Nokia Solutions and Networks T5EL1 Manuel D’Utilisation

68P09258A31–A

Oct 2003

1X SCt 4812T BTS Optimization/ATP

E-2

Programming of each of the BTS BBX synthesizers is performed by the

BTS GLIs via the CHI bus. This programming data determines the

transmit and receive transceiver operating frequencies (channels) for

each BBX.

1900 MHz frequency spectrum. There are 10 CDMA wireline or

non–wireline band channels used in a CDMA system (unique per

customer operating system).

Figure E-1: North American PCS 1900 MHz Frequency Spectrum

ÉÉÉ

ÉÉÉ

ÉÉÉ

ÉÉÉ

ÉÉÉ

ÉÉÉ

ÉÉÉ

ÉÉÉ

  FREQ  (MHz)

RX                            TX

275

1175

CHANNEL

1863.75

925

1851.25

25

1871.25

425

675

1883.75

1896.25

1908.75

1943.75

1931.25

1951.25

1963.75

1976.25

1988.75

A

D

B

E

F

C

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