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655 articles for “s-band”
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A Review on Algorithms of Cluster Head in Mobile Ad Hoc Networks
Abstract: AbstractMobile ad hoc networks consists of mobile nodes that communicates with each different with none mounted topology. Cluster head choice, energy consumption and security may be a great challenge for MANET recently. Optimizing cluster head choice minimizes the energy consumption during a specific network and in addition reduces the information transmission overheads. There are several algorithms for cluster head choice that are supported many parameters. For higher utilization of energy, …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 1–6 Read article
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Estimation of Semi-Blind Channel for Two-Way Relay by Using CRB: Pilot-based and Random Pilot-based
Abstract: The main purpose of semi-blind channel estimation scheme is for frequency-selective channel estimation, for multi-input and multi-output (MIMO) on relay networks, for using high bandwidth efficient use of spectrum. This scheme motivate to the low complexity of system to allow exchange information users to users by using an intermediate relay node. Because of superposition of signals at the relay node, section receiving signal at the user terminals is affected by …
Published in Current Trends in Signal Processing · Vol. 7, Issue 2, 2017 · pp. 22–31 Read article
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Multiband Antenna Designing using Proximity Coupled Technique
Abstract: AbstractIn this paper, author proposed a multiband antenna a circular patch and proximity coupled feeding technique. This feeding technique not only showed good result, it made the antenna multiband as well. Author fabricated this antenna to compare it with simulation result and found that fabrication results are also promising. This simulated antenna is a miniaturized four-band antenna which has the capability to operate at four distinguished frequencies. This proposed design …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 13–17 Read article
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Analysis of Low Bit Rate Audio Compression System using Linear Predictive Coding
Abstract: Abstract The point of the task is to build up a framework for encoding great quality discourse at a low bit rate. To execute this, we have utilized the most dominant discourse investigation system called Linear Predictive Coding (LPC). It utilizes tenth request Levinson-Durbin Recursion calculation to achieve the errand. It gives amazingly exact evaluations of discourse parameters and is moderately effective for computation. The discourse flag of guys and …
Published in Current Trends in Signal Processing · Vol. 9, Issue 1, 2019 · pp. 1–6 Read article
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Remote Sensing Accession from Imagery
Abstract: AbstractRemote sensing (RS) apt scaled from balloon-aided physical camera to multispectral regime after exploring of hyperspectral sensors made of integrated circuits. Device prosecutions to segment-wise deduction has studied to scale point to point explore. Multi-aspect in any consideration explored hyper-linking for any consideration. Band explore by sensors achieves coarse-to-fine adjustments for any investigation. Atmospheric absorption of linking radiant energy has subjected to incorporate additional algorithm to claim actual of actuals …
Published in Current Trends in Signal Processing · Vol. 9, Issue 3, 2019 · pp. 5–8p Read article
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Study of Cooperative Spectrum Sensing Techniques in Cognitive Radio Networks
Abstract: Cognitive radio is key enabling technology that enables next generation communication networks, also known as dynamic spectrum access network, to utilize the spectrum more efficiently in an opportunistic fashion without interfering with the licensed user. Its roots came from the discovery by regulatory bodies in various countries, which found that most of the radio frequency spectrum was inefficiently utilized. This was the reason for allowing unlicensed users to utilize licensed …
Published in Current Trends in Signal Processing · Vol. 7, Issue 1, 2017 · pp. 35–41 Read article
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Signal Transmission in Underwater Using Passive Time Reversal for Single and Multiuser
Abstract: This paper describes passive time reversal communications, which enables multiple users to send information simultaneously to the time reversal array. Experimental results at 3.5 kHz with a 1 kHz bandwidth demonstrate that as many as six users can transmit information over a 4 km range in a 120 m deep water using quaternary phase-shift keying (QPSK) modulation, achieving an aggregate data rate of 6 kb/s. Moreover, the same data rate …
Published in Current Trends in Signal Processing · Vol. 6, Issue 2, 2016 · pp. 49–54 Read article
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Embedding Dual Watermark in the G-Channel Image Using DCT and 2-D Walsh Code
Abstract: This paper uses two dimensional Walsh coding for blind twofold watermarking algorithm which mixes robust copyright watermark and authentication information into various color images to maintain the copyright ownership of the host images. First watermark i.e. fingerprint image is embedded in the DCT low frequency coefficients of the G-channel image of host image where as the second watermark i.e. mobile phone number is embedded in the DCT block of G-channel …
Published in Current Trends in Signal Processing · Vol. 5, Issue 2, 2015 · pp. 27–34 Read article
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A Correct and Simple Method of Writing PFC Codes
Abstract: Data compression (DC) is thriftiness in conveying information and is akin to précise that is, the goal is to convey the same or essential information using fewer resources. In electronic engineering, it occupies an important place because it reduces the size/amount of (i) memory required to store information just like précis reduces the size of an article; (ii) bandwidth required to transmit the information—just as less number of passengers means …
Published in Current Trends in Signal Processing · Vol. 4, Issue 3, 2014 · pp. 8–13 Read article
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Implementation of an Adaptive Filter Algorithm with Subband Filtering Approach on Acoustic Echo Cancellation
Abstract: This paper focuses on model and its realization on digital signal processors (DSP) for suppressing annoying acoustic echoes in telephone and mobile communication applications. For cost sensitive subscriber devices and high quality voice communications the aims are 1) minimum computational complexity 2) maximum convergence speed and 3) maximum echo attenuation. The chosen method for the echo cancellation involves a sub band decomposition performing the adaptive filtering in subbands at a …
Published in Current Trends in Signal Processing · Vol. 4, Issue 3, 2014 · pp. 28–34 Read article
