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- W1996092795 abstract "To solve the problem of spending too many signaling overheads during resource allocation for AMC (Adaptive Modulation Coding) subcarrier allocation mode in WiMAX system, this paper proposed a multiuser diversity based time-frequency two dimensional adaptive resource allocation algorithm. In the algorithm, time-domain scheduler selected users and submitted them to frequency-domain scheduler according to user's QoS requests such as priority, delay and package type etc. Frequency-domain scheduler optimized user's spectrum efficiency and allocated resource to corresponding user according to transmission rate and BER. Then, adaptive transmission module selected appropriate modulation coding scheme and power allocation according to channel quality. Simulation results show that the algorithm not only effectively reduces consumption of signaling overhead, but also greatly enhance the transmission efficiency." @default.
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- W1996092795 date "2009-11-24" @default.
- W1996092795 modified "2023-09-24" @default.
- W1996092795 title "A multiuser diversity based time-frequency two dimensional adaptive resource allocation algorithm for WiMAX" @default.
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- W1996092795 doi "https://doi.org/10.1145/1655925.1655944" @default.
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