The publication of E. Kampianakis, J. Kimionis, K. Tountas, C. Konstantopoulos, E. Koutroulis and A. Bletsas, "Backscatter Sensor Network for Extended Ranges and Low Cost with Frequency Modulators: Application on Wireless Humidity Sensing", IEEE Sensors 2013 Conference, Nov. 2013, Baltimore, USA has been selected as one of the best papers and invited to be submitted to the Special Issue of the IEEE Sensors Journal to appear in September 2014