Enhanced Data Rates For GSM
Evolution(EDGE)
Presented By : Sidharth Mahapatra
Guided By : Prof. Smita Mohanty
Free Powerpoint Templates
Page 2
 Enhanced data rates for GSM Evolution (EDGE)
or Enhanced GPRS (EGPRS).
 It is a digita...
Page 3
 It is a technology that gives GSM the capacity to
handle services for the third generation of mobile
network.
 I...
Page 4
 EDGE provides an evolutionary migration path
from GPRS to UMTS.
 Broadband-like speed is achievable on the curre...
Page 5
Voice
SMS
Internet
Access
MMS
Streaming
Bandwidth
Services
Page 6
PC or
LAPTO
P
MOBIL
E MS
C
BSC
GGS
N
SGS
NBT
S
BT
S
Page 7
Powerpoint Templates
No hardware or software changes to be made in GSM core
networks, only base stations must be mo...
Page 8
To achieve higher bit rates than that of GPRS, the existing
GMSK modulation technique must be modified.
EDGE is spe...
Page 9
I/Q Diagram showing EDGE Modulation Benefits
Q
P
Q
P
(000)
(001)
(010)
(011)
(111)
(110)
(101)
(100)
1
0
Page 10
The 8-PSK modulation is a method in which 1 symbol carries 3
bits of information.
The total data rate is therefore...
Page 11
MIA HSCSD GPRS EDGE UMTSD. C.FAX / DATA
/SMS
9.6
Kbps
19
Kbps
22.8
Kbps
57.6
Kbps
170
Kbps
473.6
Kbps
2000
Kbps
Powerpoint Templates
Page 12
Technical Difference Between GPRS and EDGE
EDGE is a subsystem within the GSM standard. But
G...
Technical Difference Between GPRS and EDGE
GPRS uses 4 coding schemes whereas EDGE uses 9
coding schemes.
GPRS and EDGE ha...
Powerpoint Templates
Page 14
0
10
20
30
40
50
60
70
CS1
CS2
CS3
CS4
MCS1
MCS2
MCS3
MCS4
MCS5
MCS6
MCS7
MCS8
MCS9
GPRS EDGE...
Powerpoint Templates
Page 15
 User Benefits
1. Speed
2. An “always-on” connection
3. Value
4. Coverage
5. Phone selection
 Operator Benefits
1. Spectrally efficient and flexible
2. Ease of upgrade
3. Compatibility
4. Cost-efficiency
5. Volumes
EDGE filling the gap between GPRS and 3G.
EDGE evolution can satisfy increased data demand and
produce increased revenue.
...
 Operator Benefits
1. Spectrally efficient and flexible
2. Ease of upgrade
3. Compatibility
4. Cost-efficiency
5. Volumes...
Enhanced Data Rates for GSM Evolution(EDGE)
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Seminar Presentation on Enhanced Data Rates for GSM Evolution(EDGE). 19 slides. Complete coverage on edge technology. Description using schematic diagram and graphs.

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Enhanced Data Rates for GSM Evolution(EDGE)

