Procedure of Integration Procedure of Integration of Additional PCM for of Additional PCM for

EDGE ConnectivityEDGE Connectivity

Purpose Purpose To overcome the resource constraint at A-bis To overcome the resource constraint at A-bis level additional PCM is going to be incorporated level additional PCM is going to be incorporated to support smooth EDGE service.to support smooth EDGE service.

Purpose of this presentation is to describe the Purpose of this presentation is to describe the physical process for addition of new PCM to physical process for addition of new PCM to support EDGE, both the changes required at RBS support EDGE, both the changes required at RBS level and at BSC level.level and at BSC level.

Two different Scenario has been described:Two different Scenario has been described:

Single Cabinet SiteSingle Cabinet Site

Co-Location SiteCo-Location Site

Single Cabinet SiteSingle Cabinet Site Single Cabinet Site:Single Cabinet Site:

- At Present Single E1 is connected with At Present Single E1 is connected with 900 MHz cabinet900 MHz cabinet

- 2nd E1 (new PCM) will be connected 2nd E1 (new PCM) will be connected with 900 Cabinet at Port C.with 900 Cabinet at Port C.

- IDB need to be reconfigured- IDB need to be reconfigured

- NIC need to configure EDGE onlyNIC need to configure EDGE only

Requirement (Minimum):Requirement (Minimum):

22 PCM Adapter in 900 MHz Cabinet PCM Adapter in 900 MHz Cabinet

(Port A and Port C)(Port A and Port C)

Co-Location SitesCo-Location Sites

Dual Cabinet Site: Dual Cabinet Site:

- At present 2 E1 is connected with 900 - At present 2 E1 is connected with 900 Cabinet and 1800 cabinet is cascaded.Cabinet and 1800 cabinet is cascaded.

- E1 for 1800 Cabinet (E1 connected with E1 for 1800 Cabinet (E1 connected with port C of 900 Cabinet) will be connected port C of 900 Cabinet) will be connected directly with 1800 Cabinet at Port A.directly with 1800 Cabinet at Port A.

- 3- 3rdrd E1 will be connected with 900 Cabinet E1 will be connected with 900 Cabinet at Port Cat Port C

- IDB need to be reconfigured at 1800 MHz IDB need to be reconfigured at 1800 MHz cabinetcabinet

- NIC need to configure EDGE at 900 MHz, NIC need to configure EDGE at 900 MHz, DCP device configuration of 1800 cabinet DCP device configuration of 1800 cabinet need to be modified as PCM Port changed.need to be modified as PCM Port changed.

Procedure for Single Cabinet Site Procedure for Single Cabinet Site

Physical ConnectionPhysical Connection: : Add 2Add 2ndnd PCM cable at Port C of 900 MHz Cabinet PCM cable at Port C of 900 MHz Cabinet

IDB CorrectionIDB Correction: : Configure PCM A and PCM C as Sync Source Configure PCM A and PCM C as Sync Source

EDGE ConfigurationEDGE Configuration: : Configure EDGE with NUMREQEGPRSBPC Configure EDGE with NUMREQEGPRSBPC

[3+3+3] [3+3+3] Responsibility: NIC Responsibility: NIC

Present Configuration: Present Configuration: Single Cabinet Site with 1 PCMSingle Cabinet Site with 1 PCM

PCM B

PCM C PCM D

PCM A

900 MHz RBS

Proposed Configuration: Proposed Configuration: Single Cabinet Site with 2Single Cabinet Site with 2ndnd PCM PCM

PCM B

PCM C PCM D

PCM A

900 MHz RBS

New 2nd PCM

Procedure for Co-Location Site Procedure for Co-Location Site

Disconnect the 2Disconnect the 2ndnd PCM from Port C of 900 MHz PCM from Port C of 900 MHz cabinet and connect it at Port A of 1800 MHz cabinet and connect it at Port A of 1800 MHz CabinetCabinet

Connect the new 3Connect the new 3rdrd PCM at Port C of 900 MHz PCM at Port C of 900 MHz cabinet.cabinet.

Remove the cascading cable between Port D of Remove the cascading cable between Port D of 900 Cabinet and Port C of 1900 Cabinet900 Cabinet and Port C of 1900 Cabinet

IDB Correction: IDB Correction is needed.IDB Correction: IDB Correction is needed.

IDB Correction: Co-Location SiteIDB Correction: Co-Location Site

In IDB PCM connection Should defined as follows In IDB PCM connection Should defined as follows (Modification is needed in 1800 MHz):(Modification is needed in 1800 MHz):

900 MHz900 MHz

– Network Topology: CascadeNetwork Topology: Cascade

– Sync Source: PCM A and PCM CSync Source: PCM A and PCM C

– Receiver sensitivity: Short HaulReceiver sensitivity: Short Haul

1800 MHz1800 MHz

– Network Topology: StandaloneNetwork Topology: Standalone

– Sync Source: Sync Source: PCM APCM A

– Receiver sensitivity: Short HaulReceiver sensitivity: Short Haul

Configuration Change [NIC] : Configuration Change [NIC] : Co-Location SiteCo-Location Site

With change of PCM Port of 1800 MHz from ‘Port With change of PCM Port of 1800 MHz from ‘Port C’ to ‘Port A’ DCP device configuration need to be C’ to ‘Port A’ DCP device configuration need to be modified accordingly.modified accordingly.

If 900 Cabinet is sharing PCM resource of 2If 900 Cabinet is sharing PCM resource of 2ndnd PCM, PCM, it need to be released as 2it need to be released as 2ndnd PCM is no more PCM is no more cascaded with 900 Cabinet, add resource of 3cascaded with 900 Cabinet, add resource of 3rdrd PCM as required.PCM as required.

EDGE Configuration: Configure EDGE with EDGE Configuration: Configure EDGE with NUMREQEGPRSBPC [3+3+3] NUMREQEGPRSBPC [3+3+3]

Current Cascaded PCM Current Cascaded PCM Configuration: Co-Location SiteConfiguration: Co-Location Site

PCM B

PCM C PCM D

PCM A

900 MHz RBS

PCM B

PCM C PCM D

PCM A

1800 MHz RBS

Cascading Cable

Existing 2nd PCM

Proposed Cascaded PCM Proposed Cascaded PCM Configuration with 3Configuration with 3rdrd PCM PCM

PCM B

PCM C PCM D

PCM A

900 MHz RBS

PCM B

PCM C PCM D

PCM A

1800 MHz RBS

Remove Cascading Cable

New 3rd PCM

New position of 2nd PCM

Set TEI value same for both PCM (62) and ask NIC to change also

Some PointsSome PointsFor Single Cabinet Site operation will be For Single Cabinet Site operation will be hampered for a small time due to required hampered for a small time due to required changed in IDB. changed in IDB.

For Co-Location Site UL Cells will remain in For Co-Location Site UL Cells will remain in operation only the OL Cells will be down for 15-30 operation only the OL Cells will be down for 15-30 minutes.minutes.

RO Engineer will provide weekly plan to NIC as RO Engineer will provide weekly plan to NIC as they provide for new Roll-out sites.they provide for new Roll-out sites.

NIC Engineer will issue CR as required.NIC Engineer will issue CR as required.

NIC will inform all concerned body by mail after NIC will inform all concerned body by mail after integrating new PCM.integrating new PCM.

NIC will maintain database.NIC will maintain database.

THANK THANK YOUYOU