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Optimizing the QoS of Ultra High and High Speed Moving Terminals in Satellite-Aided Cellular Networks

Abstract

This paper presents a new channel assignment technique based on a three-layer cellular architecture which optimizes the QoS of Ultra High-Speed (UHSMT) and High-Speed Moving Terminals (HSMT) in a congested urban area. The lower layer of the proposed architecture is based on a microcellular solution, for absorbing the traffic loads of Low Speed Moving Terminals (LSMT). The second layer is based on a macro-cell umbrella solution, for absorbing the traffic load of the HSMT. The higher layer is based on satellite cell and absorbs the traffic load of UHSMT. The results show that assigning the optimum number of channels in every layer, the QoS of UHSMT and HSMT are optimized, having a small bad effect on the QoS of LSMT.

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Author information

Correspondence to K. Ioannou.

Additional information

Konstantinos Ioannou was born in Patras, Greece, in 1975. He received the Diploma and the PhD in Electrical and Computer Engineering in 1998 and 2004, respectively, from the Polytechnic School of the University of Patras. His dissertation, elaborated at the Wireless Telecommunications Laboratory of the Department of Electrical and Computer Engineers, dealt with Channel Assignment Techniques, Handover Procedures, Traffic Modeling and Call Admission Policies in 2G, 3G Mobile Systems and Security Mobile Systems. During his Postgraduate Studies, he participated in many European and National Research Projects. Since the October of 1999, he is working as an Assistant Professor (under contract) at the Technological Educational Institute of Messolongi – Departments of Applied Informatics in Management & Economy Electronics and Informatics. During the last 2 years, he belongs also to the Technical Consultants Team of the Ministry of Public Order, regarding the C4I Olympic Security System, involved, among others, with TETRA and AVL subsystems. His scientific interests include Mobile and Satellite Communications, Wired and Wireless Networks, Handover and Channel Assignment Techniques and Communication Services. A lot of publications in scientific journals and conference proceedings – 27 and 40, respectively – document his research activity. Konstantinos Ioannou is a member of the Technical Chamber of Greece (TEE).

Ioannis Panoutsopoulos was born in Patras, Greece, in 1974. He received the Diploma and the PhD in Electrical and Computer Engineering in 1997 and 2003, respectively, from the Polytechnic School of the University of Patras. His dissertation, elaborated at the Wireless Telecommunications Laboratory of the Department of Electrical and Computer Engineers, dealt with Handover Procedures, Traffic modeling and Call Admission Policies in 2G and 3G Mobile Systems. During his Postgraduate Studies, he participated in many European and National Research Projects. Since the October of 2003, he is working as an Assistant Professor (under contract) at the Technological Educational Institute of Athens - Departments of Electronics and Informatics – teaching Antenna Theory, Electromagnetic Waves Propagation – Transmission Lines and Mobile Telecommunications Systems. During the last 2 years, he belongs also to the Technical Consultants Team of the Ministry of Public Order, regarding the C4I Olympic Security System, involved, among others, with TETRA and AVL subsystems. His scientific interests include Mobile and Satellite Communications, Wired and Wireless Networks, Handover and Channel Assignment Techniques and Communication Services. A lot of publications in scientific journals and conference proceedings – 12 and 18, respectively – document his research activity. Ioannis Panoutsopoulos is a member of the Technical Chamber of Greece (TEE).

S. Kotsopoulos was born in Argos-Argolidos (Greece) in the year 1952. He received his B.Sc. in Physics in the year 1975 from the University of Thessaloniki, and in the year 1984 got his Diploma in Electrical and Computer Engineering from the University of Patras. He is an M.Phil and Ph.D. holder since 1978 and 1985 correspondingly. He did his postgraduate studies in the University of Bradford in United Kingdom. Currently he is member of the academic staff of the Department of Electrical and Computer Engineering of the University of Patras and holds the position of Professor. He develops his professional life teaching and doing research at the Laboratory of Wireless Telecommunications (Univ. Of Patras), with interest in mobile communications, interference, satellite communications, telematics, communication services and antennae design. Moreover he is the (co)author of the book titled “mobile telephony”. The research activity is documented by more than 160 publications in scientific journals and proceedings of conferences. Ast. Professor Kotsopoulos has been the leader of several international and many national research projects. Finally, he is member of the Greek Physicists Society and member of the Technical Chamber of Greece.

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Ioannou, K., Panoutsopoulos, I. & Kotsopoulos, S. Optimizing the QoS of Ultra High and High Speed Moving Terminals in Satellite-Aided Cellular Networks. Wireless Pers Commun 39, 307–319 (2006). https://doi.org/10.1007/s11277-006-9050-9

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Keywords

  • QoS
  • guard channels
  • handoff
  • high
  • ultra high and low speed moving terminals
  • three-layer architecture