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diff --git a/presentations/WRC_Javier_Paris_2024_10_02/wrc_paris_2024_10_02.tex b/presentations/WRC_Javier_Paris_2024_10_02/wrc_paris_2024_10_02.tex
index fce1524476c5d40af925e79cf865eb8f22881e59..5dd3a1f12dbd94ac63ebda7d3e68a942aeea13a1 100644
--- a/presentations/WRC_Javier_Paris_2024_10_02/wrc_paris_2024_10_02.tex
+++ b/presentations/WRC_Javier_Paris_2024_10_02/wrc_paris_2024_10_02.tex
@@ -102,97 +102,39 @@
\tableofcontents
\end{frame}
-
-\section[Why]{The need for synchronisation}
+\section[Intro to CERN]{Introduction to CERN}
\subsection{}
-%=======================
-\begin{frame}{Why we need good synchronisation at CERN}
- \begin{center}
- \includegraphics[width=\textwidth]{misc/synchrotron.jpg}
- \end{center}
+\begin{frame}{Accelerators}
+ \begin{center}
+ \includegraphics[height=0.85\textheight]{misc/accelerator_map.jpg}
+ \end{center}
\end{frame}
-\begin{frame}{Large High Altitude Air Shower Observatory (LHAASO)}
- \begin{center}
- \includegraphics[height=0.7\textheight]{applications/lhaaso.pdf}
- \end{center}
+\begin{frame}{Detectors}
+ \begin{center}
+ \includegraphics[height=0.85\textheight]{misc/atlas.jpeg}
+ \end{center}
\end{frame}
+\begin{frame}{Dissemination}
+ \begin{center}
+ \includegraphics[height=0.8\textheight]{misc/cern_council.jpg}
+ \end{center}
+\end{frame}
-\begin{frame}{Cherenkov Telescope Array (CTA)}
- \begin{center}
- \includegraphics[height=0.8\textheight]{applications/cta.pdf}
- \end{center}
+\begin{frame}{How to interpret one's dissemination mandate in the 21\textsuperscript{st}
+ century}
+ \begin{center}
+ \includegraphics[height=0.8\textheight]{misc/cern_and_openness.jpg}
+ \end{center}
\end{frame}
-\begin{frame}{Cubic Kilometre Neutrino Telescope (KM3NeT)}
- \begin{center}
- \includegraphics[height=0.8\textheight]{applications/KM3NeT.pdf}
- \end{center}
-\end{frame}
-
-\begin{frame}{And of course also outside Physics}
- \begin{block}{Some examples}
- \begin{itemize}
-
- \item Electric power distribution
- \item Finance (time-stamping of transactions)
- \begin{itemize}
- \item to comply with the law (MiFID II)
- \item as a service to customers of e.g. a stock exchange
- \end{itemize}
- \item Telecom
- \end{itemize}
- \end{block}
-\end{frame}
-
-\section[How]{A quick primer on synchronisation solutions}
+\section{White Rabbit}
\subsection{}
-\begin{frame}{Global Navigation Satellite Systems (GNSS)}
- \begin{center}
- \includegraphics[height=0.8\textheight]{misc/GPS_Satellite_NASA_art-iif.jpg}
- \end{center}
-\end{frame}
-
-\begin{frame}{GNSS jamming and spoofing}
- \begin{center}
- \includegraphics[height=0.8\textheight]{misc/gps_spoofing.png}
- \end{center}
- \tiny Courtesy J.M. Friedt
-\end{frame}
-\begin{frame}{Precision Time Protocol (IEEE 1588)}
-\begin{columns}[c]
- \column{.4\textwidth}
- \begin{center}
- \includegraphics<1>[height=5cm]{protocol/ptp_exchange-enhanced.jpg}
- \includegraphics<2->[height=4cm]{protocol/ptpNetwork.jpg}
- \end{center}
- \column{.75\textwidth}
- \begin{itemize}
- \item Frame-based synchronisation protocol
- \item Simple calculations:
- \begin{itemize}
- \item link delay: $\delta_{ms} = \frac{(t_{4}-t_{1}) - (t_{3}-t_{2})}{2}$
- \item offset from master: $OFM = t_{2} - (t_{1} + \delta_{ms})$
- \end{itemize}
- \item<2-> Hierarchical network
- \item<3-> Shortcomings of traditional PTP:
- \begin{itemize}
- \item devices have free-running oscillators
- \item frequency drift compensation traffic can compromise determinism of
- other messages
- \item assumes symmetry of medium
- \item resolution of timestamps
- \end{itemize}
- \end{itemize}
-\end{columns}
-\end{frame}
-\section{White Rabbit}
-\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{What is White Rabbit?}
@@ -224,7 +166,7 @@
% \item Number of nodes: $\leq$2000
% \end{itemize}
- \item \textbf{Open Source and commercially available}
+ \item \textbf{Open source and commercially available}
% \item<9-> Many users worldwide, inc. metrology labs...
