MTN TI Antenna Line Handbook DN606046 TI

TELECOM IMPLEMENTATION

GSM 900 – DCS 1800 Tel ec o m Im Im p l em en t at i o n On this d ocument you can find: - An A n t enn en n a Li L i n e Ins In s t all al l ati at i o n - An A n t enn en n a L i n e Com Co m m i s s i o n i n 1- Purpose of the Document Document This This work ork inst instrructio ction n docu ocument ent descr escrib ibes es the proced cedures to be follo llowed for the inst insta alla llation ion of the Ant Antennas and Feed Feeder Cable Cable as em employ loyed in the IRANCE IRANC E LL ro ect. ect. The The aim is to ensur sure that the ant antenn enna and feeder eder inst insta allat llatio ion n work orks is is perf erform ormed cor correctly ctly and in such such a mann anner that avoids ids the possib ssibilit ility y of additional work, meets the measurement specifications and acceptance criteria, facilitates smooth handover to the customer and minimizes subsequent subsequent failures. F urtherm urthermore, ore, the aim is to ensure that that an acceptable acceptable high quality quality of standard installations installations is consistent consistently ly achieved in the the customer’s network. 2- Safety Safety & Precautions Precautions R efer to to Ult UltraSi raSitte EDG E DGE E Antenna Antenna Syst S ystem em Warnin Warnings gs and Caut C autions ions Manu Manual al and Installing Ult UltraS raSit ite e EDG E DGE E Antenna Antenna Syst System em Manual Manual for details. details.

Slide 1 of 18 – DN606 DN60604 046 6 TI.02 TI.02 – 20.October.20 20.October.2006 06 – by Stevan Picolli


Antenna Line Installation – Identifying the Items

Slide 2 of 18 – DN606046 TI.02 – 20.October.2006 – by Stevan Picolli


Antenna Line Installation - Jumpers Pre-installed Antenna cables are labeled with tape so they can be easily matched in the top of the cabinet.

There are 2 models of external jumpers. See table below.

Nokia Code

Length

Cable Type

Connector

CS72681

1.5m

1/2'' superflex

7-16 m/f

CS72681.02

3m

1/2'' superflex

7-16 m/f

Refer to DN606066 TI.01 for co m lete specific ations for external jumper.



Antenna Line Installation – Feeder There are 2 types of feeder – 1/2’’ and 7/8’’ on the length of the system.

Nokia Code

Feeder

Len th

CS72251

1/2''

<20m

CS72252

7/8''

>20m

Refer to DN606065 TI.01 for c omplete specific ations fo r each cable.


The Bending Radius must respect the limits described in the table below. Feeder

Minimum Bending Radius

1/2''

120 mm

7/8"

200 mm


Antenna Line Installation – Clamp There are 2 types of clamps – 1/2’’ and 7/8’’

The distance (D) between clamps must be according with the table below.

depending on feeder size.

Nokia Code

Feeder

CS72749.12

1/2''

CS72749.22

7/8''

Refer to DN606106 TI.01 for complete specific ations for each cable.


D

Feeder

Min

Standard

Max

1/2''

0.4m

0.5m

0.9m

7/8"

0.6m

1.0m

1.1m


Antenna Line Installation – Antenna There are 3 types of Antennas. The table below shows which type should be used depending on the system.

Model

Frequency

Polarization

Used on

X

Road Sites

V

Road Sites

Dual Band 900/1800 739 624 730 376

Single Band 900 900

Refer to DN606064 TI.01 for complete specific ations fo r each antenna.



Antenna Line Installation – Antenna Connector



Antenna Line Installation – Connector There are 2 types of connector – 1/2’’ and 7/8’’ (Both of them are Male) The table below shows which type should be used depending on feeder size.

Nokia Code

Connector

CS7269111

for 1/2'' Feeder

CS7269211

for 7/8'' Feeder

Refer to DN606108 TI.01 for complete s ecifications for each connector.



Antenna Line Installation – Ground Kit There are 2 types of kit – 1/2’’ and 7/8’’ depending on feeder size.

Nokia Code

Kit

CS72749.62

for 1/2'' Feeder

CS72749.64

for 7/8'' Feeder

Refer to DN606107 TI.01 for complete specific ations for each conn ector.



Feeder Length:

Lower than 20m

a n n e t n A

r e w o T r o s e l o p o n o M / t s a M d e y u G m 2 1 r o m 9 / l o P m 6 r o m 4

Busbar No.1

Feeder Length

Busbar No. 1 – Located on the bottom of the pole/mast



Feeder Length:

Higher than 20m Lower than 40m

a n n e t n A


Busbar No.1

Feeder Length

us ar No.2

Busbar No. 1 – Located on the bottom of the pole/mast Busbar No. 2 – Located close to the BTS



Feeder Length:

Higher than 40m

a n n e t n A


Busbar No.1

Feeder Length

us ar No.2

us ar No.3

Busbar No. 1 – Located on the bottom of the pole/mast Busbar No. 2 – Located close to the BTS Busbar No. 3 – Located on the middle point



Antenna Line Installation – Labeling 900 Band

Sector A

B

C

Feeder

- 5 to 10cm after the BTS Entry Cable Kit - 30cm below the top connector

1800 Band

Label

x RxDiv

GIRCA2

TRx

GIRCB1

RxDiv

GIRCB2

TRx

GIRCC1

RxDiv

GIRCC2

Sector

Feeder

Label

x

A

B

C

RxDiv

DIRCA2

TRx

DIRCB1

RxDiv

DIRCB2

TRx

DIRCC1

RxDiv

DIRCC2

For Logistics For each site, the number of cable markers to be supp e s: (Plus 24 Marker Striper)

Label

Qty.

2

12

A

8

B

8

C

32

D

12

G

12

R

24



Antenna Line Commissioning For the sweep test, it’s important to set the right frequency range in the Test Equipment.

For the sweep test, it’s important to set the feeder characteristics, otherwise the results will not be valid.

The table below shows exactly the frequency range to be set in the Test Equipment.

The table below shows exactly the feeder characteristicsto be set in the Test Equipment. At ten uat ion (900MHz)

At ten uat io n (1800MHz)

Velo ci t Factor

GSM 900

880-960MHz

1/2''

6.85dB/100m

10.1dB/100m

88%

DCS 1800

1710-1880MHz

7/8"

4.19dB/100m

6.21dB/100m

88%

Procedure to Perform the Sweep Test



Antenna Line Commissioning – For each feeder, two tests will be performed (RL and DTF). Both of them must be saved. Below you can find the standard file names to be used.

1 (*)

900

2 (*)

3

1

3

TH2001_900_1_TRX_RL.dat

TH2001_900_1_TRX_DTF.dat

TH2001_900_1_RXDiv_RL.dat

TH2001_900_1_RXDiv_DTF.dat

TH2001 _900_2_TRX_RL.dat

TH2001_900_2_TRX_ DTF.dat



















(*) For Road Sites, only 2 secto rs o f 900 will b e measur ed



Antenna Line Commissioning – Return Loss (Antenna) Limits Band

900

1800

Feeder

Feeder Length <10m

10-30m

30-50m

>50m

1/2''

-13dB

-15dB

-17dB

-

7/8''

-13dB

-14dB

-16dB

-17dB

1/2''

-13dB

-14dB

-16dB

-

7/8''

-13dB

-13dB

-15dB

-17dB

Commissioning Results – Distance to Fault Limits Connectors

<1.05

Feeder Line

<1.01



Antenna Line Commissioning – _


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Antenna Line Commissioning – _


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MTN TI Antenna Line Handbook DN606046 TI

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