gsm-to-umts training series 22_hsupa principles_v1.0

Chan&e Hi#to!*

+))%)(%(/ (.(
Chen& 4an&*uan
+))%)(%+) (.+
The item# on / fo! com"a!in& HSUA and G2S a!e modified.
Note# a!e added in (1.
Note of the E%T4C i# added on (5.
6han& i7o
O78ecti9e#
4eatu!e# of HSUA
$AC La*e! and h*#ical La*e! of HSUA
Schedulin& !inci"le# of HSUA
owe! Cont!ol of HSUA
In thi# cou!#e, *ou will lea!n:

Content#
Chapter 2 MAC Laer o! HSUPA
Chapter " Phsical Laer o! HSUAP
Chapter # Sche$ulin% Principles o! HSUPA
Chapter & Po'er Control o! HSUPA

$ulti"le acce##
CS( to CS5
7uffe! of the UE, and
a9aila7le "owe!

4eatu!e# of
HSUA
Lon& dela*
!ate: +) to /)
2educed dela*
Im"!o9ed >oS
Com"a!i#on etween 2 and HSUA
$in.() m# TTI $in. + m# Binitial ()
m# TTI
and allocation
!et!an#mi##ion
HA2> to "e!fo!m
the "h*#ical la*e!
$ulti"le0in& of
Com"a!i#on etween HSUA and HSDA
New hi&h%#"eed
$ulti"le u#e!# #ha!e
the "owe! and code
!e#ou!ce# of the
to !i#e, and the Node
allocate# !e#ou!ce# amon&

4eatu!e# of HSUA
Im"o!tant featu!e# of 2elea#e @
The Node ha# multi"le hi&h%#"eed channel# to !ecei9e #i&nal# f!om the UE.
The #i&nal# ma* come f!om diffe!ent UE# o! the #ame UE.
$ulti"le u#e!# #ha!e the inte!fe!ence.
$ulti"le u#e!# t!an#mit #i&nal# at the #"ecified !ate and "owe! 7a#ed on uic?
#chedulin&.

Cate&o!* and Ca"a7ilit* of the HUSA UE
4o! () m# TTI, the ma0imum !ate cannot e0ceed +))) ?7it#.

Content#
Chapter " Phsical Laer o! HSUPA

HSUA !otocol Stac?

Detail# of $AC%e#e at the UE Side
MAC-es/e
%!"A0C' 1 !")0C'%s((
Associated AC21-AC2 signaling %!"'3C'(

CCH
DSCH
Si&nallin&
$AC%h#
Confi&u!ation
with $AC
Confi&u!ation
Si&nallin&
$AC Cont!ol
$AC%e#
$AC%e
$AC Cont!ol
Detail# of $AC%e at the Node Side
In the Node, the!e i#
an $AC%e entit* and
an E%DCH #chedule!
fo! each UE. The
#chedule! "!oce##
Detail# of $AC%e# at the 2NC Side
In the S2NC, the!e i# an
$AC%e# entit* fo! each
UE. The $AC%e# #u7la*e!
"!oce##e# the E%DCH%
!elated function# that a!e
entit* in the Node.
#o MAC"d
&isasse48l5
MAC"d 9lo/ 71 MAC"d 9lo/ 7n

$AC%e#e DU
$AC%d DU $AC%d DU $AC%d DU
$AC%e# SDU$AC%e# SDUTSN( N(DDI( $AC%e# SDU
$AC%d DU# comin& f!om one Lo&ical Channel
N( $AC%e# SDU# of #iFe and LCh indicated 7* DDI(
$AC%e# DU(
$AC%e# DU( $AC%e# DU+ $AC%e# DUn
$AC%e# DU+ $AC%e# DU( DDIn Nn $AC%e# DUn
$AC%e DU
Content#

Channel $a""in&

New Channel# in HSUA
U"lin? t!an#"o!t channel
U"lin? "h*#ical channel
E%DDCH: ea!# E%DCH DU#.
E%DCCH: ea!# the cont!ol info!mation of the E%DDCH.
Downlin? "h*#ical channel
E%HICH: ea!# the HA2> AC=NAC= indication me##a&e of the E%DCH.
E%AGCH: ea!# the a7#olute &!ant BAG info!mation dete!mined 7* the #chedule!.

