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Proprietary and Confidential
UMTS Antenna ConfigurationUMTS Antenna Configuration
ScenarioScenario
Proprietary and Confidential Slide 2
Scenario 1: GSM UntouchedScenario 1: GSM Untouched
Existing Configuration:
– 3 dual pol antennas (72 inches); antenna count can be increased
– 2 lines per antenna; additional lines can be installed
– 2 TMAs
– No RET
Proposed Configuration:
– Add one new AWS antenna (dual pol) with RET for UMTS (4th
antenna)
– Add two new feeder cables for UMTS and RET cable
– Add new AWS twin TMA
Proprietary and Confidential Slide 3
Scenario 1: GSM Untouched (continued)Scenario 1: GSM Untouched (continued)
Pros:
– No impact on GSM as the system will be untouched (except for some possible
minor movement of one antenna depending on existing arrangement)
– Easier implementation
– Azimuth and tilt can be independently adjusted for both GSM and UMTS
Cons:
– Additional rent cost for the extra TMA and antenna for UMTS
– Additional active elements means more points of failure
Proprietary and Confidential Slide 4
GSM Untouched: Existing ConfigurationGSM Untouched: Existing Configuration
Proprietary and Confidential Slide 5
GSM Untouched : ProposedGSM Untouched : Proposed
ConfigurationConfiguration
Actuator
Most
Preferred
Least
Preferred
GSM
Untouched
Proprietary and Confidential Slide 6
Scenario 2: RET For AllScenario 2: RET For All
Existing Configuration:
– 3 dual pol antennas (72 inches); antenna count can be increased
– 2 lines per antenna; additional lines can be installed
– 2 TMAs
– No RET
Proposed Configuration (1):
– Add one new AWS antenna (dual pol) with RET for UMTS (4th
antenna)
– Replaced old PCS antennas with new antennas with RET capability
– Add two new feeder cables for UMTS and RET cables
– Replace existing TMAs with twin AWS/PCS TMAs
Proprietary and Confidential Slide 7
Scenario 2: RET For All (continued)Scenario 2: RET For All (continued)
Pros:
– GSM gets newer antennas and RET capability
– GSM gets new TMAs
– Azimuth and tilt can be independently adjusted for both GSM and UMTS
Cons:
– Cost for replacing GSM antennas and TMAs
– Additional rent cost for the extra TMA and antenna for UMTS
Proprietary and Confidential Slide 8
RET For All: Existing ConfigurationRET For All: Existing Configuration
Proprietary and Confidential Slide 9
RET For All: Proposed ConfigurationRET For All: Proposed Configuration
Actuators
Most
Preferred
Least
Preferred
RET For
ALL
Proprietary and Confidential Slide 10
Scenario 3: I Love QuadsScenario 3: I Love Quads
Existing Configuration:
– 3 dual pol antennas (72 inches); antenna count cannot be increased
– 2 lines per antenna; additional lines can be installed
– 2 TMAs
– No RET
Proposed Configuration:
– Replace all antennas with quad pol AWS with RET capability
– Replace existing TMAs with new AWS/PCS twin TMAs
– Add two new feeder cables for UMTS and RET cables
Proprietary and Confidential Slide 11
Scenario 3: I Love Quads (continued)Scenario 3: I Love Quads (continued)
Pros:
– Same antenna count (a plus for zoning, leasing and structural aspects)
– RET is separate between GSM and UMTS sharing the same quad pol antenna
(independent tilt adjusted for GSM and UMTS)
Cons:
– Azimuth cannot be independently adjusted for the antenna where GSM and
UMTS is located
Proprietary and Confidential Slide 12
I Love Quads: Existing ConfigurationI Love Quads: Existing Configuration
Proprietary and Confidential Slide 13
Actuators
I Love Quads: Proposed ConfigurationI Love Quads: Proposed ConfigurationMost
Preferred
Least
Preferred
I Love
Quads
Proprietary and Confidential Slide 14
Scenario 4: No Room To GrowScenario 4: No Room To Grow
Existing Configuration:
– 2 quad pol antennas (72 inches); antenna count cannot be increased
– 4 lines per antenna (no additional lines can be added)
– 2 TMAs
– No RET
Proposed Configuration:
– Replace all existing antennas with quad pol AWS with RET capability
– Replace existing TMAs with new AWS/PCS twin TMAs
– Combine GSM TRXs to free up 2 feeder cables for UMTS (ensure even
combining of GSM TRXs)
Note: This scenario is applicable also for existing configuration using dual pol antennas and no new lines can be
added
Proprietary and Confidential Slide 15
