Method, base station, and user equipment for activating or deactivating carrier
Embodiments of the present invention provide a method, a base station, and a user equipment for activating or deactivating a carrier. The method includes the following: A base station determines to activate or deactivate at least one secondary carrier used to communication with a user equipment and transmits a High Speed Shared Control Channel HS-SCCH order to the user equipment, where the HS-SCCH order carries indication information used to indicate activation or deactivation of the at least one secondary carrier. In the embodiments of the present invention, a user equipment is capable of correctly activating or deactivating a carrier.
1. A method for activating or deactivating a carrier, comprising:
receiving, by a user equipment, a High Speed Shared Control Channel (HS-CCH) order transmitted from a base station, wherein the HS-SCCH order carries indication information, the indication information comprises three bits x ord,1 , x ord,2 , and x ord,3 , wherein x ord,1 is 0 or 1, the indication information is used to indicate activation or deactivation of at least one secondary carrier for communication between the user equipment and the base station;
determining, by the user equipment, x ord,1 =0 no matter whether the value of x ord,1 in the received HS-SCCH order is 1 or 0,
updating, by the user equipment, an activation or deactivation state of the at least one secondary carrier according to the determined x ord,1 , and the value of x ord,2 , and x ord,3 ;
wherein the updating an activation or deactivation state of the at least one secondary carrier according to the determined x ord,1 , and the value of x ord,2 , and x ord,3 , comprises:
updating the activation or deactivation state of the at least one secondary carrier according to the three bits x ord,1 , x ord,2 , and x ord,3 in the following table when an order type x odt,1 , x odt,2 , x odt,3 in the table is 001,
Functionality
Order
A = Activate; D = Deactivate
Type
1st
2nd
3rd
Second-
X odt, 1 ,
secondary
secondary
secondary
ary
X odt, 2 ,
Order Mapping
downlink
downlink
downlink
uplink
X odt, 3
X ord, 1
X ord, 2
X ord, 3
carrier
carrier
carrier
carrier
001
0
0
0
D
D
D
D
0
0
1
A
D
D
D
0
1
1
A
D
D
A
0
1
0
D
A
D
D
1
0
0
A
A
D
D
1
0
1
A
A
D
A
1
1
0
D
D
A
D
1
1
1
A
D
A
D
010
0
0
0
A
D
A
A
0
0
1
D
A
A
D
0
1
0
A
A
A
D
0
1
1
A
A
A
A
1
0
0
Reserved
1
0
1
Reserved
1
1
0
Reserved
1
1
1
Reserved.
2. The method according to claim 1 , wherein the at least one secondary carrier comprises at least one secondary uplink carrier or at least one secondary downlink carrier.
3. The method according to claim 1 , wherein in the received HS-SCCH order, x ord,2 corresponds to a secondary uplink carrier and indicates activation or deactivation of the secondary uplink carrier, x ord,3 corresponds to a secondary downlink carrier and indicates activation or deactivation of the secondary downlink carrier.
4. A user equipment, comprising:
a receiver, configured to receive a High Speed Shared Control Channel (HS-SCCH) order transmitted by a base station, wherein the HS-SCCH order comprises three order bits for indicating activation or deactivation of a secondary uplink carrier and a secondary downlink carrier, the three order bits are x ord,1 , x ord,2 , and x ord,3 , x ord,1 is 0 or 1;
a processor, configured to determine x ord,1 =0 no matter whether the value of x ord,1 in the received HS-SCCH order is 1 or 0, and to update an activation or deactivation state of the at least one secondary carrier according to the determined x ord,1 , and the value of x ord,2 , and x ord,3 ;
wherein the processor is configured to update the activation or deactivation state of the at least one secondary carrier according to the three bits x ord,1 , x ord,2 , and x ord,3 in the following table when an order type x odt,1 , x odt,2 , x odt,3 in the table is 001,
Functionality
Order
A = Activate; D = Deactivate
Type
1st
2nd
3rd
Second-
X odt, 1 ,
secondary
secondary
secondary
ary
X odt, 2 ,
Order Mapping
downlink
downlink
downlink
uplink
X odt, 3
X ord, 1
X ord, 2
X ord, 3
carrier
carrier
carrier
carrier
001
0
0
0
D
D
D
D
0
0
1
A
D
D
D
0
1
1
A
D
D
A
0
1
0
D
A
D
D
1
0
0
A
A
D
D
1
0
1
A
A
D
A
1
1
0
D
D
A
D
1
1
1
A
D
A
D
010
0
0
0
A
D
A
A
0
0
1
D
A
A
D
0
1
0
A
A
A
D
0
1
1
A
A
A
A
1
0
0
Reserved
1
0
1
Reserved
1
1
0
Reserved
1
1
1
Reserved.
