3g node b on ip media

Shifting of 3 G Node-Bs on IP

media

IMPLEMENTATION PLAN

25-06-11 NWP-1 CM 2

Agenda

Overview of Node-BsNode B - RNC Connectivity (at present)Media Status of Node B. Introduction to 3G NW on IP Media.Types of RNC ConnectivityTypes of Node B ConnectivityOAM ConnectivitySynchronization in 3G NW

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Electrical FE I/F

FE over STM-1 Optical I/F

Overview of Node-Bs

Node B

4 / 8 E1 to RNC

Unchannelised STM1

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NODE B BBU _ WMPT CARD MODULE

FE0 PORT: Fast Ethernet Electrical Max Speed 100Mbps Connector Type RJ45

FE1 PORT: Fast Ethernet Optical Max Speed 100Mbps Connector Type LConnector SFP module Required

FE0 & FE1 PORTS CAN BE USED FOR CONNECTING NODEB TO IP NETWORK

E1

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Node B supports following connectivity

E1 /STM1 CONNECTIVITY ELECTRICAL FE CONNECTIVITY OPTICAL FE CONNECTIVITY.

Supports Single mode & Multi Mode Fibers λ = 1310 nm / 850 nm Tx power = -15 to - 8 dBm for 1310 nm / -9.5 to -2.5 dbm for 850 nm Rx sensitivity = -31 dBm for 1310 nm / -17 dbm for 850 nm Upto 10 Kms range for 1310 nm & upto 100 meters for 850 nm

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RNC supports following connectivity

ATM (STM 1) CONNECTIVITY

OPTICAL GE CONNECTIVITY

.

Supports Single mode Fibers λ = 1310 nm Tx power = -9 to - 3 dBm for 1310 nm Rx sensitivity = - 20 dBm for 1310 nm Upto 10 Kms range for 1310 nm

Supports both Unchannelised & Channelised STM1

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EXISTING 3G NETWORK DIAGRAM

NODE B GGSNRNC SGSN4 E1

STM1-1+1 GE 1+1

NIB NW

8 E1

GE 4+0Gi I/F

Gn I/FIuPs I/F

Iub over ATM I/F

Iub over IP I/F for 14.4 Mbps speed

to be modified as

25-06-11 NWP-1 CM 8

Node B - RNC Connectivity (at present)

Node-B

Node-B Location

TX EQPT

Exg. CPE-8 / OFC

FE I / F

CPE-8 / CPE 21 OFC / MW / 34 Mb/ADM1/ ADM4/ MADM

OF I / F or Eth I / F


E1’s

E1

OSN MUX

E1’s

E1 Cable

RNC

AOU

GOU

STM1

OF Cable

MAIN TE Bldg

TX EQPT

FROM OTHER NODE-B LOCATIONS

STM1

STM1

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Node B - RNC Connectivity (at present)

Summary of Existing Connectivity between Node-B’s and RNC

At present , Node-B E1s connected to CPE-8 / CPE-21 / MW Mini link / 34Mbps system / STM1 / ADM 4 / MADM equipments by E1 cables or OF cables.

This Node B CPE transmission equipments in turn connected to Nearby Telephone Exchange Transmission equipments by OF cable.

It is further Extended to Main Telephone Exchange Transmission Centre. Other node-B sites of respective SSA/SDCA are aggregated at Main Exchange DTC Room where RNC is available.

Further all the E1s are aggregated in Huawei OSN MUX installed at TXN Room

The aggregated optical STM1 output extended to AOU board of RNC equipment.

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MEDIA STATUS OF NODE B

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Total No of RNC Commissioned – 13.

Total No of Node Bs planned – 1126

(1053 CITY, 66- RW, 1- TC,6-COW)

Out of 1126 Node-Bs, -- 699 are working on OFC.-- 354 are working on MW Mini link

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Node-B's & its transmission media / equipment details for 14.4 Mbps speed

