View
226
Download
0
Category
Preview:
Citation preview
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
1/93
UMTS Radio Parameter
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
2/93
Contents
1 Cell and common signal channel establishment parameters...................................................................1
2 Cell selection and parameter re-selection...................................................................................................9
3 Random access parameter.........................................................................................................................21
4 UE call establishment parameter..............................................................................................................31
5 Paging parameter........................................................................................................................................37
Po!er control parameter...........................................................................................................................43
6.1 Basic principle of internal loop power control..................................................................................43
6.2 Basic principle of external loop power control.................................................................................57
7 Control parameter s!itch..........................................................................................................................5
7.1 Basic principle of intra-frequency switch.........................................................................................65
7.2 Basic principle of inter-frequency switch..........................................................................................79
7.3 Basic principle of intersystem switch................................................................................................
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
3/93
1 Cell and common signal channelestablishment parameters
!ormal cell operation is premise for a "#$% system to &uarantee normal networ'
operation while premise of normal cell operation is successful cell an( common si&nal
channel esta)lishment as well as )roa(castin& communication parameters to networ'
si(e of "* throu&h system messa&es.
+)o,e si&nalin& process is shown in followin& fi&ure
ey factors to in(icate a cell inclu(e confi&uration of frequency point/ primary
scram)lin& co(e/ total power an( common physical si&nal channel.
0n which ommon physical si&nal channels which shall )e confi&ure( are as follows
ilot channel 0 "se( as reference )asis of other si&nal channels an(
si&nal measurement.
rimary synchronous channel % "se( for time slot synchroniation when
searchin& for the cell.
+uxiliary synchronous channel %% $o (efine frame synchroniation an(
main scram)lin& co(e when searchin& for the cell.
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
4/93
Broa(castin& channel "se( to )roa(cast system messa&es.
+uxiliary common control physical channel %
"se( to )ear + or transmission channel messa&es.
8an(om access channel 8+ "se( for su)scri)ers ran(om access: 8ele,ant
parameters are intro(uce( in ran(om access process hapter.
+ccess in(icator channel +0 ;ownlin'in(icator channel which is use( with
8+ channel toðer: +0 channel parameters are intro(uce( in ran(om
access process hapter.
a&in& in(icator channel 0 "se( for pa&in& in(ication: a&in& channel
parameters are intro(uce( in pa&in& hapter.
Central "re#$enc% o& the Carrier "re#$enc% o& the Uplin' Channel (UU)R"C*+
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
5/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
(,U)R"C*+
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
6/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
7/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
8/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
9/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
10/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
11/93
2 Cell selection and parameter re-selection
*xecute =#! selection an( cell selection process in sequence after "* )ootstrap.
$he cell shall )e selecte( for stayin& an( re&istration to networ' si(e after selectin& a
suita)le cell. "* will select the cell a&ain after stayin& to a certain ser,in& cell with "*
motion an( ,ariation of si&nal channel quality.
=#! selection process
=#! selection stan(ar( is that 0 8% is more than or equal to -95(Bm. "*
will rea( =#! of cell which has searche( for the stron&est si&nal. =#! also can )e
re&ar(e( as selection access =#! if failin& to meet a)o,e stan(ar(s )ut =#! mar'
can )e (eco(e(.
ell selection process
ell with the stron&est si&nal shall )e re&ar(e( as the initial access cell.
% rule (efinitions of cell selection stan(ar(s are as follows
for 7;; cells %rxle, P A +!; %qual P A
for $;; cells %rxle, P A
0n which
%qual F NqualmeasQ Nqualmin
%rxle, F Nrxle,meas- Nrxle,min - compensation
%qualell selection quality ,alue (B
0t is only suita)le to ;; cell.
%rxle, 8E le,el ,alue (B for cell selection
Nqualmeas
#easure( cell quality ,alue 0 *cJ!Arefers to quality of
si&nals recei,e( )y ;; cell an( it is only suita)le to ;;
cell.
Nrxle,meas 8E le,el ,alue of measure( cell 8ecei,e( si&nal of ;; cell
9
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
12/93
%qualell selection quality ,alue (B
0t is only suita)le to ;; cell.
is 0 8% (B an( that of $;; cell is - 8%
(Bm an( that of 8R#+ER
8+
$he maximum a,aila)le $E power le,el of "* which is rea(
from system messa&es (urin& 8+ cell access:
R#+E $he maximum 8 output power of "*(Bm
ell re-selection process
"* will select cell a&ain after stayin& to the cell. ell re-selection inclu(es
measurement execution an( (etermination of "*.
ollowin& intro(uction is not suita)le to % cell.
#easurement rules
"* will re&ar( %qual;; cellas %x in followin& rules
"* (oes not nee( to execute inter-frequency measurement if %x excee(s %intrasearch.
"* will execute inter-frequency measurement if %x is less than or equal to
%intrasearch.
"* will carry on intra- frequency measurement if %intrasearch has not )een confi&ure(.
"* (oes not nee( to execute inter-frequency measurement if %x excee(s %intrasearch.
"* will execute inter-frequency measurement if %x is less than or equal to
%intrasearch.
0
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
13/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
"* will carry on inter- frequency measurement if %intrasearch has not )een confi&ure(.
"* (oes not nee( to measure cells with (ifferent ra(io measurement techniques if %xexcee(s %search8+$ m.
