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ifcs2018_poster.tex
| ... | ... | @@ -40,78 +40,93 @@ |
| 40 | 40 | \\}} |
| 41 | 41 | \end{center} |
| 42 | 42 | |
| 43 | -\vspace{-0.7cm} | |
| 43 | +\vspace{-0.35cm} | |
| 44 | 44 | % Authors |
| 45 | 45 | \begin{center} |
| 46 | 46 | \addalignedblock{0.18\textwidth}{flushleft}{% |
| 47 | 47 | \includegraphics[height=1.6cm]{images/logo_ubfc} |
| 48 | 48 | } |
| 49 | 49 | \addalignedblock{0.28\textwidth}{center}{% |
| 50 | -G. \textsc{Goavec-M\'erou},\\ | |
| 51 | -P.-Y. \textsc{Bourgeois}, J.-M \textsc{Friedt}\\ | |
| 52 | -$^{*}$FEMTO-ST, Time \& Frequency dept., Besan\c con, France | |
| 53 | -} | |
| 54 | -\addalignedblock{0.28\textwidth}{center}{% | |
| 55 | 50 | A. \textsc{Hugeat}$^{*}$, J. \textsc{Bernard}\\ |
| 56 | 51 | ~\\ |
| 57 | 52 | FEMTO-ST, DISC dept., Besan\c con, France |
| 58 | 53 | } |
| 54 | +\addalignedblock{0.28\textwidth}{center}{% | |
| 55 | +G. \textsc{Goavec-Merou},\\ | |
| 56 | +P.-Y. \textsc{Bourgeois}, J.-M \textsc{Friedt}\\ | |
| 57 | +$^{*}$FEMTO-ST, Time \& Frequency dept., Besan\c con, France | |
| 58 | +} | |
| 59 | 59 | \addalignedblock{0.18\textwidth}{flushright}{% |
| 60 | 60 | \includegraphics[height=1.4cm]{images/logo_femto} |
| 61 | 61 | } |
| 62 | 62 | \end{center} |
| 63 | 63 | |
| 64 | 64 | % First part |
| 65 | -\vspace{-.71cm} | |
| 65 | +\vspace{-.61cm} | |
| 66 | 66 | \newsection{Digital signal processing of ultrastable clock signals} |
| 67 | 67 | |
| 68 | 68 | \vspace{-.21cm} |
| 69 | +%\begin{minipage}[t]{\linewidth} | |
| 70 | +%\begin{minipage}{.7\linewidth} | |
| 69 | 71 | \begin{itemize}[leftmargin=*] |
| 70 | 72 | \setlength{\itemsep}{0pt}% |
| 71 | 73 | \setlength{\parskip}{0pt}% |
| 72 | 74 | \item |
| 73 | 75 | {\bf Digital phase noise characterization}: flexibility (software defined local |
| 74 | -oscillator), stability (no long term drift), reconfigurabilty | |
| 75 | -$\Rightarrow$ {\bf software defined radio} oscillator phase noise | |
| 76 | -characterization | |
| 76 | +oscillator),\\ stability (no long term drift), reconfigurabilty | |
| 77 | +$\Rightarrow$ {\bf software defined radio} oscillator \\ | |
| 78 | +phase noise characterization | |
| 77 | 79 | \item analog to digital conversion of radiofrequency signal, software |
| 78 | -defined local oscillator, mixer and {\bf low pass filter} | |
| 80 | +defined local oscillator, | |
| 81 | +mixer and {\bf low pass filter} | |
| 79 | 82 | \item low pass filter uses most resources and introduces latency (phase delay |
| 80 | 83 | in feedback loop): needs to be optimized |
| 81 | 84 | \end{itemize} |
| 85 | +%\end{minipage} | |
| 86 | +%\begin{minipage}{.28\linewidth} | |
| 82 | 87 | |
| 83 | -\vspace{-.21cm} | |
| 88 | +\vspace{-3cm}\hfill\includegraphics[width=.28\linewidth]{schema} | |
| 89 | +%\end{minipage} | |
| 90 | +%\end{minipage} | |
| 91 | + | |
| 92 | +\vspace{1.21cm} | |
| 84 | 93 | \hrule{\hfill} |
| 85 | 94 | % Second part |
| 86 | -\vspace{-.71cm} | |
| 95 | +\vspace{-.61cm} | |
| 87 | 96 | \newsection{Filter design and implementation strategy:} |
| 88 | 97 | %\begin{itemize}[leftmargin=*] |
| 89 | 98 | %\setlength{\itemsep}{0pt}% |
| 90 | 99 | %\setlength{\parskip}{0pt}% |
| 91 | -\vspace{-.41cm} | |
| 92 | - \addblock{0.48\textwidth}{ | |
| 93 | - \begin{enumerate}[noitemsep,nolistsep] | |
| 94 | - \item \textbf{Classical way:}\\ | |
| 100 | +\vspace{-.40cm} | |
| 101 | + \addblock{0.44\textwidth}{ | |
| 102 | +% \begin{enumerate}[noitemsep,nolistsep] | |
| 103 | +% \item | |
| 104 | +\textbf{Classical way:}\\ | |
| 95 | 105 | Compute the transfer function of a monolithic filter |
| 96 | 106 | \begin{itemize}[label=$\Rightarrow$, noitemsep, nolistsep] |
