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365 articles for “Channel”
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Numerical Modelling and Simulation of Improved Partial Transmit Sequence for PAPR Reduction in OFDM Communication System
Abstract: Channel capacity and peak average to power ratio are essential elements in offering dependable communication through wireless medium in this competing wireless communication system. The rating of an amplifier in an OFDM system, as well as prospective future candidates of 5G systems such as FBMC and UFMC, is affected by a high peak to average power ratio. The demand for channel capacity fluctuates due to the growing number of wireless …
Published in Recent Trends in Electronics Communication Systems · Vol. 8, Issue 3, 2021 · pp. 33–39 Read article
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Internet of Things: Threats and Security
Abstract: Security is the most important in today’s world as we have personal and confidential data which we do not want to share with anyone, but somehow attackers attack on our data and steal our identity. Same happens in IoT, attackers somehow attack on devices or communication channels and steal the data. This study reviews all the threats and security issues in IoT. Nowadays, devices are made in such a way …
Published in Current Trends in Information Technology · Vol. 12, Issue 2, 2022 · pp. 7–11 Read article
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Analysis of Signal Processing Algorithms for Bio-Medical Applications
Abstract: Epilepsy is a burdensome brain disorder, in which heavy seizures will happen again and again. Sudden explosion of electrical activity during the seizures will create a blackout for patients and it will break the body equilibrium, so patients may fall down. Epilepsy affects a large population around the globe. It may begin at any age and last for generations. It can be controlled by the surgical removal of the brain …
Published in Current Trends in Signal Processing · Vol. 12, Issue 3, 2022 · pp. 24–27 Read article
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Surface-Driven Capillary Flow of AqueousIsopropyl Alcohol in the Sudden Expansion PMMA Microchannels
Abstract: Author has fabricated the PMMA sudden expansion microchannels by the maskless lithography, hot embossing lithography, drilling, direct bonding and chip separation technique. The effect of channel aspect ratio on the surface-driven capillary flow is studied in the sudden expansion microchannels fabricated by PMMA as a polymeric material. Also, the effect of surface wettability on the surface-driven capillary flow is studied in the sudden expansion microchannels fabricated by PMMA. This study …
Published in Emerging Trends in Chemical Engineering · Vol. 4, Issue 2, 2017 · pp. 1–4 Read article
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Scanner and Display Installation on Petrol Engine Test Rig: Review
Abstract: In this project, we are going to develop a temperature scanner with display. It is a device that measures more than one temperature points or multi-channel. It is actually a multi-channel indicator that measures and displays signals of each channel one-by-one up to last channel and then returns to first channel and continues the process cyclically. This continuous cyclic process of measurement is called scanning. By using a temperature scanner, …
Published in Journal of Electronic Design Technology · Vol. 11, Issue 3, 2020 · pp. 28–33 Read article
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Image De-Hazing Using DCP
Abstract: Dim and Fog climate weakens the scene brilliance and causes trouble in distinctive the variety and surface of the scene. A significant stage in de-hazing is the recuperation of the worldwide air-light vector. Customary techniques for the most part decipher the RGB worth of the most splendid district in cloudiness pictures as the air-light. The earlier uses the measurable perception that far off view objects become the most cloudiness, misty …
Published in Journal of Electronic Design Technology · Vol. 13, Issue 2, 2022 · pp. 34–40 Read article
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BER Performance Analysis of MIMO With and Without Beamforming and Relaying Techniques
Abstract: The exponential surge in data traffic within contemporary communication systems has given rise to a challenge: a shortage in system information rates. To address these pressing issues, large-scale multiple-input multiple-output (MIMO) techniques have emerged as a promising solution. These advanced techniques not only enhance energy efficiency but also optimize spectrum performance, positioning themselves as a pivotal cornerstone for the forthcoming evolution of wireless communication systems. In wireless communication systems, fading …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 2, 2023 · pp. 1–7 Read article
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Experimental Studies on the Passive Capillary Flow of Non-aqueous Working Liquids in PMMA Microfluidic Devices of Rectangular Cross-Sections
Abstract: The polymethylmethacrylate (PMMA) microfluidic devices are fabricated by the maskless lithography, hot embossing lithography and direct bonding technique. The effects of liquid viscosity, surface wettability and channel aspect ratio on the surface-driven capillary flow of non-aqueous working liquids are studied in the fabricated PMMA microfluidic devices. The working liquids are ethylene glycol, isopropyl alcohol (IPA) and ethanol. These experimental studies will be useful to manipulate different non-aqueous working liquids inside …
Published in Journal of Polymer & Composites · Vol. 5, Issue 2, 2017 · pp. 29–33 Read article
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Microstructure and Mechanical Characterization of AA390 and Si3N4 Metal Matrix Composite Using Severe Plastic Deformation
Abstract: Metal matrix composites (MMCs) have significant attention in recent years due to their potential for improved mechanical properties compared to conventional monolithic materials. This study focuses on the microstructure and mechanical characterization of a MMC comprising AA390 aluminum alloy reinforced with Si3N4 particles. The severe plastic deformation (SPD) process, Equal Channel Angular Pressing (ECAP), was employed to fabricate the composite with enhanced mechanical properties. The ECAP method was chosen as …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 17–30 Read article
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Product Replacement Strategies for Perishable Inventory Systems using Queuing Theory
Abstract: Inventory management plays a crucial role in managing production processes as well as the supply chains. The study of inventory systems with perishable products has a special significance as it influences the cost and revenue of a firm. Product replacement strategies act like safeguards to the retailers (firms) dealing with the business of perishable products. An inventory system with perishable products and product replacement is studied. A finite capacity multi-channel …
Published in Journal of Production Research & Management · Vol. 2, Issue 1-2-3, 2012 · pp. 18–25 Read article
