Tenxc Bsa Implementation Guideline- Bsa W65 4y3o4r
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TenXc Bi- Sector Array Antenna Implementation Guidelines for 1710- 2170 MHz (W-65) Antenna
Confidentiality Statement This document contains information that is the property of TenXc Wireless. This document, in whole or part, may not be used, disclosed, or reproduced, in any form or by any means including but not restricted to: photographic, electronic, magnetic, and mechanical methods without the express written consent of TenXc Wireless.
Copyright ® 2006 | Proprietary and Confidential
Introduction TenXc’s 1800 MHz Bi-Sector Array is a new and innovative solution for 1710-2170 MHz band networks for enhanced network capacity and quality in high-capacity macro cell sites.. The Bi-Sector Array applies the principle of paired asymmetric beams to higher order sectorization to increase overall site capacity while maintaining optimal coverage. The Bi-Sector Array matches the original 65º pattern with a new asymmetric beam-pair contoured to optimize central overlap and edge roll-off characteristics. The 1800 MHz Bi-Sector Array incorporates the latest in array technology with a single broadband ing two sectors in a highly compact radome design. Network site applications include the replacement of existing 65º or 33º antennas, new capacity site builds, deferral of carrier adds, and spectrum refarming in high demand or spectrum limited markets.
Copyright ® 2006 | Proprietary and Confidential
Bi-Sector Antennas TenXc • Increased capacity with Higher Order Sectorization (HOS): 4, 5 and 6sector sites in GSM • 4 Port Antenna • Two ‘6-sector’ Antennas in a common Radome • Small adjacent sector overlap and asymmetrical reduce interference • Close match of original tri-sector coverage reduces need for optimization for HOS upgrades
Copyright ® 2006 | Proprietary and Confidential
Object- Bi Sector Antenna (BSA) • To achieve High Capacity in High Traffic Cells • Better Interference Containment and Traffic Balance • Use of Higher Order Sectorization in High capacity Sites • Relieve congestion • Enhance Spectral Efficiencies • Use of Back to Back BCCH frequencies • Overcome constraint of adding Trx in spectrum limited • Networks with use of Back to Back BCCH • Improve in building coverage
Copyright ® 2006 | Proprietary and Confidential
Implementation Consideration • Site Numbering Strategy • Strict replacement strategy :A replaced by A&D, B by B&E and C by C&F • Need to allow for growth from 3 to 4, 5 and 6 Sectors • Minimize reconfiguration between 3 and 4, 5 and 6 sector sites • Maintains Sector statistics as much as possible • Allows for Back-to-Back (B2B) BCCH allocations (for GSM Networks)
Copyright ® 2006 | Proprietary and Confidential
Frequency Planning Overall Strategy
Sector
Handover Candidate
• ‘A’ should not be a candidate of ‘E’,etc • Reuse existing 3-sector list: ‘Old list A’ should be used on both A and D • Optimize once MS based measurements or drive testing is performed. • Sector’s naming convention should be A,D,B,E,C and F or in other words 1, 4, 2, 5, 3 and 6 (clockwise).
A
F, D
D
A, B
B
D, E
E
B, C
C
E, F
F
A,C
Copyright ® 2006 | Proprietary and Confidential
Implementation Considerations-II Item Availability of space for additional cabinet for higher TRX Configuration. Availability of Transmission Resources ( Additional E1) for higher TRX counts Upgrading of power resources suitable for higher capacity configurations
Requirement
Check
2 Cabinets
2 E1 for 24 TRX
As required
2 Per Sector
5 to 12 cm mount
<1.4 Required
Feeder Lines to be planned for additional sectors. Suitability of existing pole to replace existing antenna with TenXc antenna VSWR of all feeders and TenXC antennas validation and readings meeting the specifications Copyright ® 2006 | Proprietary and Confidential
Implementation Considerations-III Item Synchronization Between two BTSs OMC data should conform to the two BTSs of each sector in situations where two BSICs are allocated for the same site
Not to use external combiners of local sources
Copyright ® 2006 | Proprietary and Confidential
Requirement
Check
Sync Cable
OMC data verification
Use only Ericsson / NSN / other OEM combiners
Tools Requirement
Standard antenna Implementation tool set used for conventional antennas is adequate
Copyright ® 2006 | Proprietary and Confidential
General Check Points During Installation - I •
• • • •
The BSA antenna should be installed with the same mechanical tilt, electrical tilt and orientation as the antenna being replaced and optimized once KPIs and Drive test data available Remove antenna packing carefully when you are finally ready to install the antenna. While hoisting the antenna, take care that antenna does not strike any tower due to jostling. Also ensure that the rope used for hoisting does not damage the connectors of the centre fed antenna at its back. Ensure RF cable are routed with the sequence of 1-4, 2-5 and 3-6. (Refer slide no. 5)
Copyright ® 2006 | Proprietary and Confidential
General Check Points During Installation - II • • • • •
•
Make sure all connectors are cleaned properly. Check the VSWR of RF cable along with Jumper Cable (If applicable). It should be <=1:1.3 Make some standard color marking in RF cable (Tx & Rx both) to avoid any confusion at the top of the Tower Put weather proofing tape on antenna connector and RF Cable properly If two BTSs are used at one site, both should be of same TRXs configuration. For example if one 4/4/4 TRXs configuration BTS is used, the other colocated BTS should be of same configuration. Colocated BTSs could be interconnected with a sync cable to get very good synchronisation between two BTSs.
