Basic Examples - Step1-4

7/17/2019 Basic Examples - Step1-4

1/40

Basic examples of settingBasic examples of setting

simulationssimulations

European Communications Office

Jean-Philippe Kermoal (ECO)

October 2010

EUROPEAN

COMMUNICATIONSOFFICE

Nansensgade 19

DK-1366 CopenhagenDenmark

Telephone: + 45 33 89 63 00

Telefax: + 45 33 89 63 30

E-mail:[email protected]

Web Site:http:!!!.ero.dk


2/40

SEACA! "or#shop

Jean-Philippe Kermoal $ ECO

Pa%e 2 0& October 2010

OutlineOutline

' Step 1 o" is the *+SS calculate*,

' Step 2 first interference probabilitcalculation

' Step . Probabilit of interference' Step / here *oes the interference come from,


3/40

SEACA! "or#shop


Pa%e . 0& October 2010

Step 1Step 1

!o" is t#e $RSS calculate$%!o" is t#e $RSS calculate$%


4/40

SEACA! "or#shop


Pa%e / 0& October 2010

Define Victim receiver (Vr)Operating frequencyReceiver bandwidthAntenna Characteristics

Interference criteriaNise f!r

Define "anted transmitter ("t)#$ pwerAntenna characteristics

%sitin the "t vs Vr

&u wi!! !earn frm 'tep hw t

Ca!cu!ate the dR''

#est prpagatin mde!

*aunch simu!atin

+$tract dR'' vectrs


5/40

SEACA! "or#shop


Pa%e & 0& October 2010

SEAMCAT scena&ioSEAMCAT scena&io

WantedTransmitte

r(Wt)

VictimReceive

r(Vr)

WantedReceiver

(Wr)

Interfering

Transmitter(It)

dRSS

iRSS

Victim link

Interferinglink


6/40

SEACA! "or#shop


Pa%e 0& October 2010

'ictim (in)'ictim (in)

WantedTransmitte

r(Wt)

VictimReceiver

(Vr)

dRSS

Victimlink


7/40

SEACA! "or#shop


Pa%e 0& October 2010

*efine 'ictim f&e+uenc,*efine 'ictim f&e+uenc,


8/40

SEACA! "or#shop



*efine 'ictim Recei-e& .'R/*efine 'ictim Recei-e& .'R/


9/40

SEACA! "or#shopJean-Philippe Kermoal $ ECO


*efine 0ante$ T&ansmitte&*efine 0ante$ T&ansmitte&

.0t/.0t/


10/40



Position of t#e 0t .12/Position of t#e 0t .12/

Uncorrelated cases mode

User-defned Radius

Correlated cases mode

Correlated distance (origin = Wt)

Noise limited Network

Trac limited Network

Wt rlocation


11/40



Position of t#e 0t .22/Position of t#e 0t .22/

WantedTransmitte

r(Wt)

VictimReceive

r

(Vr)

dRSS

Victimlink (0,0)

(2 km,2km)

Delta X = 2km

D

el

ta

Y

=

2k

m

!


12/40



Calculation of t#e $RSSCalculation of t#e $RSS

' *+SS 5 Pe67e67r-8

'*+SS 5 .0(*9m)64 (*9i)64 (*9i)-101:& (*9)

' *+SS 5 -&.:&*9m

( )fd

hhL

rxtx log201000

log105.32 22

+

+

+=

' 8 5 .2:&610lo%(3)620lo%(1000))

' 8 5 101:& *9


13/40


Pa%e 1. 0& October 2010

Testing p&opagation mo$elTesting p&opagation mo$el


14/40


Pa%e 1/ 0& October 2010

(aunc# simulation(aunc# simulation


15/40


Pa%e 1& 0& October 2010

Ext&act $RSSExt&act $RSS


16/40



Output $ispla,Output $ispla,


17/40



Step 2Step 2

M, fi&st inte&fe&ence p&o3a3ilit,M, fi&st inte&fe&ence p&o3a3ilit,

calculationcalculation


18/40



&u wi!! !earn frm 'tep , hw t

%sitin the Vr vs It (ie Victim !in- vs Interfering !in-)Ca!cu!ate the iR''

Ca!cu!ate the prbabi!ity f

interference

Define Interfering transmitter (It)#$ pwerAntenna Characteristics'et the emissin bandwidth


19/40



Inte&fe&ing (in)Inte&fe&ing (in)


20/40



Inte&fe&ing F&e+uenc,Inte&fe&ing F&e+uenc,


21/40



*efine Inte&fe&ing*efine Inte&fe&ing

T&ansmitte& .It/T&ansmitte& .It/

' P(*9m$9ref) 5 Pe (*9m)6Att(*9c$9ref)

' .. (*9m$200K;) 5 .. 6 0 (*9c$9ref)


22/40



Position of t#e '& -& It .12/Position of t#e '& -& It .12/

Uncorrelated cases mode

None(nacti!einter"erers)

#t $r

Correlated cases mode

#t $Wt Wt $r

Wr$Wt

Uni"orm densit% (nacti!einter"erers)

Closest(single inter"erer)

r #tlocation


23/40


Pa%e 2. 0& October 2010

Position of t#e '& -& It .22/Position of t#e '& -& It .22/

VictimReceive

r(Vr)

