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The research on detection algorithms for uplink multiuser Massive multi input multi output (MIMO) system is a hot-spot for 5G. The recent detection algorithms are constrained by the assumed condition that the receiving antennas' number should be equal to or larger than the transmitting antennas' number. For the overloaded case that the total number of transmitting antennas of users in a cell is larger...
Location information is the foundation of wireless sensor network applications. However, with the influence of noise and random distribution of nodes, the flip ambiguities probably cannot be avoided. Flip ambiguities may cause great error, which also can propagate to partial or entire network during the process of localization. In this paper, we analyze the principle of flip ambiguities by considering...
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