454 Hits in 5.8 sec

Analysis Study of Path Rerouting And Handover Schemes for WATM/LEO Satellite Networks

2006 The International Conference on Electrical Engineering  
The mobility of users implies that it's possible for a mobile terminal (MT) to roam from one cell to another, while information transfer over the network is in progress.  ...  The ATM network features high-speed information transport and high efficiency of the switching capacity for the transport of broad-band integrated traffic by combining the advantages of traditional circuit-switching  ...  The cellular network irradiated on the earth by the multi-spot beam antenna from a satellite has been considered parallelogram shaped .Due to the high value of the satellite ground track speed V trk (about  ... 
doi:10.21608/iceeng.2006.33533 fatcat:ob6erfrehjafdej3ri2cixz6ey

An approach to Wireless Network: 6G Technology

Dr. Subhash Kumar Sharma, Dr Shailendra Kumar Srivastava, Satyam Srivastava
2022 International Journal for Research in Applied Science and Engineering Technology  
Wireless mobile communication is being used from many years, but day by day Need of facilities on mobile is increasing, so time to time next integrated Versions of network is introduced.  ...  But it is not end of the desires, the paper deals with the evolutions of technologies and its advantages and meet desires of user next generation of mobile network also introduced 6G.  ...  The Internet is the driving force for higher data rates and high speed access for mobile wireless users. This will be the motivation for an all mobile IP based core network evolution.  ... 
doi:10.22214/ijraset.2022.41698 fatcat:kvyzp3bjrrgkdfyuxs3pzxy4fa

OSCAR - an opportunistic call admission protocol for LEO satellite networks

S. Olariu, Rajendra Shirhatti, A.Y. Zomaya
2004 International Conference on Parallel Processing, 2004. ICPP 2004.  
In fact, one of the most important QoS parameters for LEO satellite networks is the call dropping probability (CDP), quantifying the likelihood that an on-going connection will be force-terminated due  ...  [Mer97] introduced two different mobility models for satellite networks.  ... 
doi:10.1109/icpp.2004.1327965 dblp:conf/icpp/OlariuSZ04 fatcat:dksafr546fal5ehkua4hvpcy4u

A Handoff Algorithm Based on Parallel Fuzzy Neural Network in Mobile Satellite Networks

Ning Li, Bin. Gong, Zhongliang Deng
2017 Journal of Communications  
In view of the existing problems of satellite network handoff, for instances, long handoff delay and unnecessary handoffs, this paper proposes a method based on a parallel fuzzy neural network handoff  ...   Abstract-In the next generation Internet, satellite will play a vital role in ensuring Always-Best-Connected, where handoff is essential.  ...  At present, the researches on satellite handoff based on the fuzzy neural network and fuzzy logic handoff are rare.  ... 
doi:10.12720/jcm.12.7.395-404 fatcat:ifs667lbo5df7pskkurlkcmsvq

Mobility management across hybrid wireless networks: Trends and challenges

Farhan Siddiqui, Sherali Zeadally
2006 Computer Communications  
We also discuss some of the capabilities of mobile terminals that are necessary to implement seamless mobility over hybrid wireless networks.  ...  Real deployment of such mobility strategies remains a significant challenge. In this article, we focus on handoff management.  ...  Handoffs in wireless overlay networks Handoff is the process by which a mobile terminal keeps its connection active when it migrates from the coverage of one network access point to another.  ... 
doi:10.1016/j.comcom.2005.09.003 fatcat:y5yxzbqbyzaknp35yi66aekpra

A Vision and Framework for the High Altitude Platform Station (HAPS) Networks of the Future [article]

Gunes Kurt, Mohammad G. Khoshkholgh, Safwan Alfattani, Ahmed Ibrahim, Tasneem S. J. Darwish, Md Sahabul Alam, Halim Yanikomeroglu, Abbas Yongacoglu
2021 arXiv   pre-print
A High Altitude Platform Station (HAPS) is a network node that operates in the stratosphere at an of altitude around 20 km and is instrumental for providing communication services.  ...  In this article, we provide a vision and framework for the HAPS networks of the future supported by a comprehensive and state-of-the-art literature review.  ...  Corresponding research investigations could be related to new communications techniques to compensate for the lack of enough HAPS system channels, the restricted transmission energy, or the detection without  ... 
arXiv:2007.15088v4 fatcat:6wcy7ndiebee3a3zvh7dymv6oq

Vertical Handoff Optimization in 4G Heterogeneous Networks

Alka Kamra
2017 IJARCCE  
These networks can have a node with the mobility. The problem begins when a node moves from the cluster to outside the range of a Cluster head.  ...  Out of these three, 802.11a can provide higher speeds within the various radio frequencies.  ...  The place for vertical handoff is not at the edge of the cell, it can take place anywhere. It can take place anytime anywhere, depending on the network condition and user preference.  ... 
doi:10.17148/ijarcce.2017.6669 fatcat:y7apd6sfa5efros7yhavn7xwoi

