Method, base station, and user equipment for activating or deactivating carrier

1. A method for activating or deactivating a carrier, comprising:

receiving, by a user equipment, a High Speed Shared Control Channel (HS-SCCH) order transmitted from a base station, wherein the HS-SCCH order comprises three order bits for indicating activation or deactivation of a secondary downlink carrier and a secondary uplink carrier, the three order bits comprising x ord,1 , x ord,2 , and x ord,3 , wherein x ord,1 is 0 or 1;

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, wherein x ord,1 , x ord,2 , x ord,3 =“000” is determined as deactivation of the secondary uplink carrier and the second downlink carrier, x ord,1 , x ord,2 , x ord,3 =“001” is determined as activation of the secondary downlink carrier and deactivation of the secondary uplink carrier, x ord,1 , x ord,2 , x ord,3 =“011” is determined as activation of the secondary uplink carrier and the second downlink carrier; and

updating, by the user equipment, an activation or deactivation state of the secondary uplink carrier and the secondary downlink carrier according to the determined three bits x ord,1 , x ord,2 , and x ord,3 .

2. The method according to claim 1 , wherein the HS-SCCH order is transmitted from a base station of release 9 protocol of the 3rd generation partnership project (3GPP) and the user equipment is a user equipment of release 10 or release 11 protocol of the 3GPP.

3. The method according to claim 1 , wherein in the received HS-SCCH order, when x ord,2 is 1, activation of the secondary uplink carrier is indicated, when x ord,2 is 0, deactivation of the secondary uplink carrier is indicated; when x ord,3 is 1, activation of the secondary downlink carrier is indicated; when x ord,3 is 0, deactivation of the secondary downlink carrier is indicated.

4. The method according to claim 1 , wherein in the received HS-SCCH order, x ord,2 corresponds to the secondary uplink carrier and indicates activation or deactivation of the secondary uplink carrier, x ord,3 corresponds to the secondary downlink carrier and indicates activation or deactivation of the secondary downlink carrier.

5. A user equipment, comprising:

a receiver, configured to receive a High Speed Shared Control Channel (HS-SCCH) order transmitted from 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 comprising x ord,1 , x ord,2 , and x ord,3 , wherein 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, wherein x ord,1 , x ord,2 , x ord,3 =“000” is determined as deactivation of the secondary uplink carrier and the second downlink carrier, x ord,1 , x ord,2 , x ord,3 =“001” is determined as activation of the secondary downlink carrier and deactivation of the secondary uplink carrier, x ord,1 , x ord,2 , x ord,3 =“011” is determined as activation of the secondary uplink carrier and the second downlink carrier; and to update an activation or deactivation state of the secondary uplink carrier and the secondary downlink carrier according to the determined three bits x ord,1 , x ord,2 , and x ord,3 .

6. The user equipment according to claim 5 , wherein the HS-SCCH order is transmitted by a base station of release 9 protocol of the 3rd generation partnership project (3GPP), and the user equipment is a user equipment of release 10 or release 11 protocol of the 3GPP.

7. The user equipment according to claim 5 , wherein in the received HS-SCCH order, when x ord,2 is 1, activation of the secondary uplink carrier is indicated; when x ord,2 is 0, deactivation of the secondary uplink carrier is indicated; when x ord,3 is 1, activation of the secondary downlink carrier is indicated; when x ord,3 is 0, deactivation of the secondary downlink carrier is indicated.

8. The user equipment according to claim 5 , wherein in the received HS-SCCH order, x ord,2 corresponds to the secondary uplink carrier and indicates activation or deactivation of the secondary uplink carrier, x ord,3 corresponds to the secondary downlink carrier and indicates activation or deactivation of the secondary downlink carrier.

9. 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 from the 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 comprising x ord,1 , x ord,2 , and x ord,3 , wherein 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, wherein x ord,1 , x ord,2 , x ord,3 =“000” is determined as deactivation of the secondary uplink carrier and the second downlink carrier, x ord,1 , x ord,2 , x ord,3 =“001” is determined as activation of the secondary downlink carrier and deactivation of the secondary uplink carrier, x ord,1 , x ord,2 , x ord,3 =“011” is determined as activation of the secondary uplink carrier and the second downlink carrier; and to update an activation or deactivation state of the secondary uplink carrier and the secondary downlink carrier according to the determined three bits x ord,1 , x ord,2 , and x ord,3 .

10. The wireless communications system according to claim 9 , wherein the base station is a base station of release 9 protocol of the 3rd generation partnership project (3GPP), and the user equipment is a user equipment of release 10 or release 11 protocol of the 3GPP.