Sl No SSA Name

Colocated/Optical

Tie OFC with MADM/

ADM 16 OFC with CPE-8OFC with

CPE-21

OFC with ADM 4

/ ADM1/

others

Total No of Node-B's

working in OF Media

Node-B's working in MW Media,

MLLN - 15 GHz Mini link ,etc

Total No of Node-B's

under each SSA

1Coimbatore 0 18 55 60 13 146 104 250

2Coonoor 2 0 2 7 3 14 4 18

3Cuddalore 1 1 0 7 6 15 13 284CRDA 2 5 13 2 0 22 12 34

5Dharmapuri 1 2 17 8 5 33 18 51

6Erode 1 2 26 4 8 41 12 53

7Karaikudi 1 4 10 5 4 24 10 34

8Madurai 0 6 13 0 0 19 108 127

9Nagercoil 0 6 2 12 2 22 3 25

10Puducherry 1 2 10 14 1 28 8 36

11Salem 4 8 15 6 21 54 63 117

12Thanjavur 0 0 20 3 3 26 8 34

13Tirunelveli 2 0 3 11 7 23 9 32

14Trichy 1 9 47 16 20 93 59 152

15Tuticorin 1 3 21 2 4 31 0 31

16Vellore 0 7 12 31 9 59 22 81

17Virudhunagar 0 5 4 2 1 12 11 23

TOTAL 17 78 270 190 107 662 464 1,126

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RNC-Node-B Details

Sl No RNC Location

Serving SSA

# of Node-B on OFC

1 CBE-SBC(A4) CBE, CNR CBE:99, Ooty:7,CNR:4

2 SLM-MEY(A3) SLM SLM:57,NAM:10

3 DPI-MAIN-E10B(A2)

DPI DPI:9,HOS:10,KRI:8

4 ERD-TE(A3) ERD ERD:36,TRU:51

5 TR-DTAX(A3) TR TR:68,ARY:2,PAU:2,KRU:13,PDK:10

6 MA-EN 1(A2) MA MA:10 , THENI:8

7 MA-EN 2 (A2) MA KODAI:2, MA:9, DDG:15

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RNC-Node-B Details-2

Sl No RNC Location Serving SSA # of Node-B on OFC

8 VLR-TE(A2) VLR VLR:23,TV MALAI:8

9 TNJ-TE(MC)(A2) TNJ,KMB TNJ:22,TVR:6,,KKL:2,KMB:14,NGP:7

10 KKD-DTAX(A2) KKD KKD:13,SVG:4,RMN:6, RMM:1

11 TT-DTAX(A2) TT,VGR TT:29,VGR:7, SVK:4

12 TVL-MW(A2) TVL,NGC TVL:27,NGC:15,KK:2

13 PY-TE(A2) CDL,PY PY:28, CDL:12, VLU:3

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Introduction of 3G Node B on IP Media

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Introduction to 3G NW on IP Media.

At present vendors have provided 3.6 Mbps speed in 3G Network by connecting each Node B with RNC on 4/8 E1s. Now they are implementing 14.4 Mbps speed in network by updating Hardware/Software/opening codes in the existing network.

In order to achieve 14.4 Mbps speed in all the three sectors of the Node-B simultaneously, it is necessary that backhaul connectivity between Node B and RNCs is shifted on IP Media from present ATM connectivity.

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For this, connectivity at the RNC end is required to be changed to GE interface instead of STM-1(ATM).

The GE connectivity from RNC end is to be established as follows for Node-B IP connectivity.

1. RNC-NIB Tier1 Node.

2. RNC-MADM Transmission N/W

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For this ,connectivity at the Node B end is required to be changed to FE interface instead of E1. The Node B FE interface will be extended to RNC in following ways,

1. Node B - NIB Tier1/ Tier 2 Node- RNC.

2. Node B - MADM Transmission NW- RNC.

3. Node B – FTTH – NIB Tier 1/2 – RNC.

4. Node B - FE to 8 E1/16 E1 Convertor- MADM Tx NW- RNC.

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Advantages of Iub Over IP I/F

1.Ethernet can provide higher bandwidth.2. Cheap and better economy of scale.3. Efficient transport.

