rf stretegy for ais in august
TRANSCRIPT
18/8/00
Network Planning
RF Strategy (August 2000)
RF Strategy and RF Strategy and BSS Features BSS Features
OverviewOverviewSoontorn B.SIEMENS Ltd
18/8/00
Network Planning
RF Strategy (August 2000)
Agenda• Man Power and Work Structure• RF Strategic Planning• Capacity Enhancement• Existing Offered Traffic VS. Forecast traffic• Congestion Status• Limitation and constriants• Trial Schedule
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Network Planning
RF Strategy (August 2000)
NP Manpower (Phase 7 & 7.5)
Aumpika Viaun
Dullapark Manee-in
Teera Pomansa (drive tests)
Sinit Tourtip
Wongsakorn Watcharananunt
Amirullah
Sittichai Thanpiinitkul (drive tests)
Boonchong Pholthaveekij
Montri Thanaphakawat
Nooch Jadjuabsint
Wirot Charoenlapdilok
Janittha Tancharoenrat
Danai Kimkitikunwilai
North-Eastern / Eastern Reg.
Network Configuration Planning /Eastern region
Radio Network Planning
And OptimisationPerformance measurements
Soontorn Banchongsirichareon
RNP
Kittisak Kiatmonkong
NCP / Performance measurements
C en tre o f C om p eten ceB an g kok
North-Eastern region
Radio Network Planning
And Optimisation
Ketsaraporn Sripongtornpiboon
Network Planning Backup
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Network Planning
RF Strategy (August 2000)
Agenda• Man Power and Work Structure• RF Strategic Planning• Capacity Enhancement• Existing Offered Traffic VS. Forecast traffic• Congestion Status• Limitation and constriants• Trial Schedule
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Network Planning
RF Strategy (August 2000)
RF Planning Strategy•Frequency Planning
– Use automatic frequency planning tools (FAT tool)
– Set different priorities to different clutter types•Avoid interference in high traffic areas.•“Push interference into low priority areas. E.g.
forests, water and mountain
– Re-planing of areas sometimes necessary to accommodate network expansions
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Network Planning
RF Strategy (August 2000)
Process of Freq. assignment
Split of Band BCCH
- TCH
DedicatedCommonMultiple Reuse
Planning of BoundariesHopping – Non HoppingAvailable
Spectrum for Hopping
Frequency assignment with fixed
reuse schemes 1 3Reuse x
Reuse 1x1
other
ToolsInterference TableSeparation Settings
Tool optimized frequency
assignment
MAIO and HSN
Planning
Cyclic HoppingRandom Hopping
DatabaseGeneratio
n
Planning of Anchor
Frequencies in SFH
• BFH Feature – already sold by
AIS– already
implemented in AIS network
• SFH Feature– not yet sold by AIS
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Network Planning
RF Strategy (August 2000)
RF Strategy Planning (CE)Hot Cities Directed Retry BFH DTX (DL) PC (DL) SFH HCS Concentric Cell
Pattaya Y Y Y X O O O
Chonburi Y Y Y X O O O
Chachoengsao Y Y Y X O O O
Chanthaburi Y Y Y X O O O
Rayong Y Y Y X O O O
Sriracha Y Y Y X O O O
Prachinburi Y Y Y X O O O
Nakornnayok Y Y Y X O O O
Trat Y Y Y X O O O
Sakaew Y Y Y X O O O
ABC will be trialed
Can increase capacity in some particular area only ABC will be activated
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Network Planning
RF Strategy (August 2000)
RF Strategy Planning (NE)Hot Cities Directed Retry BFH DTX (DL) PC (DL) SFH HCS Concentric Cell
Nakornratchasima Y Y Y X O O O
Khon Kaen Y Y Y Y O O O
Ubonratchathani Y Y Y X O O O
Udonthani Y Y Y X O O O
Surin Y X X X O O O
Roiet Y X X X O O O
Sakonnakorn Y X X X O O O
Nongkhai Y X X X O O O
Mahasarakham Y X X X O O O
Buriram Y X X X O O O
ABC will be trialed
Can increase capacity in some particular area only ABC will be activated
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Network Planning
RF Strategy (August 2000)
5 hopping frequenciesPC on, DTX on
[%]
90%@FER2%
Dedicated Band 71.8%
Dedicated Band
15 BCCH carriers 28 TCH carriersCommon Band
59.7%
Common Bandtotal operator bandwidth 8.6 MHz = 43
carriers
43 carriers for both BCCH and TCH
MRP 54.3%
15 BCCH carriers12 TCH + 9 TCH + 7 TCH carriers