  1. 1. Enhanced Data Rates For GSM Evolution(EDGE) Presented By : Sidharth Mahapatra Guided By : Prof. Smita Mohanty
  2. 2. Free Powerpoint Templates Page 2  Enhanced data rates for GSM Evolution (EDGE) or Enhanced GPRS (EGPRS).  It is a digital mobile phone technology that allows improved data transmission rates and reliability.  EDGE is considered as pre-3G radio technology and was deployed on GSM networks beginning in 2003 – initially by Cingular (now AT&T) in the United States.  EDGE can function on any network with GPRS deployed on it, provided the carrier implements the necessary upgrades.
  3. 3. Page 3  It is a technology that gives GSM the capacity to handle services for the third generation of mobile network.  It enables services like multimedia file transfer, web browsing and video conferencing to be easily accessible from wireless terminals.  Using EDGE, operators can handle triple subscribers than GPRS, triple their data rate and add extra capacity to their voice communications.  EDGE is capable of offering data rates of 384 kbps and theoretically, up to 473.6 kbps.
  4. 4. Page 4  EDGE provides an evolutionary migration path from GPRS to UMTS.  Broadband-like speed is achievable on the current 200 kHz GSM radio carrier.  Easy to offer global service to subscribers – 82% of global market is GSM. Hence easy roaming and billing.  Economic forces - less costly than upgrading to third generation technology.
  5. 5. Page 5 Voice SMS Internet Access MMS Streaming Bandwidth Services
  6. 6. Page 6 PC or LAPTO P MOBIL E MS C BSC GGS N SGS NBT S BT S
  7. 7. Page 7 Powerpoint Templates No hardware or software changes to be made in GSM core networks, only base stations must be modified. EDGE compatible transceiver units must be installed in Base Station Subsystem hardware. Software upgrades to the Base Station Controller (BSCs) and Base Stations (BS). EDGE is just an “add-on” to the BSS. A new modulation scheme “8-PSK” is introduced to provide high data rate and high spectral efficiency.
  8. 8. Page 8 To achieve higher bit rates than that of GPRS, the existing GMSK modulation technique must be modified. EDGE is specified to reuse the channel structure, width, coding and existing mechanism of GPRS. The modulation technique used for EDGE i.e. “8-PSK” fulfills all those requirements. This makes it possible to integrate new EDGE channels into an existing frequency plan of GSM network.
  9. 9. Page 9 I/Q Diagram showing EDGE Modulation Benefits Q P Q P (000) (001) (010) (011) (111) (110) (101) (100) 1 0
  10. 10. Page 10 The 8-PSK modulation is a method in which 1 symbol carries 3 bits of information. The total data rate is therefore increased by a factor of three. The distance between the symbols are shorter than that of GMSK. Hence increase the risk of misinterpretation of symbols. Each set of bits is just one bit different from its neighbor. So if the radio receiver makes an error in reading the symbol, most likely this will result in only one bit being misinterpreted.
  11. 11. Page 11 MIA HSCSD GPRS EDGE UMTSD. C.FAX / DATA /SMS 9.6 Kbps 19 Kbps 22.8 Kbps 57.6 Kbps 170 Kbps 473.6 Kbps 2000 Kbps
  12. 12. Powerpoint Templates Page 12 Technical Difference Between GPRS and EDGE EDGE is a subsystem within the GSM standard. But GPRS has introduced Packet-Switched Data into GSM networks. EDGE is an “add-on” to GPRS and can not work alone. EDGE can transmit three times as many bits as GPRS during the same period of time. EDGE requires less number of radio resources to support the same traffic, thus freeing up capacity for more data and voice services.
  13. 13. Technical Difference Between GPRS and EDGE GPRS uses 4 coding schemes whereas EDGE uses 9 coding schemes. GPRS and EDGE have different protocols and behavior on the base station system side. GPRS allows average data rates of 115 Kbps and theoretically up to 160 Kbps whereas EDGE offers average data rate of 384 Kbps and theoretically up to 473.6 Kbps. GPRS and EDGE share the same symbol rate but the modulation bit rate differs.
  14. 14. Powerpoint Templates Page 14 0 10 20 30 40 50 60 70 CS1 CS2 CS3 CS4 MCS1 MCS2 MCS3 MCS4 MCS5 MCS6 MCS7 MCS8 MCS9 GPRS EDGE Coding Schemes for GPRS and EDGE Kbps
  15. 15. Powerpoint Templates Page 15  User Benefits 1. Speed 2. An “always-on” connection 3. Value 4. Coverage 5. Phone selection
  16. 16.  Operator Benefits 1. Spectrally efficient and flexible 2. Ease of upgrade 3. Compatibility 4. Cost-efficiency 5. Volumes
  17. 17. EDGE filling the gap between GPRS and 3G. EDGE evolution can satisfy increased data demand and produce increased revenue. EDGE Evolution will improve performance and coverage even further, with bit-rates of up to 1 Mbit/s. EDGE will provide the solution for operators wanting to increase the data capacity in their GSM network prior to UMTS deployment.
  18. 18.  Operator Benefits 1. Spectrally efficient and flexible 2. Ease of upgrade 3. Compatibility 4. Cost-efficiency 5. Volumes Any Questions ?

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