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Wireless Communications Principles and Practice

Apr 06, 2016

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RamyaKoganti

Wireless Communications Principles and Practice by theodore S. rappaport
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MSCReceive. call franWriflee that theRecant. ES to

PSTN. Sentmobile has. validmove mobile to

the mque.ted MNMIN,wiused voice chin-

all base stasian'ESN pair,neiptir.

FCCTraisnits page

(MN) for tpcci-

fled ma.

BaseRCCReceives MN,

Stationan, Station Cia

Mark and panes to

MSC.

PVC

RVC

FCCReceives page and

m*the. the MN

wMh Its own MN.

RCCAcknowledgee

Mobilereceipt of MN and

sands ESN and St.-

don GaPVCRVCtimeFigure 1 .6

Timing diagram illustrating how a call toa mobile user initiated by a landline subscriber is established.

Corned. themobile with the

ailing pci)' ci ticPSTN.Trmanil. dininrenge formobile to move tospecific voice than-itt

Begin voice tres-miaa

Begin voice leap-tiaReceives data eta-sages to move tospecified voicethamtl

Begin voice reap-

Begin eta 'tans-

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MSCRealva all MkjMjonbuemote FCC of algima-

'equet frontbaseMalen9be'114cr to move

aid vcdfla due lit mobilemobile tea of vole

ae valid MN, ESN .

FCC

Base RCC Raceivo. call initi-Station Mien reques andMN, ESN, Sta'Us MaiL

Cain Istmobile with IscalledpstyaithoPrrrq.Pa, for o.lledligliiemobijotomove to vole

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MobileRCC Saiaaaalnitia.floe tequea alongwith aSsatbe

MN arid mimbor of called paly.PVCRVCFigure 1.7

Timingdiagramillustrating howa call initiated by a mobile is established.time

Begin volereapdat.

Begat vale baa-

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Number of Trunked Channels(C)

0.125 '$ $ 12 14 1$ 1$ a n a 35a 4sa0 N Na

0.050.02.40.01aCo.0

0.0010.11.010.0100.0

Traffic Intensity in ErlsnpFigure 2.6

The Erlang B chart showing the probability of blockingas functions of the number of channels and traffic intensity in Erlangs.

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Number of Trunked Channels(C)

I2gs ,s$I. U

1.00.5"DiQ..

01P atI.

.0

0.050.02 .0.010.10.20.5125102050100

Intensity in &lsngsFigure 2.7The ErlangCchart showing the probability ofa call being delayedas a function of the number of channels and traffic intensity in Erlangs.

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Blockdiagram of a LPC coding system.

Figure 7.6

0

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