"* will measure other 8+$ m cells if %x is less than or equal to %search8+$m.
"* will measure other 8+$ m cells if %search8+$ m has not )een confi&ure(.
ell re-selection (etermination rules are as follows
ollowin& cell re-selection stan(ar(s are use( for intra-frequency/ inter-frequency an(
inter-8+$ cells
8 rules for cell array stan(ar(s are as follows
8s F Nmeas/s O Nhysts
8n F Nmeas/n- Noffsets/n- $?nG 31 Q =n5
0n which
0n which $n is a timer an( it shall )e starte( up if si&nal quality of a(Hacent cell is
)etter than sum of si&nal quality of ser,in& cell an( relati,e offsetNoffset1s/n or
Noffset2s/nof ser,in& cell an( a(Hacent cell. $hat is/ a(Hacent cell shall )e (e(ucte(
)y offset if si&nals of a(Hacent cell fluctuate so that it is (ifficult to )e re&ar(e( as
tar&et cell for re-selection.
+ll cells which meet % stan(ar( shall )e foun(e( out firstly then arraye( accor(in& to
a)o,e 8 rules an( cell with the lar&est 8 shall )e re&ar(e( as tar&et cell for re-selection
(urin& cell re-selection (etermination.
"* will execute cell re-selection process if re-selection inter,al meets cell re-selection
stan(ar( an( "* has staye( in current ser,in& cell for more than 1 secon(.
inim$m demand leel o& cell #$alit% (6#$almin+
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
14/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
15/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3hen you confi&ure a co-channel nei&h)orin&
cell for the cell/ the co-channel interference is lar&er. $o )etter
reflect the si&nal quality/ you shoul( use 0 *cJ!o as the
(etermination stan(ar( of the measure. owe,er/ when you
confi&ure an inter-frequency or inter-system nei&h)orin& cell/
there is no co-channel interference. 0n this case/ it is more
appropriate to use 0 8% as the (etermination stan(ar(
for the measure.
0n a typical networ'in&/ there are a lot of co-channel
nei&h)orin& cells: therefore/ you shoul( select 0 *cJ!o
as the (efault ,alue.
%nchroni8ation &re#$enc% eas$rement /rigger /hreshold &or Cell Re-selection
(intrasearch+
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
16/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
17/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
18/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
19/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
20/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
21/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
22/93
3 Random access parameter
8e&istration process shall )e initiate( after "* selectin& a cell for stayin&. + ran(om
access process shall )e initiate( firstly accor(in& to system )roa(castin& messa&es.
0n a((ition/ ran(om access process shall )e execute( for uplin'interaction )etween "*
an( networ' si(e firstly once "* is un(er i(le/ *==RJ"8+R or
*==R+ status.
rame structure of ran(om access channel
#essa&e partream)le
4A96 chips1A ms 3one ra(io frame5
ream)le ream)le
#essa&e partream)le
4A96 chips 2A ms 3two ra(io frames5
ream)le ream)le
refix of frame structure consists of si&nature co(e an( scram)lin&.
$imin& relationship )etween 8+ an( +0
One access slot
p-a
p-mp-p
Pre-amble
Pre-amble Message part
Acq.
Ind.AICH accessslots RX at UE
PRACH accessslots TX at UE
2
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
23/93
0n which
- >hen +0R$ransmissionR$imin& is A
p-p/minF 1536A chips 3 access slots
p-aF 76A chips
p-mF 1536A chips 3 access slots
- >hen +0R$ransmissionR$imin& is 1
p-p/minF 2A4A chips 4 access slots
p-aF 12AA chips
p-mF 2A4A chips 4 access slots
8an(om access inclu(es #+ layer an( physical layer.
hysical channels use( for ran(om access are represente( )y scram)lin& an( si&nature.
+ccess process of physical layer
*ffecti,e uplin'access time slot &aine( from access time slot collection+n effecti,e
access time slot shall )e selecte( ran(omly amon& correspon(in& access time slot
collection for effecti,e 8+ su)-channel !um)er which is require( for
correspon(in& +%.
+ si&nature shall )e selecte( ran(omly amon& a,aila)le si&natures which correspon( to
selecte( +%.
%ettin& prefix retransmission counter is ream)le 8etrans #ax.
%ettin& initial transmittin& power of prefix
%ettin& prefix transmittin& power is equal to the maximum transmittin& power if
calculate( prefix transmittin& power excee(s the maximum permissi)le
uplin'transmittin& power. %ettin& prefix transmittin& power is equal to the minimum
transmittin& power if calculate( prefix transmittin& power is less than the maximum
permissi)le uplin'transmittin& power. $hen selecte( si&nature/ uplin'access time slot
an( prefix transmittin& power shall )e connecte( to prefix.
0f "* has not recei,e( yesJno reply of selecte( si&nature +0 O1 nor Q1of +0
(urin& ;ownlin'access time slot which is (efine( after uplin'access time slot
+n effecti,e access time slot shall )e selecte( ran(omly amon& effecti,e 8+
22
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
24/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
su)-channel !um)er which correspon(s to selecte( +%.
+n a,aila)le si&nature shall )e selecte( ran(omly amon& a,aila)le si&natureswhich correspon( to selecte( +%.
refix transmittin& power shall )e increase( )y step len&th of A F ower 8amp
%tep C(BD
refix retransmission counter shall )e (e(ucte( )y 1.
