Motorola V323I - Cell Phone - CDMA2000 1X User Manual download pdf (Page 8)

Telcom 2700/INFSCI 1071

Cellular Network Architecture

• Cell : Area covered by 1 radio tower unit (base station)

• Cellular Systems:

• provide wireless coverage to a geographic area with a set of

slightly overlapping cells. Use a set of low power radio stations to

provide coverage, each cell has different set of frequencies or

codes, support handoff of mobile from one cell to another, track

mobile for incoming call

cell

Cell coverage, size and actually shape

depends on local geography, power

level, cell site height, antenna type, etc.

Hexagonal idealized

cell shape

Telcom 2700/INFSCI 1071

Cellular Network Architecture

Public Switched

Telephone Network

BSC

MSC MSC

GMSC

HLR

Wired or

Backhaul

network

Wireless

(radio)

part

VLR

AUC

• Cellular Network Components

•

Mobile Station (Terminal) – handset

• Base Station (cell site)

• Base Station Controller (BSC)

• Mobile Switching Center (MSC)

•Gateway MSC (interface to wired phone)

• Home Location Register (HLR)

• Visitor Location Register (VLR)

• Authentication register (AUC)

• HLR/VLR/AUC databases to track, bill

and authentic users

Base Station

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Motorola V323I - Cell Phone - CDMA2000 1X User Manual Page 8

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