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For a frame thread length of 5 frames, 2 frame threads and full frame rate (30 fps in US) the temporal relationship of the frames is as follows: FP1 FP3 FP5 FP7 FP9 thread. 1 FS FSn FP2 FP4 FP6 FP8 FP10 thread. 2 Assume, that FS is a correctly transmitted frame. (...) Later on, the "odd" Frames of thread 1 depend only on their predecessor; similar for thread two. This scheme can be easily adopted to n threads of length m. In case of a packet loss, it will occur either in thread 1 or in thread 2.
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Puntuación: 284.26 - https://www.itu.int/wftp3/av-a...e/1997-2000/9706_Her/TD-17.DOC
Fuente de datos: un
Selected by the most demanding CAAs around the global  We have two part ions operation and training system is a copy of operational system integrated with advanced simulator also used as backup in case of failure of the main system Comparison E-X to TopSky –ATC  New/Enhanced Safety Nets and Monitoring Aids New/Enhanced Safety Nets and Monitoring Aids  NEW Pre-STCA supports earlier detection and conflict resolution New/Enhanced Safety Nets and Monitoring Aids  Enhanced -MSAW warning inhibited when aircraft assigned VSA New/Enhanced Safety Nets and Monitoring Aids  Enhanced -Special Use Airspace and Temporary Special Use Airspace can be dynamically managed New/Enhanced Safety Nets and Monitoring Aids  Enhanced -APMW alerting processing enhanced to reduce false alert New/Enhanced Safety Nets and Monitoring Aids  NEW NTZ -supports ICAO recommendations for SOIR New/Enhanced Safety Nets and Aids New/Enhanced Safety Nets and Monitoring Aids  NEW TCT -multi-hypotheses MTCD New/Enhanced Safety Nets and Monitoring Aids  NEW -DAP data used to alert ATC of non-compliance with clearance based on FMS inputs in cockpit New/Enhanced FDP Functions  NEW –Verbal/ICAO/AIDC/OLDI integrated coordination support New/Enhanced FDP Functions  NEW -BADA (Total Energy model) provides more accurate profile New/Enhanced FDP Functions  NEW –Transfer Management “invisible” to controller across all coordination protocols New/Enhanced FDP Functions  Enhanced FUA supports free-flight New/Enhanced FDP Functions  Enhanced –position information posting now completely automated All NEW HMI  NEW –User Profiles allow complete customization of the controller HMI All NEW HMI  NEW –ASD and Track/List colors and contents customizable to support local procedures All NEW HMI  NEW –smart compaction and label behaviors reduce clutter All NEW HMI  NEW –simpler and user-friendly HMI easier to learn All NEW HMI  NEW –Follows current Human Factors Design Principles NEW: Release 20.2 -Enhancements linked to ASBU thread  ▌ECR-285: Inter-Partition Sectorization  FRTO-B1/4 Dynamic sectorization  ▌ECR-312: Weather Display  AMET-B0/4 Dissemination of meteorological products NEW: Release 20.2 -Enhancements linked to ASBU thread ECR-321: RECAT-1 Support 7 Groups  WAKE-B2/1 Wake turbulence separation minima based on 7 aircraft groups NEW: Release 20.2 -Enhancements linked to ASBU thread ECR-314 -Pre-STCA Alert  SNET-B1/1 Enhanced STCA with aircraft parameters  ▌0.5NM MSAW Resolution  SNET-B0/2 Minimum Safe Altitude Warning (MSAW) NEW: Release 20.2 -Enhancements linked to ASBU thread  ▌ECR-305: Space Based ADS-B  ASUR-B1/1 Reception of aircraft ADS-B signals from space (SB ADS-B) FUTURE: 2021 & beyond - Enhancements linked to ASBU thread  ▌ECR-307: PBCS Reporting  CSEP-B1/3 Performance Based Longitudinal Separation Minima  CSEP-B1/4 Performance Based Lateral Separation Minima FUTURE: 2021 & beyond - Enhancements linked to ASBU thread  ▌ECR-359: PBCS Enhancements  COMS-B1/2 PBCS approved ADS-C (FANS 1/A+) for procedural airspace FUTURE: 2021 & beyond - Enhancements linked to ASBU thread  ▌Spacing Tool  RSEQ-B3/3 Increased utilization of runway capacity by improved real-time runway scheduling  WAKE-B2/4 Wake turbulence separation minima based on leader/follower static pairs-wise FUTURE: 2021 & beyond - Enhancements linked to ASBU thread  ▌Spacing Tool (cont.)  