$urn to %tep 5 for re-execution if prefix retransmission counter excee(s A or
physical layer =1 of "* will report status of K!o ac' on +0L to #+ an(
exit physical ran(om access process.
"* physical layer will report of K!o ac' on +0 recei,e(L to #+ an( exit
physical ran(om access process if "* has recei,e( ne&ati,e reply for selecte( si&nature
of +0 (urin& (efinition perio( after uplin'access time slot.
"* will sen( ran(om access messa&es (urin& the 3 r(or 4thuplin'access time slot after
sen(in& the prefix time slot finally after recei,in& positi,e reply for selecte( si&nature
of +0 (urin& (efinition perio( after uplin'access time slot. $he 3 r( or 4th
uplin'access time slot (epen(s on #+ parameter of +0 transmission timin&.
hysical layer =1 of "* will report status of M8+ messa&e transmitte(M to #+
an( exit physical ran(om access process.
+ccess process of #+ layer
#+ layer will &enerate ran(om quantity an( sen( pro)a)ility i for comparison if
(ata shall )e sent. %en(in& is not allowe( unless it excee(s i. #+ layer will wait
form next $$0 for re-sen(in& if sen(in& is not allowe( pre,iously.
8an(om access process request of physical layer will )e initiate( to =1 if sen(in& is
allowe(.
hysical layer will fee()ac' to #+ layer for notice of successful access to 88 layer
if prefix sent )y physical layer has )een confirme( )y +0 si&nal channel.
=1 layer will notify #+ layer of access failure if prefix sen(in& times of physical
layer is equal to the maximum prefix retransmission times )ut reply of +0 channel
has not )een recei,e(. #+ layer will sen( reply a&ain for next $$0.
#+ layer will start up re,olution timer $B?1 after physical layer recei,es ne&ati,e
reply of +0 an( notice to #+ layer. 0t can )e sent a&ain after timin&. $B?1 can )e
23
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
25/93
"#$% 8a(io arameter
set to !B?1 times of inter,al of 1Ams A !B?1min !B?1 !B?1max
!B?1min can )e equal to !B?1max when expectin& a fixe( (elay.
#+ layer will notify 88 8+ of sen(in& failure if re-trial times excee( the
maximum pream)le cycle times of 8+.
)ailable ignat$re
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
26/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
27/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
28/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
29/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
30/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3hen the "* recei,es the ne&ati,e response from the +0/ the #+
layer nee(s to start the timer $)o1 so that the #+ layer can attempt to
resen( after a specific time. $his a,oi(s frequent refusal.
$B?1 can )e set to !B?1 times the inter,al of 1A ms an( ran(omly
chan&es in a ran&e. "se this expression to (etermine !B?1 A
!B?1min !B?1 !B?1max.
+fter $BA1 expires/ a new 8+ attempt starts.
;escription of (ata item of ra(io parameter messa&e
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
31/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
32/93
4 UE call establishment parameter
all esta)lishment process shall )e execute( once "* selectin& the cell with
interaction. 0t also shall )e execute( after stayin& on the ser,in& cell if su)sequent
$raffic requests shall )e initiate(.
all esta)lishment process is shown as follows
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
33/93
$he hapter is only to intro(uce parameters which are not rele,ant to "* call process
an( 8a(io 8esource #ana&ement. arameters relate( to ra(io resource mana&ement
are intro(uce( in other hapters.
=aiting /ime a&ter UE ending RRC C**EC/* E/UP RE6UE/
essage (/3>>+
32
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
34/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3aitin& time after "* sen(in& 88 ?!!*$0?! %*$"
8*N"*%$ messa&es $3AA
@alue 8an&e
?#8
1AA/2AA/4AA/6AA/AA/1AAA/12AA/14AA/16AA/1AA/2AAA/3AAA/4AAA/6A
AA/AAA ms
8!A..14
;efault @alue 2AAAms
%cope 8!
unction -
8ecommen(e( onfi&uration Sou shoul( consi(er at least one loop)ac' (elay for this parameter.
aim$m *$mber o& Retransmissions o& the RRC C**EC/* RE6UE/
essage (*3>>+
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
35/93
"#$% 8a(io arameter
3aitin& time for recei,in& K0n %yncL from =1 in i(le mo(e $312
in 0(le #o(e
@alue 8an&e 1..15s
;efault @alue 2s
%cope 8!
unction -
8ecommen(e( onfi&uration
$he &reater the parameter ,alue/ the lon&er time the physical layer
ta'es for synchroniation. $ypically/ the principle is to re(uce the
time for the physical layer to esta)lish the lin'/ an( therefore to
re(uce the call success (elay.
aim$m *$mber o& ?n %nc? Receied &rom 1 in dle ode (*312 in dle
ode+
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
36/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3aitin& time for recei,in& K0n %yncL from =1 in connecte( mo(e
$312 in onnecte( #o(e
@alue 8an&e 1..15s
;efault @alue 1s
%cope 8!
unction -
8ecommen(e( onfi&uration
$he &reater the parameter ,alue/ the lon&er time the physical layer
ta'es for synchroniation. $ypically/ the principle is to re(uce the
time for the physical layer to esta)lish the lin'/ an( therefore to
re(uce the call success (elay.
