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Displaying 26 - 50 of 116

MESSAGE FROM THE OUTGOING EDITOR-IN-CHIEF

August 31, 2018
Author(s)
Hamid Gharavi
After serving as the Editor-in-Chief for the past three years, I am very pleased to turn over the editorial torch to Dr. Yi Qian who served as the Associate Editor-in Chief during this time. Dr. Qian has been a long-time IEEE volunteer and has all the

A Fast Recursive Algorithm For Spectrum Tracking in Power Grid Systems

March 8, 2018
Author(s)
Hamid Gharavi
A major challenge for future wide area measurement systems is how to efficiently monitor and control the power system, which requires accurate and real-time tracking of the phase, frequency, and Power Factor (PF) of the system. The presence of inter and

Cooperative Vehicular Networking: A Survey

March 8, 2018
Author(s)
Hamid Gharavi
With the remarkable progress of cooperative communication technology in recent years, its transformation to vehicular networking is gaining momentum. Such a transformation has brought a new research challenge in facing the realization of cooperative

Wireless Infrastructure M2M Network For Distributed Power Grid Monitoring

October 1, 2017
Author(s)
Hamid Gharavi
With the massive integration of distributed renewable energy sources (RESs) into the power system, the demand for timely and reliable network quality monitoring, control, and fault analysis is rapidly growing. Following the successful deployment of Phasor

Network Coding in Relay-based Device-to-Device Communications

August 1, 2017
Author(s)
Hamid Gharavi
Device-to-Device (D2D) communications has been realized as an effective means to improve network throughput, reduce transmission latency, and extend cellular coverage in 5G systems. Network coding is a well-established technique known for its capability to

Synchrophasor Sensor Networks for Grid Communication and Protection

July 15, 2017
Author(s)
Hamid Gharavi
This paper focuses primarily on leveraging synchronized current/voltage amplitudes and phase angles measurements to foster new categories of applications, such as improving the effectiveness of grid protection and minimizing outage duration for distributed

Dynamic Appliances Scheduling in Collaborative MicroGrids System

May 1, 2017
Author(s)
Hamid Gharavi, Hasnae Bilil
Abstract—In this paper a new approach which is based on a collaborative system of MicroGrids (MG’s), is proposed to enable household appliance scheduling. To achieve this, appliances are categorized into flexible and non-flexible Deferrable Loads (DL’s)

Energy Efficiency Challenges of 5G Small Cell Networks

May 1, 2017
Author(s)
Hamid Gharavi
The deployment of a large number of small cells poses new challenges to energy efficiency, which has often been ignored in fifth generation (5G) cellular networks. While massive multiple-input multiple outputs (MIMO) will reduce the transmission power at

Space-Time Approach for Disturbance Detection and Classification

March 9, 2017
Author(s)
Hamid Gharavi
A major challenge facing future grid systems is to identify the source of abnormal behaviors caused by faults or voltage instability. In this paper Phasor Measurement Units (PMUs) have been considered for detecting disturbances and degradation in the grid

Distributed Control and Communications for Grid Systems

December 5, 2016
Author(s)
Hamid Gharavi
A major problem of the grid system is identifying the source of abnormal behaviors. It is particularly important to identify the areas in which the grid system suffers from power deficiencies due to fault or voltage instability. Phasor Measurement Units

An Effective Video Synopsis Approach with Seam Carving

January 1, 2016
Author(s)
Hamid Gharavi
With a growth of surveillance cameras, the amount of captured videos expands. Manually analyzing and retrieving surveillance video is labor intensive and expensive. It would be much more convenient to generate a video digest, with which we can view the

PIXEL FUSION BASED STEREO IMAGE RETARGETING

June 29, 2015
Author(s)
Hamid Gharavi
Image retargeting attempts to adapt images to different devices while preserving the salient contents. Most existing methods address retargeting of a single image. In this paper, we propose a novel image retargeting method for resizing a pair of stereo
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