\begin{thebibliography}{122}
\providecommand{\natexlab}[1]{#1}
\providecommand{\url}[1]{\texttt{#1}}
\expandafter\ifx\csname urlstyle\endcsname\relax
  \providecommand{\doi}[1]{doi: #1}\else
  \providecommand{\doi}{doi: \begingroup \urlstyle{rm}\Url}\fi

\bibitem[Pan and Wang(2011)]{pan2011swallowable}
Guobing Pan and Litong Wang.
\newblock Swallowable wireless capsule endoscopy: Progress and technical
  challenges.
\newblock \emph{Gastroenterology research and practice}, 2012, 2011.

\bibitem[Pahlavan(1985)]{pahlavan1985wireless}
Kaveh Pahlavan.
\newblock Wireless communications for office information networks.
\newblock \emph{Communications Magazine, IEEE}, 23\penalty0 (6):\penalty0
  19--27, 1985.

\bibitem[Pahlavan et~al.(1995)Pahlavan, Probert, and Chase]{pahlavan1995trends}
Kaveh Pahlavan, Thomas~H Probert, and Mitchell~E Chase.
\newblock Trends in local wireless networks.
\newblock \emph{Communications Magazine, IEEE}, 33\penalty0 (3):\penalty0
  88--95, 1995.

\bibitem[Pahlavan and Holsinger(1988)]{pahlavan1988voice}
Kaveh Pahlavan and Jerry~L Holsinger.
\newblock Voice-band data communication modems-a historical review: 1919-1988.
\newblock \emph{Communications Magazine, IEEE}, 26\penalty0 (1):\penalty0
  16--27, 1988.

\bibitem[Pahlavan et~al.(1989)Pahlavan, Ganesh, and
  Hotaling]{pahlavan1989multipath}
K~Pahlavan, R~Ganesh, and T~Hotaling.
\newblock Multipath propagation measurements on manufacturing floors at 910
  mhz.
\newblock \emph{Electronics Letters}, 25\penalty0 (3):\penalty0 225--227, 1989.

\bibitem[Zhang et~al.(1989)Zhang, Pahlavan, and Ganesh]{zhang1989slotted}
K~Zhang, K~Pahlavan, and R~Ganesh.
\newblock Slotted aloha radio networks with psk modulation in rayleigh fading
  channels.
\newblock \emph{Electronics Letters}, 25\penalty0 (6):\penalty0 412--413, 1989.

\bibitem[Howard and Pahlavan(1990)]{howard1990measurement}
Steven~J Howard and Kaveh Pahlavan.
\newblock Measurement and analysis of the indoor radio channel in the frequency
  domain.
\newblock \emph{Instrumentation and Measurement, IEEE Transactions on},
  39\penalty0 (5):\penalty0 751--755, 1990.

\bibitem[Chen et~al.(2011)Chen, Gonzalez, Vasilakos, Cao, and
  Leung]{chen2011body}
Min Chen, Sergio Gonzalez, Athanasios Vasilakos, Huasong Cao, and Victor~C
  Leung.
\newblock Body area networks: A survey.
\newblock \emph{Mobile Networks and Applications}, 16\penalty0 (2):\penalty0
  171--193, 2011.

\bibitem[Astrin et~al.(2009)Astrin, Huan-Bang, and
  Kohno]{astrin2009standardization}
Arthur~W Astrin, LI~Huan-Bang, and Ryuji Kohno.
\newblock Standardization for body area networks.
\newblock \emph{IEICE transactions on communications}, 92\penalty0
  (2):\penalty0 366--372, 2009.

\bibitem[Pahlavan et~al.(2012{\natexlab{a}})Pahlavan, Bao, Ye, Makarov, Khan,
  Swar, Cave, Karellas, Krishnamurthy, and Sayrafian]{pahlavan2012rf}
K~Pahlavan, G~Bao, Y~Ye, S~Makarov, U~Khan, P~Swar, D~Cave, A~Karellas,
  P~Krishnamurthy, and K~Sayrafian.
\newblock Rf localization for wireless video capsule endoscopy.
\newblock \emph{International Journal of Wireless Information Networks},
  19\penalty0 (4):\penalty0 326--340, 2012{\natexlab{a}}.

\bibitem[Vakil(1995)]{vakil1995measurement}
N~Vakil.
\newblock Measurement of lesions by endoscopy: an overview.
\newblock \emph{Endoscopy}, 27\penalty0 (09):\penalty0 694--697, 1995.

\bibitem[Costamagna et~al.(2002)Costamagna, Shah, Riccioni, Foschia, Mutignani,
  Perri, Vecchioli, Brizi, Picciocchi, and Marano]{costamagna2002prospective}
Guido Costamagna, Saumil~K Shah, Maria~Elena Riccioni, Francesca Foschia,
  Massimiliano Mutignani, Vincenzo Perri, Amorino Vecchioli, Maria~Gabriella
  Brizi, Aurelio Picciocchi, and Pasquale Marano.
\newblock A prospective trial comparing small bowel radiographs and video
  capsule endoscopy for suspected small bowel disease.
\newblock \emph{Gastroenterology}, 123\penalty0 (4):\penalty0 999--1005, 2002.

\bibitem[Rondonotti et~al.(2005)Rondonotti, Herrerias, Pennazio, Caunedo,
  Mascarenhas-Saraiva, and de~Franchis]{rondonotti2005complications}
Emanuele Rondonotti, Juan~Manuel Herrerias, Marco Pennazio, Angel Caunedo,
  Miguel Mascarenhas-Saraiva, and Roberto de~Franchis.
\newblock Complications, limitations, and failures of capsule endoscopy: a
  review of 733 cases.
\newblock \emph{Gastrointestinal endoscopy}, 62\penalty0 (5):\penalty0
  712--716, 2005.

\bibitem[Mishkin et~al.(2006)Mishkin, Chuttani, Croffie, DiSario, Liu, Shah,
  Somogyi, Tierney, Wong Kee~Song, and Petersen]{mishkin2006asge}
Daniel~S Mishkin, Ram Chuttani, Joseph Croffie, James DiSario, Julia Liu, Raj
  Shah, Lehel Somogyi, William Tierney, Louis~M Wong Kee~Song, and Bret~T
  Petersen.
\newblock Asge technology status evaluation report: wireless capsule endoscopy.
\newblock \emph{Gastrointestinal endoscopy}, 63\penalty0 (4):\penalty0
  539--545, 2006.

