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The business of wimax - Pareek D.

Pareek D. The business of wimax - Wiley publishing , 2006. - 330 p.
ISBN-10 0-470-02691
Download (direct link): thebusinessof2006.pdf
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114
WiMAX APPLICATIONS
The Solution
Wireless DSL (WDSL) offers an effective, complementary solution to wireline DSL, allowing DSL operators to provide broadband service to additional areas and populations that would otherwise remain outside the broadband loop. Wireless Internet technology based on IEEE 802.16 is also a natural choice for underserved rural and outlying areas with low population density. Government regulatory bodies are realizing the inherent worth in wireless technologies as a means for solving digital-divide challenges in the last mile and have accordingly initiated a deregulation process in recent years for both licensed and unlicensed bands to support this application. Recent technological advancements and the formation of a global standard and interoperability forum, WiMAX, set the stage for WDSL to take a significant role in the broadband market.
5.5 3 VS: VoIP, VPLS AND VIDEO Wireless VoIP
While VoIP has been around for years, it has not been a viable alternative for most applications due to technology constraints. Recent technology advancements have dramatically improved quality and now VoIP service providers are positioned to offer an affordable alternative to traditional circuit-switched voice services for both businesses and consumers.
VoIP services differ from traditional voice services because the voice conversation is transmitted over a proprietary broadband network or the public Internet. This allows VoIP providers to bypass the expensive public-switched telephone network (PSTN) and use a single broadband connection to transmit both voice and data. This not only reduces costs for voice providers that can be passed onto customers, but also enables corporate telecom providers to layer features such as unified messaging and Web-based call control through the convergence of voice and data.
Wireless VoIP is a simple and cost-effective service which allows a subscriber to use VoIP services while on the move. This is possible because of WiMAX which can provide carrier-grade connectivity while being wireless. It brings together the economy and benefits of VoIP and flexibility of wireless technology.
3 VS: VoIP, VPLS AND VIDEO
115
Figure 5.7 VPLS - virtual private LAN services
VPLS - Virtual Private LAN Services
Virtual Private LAN Services (VPLS) are a class of VPN that allows the connection of multiple sites in a single bridged domain over a provider-managed network. From the customerís perspective, it looks as if all sites are connected to a private LAN. VPLS provide another newer and rapidly growing enterprise data service that is replacing private lines and frame relay services (Figure 5.7). Over the next few years, VPLS will become the most popular WAN technology. WiMAX, owing to its QoS and security, provides an excellent network solution for VPN.
Video-on-Demand (VoD)
Video-on-demand, one of the most hyped technologies which never took off, may now get its due. With WiMAX has been found a technology which can make the base wider and price points better suited to the demands of customers. WiMAX can reach the masses at low cost, and hence more people who need services (unlike today when it is available to a few in city centres who have more economical ways to obtain video). Another interesting feature is that alternative videos and contents related to learning, training, etc. can become a revenue-generating mechanism due to obvious financial value. Other applications are as follows.
116
Automatic Teller Machines
WiMAX APPLICATIONS
The ability to provide ubiquitous coverage in a metropolitan area provides a tool for banks to instal low-cost ATMs across rural and suburban areas, which is a totally discounted possibility today because of the cost of satellite links and security issues with other modes of backhaul. WiMAX may bring ATMs and services kiosks to bank clients in suburban or rural areas. What that means is comfort for clients and enhanced business for banks.
Vehicular Data and Voice
WiMAX may be an innovation for fleet owners, logistic providers or logistic brokers, as they can find the location of their vehicles, their carriage capacity and amount of loading on real-time basis, which means better coordination for optimized carriage, unlike today when most carriers have to deal with low carriage on return trips. This may also help drivers and highway patrols to act quickly when facing adverse situations such as accidents or road blocks.
Online Gaming
If anything looked as appealing as pornography a few years ago, it was online gaming. With the emergence of this sector both in fixed and mobile forms globally, people without broadband are just waiting for technology to make access possible before more pervasive and faster growth. WiMAX will be the technology to provide the joysticks to rural and urban people at home or on the move.
Security and Surveillance Applications
Institutions of all kinds - from shopping centres to transportation systems to military bases - are being challenged to install video surveillance in areas that are too remote, too costly or physically impossible to reach with traditional cabling.
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