aim$m *$mber o& ?n %nc? Receied &rom 1 in Connected ode (*312 in
Connected ode+
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
37/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
38/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
39/93
5 Paging parameter
0 si&nal channels shall )e (etecte( when "* is un(er *==RJ"8+R an(
i(le states. channel carrie( )y % shall )e monitore( to &ain pa&in&
messa&e which is pa&in& type 1.
alculation formula of pa&in& occasion is shown as follows
a&in& ?ccasionF 0#%0 (i, mo( ;8E cycle len&th O n G ;8E cycle len&th
0n which
0t refers to se,eral 0s.
n F A/ 1/ 2 as lon& as %! is )elow its maximum ,alue.
alculation formula of su)scri)ers position in 0
0 F ;8E 0n(ex mo( !p
>hen ;8E 0n(ex F 0#%0 (i, 192
;etaile( position in 0 shall )e calculate( as follows
( )( )( ) NpNp
SFNSFNSFNSFNPIq mo(144
144mo(512J64JJ1
++++=
#appin& of pa&in& in(icators qto 0 )its
39
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
40/93
!um)er of pa&in& in(icators
per frame !pqF 1 qF A
!pF1 T)16q/ / )16qO15U F T1/ 1/
/ 1U
T)16q/ / )16qO15U F TA/
A// AU
!pF36 T)q/ / )qO7U F T1/ 1//
1U
T)q/ / )qO7U F TA/ A/
/ AU
!pF72 T)4q/ / )4qO3U F T1/ 1//
1U
T)4q/ / )4qO3U F TA/ A/
/ AU
!pF144 T)2q/ )2qO1U F T1/ 1U T)2q/ )2qO1U F TA/ AU
"* also can recei,e pa&in& messa&e which is pa&in& type 2 un(er *==R; status.
; lo&ic channel is a(opte( so there is no nee( to calculate pa&in& occasion.
C ,omain ,iscontin$o$s Reception (,R
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
41/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
42/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
43/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
ending /imes o& ne Paging essage
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
44/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
45/93
Po!er control parameter
"#$% power control inclu(es power control of open loop/ internal loop an( external
loop. ?pen loop power control is actually use( to confi&ure ori&inal transmittin& power
an( set the maximum an( minimum transmittin& power for internal loop power control.
$herefore/ power control of open an( internal loops shall )e place( toðer.
"1 #asic principle o$ internal loop po!er control
Basic process of internal loop power control
8ecei,in& en( will measure si&nal to interference ratio %08 *)J!o for e,ery
recei,e( ra(io chain circuit then compare( with tar&et si&nal to interference ratio
require( for $raffic.
8eturn control messa&e to sen( a transmitte( power control-$ comman( of which
)it ,alue is A to sen(er if %08PF%08tar&et.
+ $ comman( of which )it ,alue is 1 will )e returne( to sen(er )y ;ownlin'control
channel if %08V%08tar&et.
%en(er will (etermine increasin&J(ecreasin& transmittin& power accor(in& to recei,e(
$ comman( an( (esi&nate( power control al&orithm. +(Hustment amplitu(e
$Rcm(W$R%$*R%0X* TpcStepSize
1. "plin'internal loop power control
"plin'internal loop power control is use( for !o(eB to a(Hust "* transmittin& power
accor(in& to recei,e( %08 of ; an( tar&et %08.
$here are 2 al&orithms for uplin'internal loop power control.
$he 1st al&orithm is internal loop power control for e,ery time slot an( the 2n(
al&orithm is internal loop power control for e,ery 5 time slots.
;ownlin'internal loop power control
;ownlin'internal loop power control is use( for "* to a(Hust !o(eB transmittin&
power accor(in& to recei,e( ; %08 an( tar&et %08.
$here are 2 mo(es for ;ownlin'internal loop power control.
45
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
46/93
$he 1st mo(e is internal loop power control for e,ery time slot an( the 2n( mo(e is
internal loop power control for e,ery 3 time slots.
,PC PC Preamble ength
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
47/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
Uplin' nternal oop Po!er Control )lgorithm
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
48/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
49/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3hen the (ownlin' inner loop power control is
execute(/ the new transmit power must )e smaller than or equal
to the ; maximum (ownlin' transmit power. 0f thecalculate( new transmit power is &reater than the confi&ure(
; maximum (ownlin' transmit power/ it must )e chan&e(
as equal to the ; maximum (ownlin' transmit power.
