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In this paper, we study the advantages of multiple antennas at an access point (AP) for random access by smart meters in smart utility network (SUN) in terms of access delay and security. For random access with the capability of multiple signal recovery, we consider compressive random access and show that multiple antennas can help improve the access delay. In addition, we consider updating keys to...
Smart grids (SGs), which can fully detect and monitor electrical parameters and user behaviours, have become a development trend of power networks. With larger scale and access of new energy, SGs become more vulnerable and unstable. Under this circumstance, unexpected line outages may cause more harm in SGs than in traditional power grids. Thus, accurate and fast localization of line outages is one...
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