| 摘要 |
A method and apparatus for communication is disclosed. Information is received on a downlink channel in a time interval. On a condition that an explicit allocation of a first uplink channel is received, feedback information regarding the received information is transmitted on the first uplink channel, wherein the feedback information is transmitted with user data on the first uplink channel. On a condition that an explicit allocation of the first uplink channel is not received, feedback information regarding the received information is transmitted in a time interval on a second uplink channel, wherein an explicit allocation of the second uplink channel is not received, wherein the time interval on the second uplink channel is a pre-determined time period away from the time interval on the downlink channel.
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