CrowdLoc: Cellular Fingerprinting for Crowds by Crowds. - Ravi Bhandari; Bhaskaran Raman; K. K. Ramakrishnan; Deepthi Chander; Naveen Aggarwal; Divya Bansal; Mahima Choudhary; Nisha Moond; Aneesh Bansal; Megha Chaudhary (ACM Trans. Sens. Networks, 2018)