10 Slides to Mobile Wireless

Mobile Wireless 1G and 2G Systems The Telecom Source 10 Slide Technology Series

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Background ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Simple Network Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],Base Station Controller (BSC) Base Station Controller (BSC) Home Location Register (HLR) BTS BTS BTS BTS BTS BTS BTS Mobile Switching Center (MSC) PSTN

Simplified Operation …Initialization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Simplified Operation … “Hand-Off” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Before After

First Generation Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Second Generation Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TDMA (IS-136) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],      UNLINK user1 user2 user3 user4 user5 user6 user7 user8 user9 user1 user2 user3 user4 user5 user6 user7 user8 user9 Radio channel 1 Radio channel 2 Radio channel 3 Radio channel 1 Radio channel 2 Radio channel 3 user1 user2 user3 user4 user5 user6 user7 user8 user9 user1 user2 user3 user4 user5 user6 user7 user8 user9 DOWNLINK

GSM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],      UNLINK user1 user2 user3 user9 user… user… user17 user… user… user1 user2 user3 user9 user… user… user17 user… user… Radio channel 1 Radio channel 2 Radio channel 3 Radio channel 1 Radio channel 2 Radio channel 3 user4 user5 user6 user4 user… user… user… user… user… user4 user5 user6 user… user… user… User… user… user… DOWNLINK user7 user8 user… user16 user… user24 user7 user8 user… user16 user… user24

CDMA (IS-95) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],1 1 0 Original Signal Transmitter PN 1 0 0 1 0 0 0 0 1 1 1 1 Coded Signal 0 1 1 0 0 0 1 1 1 1 0 0 Receiver PN 1 0 0 1 0 0 0 0 1 1 1 1 1 1 0 Decoded Signal

The Telecom Source www. thetelecomsource .com Info@ thetelecomsource .com

10 Slides to Mobile Wireless

Empfohlen

Empfohlen

Weitere ähnliche Inhalte

Was ist angesagt?

Was ist angesagt? (20)

Andere mochten auch

Andere mochten auch (20)

Ähnlich wie 10 Slides to Mobile Wireless

Ähnlich wie 10 Slides to Mobile Wireless (20)

Kürzlich hochgeladen

Kürzlich hochgeladen (20)

10 Slides to Mobile Wireless