HUAWEI TECHNOLOGIES CO., LTD. HUAWEI Confidential
h*#ical La*e! Info!mation E0chan&e !oce## of HSUA
The UE #end# an SI !eue#t ca!!*in& 7uffe! #tate,
UH, and othe! !ele9ant info!mation th!ou&h the E%
DDCH.
The Node allocate# !e#ou!ce# th!ou&h the E%AGCH
to the UE BAG "!ocedu!e o! indicate# "owe!
ad8u#tment th!ou&h the E%2GCH B2G "!ocedu!e.
The UE #end# $AC%e DU B#e!9ice o! #i&nalin&
data th!ou&h the E%DDCH, and #end# the cont!ol
info!mation B!eui!ed fo! demodulatin& the DU
and ha""* 7it Bindicatin& whethe! the UE i# ha""*
with the cu!!ent #cheduled !ate th!ou&h the E%
DCCH.
The Node tell# the UE whethe! the DU ha# 7een
#ucce##full* demodulated th!ou&h the E%HICH.
E%DDCH E%DCCH E%AGCH2GCH E%HICH

St!uctu!e of the E%DDCHE%DCCH
Heade! $AC%e DU B"a*load SI addin&
St!uctu!e of E%DDCH B#u7 f!ame
2SN E%T4CI Ha""* 7it
St!uctu!e of E%DCCH #u7f!ame
+7it -7it (7it
cu!!ent #cheduled !ate.
E%DDCH E%DCCH 4!ame 4o!mat
The E%DDCH and the E%DCCH 7oth ?ee" f!ame ali&nment with the u"lin?
DCCH.
$odulation: S= with I> 7!anch
When the TTI of E%DCH i# () m#, the content# of the E%DCCH #u7f!ame i#
!e"eatedl* #ent fo! fi9e time#.

E%DDCH E%DCCH Slot 4o!mat
c Channel it Rate
S6 its 6ra)e

Ced,? : ChanneliFation code
Ied,? (, ma"# to I 7!anch
Ied,? 8, ma"# to > 7!anch
*)a8-
$p$ch
HS-DSCH
E%DDCH+ (
Code 2e#ou!ce Allocation
E%DCCH u#e# the channel code: Cec Cch,+/@,(
E%DDCH? u#e# the channel code: Ced,?, which i# dete!mined 7* Nma0%d"dch
and the #"!eadin& facto!. 4o! the #"ecific !ule#, #ee the followin& ta7le.
*)a8-$p$ch /-DPDCH3 Channeli:ation co$e Ce$,3
)
Cch,+,( if S4 +
Cch,+,( if S4 +
E%DDCH1
Cch,+,( if S4 +
Downlin? Channel
E%AGCH
!atio.
E%2GCH
UE to inc!ea#e, dec!ea#e, o! ?ee" it#
t!an#mit "owe! cu!!entl* &!anted.
E%HICH
of the "!e9iou# data i# #ucce##ful BAc? o!
not BNac?.
00I
S4+/@
G!ant $echani#m
A7#olute G!ant BAG
o!ne 7* the E%AGCH of the E%DCH #e!9in& cell.
G!ant mode: An inde0 Btotall* 1( inde0 9alue# i# u#ed to indicate the T!affic%to%
ilot !atio BE%DDCHDCCH.
Si&nificance of the G!ant 9alue: $a0imum "owe! !atio BE%DDCHDCCH
a9aila7le fo! the UE.
2elati9e G!ant B2G
2G ca!!ie# a command in#t!uctin& the UE to inc!ea#e, ?ee", o! dec!ea#e it#
cu!!ent t!an#mit "owe!.
The Se!9in& 2G i# #ent 7* all the cell# in the E%DCH #e!9in& 2L#.