Multiple Re-use Patterns (MRP)
Achievable System Load
Common vs. Dedicated Band vs. Multiple Re-Use Patterns
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Network Planning
RF Strategy (August 2000)
ComparisonCommon Band (CB) Dedicated Band (DB) Multiple Re-Use Patterns
(MRP)Maximum number of BCCHfrequencies leads to goodBSIC performance
Less BCCH frequenciesrequire higher planningeffort
Less BCCH frequenciesrequire higher planningeffort
BCCH to TCH interferencelimits gains of fractionalload, PC and DTX
Good gains to be expectedfrom fractional load, PCand DTX
Good gains to be expectedfrom fractional load, PCand DTX
Good interference diversitywith CH can be planned byavoiding frequency groups
Good interference diversitywith CH can be planned byavoiding frequency groups
Some interference diversitywith CH can be plannedsince no frequency groupsare used
Maximum degrees offreedom for frequencyassignment algorithms
Good performance offrequency assignmentalgorithms
Unnecessary limitations areput onto the frequencyassignment algorithmsleading to non optimumsolutions
Manual planning maybecome difficult
Manual planning maybecome difficult for bothTCH and BCCH
Manual planning issupported for TCH throughlayer concept
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Network Planning
RF Strategy (August 2000)
RF Planning Strategy (Summary)• Freq. Plan with Dedicated Band
– 15 21Cities : BCCH and TCH– 11 111 1111 111111 11 11111:1818 ()
• Implement DTX in Downlink for all area (NE)• Implement BFH for sites which more than 2 TRXs (NE)• In some key cities, activated Power control in Downlink• Trial SFH (in KKN), achieve more capacity with good cal
l quality• Trial HCS (in RYG), reduce traffic for high antenna sites• Trial Extended Cell (in TRT)
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Network Planning
RF Strategy (August 2000)
Downlink Power Control result (I)
0.00%
0.50%
1.00%
1.50%
2.00%
2.50%
3.00%
3.50%
No PC 10-16 Jul 3.28% 1.53% 1.31% 0.43% 1.02%
No PC 17-23 Jul 2.60% 1.26% 0.82% 0.53% 0.98%
No PC 24-30 Jul 2.59% 1.06% 0.56% 0.97% 0.97%
PC 31Jul-6 Aug 2.38% 0.97% 0.46% 0.96% 1.06%
PC 7-13 Aug 1.92% 1.00% 0.42% 0.50% 0.78%
Drop call rate(FAT
Ph7)
Drop rate(TCH
loss)
Drop rate(Inter HO
Drop)
Drop rate(Intra HO
Drop)SD Drop rate
• Area:– Khon Kaen
City
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Network Planning
RF Strategy (August 2000)
Downlink Power Control result (II)
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%
80.00%
90.00%
100.00%
No PC 10-16 Jul 87.37% 87.37% 88.93%
No PC 17-23 Jul 91.50% 91.50% 88.81%
No PC 24-30 Jul 72.19% 72.19% 88.21%
PC 31Jul-6 Aug 80.81% 80.81% 88.07%
PC 7-13 Aug 93.36% 93.36% 89.86%
HO Succ rate IntraBSC Succ rate Call Setup Succ rate
• Area:– Khon Kaen
City
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Network Planning
RF Strategy (August 2000)
Agenda• Man Power and Work Structure• RF Strategic Planning• Capacity Enhancement• Existing Offered Traffic VS. Forecast traffic• Congestion Status• Limitation and constriants• Trial Schedule
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Network Planning
RF Strategy (August 2000)
Capacity Enhancement• Outline
– Introduction of Options and Methods for Capacity Enhancement
– Queuing, Directed Retry– Half Rate– Radio Link Control Options (FH, PC, DTX)– Concentric Cells– Adaptive Antennas– Multiband Operation– Hierarchical Cell Structures (HCS)– Super City (Cell splitting)
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Network Planning
RF Strategy (August 2000)
Introduction Options for Capacity Enhancement
BaseStatio
ndensi
ty
Frequency
reuse
Averagechannel utilisation
TDMA slotsper carrier
Spectrumfor
operator
Channelspacing
CapacityCapacity
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Network Planning
RF Strategy (August 2000)
Introduction General Methods for Capacity Enhancement
GSM
Frequencyreuse
BSdensit
y
channel utilisation
8 for FR16 for
HR
Spectrumf.