Copyright ® 2006 | Proprietary and Confidential
Feeder Cables Connections-Two BTS / 6 Port each
• Existing sector 1 need to be replaced by sector 1& 4, Sector 2 with Sector 2&5 and sector 3 with Sector 3 &6 • RF feeder cables should be connected as per the diagram.
Copyright ® 2006 | Proprietary and Confidential
November 1, 2011
Page 12
Feeder Cables Connections-Single BTS with 12 Port
• Existing sector 1 need to be replaced by sector 1& 4, Sector 2 with Sector 2&5 and sector 3 with Sector 3 &6 • RF feeder cables should be connected as per the diagram.
Copyright ® 2006 | Proprietary and Confidential
Precaution- Tilt Setting of BSA While setting of Antenna tilt when conventional antenna is replaced with BSA of TenXc for 1800 MHz band, the following may be kept in mind: • W-65 FET-- This BSA has 4 degree fixed / inbuilt electrical tilt. While setting the mechanical tilt to match the original tilt setting of the sector, this must be taken into . • W -65 VET– This BSA has minimum 2 degree Electrical tilt. This should be kept in mind while setting the tilt.
Copyright ® 2006 | Proprietary and Confidential
Confidentiality Statement This document contains information that is the property of TenXc Wireless. This document, in whole or part, may not be used, disclosed, or reproduced, in any form or by any means including but not restricted to: photographic, electronic, magnetic, and mechanical methods without the express written consent of TenXc Wireless.
Copyright ® 2006 | Proprietary and Confidential
Introduction TenXc’s 1800 MHz Bi-Sector Array is a new and innovative solution for 1710-2170 MHz band networks for enhanced network capacity and quality in high-capacity macro cell sites.. The Bi-Sector Array applies the principle of paired asymmetric beams to higher order sectorization to increase overall site capacity while maintaining optimal coverage. The Bi-Sector Array matches the original 65º pattern with a new asymmetric beam-pair contoured to optimize central overlap and edge roll-off characteristics. The 1800 MHz Bi-Sector Array incorporates the latest in array technology with a single broadband ing two sectors in a highly compact radome design. Network site applications include the replacement of existing 65º or 33º antennas, new capacity site builds, deferral of carrier adds, and spectrum refarming in high demand or spectrum limited markets.
Copyright ® 2006 | Proprietary and Confidential
Bi-Sector Antennas TenXc • Increased capacity with Higher Order Sectorization (HOS): 4, 5 and 6sector sites in GSM • 4 Port Antenna • Two ‘6-sector’ Antennas in a common Radome • Small adjacent sector overlap and asymmetrical reduce interference • Close match of original tri-sector coverage reduces need for optimization for HOS upgrades
Copyright ® 2006 | Proprietary and Confidential
Object- Bi Sector Antenna (BSA) • To achieve High Capacity in High Traffic Cells • Better Interference Containment and Traffic Balance • Use of Higher Order Sectorization in High capacity Sites • Relieve congestion • Enhance Spectral Efficiencies • Use of Back to Back BCCH frequencies • Overcome constraint of adding Trx in spectrum limited • Networks with use of Back to Back BCCH • Improve in building coverage
Copyright ® 2006 | Proprietary and Confidential
Implementation Consideration • Site Numbering Strategy • Strict replacement strategy :A replaced by A&D, B by B&E and C by C&F • Need to allow for growth from 3 to 4, 5 and 6 Sectors • Minimize reconfiguration between 3 and 4, 5 and 6 sector sites • Maintains Sector statistics as much as possible • Allows for Back-to-Back (B2B) BCCH allocations (for GSM Networks)
Copyright ® 2006 | Proprietary and Confidential
Frequency Planning Overall Strategy
Sector
Handover Candidate
• ‘A’ should not be a candidate of ‘E’,etc • Reuse existing 3-sector list: ‘Old list A’ should be used on both A and D • Optimize once MS based measurements or drive testing is performed. • Sector’s naming convention should be A,D,B,E,C and F or in other words 1, 4, 2, 5, 3 and 6 (clockwise).
