Miaomiao Dong

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—In this paper, a joint power and subchannel allocation strategy is investigated for relay-aided multi-cell OFDMA networks. The problem is formulated for maximizing the network throughput with minimal bandwidth cost under the users' minimum rate constraints. The method of Benders' Decomposition is employed to decompose the complicated problem into two(More)
This study aims to explore the effects of exercise on postmenopausal osteoporosis and the mechanisms by which exercise affects bone remodeling. Sixty-three Wistar female rats were randomly divided into five groups: (1) control group, (2) sham-operated group, (3) OVX (Ovariectomy) group, (4) DES-OVX (Diethylstilbestrol-OVX) group, and (5) Ex-OVX(More)
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