Uplink synchronization processing method, user equipment, and base station
First Claim
1. An uplink synchronization processing method, comprising:
- when working on a currently used component carrier (CC), receiving CC group information sent by a base station, wherein the CC group information is used to instruct CCs in a same CC group which can use a same time advanced (TA) value;
receiving an uplink synchronization indication message sent by the base station, wherein the uplink synchronization indication message carries identification information of one or multiple newly configured component carriers CCs;
sending synchronization signaling to the base station when knowing that uplink synchronization needs to be executed on all or a part of the one or multiple newly configured CCs corresponding to the identification information; and
receiving a TA adjusting message sent by the base station according to the synchronization signaling, and applying a TA value carried in the TA adjusting message to a CC on which the uplink synchronization needs to be executed.
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Abstract
An uplink synchronization processing method, a user equipment (UE), and a base station are provided. The method includes: receiving a component carrier (CC) uplink synchronization indication message sent by a base station, where the uplink synchronization indication message carries identification information of one or multiple newly configured CCs; sending synchronization signaling to the base station when knowing that the uplink synchronization needs to be executed on all or a part of the one or multiple newly configured CCs corresponding to the identification information; and receiving a time advanced (TA) adjusting message that is sent by the base station according to the synchronization signaling, and applying a TA value carried in the TA adjusting message to the CC on which the uplink synchronization needs to be executed.
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Citations
20 Claims
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1. An uplink synchronization processing method, comprising:
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when working on a currently used component carrier (CC), receiving CC group information sent by a base station, wherein the CC group information is used to instruct CCs in a same CC group which can use a same time advanced (TA) value; receiving an uplink synchronization indication message sent by the base station, wherein the uplink synchronization indication message carries identification information of one or multiple newly configured component carriers CCs; sending synchronization signaling to the base station when knowing that uplink synchronization needs to be executed on all or a part of the one or multiple newly configured CCs corresponding to the identification information; and receiving a TA adjusting message sent by the base station according to the synchronization signaling, and applying a TA value carried in the TA adjusting message to a CC on which the uplink synchronization needs to be executed. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An uplink synchronization processing method, comprising:
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sending component carrier (CC) group information to a user equipment (UE) which is working on a currently used CC, wherein the CC group information is used to instruct CCs in a same CC group which can use a same time advanced (TA) value; sending an uplink synchronization indication message to the UE, wherein the uplink synchronization indication message carries identification information of one or multiple newly configured component carriers CCs; receiving synchronization signaling sent by the UE; sending a TA adjusting message to the UE according to the synchronization signaling, to instruct the UE to apply a TA value carried in the TA adjusting message to a CC on which the uplink synchronization needs to be executed. - View Dependent Claims (8, 9, 10)
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11. A user equipment (UE), comprising:
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a receiver, configured to receive component carrier (CC) group information and an uplink synchronization indication message sent by a base station when the UE is working on a currently used CC, wherein the CC group information is used to instruct CCs in a same CC group which can use a same time advanced (TA) value, and the uplink synchronization indication message carries identification information of one or multiple newly configured component carriers CCs; a transmitter, configured to send synchronization signaling to the base station when knowing that uplink synchronization needs to be executed on all or a part of the one or multiple newly configured CCs corresponding to the identification information; and a processor, configured to apply a TA value carried in a TA adjusting message to a CC on which the uplink synchronization needs to be executed, after the receiver receives the TA adjusting message sent by the base station according to the synchronization signaling. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A base station, comprising:
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a transmitter, configured to send component carrier (CC) group information and an uplink synchronization indication message to a user equipment (UE) which is working on a currently used CC, wherein the CC group information is used to instruct CCs in a same CC group which can use a same time advanced (TA) value, and the uplink synchronization indication message carries identification information of one or multiple newly configured component carriers CCs; a receiver, configured to receive synchronization signaling sent by the UE; and wherein the transmitter is further configured to send a TA adjusting message to the UE according to the synchronization signaling, to instruct the UE to apply a TA value carried in the TA adjusting message to a CC on which the uplink synchronization needs to be executed. - View Dependent Claims (18, 19, 20)
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Specification