E%AGCH 4!ame 4o!mat
4i0ed !ate: 1) ?7it#
S4+/@
The E%AGCH 7ea!# the E%DCH a7#olute G!ant info!mation of all the UE# in the cell.
The TTI ma* 7e + m# o! () m# de"endin& on the E%DCH. If the E%DCH TTI i# () m#, then the E%AGCH eithe!
#end# the #ame content in fi9e #u7f!ame#, o! #end# the content in one of the fi9e #u7f!ame#.

lot 1 lot 14lot 2 lot ilot 0
#slot : 2560 c.ips
!"AC' 20 its
$a""in& of A7#olute G!ant BAG 'alue# 4o! the actual &!ant 9alue# BT, #ee the followin& ta7le.
A4solute Grant
B(/)(/+0@ 1) B()@(/+ ( B1)(/+ 3
B(@3(/+05 + B/(/+ (3 B+-(/+ -
B(/)(/+05 +3 B35(/+ (- B+5(/+ @
B(15(/+05 +- B-/(/+ (@ B((/+ /
B(/)(/+0+ +/ B@)(/+ (5 B(((/+ 1
B/(/+05 +5 B/1(/+ (1 B-(/+ +
B(@3(/+ +1 B5-(/+ (+ 6E2OJG2ANTK (

E%AGCH 4!ame Timin&

E%2GCH 4!ame 4o!mat Dedicated downlin? "h*#ical channel fo! t!an#mittin& 2G B<(, ), %( o! ), %( to the UE
Ado"t the #ame f!ame fo!mat and the #ame channeliFation code of the E%HICH
S4(+3
$odulation: >S=

$a""in& of E%2GCH 2elati9e G!ant 'alue#
Co))an$ RG Value /-DCH Servin% Ra$io Lin3 Set5
RG Value /-DCH Mon- Servin% Ra$io Lin3 Set5
U <( not allowed
HOLD ) )
DOWN %( %(

SGcur is the scheduled power state of the previous frame.
SGreq is the power needed for the TTI requested rate.
When Sgreq - SGcur > AGThreshold, the -AG!" is used to ad#ust the power. $therwise, the -
%G!" is used to ad#ust the power.
In$e8 Sche$ule$ Grant In$e8 Sche$ule$ Grant In$e8 Sche$ule$ Grant
1- B(@3(/+K@ +5 B/(/+ (( B+((/+
1@ B(/)(/+K@ +1 B35(/+ () B((/+
1/ B(@3(/+K5 ++ B-/(/+ B(-(/+
15 B(/)(/+K5 +( B@-(/+ 3 B(/(/+
11 B(15(/+K5 +) B@)(/+ - B(1(/+
1+ B(((/+K5 ( B/1(/+ @ B(+(/+
1( B(/)(/+K+ (3 B5-(/+ / B(((/+
1) B/(/+K5 (- B5+(/+ 5 B(/+
+ B(@3(/+ (@ B13(/+ 1 B3(/+
+3 B(/)(/+ (/ B15(/+ + B-(/+
+- B(15(/+ (5 B1)(/+ ( B@(/+
+@ B(((/+ (1 B+-(/+ ) B/(/ +
T*"ical Inte!action etween the UE and the Node
The UE #end# the
#tate and the a9aila7le "owe!
and the ha""* 7it.
AG0hreshol$
U#e AG to &!ant U#e RG to &!ant
Ad8u#t the "owe! acco!din& to AG
o! 2G, and indicate# whethe! the
UE i# ha""* with the cu!!ent
#cheduled !ate.
Timin& 2elation# Amon& the E%2GCH, %CCCH, and DCH Each #lot 7ea!# an 2G command.
If the cell doe# not 7elon& to the E%DCH #e!9in& 2L#:
The 2G info!mation i# #ent in (/ con#ecuti9e #lot# B() m#.
If the cell 7elon&# to the E%DCH #e!9in& 2L#:
() m# TTI: The 2G info!mation i# #ent in (+ con#ecuti9e #lot# B3 m#.