operator
5per MHz
traffic
area
traffic
channel
channels
carrier
carriers
bandwidth
1
cluster sizebandwidth
sites
area
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Network Planning
RF Strategy (August 2000)
Directed Retry
Redistribution of traffic following
the network structure
Adaptation to load variations
RequestsSpectru
m Resourc
es
Requests
Resourc
es
Handover due to Traffic
Load/Directed Retry
Redistribution of network
resources following the actual traffic distribution
Dynamic Channel Allocation/ Dynamic Resources Allocation
Already activate in AIS network
•call setup signalling on SDCCH at selected cell (best cell)•no TCH available at selected cell=> Directed Retry (Handover) to a TCH in a neighbour cell
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Network Planning
RF Strategy (August 2000)
Directed Retry
Handover(Out)
Handover(In)
Call Setup
Call End
Handover due toTraffic Load
AccessBarring
DirectedRetry
Handover regardingTraffic Load
ForcedRelease
Methods for Load Regulation
Already activate in AIS network
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Network Planning
RF Strategy (August 2000)
Half Rate Channels
2 TCH/H
Multiplexing of 2 Traffic Channels on1 TDMA time slot
1 TCH/F
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Network Planning
RF Strategy (August 2000)
Why do we need RLC feature? (FH/DTX/PC)
no hopping
Qua
lity
Pr o
babi
lity
Traffic Load
hopping
Capacity Gain
Quality Gain
• achieve additional capacity
• maintaining at the same time the quality or performance in the network
• improve quality at a given traffic load distribution
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Network Planning
RF Strategy (August 2000)
Frequency Planning (Base Band FH)• Base Band Frequency Hopping / DTX / PC
– 7 reuse feasible for TCH
• Use dedicated band– BCCH 15 frequencies -> 15 reuse (ARFCN 59-73)– TCH 21 frequencies -> 21 frequencies (ARFCN 38-
58)
• Total TCH channels per cell = 21/7 = 3• Maximum configuration (aveg.) 4/4/4
– requires good physical network structure
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Network Planning
RF Strategy (August 2000)
Frequency Planning (Synthesized FH) (I)• Synthesized Frequency Hopping / DTX
/ PC• Use aggressive TCH reuse strategies
– 11/ reuse pattern
– 11111111 /3
BA
CB
A
C
BA
CB
A
C
AAA
AAA
AAAA
AA
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Network Planning
RF Strategy (August 2000)
Frequency Planning (Synthesized FH) (II)• Capacity may no longer be limited by hard bl
ocking (Erlang B) but by interference– Soft Blocking– Capacity determined by Simulations– Example :
• 21BCCH reuse:• 11TCH reuse: /• 15no. of TCH hopping freq. Per cell• 111():13. 3• 111111111’:3( 4/ 4/4 )
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Network Planning
RF Strategy (August 2000)
Comparison between BFH and SFH (I)
RF1
RF2
RF3
RF4
BB1
BB2
BB3
BB4
1
2
3
4
Filt
er C
ombi
ning
TX Antenna
RF1..n
RF1..n
RF1..n
BB1
BB2
BB3
BB4
RF1..n
1
2
3
4
TX Antenna
Hyb
rid C
ombi
ng
Frame N? 0Frame N? 1Frame N? 2Frame N? 3
BFH SFH
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Network Planning
RF Strategy (August 2000)
Comparison between BFH and SFH (II)Baseband Frequency Hopping (BFH) Synthesised Frequency Hopping (SFH)
Number of TRXs must be equal to thenumber of assigned frequencies -> lowhopping gains for e.g. 2 TRX cells
More hopping frequencies than installedTRXs may be used -> maximum hoppinggains at moderate cost
Non-hopping frequency plan can be used New frequency plan with tighter re-use shouldbe generated for hopping gains
Typically, re-use is not extremely tight andfrequencies are used at hard blocking limits
Tight (5..9) to extremely tight re-use (1x3,1x1) can be achieved by fractional load onused frequencies
e.g. 40% gain over no FH in same plan e.g. 100% capacity gain with new frequencyplan over no FH in original plan (no PC orDTX yet!)
