J. Jackson Juliet Roy

Design and Performance Analysis of IoT-Enabled Wireless Sensor Networks for Industrial Automation

Md. Mottahir Alam, J. Jackson Juliet Roy, Rahul Kumar Das

Industry 4.0 has ushered in a need to equip industries with intelligent, interconnected, and adaptive systems higher than ever. WSNs have been an important part of this revolution through the use of Internet of Things (IoT) which enables real-time measurement, machine-to- machine …

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Application of Machine Learning in Fault Detection and Predictive Maintenance of Power Transformers

J. Jackson Juliet Roy, Md. Mottahir Alam

Transformers in which power is converted into and out of power systems are critical in achieving stability, efficiency, and reliability of modern power systems. Being essential resources of the transmission and distribution system, their breakdown may result in considerable economic losses, delays, …

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PAINT: Priority aware interference mitigation techniques for improving coexistence in home area networks of smart grid

Badrun Nahar, J. Jackson Juliet Roy, Amit Karmaker, Andrew David Craig et autres

Summary As smart grid (SG) home area networks (HANs) communicate with various smart devices such as meters, sensors, and actuators on a 2.4‐GHz unlicensed band, the coexistence of different wireless technologies in such networks is a common phenomenon due to the overlapping …

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Efficient cooperative mac protocol for enhancing qos of ieee 802.1.1.e edca

J. Jackson Juliet Roy

An efficient cooperative MAC protocol for enhancing QoS of IEEE 802.11e EDCA in saturated conditions

J. Jackson Juliet Roy, Md. Abubakar Siddik, Shafika Showkat Moni, Mohammad Shah Alam

Differentiating channel access probability based on only traffic priority can ensure QoS statistically in enhanced distributed channel access (EDCA) of IEEE 802.11e. However, it may seriously affect the overall performance in presence of degraded channel condition among distant stations. In this paper, …

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QoS guaranteed integration methodology for a WLAN–WiMAX heterogeneous network

J. Jackson Juliet Roy, V. Vaidehi, M.S. Sricharan

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Analysis of Frequency Reuse and Throughput Enhancement in WiMAX Systems

J. Jackson Juliet Roy, V. Vaidehi

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A QoS Weight Based Multimedia Uplink Scheduler for IEEE 802.11e WLAN

J. Jackson Juliet Roy, V. Vaidehi, S. Srikanth

Even though the basic IEEE 802.11 wireless local area network (WLAN) standard does not specify quality of service (QoS), the enhanced IEEE 802.11e draft defines hybrid coordination function (HCF) which provides QoS support by serving real-time delay bound multimedia applications with effective …

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A QoSWeightBasedMultimedia UplinkScheduler forIEEE802.11e WLAN

J. Jackson Juliet Roy, V. Vaidehi

EventhoughthebasicIEEE802.11Wireless LocalAreaNetwork(WLAN)standard doesnotspecify Quality ofService (QoS), theenhancedIEEE 802.11e draft defines HybridCoordination Function (HCF)which provides QoSsupportbyserving real-time delaybound multimedia applications witheffective allocation of Transmission Opportunity (TXOP).Theallotted TXOP toanyQSTAhastobeutilized efficiently toenhance the systemperformance. Thispaperproposes a novelQoS capable Station (QSTA)uplink scheduler alongwitha QoS capableAP (QAP)HCF …

Multimedia Supported Uplink Scheduling for IEEE 802.16d OFDMA Network

R. Perumalraja, J. Jackson Juliet Roy, S. Radha

In this paper we have proposed a multimedia supported uplink scheduler for IEEE 802.16d OFDMA network, which includes a proportional fair (PF) scheduler in base station (BS) and earliest due date scheduler (EDD) in subscriber station (SS). The PF scheduler in the …

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Always Best-Connected QoS integration model for the WLAN, WiMAX Heterogeneous Network

J. Jackson Juliet Roy, V. Vaidehi, S. Srikanth

This paper proposes a mechanism that supports always best-connected (ABC) quality of service (QoS) to the application in a heterogeneous network. The heterogeneous network consists of IEEE 802.11e WLAN and IEEE802.16d WiMAX access networks. The user equipment (UE) in the network is …

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Performance Analysis of a Dynamic Scheduler for VBR Services in IEEE802.16d Broadband Wireless

J. Jackson Juliet Roy, V. Vaidehi, S. Srikanth

In this paper, we propose a QoS guaranteed dynamic scheduler for IEEE 802.16d broadband wireless systems. The dynamic scheduler residing at the base station (BS) dynamically schedules the subscriber stations (SS) based on the present load of the system. The number of …

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