The Mobile Base Station Strategy for Wireless Networks With Successive Interference Cancellation
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Successive interference cancellation (SIC) and mobile base stations (MBSs) have been separately exploited to effectively collect data in wireless networks. This paper aims to jointly optimize SIC and MBSs movement to minimize MBS's data collection time for given data. First, we design a DPS algorithm for finding some dominating points (good locations for an MBS) in a two-dimensional area. Based on these dominating points, we build a suitable trajectory for MBS's traveling. Then, we divide the whole traveling path into many path parts and then allocate one or several time slots for each path part. In each time slot, we design a farthest-node-allocation (FNA) algorithm for scheduling node transmissions and determining the MBS's moving speed. The simulation results show that the proposed algorithm can significantly reduce the MBS's data collection time than the scheme without using the SIC.