TPU1 can be used TPU2 must be used
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Network Planning
RF Strategy (August 2000)
Comparison between BFH and SFH (III)
Baseband Frequency Hopping (BFH) Synthesised Frequency Hopping (SFH)Low insertion losses by filter combiningHigh number of TRXs can be combined
DUCOM insertion losses ok up to 4:1Higher insertion losses from HYCOM
Hopping over BCCH can be used -> hoppinggains for TCHs and SDCCH on TRX0
Hopping over BCCH cannot be usedSDCCH can be allocated on non BCCHTRXs only
Frequency re-planning required for new TRXin a cell
New TRX can be added in a cell withoutfrequency re-planning
Faulty TRX causes cell reconfiguration withloss of all TCHs, since all hopping TCHs areaffected
Faulty TRX only drops calls on that TRX, nocell reconfiguration required
An anchor frequency for the no-FH case mustbe assigned to each TRX.
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Network Planning
RF Strategy (August 2000)
Frequency Hopping• Advantages
– Interference averaging– frequency diversity– achieve additional capacity with the same quality
in the network (or nearly)• Implementations– BFH
• Advantages:– Ca n use filter combiner– BCCH carrier can hop
• Disadvantage– 1 TRX per freq. In hopping s
equence
– SFH• Advantage:
– can hop over more freq. Than no . of TRX’s (1 /1 or 1 /3 reuse)
• Disadvantages:– BCCHcar r i er can not hop– can not use Fi l t er conbi ner
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Network Planning
RF Strategy (August 2000)
Concentric Cells
cell splitting: "inner" and "outer" area
- outer channels usable by inner area
one BCCH carrier for both areas
high frequency reuse in inner areas, e.g.
- cluster 3x3 for outer area
- cluster 1x3 for inner area
handover between inner and outer area:
- due to level
- due to distance and level
- due to CIR (Intellig. Underlay Overlay)
one antenna system for both areas
PrincipleNetwork Layout
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Network Planning
RF Strategy (August 2000)
Concentric Cells
Conclusions higher capacity potential for hierarchical cells concentric cells for special application areas
Conclusions higher capacity potential for hierarchical cells concentric cells for special application areas
Advantages economical usage of sites &
antennas high frequency reuse high capacity gain if traffic
concentrated in inner area (Hot Spot Detection)
Advantages economical usage of sites &
antennas high frequency reuse high capacity gain if traffic
concentrated in inner area (Hot Spot Detection)
Disadvantages limited number of inner "cells" small gain for homogeneous
traffic inflexible installation: no adaption to traffic distribution
Disadvantages limited number of inner "cells" small gain for homogeneous
traffic inflexible installation: no adaption to traffic distribution
Comparison with Hierarchical Cells
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Network Planning
RF Strategy (August 2000)
Adaptive Antennas• Principle (I)
– adaptation of "antenna diagram" to reception condition
– increase of antenna gain and cell radius by small beams
– reduction of interference -> reduction of cluster size -> capacity gain• interfere notching• small beams (less interference received in UL / less
interference spread in DL)
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Network Planning
RF Strategy (August 2000)
Adaptive Antennas• Principle(II)
– Adaptation:• switching between beams• really adaptive electronic beam forming
– BCCH carrier has to be transmitted within the whole cell
– Space Division Multiple Access SDMA:• multiple usage of one physical channel at
same site additional capacity gain
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Network Planning
RF Strategy (August 2000)
Multiband Operation
GSM90025MHz
DCS180075MHz
e.g. 4MHz (ca. 20 carriers)each operator
e.g. 4MHz(ca. 20 carriers)each operator
8MHz(ca. 40 carriers)each operator
Principle
Note:According to the GSM-specifications this principle can be extended to other GSM-bands as well (UIC, PCS).”Multiband operation of GSM/DCS1800 by single operator”
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Network Planning
RF Strategy (August 2000)
Multiband Operation
GSMBTS
GSMBTS
GSMBTS
