Arief Hamdani Gunawan - Telkom Indonesia- LTE Femtocells
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Deploying LTE Femtocells in Order to Achieve Coverage in Rural Areas Arief Hamdani Gunawan
Transcript of Arief Hamdani Gunawan - Telkom Indonesia- LTE Femtocells
Deploying LTE Femtocells in Order toAchieve Coverage in Rural Areas
Arief Hamdani Gunawan
As of June 30, 2009 :
The Core Business
As of June 30, 2009 :
Penetration in Telco Industry
Agenda
•Traffic approach
•Optimizing
through Femto
Deploying LTE Femtocells Achieving Coverage in Rural Areas
•Adoption of technologies
•Deployment scenarios
•SAE capability
through Femto
•Possibility
for 700 MHz
LTE
urban
Traffic Approach
HSPA+ / EV-DO Rev A/B
traffic
•optimistic traffic
•optimistic revenue
•pessimistic traffic
•equipment capacity
HSPA /EV-DO Rev A
suburban
rural
EV-DO Rev A/B
The decouple of traffic and revenue is bigger in higher traffic
time
•pessimistic traffic
•pessimistic revenue
Different Deployment Scenarios for LTE
CDMAto LTE
GSMto LTE
Optimistic ScenarioPessimistic Scenario
GSM
3G 1X
Today LTE Deployment
GSM
LTE
3G 1X
LTEEV-DO Rev A/B
3G1X
3G 1X
Scenarios
Important Prerequisites:
•Technology maturity
•Demand
•Frequency allocation
Other:
•Efficient
W-CDMAto LTE
Optimistic ScenarioPessimistic Scenario
GSM
UMTS
GSM
UMTS UMTS
GSM
GSM
UMTS
LTE
GSM
UMTS
LTE
The LTE introduction for wireless operator
3G 1X
EV-DO Rev A
3G 1X
EV-DO Rev A/B
LTE
•Efficient
•Scalable
The Right Time - Relative Adoption of Technologies
3.9G
3G
Rysavy Research projection based on historical data.
2G
Saturation of 2G < LTE Introduction Timing < Saturation of 3G(after 2010) (before 2020)
LTE / SAE
System Architecture Evolution
3GPP
IP Access
(HSPA, HSPA+)
S3/S4
S2LTE / SAE
EPCEUTRAN
non 3GPP
IP Access
(EV-DO Rev A/B)
WLAN 3GPP
IP Access
S2
S2
S1
The S2, S3, S4 interface enable SAE to provide flexibility
System Architecture Evolution Support
to Achieve Coverage in Rural Areas
Suitable to support: Existing GSM/W-CDMA in rural areas
LTE / SAE
3GPP
IP Access
(HSPA, HSPA+)
Suitable to support: Existing CDMA in rural areas
Suitable to support: Existing GSM/W-CDMA in rural areas
Suitable to support:
•(Optimizing) current wireline infrastructure
•High reliability
•New wireless deployment
LTE / SAE
EPCEUTRAN
non 3GPP
IP Access
(EV-DO Rev A/B)
WLAN 3GPP
IP Access
FEMTO, X2 interface, and SON architecture able to serve un-coverage area, remote area and isolated area
Why
(Optimizing) current wireline infrastructure through Femto
• Basic coverage: provide Femto as the main infrastructure in the
‘blank spot’.
• Data coverage: provide Femto as the main infrastructure in the low
speed area or no data area (ex: GSM only area), in fact the indoor is
become more critical.
• Capacity expansion: the ‘independent individual BTS’ able to reduce
congestion in BTS.
• User experience: provide xDSL experience in the home
user/building user
• Cost reduction: Reduce backhaul cost and maintenance
Most Mobile Data Use Occurs Indoors
Source: Informa’s Mobile Access at Home Report
A Typical Femto Solution
HLRAAA
FAPUE SEGW FGWCS/PS
CN
ISP Network(ADSL)
IPsec tunnel
Uu Iu orA/Gb
D’
Service Network
Option 1 Option 3Option 2
AAA = Authentication, Authorization, and Accounting
CS/PS CN = Circuit Switch / Packet Switch Core Network
FGW = Femto Gateway
HLR = Home Location Register
SeGW/Sec =GW Security Gateway
UE = User EquipmentIEEE Communications Magazine . September 2009
Femto-subsystem reference architecture- example -
FGW
Femto Management System
FAP-MS FGW-MS
Fm Fg
Subscriber Databases
Fr
HPLMN Core Network
FAPMobile
device
Home
GWFL
Fa
SeGW
Access
Network
Radioi/f
CS core
PS core
Fb-cs
Fb-ps
IMS coreFb-ims
HPLMN RAN
Frequency Allocation Candidate
in UHF Band (470 – 806 MHz)
• Current condition:
– Capacity: 42 Analogue Channels (22 to 61).
– Jakarta condition: 29 trans, 37 tpi, 39 tvri, 41 ivm, 43 rcti, 45 sctv,
47 antv, 49 dvnm 51 dlob, 53 latvm 57 metro, 31 tvri, 35 ivm, 27
spcet (Source: RANCANGAN KEBIJAKAN PENATAAN PITA spcet (Source: RANCANGAN KEBIJAKAN PENATAAN PITA
FREKUENSI TV SIARAN UHF (470 – 806 MHz))
• Future approach:
– 502 to 606 MHz: Band IV and V (lower): 16 channels (25 to 41)
and bandwidth/channel 8 MHz for DVB-T free-to-air.
– 606 to 806 MHz: Band V (upper) : 20 channels (42 to 62) and
bandwidth/channel 8 MHz for mobile multimedia.
Achieving Digital Dividend for LTE Deployment
• Fixed Broadcast
– Modulation: 64 QAM and capacity: 48 Mbps.
– High Definition TV (HDTV) : 4 programs
– SDTV (per program 2 Mbps) : 24 programs
– Audio content 64 kbps: 750 programs
• Mobile Broadcast • Mobile Broadcast
– Modulation: 16 QAM and capacity: 12 Mbps
– SDTV: 8 programs
• Time and license constraint:
– Digital TV Trial
– Analogue moratorium and simulcast
– Analogue Phase Out
• More to SDTV rather than HDTV.
• More to frequency efficiency.
ClosingDeploying LTE Femtocells to achieve coverage in rural areas
• So, what is the main consideration to deploy LTE (in rural)?– Technology maturity
• Why LTE Femtocells able to achieve coverage in rural areas
– Through the X2 interface, LTE able to utilize existing wireless access / cellular infrastructure
– Through the Femto interface, LTE able to optimize the infrastructure. FEMTO can be suitable for providing basic coverage, data coverage, capacity expansion, user experience and cost reduction.capacity expansion, user experience and cost reduction.
– FEMTO, X2 interface, and SON architecture able to serve un-coverage area, remote area and isolated area
– Demand• The uncertainty of decouple in urban is higher rather than in rural.
• The scalable solution of technology and/or the capability to optimize the current infrastructure might be important to serve in rural areas.
– Frequency allocation• The digital dividend is very interesting for LTE deployment in many countries
• The other considerations are efficiency and scalability
