Quantification of timing uncertainty in a correlation based channel sounder
Untethered radio channel sounders use stable frequency standards to synchronize physically separated transmitters and receivers, allowing for practical propagation measurements in complex environments such as cities, factories, and offices. In this paper, measurements of the timing-uncertainty of an untethered, correlation-based channel sounder are presented. Timing results are characterized using both deterministic predictions of timing-drift, as well as analysis of timing-noise using the modified Allan deviation. The 1-6 GHz, correlation-based channel sounder used in this experiment uses a ...