Proceedings ArticleDOI
Cost-Efficient WIMAX Network Deployment: The Hybrid Outdoor / Indoor Dual-Layer Coverage Approach
Konstantinos Ntagkounakis,Bayan S. Sharif,Charalampos C. Tsimenidis,V. Kassouras,Panagiotis I. Dallas,K. Koboholis +5 more
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TLDR
A dual layer outdoor / indoor coverage deployment is proposed which allows for co-existence and performance balancing of different customer profiles and optimises the deployment costs, especially in the initial phases of the network.Abstract:
The process of WIMAX radio network design and deployment is greatly affected by the nature of the customer premises equipment and the intended access service, which may be fixed, nomadic or indoor. This paper advances network design methodologies, traditionally used for fixed access, in the scope of hybrid fixed outdoor / indoor-nomadic networks. With the main objective being performance, time-to-market and cost optimisation, a dual layer outdoor / indoor coverage deployment is proposed which allows for co-existence and performance balancing of different customer profiles. By comparing to purely outdoor or indoor deployments, this approach provides benefits, both in terms of equipment reduction and spectrum usage and optimises the deployment costs, especially in the initial phases of the network. This approach is applicable both for OFDM and future OFDMA systems.read more
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Proceedings ArticleDOI
WiMAX Capacity Estimations and Simulation Results
Aymen Belghith,Loutfi Nuaymi +1 more
TL;DR: The spectrum efficiency and mean sojourn time of WiMAX determined through simulations for different scheduling algorithms are presented and it is then possible to compare theoretical values and simulation results ofWiMAX spectral efficiency and highlight some interesting comments.
Journal ArticleDOI
Analyzing the Integration of WiMAX and Wi-Fi Services: Bandwidth Sharing and Channel Collaboration†
Yung-Ming Li,Jhih Hua Jhang-Li +1 more
TL;DR: This study explores a wireless service market in which there are two wireless service providers operating Wi-Fi and WiMAX and finds that bandwidth sharing would benefit a WiMAX service provider, yet aWi-Fi service provider would make no significant savings under a wholesale price contract.
Proceedings Article
WiMAX against unexpected health problems: automatic prevention and assistance
TL;DR: An automatic mechanism, which can call for medical help or give warning signs that a health complication may occur, is suggested, based on a new telecommunication technology called WiMAX which provides broadband wireless connection.
Improving indoor capacity for WiMAX networks using multi-hop relays
TL;DR: A low-cost and easy to deploy relay based WiMAX system coupled with channel allocation methodology is proposed as a means of coverage and capacity improvement for an indoor subscriber.
References
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Book
Wireless Communications: Principles and Practice
TL;DR: WireWireless Communications: Principles and Practice, Second Edition is the definitive modern text for wireless communications technology and system design as discussed by the authors, which covers the fundamental issues impacting all wireless networks and reviews virtually every important new wireless standard and technological development, offering especially comprehensive coverage of the 3G systems and wireless local area networks (WLANs).
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Wireless communications
TL;DR: This book aims to provide a chronology of key events and individuals involved in the development of microelectronics technology over the past 50 years and some of the individuals involved have been identified and named.
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Frequency reuse and system deployment in local multipoint distribution service
TL;DR: This article presents some of the alternatives and options related to the efficient deployment of LMDS, and a novel approach to the use of alternative polarization in gradually increasing capacity and sectorization is presented.
Journal ArticleDOI
A high-capacity wireless network by quad-sector cell and interleaved channel assignment
Li-Chun Wang,Kin K. Leung +1 more
TL;DR: It is demonstrated that in a typical radio environment, the NBQC system with ICA can achieve a reuse cluster size N=2 with the signal-to-interference ratio (SIR) as high as 11 dB in 90% of the cell area, which is a 3-5-dB improvement over the existing cellular architectures.
Journal ArticleDOI
Novel Channel and Polarization Assignment Schemes for 2---11 GHz Fixed---Broadband Wireless Access Networks
TL;DR: Two novel CA schemes that consider the distinct characteristics of F-BWA are proposed; the rotated-interleaved channel assignment and the non-uniform channel assignment, and according to statistical interference simulation analysis the proposed schemes are more efficient in suppressing interference, achieving higher capacity compared to existing schemes while incurring no further complexity.