| 97 | 107 | {\color{Green}\item Simplest way to design filter} |
| 98 | 108 | {\color{Green}\item Great rejection} |
| 99 | 109 | {\color{Red}\item Consume lot of resources on FPGA} |
| 100 | 110 | \end{itemize} |
| 101 | - \end{enumerate} | |
| 111 | +% \end{enumerate} | |
| 102 | 112 | } |
| 103 | - \addblock{0.48\textwidth}{ | |
| 104 | - \begin{enumerate} | |
| 105 | - \setcounter{enumi}{1} | |
| 106 | - \item \textbf{Alternative way (our focus):}\\ | |
| 113 | + \addblock{0.40\textwidth}{ | |
| 114 | +% \begin{enumerate} | |
| 115 | +% \setcounter{enumi}{1} | |
| 116 | +% \item | |
| 117 | +\textbf{Alternative way (our focus):}\\ | |
| 107 | 118 | Chain of small filters |
| 108 | 119 | \begin{itemize}[label=$\Rightarrow$, noitemsep, nolistsep] |
| 109 | 120 | {\color{Green}\item Great rejection} |
| 110 | 121 | {\color{Green}\item Consume less resources on FPGA} |
| 111 | 122 | {\color{Red}\item Harder way to design filter} |
| 112 | 123 | \end{itemize} |
| 113 | - \end{enumerate} | |
| 124 | +% \end{enumerate} | |
| 114 | 125 | } |
| 126 | + | |
| 127 | +\vspace{-2.6cm}\hfill\includegraphics[width=.2\linewidth]{schema2} | |
| 128 | +\vspace{-0.3cm} | |
| 129 | + | |
| 115 | 130 | The 2\textsuperscript{nd} way could be considered as an optimization problem: |
| 116 | 131 | \begin{itemize}[noitemsep,nolistsep] |
| 117 | 132 | \item One or many {\bf performance criteria} (rejection, noise, |
| 118 | 133 | |
| 119 | 134 | |
| 120 | 135 | |
| 121 | 136 | |
| 122 | 137 | |
| 123 | 138 | |
| 124 | 139 | |
| 125 | 140 | |
| 126 | 141 | |
| 127 | 142 | |
| 128 | 143 | |
| ... | ... | @@ -122,61 +137,68 @@ |
| 122 | 137 | 3 degrees of freedom: |
| 123 | 138 | |
| 124 | 139 | \vspace{.1cm} |
| 125 | -\hfill | |
| 126 | -\parbox{.60\linewidth}{ | |
| 127 | - \begin{enumerate}[noitemsep,nolistsep] | |
| 128 | - \item The size of chain filters | |
| 129 | - \item The number of coefficients for each filter $i$: $N_i$ | |
| 130 | - \item The number of bits for each coefficients and for each filter $i$: $c_i$ | |
| 131 | - \end{enumerate} | |
| 132 | -} | |
| 140 | +%\parbox{.60\linewidth}{ | |
| 141 | +% \begin{enumerate}[noitemsep,nolistsep] | |
| 142 | +% \item | |
| 143 | +\noindent | |
| 144 | +size of chain filters, | |
| 145 | +% \item | |
| 146 | +number of coefficients for each filter $i$: $N_i$, | |
| 147 | +% \item | |
| 148 | +number of bits for each coefficients and for each filter $i$: $c_i$ | |
| 149 | +% \end{enumerate} | |
| 150 | +%} | |
| 133 | 151 | %\end{itemize} |
| 134 | -\vspace{-1.0cm} | |
| 152 | +\vspace{-0.5cm} | |
| 135 | 153 | \newsection{Filter selection} |
| 136 | 154 | \vspace{-0.3cm} |
| 137 | 155 | \begin{itemize}[noitemsep,nolistsep] |
| 138 | 156 | \item For select the filter design we need to evaluate the rejection like: |
| 139 | - \begin{enumerate}[noitemsep,nolistsep] | |
| 140 | - \item The mean value of rejection | |
| 141 | - \item The median value of rejection | |
| 142 | - \item A custom criterion (we penalize the rejection in base band and we keep only the maximum rejection on the filter tail) | |
| 143 | - \end{enumerate} | |
| 157 | + | |
| 158 | +% \begin{enumerate}[noitemsep,nolistsep] | |
| 159 | +% \item The mean value of rejection | |
| 160 | +% \item The median value of rejection | |
| 161 | +% \item A custom criterion (we penalize the rejection in base band and we keep only the maximum rejection on the filter tail) | |
| 162 | +% \end{enumerate} | |
| 144 | 163 | \begin{minipage}[t]{0.30\textwidth} |
| 145 | 164 | \includegraphics[width=0.95\textwidth]{images/noise-rejection-mean} |
| 146 | - \captionof{figure}{Mean criterion} | |
| 165 | + %\captionof{figure} | |
| 166 | +{Criterion=mean value of rejection} | |
