Smooth hard handover method, mobile station and base station adapted for the ...

Uu lub uiz-RRcl I UE-L1 | jNodeB-L11 IRNC-L1| SRNC-RRC Radio link addition trig ered CPHY-RL- g Setup-REQ 4 R -—‘——--Start RX 42 E and TX i 44 ~20

4s CPHY-RL-Setup-CNF R _ 3°

CPHY-RL-Setup

REQ :
I E 4

_ ACTIVE SET UPDATE 45 ;_
CPHY-RL- \

Setup-REQ 46
7-’ 48

RX
47
ACTVE SET UPD/[\TE COMPLETE _ ____ __

CPHY-RL- \

Setup-CNF 49

411 {III E11] l___—_I [Iii M

Fig. 4

ms

§_

200

O0

I
I
i<-----------

ITIS

CPHY-RL- ...

I _ _ , . . . . . ’ _ _ . - _ I 4 , . . \ ’ , . - \ ,.

Fig. 5a

Inter-frequency handover

T.

-RL-Setup-CNF / _ ~2O_

0

lTlS

_x_ .

E...-._._...._._._..__.._______

200 Setup-REQ 400 ms

. ~ . _ ‘ I . - _ . \ . _ _ _ _ . -

\ \

—-\ I

Layer 1 synchronisation I CPHY-Sync-IND E I 512 E 511 / ; I Layer 2 link established I PHYSICAL Ci~ANNEL RE ONFIGURATION COMPLETE (acknowi olged on L2) t 4 H --—513 4 CPHY-RL-Release-REQ 514 Stop old rx/tx 515 PH‘/-RL-Release-CNF _ 516 < CPHY-RL-Releaj-REQ

517

III [iii Ii] I___.”_l IIII

Fig. 5b

Uu lub UE-RRCI I UE-L1 | INodeB-L1I IRNC-L1I SRNC-RRC Radio link addition triggered CPHY1-RL-Prepare-REQ Q

Setup I

radio link 62 I ;

but do not I I

start rx/tx 64 ~20

30 ms .

CPHY--RL-Prepare-CNF R _ I ;

CPHY-RL-
I

Prepare-REQ 1 I

PREFIARATICN SET UPDATE as I

4 “"'"" I

CPHY-RL-- D ~200I31-epare__REQ 68 66 4U0|fT1S I Setup I 679 radio link : but do not I RATlq)N SET UPDATE COMPLETE

67b C: I:::I I:::I

Fig.6

A \ >_

69

U

Uu lub lui-;-RRol l UE-L1 | lNodeB-Lil lRi\ic-Lil SRNC-RRC Radio link removal triggered _ PREPARATIQN SET UPDATE 7° CPHY-RL- S Release-REQ 73 71

Fig. 7