JANUARY 15, 2017 VOLUME 65 NUMBER 2 ITPRED (ISSN 1053-587X) REGULAR PAPERS Autoregressive Moving Average Graph Filtering http://dx.doi.org/10.1109/TSP.2016.2614793 ...... ......... ......... ........ ......... ......... .. .. ........ ......... ......... ........ ......... ......... ........ ......... ......... . E. Isufi, A. Loukas, A. Simonetto, and G. Leus Chernoff Test for Strong-or-Weak Radar Models http://dx.doi.org/10.1109/TSP.2016.2616323 ...... ......... ......... ........ ......... ......... .. .. ........ ......... ......... ........ ......... ......... ........ ......... ......... ..... M. Franceschetti, S. Marano, and V. Matta Massive MIMO Channel Subspace Estimation From Low-Dimensional Projections http://dx.doi.org/10.1109/TSP.2016.2616336 . ......... .. .. ........ ......... ......... ........ ......... ......... ........ ......... ......... ........ ........ S. Haghighatshoar and G. Caire Persistent Homology Lower Bounds on High-Order Network Distances http://dx.doi.org/10.1109/TSP.2016.2620963 ..... ......... ......... .. .. ........ ......... ......... ........ ......... ......... ........ ......... ......... ........ ......... ........ W. Huang and A. Ribeiro www.signalprocessingsociety.org [3] JANUARY 2017 274 289 303 319http://dx.doi.org/10.1109/TSP.2016.2614793 http://dx.doi.org/10.1109/TSP.2016.2616323 http://dx.doi.org/10.1109/TSP.2016.2616336 http://dx.doi.org/10.1109/TSP.2016.2620963 http://www.signalprocessingsociety.org