Handoff in cellular systems

N.D. Tripathi, J.H. Reed, H.F. VanLandinoham
1998 IEEE personal communications  
andoff is a process of transferring a mobile station (MS) from one base station (BS) or channel to another.  ...  Implementation of the handoff process is explained. Several mechanisms for evaluation of handoff-related system performance are described.  ...  Ravi Jain of Bellcore, Dr. Magnus Almgren of Ericsson, Dr. Sirin Tekinay of New Jersey Institute of Technology, and the referees of the article for their helpful suggestions.  ... 
doi:10.1109/98.736475 fatcat:dhqagnixqbgxtai373msqh4n6q

A Speed-Aware Handover System for Wireless Cellular Networks Based on Fuzzy Logic

Leonard Barolli
2008 Mobile Information Systems  
However, to make a better handover and keep the QoS in wireless networks is very difficult. In this paper, we propose a speed-aware handover system based on fuzzy logic.  ...  The mobile systems are based on cellular approach and the area is covered by cells that overlap each other.  ...  Acknowledgment The author thanks Japan Society for the Promotion of Science (JSPS) for supporting partially this work.  ... 
doi:10.1155/2008/786486 fatcat:gzsgzdmwkndvnin3zgnjfcaone

Vertical Handover Decision for Mobile IoT Edge Gateway Using Multi-Criteria and Fuzzy Logic Techniques

Amit Singh Gaur, Jyoti Budakoti, Chung-Horng Lung
2020 Advances in Internet of Things  
The MCVHD provides a lightweight solution that aims to achieving seamless connectivity for mobile IoT Edge Gateway over a set of heterogeneous networks.  ...  In this paper, we present a hybrid approach by integrating the multi-criteria based VHD (MCVHD) technique and an algorithm based on fuzzy logic for efficient VHD among Wi-Fi, Radio and Satellite networks  ...  Conflicts of Interest The authors declare no conflicts of interest regarding the publication of this paper.  ... 
doi:10.4236/ait.2020.104005 fatcat:3ektk3ak5zddngly2x4sbnkvwy

Application of 3G PCS technologies to rapidly deployable mobile networks

E. Cayirci, C. Ersoy
2002 IEEE Network  
Simulation results show that the VCL based architecture satisfies the requirement for rapid deployment and can provide acceptable grade of service.  ...  In this paper, a rapidly deployable PCS architecture based on our novel resource management scheme, namely, virtual cell layout (VCL), is introduced.  ...  In the simulations, we assumed that the UAV or satellite coverage was not available for MPRs. The mobility patterns of the terminals are on real data.  ... 
doi:10.1109/mnet.2002.1035113 fatcat:irpt4fsa65aylfpdnz7h7n3ora

High-Speed Satellite Mobile Communications: Technologies and Challenges

M. Ibnkahla, Q.M. Rahman, A.I. Sulyman, H.A. Al-Asady, J. Yuan, A. Safwat
2004 Proceedings of the IEEE  
This paper presents an overview of the future high-speed satellite mobile communication systems, the technologies deployed or planned for deployments, and the challenges.  ...  The challenges for future broadband satellite systems, therefore, lie in the proper deployments of state-of-the-art satellite technologies to ensure seamless integration of the satellite networks into  ...  Mouftah (University of Ottawa, Ottawa, ON, Canada) for their review.  ... 
doi:10.1109/jproc.2003.821907 fatcat:snyicgivbzfele2b7bq4hvqyuq

Enhancing Service Availability during Handover in Wireless Communication-Based Train Control Systems

2018 International Journal of Advanced Trends in Computer Science and Engineering  
The paper formulates the Global Systems for Mobiles railway (GSM-R)algorithmto help make decisions on when to handover with the objective of minimizing the handoff latency.  ...  The algorithm used is disruption free and quite effective in high speed train travel, and the handoff decision very efficient and more exact.Therefore, this will significantly improve service availability  ...  Its attention to the high speed subscribers is more for getting efficient communication system without any disruption. 3.2Handover process As a Mobile Station(MS) moves toward the edge of the Base Transceiver  ... 
doi:10.30534/ijatcse/2018/03732018 fatcat:oa5x2it7lrealltdjsuiksnzme

Global roaming in next-generation networks

T.B. Zahariadis, K.G. Vaxevanakis, C.P. Tsantilas, N.A. Zervos, N.A. Nikolaou
2002 IEEE Communications Magazine  
In this article global roaming is addressed as one of the main issues of next-generation mobile networks.  ...  An all-IP wireless/mobile network combined with inherited mobility schemes of each network layer and Mobile IP extensions is proposed.  ...  INTRODUCTION The rapidly growing demand for "anywhere, anytime" high-speed Internet access will be one of the major forthcoming challenges for mobile network operators.  ... 
doi:10.1109/35.983921 fatcat:wcsjlqxylnbm5lq4bsqwbrnfhe

Future mobile broadband wireless networks: a radio resource management perspective

Shalini Periyalwar, Bassam Hashem, Gamini Senarath, Kelvin Au, Robert Matyas
2003 Wireless Communications and Mobile Computing  
for servicing mobile users with varying quality of service requirements.  ...  The goal of this paper is to examine the key aspects of the evolution which impact radio resource management for the mobile broadband wireless network, and to emphasize the areas that need to be addressed  ...  Another aspect of research in an all-IP distributed cellular network is the support of soft handoff [25] to improve coverage at the cell edge.  ... 
doi:10.1002/wcm.174 fatcat:7mhqnbpwlnhzreggzi6zltvuji
« Previous Showing results 1 — 15 out of 454 results