Patent ID: 11930053
Assignee: CUBIC CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A radio over Internet Protocol (RoIP) gateway for communicatively coupling one or more radio networks and one or more digital networks together, the RoIP gateway comprising:
a transceiver to accept incoming signals from a radio network;
a processing unit coupled with the transceiver to process the incoming signals, the processing unit comprising:

a signal converter for converting the incoming signals from the radio network into digital signals,
a signal detector to process the digital signals to filter away radio network inactivity,
a buffer unit for storing the digital signals,
a chirp detector to determine whether the digital signals in the buffer unit include chirp noise, and
a chirp filter coupled to the buffer unit to filter chirp noise from the digital signals; and

a communication interface for passing the digital signals that are free of chirp noise to a digital network, wherein the chirp filter avoids clipping digital signals that are free of chirp noise to preserve audio signal integrity.