Apparatus and a method for detecting a communication channel

US9369197B2 · kind B2 · utility

Assignee

• AIRBUS OPERATIONS LIMITED · DE

Inventors

• Sven Knefelkamp · Wedel, DE
• Eric Duraz · Hamburg, DE

Key dates

• Filing date: Jun 18, 2008
• Grant date: Jun 14, 2016
• Expiry date: Jul 21, 2030

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04B7/18508
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

The present invention provides a method and an apparatus for detecting a communication channel in whose frequency band radio signals are transmitted by different radio signal sources inside a cabin. In this case a wide band antenna receives the radio signals transmitted inside the cabin. Different demodulators are provided, each of which demodulate the radio signals received by the wide band antenna within an associated frequency range of the demodulator. A configuration logic establishes whether, in a frequency band within a demodulated frequency range, radio signals are being transmitted simultaneously by different radio signal sources. In the case of impermissible signal transmissions of a radio signal source, e.g. when a non-safety-relevant system transmits signals in the same frequency band of a safety-relevant system in the same frequency bands of a safety-relevant system, the non-safety-relevant system is reconfigured by the configuration logic and an alarm or warning signal is generated as an indication of the impermissible condition.