-14

Every year several road accidents take place solely credited to the potholes. In this paper, an Automatic Pothole Detection and Alert System is developed using ultrasonic sensor, accelerometer, stereo camera Global Positioning (GPS) integrated with Raspberry Pi. The system identifies a pothole, alerts rider generates location database of existing This in turn can create cautiousness riders, decrease number maintenance costs vehicles. experimental results state that able identify potholes 90%...

10.1109/indicon47234.2019.9030271 article EN 2021 IEEE 18th India Council International Conference (INDICON) 2019-12-01

This paper proposes latency and energy efficient flexible TDMA (LEFT), a medium access control (MAC) combined with routing protocol for data gathering from number of source nodes to master station (MS) in wireless sensor network (WSN). provides fairness, collision-free communication reduces idle listening, which saves energy. Data is reduced by allocating same transmission slots falling out interference range each other. Unlike conventional TDMA, LEFT flexibility through slot seizing,...

10.5815/ijcnis.2015.02.01 article EN International Journal of Computer Network and Information Security 2015-01-08

Present age technologies like Micro-Electro-Mechanical Systems for development of smart sensors, small transceivers and low-priced hardware are fueling increased interest in Wireless Sensor Networks. The task developing a generic protocol framework optimizing Networks is challenging because limited processing capabilities, memory power supply sensor node make it difficult to cater requirements versatile applications these networks. This has forced researchers dissect the traditional layered...

10.1145/2345396.2345454 article EN 2012-08-03

A Wireless Sensor Network is a network of sensors that senses specified parameter(s) related to environment; processes data locally or in distributed manner and wirelessly communicates information central Base Station. The Station analyzes initiates suitable response if required. complexities introduced by severely limited processing capabilities, memory power supply the sensor node at one end design needs versatile applications other have forced researchers dissect layered protocol process....

10.1109/raics.2011.6069374 article EN IEEE Recent Advances in Intelligent Computational Systems 2011-09-01

The whole world has been witnessing the gigantic enemy in form of COVID-19 since March 2020. With its super-fast spread, it devastated a major part and found to be most dangerous virus 21st Century. All countries went into lockdown control spread virus, economy dropped down an all- time low index. guideline avoid diseases like COVID- 19 at work is avoiding contact with people their belongings. It not safe use computing devices because may result by touching them. This paper presents...

10.1109/icaccs57279.2023.10113075 article EN 2022 8th International Conference on Advanced Computing and Communication Systems (ICACCS) 2023-03-17

Increasing development in embedded system, VLSI and processor design have given rise to increased demands from the system terms of power, speed, area, throughput etcetera. Most sophisticated applications consist processors; which now need an arithmetic unit with ability execute complex division operations maximum efficiency. Hence speed is critically dependent on operation. dividers use SRT algorithm for division. In IoT other typically radix 2 4 algorithms are used. The proposed lies...

10.1109/icsoftcomp.2017.8280077 article EN 2017-12-01

A combination of Wireless Sensor and Actuator Networks (WSAN) information technology is emerging as a promising mechanism for cost effective real time monitoring management solutions in variety domains. In this paper an "Agriculture Support System" developed using WSAN large scale commercial agriculture. It has potential providing higher crop yields, decreasing waste labor costs by real-time automatic agricultural parameters climatic conditions. test-bed implementation agriculture support...

10.1109/wispnet.2017.8299765 article EN 2017-03-01

Wireless Sensor Networks (WSN) have enormous potential because they expand human ability to monitor and interact remotely with the physical world. Smart sensor nodes called motes can collect huge amount of hitherto unknown data for a whole new class computing applications. Nevertheless, exploit WSN, it is required address peculiar limitations these networks resulting technical issues including mote design. To meet this trend, paper presents design development an ultra-low power (ULPM) using...

10.1109/icdccom.2014.7024714 article EN 2014-09-01

Modifying transmission control protocol (TCP) to improve its performance in wireless networks has been a long-standing research problem. Many methods have proposed TCPpsilas mobile adhoc (MANETs). Among them ad hoc TCP (ADTCP) uses an end-to-end approach which requires minimal changes at the sender and receiver, provides flexibility for backward compatibility, maintains semantics is TCP-friendly. It measurements detect congestion, disconnection, route change, channel error, each detection...

10.1109/indcon.2008.4768816 article EN 2008-12-01

10.1007/s40010-017-0353-x article EN Proceedings of the National Academy of Sciences India Section A Physical Sciences 2017-04-20

Environment monitoring and control has become a vital part of present-day to air pollution help in agriculture, fishery, shipping military operations. using traditional manually operated Weather Monitoring Stations requires skilled technicians for operation, is not scalable, demands human intervention, which increases the cost Station. To address these issues, authors have attempted design develop E-Sense, an Internet Things based environment system. E-Sense measures important parameters...

10.1109/sces50439.2020.9236768 article EN 2020-07-10

This Paper outlines the creation, construction, and evaluation of a Real-Time Voice Recognition System using TinyML on an Arduino Nano 33 BLE, hardware platform with limited resources. Tiny ML consists machine learning models that can be deployed low -energy resource- constrained embedded system. Real-time voice is used in virtual assistants like Siri, Google Assistant, Alexa, speech-to-text translation, vehicle Navigation, biometrics, home automation etc. The work presents implementation...

10.1109/ises58672.2023.00085 article EN 2021 IEEE International Symposium on Smart Electronic Systems (iSES) 2023-12-18
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