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Directional Antenna Diversity for Mobile Devices: Characterizations and Solutions
We report a first-of-its-kind realization of directional transmission for smartphone-like mobile devices using multiple passive directional antennas, supported by only one RF chain. The key is a multi-antenna system (MiDAS) ...
Design and Implementation of I/O Servers Using the Device File Boundary
Due to historical reasons, today's computer systems treat I/O devices as second-class citizens, supporting them with ad hoc and poorly-developed system software. As I/O devices are getting more diverse and are taking a ...