;escription of (ata item of ra(io parameter messa&e
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
50/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
51/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
52/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
53/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
54/93
"#$% 8a(io arameter
3+#8 6.6AY23.5')ps 3(B
on,ersational ;= 64')ps % on,ersational @i(eo 3(B
on,ersational ;= !+#8 4.75Y12.2')ps 3(B
on,ersational ;= % 2.')ps 3(B
on,ersational ;= % 32')ps 3(B
on,ersational ;= % 64')ps 3(B
%treamin& ;= % 14.4')ps 3(B
%treamin& ;= % 2.')ps 3(B
%treamin& ;= % 57.6')ps 3(B
%treamin& ;= %64')ps 3(B%treamin& ;= % 16')ps3(B
%treamin& ;= % 64')ps 3(B
%treamin& ;= % 34')ps A(B
%treamin& ;= % 12')ps 2(B
0nteracti,e ;= % ')ps3(B
0nteracti,e ;= % 16')ps3(B
0nteracti,e ;= % 64')ps 3(B
0nteracti,e ;= % 34')ps A(B
0nteracti,e ;= % 12')ps 2(B
Bac'&roun( ;= % ')ps3(B
54
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
55/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
56/93
"#$% 8a(io arameter
3+#8 6.6AY23.5')ps A(B
on,ersational ;= 64')ps % on,ersational @i(eo A(B
on,ersational ;= !+#8 4.75Y12.2')ps A(B
on,ersational ;= % 2.')ps A(B
on,ersational ;= % 32')ps A(B
on,ersational ;= % 64')ps A(B
%treamin& ;= % 14.4')ps A(B
%treamin& ;= % 2.')ps A(B
%treamin& ;= % 57.6')ps A(B
%treamin& ;= %64')ps A(B
%treamin& ;= % 16')ps A(B
%treamin& ;= % 64')ps A(B
%treamin& ;= % 34')ps A(B
%treamin& ;= % 12')ps A(B
0nteracti,e ;= % ')ps A(B
0nteracti,e ;= % 16')ps A(B
0nteracti,e ;= % 64')ps A(B
0nteracti,e ;= % 34')ps A(B
0nteracti,e ;= % 12')ps A(B
Bac'&roun( ;= % ')ps A(B
Bac'&roun( ;= % 16')ps A(B
Bac'&roun( ;= % 64')ps A(B
Bac'&roun( ;= % 34')ps A(B
Bac'&roun( ;= % 12')ps A(B
0nteracti,e ;= % 1.2#)ps A(B
0nteracti,e ;= % 3.65#)ps A(B
0nteracti,e ;= % 7.2#)ps A(B
0nteracti,e ;= % 1A.1#)ps A(B
0nteracti,e ;= % 14.A#)ps A(B
Bac'&roun( ;= % 1.2#)ps A(B
Bac'&roun( ;= % 3.65#)ps A(B
Bac'&roun( ;= % 7.2#)ps A(B
Bac'&roun( ;= % 1A.1#)ps A(B
Bac'&roun( ;= % 14.A#)ps A(B
%treamin& ;= % 1.2#)ps A(B
%treamin& ;= % 3.65#)ps A(B
%treamin& ;= % 7.2#)ps A(B
%treamin& ;= % 1A.1#)ps A(B
%treamin& ;= % 14.A#)ps A(B
56
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
57/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3hen the uplin' inner loop power
control is execute(/ the new transmit power calculate( )y the
"* may excee( the parameter ,alue. 0n this case/ the "* must
follow the confi&ure( uplin' ; maximum transmit power.
;escription of (ata item of ra(io parameter messa&e
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
58/93
"#$% 8a(io arameter
*xternal loop power control process is shown as follows
?,erall process of close( loop power control
Uplin' nitial R /arget
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
59/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
60/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
61/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
62/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
63/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
64/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
65/93
& Control parameter s!itch
$he switch control inclu(es the switch of synchroniation frequency/ frequencies an(
systems/ which is intro(uce( as )elow.
&"1 #asic principle o$ intra-$re'(enc) s!itch
0ntra-frequency switch refers to the switch of "* in the cell of "$8+!
synchroniation frequency point with the continuity of $raffic ensure(. $he inter-
frequency switch is )ase( on the switch of measurement. $he inter-frequency
measurement inclu(es acti,e set measurement/ monitorin& set measurement an(
(etecti,e set measurement.
$he acti,e set refers to the cell collection 'eepin& ra(io lin' connection with "*.
$he monitorin& set refers to the cell collection/ which 'eeps no ra(io lin' connection
with "*/ sen(in& messa&e to "* for measurement throu&h the measurement control of
synchroniation frequency.
$he (etecti,e set refers to the cell collection with synchroniation frequency exclu(in&
the cell in the acti,e set an( (etecti,e set.
$he principle of inter-frequency is )ease( on the relate( actions of e,ent execution
throu&h measurement. $he (etail (efinition an( han(lin& process of e,ent is as follows
1. *,ent 1+
*,ent 1+ means that the quality of certain cell outsi(e the acti,e set &ets )etter. $he
relate( tar&et cell can )e a((e( into the acti,e set when recei,in& 1+ e,ent to impro,e
the &ain of more macro (i,ersities. "* will report 1+ to 8! when the cell enters into
the reportin& ran&e of the followin& formula.
J25438=oA>531#=o&1A>0?=oA 1a1aBest
!
1i
i!ew!ew
+
+
+
=
0n which the (efinition for each parameter is as follows
$he reportin& ran&e ofR1a1+ e,ent is use( for controllin& the (ifficulty le,el of cells
65
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
66/93
)ein& a((e( into acti,e set RptRange.
$he report la& ofH1a1+ e,ent is use( for controllin& the (ifficulty le,el of cells )ein&a((e( into acti,e set Hysteresis (Intra.
MNew is the measurement of cell outsi(e the acti,e set to )e e,aluate(.
CIONew is the offset of cell outsi(e the acti,e set compare( to other cell CellIndivOffset
utran8elation.
Miis the mean ,alue of other cell exclu(in& the )est cell in the acti,e set.
NA is the num)er of other cell exclu(in& the )est cell in the acti,e set.
MBest is the measurement of the )est cell for the acti,e set.
