Patent ID: 11442177

Abstract:
A GPS system within a structure. The system comprises a front-end unit (FEU) and a back-end unit (BEU); FEU receives a GPS signal, amplifying it if required and forwarding the signal to the BEU for further processing (and amplification if required) for determining the location. The BEU and FEU cooperate to optimize the received GPS signal before processing, exchanging control and operating parameters information related to receiving and processing the GPS signal. The BEU also supplies power to the FEU. Advantageously, exchange of signals and power between the BEU and FEU occurs over one or more fiber optic channels or conductors. Certain embodiments employ multiplexing and demultiplexing schemes to reduce the number of discrete signal paths between the FEU and BEU. Additionally, the system embodies a control algorithm to ensure adequate GPS signal strength for processing and also shuts the system down upon signal loss or degradation.