Scenario 4: No Room To GrowScenario 4: No Room To Grow
(continued)(continued)
Pros:
– UMTS can be deployed on the site
– New antennas for GSM
– New TMAs for GSM
– Independent tilt and azimuth adjustment for both GSM and UMTS
Cons:
– Additional loss in GSM (due to combining)
– Increased cost to offset additional loss due to combining if MCPAs are used
– Loss of space diversity in GSM
Proprietary and Confidential Slide 16
No Room To Grow : ExistingNo Room To Grow : Existing
ConfigurationConfiguration
Proprietary and Confidential Slide 17
No Room To Grow : Proposed ConfigurationNo Room To Grow : Proposed Configuration
Actuators
Most
Preferred
Least
Preferred
No Room
To Grow
Proprietary and Confidential Slide 18
Scenario 5: “Two” Few LinesScenario 5: “Two” Few Lines
Existing Configuration:
– 1 dual pol antenna (72 inches); antenna count cannot be increased
– 2 lines per antenna (no additional lines can be added)
– 2 TMAs
– No RET
Proposed Configuration:
– Replace all existing antennas with dual pol AWS with RET capability
– Replace existing TMAs with new Diplexer/TMA unit
– Diplex GSM and UMTS to fit into 2 lines
Proprietary and Confidential Slide 19
Scenario 5: “Two” Few Lines (continued)Scenario 5: “Two” Few Lines (continued)
Pros:
– UMTS can be deployed on the site
– New antenna for GSM
– New TMA for GSM
– Diplexing option is cheaper than MCPA
Cons:
– Additional loss in GSM and UMTS (due to diplexing but lower than combining)
– Possible intermodulation product at certain frequency pairs
– Azimuth and tilt cannot be independently adjusted for both GSM and UMTS
Proprietary and Confidential Slide 20
““Two” Few Lines: Existing ConfigurationTwo” Few Lines: Existing Configuration
Proprietary and Confidential Slide 21
““Two” Few Lines: ProposedTwo” Few Lines: Proposed
ConfigurationConfigurationMost
Preferred
Least
Preferred
“Two” Few
Lines
Proprietary and Confidential Slide 22
Summary (Level of Preference)Summary (Level of Preference)
Least
Preferred
Most
Preferred
GSMUntouched
RETForAll
ILoveQuads
TwoFewLines
NoRoomToGrow

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UMTS

  • 1. Proprietary and Confidential UMTS Antenna ConfigurationUMTS Antenna Configuration ScenarioScenario
  • 2. Proprietary and Confidential Slide 2 Scenario 1: GSM UntouchedScenario 1: GSM Untouched Existing Configuration: – 3 dual pol antennas (72 inches); antenna count can be increased – 2 lines per antenna; additional lines can be installed – 2 TMAs – No RET Proposed Configuration: – Add one new AWS antenna (dual pol) with RET for UMTS (4th antenna) – Add two new feeder cables for UMTS and RET cable – Add new AWS twin TMA
  • 3. Proprietary and Confidential Slide 3 Scenario 1: GSM Untouched (continued)Scenario 1: GSM Untouched (continued) Pros: – No impact on GSM as the system will be untouched (except for some possible minor movement of one antenna depending on existing arrangement) – Easier implementation – Azimuth and tilt can be independently adjusted for both GSM and UMTS Cons: – Additional rent cost for the extra TMA and antenna for UMTS – Additional active elements means more points of failure
  • 4. Proprietary and Confidential Slide 4 GSM Untouched: Existing ConfigurationGSM Untouched: Existing Configuration
  • 5. Proprietary and Confidential Slide 5 GSM Untouched : ProposedGSM Untouched : Proposed ConfigurationConfiguration Actuator Most Preferred Least Preferred GSM Untouched
  • 6. Proprietary and Confidential Slide 6 Scenario 2: RET For AllScenario 2: RET For All Existing Configuration: – 3 dual pol antennas (72 inches); antenna count can be increased – 2 lines per antenna; additional lines can be installed – 2 TMAs – No RET Proposed Configuration (1): – Add one new AWS antenna (dual pol) with RET for UMTS (4th antenna) – Replaced old PCS antennas with new antennas with RET capability – Add two new feeder cables for UMTS and RET cables – Replace existing TMAs with twin AWS/PCS TMAs
  • 7. Proprietary and Confidential Slide 7 Scenario 2: RET For All (continued)Scenario 2: RET For All (continued) Pros: – GSM gets newer antennas and RET capability – GSM gets new TMAs – Azimuth and tilt can be independently adjusted for both GSM and UMTS Cons: – Cost for replacing GSM antennas and TMAs – Additional rent cost for the extra TMA and antenna for UMTS