GSMBTS
GSMBTS
GSMBTS
GSMBTS
GSMBTS
GSMBTS
GSMBTS
DCSBTS
DCSBTS
DCSBTS
DCSBTS
GSMBSC
GSMBSC
DualbandBSC
DualbandBSC
MSCMSC
HOe.g. city area with
new DCS-microcells for traffic hot-spots
e.g. rural area withoutadditional DCS-cells
Network architecture (HO between GSM and DCS)
HO
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Network Planning
RF Strategy (August 2000)
Hierarchical Cell Structures
• Combined Cell Architecture for RF coverage of “blackspots” and improved traffic capacity within traditional cell architecture
• Combined Cell Architecture for RF coverage of “blackspots” and improved traffic capacity within traditional cell architecture
• Plain Microcellular Architecture (Standalone microcells)• Plain Microcellular Architecture (Standalone microcells)
• Hierarchical Cell Structure (multiple layer coverage)
– Hotspot Coverage (Indoor & Outdoor) in areas of localized high traffic density – Contiguous Microcellular Coverage over areas of dense pedestrian traffic
• Hierarchical Cell Structure (multiple layer coverage)
– Hotspot Coverage (Indoor & Outdoor) in areas of localized high traffic density – Contiguous Microcellular Coverage over areas of dense pedestrian traffic
Deployment of MicrocellsIntroduction
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Network Planning
RF Strategy (August 2000)
Hierarchical Cell Structures• low transmit power• antenna below roof top• coverage of high traffic
areas• basically serves low
speed MS
• high transmit power• antenna above roof top• global coverage• basically serve high speed
MS• overflow traffic from micros
• kind of “redundancy” Multiple Layer HCS: e.g. introducing a 3-rd layer: large
umbrella cellfor overflow traffic from small cells (1 .. 2 km)
Dual Band HCS: e.g. upper layer GSM900, lower layer DCS1800
Lower Layer MicrocellsUpper Layer Macrocells
Principles
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Network Planning
RF Strategy (August 2000)
Hierarchical Cell Structures
O Ls
L
E
C
C
I
P Indoor coverageOutdoor Installation
Parking lot
Contiguous Microcellular Coverage
Hotspot
Subway Coverage Extension
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Network Planning
RF Strategy (August 2000)
Hierarchical Cell StructuresFast moving mobiles cause
Solution: Intelligent Handover Functionality
Control of handover decisions based onMobile Speed Sensitive Handover CriterionMobile Speed Sensitive Handover Criterion
• excessive signaling load in the fixed network dramatically increasing number of handovers per call
time critical handovers out of microcell• higher call drop probability
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Network Planning
RF Strategy (August 2000)
Principle of Mobile Speed Sensitive
Serving cellMobile Speed
High Low
Umbrella cell Keep MS in Umbrellacell layer
„Drop“ MS intoMicrocell layer
Microcell „Steer“ MS intoUmbrella cell layer
Keep MS inmicrocell layer
HandoverHandover Decision Matrix
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Network Planning
RF Strategy (August 2000)
Principle of Mobile Speed SensitiveHandover
Example: Call setup in Umbrella Cell Layer
Start timer
...
dtime (U )
Timer expired Umbrella cell
T=480ms
B e t t e r c e l lb o u n d a r y o fm ic r o c e l l
T=480ms . . .
Start timer
dtime (U )Umbrella cell
Microcell size
B e t t e r c e l lb o u n d a r y o fm ic r o c e l l
KEEP fast-moving MS inumbrella cell layer
Reset timer
T=480ms
DROP slow-moving MS intomicro cell layer
Umbrella cell = serving cell dtime(U microcell sizecritical mobile speed
Microcell size
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Network Planning
RF Strategy (August 2000)
HCS conclusion micro cells as an flexible method for capacity and coverage
enhancement
for capacity purposes mainly applied in hierarchical cell structures
– implementation by intelligent (speed sensitive) handover
– applicable in multi vendor environment (harmonisation of algorithms?)
efficient handling of close proximity scenarios by micro BTS classes
capacity increase by factor 2 - 3 compared to sectorized small cells
economical realisation for various scenarios by using micro BTSs
– low cost for site, installation and operation
Site acquisition problem for normal BTSs expected to escalade!