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Types of RNC Connectivity

1. RNC-NIB Tier1 Node.

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GOUa board (Active

Card) GE OPTICAL LC TYPE

CONNECTOR

GE OPTICAL LC TYPE

CONNECTOR

TOWARDS NODE B

NIB Tier 1 / 2 Router or MADM

Note : Standby card to be connected to Router B

GOU Board status

A4- CBT- 3 +3

A3 – TR,SLM, ERD-2+2

A2- MA,TVL,TT,DPI,PY,VLR,TNJ,KKD-1+1

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GE optical cable towards Router

GOUa

GOUa

FE optical cable or FE Electrical cables towards Router

GE OPTICAL OR FE ELECRICAL CABLES FOR 2 IP CLOCK SERVERS

TO NODEB WMPT CARD

EXISTING 3G M2000 SERVER

RNC 6810 PUDUCHERRY

Interface GOUa : 1+1 Active /StandbyConnecter Type In RNC:GE OPTICAL (LC )

8 optical patch cords required for GOUa to Router Path4 optical Patch cords required for IP clock to Router

BSNL NIB NW (RPR)

Tier 1 Node

Tier 2 Node

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RNC-NIB Tier1 Node GE Connectivity.

For this connectivity the minimum requirements to be met by BSNL are:

1. GE port (1+1) at NIB Tier 1 end.

2. 4 Optical patch cards for 1 GE connectivity is to be extended between RNC and NIB Tier1 node.

3. RNC supports 1310 nm SFP for GE connectivity and suitable SFPs may be arranged at NIB end .

4. After the physical connectivity, a separate VLAN Group has to be created for the same.

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RNC-NIB Tier1 Node GE Connectivity done at Puducherry

Both RNC and Tier 1 are co-located in the same floor in different Switch rooms. OF Patch Cable of length 50 meter used between the nodes with LC type at both ends.

1+1 GE interfaces extended between RNC and Tier1 Node.

Though different wavelength (1310 nm at RNC end & 1550 nm at NIB Tier I end) SFPs are used, it is working fine and data rate also verified, since the receiver in both ends will normally be wideband but the range will be limited to the lower wavelength.

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Types of RNC Connectivity

2. RNC- MADM TRASMISSIONNETWORK

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Interface GOUa : 3+3 Active /StandbyConnecter Type In RNC:GE OPTICAL (LC )

GE optical cable towards Router

GOUa

GOUa

GOUa

GOUa

GOUa

GOUa

24 optical patch cords required for GOUa to Router Path4 optical Patch cords required for IP clock to Router

FE optical cable or FE Electrical cables towards MADM System at Thudiayalur TE

GE OPTICAL OR FE ELECRICAL CABLES FOR 2 IP CLOCK SERVERS

EXISTING 3G M2000 SERVER

RNC 6810 Coimbatore

CBT SBC

MADM TX NW

CBT THU

MADM TX NW

CBT PEL

MADM TX NW

CBT GPY

MADM TX NW

Node B

MADM RING NW

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RNC- MADM Node GE Connectivity done at

Coimbatore.Both RNC and MADM TX SYTEM are located in the same building but different floor. OF Patch Cable length 60 meter is extended between the NE’s with LC-FC type at both ends

2+0 GE interfaces extended between RNC and MADM System.

CBT SBC Colocated Node B FE extended to MADM (Ring ) system and FE from Remote located Node B at Thudialur also extended to MADM (Ring ) system (Ring ) and further aggregated as GE and extended to RNC.

Same wavelength (1310 nm at RNC end & 1310 nm at MADM end) are used, it is working fine and data rate also verified.

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TYPES OF NODE B CONNECTIVITY


2. Node B - MADM Transmission NW- RNC.

3. Node B – FTTH – NIB Tier 1/2 – RNC.

4. Node B -- FE to 8 E1/16 E1 Convertor- MADM Transmission NW-RNC.

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• Node-Bs co-located with NIB RPR Tier1/Tier2 Node.

• Node-Bs having dark fiber to Nearby Telephone Exchange / Nearby Tier1/Tier2 . For this connectivity, 1310 nm SFP has to be recovered from UTRP Board in NODE B and the same may be used for dark fiber termination at Node B end.

• Node-Bs which are built-Up to Nearest Tier1/Tier2 station using CPE-8 systems.

• Node Bs Colocated with MADM systems which are built up to Nearest Tier I / Tier 2 station.