\end{itemize}
@@ -275,80 +217,6 @@
\end{block}
\end{frame}
-\begin{frame}{Layer 1 Syntonisation}
- %\begin{block}{Common clock for the entire network}
- \begin{itemize}\small
- \item Clock is encoded in the Ethernet carrier and recovered by the receiver chip
- \item All network devices use the same physical layer clock
- \item Clock loopback allows phase detection to enhance precision of timestamps
-% \item Phase detection allows sub-ns delay measurement
- \end{itemize}
-%\end{block}
-\vspace{-0.2cm}
- \begin{center}
- \includegraphics<1>[height=5cm]{misc/synce_v3.pdf}
-% \includegraphics[height=4.5cm]<2>{p1588/1588-ha-L1vsPTP-simplified.jpg}
- \end{center}
-\end{frame}
-
-\begin{frame}{Digital Dual Mixer Time Difference (DDMTD)}
-
- \begin{itemize}
- \item Precise phase measurements in FPGA
- \item WR parameters:
- \begin{itemize}\scriptsize
- \item $clk_{in}~~~~~~~~=62.5$~MHz
- \item $clk_{DDMTD}=62.496185$~MHz (N=14)
- \item $clk_{out}~~~~~~=~~3.814$~kHz
- \end{itemize}
- \item Theoretical resolution of 0.977~ps
- \end{itemize}
- \vspace{-0.2cm}
- \begin{center}
- \includegraphics[width=\textwidth]{misc/ddmtd_3.jpg}
- \end{center}
-
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% \begin{frame}{SoftPLL}
-% \begin{center}
-% \includegraphics[width=.9\textwidth]{protocol/dmpll_diagram-slides.pdf}
-% \end{center}
-% \end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}{Link delay model}
- \begin{columns}
- \column{.65\textwidth}
- \footnotesize
- \begin{itemize}
- \item <1->Correction of Round Trip Time (RTT) for asymmetries
- \item <2->Asymmetry sources: FPGA, PCB, electrical/optical conversion,
- chromatic dispersion
- \item <3->Link delay model:
- \begin{itemize}\scriptsize
- \item \textbf{Fixed delays} -- calibrated/measured
- \item \textbf{Variable delays} -- evaluated online with:\vspace{0.1cm} $\alpha = \frac{\nu_g(\lambda_s)}{\nu_g(\lambda_m)} -1 = \frac{\delta_{ms} - \delta_{sm}}{\delta_{sm}}$
- \end{itemize}
- \item <4-> Accurate offset from master (OFM):\scriptsize \\\vspace{0.2cm}
-% $RTT=(t_{4}-t_{1}) - (t_{3}-t_{2})$\\
- $\delta_{ms}~ = \frac{1 + \alpha}{2 + \alpha} \, (RTT - \sum \Delta - \sum \epsilon)$\vspace{0.2cm}
- $OFM = t_{2} - (t_{1} + \delta_{ms} + \Delta_{txm} + \Delta_{rxs} + \epsilon_S)$
- \end{itemize}
- \column{.5\textwidth}
- \begin{center}
- \includegraphics<1>[width=1.0\textwidth]{protocol/link-delay-model-detailed-1.jpg}
- \includegraphics<2>[width=1.0\textwidth]{protocol/link-delay-model-detailed-2.jpg}
- \includegraphics<3->[width=1.0\textwidth]{protocol/link-delay-model-detailed-3.jpg}\\\pause\pause\pause
- %\tiny See: \textit{WR Calibration} [9]
- \end{center}
- \end{columns}
-% \pause\pause\pause\pause
-% \scriptsize See: \textit{WR Calibration}, version 1.1, G.Daniluk
-\end{frame}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{Community}
\subsection{}
@@ -371,7 +239,7 @@
A technology supported by a friendly community working on a fully open-source
implementation of IEEE 1588-2019 High-Accuracy (HA) profile, with a guaranteed
- sub-nanosecond accuracy.
+ sub-nanosecond accuracy
\end{center}
\end{frame}
@@ -392,9 +260,9 @@
\begin{frame}{The White Rabbit Collaboration in a nutshell}
\begin{block}{Ensuring sustainability}
\begin{itemize}
- \item Members pay a yearly fee and shape the future of the technology.
+ \item Members pay a yearly fee and shape the future of the technology
\item Fees are used to pay the WR Collaboration Bureau, which offers
- support (including training) and ensures WRS and WRPC are always in good health.