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Network Planning
RF Strategy (August 2000)
Very Small Cells (SUPERCITYTM)Start:
• Cluster 4x3, cell area: 0.65 km2
• site-to-site-distance: about 1.5 km• identify congestion center & central site
First Step: • cell splitting: 8 new sites• site-to-site-dist: 0.7 km with cluster 4x3• keep original frequency plan for the other cells
Second Step: • repeat step 1• site-to-site-distance: 300 ... 400 m• total traffic density increase by factor 16
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Network Planning
RF Strategy (August 2000)
Summary General Methods for Capacity Enhancement
GSM
Frequencyreuse
BSdensit
y
channel utilisation
8 for FR16 for
HR
Spectrumf.
operator
5per MHz
traffic
area
traffic
channel
channels
carrier
carriers
bandwidth
1
cluster sizebandwidth
sites
area
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Network Planning
RF Strategy (August 2000)
Agenda• Man Power and Work Structure• RF Strategic Planning• Capacity Enhancement• Existing Offered Traffic VS. Forecast traffic• Congestion Status• Limitation and constriants• Trial Schedule
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Network Planning
RF Strategy (August 2000)
Existing Offered Traffic VS AIS marketing forecast
-
500.00
1,000.00
1,500.00
2,000.00
2,500.00
3,000.00
3,500.00
Offered Now 1,576.41 438.45 339.48 223.18 203.71 98.65 96.48 79.75
Forecast Now 1,940.71 485.22 427.68 234.22 241.53 135.80 115.89 115.16
Forecast End of 2000 2,348.10 587.25 525.14 302.59 306.16 174.77 142.85 153.45
Expected End of 2000 2,517.68 700.45 549.84 369.44 340.69 167.65 157.01 140.46
Installed End of 2000 3,320.53 1,039.57 824.05 539.45 531.45 302.80 279.87 349.03
CBI RYG CCO CTI PRI NYK SKW TRT
CE
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Network Planning
RF Strategy (August 2000)
-
200.00
400.00
600.00
800.00
1,000.00
1,200.00
1,400.00
1,600.00
Offered Now 569.23 306.47 241.14 182.26 102.32 97.59 79.45 77.00 69.47
Forecast Now 736.61 360.14 275.21 215.52 129.17 74.18 100.43 103.66 97.67
Forecast End of 2000 910.36 442.74 332.48 339.63 154.20 93.60 127.02 126.36 115.33
Expected End of 2000 927.94 497.32 382.93 296.00 156.45 150.71 132.63 123.90 108.28
Installed End of 2000 1,455.92 871.18 662.94 639.79 301.48 220.37 235.68 172.90 228.09
NMA KKN UDN UBN BRM SNK NKI RET SRN
Existing Offered Traffic VS AIS marketing forecast
NE (I)
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Network Planning
RF Strategy (August 2000)
Existing Offered Traffic VS AIS marketing forecast
NE (II)
-
50.00
100.00
150.00
200.00
250.00
Offered Now 61.43 56.09 49.94 48.57 39.17 30.99 28.44 27.58 25.57 23.88
Forecast Now 62.29 71.25 67.66 66.02 46.68 41.47 34.23 35.58 29.21 24.45
Forecast End of 2000 77.52 86.74 81.90 81.53 55.89 50.93 41.47 43.72 37.03 29.32
Expected End of 2000 98.19 90.13 79.79 79.18 61.90 50.23 45.48 44.73 41.20 36.76
Installed End of 2000 189.15 185.19 122.63 208.08 116.15 64.53 84.24 87.26 95.43 64.53
MKM SSK CPM KSN NPM LEI YST MDH NLP ACR
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Network Planning
RF Strategy (August 2000)
