Abstract
Embodiments of the present application disclose a method for switching a status of a secondary carrier, a terminal device, and a network device. The method comprises: a terminal device receiving a media access control (MAC) control element (CE) sent by a network device; and the terminal device switching a first secondary carrier of the terminal device from a first state to a second state according to the MAC CE, wherein the first state and the second state are two different states of an activated state, a deactivated state, and a dormant state. The method, the terminal device, and the network device in the embodiments of the present application assist in balancing the utilization rate of secondary carriers and the power consumption of a terminal device.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Technologies
Product
Use Cases
Services
Claim
1. A method for switching a state of a secondary carrier, comprising:', 'receiving, by a terminal device, a Media Access Control (MAC) Control Element (CE) sent', 'by a network device; and', 'switching, by the terminal device according to the MAC CE, a first secondary carrier of the', 'terminal device from a first state to a second state, wherein one of the first state and the second', 'state is a dormant state, and the other is an activated state, or a deactivated state;', 'wherein, wherein when the MAC CE is a first MAC CE, the first MAC CE is used for', 'indicating:', 'switching the first secondary carrier from the activated state or the dormant state to the', 'deactivated state, when a value of a bit corresponding to an index of the first secondary carrier in', 'the first MAC CE is a first value, and', 'switching the first secondary carrier from the deactivated state to the activated state, when', 'the value of the bit corresponding to the index of the first secondary carrier in the first MAC CE', 'is a second value;', 'wherein when the MAC CE is a second MAC CE, the second MAC CE indicates:', 'switching the first secondary carrier from the activated state or the deactivated state to the', 'dormant state when a value of a bit corresponding to an index of the first secondary carrier in the', 'second MAC CE is a first value; and', 'switching the first secondary carrier from the dormant state to the activated state when the', 'value of the bit corresponding to the index of thefirst secondary carrier in the second MAC CE', 'is a second value.
2. The method according to claim 1, wherein the second MAC CE comprises:', 'a R domain bit and C domain bits, wherein the R domain bit is a reserved bit, value of which', 'is 0, and wherein each of the C domain bits corresponds to an index of a secondary carrier.
3. The method according to claim 2, wherein a length of the second MAC CE is 8 bits or
4. The method according to claim 1, wherein a first value in the second MAC CE is1.
5. The method according to claim 1, wherein a first value in the first MAC CE is 0.
6. The method according to any one of claims 1 to 5, wherein a sub-header corresponding', 'to the first MAC CE comprises a first logical channel identifier (LCID), and a sub-header', 'corresponding to the second MAC CE comprises a second LCID, wherein the first LCID is', 'different from the second LCID.
7. The method according to any one of claims 1 to 6, wherein the first state is the activated', 'state, the second state is the dormant state, and the method further comprises:', 'starting or restarting, by the terminal device, a first timer when the first secondary carrier', 'enters the dormant state from the activated state; and', 'switching, by the terminal device, the first secondary carrier from the dormant state to the', 'deactivated state when the first timer expires.
8. A method for switching a state of a secondary carrier, comprising:', 'sending, by a network device, a Media Access Control (MAC) Control Element (CE) to a', 'terminal device, wherein the MAC CE is used for indicating to switch a first secondary carrier of', 'the terminal device from a first state to a second state, one of the first state and the second state', 'is a dormant state, and the other is an activated state or a deactivated state;', 'wherein the MAC CE is a first MAC CE or a second MAC CE, and wherein each of the', 'first and second MAC CEs is configured to control three state changes among the dormant state,', 'the activated state, and the deactivated state;', 'wherein, wherein when the MAC CE is a first MAC CE, the first MAC CE is used for', 'indicating:', 'switching the first secondary carrier from the activated state or the dormant state to the', 'deactivated state, when a value of a bit corresponding to an index of the first secondary carrier in', 'the first MAC CE is a first value, and', 'switching the first secondary carrier from the deactivated state to the activated state, when', 'the value of the bit corresponding to the index of the first secondary carrier in the first MAC CE', 'is a second value;', 'wherein when the MAC CE is a second MAC CE, the second MAC CE indicates: switching the first secondary carrier from the activated state or the deactivated state to the dormant state when a value of a bit corresponding to an index of the first secondary carrier in the second MAC CE is a first value; and switching the first secondary carrier from the dormant state to the activated state when the value of the bit corresponding to the index of thefirst secondary carrier in the second MAC CE is a second value.
