'Dsss direct sequence ss' diaporamas de présentation

S-72.1130 Telecommunication Systems

S-72.1130 Telecommunication Systems. Wireless Local Area Networks. Outline. LAN basics Structure/properties of LANs WLANs Link layer services Media access layer frames and headers CSMA/CA Physical layer frames modulation Direct sequence Frequency hopping Infrared Installation

695 views • 54 slides

Wireless LAN

Wireless LAN. Wireless?. A wireless LAN or WLAN is a wireless local area network that uses radio waves as its carrier. The last link with the users is wireless, to give a network connection to all users in a building or campus. The backbone network usually uses cables. Common Topologies.

510 views • 42 slides

IEEE 802.11 Wireless Local Area Networks (WLANs)

IEEE 802.11 Wireless Local Area Networks (WLANs). 802.11 WLANs - Outline. 801.11 bands and layers Link layer Media access layer frames and headers CSMA/CA Physical layer frames modulation Frequency hopping Direct sequence Infrared Security Implementation. How to share a medium?.

522 views • 42 slides

IEEE 802.11 Wireless Local Area Networks (RF-LANs)

1.25k views • 40 slides

IEEE 802.11 Wireless Local Area Networks (RF-LANs)

816 views • 40 slides

IEEE 802.11 Wireless Local Area Networks (RF-LANs)

342 views • 34 slides

IEEE 802.11 Wireless Local Area Networks (RF-LANs)

355 views • 34 slides