\bibitem[El-Matary(2008)]{el2008wireless}
Wael El-Matary.
\newblock Wireless capsule endoscopy: indications, limitations, and future
  challenges.
\newblock \emph{Journal of pediatric gastroenterology and nutrition},
  46\penalty0 (1):\penalty0 4--12, 2008.

\bibitem[Iddan et~al.(2000)Iddan, Meron, Glukhovsky, and
  Swain]{iddan2000wireless}
Gavriel Iddan, Gavriel Meron, Arkady Glukhovsky, and Paul Swain.
\newblock Wireless capsule endoscopy.
\newblock \emph{Nature}, 405:\penalty0 417, 2000.

\bibitem[Li and Meng(2012)]{li2012wireless}
Baopu Li and Max Q-H Meng.
\newblock Wireless capsule endoscopy images enhancement via adaptive contrast
  diffusion.
\newblock \emph{Journal of Visual Communication and Image Representation},
  23\penalty0 (1):\penalty0 222--228, 2012.

\bibitem[Li and Meng(2009)]{li2009texture}
Baopu Li and Max Q-H Meng.
\newblock Texture analysis for ulcer detection in capsule endoscopy images.
\newblock \emph{Image and Vision computing}, 27\penalty0 (9):\penalty0
  1336--1342, 2009.

\bibitem[Adler and Gostout(2003)]{adler2003wireless}
Douglas~G Adler and Christopher~J Gostout.
\newblock Wireless capsule endoscopy.
\newblock \emph{Hospital Physician}, 39\penalty0 (5):\penalty0 14--22, 2003.

\bibitem[Ge et~al.(2004)Ge, Hu, Xiao, et~al.]{ge2004capsule}
Zhi-Zheng Ge, Yun-Biao Hu, Shu-Dong Xiao, et~al.
\newblock Capsule endoscopy in diagnosis of small bowel crohn's disease.
\newblock \emph{World Journal of Gastroenterology}, 10\penalty0 (9):\penalty0
  1349--1352, 2004.

\bibitem[Lee et~al.(2004)Lee, Poon, and Chan]{lee2004diagnosis}
DW~Lee, AO~Poon, and AC~Chan.
\newblock Diagnosis of small bowel radiation enteritis by capsule endoscopy.
\newblock \emph{Hong Kong medical journal= Xianggang yi xue za zhi/Hong Kong
  Academy of Medicine}, 10\penalty0 (6):\penalty0 419--421, 2004.

\bibitem[Fu et~al.(2013)Fu, Bao, Ye, and Pahlavan]{fu2013heterogeneous}
Ruijun Fu, Guanqun Bao, Yunxing Ye, and Kaveh Pahlavan.
\newblock Heterogeneous cooperative localization for social networks.
\newblock \emph{International Journal of Wireless Information Networks},
  20\penalty0 (4):\penalty0 294--305, 2013.

\bibitem[Zheng et~al.(2012)Zheng, Bao, Fu, and Pahlavan]{zheng2012performance}
Xin Zheng, Guanqun Bao, Ruijun Fu, and Kaveh Pahlavan.
\newblock The performance of simulated annealing algorithms for wi-fi
  localization using google indoor map.
\newblock In \emph{Vehicular Technology Conference (VTC Fall), 2012 IEEE},
  pages 1--5. IEEE, 2012.

\bibitem[Pahlavan(2011)]{pahlavan2011principles}
Kaveh Pahlavan.
\newblock \emph{Principles of wireless networks: A unified approach}.
\newblock John Wiley \& Sons, Inc., 2011.

\bibitem[Alomainy and Hao(2009)]{alomainy2009modeling}
Akram Alomainy and Yang Hao.
\newblock Modeling and characterization of biotelemetric radio channel from
  ingested implants considering organ contents.
\newblock \emph{Antennas and Propagation, IEEE Transactions on}, 57\penalty0
  (4):\penalty0 999--1005, 2009.

\bibitem[Pahlavan et~al.(2002)Pahlavan, Li, and Makela]{pahlavan2002indoor}
Kaveh Pahlavan, Xinrong Li, and J-P Makela.
\newblock Indoor geolocation science and technology.
\newblock \emph{Communications Magazine, IEEE}, 40\penalty0 (2):\penalty0
  112--118, 2002.

\bibitem[Pahlavan et~al.(2006)Pahlavan, Akgul, Heidari, Hatami, Elwell, and
  Tingley]{pahlavan2006indoor}
Kaveh Pahlavan, Ferit~O Akgul, Mohammad Heidari, Ahmad Hatami, John~M Elwell,
  and Robert~D Tingley.
\newblock Indoor geolocation in the absence of direct path.
\newblock \emph{Wireless Communications, IEEE}, 13\penalty0 (6):\penalty0
  50--58, 2006.

\bibitem[Kanaan and Pahlavan(2004)]{kanaan2004algorithm}
M~Kanaan and K~Pahlavan.
\newblock Algorithm for toa-based indoor geolocation.
\newblock \emph{Electronics Letters}, 40\penalty0 (22):\penalty0 1421--1422,
  2004.

\bibitem[Alavi et~al.(2006)Alavi, Pahlavan, Alsindi, and Li]{alavi2006using}
Bardia Alavi, Kaveh Pahlavan, Nayef Alsindi, and Xinrong Li.
\newblock Using uwb measurements for statistical analysis of the ranging error
  in indoor multipath environment.
\newblock \emph{International Journal on Wireless \& Optical Communications},
  3\penalty0 (02):\penalty0 189--202, 2006.

\bibitem[Alsindi et~al.(2007{\natexlab{a}})Alsindi, Li, and
  Pahlavan]{alsindi2007analysis}
Nayef Alsindi, Xinrong Li, and Kaveh Pahlavan.
\newblock Analysis of time of arrival estimation using wideband measurements of
  indoor radio propagations.
\newblock \emph{Instrumentation and Measurement, IEEE Transactions on},
  56\penalty0 (5):\penalty0 1537--1545, 2007{\natexlab{a}}.

