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Listar por autor "Ghafoor, Kayhan Zrar"

Mostrando ítems 1-14 de 14

A smart handover prediction system based on curve fitting model for Fast Mobile IPv6 in wireless networks

Sadiq, Ali Safa; Abu Bakar, Kamalrulnizam; Ghafoor, Kayhan Zrar; Lloret, Jaime; Mirjalili, SeyedAli (Wiley: 12 months, 2014-07)

Seamless handover process is essential in order to provide efficient communication between mobile nodes in wireless local area networks. Despite the importance of a signal strength prediction model to provide seamless ...
Advanced mobility handover for mobile IPv6 based wireless networks

Sadiq, Ali Safa; Fisal, Norsheila Binti; Ghafoor, Kayhan Zrar; Lloret, Jaime (Hindawi Publishing Corporation, 2014)

We propose an Advanced Mobility Handover scheme (AMH) in this paper for seamless mobility in MIPv6-based wireless networks. In the proposed scheme, the mobile node utilizes a unique home IPv6 address developed to maintain ...
An adaptive handover prediction scheme for seamless mobility based wireless networks

Sadiq, Ali Safa; Fisal, Norsheila Binti; Ghafoor, Kayhan Zrar; Lloret, Jaime (Hindawi Publishing Corporation, 2014)

We propose an adaptive handover prediction (AHP) scheme for seamless mobility based wireless networks. That is, the AHP scheme incorporates fuzzy logic with AP prediction process in order to lend cognitive capability to ...
An Intelligent Vertical Handover Scheme for Audio and Video Streaming in Heterogeneous Vehicular Networks

Sadiq, Ali Safa; Abu Bakar, Kamalrulnizam; Ghafoor, Kayhan Zrar; Lloret, Jaime; Khokhar, Rashid (Springer Verlag (Germany), 2013-12)

In heterogeneous vehicular networks, the most challenging issue is obtaining an efficient vertical handover during the vehicle roaming process. Efficient network selection process can achieve satisfactory Quality of Service ...
Beaconing Approaches in Vehicular Ad Hoc Networks: A Survey

Ghafoor, Kayhan Zrar; Lloret, Jaime; Abu Bakar, Kamalrulnizam; Sadiq, Ali Safa; Ben Mussa, Sofian Ali (Springer Verlag (Germany), 2013-12)

A Vehicular Ad hoc Network (VANET) is a type of wireless ad hoc network that facilitates ubiquitous connectivity between vehicles in the absence of fixed infrastructure. Beaconing approaches is an important research ...
Frame-based mapping mechanism for energy-efficient MPEG-4 video transmission over IEEE 802.11e networks with better quality of delivery

Ke, Chih-Heng; Yang, Chong-Yi; Chen, Jiann-Liang; Ghafoor, Kayhan Zrar; Lloret, Jaime (Elsevier, 2015-12)

Recent developments in hardware, software and communication technologies have resulted in increasing interest in the use of wireless local area networks (WLANs). Mobile devices with embedded WLAN functionality are becoming ...
Green network protocols and algorithms

Lloret, Jaime; Ghafoor, Kayhan Zrar; Rawat, Danda B.; Nasser, Youssef (Elsevier, 2015-12)
Improved Geographical Routing in Vehicular Ad Hoc Networks

Ghafoor, Kayhan Zrar; Lloret, Jaime; Sadiq, Ali Safa; Mohammed, Marwan Aziz (Springer Verlag (Germany), 2015-01)

Vehicular Ad Hoc Networks (VANET) has emerged to establish communication between intelligent vehicles. The high mobility of vehicles and existing of obstacles in urban area make the communication link between vehicles ...
Improvement of SCTP congestion control in the LTE-A network

Najm, Ihab Ahmed; Ismail, Mahamod; Lloret, Jaime; Ghafoor, Kayhan Zrar; Zaidan, B. B.; Rahem, Abd Al-Razak Tareq (Elsevier, 2015-12)

Long Term Evolution-Advanced (LTE-A) is the fourth-generation wireless communication of mobile technology. LTE-A offers a scalable coverage as it possesses efficient throughput and ubiquitous connectivity. The congestion ...
Intelligent beaconless geographical forwarding for urban vehicular environments

Ghafoor, Kayhan Zrar; Abu Bakar, Kamalrulnizam; Lloret, Jaime; Khokhar, Rashid Hafeez; Lee, Kevin C. (Springer Verlag (Germany), 2013-04)

A Vehicular Ad hoc Network is a type of wireless ad hoc network that facilitates ubiquitous connectivity between vehicles in the absence of fixed infrastructure. Source based geographical routing has been proven to perform ...
Realistic and Efficient Radio Propagation Model for V2X Communications

Khokhar, Rashid Hafeez; Zia, Tanveer; Ghafoor, Kayhan Zrar; Lloret, Jaime; Shiraz, Muhammad (Korean Society for Internet Information, 2013-08-30)

Multiple wireless devices are being widely deployed in Intelligent Transportation System (ITS) services on the road to establish end-to-end connection between vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) ...
Routing Protocols in Vehicular Ad hoc Networks: Survey and Research Challenges

Ghafoor, Kayhan Zrar; Mohammed, Marwan; Lloret, Jaime; Abu Bakar, Kamalrulnizam; Zainuddin, Zaitul M. (Macrothink Institute, 2013-12-31)

A Vehicular Ad hoc Network (VANET) is a type of wireless ad hoc network that facilitates ubiquitous connectivity between vehicles in the absence of fixed infrastructure. Mul ti-hop routing and beaconing approaches are two ...
Seamless Outdoors-Indoors Localization Solutions on Smartphones: Implementation and Challenges

Maghdid, Halgurd S.; Lami, Ihsan Alshahib; Ghafoor, Kayhan Zrar; Lloret, Jaime (Association for Computing Machinery, 2016)

[EN] The demand for more sophisticated Location-Based Services (LBS) in terms of applications variety and accuracy is tripling every year since the emergence of the smartphone a few years ago. Equally, smartphone manufacturers ...
Underwater Ad Hoc Wireless Communication for Video Delivery

Sendra, Sandra; Lloret, Jaime; Jimenez, Jose M.; Ghafoor, Kayhan Zrar (Springer-Verlag, 2017)

[EN] Due to the high attenuation of the water at high frequencies, underwater communications in freshwater are not being investigated so much. Many current underwater communication systems are based on acoustic or optical ...