  • 8. Proprietary and Confidential Slide 8 RET For All: Existing ConfigurationRET For All: Existing Configuration
  • 9. Proprietary and Confidential Slide 9 RET For All: Proposed ConfigurationRET For All: Proposed Configuration Actuators Most Preferred Least Preferred RET For ALL
  • 10. Proprietary and Confidential Slide 10 Scenario 3: I Love QuadsScenario 3: I Love Quads Existing Configuration: – 3 dual pol antennas (72 inches); antenna count cannot be increased – 2 lines per antenna; additional lines can be installed – 2 TMAs – No RET Proposed Configuration: – Replace all antennas with quad pol AWS with RET capability – Replace existing TMAs with new AWS/PCS twin TMAs – Add two new feeder cables for UMTS and RET cables
  • 11. Proprietary and Confidential Slide 11 Scenario 3: I Love Quads (continued)Scenario 3: I Love Quads (continued) Pros: – Same antenna count (a plus for zoning, leasing and structural aspects) – RET is separate between GSM and UMTS sharing the same quad pol antenna (independent tilt adjusted for GSM and UMTS) Cons: – Azimuth cannot be independently adjusted for the antenna where GSM and UMTS is located
  • 12. Proprietary and Confidential Slide 12 I Love Quads: Existing ConfigurationI Love Quads: Existing Configuration
  • 13. Proprietary and Confidential Slide 13 Actuators I Love Quads: Proposed ConfigurationI Love Quads: Proposed ConfigurationMost Preferred Least Preferred I Love Quads
  • 14. Proprietary and Confidential Slide 14 Scenario 4: No Room To GrowScenario 4: No Room To Grow Existing Configuration: – 2 quad pol antennas (72 inches); antenna count cannot be increased – 4 lines per antenna (no additional lines can be added) – 2 TMAs – No RET Proposed Configuration: – Replace all existing antennas with quad pol AWS with RET capability – Replace existing TMAs with new AWS/PCS twin TMAs – Combine GSM TRXs to free up 2 feeder cables for UMTS (ensure even combining of GSM TRXs) Note: This scenario is applicable also for existing configuration using dual pol antennas and no new lines can be added
  • 15. Proprietary and Confidential Slide 15 Scenario 4: No Room To GrowScenario 4: No Room To Grow (continued)(continued) Pros: – UMTS can be deployed on the site – New antennas for GSM – New TMAs for GSM – Independent tilt and azimuth adjustment for both GSM and UMTS Cons: – Additional loss in GSM (due to combining) – Increased cost to offset additional loss due to combining if MCPAs are used – Loss of space diversity in GSM
  • 16. Proprietary and Confidential Slide 16 No Room To Grow : ExistingNo Room To Grow : Existing ConfigurationConfiguration
  • 17. Proprietary and Confidential Slide 17 No Room To Grow : Proposed ConfigurationNo Room To Grow : Proposed Configuration Actuators Most Preferred Least Preferred No Room To Grow
  • 18. Proprietary and Confidential Slide 18 Scenario 5: “Two” Few LinesScenario 5: “Two” Few Lines Existing Configuration: – 1 dual pol antenna (72 inches); antenna count cannot be increased – 2 lines per antenna (no additional lines can be added) – 2 TMAs – No RET Proposed Configuration: – Replace all existing antennas with dual pol AWS with RET capability – Replace existing TMAs with new Diplexer/TMA unit – Diplex GSM and UMTS to fit into 2 lines
  • 19. Proprietary and Confidential Slide 19 Scenario 5: “Two” Few Lines (continued)Scenario 5: “Two” Few Lines (continued) Pros: – UMTS can be deployed on the site – New antenna for GSM – New TMA for GSM – Diplexing option is cheaper than MCPA Cons: – Additional loss in GSM and UMTS (due to diplexing but lower than combining) – Possible intermodulation product at certain frequency pairs – Azimuth and tilt cannot be independently adjusted for both GSM and UMTS
  • 20. Proprietary and Confidential Slide 20 ““Two” Few Lines: Existing ConfigurationTwo” Few Lines: Existing Configuration
  • 21. Proprietary and Confidential Slide 21 ““Two” Few Lines: ProposedTwo” Few Lines: Proposed ConfigurationConfigurationMost Preferred Least Preferred “Two” Few Lines
  • 22. Proprietary and Confidential Slide 22 Summary (Level of Preference)Summary (Level of Preference) Least Preferred Most Preferred GSMUntouched RETForAll ILoveQuads TwoFewLines NoRoomToGrow