9. The method according to claim 8, wherein the second MAC CE comprises:', 'a R domain bit and C domain bits, wherein the R domain bit is a reserved bit, value of which is 0, and wherein each of the C domain bits corresponds to an index of a secondary carrier
10. The method according to claim 9, wherein a length of the second MAC CE is 8 bits or 32 bits
11. The method according to claim 8, wherein a first value in the second MAC CE is1
12. The method according to claim 8, wherein a first value in the first MAC CE is 0
13. The method according to any one of claims 8 to 12, wherein a sub-header corresponding to the first MAC CE comprises a first logical channel identifier, LCID, and a sub-header corresponding to the second MAC CE comprises a second LCID, wherein the first LCID is different from the second LCID
14. A terminal device, comprising:', 'a receiving unit, configured to receive a Media Access Control (MAC) Control Element (CE) sent by a network device; and', 'a switching unit, configured to switch, according to the MAC CE, a first secondary carrier of the terminal device from a first state to a second state, wherein one of the first state and the second state is a dormant state, and the other is an activated state, or a deactivated state;', 'wherein, wherein when the MAC CE is a first MAC CE, the first MAC CE is used for indicating:', 'switching the first secondary carrier from the activated state or the dormant state to the deactivated state, when a value of a bit corresponding to an index of the first secondary carrier in the first MAC CE is afirst value, and switching the first secondary carrier from the deactivated state to the activated state, when the value of the bit corresponding to the index of the first secondary carrier in the first MAC CE is a second value; wherein when the MAC CE is a second MAC CE, the second MAC CE indicates: switching the first secondary carrier from the activated state or the deactivated state to the dormant state when a value of a bit corresponding to an index of the first secondary carrier in the second MAC CE is a first value; and switching the first secondary carrier from the dormant state to the activated state when the value of the bit corresponding to the index of thefirst secondary carrier in the second MAC CE is a second value
15. The method according to claim 14, wherein the second MAC CE comprises:', 'a R domain bit and C domain bits, wherein the R domain bit is a reserved bit, value of which', 'is 0, and wherein each of the C domain bits corresponds to an index of a secondary carrier
16. The method according to claim 15, wherein a length of the second MAC CE is 8 bits or
17. The method according to claim 14, wherein a first value in the second MAC CE is1
18. The method according to claim 14, wherein a first value in the first MAC CE is 0
19. The terminal device according to any one of claims 14 to 18, wherein a sub-header', 'corresponding to the first MAC CE comprises a first logical channel identifier (LCID), and a sub', 'header corresponding to the second MAC CE comprises a second LCID, wherein the first LCID', 'is different from the second LCID.
20. A network device, comprising:', 'a sending unit, configured to send a Media Access Control (MAC) Control Element (CE)', 'to a terminal device, wherein the MAC CE is used for indicating to switch a first secondary carrier', 'of the terminal device from a first state to a second state, one of the first state and the second state', 'is a dormant state, and the other is an activated state or a deactivated state;', 'wherein the MAC CE is a first MAC CE or a second MAC CE, and wherein each of the', 'first and second MAC CEs is configured to control three state changes among the dormant state, the activated state, and the deactivated state; wherein, wherein when the MAC CE is a first MAC CE, the first MAC CE is used for indicating: switching the first secondary carrier from the activated state or the dormant state to the deactivated state, when a value of a bit corresponding to an index of the first secondary carrier in the first MAC CE is afirst value, and switching the first secondary carrier from the deactivated state to the activated state, when the value of the bit corresponding to the index of the first secondary carrier in the first MAC CE is a second value; wherein when the MAC CE is a second MAC CE, the second MAC CE indicates: switching the first secondary carrier from the activated state or the deactivated state to the dormant state when a value of a bit corresponding to an index of the first secondary carrier in the second MAC CE is a first value; and switching the first secondary carrier from the dormant state to the activated state when the value of the bit corresponding to the index of thefirst secondary carrier in the second MAC CE is a second value.', 'FIG. 1', 'FIG. 2', 'FIG. 3', 'FIG. 4', 'FIG. 5', 'FIG. 6', 'FIG. 7', 'FIG. 8', 'FIG. 9', 'FIG. 10', 'FIG. 11', 'FIG. 12', 'FIG. 13', 'FIG. 14', 'FIG. 15', 'FIG. 16']
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