RSEQ-B3/3 Increased utilization of runway capacity by improved real-time runway scheduling  WAKE-B2/4 Wake turbulence separation minima based on leader/follower static pairs-wise  WAKE-B2/7 Time based wake separation minima for arrival based on leader/follower static pair-wise FUTURE: 2021 & beyond - Enhancements linked to ASBU thread ECR-380: FDL Configuration enhancement  HMI enhancement -not in scope of ASBU threads FUTURE: 2021 & beyond - Enhancements linked to ASBU thread  ▌ECR-358 STAR and Approach Enhancements  APTA-B0/1 PBN Approaches (with basic capabilities)  APTA-B1/2 PBN SID and STAR procedures (with advanced capabilities) FUTURE: 2021 & beyond - Enhancements linked to ASBU thread ECR 367 Missed Approach  RSEQ-B0/1 Arrival Management  ▌ECR-365 Label Anti-Overlap  HMI enhancement -not in scope of ASBU threads  ▌ECR-366 Departure Path Monitoring  RSEQ-B0/2 Departure Management  ▌ECR-369: STS/ Extraction  Situational awareness enhancement -not in scope of ASBU threads FUTURE: 2021 & beyond - Enhancements linked to ASBU thread  ▌ECR-371 Runway Mode Update (Phase 2)  WAKE-B2/2 Dependent parallel approaches  WAKE-B2/3 Independent segregated parallel operations FUTURE: 2021 & beyond - Enhancements linked to ASBU thread ECR-372: Area of Interest  FRTO-B0/2 Airspace planning and Flexible Use of Airspace (FUA)  ▌ECR-374: Aerodrome names in DEP and DEST switches  HMI enhancement -not in scope of ASBU threads  ▌ECR-375: Multiple STCA Areas  SNET-B1/1 Enhanced STCA with aircraft parameters  ▌REGCAUSE Display  NOPS-B1/1 Short Term ATFM measures FUTURE: 2021 & beyond - Enhancements linked to ASBU thread Asterix Cat 33 support  ASUR-B0/1 Automatic Dependent Surveillance –Broadcast (ADS- B) FUTURE: 2021 & beyond - Enhancements linked to ASBU thread ECR-389: Separation Probe Enhancement  HMI enhancement -not in scope of ASBU threads Future proofing ANSP investments –Roadmap to Future B1 INSTALLED B1 INSTALLED B2 INSTALLED B2 INSTALLED B1 INSTALLED B1 INSTALLED B1 INSTALLED B3 INSTALLED B2 INSTALLED B2 INSTALLED B2 INSTALLED B2 INSTALLED B1 INSTALLED B0 INSTALLED  TopSky -ATC already meets or exceeds the operational needs expressed for the ASBU thread.  ICAO is yet to conduct exploratory research in this topic.  ICAO is currently conducting exploratory research in this topic and is not yet ready to validate the concept.  Note: when each thread becomes mature it will be added to the Roadmap  B2 INSTALLED  B1 INSTALLED  B0 INSTALLED  B1 INSTALLED  B1 INSTALLED  B2 INSTALLED  B2 INSTALLED  B1 INSTALLED  B1 INSTALLED  B1 INSTALLED  B3 INSTALLED  B2 INSTALLED  B2 INSTALLED  B2 INSTALLED  B1 INSTALLED  B2 INSTALLED acronyms  ASBU :ICAO Aviation System Block Upgrades:  HMI :human machine interface  PBCS :Performance Based Communications and Surveillance  STCA :short conflict alert  MSAW : mamma safe altitude alert  BADA :Base of Aircraft Data  DAP  FMS : Flight management system  MTCD Medium Term Conflict Detection  NTZ : No Transgression Zone  SOIR : SIMULTANEOUS OPERATIONS ONPARALLEL OR NEAR-PARALLEL INSTRUMENT RUNWAYS  SOIA : SIMULTANEOUS OPERATIONS ONPARALLEL OR NEAR-PARALLEL INSTRUMENT approach  APMW : Approach Path Monitor warning  