\bibitem[Alsindi et~al.(2007{\natexlab{b}})Alsindi, Alavi, and
  Pahlavan]{alsindi2007empirical}
N~Alsindi, B~Alavi, and K~Pahlavan.
\newblock Empirical pathloss model for indoor geolocation using uwb
  measurements.
\newblock \emph{Electronics Letters}, 43\penalty0 (7):\penalty0 370--372,
  2007{\natexlab{b}}.

\bibitem[Heidari and Pahlavan(2008)]{heidari2008markov}
Mohammad Heidari and Kaveh Pahlavan.
\newblock A markov model for dynamic behavior of toa-based ranging in indoor
  localization.
\newblock \emph{EURASIP Journal on Advances in Signal Processing},
  2008:\penalty0 82, 2008.

\bibitem[Pahlavan et~al.(2010)Pahlavan, Akgul, Ye, Morgan, Alizadeh-Shabdiz,
  Heidari, and Steger]{pahlavan2010taking}
K~Pahlavan, F~Akgul, Y~Ye, T~Morgan, F~Alizadeh-Shabdiz, M~Heidari, and
  C~Steger.
\newblock Taking positioning indoors wi-fi localization and gnss.
\newblock \emph{Inside GNSS}, 5\penalty0 (3):\penalty0 40--47, 2010.

\bibitem[He et~al.(2013{\natexlab{a}})He, Geng, Wan, Li, and
  Pahlavan]{he2013cyber}
Jie He, Yishuang Geng, Yadong Wan, Shen Li, and Kaveh Pahlavan.
\newblock A cyber physical test-bed for virtualization of rf access environment
  for body sensor network.
\newblock 2013{\natexlab{a}}.

\bibitem[He et~al.(2013{\natexlab{b}})He, Pahlavan, Li, and
  Wang]{he2013testbed}
Jie He, Kaveh Pahlavan, Shen Li, and Qin Wang.
\newblock A testbed for evaluation of the effects of multipath on performance
  of toa-based indoor geolocation.
\newblock 2013{\natexlab{b}}.

\bibitem[Geng et~al.(2013{\natexlab{a}})Geng, He, and
  Pahlavan]{geng2013modeling}
Yishuang Geng, Jie He, and Kaveh Pahlavan.
\newblock Modeling the effect of human body on toa based indoor human tracking.
\newblock \emph{International Journal of Wireless Information Networks},
  20\penalty0 (4):\penalty0 306--317, 2013{\natexlab{a}}.

\bibitem[Pahlavan et~al.(2012{\natexlab{b}})Pahlavan, Ye, Fu, and
  Khan]{pahlavan2012challenges}
Kaveh Pahlavan, Yunxing Ye, Ruijun Fu, and Umair Khan.
\newblock Challenges in channel measurement and modeling for rf localization
  inside the human body.
\newblock \emph{International Journal of Embedded and Real-Time Communication
  Systems (IJERTCS)}, 3\penalty0 (3):\penalty0 18--37, 2012{\natexlab{b}}.

\bibitem[Hu et~al.(2005)Hu, Meng, and Mandal]{hu2005efficient}
Chao Hu, Max Q-H Meng, and Mrinal Mandal.
\newblock Efficient magnetic localization and orientation technique for capsule
  endoscopy.
\newblock \emph{International Journal of Information Acquisition}, 2\penalty0
  (01):\penalty0 23--36, 2005.

\bibitem[Hu et~al.(2006)Hu, Meng, and Mandal]{hu2006efficient}
Chao Hu, MQ-H Meng, and Mrinal Mandal.
\newblock Efficient linear algorithm for magnetic localization and orientation
  in capsule endoscopy.
\newblock In \emph{Engineering in Medicine and Biology Society, 2005. IEEE-EMBS
  2005. 27th Annual International Conference of the}, pages 7143--7146. IEEE,
  2006.

\bibitem[Bao et~al.(2013{\natexlab{a}})Bao, Mi, and Pahlavan]{bao2013emulation}
Guanqun Bao, Liang Mi, and Kaveh Pahlavan.
\newblock Emulation on motion tracking of endoscopic capsule inside small
  intestine.
\newblock In \emph{14th International Conference on Bioinformatics and
  Computational Biology, Las Vegas}, 2013{\natexlab{a}}.

\bibitem[Faigel and Cave(2008)]{faigel2008capsule}
Douglas~O Faigel and David~R Cave.
\newblock \emph{Capsule endoscopy}.
\newblock Saunders Elsevier Amsterdam, 2008.

\bibitem[Kusuda(2005)]{kusuda2005further}
Yoshihiro Kusuda.
\newblock A further step beyond wireless capsule endoscopy.
\newblock \emph{Sensor Review}, 25\penalty0 (4):\penalty0 259--260, 2005.

\bibitem[Ciuti et~al.(2011)Ciuti, Menciassi, and Dario]{ciuti2011capsule}
Gastone Ciuti, Arianna Menciassi, and Paolo Dario.
\newblock Capsule endoscopy: from current achievements to open challenges.
\newblock \emph{Biomedical Engineering, IEEE Reviews in}, 4:\penalty0 59--72,
  2011.

\bibitem[Chandra et~al.(2013)Chandra, Johansson, and
  Tufvesson]{chandra2013localization}
Rohit Chandra, Anders~J Johansson, and Fredrik Tufvesson.
\newblock Localization of an rf source inside the human body for wireless
  capsule endoscopy.
\newblock In \emph{Proceedings of the 8th International Conference on Body Area
  Networks}, pages 48--54. ICST (Institute for Computer Sciences,
  Social-Informatics and Telecommunications Engineering), 2013.

\bibitem[Than et~al.(2012)Than, Alici, Zhou, and Li]{than2012review}
Trung~Duc Than, G{\"u}rsel Alici, Hao Zhou, and Weihua Li.
\newblock A review of localization systems for robotic endoscopic capsules.
\newblock \emph{Biomedical Engineering, IEEE Transactions on}, 59\penalty0
  (9):\penalty0 2387--2399, 2012.

