'Mobile telephone switching office' presentation slideshows

All telecommunications comes down to:

795 views • 68 slides

Making Connections

735 views • 61 slides

AMPS Cellular

538 views • 44 slides

How cell phones work

539 views • 29 slides

CELLULAR RADIO

494 views • 29 slides

Wireless Communication System

525 views • 28 slides

BASIC TELECOMMUNICATIONS

BASIC TELECOMMUNICATIONS . Cellular communications. BASIC TELECOMMUNICATIONS . The world's first commercial automated cellular network was launched in Japan by NTT in 1979 The first 1G network launched in the USA was Chicago-based Ameritech in 1983 using the Motorola DynaTAC mobile phone.

390 views • 26 slides

Cellular Telephones

Cellular Telephones. Original Mobile Telephones One transmitter/receiver Limited number of channels For good service can support about 20 subscribers per channel (rough rule of thumb). Transmitter/ Receiver. Mobile Phone. Cellular Telephones. Divide Region into Cells

355 views • 23 slides

Wireless Technology

Wireless Technology. Radio Transmission. Oscillating electron generates electromagnetic waves with the frequency of the oscillation Many electrons must be excited in an antenna for a strong signal. Cellular Telephones. Original Mobile Telephones One transmitter/receiver

552 views • 21 slides

Cell Phone and Cellular Networks

Cell Phone and Cellular Networks. The Basics. Sending a call Sound is converted into radio waves Travel thru the air until they reach a base station Base station sends your call thru the telephone network Receiving a call

280 views • 13 slides

Components of the System

TELECOMMUNICATIONS. Components of the System. Home Phone (Landline): Send/Receive Landline Network Signals through Telephone Wires. Cell Phone: Send/Receive Radio Wave Signals with Cell Tower in Area. Satellite Phone: Send/Receive Radio Wave Signals to/from Communication Satellites.

310 views • 9 slides