ASTERIX : All Purpose Structured Eurocontrol Surveillance Information Exchange  PRM : Precision Runway Monitor ATM SYSTEM Top sky ATM system Top sky ATM system Top sky ATM system Slide Number 5 Comparison E-X to TopSky –ATC New/Enhanced Safety Nets and Monitoring Aids New/Enhanced Safety Nets and Monitoring Aids New/Enhanced Safety Nets and Monitoring Aids New/Enhanced Safety Nets and Monitoring Aids New/Enhanced Safety Nets and Monitoring Aids New/Enhanced Safety Nets and Aids New/Enhanced Safety Nets and Monitoring Aids New/Enhanced Safety Nets and Monitoring Aids New/Enhanced FDP Functions New/Enhanced FDP Functions New/Enhanced FDP Functions New/Enhanced FDP Functions New/Enhanced FDP Functions All NEW HMI All NEW HMI All NEW HMI All NEW HMI All NEW HMI NEW: Release 20.2 -Enhancements linked to ASBU thread NEW: Release 20.2 -Enhancements linked to ASBU thread NEW: Release 20.2 -Enhancements linked to ASBU thread NEW: Release 20.2 -Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread FUTURE: 2021 & beyond - Enhancements linked to ASBU thread Future proofing ANSP investments –Roadmap to Future Slide Number 41 acronyms Thank you
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Puntuación: 282.84 - https://www.icao.int/MID/Docum.../ATM%20SG7%20-%20PPT%2014G.pdf
Fuente de datos: un
Microsoft PowerPoint - PPT 2 - Introduction-ICAO MID SURVEY rev18Jan AR.pptx MID ASBU Webinar (19 ‐ 20 January 2021)  History  ICAO MID survey outcomes MID ASBU Webinar 2021 2 of 8 History • MSG/7 (1-3 September 2020): The meeting reviewed the initial draft of the revised Strategy and identified the ASBU Threads/Elements that might be classified as priority 1 and agreed also that the MIDANPIRG Sub-Groups should conduct virtual meetings in the 4th quarter of 2020 to review the GANP 6th edition and identify ASBU priority 1 Threads/Elements and associated monitoring elements. • The MID ASBU Webinar was successfully held from 13 to 15 Oct 2020 and reviewed the initial draft of the MID Region Air Navigation Strategy . MID ASBU Webinar 2021 3 of 8 • PBN SG/5 (19 - 20 Oct 2020) reviewed the APTA Thread priority 1 elements, including the applicability areas, indicators, metrics, targets and timelines; • AIM SG/7 (21 - 22 Oct 2020) reviewed the DAIM Thread; • ATM SG/6 (9 – 12 Nov 2020) reviewed the Threads related to ATM in particular FRTO, NOPS, SNET, FICE, GADS, RESQ, ACAS; • ASPIG/2 (24-26 Nov 2020) reviewed SURF and ACDM Threads; • CNS SG/10 (1-3 Dec 2020) reviewed the Threads FICE, GADS, ACAS, COMI, NAVS and ASUR; and • MET SG/9 (7 - 9 Dec 2020) reviewed the AMET Thread. (...) MID ASBU Webinar 2021 6 of 8 ICAO MID survey • ICAO MID developed the Questionnaire on ASBU Threads-Elements developed and circulated a questionnaire (SLAN1/7.1-20/248 on 17 Dec 2020) to acquire States’ inputs regarding the status of implementation and/or plans for each ASBU Thread/Element; • The questionnaire consisted of two parts : – ASBU Threads and Elements (covered 15 Threads, 35 Elements through 55 (14 key questions with several sub questions)) – KPIs (as agreed, covered 4 KPIs (1, 2, 13 & 14) through 6 questions) • The questionnaire has received medium to high response rate. 10 responses have been received from the 15 MID Member States, which makes a 66 % regional response rate. • Until 18 Jan 2021, the following reply received from the States: – ASBU Threads and Elements questioner: 10 states out of 15 (Bahrain, Egypt, Iran, Lebanon, Jordan, Qatar, Saudi Arabia, Sudan, UAE and Yemen) – KPIs: 6 states out of 15 (Iran, Jordan, Qatar, Saudi Arabia, UAE and Yemen) MID ASBU Webinar 2021 7 of 8 55 54 55 41 54 47 55 44 55 45 0 10 20 30 40 50 60 Bahrain Egypt Iran Lebanon Jordan Qatar Saudi Arabia Sudan UAE Yemen REPLY STATUS Issues: • Questioner was developed based on easy and certain reply manner to avoid misinterpretation. • Some States did not answer some question(s) • Some answers are in conflict with other(s) MID ASBU Webinar 2021 8 of 8 MID ASBU Webinar 2021 9 of 8 MID ASBU Webinar 2021 10 of 8