+ support (including training) and ensures WRS and WRPC are always in good health
\end{itemize}
\end{block}
\end{frame}
@@ -427,9 +295,11 @@
\begin{frame}{The White Rabbit Collaboration in a nutshell}
\begin{block}{Projects! Some examples:}
\begin{itemize}
- \item Mobile (e.g. TDD on 5G)
- \item Quantum: see e.g. CERN's Quantum Tech Initiative at \href{https://quantum.cern/}{https://quantum.cern/}
- \item Smart grids
+ \item Ongoing:
+ \href{https://www.gmv.com/en/communication/news/gmv-awarded-ps2-million-contract-provide-white-rabbit-switch-suited-protecting}{\color{blue}{collaboration
+ with GMV and IQD}} on hold-over.
+ \item Quantum: see e.g. CERN's Quantum Tech Initiative at \href{https://quantum.cern/}{https://quantum.cern}
+ \item Under discussion: robust, long-distance WR for smart grids
\end{itemize}
\end{block}
\end{frame}
@@ -441,12 +311,27 @@
\item Impact and sustainability
\end{itemize}
\end{block}
+ \begin{block}{Economics}
+ \begin{itemize}
+ \item Companies can add value of top of WR and monetise products based on
+ those developments
+ \item They decide what they contribute as open source and what they keep
+ proprietary
+ \end{itemize}
+ \end{block}
+\end{frame}
+
+\begin{frame}{WRC members in 2024}
+ \begin{center}
+ \includegraphics[width=\textwidth]{wr-collaboration/wrc_members_2024.pdf}
+ \end{center}
\end{frame}
+
\begin{frame}{White Rabbit Collaboration}
\begin{center}
\includegraphics[height=0.5\textheight]{logo/WRC_logo_all_blue_on_white.jpg}
- \\For more details, see\\\href{https://www.white-rabbit.tech/}{https://www.white-rabbit.tech/}
+ \\Join us! For more details, see\\\href{https://www.white-rabbit.tech/}{https://www.white-rabbit.tech}
\end{center}
\end{frame}
@@ -504,30 +389,154 @@
\end{block}
\end{frame}
-\begin{frame}{Possibilities for collaboration}
- \begin{block}{For discussion:}
+\begin{frame}{Possibilities for collaboration: non-exhaustive list}
+ %\begin{block}{Non-exhaustive list:}
\begin{itemize}
+ \item Telecom: support for G.8275.1 PTP profile, higher rate for PTP
+ frames, improvements in BMCA, ESMC support, live reconfiguration\ldots
+ See \href{https://indico.cern.ch/event/1379641/contributions/5863218/}{\color{blue}{presentation}} of Marek Brawański at the 13th WR Workshop.
+ \item Quantum: both QKD and entangled qubits
\item Monitoring and logging of important parameters and events with time stamps
\item Automation of calibration of port delays and fibre asymmetry
\item Robustness: hardware and system-wide (clock ensemble). Redundancy and
- seamless switch-over ($<$1ns jump). See
- \href{https://www.gmv.com/en/communication/news/gmv-awarded-ps2-million-contract-provide-white-rabbit-switch-suited-protecting}{\color{blue}{work
- with GMV and IQD}} on hold-over.
- \item Best practices for long-distance WR
+ seamless switch-over ($<$1ns jump)
+ \item Best practices for long-distance WR, in combination or not with weak
+ signals for quantum networking
\item Testing and qualification laboratory
\item Other?