W is use( for the wei&htin& proportion W of the )est cell an( other cell in the acti,e
set for the e,aluation criterion.
rom the formula it can )e seen that enlar&in& 81a 1+ e,ent meets the reportin& ran&e
of e,ent quality stan(ar( or (ecreasin& 1a la& ran&e for Hu(&ement can increase the
pro)a)ility of 1+ e,ent. ?n the contrary/ the pro)a)ility of 1+ e,ent can )e (ecrease(.
1+ e,ent supports the perio(ical report. 0n other wor(s/ the 1+ e,ent will )e reporte(
perio(ically PrdRptInterval until the e,ent (oesnt meet the report con(ition or the
reportin& time reaches the allowa)le maximum ,alue PrdRptA!"nt when "*
66
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
67/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
(etects the reportin& ran&e meetin& quality stan(ar( of 1+ e,ent.
1+ e,ent wont )e reporte( when the num)er of cell in the acti,e set reaches certainthreshol( Rpt#eactT$r (ue to the limitation of num)er of acti,e set.
2. *,ent 1B
*,ent 1B means that the quality of certain cell in the acti,e set is )a( with the relate(
cell (elete( from acti,e set when recei,in& 1B e,ent. "* will report 1B to 8! when
the cell enters into the reportin& ran&e of the followin& formula.
J25438=oA>531#=o&1A>0?=oA 1)1)Best
!
1i
i?l(?l(
+
++
+
=
0n which
$he reportin& ran&e ofR1b1B e,ent is use( for controllin& the (ifficulty le,el of cells
)ein& (elete( from acti,e set RptRange.
$he report la& ofH1b1B e,ent is use( for controllin& the (ifficulty le,el of cells )ein&
(elete( from acti,e set Hysteresis (Intra.
MOld is the measurement of cell outsi(e the acti,e set to )e e,aluate(.
CIOOld is the offset of cell outsi(e the acti,e set compare( to other cell CellIndivOffset
utranell.
Miis the mean ,alue of other cell exclu(in& the )est cell in the acti,e set.
NA is the num)er of other cell exclu(in& the )est cell in the acti,e set.
MBest is the measurement of the )est cell for the acti,e set.
W is use( for the wei&htin& proportion W of the )est cell an( other cell in the acti,e
set for the e,aluation criterion.
67
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
68/93
"#$% 8a(io arameter
3. *,ent 1
*,ent 1 means that the quality of certain cell outsi(e the acti,e set is )etter than the
quality of certain cell insi(e the acti,e set. $he relate( cell outsi(e the acti,e set can )e
use( to replace the cell insi(e the acti,e set when recei,in& 1 e,ent to &et )etter
macro (i,ersity. "* will report 1 to 8! when the cell meets the formula )elow.
J20?=oA0?=oA 1c0n+%0n+%!ew!ew +++
0n which
$he report la& ofH1c1 e,ent is use( for controllin& the (ifficulty le,el of cells )ein&
replace( from acti,e set Hysteresis (Intra.
MNew is the measurement of cell outsi(e the acti,e set to )e e,aluate(.
MInAS is the cell with the worst quality in the acti,e set.
CIONew is the offset of worst cell insi(e the acti,e set compare( to other cell
CellIndivOffsetutranell.
CIOInAS is the offset of the cell outsi(e the acti,e set to )e e,aluate( compare( to other
cell CellIndivOffsetutran8elation.
68
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
69/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
4. *,ent 1;
*,ent 1; means that the quality of certain cell insi(e the acti,e set or outsi(e the acti,e
set is )etter than the quality of the )est cell in the current acti,e set. 0n other wor(s/ the
)est cell of inter-frequency has chan&e(. $he soft a((in& the reporte( 1; e,ent of the
cell outsi(e acti,e set an( the num)er of lin' insi(e the acti,e (ont reach maximum
,alue an( soft replacement the reporte( 1; e,ent of the cell outsi(e acti,e set an( the
num)er of lin' insi(e the acti,e reach maximum ,alue or the chan&e of ser,in& cell
focusin& on %-;%J*-; channel can )e tri&&ere( when recei,in& 1; e,ent.
"* will report 1; to 8! when the cell meets the formula )elow.
/HCIO!ogM"#CIO!ogM"# "d$est$est%ot$est%ot$est +++
0n which
MNotBest is the measurement of cell insi(e or outsi(e the acti,e set to )e e,aluate(.
CIONotBest is the offset of cell insi(e the acti,e set to )e e,aluate( compare( to other cell
CellIndivOffsetutranell or the offset of cell outsi(e the acti,e set to )e e,aluate(
compare( to other cell CellIndivOffsetutran8elation.
CIOBes is the offset of cell insi(e the acti,e set to )e e,aluate( compare( to other cell
CellIndivOffsetutranell.
MBest is the measurement of cell insi(e the acti,e set to )e e,aluate(.
1dis the report la& of 1( e,ent ysteresis 0ntra.
69
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
70/93
"#$% 8a(io arameter
rom the formula it can )e seen that enlar&in& 81( la& ran&e for Hu(&ement can
(ecrease the pro)a)ility of 1; e,ent. ?n the contrary/ the pro)a)ility of 1; e,ent can
)e increase(.