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Puntuación: 278.74 - https://www.icao.int/MID/Docum...tion%20ICAO%20MID%20Survey.pdf
Fuente de datos: un
Stress simulation techniques can reveal inadequate error checking on memory or resource allocation, and can also reveal problems in thread synchronization. Use a multiprocessor computer during program testing On a single-processor computer, certain program defects related to thread synchronization may remain undiscovered forever because not all thread concurrency patterns may actually occur in practice, or they may be widely constrained. In contrast, the use of a multiprocessor computer increases the randomness of thread concurrency patterns and therefore can cause bugs in thread synchronization to manifest themselves so that they can be caught and corrected. (...) An example of this is synchronized access to a variable pair, such that after a thread has changed the first one and before it changes the second one as well, another thread cannot read or change either variable.
Idioma:Inglés
Puntuación: 277.06 - https://www.itu.int/ITU-T/2005...m17/safe-programs/testing.html
Fuente de datos: un
Stress simulation techniques can reveal inadequate error checking on memory or resource allocation, and can also reveal problems in thread synchronization. Use a multiprocessor computer during program testing On a single-processor computer, certain program defects related to thread synchronization may remain undiscovered forever because not all thread concurrency patterns may actually occur in practice, or they may be widely constrained. In contrast, the use of a multiprocessor computer increases the randomness of thread concurrency patterns and therefore can cause bugs in thread synchronization to manifest themselves so that they can be caught and corrected. (...) An example of this is synchronized access to a variable pair, such that after a thread has changed the first one and before it changes the second one as well, another thread cannot read or change either variable.
Idioma:Inglés
Puntuación: 277.06 - https://www.itu.int/ITU-T/2001...m17/safe-programs/testing.html
Fuente de datos: un
If one thread is damaged (i. e. because of a packet belonging to a frame in this thread got lost), the other threads remain intact and can be decoded and displayed. (...) Later on, the ‘odd’ Frames of thread 1 depend only on their predecessor, which is similar for thread two. This scheme can be easily adopted to n threads of length m. If a packet loss occurs it will occur either in thread 1 or in thread 2.
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Puntuación: 276.05 - https://www.itu.int/wftp3/av-a...video-site/9709_Sun/q15b18.doc
Fuente de datos: un
The ' >> ' link displays the latest messages. Chronological and thread order By default, messages are displayed as threads : they are gathered according to their subject . (...) By clicking on the arrows surrounding the word 'Thread', you read messages as a thread (i.e. gathered according to their subject). (...) To come back to the messages index, click on 'Chronological' or 'Thread' according to whether you want to display the index as a chronological history or as a thread.
