@conference {740, title = {Nearly-Optimal Compression Matrices for Signal Power Estimation}, booktitle = {IEEE Int. Workshop on Signal Processing Advances in Wireless Communications (SPAWC)}, year = {2014}, address = {Toronto, Canada}, keywords = {cognitive radio, dynacs}, doi = {10.1109/SPAWC.2014.6941849}, author = {Daniel Romero and R. L{\'o}pez-Valcarce} }