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PENGENALAN TEKNIK TELEKOMUNIKASI

Modul : 01 Perkembangan Teknologi Telekomunikasi 

Faculty of Electrical and Communication

BANDUNG, 2013

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Communication   is the transfer of information from one

place to another.

This should be done

- as efficiently as possible

- with as much fidelity/reliability as possible

- as securely as possible

Communication System : Components/subsystems act

together to accomplish information transfer/exchange.

Overview

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•   The block diagram on the top shows the blocks common to all communication systems

Communication Systems

Digital

Analog

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5 Basic Components

Every communication system has 5 basic requirements

•

Data Source (where the data originates)•Transmitter (device used to transmit data)

•Transmission Medium (cables or non cable)

•Receiver (device used to receive data)

•Destination (where the data will be placed)

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5 Basic Components

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The Electromagnetic Spectrum

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Electromagnetic Spectrum

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Wave length Frequency

Designations

Transmission

Media

Propagation

Modes

Representative

Applications

Frequency

1 cm

Extra High

Frequency (EHF) 100 GHz

10 cmSuper HighFrequency (SHF)

Satellite,

Microwave relay,

Earth-satellite radar.

10 GHz

1 m

Ultra High

Frequency (UHF)

Wireless comm.

service,

Cellular, pagers, UHF

TV

1 GHz

10m

Very High

Frequency (VHF)

Mobile, Aeronautical,

VHF TV and FM,

mobile radio 100 MHz

100m

High Frequency

(HF)

Amateur radio, Civil

Defense 10 MHz

1 km

Medium High

Frequency (MF)

AM broadcasting

1 MHz

10 km

Low Frequency

(LF) 100 kHz

100km

Very Low

Fre uenc (VLF)

Wave guide

Coaxial Cable

Wire pairs

Line-of-sight radio

Sky wave radio

Ground wave

radio

Aeronautical,

Submarine cable

 Navigation,

Transoceanic radio

10 kHz

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Spektrum Elektromagnetik 

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PengTekTel-Modul:01

R di T i i

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Radio Transmisi

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PESAWAT TELEPON

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PengTekTel-Modul:01

Sentral Telephone

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Apa ItuVoIP ?

Voice-over-I P = I nternet telephony 

 –“Internet   telephony refers to communications services — voice,facsimile, and/or voice-messaging applications — that are  transportedvia the Internet, rather than the public switched telephone network (PSTN).

- The basic steps involved in originating an Internet telephone call areconversion of the analog voice signal to digital format andcompression/translation of the signal into Internet protocol (IP)

 packets for transmission over the Internet; the process is reversed atthe receiving end.”(IEC)

Bukan single technology, melainkan kombinasi beberapa teknologi

Internet

Saat ini hanya suara, tetapi dapat dikembangkan dengan mudah ke videoPengTekTel-Modul:01

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Identitas dalam Internet

- IP Address- 202.xxx.xx.xx

- Domain Name

- generic (misal: www.detik.com)

- Cc-TLD (www.ittelkom.ac.id,www.ittelkom.ac.id/staf/UKU)

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PengTekTel-Modul:01

WIRELESS

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WIRELESS

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IMT-2000 Vision Includes

LAN, WAN and Satellite Services

Satellite

Macrocell  Microcell

Urban In-Building

Picocell

Global

Suburban

Basic Terminal

PDA Terminal

Audio/Visual Terminal

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Person-to-Person

e-mailMM mail

Voice

Person-to-machine

i-modeNet browsing

ITS

GPS Machine-to-

machine

Tele-metering

Remote Operation

Automatic Control

Mobile

Network

Mobile Multimedia

MMD

Sifat yg ada dimana-mana

PengTekTel-Modul:01

M bil T i l Pl

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Telephony

Data

WWW/@

Broadcast

Mobile Triple PlayTelephony, Data and Video/TV delivered by BWA networks

Mobile

Triple Play + Mobility = Quadruple Play PengTekTel-Modul:01

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PengTekTel-Modul:01

M2M A hit t (ETSI)

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M2M Architecture (ETSI)Machine-to-machine (M2M)   communications are expected to provide ubiquitous

connectivity between machines without the need of human intervention. To support a large

number of autonomous devices, the M2M system architectural needs to be extremelypower and spectrum efficient

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