Liwei Yan

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—Energy efficiency (EE) maximization in MIMO systems has received much attention in next generation wireless communications. Within recent years, a lot of great works have been proposed to improve EE dramatically by power allocation and/or antenna selection. However, the systems significantly exploiting multiuser diversity were not considered in these(More)
The exact inner 3D microstructure of the human peripheral nerve has been a mystery for decades. Therefore, it has been difficult to solve several problems regarding peripheral nerve injury and repair. We used high-resolution X-ray computed microtomography (microCT) to scan a freeze-dried human acellular nerve allograft (hANA). The microCT images were then(More)
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