Wireless Wide Area Network Cell Phones A necessity

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!

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

WHy. MAX? • Is it better than Wi. Fi? – In several categories, yes it is – A. K. A. : “Wi. Fi on steroids” – Much larger scale and faster speeds

WHy. MAX? • Wi. MAX 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 Wi. MAX antenna.

THE INTERNET IS THE WORLDS LARGEST WAN

Thank You! Any Questions?