\bibitem[Salerno et~al.(2012)Salerno, Ciuti, Lucarini, Rizzo, Valdastri,
  Menciassi, Landi, and Dario]{salerno2012discrete}
Marco Salerno, Gastone Ciuti, Gioia Lucarini, Rocco Rizzo, Pietro Valdastri,
  Arianna Menciassi, Alberto Landi, and Paolo Dario.
\newblock A discrete-time localization method for capsule endoscopy based on
  on-board magnetic sensing.
\newblock \emph{Measurement Science and Technology}, 23\penalty0 (1):\penalty0
  015701, 2012.

\bibitem[Carpi et~al.(2007)Carpi, Galbiati, and Carpi]{carpi2007controlled}
Federico Carpi, Stefano Galbiati, and Angelo Carpi.
\newblock Controlled navigation of endoscopic capsules: concept and preliminary
  experimental investigations.
\newblock \emph{Biomedical Engineering, IEEE Transactions on}, 54\penalty0
  (11):\penalty0 2028--2036, 2007.

\bibitem[Carpi et~al.(2011)Carpi, Kastelein, Talcott, and
  Pappone]{carpi2011magnetically}
Federico Carpi, Nathan Kastelein, Michael Talcott, and Carlo Pappone.
\newblock Magnetically controllable gastrointestinal steering of video
  capsules.
\newblock \emph{Biomedical Engineering, IEEE Transactions on}, 58\penalty0
  (2):\penalty0 231--234, 2011.

\bibitem[Wang et~al.(2006)Wang, Meng, and Hu]{wang2006localization}
Xiaona Wang, MQ-H Meng, and Chao Hu.
\newblock A localization method using 3-axis magnetoresistive sensors for
  tracking of capsule endoscope.
\newblock In \emph{Engineering in Medicine and Biology Society, 2006. EMBS'06.
  28th Annual International Conference of the IEEE}, pages 2522--2525. IEEE,
  2006.

\bibitem[Ciuti et~al.(2010)Ciuti, Valdastri, Menciassi, and
  Dario]{ciuti2010robotic}
Gastone Ciuti, Pietro Valdastri, Arianna Menciassi, and Paolo Dario.
\newblock Robotic magnetic steering and locomotion of capsule endoscope for
  diagnostic and surgical endoluminal procedures.
\newblock \emph{Robotica}, 28\penalty0 (2):\penalty0 199, 2010.

\bibitem[Liu et~al.(2009)Liu, Hu, Cai, and Meng]{liu2009capsule}
Li~Liu, Chao Hu, Wentao Cai, and MQ-H Meng.
\newblock Capsule endoscope localization based on computer vision technique.
\newblock In \emph{Engineering in Medicine and Biology Society, 2009. EMBC
  2009. Annual International Conference of the IEEE}, pages 3711--3714. IEEE,
  2009.

\bibitem[Ye et~al.(2012)Ye, Swar, Pahlavan, and Ghaboosi]{ye2012accuracy}
Yunxing Ye, Pranay Swar, Kaveh Pahlavan, and Kaveh Ghaboosi.
\newblock Accuracy of rss-based rf localization in multi-capsule endoscopy.
\newblock \emph{International Journal of Wireless Information Networks},
  19\penalty0 (3):\penalty0 229--238, 2012.

\bibitem[Pourhomayoun et~al.(2013)Pourhomayoun, Jin, and
  Fowler]{pourhomayoun2013accurate}
Mohammad Pourhomayoun, Zhanpeng Jin, and M~Fowler.
\newblock Accurate localization of in-body medical implants based on spatial
  sparsity.
\newblock 2013.

\bibitem[Arab et~al.(2013)Arab, Heimlich, and
  Dutkiewicz]{arab2013investigation}
Perzila Arab, Michael Heimlich, and Eryk Dutkiewicz.
\newblock Investigation of radar localization system accuracy for human gastro
  intestine (gi) tract.
\newblock In \emph{Medical Information and Communication Technology (ISMICT),
  2013 7th International Symposium on}, pages 144--148. IEEE, 2013.

\bibitem[Atuegwu and Galloway(2008)]{atuegwu2008volumetric}
NC~Atuegwu and RL~Galloway.
\newblock Volumetric characterization of the aurora magnetic tracker system for
  image-guided transorbital endoscopic procedures.
\newblock \emph{Physics in medicine and biology}, 53\penalty0 (16):\penalty0
  4355, 2008.

\bibitem[Gao et~al.(2010)Gao, Hu, Chen, Zhang, and Liu]{gao2010design}
Mingyuan Gao, Chengzhi Hu, Zhenzhi Chen, Honghai Zhang, and Sheng Liu.
\newblock Design and fabrication of a magnetic propulsion system for
  self-propelled capsule endoscope.
\newblock \emph{Biomedical Engineering, IEEE Transactions on}, 57\penalty0
  (12):\penalty0 2891--2902, 2010.

\bibitem[Weitschies et~al.(1994)Weitschies, Wedemeyer, Stehr, and
  Trahms]{weitschies1994magnetic}
W~Weitschies, J~Wedemeyer, R~Stehr, and L~Trahms.
\newblock Magnetic markers as a noninvasive tool to monitor gastrointestinal
  transit.
\newblock \emph{IEEE transactions on bio-medical engineering}, 41\penalty0
  (2):\penalty0 192--195, 1994.

\bibitem[Bao et~al.(2013{\natexlab{b}})Bao, Mi, and Pahlavan]{bao2013video}
Guanqun Bao, Liang Mi, and Kaveh Pahlavan.
\newblock A video aided rf localization technique for the wireless capsule
  endoscope (wce) inside small intestine.
\newblock In \emph{Proceedings of the 8th International Conference on Body Area
  Networks}, pages 55--61. ICST (Institute for Computer Sciences,
  Social-Informatics and Telecommunications Engineering), 2013{\natexlab{b}}.

\bibitem[Iakovidis et~al.(2013)Iakovidis, Spyrou, Diamantis, and
  Tsiompanidis]{iakovidis2013capsule}
Dimitris~K Iakovidis, Evaggelos Spyrou, Dimitris Diamantis, and Ilias
  Tsiompanidis.
\newblock Capsule endoscope localization based on visual features.
\newblock In \emph{Bioinformatics and Bioengineering (BIBE), 2013 IEEE 13th
  International Conference on}, pages 1--4. IEEE, 2013.

