From 3d8514f1ff2928177b5bbde66b703f9fcdea8975 Mon Sep 17 00:00:00 2001 From: Eric Kooistra <kooistra@astron.nl> Date: Thu, 6 Feb 2020 11:27:01 +0100 Subject: [PATCH] List of L2 Station requirements that apply also to SDP, similar to tables in Station ADD. --- .../lofar2/doc/prestudy/station2_sdp_srs.txt | 141 ++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100755 applications/lofar2/doc/prestudy/station2_sdp_srs.txt diff --git a/applications/lofar2/doc/prestudy/station2_sdp_srs.txt b/applications/lofar2/doc/prestudy/station2_sdp_srs.txt new file mode 100755 index 0000000000..773445b4e0 --- /dev/null +++ b/applications/lofar2/doc/prestudy/station2_sdp_srs.txt @@ -0,0 +1,141 @@ +LRU --> UniBoard2 +LOFAR2-4384 Hot replaceable LRUs +LOFAR2-4196 Unique LRU ID number +LOFAR2-4004 LRU physical label (Loaction, ID number, lifetime) +LOFAR2-2229 Remote readout of ID number +LOFAR2-3677 LRU lifetime >= 10 years +LOFAR2-2232 Production pass/fail test +LOFAR2-6726 Station mean time before failure > TBD years +LOFAR2-2188 Station mean time to repair < 1 hour +LOFAR2-3083 Information for configuration management tool +LOFAR2-2202 CE approval +LOFAR2-2258 Safety after failure +LOFAR2-2166 Fire retardant +LOFAR2-4483 Station manuals for maintainer + +System +. General +LOFAR2-4481 Station documentation of interfaces +LOFAR2-4482 Station documentation of interfaces +LOFAR2-4483 Station manuals for maintainer +LOFAR2-2318 Station Modes +LOFAR2-3187 Simultaneous existance of production modes +LOFAR2-3269 Justification of single-points of failure +LOFAR2-4000 Robustness: No single point of failure +LOFAR2-4001 Graceful degradation +. Monitor HW, FW and interfaces --> Ring, 1GbE, 10GbE, DDR4, PPS, JESD +LOFAR2-3227 x--> 3248 +LOFAR2-3209 Monitoring in Hybernate State +LOFAR2-3080 Monitoring in On State +LOFAR2-3248 Self test to isolate failures down to LRU level +LOFAR2-6727 Failure detection latency < TBD s +LOFAR2-4369 Periodic monitoring interval: 1 s, 10 s or 300 s +LOFAR2-2412 Station internal synchronization --> Timing +LOFAR2-3578 HBA 170 to 230 MHz (nice to have) --> 160M +LOFAR2-3304 Dual polarisation --> Form beamlets, SI mapping +LOFAR2-3677 Life time > 10 years +(LOFAR2-3195 Single central clock for RS and CS) +LOFAR2-3976 Timing accuracy and budgets + +BSP +LOFAR2-2371 Remote readout of software version number +LOFAR2-4386 Remote reinstallation of SW, FW --> BSP +LOFAR2-2179 Remote SW, FW update --> BSP +LOFAR2-3176 Reconfiguration time: < 20 s --> BSP +LOFAR2-3209 Monitoring in Hybernate State + +Ring +LOFAR2-3269 Justification of single-points of failure +LOFAR2-3248 Self test to isolate failures down to LRU level +LOFAR2-4369 Periodic monitoring interval: 1 s, 10 s or 300 s +LOFAR2-2412 Station internal synchronization --> Timing + +ADC and Timestamp +LOFAR2-3129 Timestamp precision < 1 ns relative to TBC reference --> Timing, BSN source +LOFAR2-2412 Station internal synchronization --> Timing, JESD204B, Sample delay buffer +LOFAR2-4303 Beamform synchronized start at pulse from TD --> Timing, PPS +LOFAR2-3220 Examine data at each processing step --> DB +LOFAR2-3248 Station self-test --> WG, BSN scheduler +LOFAR2-3225 Monitoring data quality --> JESD status, AST, DB + +Subband Filterbank +LOFAR2-3206 RFI mitigation, minimize affect on (a)periodic celestial signals --> PFB +LOFAR2-3578 HBA 170 to 230 MHz (nice to have) --> 160M +LOFAR2-3203 LOFAR1 - LOFAR2.0 operation together --> PFB critically sampled +LOFAR2-3305 Beamlet bandwidth 195k, 156k --> PFB +LOFAR2-3099 Subband frequency grid --> PFB +LOFAR2-3148 Subband stopband --> PFB +LOFAR2-4490 Same beamlet spectral filter as in LOFAR1 --> PFB +LOFAR2-2278 Alias free broadband --> PFB oversampled +LOFAR2-3191 Calbration gain error, <= 0.2 % --> Subband weights +LOFAR2-3961 Real time RFI detection --> SST +LOFAR2-3225 Monitoring data quality --> SST +LOFAR2-7519 Stand-alone Mode use LOFAR1 format for statistics --> SST + +Subband Correlator --> XST (one subband per one second for all inputs) +LOFAR2-3626 Subband correlator mode +LOFAR2-4053 Array correlation matrix (ACM) +LOFAR2-4052 ACM Subband bandwidth 195k, 156k +LOFAR2-3961 Real time RFI detection +LOFAR2-4296 Monitoring correlate data quality +LOFAR2-3220 Examine data at each processing step +LOFAR2-7519 Stand-alone Mode use LOFAR1 format for statistics + +Beamformer +LOFAR2-3421 Beamform mode --> Form beamlets +LOFAR2-3098 LBA 488 independent beamlets --> Form beamlets, Subband select +LOFAR2-6996 HBA remote station 488, core station 976 independent beamlets --> Form beamlets, Subband select +LOFAR2-4478 Station maximum beamwidth (single element beam) --> Form beamlets +LOFAR2-3538 Beam tracking accuracy within TBC degrees --> Form beamlets +LOFAR2-4495 Beamform accuracy HPBW --> Form beamlets +LOFAR2-3181 Temporal amplitude gain drift, rate <= 0.8 % radian/minute --> Form beamlets +LOFAR2-2235 Temporal phase drift, rate <= 1 radian/minute --> Form beamlets +LOFAR2-3191 Calbration gain error, <= 0.2 % --> Form beamlets +LOFAR2-6582 Digital beamforming efficiency --> Form beamlets +LOFAR2-3304 Dual polarisation --> Form beamlets +LOFAR2-3960 Real-time RFI suppression in BF mode (nice to have)--> Form beamlets +LOFAR2-3231 Control start/stop of RFI suppression in BF mode (nice to have) --> Form beamlets +LOFAR2-3125 Beam repositioning latency <= 1 s --> Form beamlets +LOFAR2-4303 Beamform synchronised start within TBD s --> Form beamlets +LOFAR2-3961 Real-time RFI detection in BF mode (nice to have) --> BST +LOFAR2-3317 Monitoring beamform data quality --> BST +LOFAR2-7519 Stand-alone Mode use LOFAR1 format for statistics --> BST +LOFAR2-3220 Examine data at each processing step --> Subband select +LOFAR2-3305 Beamlet bandwidth 195k, 156k --> Output beamlets +LOFAR2-3099 Beamlet frequency axis --> Output beamlets +LOFAR2-3123 Flag repositioning of beam --> Output beamlets +LOFAR2-2413 Beamlet output destination --> Output beamlets +LOFAR2-5618 Beamlet output via UDP --> Output beamlets +LOFAR2-6893 Beamlet output rate to CEP < 10 G (TBC) --> Output beamlets +LOFAR2-6894 Beamlet output via UDP/IPv4 --> Output beamlets +LOFAR2-7513 Stand-alone Mode beamlet output to SSU --> Output beamlets +LOFAR2-7515 Stand-alone Mode output destination IP/UDP port --> Output beamlets +LOFAR2-4299 Redirect station beamlet --> Output beamlets +LOFAR2-4301 Start station beamlet output --> Output beamlets +LOFAR2-4300 Stop station beamlet output --> Output beamlets +LOFAR2-3220 Examine data at each processing step --> DB + +Transient buffer +LOFAR2-3420 Transient buffer --> Buffer +LOFAR2-2305 Buffer length >= 2.5 s --> Buffer +LOFAR2-3220 Examine data at each processing step --> Buffer +LOFAR2-3146 Store baseband or subband data --> Select and record +LOFAR2-2295 Trade bandwidth for duration --> Select and record +LOFAR2-4039 Staggered range --> Select and record +LOFAR2-2299 Freeze latency <= 0.1 s --> Buffer +LOFAR2-4509 Unfreeze buffer --> Buffer +LOFAR2-3147 Freeze duration <= 20 min --> Select and readout +LOFAR2-6894 Transient data output rate to CEP < 10 G (TBC) --> Select and readout +LOFAR2-4510 Update destination of stream readout --> Select and readout +LOFAR2-4038 Readout part of buffer --> Select and readout +LOFAR2-4508 Control start stream readout of buffer --> Select and readout +LOFAR2-4507 Control stop stream readout of buffer --> Select and readout +LOFAR2-7512 Stand-alone Mode transient data output to SSU --> Select and readout +LOFAR2-7515 Stand-alone Mode output destination IP/UDP port --> Select and readout + +Transient detection +LOFAR2-3144 Transient detection mode +LOFAR2-2310 Send trigger to TM --> Trigger to SC + +Subband offload +None \ No newline at end of file -- GitLab