Reduction Technique of Differential Propagation Delay with Negative Group Delay Function
Fayu Wan, Ningdong Li, Wenceslas Rahajandraibe, Blaise Ravelo
Abstract
This paper deals with an innovative technique of propagation delay reduction. The technique is based on the use of bandpass negative group delay (NGD) function. The principle of the propagation delay reduction is introduced by considering a simple scenario of Tx multi-wireless sensors communicating with a single Rx sensor. With the consideration of bandpass NGD function, it is shown that the differential between the propagation delay can be reduced considerably. The feasibility of the technique is confirmed with group delay diagram by considering microstrip NGD prototype measured S-parameters.
Topics & Concepts
Group delay and phase delayPropagation delayReduction (mathematics)Delay spreadBand-pass filterElectronic engineeringWirelessFunction (biology)Computer scienceTopology (electrical circuits)TelecommunicationsMathematicsEngineeringBandwidth (computing)Electrical engineeringChannel (broadcasting)BiologyEvolutionary biologyGeometryFadingQuantum optics and atomic interactionsAdvanced Photonic Communication SystemsOptical Network Technologies