A
F, D
D
A, B
B
D, E
E
B, C
C
E, F
F
A,C
Copyright ® 2006 | Proprietary and Confidential
Implementation Considerations-II Item Availability of space for additional cabinet for higher TRX Configuration. Availability of Transmission Resources ( Additional E1) for higher TRX counts Upgrading of power resources suitable for higher capacity configurations
Requirement
Check
2 Cabinets
2 E1 for 24 TRX
As required
2 Per Sector
5 to 12 cm mount
<1.4 Required
Feeder Lines to be planned for additional sectors. Suitability of existing pole to replace existing antenna with TenXc antenna VSWR of all feeders and TenXC antennas validation and readings meeting the specifications Copyright ® 2006 | Proprietary and Confidential
Implementation Considerations-III Item Synchronization Between two BTSs OMC data should conform to the two BTSs of each sector in situations where two BSICs are allocated for the same site
Not to use external combiners of local sources
Copyright ® 2006 | Proprietary and Confidential
Requirement
Check
Sync Cable
OMC data verification
Use only Ericsson / NSN / other OEM combiners
Tools Requirement
Standard antenna Implementation tool set used for conventional antennas is adequate
Copyright ® 2006 | Proprietary and Confidential
General Check Points During Installation - I •
• • • •
The BSA antenna should be installed with the same mechanical tilt, electrical tilt and orientation as the antenna being replaced and optimized once KPIs and Drive test data available Remove antenna packing carefully when you are finally ready to install the antenna. While hoisting the antenna, take care that antenna does not strike any tower due to jostling. Also ensure that the rope used for hoisting does not damage the connectors of the centre fed antenna at its back. Ensure RF cable are routed with the sequence of 1-4, 2-5 and 3-6. (Refer slide no. 5)
Copyright ® 2006 | Proprietary and Confidential
General Check Points During Installation - II • • • • •
•
Make sure all connectors are cleaned properly. Check the VSWR of RF cable along with Jumper Cable (If applicable). It should be <=1:1.3 Make some standard color marking in RF cable (Tx & Rx both) to avoid any confusion at the top of the Tower Put weather proofing tape on antenna connector and RF Cable properly If two BTSs are used at one site, both should be of same TRXs configuration. For example if one 4/4/4 TRXs configuration BTS is used, the other colocated BTS should be of same configuration. Colocated BTSs could be interconnected with a sync cable to get very good synchronisation between two BTSs.
Copyright ® 2006 | Proprietary and Confidential
Feeder Cables Connections-Two BTS / 6 Port each
• Existing sector 1 need to be replaced by sector 1& 4, Sector 2 with Sector 2&5 and sector 3 with Sector 3 &6 • RF feeder cables should be connected as per the diagram.
Copyright ® 2006 | Proprietary and Confidential
November 1, 2011
Page 12
Feeder Cables Connections-Single BTS with 12 Port
• Existing sector 1 need to be replaced by sector 1& 4, Sector 2 with Sector 2&5 and sector 3 with Sector 3 &6 • RF feeder cables should be connected as per the diagram.
Copyright ® 2006 | Proprietary and Confidential
Precaution- Tilt Setting of BSA While setting of Antenna tilt when conventional antenna is replaced with BSA of TenXc for 1800 MHz band, the following may be kept in mind: • W-65 FET-- This BSA has 4 degree fixed / inbuilt electrical tilt. While setting the mechanical tilt to match the original tilt setting of the sector, this must be taken into . • W -65 VET– This BSA has minimum 2 degree Electrical tilt. This should be kept in mind while setting the tilt.
Copyright ® 2006 | Proprietary and Confidential
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