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1. Prepared by:
Vinay Kr. Gupta
(0700410088)

2.  The GSM standards is being developed to support
mobile services with radio interface data rates even
over 400 Kbit/s. This work is being performed
under the ETSI.
 The major change in the GSM standard into EDGE
standard is the 8(Phase Shift Keying)PSK
modulation.

3.  EDGE is a global radio based high speed mobile
data standard that can be introduced into
GSM/GPRS networks.
 It is a digital mobile phone technology that allows it to
increase data transmission rate and improve data
transmission reliability.

5.  Enhanced Data rates for GSM Evolution
(EDGE) (also known as Enhanced GPRS
(EGPRS), is a digital mobile phone technology
that allows improved data transmission rates as
a backward-compatible extension of GSM.
 EDGE is considered a 3G radio technology and
is part of ITU's 3G definition. EDGE was
deployed on GSM networks beginning in 2003
— initially by Cingular (now AT&T) in the
United States.

6.  EDGE is an official 3G cellular technology that
can be deployed within an operator's existing
850, 900, 1800 and 1900 MHz spectrum bands.
A powerful enhancement to GSM/GPRS
networks, EDGE increases data rates by a factor
of three over GPRS and doubles data capacity
using the same portion of an operators’ valuable
spectrum.
 EDGE employs three advanced techniques in
the radio link that allow EDGE to achieve
extremely high spectral efficiency for
narrowband cellular-data25 services

7. The resulting throughput per time slot with EDGE
can vary from 8.8 kbps under adverse conditions to
59.2 kbps with a very good carrier-to-interference
(C/I) ratio.

8.  EDGE makes full use of the capacity in the
available radio spectrum. In this regard, EDGE
is as effective a technique for expanding data
capacity as the AMR codec is for expanding
voice capacity.
 It can be used both packet- switched and circuit-
switched voice and data services. High-speed data
applications such as video services and other
multimedia benefit from EGPRS' increased data
capacity.

10. •Economic forces – less costly than upgrading to UMTS
•Easy to offer global service to subscribers – 82% of
world market is GSM which is already equipped for
easy roaming and billing
•Higher data rates and system capacity
•Broadband-like speeds achievable
•Much less expensive mobiles

11.  Basically, EDGE only introduces a new modulation
technique and new channel coding that can be used to
transmit both packet-switched and circuit-switched voice
and data services.
 EDGE is an add-on to GPRS and cannot work alone. And
is therefore much easier to introduce than GPRS. GPRS
has a greater impact on the GSM system than EDGE has.

12.  EDGE offers significantly higher throughput and capacity
.This decreases the number of radio resources required to
support the same traffic, thus freeing up capacity for more
data or voice services.
 EDGE can transmit three times as many bits as GPRS
during the same period of time. This is the main reason
for the higher EDGE bit rates.

13.  Designed for existing spectrum:
800/900/1800/1900MHz
 Low risk technology evolution from GSM/GPRS
 Easy implementation on a GSM/GPRS network
 Cost effective
 Increase the capacity and triples the data rate of
GPRS
 Enabling new multimedia services

14.  EDGE transmits both packet-switched and circuit-
switched voice and data services.
 High speed Data rates
 EDGE Evolution continues in Release 7 of the 3GPP
standard providing doubled performance e.g.to
complement High-Speed Packet Access (HSPA).
 Voice over IP is planned for EDGE R’2000 Standards

15.  http://www.mobileipworld.com.
 “Data capabilities for GSM Evolution to UMTS”,
November19, 2002. http://www.rysavy.com
 Nokia, “A comparison between EDGE and Alternative
Technologies”, June 5,2001. http://www.3Gamericas.org
 Enhanced Data Rates for GSM Evolution EDGE;
Nokia’s vision for a service platform supporting high-
speed data applications. http://www.nokia.com
 EDGE; Introduction of high-speed data in GSM/GPRS
networks.http://ericsson.com.
 IEEE Personal Communications • June 1999
 http://gsmworld.com