Method and apparatus for receiving a timing advance command in a wireless communication system
First Claim
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1. A method of receiving a timing advance command by a user equipment in a wireless communication system, the method comprising:
- receiving information related to a time alignment group through a radio resource control (RRC) signaling from a base station before receiving the timing advance command;
receiving the timing advance command corresponding to the time alignment group from the base station; and
applying the timing advance command to at least one serving cell belonging to the time alignment group,wherein the timing advance command is received together with a time alignment group identifier after receiving the information related to the time alignment group through the RRC signaling,wherein the time alignment group identifier identifies the time alignment group to which the timing advance command is applied, andwherein the time alignment group identifier is included in a medium access control (MAC) control element (CE).
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Abstract
The present invention provides a method of receiving a timing advance command by a user equipment in a wireless communication system. A terminal receives information on a time advance group from a base station, and also receives the timing advance command corresponding to the time advance group from the base station.
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Citations
13 Claims
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1. A method of receiving a timing advance command by a user equipment in a wireless communication system, the method comprising:
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receiving information related to a time alignment group through a radio resource control (RRC) signaling from a base station before receiving the timing advance command; receiving the timing advance command corresponding to the time alignment group from the base station; and applying the timing advance command to at least one serving cell belonging to the time alignment group, wherein the timing advance command is received together with a time alignment group identifier after receiving the information related to the time alignment group through the RRC signaling, wherein the time alignment group identifier identifies the time alignment group to which the timing advance command is applied, and wherein the time alignment group identifier is included in a medium access control (MAC) control element (CE). - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of transmitting a timing advance command by a base station in a wireless communication system, the method comprising:
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transmitting information related to a time alignment group to a user equipment through a radio resource control (RRC) signaling, the information being transmitted to the user equipment before transmitting the timing advance command; and transmitting the timing advance command corresponding to the time alignment group to the user equipment, the user equipment applying the timing advance command to at least one serving cell belonging to the time alignment group, wherein the timing advance command is transmitted together with a time alignment group identifier after transmitting the information related to the time alignment group through the RRC signaling, wherein the time alignment group identifier identifies the time alignment group to which the timing advance command is applied, and wherein the time alignment group identifier is included in a medium access control (MAC) control element (CE). - View Dependent Claims (9, 10, 11, 12, 13)
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Specification