29522011 ppt presentation of edge technology by anil kumar gaur
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Enhance data rate for GSM evolution
Presented by: Anil kumar gaur
What is technology TECHNOLOGY IS THE TECHNICAL MEANS PEOPLE USE TO IMPROVE THEIR SURROUNDING.
IT IS ALSO THE KNOWLEDGE OF USING
THE TOOLS AND MACHINES TO DO TASK.
WHAT IS EDGE
Edge (Enhance data rate for GSM evolution) is a radio signaling technology for 3G mobile networks.
EDGE use for mobile service such as downloading of video and music clips full multimedia messaging high-speed colors internet access and e-mail on the move.
INTRODUCTION OF EDGE
Enhance data rate for GSM evolution (EDGE) is a digital mobile phone technology.
It is generally classified as a 2.75G network technology.
EDGE has been introduced into GSM network around the since world since 2003 initially in North American
1.It can be used for any packet switching application such as an internet connection. 2.EDGE circuit switching is a possible for future development.
EDGE (Enhanced Data Rate for GSM
Evolution)
Increase data rates up to 384 kbps
Introduces a new modulation technique (8PSK) and channel coding.
EDGE (Enhanced Data Rate for GSM
Evolution)
EDGE modulation technique
Transmission techniques
In addition to Gaussian minimum-shift keying (GMSK), EDGE uses higher-order PSK/8 phase shift keying (8PSK) .
EDGE produces a 3-bit word for every change in carrier phase.
EDGE (Enhanced Data Rate for GSM
Evolution)
Coding schemes (modulation coding schemes)
EDGE (Enhanced Data Rate for GSM
Evolution)
Measurement accuracy
It is done by measuring bit error rate ,carrier strength …etc.
It has done by quickly to select the right coding scheme.
EDGE (Enhanced Data Rate for GSM
Evolution)
Edge link controlling function It uses a combination of 2 functionalities :
1. Link adaptation
2. Incremental redundancy
EDGE -- EVOLUTION
SGSNSGSN
GGSNGGSN
GbGb
GnGn
GcGc
GiGi
GsGs
GnGn
HLRHLR
BSCBSC
MSCMSC
PSTN
BTSBTS
BTSBTS
AbisAbis AA
DD
AbisAbis
AA
PDN
HOW DOES EDGE WORK ? Edge work by improving the
signaling interface used to communicate over the radio wave.
Typically edge enhance thee time the performance of GPRS achieving an data rate 80 to 160 kbps per user with mobile terminals.
EDGE (Enhanced Data Rate for GSM
Evolution)
EDGE benefits Short-term benefits: Capacity and
performance Easy implementation on a
GSM/GPRS network Cost effective Increase the capacity and triples
the data rate of GPRS Enabling new multimedia services
Long-term benefit: Harmonization with WCDMA
EDGE (Enhanced Data Rate for GSM
Evolution)
Impact of EDGE on existing GSM/GPRS networks
Hardware upgrade to the BSS (new transceiver in each cell)
Software upgrade to the BS and BSC No change in the core networks New terminals - Terminal which provides 8PSK in the
uplink and the downlink - Terminal which provides GMSK in the
uplink and 8PSK in the downlink
Advantages
Balanced improved bit rate at all radio conditions
No hardware, software change to GSM core networks
Supports download various file types
Handle four times the traffic of standard GPRS
Smart & adaptive antennas
Triples gross data rate by GSM
Circuit-switched and packet-switched traffic coexist
Rapid Internet and WAP access
Service available for EDGE phones without tariff charge
Avoids creating new system
04/07/23 RAHUL
RAJ 18
DISADVANTAGES: EDGE requires base station modifications
Extra mobile terminal hardware and software required
Frequently referred to as 2.75G
04/07/23 RAHUL
RAJ 19
CONCLUSION: EDGE technology has succeeded the technology
previously used in mobile phones. Low risk of investment thanks to the dual mode of
GSM/EDGE (Slot by slot) It support the same technology as GPRS but it has
got higher data rates of more than 400kbits/sec EDGE allows the delivery of advanced mobile
services such as the downloading of video and music clips, full multimedia messaging, high-speed Internet access and e-mail on the move.
04/07/23 RAHUL
RAJ 20
THANK YOU
Presented by : Anil kumar gaur
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