TY - JOUR T1 - FPGA-Based Architecture for Managing Ultrasonic Beacons in a Local Positioning System JF - IEEE Transactions on Instrumentation and Measurement, Y1 - 2017 A1 - Álvaro Hernández A1 - E.Garcia A1 - D.Gualda A1 - José Manuel Villadangos A1 - F. Nomblea A1 - Ureña, J. PB - IEEE CY - EEUU VL - 66 ER -