System and method for analysing, differentiating and transmitting flight data recorder data and flight telemetry data using minimum bandwidth over satellite or mobile broadband networks.

摘要

System and method for analysing, differentiating and transmitting flight data recorder data and flight telemetry data using minimum bandwidth over satellite or mobile broadband networks. ESSTRACI< TM RODUCT NAME: A-TACS (Aviation, Telemetry and Communications System) ROJECT No/TYPE: Signal Transmission Flow /ERSION: V1-2015-9 )ATED: 19 JULY 2016 PATENT TYPE: STANDARD )ESIGN BY: T.STEPHENS PATENT DETAILS: ESST2015-9-PAT AIRCRAFT Sub-frame COMPLETE SUB-FRAME Data SID Storage FLIGHT jo Memory i Compression & Removable DATA [1] Buffer [3] O_ Full Sub-Frame [6] M Indent [4] Sub-frame -- Data Data File Word Bit I Compression & Size Comparator DIFFERENTIATED WORD Partial Sub- Comparator [2] BITS (LABELLED) Frame Indent [5] [21TraInsmisnt 5 Mode Z cn z Module Router> (1) Aircraft data sub-frame received over ARINC 717/747 from aircraft systems (2) Initial power up; (a) Data analysed and compared against previous sub-frame stored in sub-frame memory buffer [3] however memory buffer will be empty (i.e on initial power up) all parameters will be different and complete sub-frame received by word bit comparator [2] will be written into sub-frame memory buffer [3] (b) Complete data sub-frame transmitted from sub-frame memory buffer [3] for data compression and full sub-frame identifier marking [4] (c) Differentiated labelled sub-frame word bits (all word bits on power up) output from sub-frame word bit comparator [2] for data compression and partial sub-frame identifier marking [5] (d) Full compressed sub-frame data [4] output to data file size comparator [7] (e) Partial identified compressed sub-frame data output to data file size comparator [7] (f) Full and partial sub-frame compressed data file sizes compared, smallest file size output to transmission medium [8] or [9] (3) Subsequent sub-frames; (a) Repeated