Rosie Bolton 2 nd SKADS Workshop October 2007 SKADS System Design and Costing: Update and next steps Rosie Bolton University of Cambridge Rosie Bolton 2 nd SKADS Workshop October 2007 Outline of Talk Summary of Design and Costing work done so far: SKADS Benchmark Scenario Strengths and weaknesses Next Steps Summary of Design and Costing work done so far: SKADS Benchmark Scenario Strengths and weaknesses Next Steps Rosie Bolton 2 nd SKADS Workshop October MHz MHz SKADS D&C work Memo 93 Comparison of FoV from SKA Memo 69 and SKADS Benchmark Scenario Detailed design and costing of an SKA meeting the full Benchmark Specification GHz Rosie Bolton 2 nd SKADS Workshop October 2007 D&C Methodology Rosie Bolton 2 nd SKADS Workshop October 2007 Overall SKA Configuration Station Core (5Km dia), made up of close packed stations Correlator in or near Core Comms links Not to scale! Desert Station Proces -sing Link to Correlator Mid Freq AA High freq. Dishes with analogue fibre link EoR AA antennas with analogue link (may be close packed) Rosie Bolton 2 nd SKADS Workshop October 2007 We followed the signal path: Rosie Bolton 2 nd SKADS Workshop October 2007 We followed the signal path: Rosie Bolton 2 nd SKADS Workshop October 2007 We followed the signal path: Rosie Bolton 2 nd SKADS Workshop October 2007 We followed the signal path: Rosie Bolton 2 nd SKADS Workshop October 2007 We followed the signal path: Rosie Bolton 2 nd SKADS Workshop October 2007 Cost Breakdown for BS Total SKA cost breakdown Mid Freq AA Antennas 11.3% Mid Freq AA Analogue Data Transport 9.7% Mid Freq AA Signal Processing 15.0% Comms.>480 km 9.6% Comms.