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Types of Node B Connectivity

NODE B RNCNIB Tier 1/2

850 nm SFP used in Both ends

FE Optical Patch Cords LC-LC Type is

required

Node B Colocated with NIB NW

1550 nm SFP at Tier I & 1310 nm SFP at RNC end,

GE Optical LC-LC Type is used

Note: The required length of LC-LC Type is not available at site , LC-FC/SC & SC/FC-LC Patch cables may be used through ODF/FDF with 0 db attenuator

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Node B Colocated with NIB Tier1 Node FE Connectivity.For this connectivity the requirements are:

1. FE port (1+1) may be required at NIB Tier 1 end.

2. 4 Optical patch cards for 1 FE connectivity is to be extended between Node B and NIB Tier1 node.

3. Node B supports 1310 /850 nm SFP and NIB T1/T2 supports 850 nm SFP for FE connectivity . The SFP may be removed from UTRP Board in Node B end and the same may be used for Optical FE . SFPs required may be arranged at NIB end .

4. After establishing the physical connectivity, a separate VLAN Group has to be created for the same.

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FE Optical, Patch Cords LC-FC Type is

required

Node B having dark fiber to nearby TE/ NIB Tier I / II node




Nearby TE

(MADM)

Dark Fiber GE Optical Patch cords

From Other Node B FE I/F

25-06-11 NWP-1 CM 34

Node B having Dark fiber with Nearby TE/NIB Tier1 Node FE Connectivity.

For this connectivity the requirements are:

1. Optical FE patch cable is to be extended between Dark fiber terminated ODF and Node B.

2. The SFP may be removed from UTRP Board in Node B end and the same may be used for Optical FE .

3. 4 Optical patch cards for 1+1 GE connectivity is to be extended between Main TE MADM System and NIB Tier1 node. The BW of 50 Mbps for 14.4 Mbps speed and 8 Mbps for 2G NW may be defined in all the network.

4. After establishing the physical connectivity, a separate VLAN Group may be created for the same.

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FE Optical, Patch Cords LC-FC Type is to

be used

Node B having dark fiber to nearby NIB Tier I / II




Dark Fiber

Depends on SFP Drive distance.

Ie 1310 nm- maximum of 10 Kms

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Node B having Dark fiber with NIB Tier1 Node FE Connectivity.



2. The SFP may be removed from UTRP Board in Node B end and the same may be used for Optical FE .

3. B end DF Connectivity is to be extended to NIB Tier1 node. The required SFP may be arranged at NIB end and the BW of 50 Mbps for 14.4 Mbps speed may be defined in all the network.


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Node B Colocated with MADM systems to nearest NIB Tier I / II node using Electrical FE




Nearby TE

(MADM)

Electrical FE Cable

GE Optical Patch cords


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Node B Colocated with Nearby MADM systems to NIB Tier1 Node FE Connectivity.


1. Electrical FE patch cable is to be extended between Node B and MADM Systems in Nearby TE. Further it is aggregated as GE at MADM systems end and the same GE link is to be extended to NIB Tier I node.

2. After establishing the same, a separate VLAN Group has to be created for the same.

25-06-11 NWP-1 CM 39





required

Node B with CPE8 having Electrical FE I/F to nearby TE/ NIB Tier I / II node




CPE 8 at Node B

end

Electrical FE

GE Optical Patch cords

Nearby TE

(MADM)

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Node B with CPE 8 NIB Tier1 Node FE Connectivity.


1. Electrical FE patch cable is to be extended between Node B and CPE 8 Systems at Node-B end.

2. From CPE optical STM1 (with 58 Mbps BW) has to be extended to Nearby TE MADM systems. Further it is aggregated as GE at MADM systems end and the same GE link is to be extended to NIB Tier I node.


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2. Node B - MADM Transmission NW- RNC

25-06-11 NWP-1 CM 42


NODE B RNCMain TE MADM


FE Optical , Patch Cords LC-FC Type is

required

Node B Colocated with Main TE MADM SYSTEM & RNC using Optical FE

1310 nm SFP at MADM & 1310 nm SFP at RNC end,

GE Optical LC-FC Type is used


25-06-11 NWP-1 CM 43

Node B Colocated with MADM Systems & RNC - FE

Connectivity.For this connectivity the requirements from BSNL End are:

1. Optical FE port is to be extended to MADM systems working at RNC Location end.

2. The SFP has to be removed from UTRP Board in Node B end and the same may be used for Optical FE .

3. GE 1+1 connectivity from MADM system is to be extended to RNC

4. After extending the physical connectivity, a separate VLAN Group has to be created between MADM GE link and FE link for IP Connectivity.

