Volume 11, Issue 1, January 2020

Energy Management Algorithm for Smart Home with Renewable Energy Sources
Pages: 1-5 (5) | [Full Text] PDF (531K)
Halim Halimi
Department of IT, Faculty of Natural Sciences and Mathematics/ University of Tetova, Tetova, R. N. Macedonia

Abstract - One of the major attributes of the smart grid is to integrate renewable and storage energy resources at the consumption sides. This paper presents the design, implementation of an embedded system that integrates solar and storage energy resources in smart home. Home energy management system (HEMS) in the smart home allows the customer to control, optimize and monitor the energy consumption and the energy conservation. In this paper, a brief overview on the architecture and functional modules of smart HEMS is presented. Then, the advanced HEMS infrastructures and home appliances in smart houses are thoroughly analyzed and reviewed. The home server monitors and controls the energy consumption and generation and controls the home energy use to reduce the energy cost. The remote energy management server aggregates the energy information from the home servers, compares them and creates statistical analysis information. We propose the control algorithm to efficiently manage the integrated renewable energy resources and the energy from the power system in aspect to minimize grid power costs at the individual home. The proposed HEMS architecture is expected to reduce user’s electricity cost significantly.
 Index Terms - Home Energy Management System, Renewable Energy and Control Algorithm
Blockchain Based Efficient Peer to Peer Authentication Model for Security and Privacy Challenges of Internet of Things (IOT)
Pages: 11-17 (7) | [Full Text] PDF (851K)
Rizwan Ali, M. Junaid Arshad
Department of Computer Science and Engineering, University of Engineering and Technology, Lahore

Abstract - Nowadays, the Internet of Things (IoT) have very crucial part in the life of our planet and in this system of things, there is a lot of exchange of fully automatic data, so for these objects, there is need to be verified and maintenance of data with verification of authenticity, because these objects are always targeted. There are catches for abuse. Given the nature of the IoT, it's almost impossible to imagine a centralized system for this parable. In this piece of research work, a decentralized system called a zone of trust has been proposed for creating the authenticity of data using blockchain. This is our best safe bet for maintaining data integrity with flexibility sustainability hinges. Each bubble has a manager that gives all its members a ticket which allows objects to use their ticket to prove their identity in the blockchain. This system uses asymmetric encryption algorithms to verify the authenticity of message encryption.
 Index Terms - IoT, Blockchain, Security, Privacy, Attacks, Bitcoin, Threats, RSA and Ledger
A Pragmatic Approach for the Performance Enhancement in Time Variant Channel Estimation for 3GPP LTE-Downlink
Pages: 18-25 (7) | [Full Text] PDF (506K)
Waqas Idrees, M.J. Arshad
Department of Computer Science and Engineering, University of Engineering and Technology, Lahore

Abstract - Exact estimation of the doubly specific versatile radio channels is basic to accomplish acceptable execution in wideband remote correspondence frameworks like 3GPP LTE. Pilot Assisted Channel Estimation (PACE) procedures like Linear Minimum Mean Squared Error (LMMSE), Least Square (LS) and so forth are utilized to assess the channel states at a specific time-recurrence lattice indicated by the pilot images. A model like Basis Expansion Model (BEM) is utilized to follow the doubly specific divert in time between the pilot images. BEM execution is touchy to the PACE results. Blemishes in the PACE results are unavoidable due to Inter Carrier Interference (ICI) at high speeds, changing sign to clamor proportion (SNR) of the framework and crisscross in the parameter esteems utilized in PACE counts. We can diminish the impact of such defects by forming the commotion at the high frequencies in broadened Fixed CE-BEM. Reproductions show a lessening in MSE by a factor of ≈ 2 when the LMMSE results, got at 0dB SNR, are utilized to follow the doubly particular channel at 300km/h.
 Index Terms - 3GPP LTE, Performance, LMMSE, BEM and Channel

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