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WIRELESS NETWORKS

WIRELESS NETWORKS. - A.HARIKA Y5CSO28. INTRODUCTION. It refer to a telecommunication networks whose interconnections between nodes is implemented without the use of wires.

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WIRELESS NETWORKS

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  1. WIRELESS NETWORKS -A.HARIKA Y5CSO28

  2. INTRODUCTION • It refer to a telecommunication networks whose interconnections between nodes is implemented without the use of wires. • They are generally implemented with some type of remote information transmission system that uses electro magnetic waves for carrier.

  3. BASICS • The basic wireless network is organized in two ways 1)BSS network. 2)IBSS network. • Security mechanisms

  4. INFRASTRUCTURE MODE • ifconfig command scans the neighboring stations. • The flags included in the output depending on the capabilities of AP’s are -E: Extended Service Set (ESS). -I: IBSS/ad-hoc network -P: Privacy -S: Short Preamble -s: Short slot time

  5. BASIC SETINGS • IP address is needed, if there's more than one wireless network, we need to specify the ssid • WPA (Wi-Fi Protected Access) is basically a temporary key integrity protocol, which uses the 802.11 standards.

  6. CONSTRUCTION • SSID • The channel that the router uses • Your router's security options • WEP • WPA • MAC

  7. TYPES OF WIRELESS NETWORKS • Wireless LAN • GSM • PCS • D-AMPS • WI-FI • Fixed wireless data

  8. STEPS TO IMPROVE NETWORK • Position your wireless router in a central location • Replace your router's antenna • Replace your computer's wireless network adapter • Add a wireless repeater • Change your wireless channel • Reduce wireless interference

  9. APPLICATIONS • Information could be sent overseas. • Cellular phones. • Police department utilize wireless networks to communicate important information quickly • It is an inexpensive and rapid way to be connected to the Internet.

  10. DISADVANTAGES • Interference might block the radio signals from passing through. • Nearby networks using the same frequencies, also cause interference within the network. • Compatibility.

  11. THANQ

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