5. Same VLAN Group may be used for an additional Node B in that MADM system.

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NODE B RNCMain TE MADMElectrical FE Patch Cable

is required

Node B Colocated with Main TE MADM SYSTEM & RNC using Electrical FE




Electrical FE is to be used at Node B End

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Connectivity.For this connectivity the activities required are:

1. Electrical FE port is to be extended to MADM systems working at RNC Location end.

2. GE 1+1 connectivity from MADM system is to be extended to RNC.

3. After establishing the physical connectivity, a separate VLAN Group has to be created between MADM GE link and FE link for IP Connectivity.

4. Same VLAN Group will be used for an additional Node B in that MADM system.

25-06-11 NWP-1 CM 46



1310 nm SFP to be used in Both ends

FE Optical , Patch Cords LC-FC Type is

required

Node B Colocated with Nearby TE MADM SYSTEM using Optical FE




Nearby TE

MADM

Existing OF Connectivity

25-06-11 NWP-1 CM 47


Connectivity.For this connectivity the requirements are:

1. Optical FE port is to be extended to Nearby TE MADM systems working at Node B Location end.

2. BW for 14.4 Mbps ( 50 Mbps) may be configured in existing OF connectivity of respective MADM systems.

3. 1+1 GE connectivity from Main TE MADM system is to be extended to RNC.


5. Same VLAN Group will be used for an additional Node B in that MADM systems.

25-06-11 NWP-1 CM 48



Electrical FE used in Both ends

Node B Colocated with Nearby TE MADM SYSTEM using Electrical FE




Nearby TE

MADM


Electrical FE CAT5 Cables

25-06-11 NWP-1 CM 49


Connectivity.For this connectivity the requirements are:

1. Electrical FE port is to be extended to Nearby TE MADM systems working at Node B Location end.

2. BW for 14.4 Mbps ( 50 Mbps) may be configured in existing OF connectivity of respective MADM systems.

3. 1+1 GE connectivity from Main TE MADM system is to be extended to RNC.


5. Same VLAN Group will be used for an additional Node B in that MADM systems.

25-06-11 NWP-1 CM 50





required

Node B with CPE8 using Optical FE I/F to Nearby TE




CPE 8 at Node B

end

Optical FE


Nearby TE

(MADM)

25-06-11 NWP-1 CM 51



1. Optical FE patch cable is to be extended between Node B and CPE 8 Systems at Node-B end.

2. From CPE , optical STM1 with 58 Mbps BW is to be extended to Nearby TE MADM systems.

3. From Main TE MADM, all the FE s are to be aggregated as GE and the same GE link is to be extended to RNC .


25-06-11 NWP-1 CM 52


NODE B RNCMain TE MADM Optical Fiber Cable

LC-FC Type

Node B with CPE8 using Optical FE I/F to Nearby TE




CPE 8 at Node B

end

Electrical FE


Nearby TE

(MADM)

25-06-11 NWP-1 CM 53



1. Electrical FE CAT5 patch cable is to be extended between Node B and CPE 8 Systems at Node-B end.

2. From CPE , optical STM1 with 58 Mbps BW is to be extended to Nearby TE MADM systems. Further it is aggregated as GE at Main TE MADM systems end and the same GE link is to be extended to RNC .


25-06-11 NWP-1 CM 54





required

Node B having dark fiber connectivity to nearby TE

1310 nm SFP at MADM & 1310 nm SFP at RNC

end,



Nearby TE

(MADM)

Dark Fiber Existing OF Connectivity


25-06-11 NWP-1 CM 55

Node B having Dark fiber with Nearby TE MADM

Systems.



2. The SFP has to be removed from UTRP Board in Node B end and the same may be used for Optical FE .

3. From Main TE MADM, all the FE are to be aggregated as GE and the same GE link is to be extended to RNC .


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3. Node B – FTTH – NIB Tier 1/2 – RNC

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FTTH NETWORK

FTTH services available at following cities of Major SSAs. As per BSNL CO instruction, FTTH NW is to be used for implementation of 3 G NW on IP Media for 14.4 Mbps speed.

The Major cities of SSAs are: Coimbatore City, Tiruppur City, Trichy City, Salem City, Madurai City, Puducherry City.

