Method and apparatus for transmitting and receiving data by using plurality of carriers in mobile communication systems
First Claim
1. A communication method by a base station of a wireless communication system, the method comprising:
- receiving, from a terminal, a first message including first information indicating whether the terminal supports a context continuation for a header compression; and
transmitting, to the terminal, a second message associated with a handover,wherein information on the context for the header compression corresponding to at least one bearer for the handover is continued,if the handover is not associated with a full configuration,if the at least one bearer is mapped on unacknowledged mode, andif the second message includes second information indicating to continue a context for the header compression, andwherein the context for the header compression is a robust header compression (ROHC) context.
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Abstract
The method for transmitting and receiving data at a base station in a wireless communication system according to one embodiment of the present invention includes the steps of receiving a performance report from a terminal, determining whether the addition of a serving cell is necessary, when the addition of the serving cell is necessary, transmitting a request for receiving a cell identifying signal to one or more other base stations on the basis of the received performance report and transmitting a request for transmitting the cell identifying signal to the terminal. According to the embodiment, in a network in which a small cell and a macro cell are overlapped and operated, the terminal can minimize battery consumption and quickly recognize the small cell.
67 Citations
16 Claims
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1. A communication method by a base station of a wireless communication system, the method comprising:
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receiving, from a terminal, a first message including first information indicating whether the terminal supports a context continuation for a header compression; and transmitting, to the terminal, a second message associated with a handover, wherein information on the context for the header compression corresponding to at least one bearer for the handover is continued, if the handover is not associated with a full configuration, if the at least one bearer is mapped on unacknowledged mode, and if the second message includes second information indicating to continue a context for the header compression, and wherein the context for the header compression is a robust header compression (ROHC) context. - View Dependent Claims (2, 3, 4)
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5. A communication method by a terminal in a wireless communication system, the method comprising:
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transmitting, to a base station, a first message including first information indicating whether the terminal supports a context continuation for a header compression; receiving, from the base station, a second message associated with a handover; and continuing information on the context for the header compression corresponding to the at least one bearer, if the handover is not associated with a full configuration, if at least one bearer for the handover is mapped on unacknowledged mode, and if the second message includes second information indicating to continue a context for the header compression, wherein the context for the header compression is a robust header compression (ROHC) context. - View Dependent Claims (6, 7, 8)
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9. A base station in a wireless communication system, the base station comprising:
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a transceiver configured to transmit and receive a signal; and a controller coupled to the transceiver and configured to; receive, from a terminal, a first message including first information indicating whether the terminal supports a context continuation for a header compression, and transmit, to the terminal, a second message associated with a handover, wherein information on the context for the header compression corresponding to at least one bearer for the handover is continued, if the handover is not associated with a full configuration, if the at least one bearer is mapped on unacknowledged mode, and if the second message includes second information indicating to continue a context for the header compression, and wherein the context for the header compression is a robust header compression (ROHC) context. - View Dependent Claims (10, 11, 12)
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13. A terminal communicating data in a wireless communication system, the terminal comprising:
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a transceiver configured to transmit and receive a signal; and a controller coupled to the transceiver and configured to; transmit, to a base station, a first message including first information indicating whether the terminal supports a context continuation for a header compression, receive, from the base station, a second message associated with handover, and continue information on the context for the header compression corresponding to the at least one bearer, if the handover is not associated with a full configuration, if at least one bearer for the handover is mapped on unacknowledged mode, and if the second message includes second information indicating to continue a context for the header compression, wherein the context for the header compression is a robust header compression (ROHC) context. - View Dependent Claims (14, 15, 16)
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Specification