E%2GCH Timin& 2elation#
When the cell #endin& the E%2GCH 7elon&# to the E%DCH #e!9in& 2L#, the E%
2GCH f!ame off#et confi!m# to the followin& condition#:
(. If the E%DCH TTI i# () m#, the E%2GCH f!ame off#et to the %CCCH
#ati#fie# the followin& fo!mula:
+. If the E%DCH TTI i# + m#, the E%2GCH f!ame off#et to the %CCCH #ati#fie#
the followin& fo!mula:
When the cell #endin& the E%2GCH doe# not 7elon& to the E%DCH #e!9in& 2L#:
( )

− ×+=−
E%HICH 4!ame 4o!mat
Dedicated downlin? "h*#ical channel fo! t!an#mittin& the HA2>
Ac?Nac? to the UE
Ado"t the #ame f!ame fo!mat and the #ame channeliFation code of
the E%2GCH
S4(+3
$odulation: >S=
All cell# in the E%DCH acti9e #et #end E%HICH f!ame#.
Ac?Nac? indication
Nac? f!om non%#e!9in& 2L# ) BDTM

E%HICH Timin& 2elation#
When the E%DCH TTI i# () m#, the E%HICH f!ame off#et to %CCCH i#: Bchi"#
When the E%DCH TTI i# + m#, the E%HICH f!ame off#et to %CCCH i#: Bchi"#
n "I!" ,−τ
n "I!" ,−τ ( )
How to 2each the ea? 2ate B/.-@ $7it#
!econdition#:
Codin& efficienc* (
+ m# TTI
E%DDCH 4!ame BS45
When S45, TTI+ m#, and codin& !ate(, the ma0imum "a*load of each #u7f!ame i# (+) 7it#, that i#
@) ?7it#.
(+) 7it# #*m7ol#
(+) 7it# #*m7ol#
-@3) chi"#
(1 codin&

E%DDCH 4!ame BS4+
When S4+, TTI+ m#, and codin& !ate(, the ma0imum "a*load of each #u7f!ame i# 135) 7it#, that i#
(+) ?7it#.
135) 7it# #*m7ol#
135) 7it# #*m7ol#

$ulti%Code T!an#mi##ion
SI SI;$ata Retrans)ission
Content#

2i#e%o9e!%The!mal B2oT !eflect# the
mea#u!ement 9alue of the u"lin? load.
In o!de! to co!!ectl* demodulate the data !ecei9ed
7* the Node, the Si&nal%to%Inte!fe!ence%Noi#e
2atio BSIN2 mu#t 7e the minimum.
The inc!ea#e of the u#e! num7e! and t!an#mit
"owe! lead# to the inc!ea#e of the u"lin?
inte!fe!ence.
The Node #en#e# the noi#e !ai#e and SIN2 i#
influenced.
7* ad8u#tin& the G!ant fo! e9e!* UE.
The UE t!an#mit# the data 7a#ed on the G!ant, the
9olume of data to 7e #ent, and the a9aila7le
t!an#mit "owe!.
Node Schedulin&
UE( UE+ UE1
The Node allocate# !e#ou!ce# amon& multi"le UE# in the unit of TTI,
and notifie# the UE th!ou&h G!ant.
The Node t!ie# to #ati#f* the demand of all online u#e!# unde! the
"!econdition of "!e9entin& o9e!load, ma0imiFin& !e#ou!ce utiliFation !atio,
and ma0imiFin& the cell th!ou&h"ut.
The #chedule! of HSUA need# to con#ide! the channel condition, the
data 9olume to 7e #ent in the UE 7uffe!, and the a9aila7le t!an#mit "owe!
of the UE.
Im"lementation of Schedulin&
The UE !e"o!t# the Schedulin& Info!mation BSI.
The UE !e"o!t# the ha""* 7it.
The Node cont!ol# the t!an#mit "owe! of the UE.
The Node &!ant# a T!affic%to%ilot !atio to the UE,
which dete!mine# the t!an#mit !ate of the UE.
Thi# mode, in which the Node &!ant# a T 9alue to the
UE, i# called #cheduled t!an#mi##ion.
The Node #ati#fie# the demand of the dela*%#en#iti9e
#e!9ice#.
#en#iti9e #e!9ice#, that i#, the 2NC allocate# a ce!tain
amount of !e#ou!ce# di!ectl* to the UE, and the UE can
u#e the !e#ou!ce# at an* time !athe! than waitin& fo! the
#chedulin& !e#ult.
HA2> $echani#m
The Sto" and Wait BSAW "!otocol fo! multi%channel o! multi%"!oce## i#
"e!fo!med th!ou&h fou! BTTI() m# o! ei&ht BTTI+ m# "!oce##e#.
S*nch!onou# !et!an#mi##ion doe# not need the "!oce## num7e!.
Each 2adio Lin? B2L #end# the feed7ac? !e#"ecti9el*.
Each 2L e#ta7li#he# one E%HICH.
The E%HICH info!mation #ent 7* each 2adio Lin?# #et B2L# i# the
#ame and can 7e com7ined.