Reporting Range Constant &or Eent 1)A1:
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
71/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
72/93
"#$% 8a(io arameter
3hen you (etermine this parameter/ you shoul(
ensure that a small chan&e of the si&nal will not tri&&er e,ent
reportin& of e,ent 1aJ1) an( ensure timely tri&&erin& of e,ent
1cJ1(. $he &reater the parameter ,alue is/ the har(er e,ent
1aJ1)J1cJ1( is tri&&ere(: the smaller the parameter ,alue is/ the
easier e,ent 1aJ1)J1cJ1( is tri&&ere(. or e,ent 1a an( e,ent 1)/
typically/ a smaller ,alue is confi&ure( to reflect si&nal chan&e
as soon as possi)le. or e,ent 1c an( e,ent 1(/ a &reater ,alue is
preferre(. ?therwise/ to&&le switchin& occurs. +lso/ the
parameter ,alue cannot )e to lar&e: otherwise/ switchin& will )e
(elaye(/ an( therefore serious call (rop situation occurs.
Reporting ,eactiation /hreshold &or Eent 1)
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
73/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3hen the num)er of cells
in the acti,e set reaches a threshol( Rpt#eactT$r/ e,ent 1a is
no lon&er reporte(. owe,er/ the macro (i,ersity &ain o)taine(
from the num)er of lin's in the acti,e set (oes not follow linear
increase. $ypically/ when the num)er of macro (i,ersity lin's is
set to 3/ an i(eal &ain is o)taine(.
Replacement )ctiation /hreshold &or Eent 1C and 1B
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
74/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
75/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
76/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
77/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
78/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
79/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
NA is the cell num)er in the ,irtual acti,e set for Z carrier exclu(in& the )est cell.
MBest is the measurin& result of the )set cell in the ,irtual acti,e set for Z carrier.
W is the wei&htin& of the )est cell in the ,irtual acti,e set (urin& the process of
carrier wa,e measurin& Wn!%sedor W"sed&
$he (efinition an( han(lin& process of e,ent for inter-frequency are as follows
1. *,ent 2+
2+ the )est carrier frequency is chan&e(. $his e,ent is use( for the (etermination of
inter-frequency switch for 8!. $he compression mo(e nee(s to )e starte( when "*
measures an( reports the e,ent.
/H.. a$est%ot$est +
0n which
QNotBest is the measurin& result of current non-)est carrier wa,e.
QBestis the measurin& result of current )est carrier wa,e.
2ais the (elay parameter of switch (etermination for 2+ e,ent Hysteresis0nter
2. *,ent 2B
2B the quality of wor'in& carrier frequency is lower than a threshol( an( the quality of
non-wor'in& carrier frequency is hi&her than a threshol(. $his e,ent is use( for the
(etermination of inter-frequency switch for 8!. $he compression mo(e nee(s to )e
starte( when "* measures an( reports this e,ent.
/HT.bb)sed%on)sed%on
+ +n( /HT. bbUsedUsed
0n which
QNon used is the measurin& result of current non-usin& carrier wa,e.
/*on $sed 2b is the a)solute threshol( of &oo( qality of non-usin& carrier wa,e for 2) e,ent
(etermination T$res$N!%sedFreq.
2b is the (elay parameter of 2) e,ent (etermination Hysteresis0nter.
Q!sed is the measurin& result of current use( carrier frequency.
"!sed #b is the a)solute threshol( of )a( qality of non-usin& carrier wa,e of usin& carrier
wa,e for 2) e,ent (etermination T$res$%sedFreq.
3. *,ent 2
79
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
80/93
"#$% 8a(io arameter
2 the quality of non-wor'in& carrier frequency is hi&her than a threshol(. $his e,ent
is use( for the (etermination of inter-frequency switch for 8!. $he compression
mo(e nee(s to )e starte( when "* measures an( reports this e,ent.
J24$N 2c2cuse(!onuse(!on +
0n which
QNon used is the measurin& result of current non-usin& carrier wa,e.
/*on $sed 2c b is the a)solute threshol( of &oo( qality of non-usin& carrier wa,e for 2c
e,ent (etermination T$res$N!%sedFreq.
2c is the (elay parameter of 2c e,ent (etermination Hysteresis0nter.
4. *,ent 2;
2; the quality of wor'in& carrier frequency is lower than a threshol(. $his e,ent
measures the si&nal quality of current usin& carrier frequency/ which (oesnt nee( to
start compression mo(e. owe,er/ this e,ent is use( for tri&&erin& e,ent of 2+J2BJ2
measurement )y startin& compression mo(e.
/HT.ddUsedUsed
0n which
Q!sed is the measurin& result of current usin& carrier wa,e.
"!sed #b is the a)solute threshol( of )a( qality of usin& carrier wa,e for 2( e,ent
(etermination T$res$%sedFreq.
2b is the (elay parameter of 2( e,ent (etermination Hysteresis0nter.
5. *,ent 2*
2* the quality of non-wor'in& carrier frequency is lower than a threshol(. $his e,ent
is use( for Hu(&in& si&nal quality of non-wor'in& carrier frequency/ which can )e use(
as the tri&&erin& e,ent of tri&&erin& intersystem switch.
/HT.ee)sed%on)sed%on
0n which
QNon used is the measurin& result of current non-usin& carrier wa,e.
/*on $sed 2e is the a)solute threshol( of &oo( qality of non-usin& carrier wa,e for 2e e,ent
(etermination T$res$N!%sedFreq
80
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
81/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
H#e is the (elay parameter of 2e e,ent (etermination Hysteresis.
