Liang, WeifaLuo, JunXu, Xu (Grace)2015-12-131530-8669http://hdl.handle.net/1885/77763With the advances of more and more mobile sink deployments (e.g., robots and unmanned aerial vehicles), mobile sinks have been demonstrated to play an important role in the prolongation of network lifetime. In this paper, we consider the network lifetimeAuthor/s retain copyrightKeywords: Data gathering; Joint optimization; Network flows; Network lifetime; Shortest path; Sink mobility; Sojourn time; Tree construction; Algorithms; Energy utilization; Forestry; Wireless sensor networks; Constrained optimization; Algorithms; Communication; Da data gathering; distance-constrained shortest path; load-balanced tree construction; multiple-constrained joint optimization; network flow; network lifetime maximization; sink mobility; sojourn time schedule; wireless sensor networks201310.1002/wcm.11792016-02-24