Xueling Lin Jingjie Jiang Bo Li 0001 Baochun Li Circa: Offloading collaboratively in the same vicinity with iBeacons. 3751-3756 2015 ICC https://doi.org/10.1109/ICC.2015.7248908 conf/icc/2015 db/conf/icc/icc2015.html#LinJ0L15