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AssigneesElectronics and Telecommunications Research Institute, Industry Academic Cooperation Foundation Kyunghee University
InventorsSung-Hyun HWANG, Jin Soo WANG, Jae Chul PARK, Yun Hee KIM
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A method and apparatus for adaptively transmitting the same data, i.e., multicast/broadcast data, according to channel quality to a receiving group including one or more terminals that request the same service in a wireless network. A base station obtains feedback on channel quality indications (CQIs) from a plurality of terminals, selects a transmission technique that satisfies desired service quality based on the COIs, and transmits data to the terminals included in a receiving group by using the selected transmission technique. The CQIs to be transmitted from the terminals in the receiving group to the base station are transmitted through a previously allocated common CQI feedback channel. In the present invention, in order to reduce a CQI feedback channel capacity, the base station does not allocate a common CQI feedback channel with respect to each reception terminal and allocates radio resources according to CQI levels. As radio resources are allocated according to CQI levels, a CQI feedback channel capacity may not be increased even when the number of terminals in the receiving group is increased and adaptive transmission may be efficiently performed.
An apparatus for receiving multicast/broadcast data, the apparatus comprising:
An apparatus for transmitting adaptive multicast/broadcast data, the apparatus comprising:
A method of receiving multicast/broadcast data adaptively, the method comprising:
A method of transmitting multicast/broadcast data adaptively, the method comprising:
Dependencies are inferred from the claim text.