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\bibcite{pahlavan2012rf}{1}
\bibcite{iddan2000wireless}{2}
\bibcite{faigel2008capsule}{3}
\bibcite{hu2005efficient}{4}
\bibcite{kuth2006method}{5}
\bibcite{bao2013video}{6}
\bibcite{lee2007automatic}{7}
\bibcite{bao2013motion}{8}
\bibcite{pourhomayoun2012novel}{9}
\bibcite{thomas2006smartpill}{10}
\bibcite{jacob2002localization}{11}
\bibcite{he2013testbed}{12}
\bibcite{kawasaki2009toa}{13}
\bibcite{frisch2005array}{14}
\bibcite{patwari2003relative}{15}
\bibcite{patwari2005locating}{16}
\bibcite{ye2012accuracy}{17}
\bibcite{alsindi2008cooperative}{18}
\bibcite{ye2011accuracy}{19}
\bibcite{alsindi2007empirical}{20}
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\bibcite{bao2012modeling}{23}
\bibcite{sayrafian2010channel}{24}
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\bibcite{heidari2009udp}{26}
\bibcite{alsindi2007analysis}{27}
\bibcite{shen2010fundamental}{28}
\bibcite{pahlavan2005wireless}{29}
\bibcite{van2004detection}{30}
\bibcite{patwari2006signal}{31}
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