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Grover A.,SBSSTC
Proceedings - 1st International Conference on Artificial Intelligence, Modelling and Simulation, AIMS 2013 | Year: 2014

The increasing market of portable electronics devices and battery powered portable electronic systems is making a pressure to the whole chip design industry to reduce the power dissipation of the electronics circuits so that battery backup can be increased. CMOS SRAM memory consumes almost 55% power of the total digital circuit. It is also said that memories are the power hungry devices in any digital system but today no digital system can be completed without memories. This article is based on the motivation of reduction of the dynamic power in SRAM memory and focuses on the analysis in terms of power dissipation, delay and area of the 7-transistor SRAM memory cell at 90 nm technologies by using the Tanner tool. The article targets towards short circuit power dissipation as well as switching power dissipation. The circuit is characterized by using the 90 nm technology which is having a supply voltage of 1.0 volts and threshold voltage is 0.3 volts. © 2013 IEEE. Source


Grover A.,SBSSTC
Proceedings - 1st International Conference on Artificial Intelligence, Modelling and Simulation, AIMS 2013 | Year: 2014

One of the techniques to achieve the different challenges in wireless communication systems is MIMO systems which ensure a wide coverage, high throughput and reliable services by enabling spatial dimension and by considering multiple numbers of transmitter and receiver antennas. In this article, the performance of ML and MMSE equalizers has been compared in terms of BER in Frequency selective and flat fading channels. The performance of MMSE is worst in frequency selective channel as compared to others. It has been concluded that the performance of ML is better among these two equalizers, specifically in case of Binary Phase shift Keying. © 2013 IEEE. Source


Grover A.,SBSSTC
Proceedings of International Conference on Computational Intelligence, Modelling and Simulation | Year: 2013

In this article the comparison of GDI and TG basedReversible Comparator circuits using 90 nm and 180 nmTechnology has been considered. Because of the applications ofthese circuits in different fields, these are also considered asfundamental requirement in quantum computing. Heretransistor implementation of the reversible gates is done byusing a combination CMOS-GDI circuit, TG Circuits, whichprovides the optimal solution for combinational logic, saving1/3 the power, half the area and 10% in delay relative to aCMOS implementation. GDI circuits provide some measure ofenhanced hazard tolerance and are more suitable for lowvoltage operation. Here transistor implementation of reversiblegates is done by using Tanner tools and H-spice tools. © 2013 IEEE. Source


Grover A.,SBSSTC
Proceedings of International Conference on Computational Intelligence, Modelling and Simulation | Year: 2013

Wireless communication technology has shown thatthe application of multiple antennas at both transmitter andreceiver sides improve the possibility of high data ratesthrough multiplexing or improve the performance throughdiversity as compare to single antenna systems. In this article,the BER performance of Maximum Likelihood (ML) -VerticalBells Lab Layered Space Time Architecture (V-BLAST)Spatial Multiplexing Technique using BPSK and QPSK hasbeen investigated in Rayleigh flat fading channel.Furthermore, the comparison of different multiple antennaconfigurations with BPSK and QPSK have been considered inthe given channel. It has been concluded that ML-VBLASTdecoding technique using BPSK modulation scheme givesbetter results than QPSK modulation technique in Rayleighchannel. More optimal results have been observed for 1×4antenna configuration for ML-V-BLAST system in Rayleighchannel. © 2013 IEEE. Source


Kaur A.,SBSSTC | Marwaha A.,Sant Longowal Institute of Engineering And Technology
International Journal of Applied Engineering Research | Year: 2015

Antennas employing credits of engineered materials and exhibiting special features are gaining interest with the evolution of communication systems. One of these applications is presented in this work. A new complementary split ring resonator (CSRR) based sensor is proposed for discovering surface cracks of very small size of the order of few micrometers. A resonator is used as a sensing unit to detect non-uniformities in a metal surfaces coated by an insulator layers, as it operates at lower frequencies. Sensing process involves disturbing the electromagnetic field in proximity of small resonators, causing a variation in the resonant frequency. In this paper, a correlation of crack width and depth with shift in the resonant frequency of conventional CSRR and Complimentary Spiral Resonator (CSR) is analyzed. A CSR arrangement can be an advantage to be employed in sensor designing because of operating at a low frequency as compared to CSRR. © Research India Publications. Source

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