Content#
Chapter # Sche$ulin% Principles o! the HSUPA

E%DCCH h*#ical Channel owe! Cont!ol
The E%DCCH ha# a "owe! off#et with the u"lin? DCCH.
ec i# the &ain facto! of the E%DCCH.
E%DCCH i# de#i&nated 7* the hi&he! la*e!, which can 7e #"ecified 7* "a!amete!
#ettin&#.
DPCCH
E%DDCH h*#ical Channel owe! Cont!ol

E%DDCH h*#ical Channel owe! Cont!ol

E%DDCH Gain 4acto!
The E%DDCH ha# a "owe! off#et with the u"lin? DCCH.
ed i# the &ain facto! of E%DDCH.
ed,!ef i# the &ain facto! of the !efe!ence E%T4C.
ed can 7e calculated th!ou&h ed,!ef.
E%DDCH and ha! a!e de#i&nated 7* the hi&he! la*e!, which can 7e
#"ecified 7* the "a!amete! #ettin&.
+), ,
, , ,
, ,
()
E%T4C
T4C.
!efe!ence E%T4C.
cu!!ent E%T4C.
2efe!ence E%T4C How to dete!mine the !efe!ence E%T4C of each f!ame
The !efe!ence E%T4C i# the #*#tem%#"ecified !efe!ence E%
T4C.
Su""o#e the !efe!ence E%T4C# a!e (, +, ...m%(,m Bm i# the
ma0imum !efe!ence E%T4C, then the E%T4C# 7etween
m%( and m #hall ta?e m%( a# the !efe!ence E%T4C.
The E%T4C# la!&e! than m #hall ta?e m a# the !efe!ence
E%T4C.
The E%T4C# #malle! than ( #hall all #elect ( a# the
!efe!ence E%T4C.
E%T4C - E%T4C /
E%T4C @ E%T4C /
E%T4C / E%T4C /
E%T4C + E%T4C +
E%T4C ( E%T4C +
A# #hown in the !i&ht fi&u!e, E%T4C +/
a!e the #"ecified !efe!ence E%T4C#.

E%AGCHE%2GCHE%HICH owe! Cont!ol
Two "owe! cont!ol mode#
Static "owe! allocation
c"ich < owe!Off#et
D*namic "owe! allocation B7a#ed on the downlin? DCH
%%%E9e!* ?ind of channel can ha9e a diffe!ent O. The #"ecific

DPCH Active Set
/-DCH Active Set
2GCH command# #ent 7*
Send the non%
#e!9in& E%2GCH
acti9e #et and can "!oce##
the E%DCH.
A""endi0 +: E%DDCH 42C
42C P 4i0ed 2efe!ence Channel
Totall* #e9en ?ind# of 42C: ( to -, which a!e multi"le te#t !efe!ence
channel# of the E%DDCH.
6i8e$ Re! Channel
42C+ + /5(+ + + ) ) -@3) ).-)/ +-)@.)
42C5 () /)-@ 5 ) ) ) @)) )./+ /)-.@

gsm-to-umts training series 22_hsupa principles_v1.0

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