FTTH ONU-s FE port may be used for Node B FE Connectivity.

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NODE B RNCNIB

Tier I / II

STM1 optical

LC-FC Type

Node B with CPE8 using FTTH - NIB Tier 2/1 to RNC




CPE 8 at Node B

end

Electrical FE

ONUCPE 8 at ONT end

FTTH NW

Electrical FE

Optical FE

Optical GE Optical GE

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Node B with CPE 8 using FTTH NW –NIB

Tier I /II NW to RNC. For this connectivity the requirements are:

1. Electrical FE patch cable is to be extended between Node B and CPE 8 at Node B end.

2. The Optical FE connectivity is to be extended between CPE-8 at node B end and CPE-8 at ONU end. Further Electrical FE of CPE 8 at ONU end will be extended to ONT of FTTH .

3. The existing FTTH NW BW (ONU – FTTH – NIB Tier I /II) will be used for 3 G NW 14.4 Mbps speed. The Optical FE from various Node Bs are to be aggregated as GE and the same GE link is to be extended to RNC .


25-06-11 NWP-1 CM 60


NODE B RNCNIB

Tier I / II

Node B Elecrtical FE to RNC using FTTH - NIB Tier 2/1




Electrical FE

ONU

FTTH NW

Electrical FE

Optical FE

Optical GE Optical GE

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Node B Colocated with ONU using FTTH NW –NIB Tier I /II NW to RNC. For this connectivity the requirements from BSNL are:

1. Electrical FE patch cable is to be extended between Node B and Colocated ONU of FTTH.

2. The existing FTTH NW BW (ONU – FTTH – NIB Tier I /II) will be used for 3 G NW 14.4 Mbps speed. The FE from various Node Bs are to be aggregated as GE at FTTH end.

3. GE link is to be extended to RNC from NIB Tier I node.


25-06-11 NWP-1 CM 62


4. Node B -- FE to 8 E1/16 E1 Convertor- MADM Transmission NW-

RNC.

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NODE B RNC

LAN Switch

Node B to RNC using LAN Switch & FE to E1 Converters

1310 nm SFP at LAN Sw & 1310 nm SFP at RNC



FE to E1 converter at Node B

end Electrical E1s


Nearby TE (ADM 1

/ADM 4)

Electrical FE

Main TE MADM

E1 to FE converter at Main TE end

Electrical FE

E1s

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Node B -- FE to 8 E1/16 E1 Converter- MADM Transmission NW-RNC.

wherever FE transport not available, this type of connectivity is to be used .

1. From Node end , FE link has to be connected with FE to E1 Converter and the corresponding E1s are to be extended to Main TE through ADM 4 / ADM1 systems.

2. The E1s at Main TE are to be reconverted as FE using E1 to FE converter and FE has to extended to LAN Switch.

3. GE Link from RNC is to be extended to LAN Switch . After establishing the physical connectivity, a separate VLAN Group has to be created for the same.

25-06-11 NWP-1 CM 65



Node B using FE to E1 Converter to Nearby TE




FE to E1 converter at Node B

end

Electrical E1s


Nearby TE (ADM 1

/ADM 4)

Electrical FE

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Node B -- FE to 8 E1/16 E1 Convertor- MADM Transmission NW-RNC.

wherever FE transport not available, this type of connectivity is to be used .

1. From Node end , FE link has to be connected with FE to E1 Converter and the corresponding E1s are to be extended to MADM systems at Main TE through ADM 4 / ADM1.

2. If possible, all the E1s from Node Bs are to be aggregated as GE level at Main TE MADM systems and the same GE has to be extended to RNC end.


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OAM Connectivity for NODE B

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OAM Connectivity for NODE B

NODE B RNCIub over IP Interface

PE-P-PE Router

M2000 Server at

CBT

Existing IP Interface

OMCR Clients

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OAM Connectivity of Node B After extending Iub over IP interface, OM Connectivity has to be established by M/s Huawei team through PE-P-PE Routers & M2000 Servers.

Ping test, Configuration loading of Node B can be done through OM connectivity.

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Synchronization in 3G Network on IP Media

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RNC&NodeB clock synchronization for Iub IP Solution

Scenario 1: NodeB synchronization over external clock

The NodeB connect to Router and get extract clock

signaling from Huawei Ip Clock Server.