WantedReceive

r(Wr)

Interfering

Transmitter(It)

WantedTransmitt

er(Wt)

dRSS

iRSS

Victimlink

Interfering link

Delta X = "km

Delt

aY

=

"km


24/40


Pa%e 2/ 0& October 2010

Calculation of t#e iRSSCalculation of t#e iRSS

' i+SS 5 Pe67e67r-8

' i+SS 5 ..(*9m)611 (*9i)64 (*9i)-(.2:&610lo%(.2)620lo%(1000))

' i+SS 5 -&/:&*9m


25/40


Pa%e 2& 0& October 2010

Step 4Step 4

P&o3a3ilit, of inte&fe&enceP&o3a3ilit, of inte&fe&ence


26/40



&u wi!! !earn frm 'tep . hw t

Cmpatibi!ity ca!cu!atin mde

+$tract the %rbabi!ity f Interference in

#rans!atin ca!cu!atin mde


27/40




' !he probabilit of interference coul* be calculate* b the


28/40



Compati3ilit, calculationCompati3ilit, calculation

mo$emo$e

' the C$< (i:e: *+SS$i+SS) can be *eri?e* *+SS$i+SS 5 -&.:&-(-&/:&) 5 1*9


29/40



T&anslation calculationT&anslation calculation

mo$emo$e


30/40


Pa%e .0 0& October 2010

Step 5Step 5

0#e&e $oes t#e inte&fe&ence0#e&e $oes t#e inte&fe&ence

come f&om%come f&om%


31/40



&u wi!! !earn frm 'tep / hw t

Ca!cu!ate the iR'' unwanted

Ca!cu!ate the iR'' b!c-inguser-defined modeSensitivity modeProtection ratio mode

+$tract prbabi!ity f interference

(ie unwanted vs b!c-ing)

0dify the 1nwanted +missin 0as-


32/40



Un"ante$ Emission mas)Un"ante$ Emission mas)

' P 5 .. 6(@2.(*9c$9ref)) 5 10 (*9m$200#;)


33/40


Pa%e .. 0& October 2010

Calculate iRSS un"ante$Calculate iRSS un"ante$' i+SS un"ante* calculate the interferin% po"er

recei?e* b the ictim recei?er "it#in its3an$"i$t#

In t#is example t#e&e is no 3an$"i$t#co&&ection facto& to 3e applie$ to t#e calculationof t#e iRSS un"ante$ since t#e '& 3an$"i$t#an$ t#e It &efe&ence 3an$"i$t# #a-e t#e same-alue .i6e6 277 8!9/6

Unwanted&

fVr fIt

#nter"eringemission maskR #and$idt%

' i+SSun"ante* 5 P67e67r-8

' i+SSun"ante* 5 10(*9m$200#;)61164-

(.2:&610lo%(.2)620lo%(1000))' i+SSun"ante* 5 -:&*9m


34/40


Pa%e ./ 0& October 2010

Calculate iRSS 3loc)ing .15/Calculate iRSS 3loc)ing .15/


35/40


Pa%e .& 0& October 2010


' Bser-*efine* mo*e i+SS bloc#in% (fit) 5 Pe67e67r-8-Att (fit)

i+SS bloc#in% 5 ..(*9m)61164-(.2:&610lo%(.2)620lo%(1000))-/0(*9)

i+SS bloc#in% 5 -4/:&*9m

' !he


36/40




' Sensiti?it mo*e Attenuation(") 5 #$o%k(") *9mD @ sens&r*9mD 6 C'N+()*9D

Sensiti?it5 >oise loor 6 C$(>6


37/40




' Protection +atio Attenuation(") 5 #$o%k(") *9mD 6 C'N+()*9D 6 .*9

Attenuation(") 5 /0 61 6. 5 &4 *9

i+SS bloc#in% (fit) 5 Pe67e67r-8-Att (fit)

i+SS bloc#in% 5 -&/:&-&4 5 -11.:& *9m


38/40




.12/.12/

' or the un"ante* mo*e= the C$< can be *eri?e* as *+SS$i+SS un"ante* 5 -&.:&-(-:&) 5 2/*9

' Since the resultin% C$< is abo?e the protection criteria (14 *9)= theprobabilit of interference is 0

' 65 -:&-(-100)5 22:&(since ): Since the ()$> "hich is obtaine* is abo?e theprotection criteria (.*9)= the probabilit of interference is 1


39/40




.22/.22/

' or the bloc#in% mo*e= the C$< can be *eri?e* as *+SS$i+SS bloc#in% 5 -&.:&-(-11.:&) 5 0*9

' Since the resultin% C$< is abo?e the protection criteria (14 *9)= theprobabilit of interference is 0

' 65 -11.:&-(-100)5 -1.:&:Since the ()$> "hich is obtaine* is belo" the protectioncriteria (.*9)= the probabilit of interference is 0


40/40


Pa%e /0 0& October 2010

T#an) ,ou : An, ;uestions%T#an) ,ou : An, ;uestions%

Basic Examples - Step1-4

Documents

Transcript of Basic Examples - Step1-4