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For real time service, not only the data rate, but also the packet delay should be guaranteed. In this paper, by exploiting the queue status information and channel status information, a novel framework of joint spatial-frequency scheduling for real time service in MIMO-OFDMA system is proposed, and some joint spatial-frequency scheduling algorithm is proposed based on modified largest weighted delay...
In MIMO OFDMA system, multiuser diversity gain can be achieved both in spatial and frequency domain by channel aware scheduling. For real time (RT) service, the data rate and the packet delay should be guaranteed. But for none-real time (NRT) service, larger packet delay is acceptable and multiuser diversity gain can be exploited more to improve the system throughput. In this paper, by exploiting...
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