\bibitem[Duda et~al.(2007)Duda, Zielinski, Duplaga, Grega, and
  Leszczuk]{duda2007vq}
K~Duda, T~Zielinski, M~Duplaga, M~Grega, and M~Leszczuk.
\newblock Vq classification based on mpeg-7 visual descriptors for video
  endoscopic capsule localization in the gastrointestinal tract.
\newblock \emph{changes}, 1:\penalty0 2, 2007.

\bibitem[Bulat et~al.(2007)Bulat, Duda, Duplaga, Fraczek, Skalski, Socha,
  Turcza, and Zielinski]{bulat2007data}
Jaroslaw Bulat, Krzvsztof Duda, Mariusz Duplaga, Rafal Fraczek, Andrzej
  Skalski, Miroslaw Socha, Pawel Turcza, and TP~Zielinski.
\newblock Data processing tasks in wireless gi endoscopy: image-based capsule
  localization \& navigation and video compression.
\newblock In \emph{Engineering in Medicine and Biology Society, 2007. EMBS
  2007. 29th Annual International Conference of the IEEE}, pages 2815--2818.
  IEEE, 2007.

\bibitem[Fischer et~al.(2001)Fischer, Shreiber, Meron, Frisch, Jacob,
  Glukhovsky, and Engel]{fischer2001localization}
Doron Fischer, Reuvert Shreiber, G~Meron, M~Frisch, H~Jacob, A~Glukhovsky, and
  A~Engel.
\newblock Localization of the wireless capsule endoscope in its passage through
  the gi tract.
\newblock In \emph{Gastrointestinal Endoscopy}, volume~53, pages AB126--AB126.
  MOSBY, INC 11830 WESTLINE INDUSTRIAL DR, ST LOUIS, MO 63146-3318 USA, 2001.

\bibitem[Fischer et~al.(2004)Fischer, Schreiber, Levi, and
  Eliakim]{fischer2004capsule}
Doron Fischer, Reuven Schreiber, Daphna Levi, and Rami Eliakim.
\newblock Capsule endoscopy: the localization system.
\newblock \emph{Gastrointestinal endoscopy clinics of north america},
  14\penalty0 (1):\penalty0 25--31, 2004.

\bibitem[Shah et~al.(2006)Shah, Aziz, and Vaithianathan]{shah2006development}
Taimoor Shah, Syed~Mahfuzul Aziz, and Tharshan Vaithianathan.
\newblock Development of a tracking algorithm for an in-vivo rf capsule
  prototype.
\newblock In \emph{Electrical and Computer Engineering, 2006. ICECE'06.
  International Conference on}, pages 173--176. IEEE, 2006.

\bibitem[Wang et~al.(2009)Wang, Hu, Tian, Li, and Meng]{wang2009novel}
Lujia Wang, Chao Hu, Longqiang Tian, Mao Li, and MQ-H Meng.
\newblock A novel radio propagation radiation model for location of the capsule
  in gi tract.
\newblock In \emph{Robotics and Biomimetics (ROBIO), 2009 IEEE International
  Conference on}, pages 2332--2337. IEEE, 2009.

\bibitem[Zhang et~al.(2010)Zhang, Zhu, Mo, Hou, and Rong]{zhang2010design}
Le~Zhang, Yongxin Zhu, Tingting Mo, Jinlong Hou, and Guoguang Rong.
\newblock Design and implementation of 3d positioning algorithms based on rf
  signal radiation patterns for in vivo micro-robot.
\newblock In \emph{Body Sensor Networks (BSN), 2010 International Conference
  on}, pages 255--260. IEEE, 2010.

\bibitem[Yu et~al.(2009)Yu, Sharp, and Guo]{yu2009ground}
Kegen Yu, Ian Sharp, and Y~Jay Guo.
\newblock \emph{Ground-based wireless positioning}, volume~5.
\newblock John Wiley \& Sons, 2009.

\bibitem[Pandey and Agrawal(2006)]{pandey2006survey}
Santosh Pandey and Prathima Agrawal.
\newblock A survey on localization techniques for wireless networks.
\newblock \emph{Journal of the Chinese Institute of Engineers}, 29\penalty0
  (7):\penalty0 1125--1148, 2006.

\bibitem[Pahlavan and Krishnamurthy(2009)]{pahlavan2009networking}
Kaveh Pahlavan and Prashant Krishnamurthy.
\newblock \emph{Networking fundamentals: wide, local and personal area
  communications}.
\newblock John Wiley \& Sons, 2009.

\bibitem[Pahlavan and Krishnamurthy(2013)]{pahlavan2013principles}
Kaveh Pahlavan and Prashant Krishnamurthy.
\newblock \emph{Principles of Wireless Access and Localization}.
\newblock John Wiley \& Sons, 2013.

\bibitem[Bulusu et~al.(2000)Bulusu, Heidemann, and Estrin]{bulusu2000gps}
Nirupama Bulusu, John Heidemann, and Deborah Estrin.
\newblock Gps-less low-cost outdoor localization for very small devices.
\newblock \emph{Personal Communications, IEEE}, 7\penalty0 (5):\penalty0
  28--34, 2000.

\bibitem[Chan et~al.(2006)Chan, Tsui, So, and Ching]{chan2006time}
Yiu-Tong Chan, Wing-Yue Tsui, Hing-Cheung So, and Pak-chung Ching.
\newblock Time-of-arrival based localization under nlos conditions.
\newblock \emph{Vehicular Technology, IEEE Transactions on}, 55\penalty0
  (1):\penalty0 17--24, 2006.

\bibitem[Pahlavan et~al.(2000)Pahlavan, Li, Ylianttila, Chana, and
  Latva-aho]{pahlavan2000overview}
Kaveh Pahlavan, Xinrong Li, Mika Ylianttila, Ranvir Chana, and Matti Latva-aho.
\newblock An overview of wireless indoor geolocation techniques and systems.
\newblock In \emph{Mobile and Wireless Communications Networks}, pages 1--13.
  Springer, 2000.