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Puntuación: 275.87 - https://www.itu.int/ml/lists/help/arc.html
Fuente de datos: un
General Outline An H.323 node announces its support of video redundancy encoding along with a set of parameters during the capability exchange; this primarily includes the number of video threads and the thread length. If a video stream using video redundancy encoding is opened, each individual thread may but need not be carried in a separate logical channel: · All threads may be carried within a single RTP session using a single destination transport address. In this case, only a single logical channel is opened that is used to carry all threads. This approach should be followed, if no distinct QoS can be achieved for different threads. · Single threads or groups of threads may be associated with different RTP sessions which implies the use of different logical channels. (...) A logical channel may contain any number of 1 through 15 threads, however, two logical channels shall not specify to contain the same thread.
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Puntuación: 274.9 - https://www.itu.int/wftp3/av-a...997-2000/9709_Sun/APC-1325.rtf
Fuente de datos: un
If MTI is set to 0, current thread of picture memory is used. If MTI is set to 10, a different thread of picture memory will be used for prediction specified in the following MTN field. (...) If MTI is set to 10, MTN will be the thread to be used for prediction and will be set as the current thread. If MTI is set to 11, MTN will be the thread number to start a new multiple picture memory and any previous contents in that thread will be overwritten.
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Puntuación: 273.24 - https://www.itu.int/wftp3/av-a...video-site/9908_Ber/q15h09.doc
Fuente de datos: un
Microsoft PowerPoint - PPT 3 - Analysis of the States’ replies to the ASBU Questionnaire.pptx MID ASBU Webinar (19 ‐ 20 January 2021) MID ASBU Webinar 2021 2 of 8 Analysis of the States’ replies to the ASBU Questionnaire (Part 1) (15 priority 1 threads and 35 elements) Information threads: AMET, DAIM, Operational threads: APTA, FRTO, SNET, GADS, NOPS, FICE, ACDM, SURF, RSEQ Technical threads: ASUR, NAV, COMI, FICE MID ASBU Webinar 2021 3 of 8 Information threads • DAIM (B1/1, B1/3 & B1/4) • AMET (B0/1, B0/2, B0/3 & B0/4) MID ASBU Webinar 2021 4 of 8 MID ASBU Webinar 2021 5 of 8 MID ASBU Webinar 2021 6 of 8 Operational threads • APTA (B0/1, B0/2, B0/4, B0/5 & B/0/7) • FRTO (B0/2 & B0/4) • SNET (B0/1, B0/2 & B0/3) • GADS (B1/2) • NOPS (B0/1) • ACDM (B0/1, B0/2 & B1/1) • SURF (B0/1, B0/2 & B0/3) • RSEQ (B0/1) • FICE (B0/1) • ACAS (B1/1) MID ASBU Webinar 2021 7 of 8 MID ASBU Webinar 2021 8 of 8 MID ASBU Webinar 2021 9 of 8 MID ASBU Webinar 2021 10 of 8 MID ASBU Webinar 2021 11 of 8 MID ASBU Webinar 2021 12 of 8 MID ASBU Webinar 2021 13 of 8 MID ASBU Webinar 2021 14 of 8 MID ASBU Webinar 2021 15 of 8 MID ASBU Webinar 2021 16 of 8 Technical threads: • ASUR (B0/1, B0/2 & B0/3) • NAV (B0/3 & B0/4) • COMI (B0/7 & B1/1) MID ASBU Webinar 2021 17 of 8 MID ASBU Webinar 2021 18 of 8 MID ASBU Webinar 2021 19 of 8 MID ASBU Webinar 2021 20 of 8 MID ASBU Webinar 2021 21 of 8
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Puntuación: 272.87 - https://www.icao.int/MID/Docum...the%20ASBU%20Questionnaire.pdf
Fuente de datos: un