NodeB reference line clock should be <=0.05ppm

NodeB clock error<=0.05ppm

2MHz Clock for

NodeB

FE

BITS Clock

Huawei IP Clock Server

RRMPLS

RR

Scenario 2: Huawei IP Clock Server synchronization over external clock

For Huawei IP Clock Server, it need the clock source

also. There are 2 types clock resource which can take

backup.

1st. BITS clock From BSNL

2nd. Line clock from Huawei RNC

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FRONT PANEL VIEW OF CLOCK SERVER

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SYNCHONISATION IN 3G IP MEDIA

IEEE 1588 PTP –for synchronization.

Synchronization requirement will be met M/s Huawei supplied IPCLK SERVER 1000. This will be used to distribute synchronization signals through IP Connectivity.

Synchronizations to be ensured by M/s Huawei; otherwise call will drop.(No handover with adjacent cell possible )

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BSNL ACTIVITIES FOR IMPLEMENTATION OF 3G

NETWORK ON IP MEDIA FOR 14.4 Mbps SPEED

25-06-11 NWP-1 CM 75

TN Circle emphasized the need to commence and expedite the IP connectivity and told that atleast 150 Node Bs per month should be shifted on IP media as per BSNL CO instructions dated 03/06/2011.

BSNL Units (SSA Planning, Transmission, NIB Team and GSM BSS team, Planning team are requested to expedite the work of migration of Node B sites on IP immediately.

All the teams of BSNL are requested to go in details of media availability at each Node B sitewise and identify the best options as suggested in previous slides for migrating it on IP media.

25-06-11 NWP-1 CM 76

For Node B on IP media, first RNC of each SSA has to be integrated to NIB Tier I /Tier II / MADM Network through GE Links. SSA team has to arrange GE ports at NIB end as well as MADM transmission end. In-charges of RNC team has to coordinate with each and every BSNL team and M/s Huawei to integrate the same.

Out of 1126 Node-Bs, 17 Node Bs are co-located with Main TE /Tier I node and 12 Node Bs are co-located with Tier II node, 270 Node Bs having CPE-8, 58 Node B sites are connected with MADM systems. These 357 Node Bs can be migrated on IP Media without any issues.

Coimbatore , Nagercoil, Puducherry, Hosur sites are to be migrated to IP Media on Top Priority SDCAs.

Dark fiber working in Node B sites may be identified and extend the FE connectivity through dark fibers without outage of services.

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To implement the Node Bs on IP Media, there would be requirement of SFPs at NIB end, Optical Patch cords and connectors, etc may be arranged immediately.

Replacement of CPE 21 with available CPE 8 equipments within the SSA may be analyzed and the requirement of additional CPE 8 may be intimated to Circle transmission planning by SSA team

Conversion of DMW sites to the OFC shall be planned by SSA and the requirement shall be intimated to Circle transmission planning.

Explore the possibilities of using FTTH NW for 3 G NW on IP media.

Cuddalore, Virudhunagar, CRDA, Coonoor, NGC SSAs does not have RNC equipments. These SSA Node Bs are to integrated with NIB NW Tier I/II of that SSA and further GE port from NIB NW is to be extended to respective RNCs.

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Node-B

Node-B Location

TX EQPT

Exg. CPE-8 / OFC

FE I / F

CPE-8 / CPE 21 OFC / MW / 34 Mb



E1’sTX EQPT

STM1s / E1’s

OF Cable

SSA TX ROOM

OSN MUX

STM1s / E1’s

OF/ E1 Cable

RNC

RPR

Tier-2 /

OCLAN /

FTTH

T

I ER

1

TX EQPT

AOU

GOU

Nearby Broad Band NW Location w.r.to Node-B’s

Nearby Broad Band NW Location w.r.to RNC’s

FE IF

GE I/F

Existing & Proposed IP Connectivity between Node-B’s and RNC’s in TN LSA

Proposed connectivity for 3G Network on IP Media for 14.4 Mbps Speed

STM1

OF Cable

Nearby TE Bldg

MAIN TE Bldg

MADM SYSTEMS

E1

GE I/F

GE I/F

25-06-11 NWP-1 CM 79

THANK YOU

3g node b on ip media

Documents