5. The user equipment according to claim 4 , wherein the at least one secondary carrier comprises at least one secondary uplink carrier or at least one secondary downlink carrier.
6. The user equipment according to claim 4 , wherein in the received HS-SCCH order, x ord,2 corresponds to a secondary uplink carrier and indicates activation or deactivation of the secondary uplink carrier, x ord,3 corresponds to a secondary downlink carrier and indicates activation or deactivation of the secondary downlink carrier.
7. A wireless communications system, comprising a base station and a user equipment, wherein the user equipment, comprises:
a receiver, configured to receive a High Speed Shared Control Channel (HS-SCCH) order transmitted by a base station, wherein the HS-SCCH order comprises three order bits for indicating activation or deactivation of a secondary uplink carrier and a secondary downlink carrier, the three order bits are x ord,1 , x ord,2 , and x ord,3 , x ord,1 is 0 or 1;
a processor, configured to determine x ord,1 =0 no matter whether the value of x ord,1 in the received HS-SCCH order is 1 or 0, and to update an activation or deactivation state of the at least one secondary carrier according to the determined x ord,1 , and the value of x ord,2 , and x ord,3 ;
wherein the processor is configured to update the activation or deactivation state of the at least one secondary carrier according to the three bits x ord,1 , x ord,2 , and x ord,3 in the following table when an order type x odt,1 , x odt,2 , x odt,3 in the table is 001,
Functionality
Order
A = Activate; D = Deactivate
Type
1st
2nd
3rd
Second-
X odt, 1 ,
secondary
secondary
secondary
ary
X odt, 2 ,
Order Mapping
downlink
downlink
downlink
uplink
X odt, 3
X ord, 1
X ord, 2
X ord, 3
carrier
carrier
carrier
carrier
001
0
0
0
D
D
D
D
0
0
1
A
D
D
D
0
1
1
A
D
D
A
0
1
0
D
A
D
D
1
0
0
A
A
D
D
1
0
1
A
A
D
A
1
1
0
D
D
A
D
1
1
1
A
D
A
D
010
0
0
0
A
D
A
A
0
0
1
D
A
A
D
0
1
0
A
A
A
D
0
1
1
A
A
A
A
1
0
0
Reserved
1
0
1
Reserved
1
1
0
Reserved
1
1
1
Reserved.
8. The wireless communications system according to claim 7 , wherein the at least one secondary carrier comprises at least one secondary uplink carrier or at least one secondary downlink carrier.
9. The wireless communications system according to claim 7 , wherein in the received HS-SCCH order, x ord,2 corresponds to a secondary uplink carrier and indicates activation or deactivation of the secondary uplink carrier, x ord,3 corresponds to a secondary downlink carrier and indicates activation or deactivation of the secondary downlink carrier.
10. A non-transitory computer program product comprising computer program code, which, when executed by a computer unit in a user equipment, will cause the user equipment to perform operations comprising:
receiving a High Speed Shared Control Channel (HS-SCCH) order transmitted from a base station, wherein the HS-SCCH order carries indication information, the indication information comprises three bits x ord,1 , x ord,2 , and x ord,3 , wherein x ord,1 is 0 or 1, the indication information is used to indicate activation or deactivation of at least one secondary carrier for communication between the user equipment and the base station;
determining x ord,1 =0 no matter whether the value of x ord,1 in the received HS-SCCH order is 1 or 0,
updating an activation or deactivation state of the at least one secondary carrier according to the determined x ord,1 , and the value of x ord,2 , and x ord,3 ;
wherein the updating the activation or deactivation state of the at least one secondary carrier according to the determined x ord,1 , and the value of x ord,2 and x ord,3 , comprises:
updating, an activation or deactivation state of the at least one secondary carrier according to the three bits x ord,1 , x ord,2 , and x ord,3 in the following table when an order type x odt,1 , x odt,2 , x odt,3 in the table is 001,
Functionality
Order
A = Activate; D = Deactivate
Type
1st
2nd
3rd
Second-
X odt, 1 ,
secondary
secondary
secondary
ary
X odt, 2 ,
Order Mapping
downlink
downlink
downlink
uplink
X odt, 3
X ord, 1
X ord, 2
X ord, 3
carrier
carrier
carrier
carrier
001
0
0
0
D
D
D
D
0
0
1
A
D
D
D
0
1
1
A
D
D
A
0
1
0
D
A
D
D
1
0
0
A
A
D
D
1
0
1
A
A
D
A
1
1
0
D
D
A
D
1
1
1
A
D
A
D
010
0
0
0
A
D
A
A
0
0
1
D
A
A
D
0
1
0
A
A
A
D
0
1
1
A
A
A
A
1
0
0
Reserved
1
0
1
Reserved
1
1
0
Reserved
1
1
1
Reserved.