FPGA Based UWB MISO Time-Reversal System Design and Implementation
In this paper, a testbed design and implementation of Ultra-WideBand (UWB) Multiple-Input Single-Output (MISO) time-reversal system are presented. The implementation is based on Field Programmable Gate Array (FPGA). The combination of MISO with UWB time-reversal is promising for enhancing the data rate and reliability in harsh wireless environments. When multiple transmitter antennas are considered with UWB time-reversal, the coherency between multiple antennas becomes critical. With a practical system, the coherency is impaired due to imperfect hardware. An effective baseband compensation technique is proposed and tested.