main index

P00: frame around

P01: olicognography

P03: infrastructures

wayout:contact

Registers of application docs

electr.magn.spectr.

telcommcosts

*text *

photovolt.calc.

Similar user docs

entropy.inform.

transp&communi.

*text*

electr.gates

Telecomunications Characteristics

Telcommunications frequencies

MHz

use

max dist. kms

standard code

specification

length nm

fiber type

modal band width MHz-km

0.535-1.7

AM radio

10

802.3z

1000BaseLH

1300

9/10 monomodo

n/d

1.7-30

short waves

3

802.3z

1000BaseLH

1300

5 mm mono

n/d

43-49

wifi

0.55

802.3z

1000BaseLH

1300

62.5-125 mm multi

500

54-72

channels TV

5

802.3z

1000BaseLH

1300

9 mm mono

500

88-108

FM radio

0.22

802.3z

1000BaseLH

850

62.5-125 mm multi

160

150.8-174

police - meteorology

0.28

802.3z

1000BaseLH

850

62.5-125 mm multi

200

225-400

space military

0.5

802.3z

1000BaseLH

850

50/125 mm multi

400

824-894

celular phone towers

0.55

802.3z

1000BaseLH

850

50/125 mm multi

500

894-896

plane communications

0.1

802.3ab

1000BaseLH

n/d

UTP Cat5

n/d

928-932

message

0.03

802.3ab

1000BaseLH

n/d

copper equilibrado

n/d

1400-1427

radioastronomy

0.4

802.3u

1000BaseLH

850

62.5-125 mm multi

400

n of hannels and hierarchy of wide range band

Telecommunications needs


systems

channel capacity

band width

frequency


Developed countries


primary group

12


60-108= 48Hz


urban

high speed data


secondary group

60


312-552= 240Hz


suburban

value added service


terciary group

300


812-2044= 1232Hz


limited mobility


fourth group

900


8516-12388=3872Hz


high density


6 MHz system

1260


0.06-6 MHz


rural

high speed data


12 MHz system

2700


0.3-12 MHz


value added service

twist.

60 MHz system

10800

rad.

4-60 MHz


limited mobility

pair

coaxial cable

transmission speed

waves

satellite

optic fiber

low density

100 Mbps

500

bit/sec

275

90

2 Gbps

large cover

Distances gigabit Ethernet 802.3z and 802.3ab

Devloping countries

Telecommunication Access Options according Cuntry Equipment

urban

phone

Electric classification

Concept

operator

wire dominate

appropriated technique


suburban

modem transfered data

Generation

common regime

national telephone

lines

XDSL or copper

satel. Ground. CATV

ilimited mobility


special regime

developed country


PON fibers


high density


complementary service

cable

coaxial cable &

HFC

Island ATM,LAN/MAN,red.PON, digi.sat. servi.

rural

phone

Network

transport


fiberoptic


digi.Tv,video, FTTX,network.HFC, network XDSL

modem transfered data


distribution

national telephone

partly lines

WLL & PON network

GSM/DECT

ilimited mobility

Transaction

supply

developing country

low penetration



low density


retailor

new operator

non

fiber optic fiber, radio links

network.ATM,FTTH, access integrated integral




complement

developed country


WLL and rented lines

networks, interactive television, servi.multimeday



Coordination

technique / system

new operator

non

WLL, satellite & lines

UMTS




management market

developing country


rented




Transmission Characteristics

ADSL technology large, more & simple


Band

distance (kms)

capacity

investment evel


narrow band

large band


2GHz

100km

2 - 4 Mbps

low

Band width

10 - 100 kbps

100 - 2000 kbps


6 GHz

80km

34 - 2x34 Mbps

high


low speed voice and data

more speed


11 GHz

40km

4x2 - 8x2Mbps

medium


large cover

data & image large cover


15GHz

30km

4x2 - 8x2Mbps

medium

Communications flows


23GHz

15km

8x2 - 16x2Mbps

medium

home USA 1999

home average

max


38GHZ

5km

8x2 -16x2 MbpsSTM-1

medium

comm./week (m/r)


Communications



phone

54

102


basic network

0.2



mail

35

50


mobile phone

0.2



email

16

50


Private network

0.1



vocal box

4

12


value added

0.05



cellular (wireless)

3

8


radio & TV

0.3



Registered messaje

2

7


other

0.15



fax

1

2


Visibility (optical links)


Atmos. Cond.

precipitation

mm/hr

visibility

range



Dense fog



50 m

140m



Light fog

100

heavy rain

0.77 km

1.38km



haze

12.5

medium rain

2.8 km

3.5km



bright

0.25

small rain

18.1 km

8km


Radiocom mobile

terrestre

PLMN pub.syst.

others

wireless CT

radiomessage.(public)



tune.,vot.,isofree

anal.,simulcard

TFTS

wireless phone ...

anal.:simul.cast



digi.anal.,MPT1327

IG: NMT,TACS,AMPS


anal.:CT1,CT2

alfanum:POCSAG


future all

digi.,TETRA

2G:GSM,D-AMPS

IEEE802.11x

digi:DECT

digi.ERMES,FLEX


FPLMNT,


IS54 ... DCS1800

HIPLANx



IMT2000 (UMTS..)


Distribution of Major ICTs by income group of economies 2005


population

mobile phones

fixed lines

internet users

fixed braodband

total GDP

high income

0.157

0.387

0.427

0.557

0.74

0.789

uppermiddle

0.09

0.178

0.105

0.118

0.052

0.067

lower-middle

0.383

0.352

0.401

0.223

0.20

0.1019

low income

0.37

0.084

0.067

0.102

0.007

0.032

Places of use docs

wirelessnetworkplace

homeequipm.

complexnetworks

creat.indust.