6. *,ent 2
2 the quality of wor'in& carrier frequency is hi&her than a threshol(. $his e,ent
measures the si&nal quality of current usin& carrier frequency/ which (oesnt nee( to
start compression mo(e. owe,er/ this e,ent is use( for tri&&erin& e,ent of closin&
compression mo(e when the current starte( compression mo(e measures 2+J2BJ2.
/HT.((UsedUsed
+
0n which
Q!sed is the measurin& result of current usin& carrier wa,e.
/Used 2& is the a)solute threshol( of )a( qality of usin& carrier wa,e for 2f e,ent
(etermination T$res$%sedFreq.
&eis the (elay parameter of 2f e,ent (etermination Hysteresis0nter.
0ntro(uction to compression mo(e
$here are two metho(s for the &eneration of compression mo(e frame
1. al,in& of %
$he hal,in& of % is fulfille( throu&h enlar&in& the empty )an(wi(th of traffic. 0n this
way/ part of the slot time in the same ra(io frame can )e specially use( for measurin&
inter-frequency an( intersystem an( part of the slot time can )e specially use( for (ata
)it transmission. $he transmission strate&y of % hal,in& is &enerally use( for the
traffic with hi&h requirement for time (elay an( minimal &uarantee (eman( for (ata
rate/ such as the % (ata traffic of % an( %.
2. i&h-le,el sche(ulin&
$he su)stance of hi&h-le,el sche(ulin& is that the hi&h-le,el re&ulates the rate of (ata
transmission. art of the slot time in the same ra(io frame can )e specially use( for
measurin& inter-frequency an( intersystem an( part of the slot time can )e specially
use( for (ata )it transmission on con(ition that the empty )an(wi(th (oesnt chan&e. 0t
is &enerally use( for non-real-time traffic with low requirement for time (elay/ such as
the % (ata traffic of 0JB.
$he
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
82/93
"#$% 8a(io arameter
[14[!first-1
315 %in&le-frame metho(
325 ;ou)le-frame metho(
7irst ra(io frame %econ( ra(io frame
8a(io frame$ransmission &ap
$ransmission &ap
[A
[14
[!lastO1
[!first-1 [!lastO1[A
osition of transmission &ap $
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
83/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
84/93
"#$% 8a(io arameter
3 use( frequency
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
85/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
86/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
87/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
88/93
"#$% 8a(io arameter
system. $he purpose of intersystem is to ensure the ser,ice continuity an( loa(
sharin&. *nsurin& the ser,ice continuity is )ase( on the switch of intersystem
measurement. $he loa( sharin& of intersystem is )ase( on the )lin( switch of co,era&e
or inclusion relation. $he )ac'&roun( of intersystem switch tri&&ere( )y loa( sharin&
inclu(es loa( )alancin& an( loa( control.
$he (efinition an( han(lin& process of e,ent for intersystem switch are as follows
1. *,ent 3+
3+ the quality of current use( "$8+! carrier frequency is lower than a threshol( an(
the quality of other ra(io system is hi&her than a threshol(. 0t is use( for the
(etermination of intersystem switch.
/HT.3aUsedUsed
+n( /HTCIOM 3aRATOt6erRATOt6erRATOt6er ++
0n which
Q!sedis the quality e,aluation of operatin& frequency for "$8+!.
"!sed is the a)solute threshol( of current operatin& frequency T$res$.
3ais the (elay parameter of 3+ e,ent (etermination ysteresis 8at.
MOt$er RA" is the quality measurin& result of other systems.
CIOOt$er RA"is the quality offset of other system cells CellIndivOffset&sm8elation.
/ther R)/ the a)solute threshol( of &oo( qality for other systems T$res$Sys.
2. *,ent 3
3 the quality of other ra(io systems is hi&her than a threshol(/ which can )e use( for
the (etermination of intersystem.
/HTCIOM3cRATOt6erRATOt6erRATOt6er
++
0n which
MOt$er RA" is the quality measurin& result of other systems.
CIOOt$er RA"is the quality offset of other system cells CellIndivOffset &sm8elation.
/ther R)/ the a)solute threshol( of &oo( qality for other systems T$res$Sys.
3cis the (elay parameter of 3 e,ent (etermination ysteresis 8at.
0n the e,ent (etermination of intersystem/ when the carrier wa,e meets the reportin&
ran&e or threshol( of certain e,ent/ the e,ent can )e reporte( )y the meetin& of lastin&
88
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
89/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
a perio( of time TrigTie (Rat& in or(er to a,oi( the intra-frequency e,ent
mis(eclaration cause( )y fluctuation of carrier wa,e quality.
)bsol$te /hreshold o& the 6$alit% o& U/R)* Cell &or 3)
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
90/93
"#$% 8a(io arameter
3
;escription
$his parameter is use( for quality (etermination of the quality
of the "$8+! system in inter-system measurement/ an(
in(icates the wei&ht of the )est cell in the (etermination of
e,ent 3a.
#+ER8+$R#*+%R*@*!$ represents the maximum num)er
of the inter-system measure e,ents. $he ,alue is 4.
;escription of (ata item of ra(io parameter messa&e
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
91/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
92/93
"#$% 8a(io arameter
3
7/23/2019 07 Wo_nast3012_e01_0 Umts Radio Parameter-100
93/93
hapter 1 ell an( common si&nal channel esta)lishment parameters
3
Recommended