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Cognitive Radios are secondary radio systems which can use the vacant bands of a Primary radio for communication. Cognitive radios are reconfigurable radios with signal processing and Machine learning capabilities. The spectrum usage is controlled by different spectrum regulatory authorities and agencies. Majority of the agencies are following a static spectrum allocation technique and CRs are looking...
The Manet or Mobile Ad-Hoc Networks are capable of forming wireless networks with different topologies. The radios which form the network uses a specific band, data rate and frequency. The paper focuses on the implementation of intelligent Mobile Ad-hoc NETwork (iMANET) in which wireless networks are established using reconfigurable radios so that intelligent networks can be formed. The nodes involved...
Agriculture and poultry waste are not managed properly in the Asian countries. Their practices need to be automated to improve the cost effective and to reduce waste out of production. We propose a framework that provides a system to monitor a green house, poultry and a fish tank. Using raspberry pi we can monitor and control the environment. IoT sensors and actuators are the key components to monitor...
The project titled “ONLINE FLOWER MARKETING SYSTEM USING MOBILE APPS” is a comprehensive system which co-ordinates various operations in flower shop by using the mobile application through the online. This includes a variety of collections of flowers and flower made products such as flower arrangements, flower bouquets, retails and etc. This project deals with the booking of various flower products...
The fifth generation (5G) network would be a key facilitator to keeping up to the future wireless application demands such as ultra-high data rate, ultra-wide radio coverage, ultra — low latency, large number of devices connected etc. Security is a crucial issue in the 5G network as wireless transmissions have the innate quality of vulnerability towards unfriendly breach or hacks. In this paper, security...
The 3-D objects used in 3D video games and virtual reality are hollow polygon meshes with textures applied on them. On the other hand, volume data representation not only stores the outer surface features, but also the features inside the volume. For example, visualization of 3-D MRI/CT data is all about showing the inside parts too. Visualizing volumetric data requires more video memory. Most of...
The Cognitive radios are intelligent Software Defined radios which is aware of its environment by scanning and identifying spectrum holes. The knowledge of the modulation scheme of the received signal is significant to judge the channel and configure the SDR to transmit and receive. The two broad fields of modulation recognition are pattern recognition and decision theoretic approaches. This paper...
Manet or Mobile Ad-Hoc Networks are self-forming networks which does not require a fixed infrastructure for its communication. Manet plays a critical role in Military Communication and Disaster Management system. Initially there will be multiple nodes with separate address assigned from an address pool, which will form the network when needed. Worm-hole attack and black-hole attack are the severe...
This paper presents the various Radix-2i FFT algorithms for OFDM technique used in wireless communications. A High data rate Wireless Personal Area Network systems will be used for various high speed multimedia applications. Orthogonal Frequency Division Multiplexing (OFDM) performs a major role in wireless communication, because the OFDM technique efficiently uses the bandwidth rather than other...
This work proposes sub-10nm p-TFET showing sub-60 mv/dec SS for several orders of current. An 8-T SRAM cell evaluation indicates that TFETs can perform like FinFETs near-threshold voltages while consuming 100x lower standby power.
Robust 6T SRAM design in 7nm technology node, at low supply voltage and rising leakage, requires ingenious design of FinFETs capable of providing reasonable Ion/Ioff ratio and acceptable short channel effects even under new leakage mechanisms such as direct source to drain tunneling. In this work, we explore asymmetric underlapped FinFET design with the help of quantum mechanical device simulations...
In this paper, a detailed device/circuit/system level assessment of sub-10nm GaSb-InAs Tunneling Field Effect Transistors (TFET) versus Silicon FinFETs operating at near-threshold voltages is reported. A source underlapped GaSb-InAs TFET is used to achieve lower subthreshold swings than previously reported TFETs and an analytical justification is provided to explain the observed improvement. Through...
The enhancement of voltage stability using Thyristor Controlled Series Capacitor (TCSC) and Static Synchronous Series Compensator (SSSC). The power system can limit the amount of power that can be transmitted in the system and therefore leads to voltage instability and under heavy loaded conditions there may be insufficient reactive power causing the voltages to drop. FACTS devices can regulate the...
Augmented reality is an emerging technology of Virtual Reality, which has a great development and application prospects. Augmented Reality involves knowledge about sensors, image recognition, computer vision, human-computer interaction, virtual reality, and many other areas. The key technologies include displaying, registration and tracking, interactive etc. There exist a number of augmented reality...
Vehicle's emission quality needs to be analysed and fine tuned as soon as it degrades below a safe limit. In countries like India vehicle emission quality is checked very rarely, hence the quality of the emission is very low than the standards. In order to monitor this we need a system which analyses it. Installing emission quality monitors in each and every vehicle will prove to be costly not just...
The amount of collected data in many scientific fields is increasing, all of them requiring a common task: extract knowledge from massive, multi parametric data sets, as rapidly and efficiently possible. This is especially true in astronomy where synoptic sky surveys are enabling new research frontiers in the time domain astronomy and posing several new object classification challenges in multi dimensional...
Fiber reinforced polymer (FRP) composites plays an important role in many industries; because weight to strength ratio is extremely high when compared to monolithic metals. One of the main limitations of FRP composites are the low mechanical properties due to the presence of polymer associated with it. To solve this problem, material engineers are investigating the use of different nanoparticles mixed...
The content protection for image-based 3D data is getting more importance with the advance of low cost 3D display devices. The depth-image-based rendering (DIBR) 3D image is one of the image-based 3D data which consists of the centre image and the depth image generated by the content provider. The left-eye image and the right-eye image are rendered from the centre image and the depth image at the...
FPGAs are playing a very significant role in software defined Radios (SDR) and Cognitive radios (CR). The SDRs and CRs are capable of running different waveforms which may use different modulation techniques, source coding and channel coding. These reconfigurable radios have to load the waveforms into the FPGA based on their requirements without interrupting the system. The user has to load large...
Near-threshold (near-VTH) operation of circuits by scaling the supply voltage (VDD) leads to maximum energy efficiency of the digital systems [1]. However, since the device characteristics are different in super-threshold (super-VTH) and near-VTH regions, devices optimized for standard VDD operation may be sub-optimal for low VDD operation [2]. Hence, there is a need to perform circuit-aware device...
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