expand range of wireless network

Economics of Wireless Networks

... 213 Index404 14 Economics of Wireless Networks 14.1 Introduction The field of mobile wireless communications is currently one of the fastest growing segments of the telecommunications industry. Wireless devices ... for wireless telecommunication companies. This chapter overviews several economic aspects of wireless networks, including economic benefits of wireless networks, facts that affect the economics of ... depend on the structure of the network. The majority of wireless networks until the 3G era were primarily designed for voice traffic and are thus of a circuit- switched network. Nevertheless, the...

Ngày tải lên: 29/09/2013, 21:20

25 286 0

Simulation of Wireless Network Systems

... effect on the quality of the voice/ Wireless Networks362 Figure 13.9 DCF state machine [18] 13 Simulation of Wireless Network Systems This chapter deals with simulation of wireless network systems. ... (FDMA). The number Simulation of Wireless Network Systems 367 Figure 13.16 Number of video channels versus percentage of video packets within 100 ms Figure 13.17 Quality of service versus MAC protocol ... comparing the results of the Wireless Networks344 allows TBRPF to update the network with a single broadcast for a constant complexity of Q(V). While a string topology shows a limitation of TBRPF and...

Ngày tải lên: 29/09/2013, 21:20

40 328 1

Tài liệu Designing for Profitability in the Physical Layer of Wireless Networks docx

... instead of Designing for Profitability Supplier Customer(s) Vendors (i.e., ADC) • Network Planning • Network Operations • Subscribers Network Planning • Network Operations • Subscribers Network ... maintenance and troubleshooting of a steadily growing network infrastructure. Clearly, the physical layer of the wireless network is getting larger and more complex. With more wireless data services ... increasing the number of cell sites as well as the number of copper and fiber cables in the network. The constant change of reconfigurations and maintenance in the network is conducted largely...

Ngày tải lên: 21/12/2013, 08:17

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Báo cáo hóa học: " Editorial Algorithmic Aspects of Wireless Networks" pptx

... enhance- ment in wireless networks. The fourth paper, by S. Guo et al., considers the prob- lem of maximizing the network lifetime for both single and multiple multicast connections in a wireless ad ... the dynamic of network conditions. The au- thors prove the global asymptotic stability of the equilibrium based on Lyapunov theory. Simulation results indicate that REAQM is capable of performing ... produce a group of dis- tributed algorithms. Experimental results show that our dis- tributed algorithms outperform other centralized multicast algorithms signiﬁcantly in terms of network lifetime...

Ngày tải lên: 22/06/2014, 19:20

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Handbook of Wireless Networks and Mobile Computing phần 1 potx

... aware of their geographic position and those of their neigboring nodes. The algorithms take advantage of geometric proper- ties of planar networks, constructing a planar subgraph of a given wireless ... Downton Handbook of Wireless Networks and Mobile Computing / Ivan Stojmenovic´ (Editor) HANDBOOK OF WIRELESS NETWORKS AND MOBILE COMPUTING Edited by Ivan Stojmenovic´ University of Ottawa Universidad ... Introduction 1 1.2 Types of Handoffs 1 1.3 Handoff Initiation 2 1.4 Handoff Decision 4 1.5 Handoff Schemes 4 1.6 Summary 24 References 24 2 Location Management in Cellular Networks 27 Jingyuan Zhang 2.1...