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Review Paper: Low Power SRAM Cell using FinFET Technology
Abstract: To make portable battery operated devices more efficient with low leakage current has become a major challenge with the technology scaling. As the technology is scaling, the bulk MOSFET faces various challenges which lead to increased leakage current. FinFET is the most encouraging substitute to bulk CMOS, because of the reduced short channel effect. The FinFET device based circuits portrays advantages with its better control over the device channel and …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 1, 2018 · pp. 43–47 Read article
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Analysis of M-ary Signaling for Weak Turbulence Regime in FSO Communication System
Abstract: Abstract: The need for high data rate LOS communication is accomplished using the Free Space Optical communication. Being a very cost-effective approach, it contributes to the easy set-up and deployment of point to point terrestrial link. It transmits the light signal in free space channel (air, vacuum etc.) using LASERs or LEDs and received via photodetector. In this paper, the channel is modelled using Lognormal turbulence model. This channel model …
Published in Trends in Opto-electro & Optical Communication · Vol. 9, Issue 1, 2019 · pp. 24–31 Read article
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The Evolution of Bio Crypt Keys: From Concept to Implementation
Abstract: With the rapid increase in data exfiltration due to cyber-attacks, Covert Timing Channels (CTCs) have emerged as a significant and sophisticated network security threat. These channels exploit inter-arrival times of data packets to exfiltrate sensitive information from targeted networks. Detecting CTCs increasingly relies on machine learning techniques, which use statistical metrics to differentiate between malicious (covert) and legitimate (overt) traffic flows. However, as cyber-attacks become more adept at evading detection …
Published in Journal of Control & Instrumentation · Vol. 15, Issue 2, 2024 · pp. 38–45 Read article
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Optimizing Marketing Campaigns Using Random Forest and A/B Testing
Abstract: Marketing initiatives play a vital role in driving business growth by reaching targeted consumer segments through tailored strategies across multiple channels. The success of these initiatives is influenced by various factors, including the type and duration of the campaign, the characteristics of the target audience, the communication channels employed, and the overall efficiency of each strategy. These factors collectively impact key performance metrics such as conversion rates, customer acquisition costs, …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 12, Issue 3, 2025 · pp. 01–09 Read article
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Study of Scaling of MOSFET on Various Electrical Characteristics using Silvaco TCAD Tool
Abstract: MOSFETs are the driving work horse of semiconductor industry. Over the years, the MOSFET device density has been continuously increasing owing to the reduction in channel length of MOSFET device. This article discusses the effect of scaling i.e. channel length and gate oxide thickness on various parameters like threshold voltage, transconductance, maximum drain current and subthreshold slope. It is important to consider that with scaling of the channel length; the …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 1, 2018 · pp. 11–19 Read article
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Performance Analysis of Fully Flexible Organic Humidity Sensor with Top-Contact and Bottom-Contact OTFTs
Abstract: Abstract: Organic field-effect transistor (OFET) based humidity sensors are extensively used nowadays due to their low cost, mechanically flexible and compatibility with lower temperature fabrication techniques that support the plastic substrate based device and circuit applications. This paper investigates the humidity dependence of performance of organic humidity sensor with Top-Contact and Bottom-Contact OTFTs. Subsequently, impact of channel length on sensor performance is analyzed. The humidity sensitivity of organic sensor drain …
Published in Journal of Semiconductor Devices and Circuits · Vol. 6, Issue 1, 2019 · pp. 26–34 Read article
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Comparative study of Drain current of Symmetric and Asymmetric DGMOSFET with simulation in Silvaco_TCAD Software
Abstract: For nano regime devices the double gate MOSFET is one of the most promising and attractive devices. The main idea of a Double Gate MOSFET is to control the Si channel very efficiently by choosing the Si channel width to be very small and by applying a gate contact to both sides of the channel. This concept helps to suppress short channel effects and leads to higher currents as compared …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 1, 2021 · pp. 1–13 Read article
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Performance Evaluation of Adaptive MIMO-OFDM System Model for Wireless Networks
Abstract: Enormous growth of wireless technologies and research trends in networking has developed many useful applications. Wireless networks with various protocols and standards are huge in demand because of the expansion of internet of things (IoT). All wireless networks demand for high data rate, low energy consumption, higher throughput, more reliability, better quality of services (QoS) and quality of information (QoI). This paper presents multiple in multiple out (MIMO) orthogonal frequency …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 1, 2017 · pp. 17–23 Read article
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Effect of Fragment Size and Contention Window on the Performance of IEEE 802.11 WLANs
Abstract: Wireless communications is, by any measure, the fastest growing segment of the communications industry. The IEEE has standardized the 802.11 protocol for wireless local area networks. The IEEE 802.11 standard has defined two different access mechanisms in order to allow multiple users to access a common channel, the distributed coordination function (DCF) and a centrally controlled access mechanism called the point coordination function (PCF). DCF is a carrier sense multiple …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 3, Issue 2, 2016 · pp. 6–12 Read article
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Review Paper To Design a Low Power CNTFET Based XOR Gate
Abstract: The continuous scaling down of Silicon technology leads to various critical challenges and reliability issues such as short channel effect, high leakage current, interconnect problems, etc. CNTFET is the most probable substitutes to traditional MOSFET. The CNTFET device based circuits portray advantages with its better control over the device channel, reduced leakage current, reduced short channel effects. The CNTFET based XOR gate circuits incur the minimum power and energy dissipation. …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 1, 2018 · pp. 48–53 Read article