\end{itemize}
- \end{block}
+ %\end{block}
\end{frame}
\appendix
\backupbegin
-%% \begin{frame}{Backup slides}
-%% \begin{center}
-%% Backup slides
-%% \end{center}
-%% \end{frame}
+\begin{frame}{Backup slides}
+ \begin{center}
+ Backup slides
+ \end{center}
+\end{frame}
+
+\begin{frame}{Precision Time Protocol (IEEE 1588)}
+\begin{columns}[c]
+ \column{.4\textwidth}
+ \begin{center}
+ \includegraphics<1>[height=5cm]{protocol/ptp_exchange-enhanced.jpg}
+ \includegraphics<2->[height=4cm]{protocol/ptpNetwork.jpg}
+ \end{center}
+ \column{.75\textwidth}
+ \begin{itemize}
+ \item Frame-based synchronisation protocol
+ \item Simple calculations:
+ \begin{itemize}
+ \item link delay: $\delta_{ms} = \frac{(t_{4}-t_{1}) - (t_{3}-t_{2})}{2}$
+ \item offset from master: $OFM = t_{2} - (t_{1} + \delta_{ms})$
+ \end{itemize}
+ \item<2-> Hierarchical network
+ \item<3-> Shortcomings of traditional PTP:
+ \begin{itemize}
+ \item devices have free-running oscillators
+ \item frequency drift compensation traffic can compromise determinism of
+ other messages
+ \item assumes symmetry of medium
+ \item resolution of timestamps
+ \end{itemize}
+ \end{itemize}
+\end{columns}
+\end{frame}
+
+\begin{frame}{Layer 1 Syntonisation}
+ %\begin{block}{Common clock for the entire network}
+ \begin{itemize}\small
+ \item Clock is encoded in the Ethernet carrier and recovered by the receiver chip
+ \item All network devices use the same physical layer clock
+ \item Clock loopback allows phase detection to enhance precision of timestamps
+% \item Phase detection allows sub-ns delay measurement
+ \end{itemize}
+%\end{block}
+\vspace{-0.2cm}
+ \begin{center}
+ \includegraphics<1>[height=5cm]{misc/synce_v3.pdf}
+% \includegraphics[height=4.5cm]<2>{p1588/1588-ha-L1vsPTP-simplified.jpg}
+ \end{center}
+\end{frame}
+
+\begin{frame}{Digital Dual Mixer Time Difference (DDMTD)}
+
+ \begin{itemize}
+ \item Precise phase measurements in FPGA
+ \item WR parameters:
+ \begin{itemize}\scriptsize
+ \item $clk_{in}~~~~~~~~=62.5$~MHz
+ \item $clk_{DDMTD}=62.496185$~MHz (N=14)
+ \item $clk_{out}~~~~~~=~~3.814$~kHz
+ \end{itemize}
+ \item Theoretical resolution of 0.977~ps
+ \end{itemize}
+ \vspace{-0.2cm}
+ \begin{center}
+ \includegraphics[width=\textwidth]{misc/ddmtd_3.jpg}
+ \end{center}
+
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \begin{frame}{SoftPLL}
+% \begin{center}
+% \includegraphics[width=.9\textwidth]{protocol/dmpll_diagram-slides.pdf}
+% \end{center}
+% \end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}{Link delay model}
+ \begin{columns}
+ \column{.65\textwidth}
+ \footnotesize
+ \begin{itemize}
+ \item <1->Correction of Round Trip Time (RTT) for asymmetries
+ \item <2->Asymmetry sources: FPGA, PCB, electrical/optical conversion,
+ chromatic dispersion
+ \item <3->Link delay model:
+ \begin{itemize}\scriptsize
+ \item \textbf{Fixed delays} -- calibrated/measured
+ \item \textbf{Variable delays} -- evaluated online with:\vspace{0.1cm} $\alpha = \frac{\nu_g(\lambda_s)}{\nu_g(\lambda_m)} -1 = \frac{\delta_{ms} - \delta_{sm}}{\delta_{sm}}$
+ \end{itemize}
+ \item <4-> Accurate offset from master (OFM):\scriptsize \\\vspace{0.2cm}
+% $RTT=(t_{4}-t_{1}) - (t_{3}-t_{2})$\\
+ $\delta_{ms}~ = \frac{1 + \alpha}{2 + \alpha} \, (RTT - \sum \Delta - \sum \epsilon)$\vspace{0.2cm}
+ $OFM = t_{2} - (t_{1} + \delta_{ms} + \Delta_{txm} + \Delta_{rxs} + \epsilon_S)$
+ \end{itemize}
+ \column{.5\textwidth}
+ \begin{center}
+ \includegraphics<1>[width=1.0\textwidth]{protocol/link-delay-model-detailed-1.jpg}
+ \includegraphics<2>[width=1.0\textwidth]{protocol/link-delay-model-detailed-2.jpg}
+ \includegraphics<3->[width=1.0\textwidth]{protocol/link-delay-model-detailed-3.jpg}\\\pause\pause\pause
+ %\tiny See: \textit{WR Calibration} [9]
+ \end{center}
+ \end{columns}
+% \pause\pause\pause\pause
+% \scriptsize See: \textit{WR Calibration}, version 1.1, G.Daniluk
+\end{frame}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}{WR and open source}
+ \begin{center}
+ \includegraphics[width=\textwidth]{ohwr/commercial_and_open.pdf}
+ \end{center}
+\end{frame}
+
+\begin{frame}{Public-private partnerships}
+ \begin{center}
+ \includegraphics[width=\textwidth]{public_core/lifting_floor_for_everyone.pdf}
+ \end{center}
+\end{frame}
+
+\begin{frame}{Public-private partnerships}
+ \begin{center}
+ \includegraphics[width=\textwidth]{public_core/public_core_time_dimension.pdf}
+ \end{center}
+\end{frame}
\backupend