\bibitem[Fisher and Hasler(2012)]{fisher2012new}
Laurel~R Fisher and William~L Hasler.
\newblock New vision in video capsule endoscopy: current status and future
  directions.
\newblock \emph{Nature Reviews Gastroenterology and Hepatology}, 9\penalty0
  (7):\penalty0 392--405, 2012.

\bibitem[Arshak and Adepoju(2007)]{arshak2007adaptive}
Khalil Arshak and Francis Adepoju.
\newblock Adaptive linearized methods for tracking a moving telemetry capsule.
\newblock In \emph{Industrial Electronics, 2007. ISIE 2007. IEEE International
  Symposium on}, pages 2703--2708. IEEE, 2007.

\bibitem[Sayrafian-Pour et~al.(2009)Sayrafian-Pour, Yang, Hagedorn, Terrill,
  and Yazdandoost]{sayrafian2009statistical}
Kamran Sayrafian-Pour, Wen-Bin Yang, John Hagedorn, Judith Terrill, and
  Kamya~Yekeh Yazdandoost.
\newblock A statistical path loss model for medical implant communication
  channels.
\newblock In \emph{Personal, Indoor and Mobile Radio Communications, 2009 IEEE
  20th International Symposium on}, pages 2995--2999. IEEE, 2009.

\bibitem[He et~al.(2012)He, Geng, and Pahlavan]{he2012modeling}
Jie He, Yishuang Geng, and Kaveh Pahlavan.
\newblock Modeling indoor toa ranging error for body mounted sensors.
\newblock In \emph{Personal Indoor and Mobile Radio Communications (PIMRC),
  2012 IEEE 23rd International Symposium on}, pages 682--686. IEEE, 2012.

\bibitem[Geng et~al.(2013{\natexlab{b}})Geng, Wan, He, and
  Pahlavan]{geng2013empirical}
Yishuang Geng, Yadong Wan, Jie He, and Kaveh Pahlavan.
\newblock An empirical channel model for the effect of human body on ray
  tracing.
\newblock In \emph{Personal Indoor and Mobile Radio Communications (PIMRC),
  2013 IEEE 24th International Symposium on}, pages 47--52. IEEE,
  2013{\natexlab{b}}.

\bibitem[Geng(2013)]{geng2013modeling2}
Yishuang Geng.
\newblock \emph{Modeling of Time-of-arrival for CM4 Body Area Networks
  Channel}.
\newblock PhD thesis, Worcester Polytechnic Institute, 2013.

\bibitem[Fuller(2009)]{fuller2009tutorial}
Richard Fuller.
\newblock Tutorial on location determination by rf means.
\newblock In \emph{Mobile Entity Localization and Tracking in GPS-less
  Environnments}, pages 213--234. Springer, 2009.

\bibitem[{\c{C}}aml{\i}ca et~al.(2013){\c{C}}aml{\i}ca, Fidan, and
  Yavuz]{ccamlica2013implant}
Ahmet {\c{C}}aml{\i}ca, Bar{\i}{\c{s}} Fidan, and Mustafa Yavuz.
\newblock Implant localization in human body using adaptive least-squares based
  algorithm.
\newblock In \emph{ASME 2013 International Mechanical Engineering Congress and
  Exposition}, pages V03BT03A015--V03BT03A015. American Society of Mechanical
  Engineers, 2013.

\bibitem[Shen et~al.(2008)Shen, Zetik, and Thoma]{shen2008performance}
Guowei Shen, Rudolf Zetik, and Reiner~S Thoma.
\newblock Performance comparison of toa and tdoa based location estimation
  algorithms in los environment.
\newblock In \emph{Positioning, Navigation and Communication, 2008. WPNC 2008.
  5th Workshop on}, pages 71--78. IEEE, 2008.

\bibitem[Cheung et~al.(2004)Cheung, So, Ma, and Chan]{cheung2004least}
KW~Cheung, Hing-Cheung So, W-K Ma, and Yiu-Tong Chan.
\newblock Least squares algorithms for time-of-arrival-based mobile location.
\newblock \emph{Signal Processing, IEEE Transactions on}, 52\penalty0
  (4):\penalty0 1121--1130, 2004.

\bibitem[Ziskind and Wax(1988)]{ziskind1988maximum}
Ilan Ziskind and Mati Wax.
\newblock Maximum likelihood localization of multiple sources by alternating
  projection.
\newblock \emph{Acoustics, Speech and Signal Processing, IEEE Transactions on},
  36\penalty0 (10):\penalty0 1553--1560, 1988.

\bibitem[Chen et~al.(2002)Chen, Hudson, and Yao]{chen2002maximum}
Joe~C Chen, Ralph~E Hudson, and Kung Yao.
\newblock Maximum-likelihood source localization and unknown sensor location
  estimation for wideband signals in the near-field.
\newblock \emph{Signal Processing, IEEE Transactions on}, 50\penalty0
  (8):\penalty0 1843--1854, 2002.

\bibitem[Kuang and Shao(2006)]{kuang2006maximum}
Xinghong Kuang and Huihe Shao.
\newblock Maximum likelihood localization algorithm using wireless sensor
  networks.
\newblock In \emph{Innovative Computing, Information and Control, 2006.
  ICICIC'06. First International Conference on}, volume~3, pages 263--266.
  IEEE, 2006.

\bibitem[Cram{\'e}r(1999)]{cramer1999mathematical}
Harald Cram{\'e}r.
\newblock \emph{Mathematical methods of statistics}, volume~9.
\newblock Princeton university press, 1999.

\bibitem[Rao and Toutenburg(1995)]{rao1995linear}
Calyampudi~Radhakrishna Rao and Helge Toutenburg.
\newblock \emph{Linear models}.
\newblock Springer, 1995.

\bibitem[Patwari et~al.(2003)Patwari, Hero, Perkins, Correal, and
  O'dea]{patwari2003relative}
Neal Patwari, Alfred~O Hero, Matt Perkins, Neiyer~S Correal, and Robert~J
  O'dea.
\newblock Relative location estimation in wireless sensor networks.
\newblock \emph{Signal Processing, IEEE Transactions on}, 51\penalty0
  (8):\penalty0 2137--2148, 2003.

