Saleem Ullah

ORCID: 0000-0002-5922-3626
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About
Contact & Profiles
Research Areas
  • Energy and Environment Impacts
  • Hybrid Renewable Energy Systems
  • Water Quality and Pollution Assessment
  • Water resources management and optimization
  • Opportunistic and Delay-Tolerant Networks
  • Caching and Content Delivery
  • Mobile Ad Hoc Networks
  • IoT and Edge/Fog Computing
  • Heavy metals in environment
  • Internet of Things and AI
  • Groundwater and Isotope Geochemistry
  • Geochemistry and Geologic Mapping
  • Blockchain Technology Applications and Security
  • Software-Defined Networks and 5G
  • Electric Vehicles and Infrastructure
  • Microgrid Control and Optimization
  • Network Traffic and Congestion Control

National University of Sciences and Technology
2021-2022

COMSATS University Islamabad
2021

Institute of Space Technology
2018

Khwaja Fareed University of Engineering and Information Technology
2017

Islamia University of Bahawalpur
2014-2017

Shah Abdul Latif University
2017

Allama Iqbal Open University
2015

Wireless communication networks are highly prone to security threats. The major applications of wireless in military, business, healthcare, retail, and transportations. These systems use wired, cellular, or adhoc networks. sensor networks, actuator vehicular have received a great attention society industry. In recent years, the Internet Things (IoT) has considerable research attention. IoT is considered as future internet. future, will play vital role change our living styles, standards,...

10.14569/ijacsa.2017.080650 article EN cc-by International Journal of Advanced Computer Science and Applications 2017-01-01

The present study investigated heavy metal (HM) concentrations in water and sediment of the Kunhar River its tributaries Kaghan valley, Northern Pakistan. highest mean concentration was observed for iron (Fe) 316 ± 47.4 µg/L lowest cadmium (Cd) 2.45 0.31 upstream this study. hazard quotient value 0.43 calculated children through downstream consumption. HM used calculation pollution index evaluation , showing a low level contamination. found Fe 35500 2700 mg/L Cd 1.96 0.23 River. Pollution...

10.1080/10106049.2021.1926557 article EN Geocarto International 2021-05-05

Renewable energy systems are the promising source of future sustainable energy. Presently, based on hybrid renewables sources lucrative and have a negligible carbon footprint. These types evolving as progressively successful choice for rural areas especially accessibility from grid is poor. This study exhibits optimum design, sizing, economic feasibility PV- diesel-based renewable systems. Particular environmental conditions, specifications system, daily requirement data specific site in San...

10.1080/15435075.2021.1954007 article EN International Journal of Green Energy 2021-08-12

Developing countries are facing many electricity crises such as low production, worst power outages, blackouts, and poor inadequate supplies. Most of their rural areas have no basic infrastructure it requires long transmission lines, which causes high installation, operation, maintenance costs line losses issues. The people these unconnected belong to low-income families use kerosene oil, candles, small solar panels, batteries meet needs. As an alternative, renewable-based hybrid energy...

10.1177/0958305x221133256 article EN Energy & Environment 2022-11-01

Abstract We study the challenging problem of network partitioning and merging in context with mismatch resilience logical structure distributed hash table (DHT)‐based routing protocols for mobile ad hoc networks (MANETs). The existing DHT‐based approaches MANETs do not consider networks, which occurs because limited transmission range mobility nodes. In this paper, we identify that is aggravated when are merged, directly depends upon shape nodes arranged according to their identifier. To...

10.1002/ett.2969 article EN Transactions on Emerging Telecommunications Technologies 2015-08-11

Congestion in wired networks not only causes severe information loss but also degrades overall network performance. To cope with the issue of efficiency, this paper we have pro- posed and investigated an efficient mechanism for congestion control by selection appropri- ate window size proactive avoidance, which improves system performance efficiency. The main objective work is to choose accurate con- gestion based on available link bandwidth round trip time (RTT) cross grid topologies,...

10.4236/cn.2014.62013 article EN Communications and Network 2014-01-01
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