Method and apparatus for transmitting/receiving data using plurality of carriers in mobile communication system
First Claim
1. A method by a terminal in a wireless communication system, comprising:
- receiving, from a first base station with which a first cell group is associated, a control message for configuring a second cell group associated with a second base station, wherein the control message includes first information on a bearer type;
identifying whether the bearer type is a first bearer type, wherein a bearer is associated with both the first base station and the second base station in the first bearer type;
if the bearer type is the first bearer type, obtaining second information in the control message, wherein the second information indicates whether uplink transmission is performed via the second cell group associated with the second base station for the first bearer type;
if the second information indicates that the uplink transmission is performed via the second cell group associated with the second base station for the first bearer type, transmitting uplink data via the second cell group associated with the second base station, andtransmitting uplink data via the second cell group associated with the second base station if the bearer type is a second bearer type, wherein a bearer is related to the second cell group associated with the second base station in the second bearer type.
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Accused Products
Abstract
A method and an apparatus for transmitting/receiving data using a plurality of carriers in a mobile communication system. The method includes receiving a control message for configuring a second cell group associated with a second base station. The control message includes first information on a bearer type. The method also includes identifying whether the bearer type is a first bearer type. A bearer is associated with both the first base station and the second base station in the first bearer type. The method also includes, if the bearer type is the first bearer type, obtaining second information in the control message. The second information indicates whether uplink transmission is performed via the second cell group for the first bearer type, and if the second information indicates that the uplink transmission is performed via the second cell group for the first bearer type, transmitting uplink data via the second cell group.
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Citations
16 Claims
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1. A method by a terminal in a wireless communication system, comprising:
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receiving, from a first base station with which a first cell group is associated, a control message for configuring a second cell group associated with a second base station, wherein the control message includes first information on a bearer type; identifying whether the bearer type is a first bearer type, wherein a bearer is associated with both the first base station and the second base station in the first bearer type; if the bearer type is the first bearer type, obtaining second information in the control message, wherein the second information indicates whether uplink transmission is performed via the second cell group associated with the second base station for the first bearer type; if the second information indicates that the uplink transmission is performed via the second cell group associated with the second base station for the first bearer type, transmitting uplink data via the second cell group associated with the second base station, and transmitting uplink data via the second cell group associated with the second base station if the bearer type is a second bearer type, wherein a bearer is related to the second cell group associated with the second base station in the second bearer type. - View Dependent Claims (2, 3)
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4. A method by a first base station with which a first cell group is associated in a wireless communication system, comprising:
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determining, with a second base station, to configure a second cell group associated with the second base station; and transmitting, to a terminal, a control message for configuring the second cell group associated with the second base station, wherein the control message includes first information on a bearer type, wherein if the bearer type is a first bearer type, the control message further includes second information indicating whether uplink transmission is performed via the second cell group associated with the second base station for the first bearer type, a bearer being associated with both the first base station and the second base station in the first bearer type, and wherein transmission and reception of data via the first cell group associated with the first base station is omitted if the bearer type is a second bearer type, wherein a bearer is related to the second cell group associated with the second base station in the second bearer type. - View Dependent Claims (5, 6)
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7. A method by a second base station with which a second cell group is associated in a wireless communication system, comprising:
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determining, with a first base station, to configure the second cell group; and receiving uplink data from a terminal via the second cell group, wherein a control message, which is transmitted from the first base station associated with a first cell group to the terminal, for configuring the second cell group includes first information on a bearer type, wherein, if the bearer type is a first bearer type, the control message further includes second information indicating whether uplink transmission is performed via the second cell group associated with the second base station for the first bearer type, a bearer being associated with both the first base station and the second base station in the first bearer type, wherein, if the second information indicates that the uplink transmission is performed via the second cell group associated with the second base station for the first bearer type, uplink data is transmitted from the terminal via the second cell group associated with the second base station, wherein uplink data is transmitted from the terminal via the second cell group associated with the second base station if the bearer type is a second bearer type, and wherein a bearer is related to the second cell group associated with the second base station in the second bearer type. - View Dependent Claims (8)
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9. A terminal comprising:
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a transceiver configured to transmit and receive signals with a first base station and a second base station; and a control unit configured to; receive from the first base station with which a first cell group is associated, a control message for configuring a second cell group associated with the second base station, wherein the control message includes first information on a bearer type; identify whether the bearer type is a first bearer type, wherein a bearer is associated with both the first base station and the second base station in the first bearer type; if second information indicates that uplink transmission is performed via the second cell group associated with the second base station for the first bearer type, transmit uplink data via the second cell group associated with the second base station; and transmit uplink data via the second cell group associated with the second base station if the bearer type is a second bearer type, wherein a bearer is related to the second cell group associated with the second base station in the second bearer type. - View Dependent Claims (10, 11)
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12. A first base station with which a first cell group is associated, the first base station comprising:
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a transceiver configured to transmit and receive signals with a terminal and a second base station; and a control unit configured to; determine, with the second base station, whether to configure a second cell group associated with the second base station; and transmit, to the terminal, a control message for configuring the second cell group associated with the second base station, wherein the control message includes first information on a bearer type, wherein if the bearer type is a first bearer type, the control message further includes second information indicating whether uplink transmission is performed via the second cell group associated with the second base station for the first bearer type, a bearer being associated with both the first base station and the second base station in the first bearer type, and wherein transmission and reception of data via the first cell group associated with the first base station is omitted if the bearer type is a second bearer type, wherein a bearer is related to the second cell group associated with the second base station in the second bearer type. - View Dependent Claims (13, 14)
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15. A second base station with which a second cell group is associated, the second base station comprising:
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a transceiver configured to transmit and receive signals with a terminal and a first base station; and a control unit is configured to; determine, with the first base station, whether to configure the second cell group; and receive uplink data from the terminal via the second cell group, wherein a control message, which is transmitted from the first base station associated with a first cell group to the terminal, for configuring the second cell group includes first information on a bearer type, wherein, if the bearer type is a first bearer type, the control message further includes second information indicating whether uplink transmission is performed via the second cell group associated with the second base station for the first bearer type, a bearer being associated with both the second base station and the first base station in the first bearer type, wherein, if the second information indicates that the uplink transmission is performed via the second cell group associated with the second base station for the first bearer type, uplink data is transmitted from the terminal via the second cell group associated with the second base station, wherein uplink data is transmitted from the terminal via the second cell group associated with the second base station if the bearer type is a second bearer type, and wherein a bearer is related to the second cell group in the second bearer type. - View Dependent Claims (16)
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Specification