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Hand Gesture Detections Using a Force Myography-Based on Wearable Wrist Strap
Abstract: We are familiar with gestures as a nonverbal form of communication and often use it during heated discussions. In this digital word of human-machine interactions, hand gesture is emerged as promising method of interaction. For this interactions, developing a control system for sensing hand gestures would be a primary objective. In this research paper we will be discussing one of such simple yet efficient hand grip and gesture detection method …
Published in Current Trends in Signal Processing · Vol. 11, Issue 2, 2021 · pp. 1–9 Read article
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Future Now: Network Architecture of 6G
Abstract: 5G networks are currently being rolled out in various parts of the globe and are expected to be done as the decade ends. However, with the continuously increasing demand for bandwidth and the need for automation, even the most advanced network architecture is expected to reach its capacity limit by 2030. The emergence of wireless technologies has led to the introduction of new infrastructure elements like High-Speed Packet Access (HSPA) …
Published in Current Trends in Signal Processing · Vol. 13, Issue 2, 2023 · pp. 18–23 Read article
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Developments of Fiber-reinforced Plastics
Abstract: This article is a description of fiber-reinforced plastic to subject composite, where individual constitutions have been reinforced to develop better properties than individual materials. Fiber-reinforced composite materials are alternatives over solitary metals or alloys in terms of strength, stiffness, density, and low cost with improved sustenance. Differential behavior from composited formation has functionally upgraded after usage from the equivalent differential proportion of filler added. Or add-in addendum has been implicated …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 2, 2021 · pp. 1–9 Read article
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Solutions to Overcome SQ Limits for Modelling Efficient Solar Cell and Introduction to Novel QD-MJSC Design
Abstract: AbstractHarnessing the solar power with maximum energy conversion efficiency can fulfill every electrical demand of the world. Depending on the designing of models, the commercial solar cell is being tested. To harness the entire energy on optimum cost, the material is selected in such a way that the overall outcome become beneficiary. In recent market available solar cell, there are still more criteria to be taken care of to improve …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 3, 2019 · pp. 37–46 Read article
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Optical and Photocatalytic Activity Of Cmc Capped Zinc Selenide Nanoparticles Under UV Light Irradiation Using Congo Red Dye
Abstract: In this work, we report the, optical, structural morphology and photocatalytic activity of CMC capped zinc selenide nanoparticles, which have been synthesized by hydrothermal method. CMC is acted as capping agent. The nanoparticles were characterized using XRD, SEM with EDAX, AFM, TEM and UV-Vis absorption spectroscopy. The structural properties of nanoparticles have been characterized by X-ray diffraction (XRD) analysis. The XRD patterns show a hexagonal Wurtzite crystal structure. The surface …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 3, 2019 · pp. 25–35 Read article
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A Novel Approach for Morphological Attribute Profiles with Partial Reconstruction
Abstract: The classification of satellite images are difficult because of human eyes can see the colour of visible light mostly in three bands (RGB). The main shortcomings of existing system are leakage problem (when regions related to different structures in the image by connecting fake links leads to missing of certain objects), objects expected to disappear at a certain threshold remain present when objects were connected. And then if the small …
Published in Journal of Control & Instrumentation · Vol. 10, Issue 1, 2019 · pp. 1–8 Read article
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Trend analysis of Normalized Difference Vegetation Index using Landsat Satellite data: Study from in and Gondar town, North West Ethiopia
Abstract: Abstract This current research study presents the change detection method for the study of Satellite image supported on Normalized Difference Vegetation Index (NDVI). NDVI utilizes the Multi-Spectral remote sensing data method to determine Vegetation Index, land cover classification, vegetation, water bodies, bush land, agricultural area, thick forest and thin forest with few bands grouping of the remote sensed data. Land resources are easily understood by calculating their Normalized Difference Vegetation …
Published in Journal of Control & Instrumentation · Vol. 10, Issue 3, 2019 · pp. 25–33 Read article
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Challenges and Solutions in Load Frequency Control: A Review of Controller Design
Abstract: The Load Frequency Control (LFC) of two area interconnected reheat thermal systems utilising a traditional proportional integral (PI) controller is described in this study. Boiler dynamics, a non-linear generating rate constraint, and a regulator dead band are all integrated into the system. When nonlinearities and boiler dynamics are considered, the traditional PID & P controllers do not produce sufficient control performance. To overcome this issue, a PI Controller has been …
Published in Journal of Control & Instrumentation · Vol. 14, Issue 3, 2023 · pp. 36–50 Read article
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Implementation of Weighted Round Robin Algorithm in Shared Bus Architectures
Abstract: AbstractThe application domain of System-On-Chips (SoC) includes mobile devices, end terminals, multimedia terminals, automotive, set-top-boxes, games, processors etc. The SoC design paradigm relies heavily on reuse of intellectual property cores, enabling designers to focus on functionality and performance of the overall system. This is possible if IP cores are equipped with highly optimized interface for plug and play insertion into communication architecture. To this purpose the virtual Socket Interface Alliance …
Published in Journal of Electronic Design Technology · Vol. 8, Issue 2, 2017 · pp. 34–40 Read article
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Implementation of FSO Link for Full Duplex Short Range Communication
Abstract: Extensive data transfer is a need of all modern communicating devices. Wired communication requires lots of bulky wires to be laid everywhere. To setup a small ad hoc network, it is not advisable to lay down long wires. Other than requirement of wires, one also needs very good communication speed to withstand the need of very high bandwidth for multimedia data transfer. A communication link that satisfies both the requirements …
Published in Journal of Electronic Design Technology · Vol. 7, Issue 2, 2016 · pp. 8–15 Read article