Agenda• Man Power and Work Structure• RF Strategic Planning• Capacity Enhancement• Existing Offered Traffic VS. Forecast traffic• Congestion Status• Limitation and constriants• Trial Schedule
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Network Planning
RF Strategy (August 2000)
Congestion Status (AIS-CE) hot cities
0
10
20
30
40
50
60
Now Congested Cell 15 9 2 5 3 11 3
Now Total Cell 43 29 22 17 12 15 9
Now % Congested Cell 35% 31% 9% 29% 25% 73% 33%
End of 2000 Congested Cell 12 11 6 7 3 11 3
End of 2000 Total Cell 57 49 24 21 18 18 12
End of 2000 % Congested Cell 21% 22% 25% 33% 17% 61% 25%
PTY CBI CCO CTI RYG SRA PRI
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Network Planning
RF Strategy (August 2000)
0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
30.00%
35.00%
40.00%
Jun 28.00% 22.22% 35.63% 10.00% 19.64% 23.76% 9.09% 3.70%
Jul 10.67% 1.23% 23.48% 10.00% 19.64% 22.77% 12.12% 3.70%
Aug 13.33% 2.47% 23.89% 10.00% 23.21% 24.75% 12.12% 3.70%
Sep 14.67% 3.70% 23.89% 13.33% 25.00% 25.74% 15.15% 3.70%
Oct 14.67% 3.70% 24.70% 20.00% 26.79% 25.74% 15.15% 5.56%
Nov 17.33% 3.70% 27.13% 20.00% 26.79% 25.74% 18.18% 5.56%
Dec 8.00% 8.64% 13.77% 6.67% 7.14% 5.94% 3.03% 0.00%
CHACHOEN
G SOA
CHANTHABU
RICHONBURI
NAKHON
NAYOKPACHIN BURI RAYONG SAKAEW TRAT
Congestion Status (AIS-CE)
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Network Planning
RF Strategy (August 2000)
Congestion Status (AIS-NE) hot cities
0
5
10
15
20
25
30
35
40
Now Congested Cell 6 3 3 2 1 3 1 1 0 2
Now Total Cell 31 29 12 18 9 6 3 3 6 9
Now % Congested Cell 19% 10% 25% 11% 11% 50% 33% 33% 0% 22%
End of 2000 Congested Cell 8 7 1 6 0 3 1 2 1 1
End of 2000 Total Cell 37 31 24 22 12 9 6 6 6 9
End of 2000 % Congested Cell 22% 23% 4% 27% 0% 33% 17% 33% 17% 11%
NMA KKN UBN UDN SRN RET SKN NKI MKM BRM
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Network Planning
RF Strategy (August 2000)
Congestion Status (AIS-NE)
0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
Jul 0.00% 10.26% 3.23% 16.06% 7.41% 5.26% 13.46% 0.00%
Aug 0.00% 10.26% 3.23% 16.06% 7.41% 5.26% 15.38% 0.00%
Sep 0.00% 15.38% 3.23% 17.52% 7.41% 5.26% 15.38% 0.00%
Oct 0.00% 15.38% 3.23% 19.71% 7.41% 5.26% 15.38% 0.00%
Nov 0.00% 15.38% 3.23% 21.17% 14.81% 5.26% 15.38% 0.00%
Dec 0.00% 0.00% 3.23% 7.30% 14.81% 2.63% 7.69% 0.00%
AMJ BRM CPM NMA SSK SRN UBN YST
18/8/00
Network Planning
RF Strategy (August 2000)
Congestion Status (AIS-NE)
0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
Jul 17.65% 8.54% 8.33% 3.70% 8.33% 0.00% 13.04% 11.11% 13.79% 5.88% 8.06%
Aug 17.65% 9.76% 8.33% 3.70% 8.33% 4.76% 13.04% 11.11% 13.79% 5.88% 11.29%
Sep 17.65% 9.76% 8.33% 7.41% 8.33% 4.76% 13.04% 11.11% 13.79% 5.88% 12.90%
Oct 17.65% 9.76% 8.33% 11.11% 8.33% 4.76% 17.39% 11.11% 17.24% 8.82% 12.90%
Nov 17.65% 10.98% 8.33% 14.81% 8.33% 4.76% 21.74% 11.11% 20.69% 11.76% 12.90%
Dec 17.65% 8.54% 16.67% 3.70% 8.33% 0.00% 8.70% 22.22% 24.14% 2.94% 11.29%
KSN KKN LEI MKM MDH NPM NKI NLP RET SNK UDN
18/8/00
Network Planning
RF Strategy (August 2000)
Agenda• Man Power and Work Structure• RF Strategic Planning• Capacity Enhancement• Existing Offered Traffic VS. Forecast traffic• Congestion Status• Limitation and constriants• Trial Schedule
