DAKNET:
Rethinking Connectivity in Developing Nations

ABSTRACT
This paper outlines a migration path towards universal broadband connectivity, motivated by the design of a wireless store-and-forward communications network.
We argue that the cost of real-time, circuit-switched communications is sufficiently high that it may not be the appropriate starting point for rural connectivity. Based on market data for information and communication technology (ICT) services in rural India, we propose a combination of wireles ....etc

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Fast Internet access is growing from a convenience into a necessity in all aspects of our daily lives. Unfortunately, this has been held back by the high expenses of wiring infrastructure essential to deliver such high-speed internet access especially to private homes, small offices and rural areas, where the installation of any kind of new wires tilts the scales of the economic feasibility to a non-profitable state. This problem is known as the ?last mile problem? which has been an active area of research throughout research community.

But ....etc

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ABSTRACT
Free space optics ( FSO ) is a line-of-sight technology that currently enables optical transmission up to 2.5 Gbps of data, voice, and video communications through the air , allowing optical connectivity without deploying fiber optic cables or securing spectrum licenses. FSO system can carry full duplex data at giga bits per second rates over Metropolitan distances of a few city blocks of few kms. FSO, also known as optical wireless, overcomes this last-mile access bottleneck by sending high “b ....etc

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ABSTRACT
Free Space Optics (FSO) or Optical Wireless, refers to the transmission of modulated visible or infrared (IR) beams through the air to obtain optical communications. Like fiber, Free Space Optics (FSO) uses lasers to transmit data, but instead of enclosing the data stream in a glass fiber, it is transmitted through the air. It is a secure, cost-effective alternative to other wireless connectivity options. This form of delivering communication has a lot of compelling advantages.
Data rates comparab ....etc

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FIXED AND MOBILE WIMAX

ABSTRACT
Within the last two decades, communication advances have reshaped the way we live our daily lives. Wireless communications has grown from an obscure, unknown service to an ubiquitous technology that serves almost half of the people on Earth. Whether we know it or not, computers now play a dominant role in our daily activities, and the Internet has completely reoriented the way people work, communicate, play, and learn. However severe the changes i ....etc

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The two most important phenomena impacting telecommunications over the past decade have been explosive parallel growth of both the internet and mobile telephone services. The internet brought the benefits of data communications to the masses with email, the web, and ecommerce; while mobile service has enabled follow-me anywhere/always on telephony. The internet helped accelerate the trend from voice-centric to data-centric networking. Data already exceeds voice traffic and the data share continues to grow. Now these two worlds are converging. ....etc

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ABSTRACT
Free Space Optics (FSO) or Optical Wireless, refers to the transmission of modulated visible or infrared (IR) beams through the air to obtain optical communications. Like fiber, Free Space Optics (FSO) uses lasers to transmit data, but instead of enclosing the data stream in a glass fiber, it is transmitted through the air. It is a secure, cost-effective alternative to other wireless connectivity options. This form of delivering communication has a lot of compelling advantages.
Data rates comparab ....etc

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Presented By:

Swapna

Chapter-1
Broadband Access Alternatives

Broadband access and services are delivered using a variety of technologies, network architectures and transmission methods. The most significant broadband technologies include:
¢ Digital Subscriber Line (DSL)
¢ Fiber Technologies
¢ Coaxial Cable
¢ Wireless
¢ BPL (Broadband Over Power Lines)
The following is a brief description of each of the above referenced access technology.

1.1 Digital Subscriber Line (DSL) - Bro ....etc

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WIMAX
THE NEXT FRONTIER BROADBAND WIRELESS

PRESENTED BY:
BHARATH KUMAR
E.C.E
III/IV B.TECH
IMRAN AHMAD
E.C.E
III/IV B.TECH
KONERU LAKSHMAIAH COLLEGE OF ENGINEERING


ABSTRACT

A wireless revolution is seeping into our daily lives never before. Sooner or
later we are all going to go wireless. Broadband Wireless Access has occupied a niche in
the market for about a decade. The recently developed Blue tooth wireless technology is
a low power, short-range technology for Ëœad hocâ„¢ cable r ....etc

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ABSTRACT!!!!

Abstract. The term WIMAX (Worldwide Interoperability for Microwave Access) has become synonymous with the IEEE 802.16 Wireless Metropolitan Area Network (MAN) air interface standard. Filling the gap between Wireless LANs and wide area networks, WIMAX-compliant systems will provide a cost-effective fixed wireless alternative to conventional wire-line DSL and cable in areas where those technologies are readily available. The WIMAX technology can provide a cost-effective broadband access solution in areas beyond the reach of DSL an ....etc

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