| 147 | 167 | \end{minipage} |
| 148 | 168 | \begin{minipage}[t]{0.30\textwidth} |
| 149 | 169 | \includegraphics[width=0.95\textwidth]{images/noise-rejection-median} |
| 150 | - \captionof{figure}{Median criterion} | |
| 170 | +% \captionof{figure}{ | |
| 171 | +{Criterion=median value of rejection} | |
| 151 | 172 | \end{minipage} |
| 152 | 173 | \begin{minipage}[t]{0.30\textwidth} |
| 153 | 174 | \includegraphics[width=0.95\textwidth]{images/noise-rejection-custom} |
| 154 | - \captionof{figure}{Custom criterion} | |
| 175 | +% \captionof{figure} | |
| 176 | +{Criterion=max value of rejection} | |
| 155 | 177 | \end{minipage} |
| 178 | +\vspace{0.4cm} | |
| 156 | 179 | \item All rejection criteria produce the same kind of result: the best filters seem to be in the edge of pyramid |
| 157 | 180 | \item For each criteria, we associate the rejection to the related filter and we let GLPK choose the best configuration\\ |
| 158 | 181 | \begin{minipage}[t]{0.30\textwidth} |
| 159 | 182 | \includegraphics[width=0.95\textwidth]{images/fir-mono-vs-fir-series-noise-fixe-mean.pdf} |
| 160 | - \captionof{figure}{Mean criterion} | |
| 183 | +% \captionof{figure}{ | |
| 184 | +{Criterion=mean value of rejection} | |
| 161 | 185 | \end{minipage} |
| 162 | 186 | \begin{minipage}[t]{0.30\textwidth} |
| 163 | 187 | \includegraphics[width=0.95\textwidth]{images/fir-mono-vs-fir-series-noise-fixe-median.pdf} |
| 164 | - \captionof{figure}{Median criterion} | |
| 188 | +% \captionof{figure} | |
| 189 | +{Criterion=median value of rejection} | |
| 165 | 190 | \end{minipage} |
| 166 | 191 | \begin{minipage}[t]{0.30\textwidth} |
| 167 | 192 | \includegraphics[width=0.95\textwidth]{images/fir-mono-vs-fir-series-noise-fixe-jmf.pdf} |
| 168 | - \captionof{figure}{Custom criterion} | |
| 193 | +% \captionof{figure} | |
| 194 | +{Criterion=max value of rejection} | |
| 169 | 195 | \end{minipage} |
| 170 | -<<<<<<< HEAD | |
| 196 | +\vspace{0.4cm} | |
| 171 | 197 | \item {\bf Rejection}: the last configuration is better than the first but worse |
| 172 | 198 | than the monolithic filter |
| 173 | 199 | \item Resources {\bf consumption}: last filter is better than the single monolithic filter |
| 174 | 200 | (monolithic does not fit in available resources) |
| 175 | 201 | \vspace{-.33cm} |
| 176 | -======= | |
| 177 | - \item For the rejection: the last configuration is better than the first one but it's worst than monolithic filter | |
| 178 | - \item For the resources consumption: the last one is better than the single filter | |
| 179 | ->>>>>>> de0f544773b03c4215f07cea693fc7eb145ff20a | |
| 180 | 202 | \begin{center} |
| 181 | 203 | \begin{tabular}{|c|ccccc|}\hline |
| 182 | 204 | FIR & BlockRAM36 & BlockRAM18 & LookUpTables & DSP & rejection (dB)\\\hline\hline |
schema.fig
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| 2 | +Landscape | |
| 3 | +Center | |
| 4 | +Metric | |
| 5 | +A4 | |
| 6 | +100.00 | |
| 7 | +Single | |
| 8 | +-2 | |
| 9 | +1200 2 | |
| 10 | +1 3 0 1 0 7 50 -1 -1 0.000 1 0.0000 4860 4140 270 270 4860 4140 5130 4140 | |
| 11 | +1 3 0 1 0 7 50 -1 -1 0.000 1 0.0000 6210 4140 180 180 6210 4140 6390 4140 | |
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schema2.fig
| 1 | +#FIG 3.2 Produced by xfig version 3.2.6a | |
| 2 | +Landscape | |
| 3 | +Center | |
| 4 | +Metric | |
| 5 | +A4 | |
| 6 | +100.00 | |
| 7 | +Single | |
| 8 | +-2 | |
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| 28 | +4 0 0 50 -1 1 8 0.0000 4 90 540 4770 4230 BP=40%\001 | |
| 29 | +4 0 0 50 -1 1 8 0.0000 4 90 570 5670 3960 BW=40%\001 | |
| 30 | +4 0 0 50 -1 1 8 0.0000 4 120 525 5670 3825 rejection\001 | |
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