Apparatus and Method of Generating Quiet Zone by Cancellation-Through-Injection Techniques

Architecture and method of injection-for-cancellation for reception apertures of a radio frequency system to mitigate self-jamming interference due to radio frequency leakages from nearby transmission apertures, dynamically generating quiet zones over the reception apertures, comprising

• a plurality of auxiliary transmission arrays comprising a plurality of input elements, a plurality of output elements, and a plurality of beam forming networks with element weighting functions,
• a plurality of diagnostic probes distributed in a plurality of quiet zones measuring the combined field strength from the interferences due to leakages from said transmission apertures and injected interferences from said auxiliary arrays, and converting the measurement into a plurality of performance indexes or cost functions, and
• an optimization processing unit performing weight updating for elements of said auxiliary transmission arrays based on said performance indexes.

Architecture and method of injection-for-cancellation for reception apertures of a radio frequency system to mitigate interference from external sources, dynamically generating quiet zones over the reception aperture to enable reception functions of the radio frequency system to operate, comprising

• auxiliary transmission arrays comprising a plurality input elements, a plurality of output elements, and a plurality of beam forming networks with element weighting functions,
• a plurality of diagnostic probes distributed in a plurality of quiet zones measuring the combined field strength from external interferences and injected interferences from the auxiliary transmission arrays, and converting the measurement to performance indexes or cost functions, and
• an optimization processing unit performing weight updating for elements of said auxiliary transmission arrays based on performance indexes.

Architectures and methods of generating a quiet zone in a radio frequency system with multiple functions in limited areas for mitigating selected internal signals for other functions by injection-for cancellation the selected internal signals dynamically causing destructive interferences over the quiet zone with limited areas, comprising

• auxiliary transmission arrays comprising a plurality of input elements, a plurality of output elements, and a plurality of beam forming networks with element weighting functions;
• a plurality of diagnostic probes distributed in the quiet zones measuring the combined field strength from selected internal signals and injected interfering signals from said auxiliary transmission arrays, and converting the measurement to performance indexes, and
• an optimization processing unit performing weight updating for elements of said auxiliary transmission arrays based on performance indexes.

Architectures and methods of generating a quiet zone with limited areas for selected incoming signals from external sources by injection-for cancellation the selected incoming signals dynamically causing destructive interferences over the quiet zone with limited areas, comprising

• auxiliary transmission arrays comprising a plurality of input elements, a plurality of output elements, and a plurality of beam forming networks with element weighting functions;
• diagnostic probes distributed in the quiet zones measuring the combined field strength from selected incoming signals from external sources and injected interfering signals from the auxiliary Tx arrays, and converting the measurement to performance indexes, and
• an optimization processing unit performing weight updating for elements of the auxiliary Tx arrays based on performance indexes.