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Edge technology

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Jirshad Keloth
Jirshad Keloth
TechnologyBusiness
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Welcome By Karthik
EDGE TECHNOLOGY AN EVOLUTION IN MOBILE TECHNOLOGY
History ,[object Object],[object Object],[object Object],[object Object]
Then Came Digital……….. AMPS CDPD 1G 2G CDMA TDMA GSM IDEN 2.5G GPRS 1XRTT 3G 1X-EVDO EDGE WAN LAN 802.11
Introduction ,[object Object],[object Object]
Topics of Discussion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Mobile evolution ,[object Object],[object Object],[object Object],[object Object],[object Object]
EDGE Technology ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],EDGE
2.5G (Between 2G and 3G) ,[object Object],[object Object],[object Object],[object Object]
GPRS ,[object Object],[object Object],[object Object],[object Object],[object Object]
2.5G characteristics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GPRS shortcomings ,[object Object],[object Object],[object Object]
EDGE Technology ,[object Object],[object Object],[object Object],[object Object]
Courtesy: http://www.gsmworld.com/technology/index.shtml
EDGE System Performance Probability throughput < = X per timeslot X (kb/s) 26 users/sector at 3.84 kbps average load per user Probability packet delay < = X X (msec) % %
EDGE modulations
EDGE Channel Coding and Frame Structure 464 bits 1 data block Convolution Coding Rate = 1/3 Length = 7 Puncture Interleave Burst N Burst N+1 Burst N+2 Burst N+3 Burst Format 8PSK Modulate 1392 bits 1392 bits 348 bits/ burst 348 bits 468.75 bits 156.25 symbols/slot 0 1 2 3 4 5 6 7 8 Time Slots 1 Time Slot = 576.92 µs Tail symbols 3 Data symbols 58 Tail symbols 3 Data symbols 58 Training symbols 26 Guard symbols 8.25 Modulation: 8PSK, 3 bits/symbol Symbol rate: 270.833 ksps Payload/burst: 348 bits Gross bit rate/time slot: 69.6 kbps - overhead = 59.2 kbps user data 20 msec frame with 4 time-slots for each of 8 bearers
Some of the generation mobile phones ,[object Object]
Personal Digital Assistants & 2.5 G phones Wireless via Bluetooth Internet Wireless via GPRS
Combined PDAs and 2.5 G phones
3 G phones
Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Application cont ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Application cont ,[object Object],[object Object],[object Object],[object Object],[object Object]
Conclusion ,[object Object],[object Object],[object Object]
Conclusion cont ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
THANK YOU THANK YOU FOR YOUR PRECIOUS TIME

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Edge technology

  • 1. Welcome By Karthik
  • 2. EDGE TECHNOLOGY AN EVOLUTION IN MOBILE TECHNOLOGY
  • 3.
  • 4. Then Came Digital……….. AMPS CDPD 1G 2G CDMA TDMA GSM IDEN 2.5G GPRS 1XRTT 3G 1X-EVDO EDGE WAN LAN 802.11
  • 5.
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  • 16. EDGE System Performance Probability throughput < = X per timeslot X (kb/s) 26 users/sector at 3.84 kbps average load per user Probability packet delay < = X X (msec) % %
  • 18. EDGE Channel Coding and Frame Structure 464 bits 1 data block Convolution Coding Rate = 1/3 Length = 7 Puncture Interleave Burst N Burst N+1 Burst N+2 Burst N+3 Burst Format 8PSK Modulate 1392 bits 1392 bits 348 bits/ burst 348 bits 468.75 bits 156.25 symbols/slot 0 1 2 3 4 5 6 7 8 Time Slots 1 Time Slot = 576.92 µs Tail symbols 3 Data symbols 58 Tail symbols 3 Data symbols 58 Training symbols 26 Guard symbols 8.25 Modulation: 8PSK, 3 bits/symbol Symbol rate: 270.833 ksps Payload/burst: 348 bits Gross bit rate/time slot: 69.6 kbps - overhead = 59.2 kbps user data 20 msec frame with 4 time-slots for each of 8 bearers
  • 19.
  • 20. Personal Digital Assistants & 2.5 G phones Wireless via Bluetooth Internet Wireless via GPRS
  • 21. Combined PDAs and 2.5 G phones
  • 23.
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  • 27.
  • 28. THANK YOU THANK YOU FOR YOUR PRECIOUS TIME

Editor's Notes

  1. Sdsdghh
  2. GSM – Global System and Mobile Communications TDMA – Time Division Multiple Access
  3. This pictures visually shows the evolution of wireless technology from 2G to 3G and beyond.