Method and device for processing HARQ feedback in a mobile communication system
First Claim
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1. A method performed by a terminal in a wireless communication system, the method comprising:
- receiving a message indicating an uplink carrier which is used to transmit feedback information for downlink scheduling information received via a first downlink carrier;
receiving the downlink scheduling information for a second downlink carrier via the first downlink carrier;
receiving data based on the downlink scheduling information via the second downlink carrier; and
transmitting the feedback information for the data via the uplink carrier indicated by the message.
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Abstract
A device and method for handling HARQ feedback in a mobile communication system are disclosed. The HARQ feedback handling method includes: analyzing a control message from a base station to recognize presence of HARQ feedback relationships between downlink carriers and uplink carriers; determining an uplink carrier (a downlink carrier) to support HARQ feedback in response to downlink traffic (uplink traffic) sent through a downlink carrier (an uplink carrier); and sending (receiving) HARQ feedback through the determined uplink carrier (downlink carrier).
28 Citations
20 Claims
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1. A method performed by a terminal in a wireless communication system, the method comprising:
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receiving a message indicating an uplink carrier which is used to transmit feedback information for downlink scheduling information received via a first downlink carrier; receiving the downlink scheduling information for a second downlink carrier via the first downlink carrier; receiving data based on the downlink scheduling information via the second downlink carrier; and transmitting the feedback information for the data via the uplink carrier indicated by the message. - View Dependent Claims (2, 3, 4, 5)
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6. A terminal in a wireless communication system, the terminal comprising:
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a transceiver; and a controller configured to; receive, via the transceiver, a message indicating an uplink carrier which is used to transmit feedback information for downlink scheduling information received on a first downlink carrier, receive, via the transceiver, the downlink scheduling information for a second downlink carrier on the first downlink carrier, receive, via the transceiver, data based on the downlink scheduling information on the second downlink carrier, and transmit, via the transceiver, the feedback information for the data on the uplink carrier indicated by the message. - View Dependent Claims (7, 8, 9, 10)
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11. A method performed by a base station in a wireless communication system, the method comprising:
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transmitting a message indicating an uplink carrier which is used to transmit feedback information for downlink scheduling information received via a first downlink carrier; transmitting the downlink scheduling information for a second downlink carrier via the first downlink carrier; transmitting data based on the downlink scheduling information via the second downlink carrier; and receiving the feedback information for the data via the uplink carrier indicated by the message. - View Dependent Claims (12, 13, 14, 15)
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16. A base station in a wireless communication system, the base station comprising:
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a transceiver; and a controller configured to; transmit, via the transceiver, a message indicating an uplink carrier which is used to transmit feedback information for downlink scheduling information received on a first downlink carrier, transmit, via the transceiver, the downlink scheduling information for a second downlink carrier on the first downlink carrier, transmit, via the transceiver, data based on the downlink scheduling information on the second downlink carrier, and receive, via the transceiver, the feedback information for the data on the uplink carrier indicated by the message. - View Dependent Claims (17, 18, 19, 20)
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Specification