\bibitem[Patwari et~al.(2005)Patwari, Ash, Kyperountas, Hero, Moses, and
  Correal]{patwari2005locating}
Neal Patwari, Joshua~N Ash, Spyros Kyperountas, Alfred~O Hero, Randolph~L
  Moses, and Neiyer~S Correal.
\newblock Locating the nodes: cooperative localization in wireless sensor
  networks.
\newblock \emph{Signal Processing Magazine, IEEE}, 22\penalty0 (4):\penalty0
  54--69, 2005.

\bibitem[Spyrou and Iakovidis(2014)]{spyrou2014video}
Evaggelos Spyrou and Dimitris~K Iakovidis.
\newblock Video-based measurements for wireless capsule endoscope tracking.
\newblock \emph{Measurement Science and Technology}, 25\penalty0 (1):\penalty0
  015002, 2014.

\bibitem[Cave et~al.(2007)Cave, Fleischer, Gostout, Faigel, Leighton, Heigh,
  Sharma, Mergener, Bhattacharya, Rajan, et~al.]{cave2007multi}
David~R Cave, David~E Fleischer, Christopher~J Gostout, Douglas~O Faigel,
  Jonathan~A Leighton, Russell~I Heigh, Virender~K Sharma, Klaus Mergener,
  Knishka Bhattacharya, Elizabeth Rajan, et~al.
\newblock A multi-center randomized comparison of the endocapsule: Olympus inc
  and the pillcam sb: Given imaging in patients with obscure gi bleeding.
\newblock \emph{Gastrointestinal Endoscopy}, 65\penalty0 (5):\penalty0 AB125,
  2007.

\bibitem[Fort et~al.(2006)Fort, Desset, De~Doncker, Wambacq, and
  Van~Biesen]{fort2006ultra}
Andrew Fort, Claude Desset, Philippe De~Doncker, Piet Wambacq, and Leo
  Van~Biesen.
\newblock An ultra-wideband body area propagation channel model-from statistics
  to implementation.
\newblock \emph{Microwave Theory and Techniques, IEEE Transactions on},
  54\penalty0 (4):\penalty0 1820--1826, 2006.

\bibitem[Ryckaert et~al.(2004)Ryckaert, De~Doncker, Meys, de~Le~Hoye, and
  Donnay]{ryckaert2004channel}
Julien Ryckaert, Philippe De~Doncker, Ren{\'e} Meys, Arnaud de~Le~Hoye, and
  Sophie Donnay.
\newblock Channel model for wireless communication around human body.
\newblock \emph{Electronics letters}, 40\penalty0 (9):\penalty0 543--544, 2004.

\bibitem[Bao and Pahlavan(2013)]{guanqunsvm}
Guanqun Bao and Kaveh Pahlavan.
\newblock Motion estimation of the endoscopy capsule using region-based kernel
  svm classifier.
\newblock \emph{accepted by 2013 IEEE International conference on Electro
  Information Technology}, 2013.

\bibitem[Bao et~al.(2012)Bao, Ye, Khan, Zheng, and Pahlavan]{baomodeling}
Guanqun Bao, Yunxing Ye, Umair Khan, Xin Zheng, and Kaveh Pahlavan.
\newblock Modeling of the movement of the endoscopy capsule inside gi tract
  based on the captured endoscopic images.
\newblock In \emph{Modeling, Simulation and Visualization Methods, The 2012
  International Conference on}, 2012.

\bibitem[Ye et~al.(2011)Ye, Khan, Alsindi, Fu, and Pahlavan]{ye2011accuracy}
Yunxing Ye, Umair Khan, Nayef Alsindi, Ruijun Fu, and Kaveh Pahlavan.
\newblock On the accuracy of rf positioning in multi-capsule endoscopy.
\newblock In \emph{Personal Indoor and Mobile Radio Communications (PIMRC),
  2011 IEEE 22nd International Symposium on}, pages 2173--2177. IEEE, 2011.

\bibitem[Jetto et~al.(1999)Jetto, Longhi, and Venturini]{jetto1999development}
Leopoldo Jetto, Sauro Longhi, and Giuseppe Venturini.
\newblock Development and experimental validation of an adaptive extended
  kalman filter for the localization of mobile robots.
\newblock \emph{Robotics and Automation, IEEE Transactions on}, 15\penalty0
  (2):\penalty0 219--229, 1999.

\bibitem[Howard(2006)]{howard2006multi}
Andrew Howard.
\newblock Multi-robot simultaneous localization and mapping using particle
  filters.
\newblock \emph{The International Journal of Robotics Research}, 25\penalty0
  (12):\penalty0 1243--1256, 2006.

\bibitem[Silveira et~al.(2008)Silveira, Malis, and
  Rives]{silveira2008efficient}
Geraldo Silveira, Ezio Malis, and Patrick Rives.
\newblock An efficient direct approach to visual slam.
\newblock \emph{Robotics, IEEE Transactions on}, 24\penalty0 (5):\penalty0
  969--979, 2008.

\bibitem[Castellanos et~al.(2001)Castellanos, Neira, and
  Tard{\'o}s]{castellanos2001multisensor}
Jos{\'e}~A Castellanos, Jos{\'e} Neira, and Juan~D Tard{\'o}s.
\newblock Multisensor fusion for simultaneous localization and map building.
\newblock \emph{Robotics and Automation, IEEE Transactions on}, 17\penalty0
  (6):\penalty0 908--914, 2001.

\bibitem[Davison and Murray(2002)]{davison2002simultaneous}
Andrew~J Davison and David~W Murray.
\newblock Simultaneous localization and map-building using active vision.
\newblock \emph{Pattern Analysis and Machine Intelligence, IEEE Transactions
  on}, 24\penalty0 (7):\penalty0 865--880, 2002.

