Wireless Wide Area Network

Cell Phones A necessity in today’s society Advanced Radios Full Duplex Communication

Making Calls Searches for Signal Identification Registration request sent to Mobile Telephone Switching Office

Satellite Communication

Who uses it? Commercial Shipping and Offshore Oil/Gas -Provides internet access far from coast Military - Real time operational and tactical data -Secure network Airplanes -Military, Commercial, and Private

Who uses it? Commercial -Rural communities Tailgaters -Watch the game anywhere!

How it works Transmitter sends signal through uplink Satellite receives signal Satellite redirects signal to receiver through downlink IRD (Integrated Receiver/Decoder) picks up signal and converts to digital information

Benefits Global Coverage -Satellite can send signal to any point on Earth -Can handle high bandwidth usage Security -Have its own private network -Encryption capabilities Easy setup

Downsides Poor Latency/High Ping Rate -Huge distance between nodes Minor Obstructions -Branches, Buildings, etc… Relatively Expensive

Wireless WAN A.K.A.: “wireless broadband” or “broadband wireless” Use cell towers to transmit a radio signal WE LIVE IN A WIRELESS WORLD!

WiMAX Long range wireless networking A form of fixed wireless broadband Internet access WiMAX system consists of two parts: –WiMAX tower (3000 square mile coverage) –WiMAX receiver (small box, PCMCIA card, or pre-built into laptop)

WHyMAX? Is it better than WiFi? –In several categories, yes it is –A.K.A.: “WiFi on steroids” –Much larger scale and faster speeds

WHyMAX? WiMAX could replace cable and DSL services, providing universal Internet access just about anywhere you go. Turning your computer on will automatically connect you to the closest available WiMAX antenna.

Thank You! Any Questions?