18/8/00
Network Planning
RF Strategy (August 2000)
Limitation and constrain• With high traffic area -> Adjacent
interference have to accept (if not effect in quality criteria)
• To limit coverage area -> some area will be effected in coverage which have to accept for overall network quality
• TOT limitation• Frequency spectrum for high capacity area
18/8/00
Network Planning
RF Strategy (August 2000)
AIS-CE RX_Qual and Rx_Lev for City
0
10
20
30
40
50
60
70
-11
0
-10
6
-10
2
-98
-94
-90
-86
-82
-78
-74
-70
-66
-62
-58
-54
-50
-46
-42
-38
-34
-30
RxLevel
Nu
mb
er o
f sa
mp
les
Q4
Q5
Q6
Q7
0
50
100
150
200
250
300
350
400
450
500
-11
0
-10
6
-10
2
-98
-94
-90
-86
-82
-78
-74
-70
-66
-62
-58
-54
-50
-46
-42
-38
-34
-30
RxLevel
Nu
mb
er o
f sa
mp
les
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
18/8/00
Network Planning
RF Strategy (August 2000)
AIS-CE RX_Qual and Rx_Lev for Highway
0
50
100
150
200
250
300-1
10
-10
6
-10
2
-98
-94
-90
-86
-82
-78
-74
-70
-66
-62
-58
-54
-50
-46
-42
-38
-34
-30
RxLevel
Nu
mb
er o
f sa
mp
les
Q4
Q5
Q6
Q7
0
100
200
300
400
500
600
700
800
900
1000
-11
0
-10
6
-10
2
-98
-94
-90
-86
-82
-78
-74
-70
-66
-62
-58
-54
-50
-46
-42
-38
-34
-30
RxLevel
Nu
mb
er o
f sa
mp
les
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
18/8/00
Network Planning
RF Strategy (August 2000)
0
2
4
6
8
10
12
-11
0
-10
6
-10
2
-98
-94
-90
-86
-82
-78
-74
-70
-66
-62
-58
-54
-50
-46
-42
-38
-34
-30
-26
RxLevel
Nu
mb
er
of
Sam
ple
s
Q4
Q5
Q6
Q7
AIS-NE RX_Qual and Rx_Lev for City
0
20
40
60
-110
-107
-104
-101 -98
-95
-92
-89
-86
-83
-80
-77
-74
-71
-68
-65
-62
-59
-56
-53
-50
-47
-44
-41
-38
-35
-32
-29
-26
RxLevel
Nu
mb
er o
f S
amp
les
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
18/8/00
Network Planning
RF Strategy (August 2000)
0
20
40
60
80
100
120
140
RxLevel
Nu
mb
er o
f S
amp
les
Q4
Q5
Q6
Q7
AIS-NE RX_Qual and Rx_Lev for Highway
0
100
200
300
400
500
RxLevel
Nu
mb
er o
f S
amp
les
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
18/8/00
Network Planning
RF Strategy (August 2000)
Agenda• Man Power and Work Structure• RF Strategic Planning• Capacity Enhancement• Existing Offered Traffic VS. Forecast traffic• Congestion Status• Limitation and constriants• Trial Schedule
18/8/00
Network Planning
RF Strategy (August 2000)
Feature Trial (I)• Synthesized Frequency Hopping
– 1111 1 1111 1111 1111 :• 2 1x reuse pattern• 1 3
– : 20 00– 1:
BBB
AAA
BBB
AAA
BA
CB”
A”
C”
B*A*
C*B’
A’
C’
Time Activity
Day 1 SFH workshop in AIS-NE
Day 2
Day 3 Implement SFH / check database
Day 4 Testing / optimization
Day 5
Day 6
Day 7
Day 8
Day 9
Day 10
Day 11
Day 12 Prepare analysis report
Day 13
Day 14
Day 15 Workshop to AIS
18/8/00
Network Planning
RF Strategy (August 2000)
Feature Trial (II)• Hierarchical Cell Structures
– Proposed area : Rayong with Khao Yaida– 2000Time: September– 1:
Time Activity
Day 1 HCS workshop in AIS-NE
Day 2 Implement HCS / check database
Day 3 Testing / optimization
Day 4
Day 5
Day 6
Day 7 Prepare analysis report
Day 8
Day 9 Workshop to AIS
18/8/00
Network Planning
RF Strategy (August 2000)
Feature Trial (III)• Extended Cell
– Proposed area : Trat– Time : depend on request