\bibitem[Poh et~al.(2010)Poh, Htwe, Li, Shen, Liu, Lim, Chan, and
  Tan]{poh2010multi}
Chee~Khun Poh, That~Mon Htwe, Liyuan Li, Weijia Shen, Jiang Liu, Joo~Hwee Lim,
  Kap~Luk Chan, and Ping~Chun Tan.
\newblock Multi-level local feature classification for bleeding detection in
  wireless capsule endoscopy images.
\newblock In \emph{Cybernetics and Intelligent Systems (CIS), 2010 IEEE
  Conference on}, pages 76--81. IEEE, 2010.

\bibitem[Nock and Nielsen(2004)]{nock2004statistical}
Richard Nock and Frank Nielsen.
\newblock Statistical region merging.
\newblock \emph{Pattern Analysis and Machine Intelligence, IEEE Transactions
  on}, 26\penalty0 (11):\penalty0 1452--1458, 2004.

\bibitem[Suykens and Vandewalle(1999)]{suykens1999least}
Johan~AK Suykens and Joos Vandewalle.
\newblock Least squares support vector machine classifiers.
\newblock \emph{Neural processing letters}, 9\penalty0 (3):\penalty0 293--300,
  1999.

\bibitem[Morel and Yu(2009)]{morel2009asift}
Jean-Michel Morel and Guoshen Yu.
\newblock Asift: A new framework for fully affine invariant image comparison.
\newblock \emph{SIAM Journal on Imaging Sciences}, 2\penalty0 (2):\penalty0
  438--469, 2009.

\bibitem[Tillo et~al.(2010)Tillo, Lim, Wang, Hang, and Qian]{tillo2010inverse}
Tammam Tillo, EngGee Lim, Zhao Wang, Jianwei Hang, and Rongqiang Qian.
\newblock Inverse projection of the wireless capsule endoscopy images.
\newblock In \emph{2010 International Conference on Biomedical Engineering and
  Computer Science (ICBECS)}. pp.1-4, 2010.

\bibitem[Sathyanarayana et~al.(2007)Sathyanarayana, Thambipillai, and
  Clarke]{sathyanarayana2007real}
Suchitra Sathyanarayana, Srikanthan Thambipillai, and Chris~T Clarke.
\newblock Real time tracking of camera motion through cylindrical passages.
\newblock In \emph{IEEE 15th International Conference on Digital Signal
  Processing}. pp.455-458, 2007.

\bibitem[De~Iorio et~al.(2009)De~Iorio, Malagelada, Azpiroz, Maluenda,
  Violanti, Igual, Vitri{\`a}, and Malagelada]{de2009intestinal}
F~De~Iorio, C~Malagelada, F~Azpiroz, M~Maluenda, C~Violanti, L~Igual,
  J~Vitri{\`a}, and J-r Malagelada.
\newblock Intestinal motor activity, endoluminal motion and transit.
\newblock \emph{Neurogastroenterology \& Motility}, 21\penalty0 (12):\penalty0
  1264--e119, 2009.

\bibitem[Schoofs et~al.(2006)Schoofs, Devi{\`e}re, and
  Van~Gossum]{schoofs2006pillcam}
Nathalie Schoofs, Jacques Devi{\`e}re, and Andr{\'e} Van~Gossum.
\newblock Pillcam colon capsule endoscopy compared with colonoscopy for
  colorectal tumor diagnosis: a prospective pilot study.
\newblock \emph{Endoscopy}, 38\penalty0 (10):\penalty0 971--977, 2006.

\bibitem[Spada et~al.(2011)Spada, Riccioni, Hassan, Petruzziello, Cesaro, and
  Costamagna]{spada2011pillcam}
Cristiano Spada, Maria~Elena Riccioni, Cesare Hassan, Lucio Petruzziello, Paola
  Cesaro, and Guido Costamagna.
\newblock Pillcam colon capsule endoscopy: a prospective, randomized trial
  comparing two regimens of preparation.
\newblock \emph{Journal of clinical gastroenterology}, 45\penalty0
  (2):\penalty0 119--124, 2011.

\bibitem[Li et~al.(2008)Li, Zhang, Chen, and Li]{li2008omom}
Chen-yi Li, Bing-ling Zhang, Chun-xiao Chen, and You-ming Li.
\newblock Omom capsule endoscopy in diagnosis of small bowel disease.
\newblock \emph{Journal of Zhejiang University SCIENCE B}, 9\penalty0
  (11):\penalty0 857--862, 2008.

\bibitem[France et~al.(2005)France, Lenoir, Angelidis, Meseure, Cani, Faure,
  and Chaillou]{france2005layered}
Laure France, Julien Lenoir, Alexis Angelidis, Philippe Meseure, M-P Cani,
  Fran{\c{c}}ois Faure, and Christophe Chaillou.
\newblock A layered model of a virtual human intestine for surgery simulation.
\newblock \emph{Medical image analysis}, 9\penalty0 (2):\penalty0 123--132,
  2005.

\bibitem[Pal{\'a}gyi and Kuba(1998)]{palagyi19983d}
K{\'a}lm{\'a}n Pal{\'a}gyi and Attila Kuba.
\newblock A 3d 6-subiteration thinning algorithm for extracting medial lines.
\newblock \emph{Pattern Recognition Letters}, 19\penalty0 (7):\penalty0
  613--627, 1998.

\bibitem[Seshamani et~al.(2006)Seshamani, Lau, and Hager]{seshamani2006real}
Sharmishtaa Seshamani, William Lau, and Gregory Hager.
\newblock Real-time endoscopic mosaicking.
\newblock In \emph{Medical Image Computing and Computer-Assisted
  Intervention--MICCAI 2006}, pages 355--363. Springer, 2006.

\bibitem[Szczypi{\'n}ski et~al.(2009)Szczypi{\'n}ski, Sriram, Sriram, Reddy,
  et~al.]{szczypinski2009model}
Piotr~M Szczypi{\'n}ski, Ram~D Sriram, Parupudi~VJ Sriram, D~Nageshwar Reddy,
  et~al.
\newblock A model of deformable rings for interpretation of wireless capsule
  endoscopic videos.
\newblock \emph{Medical Image Analysis}, 13\penalty0 (2):\penalty0 312, 2009.

\bibitem[Liu et~al.(2013)Liu, Chen, Khan, Alkandari, and
  Pahlavan]{liu2013wideband}
Zhuoran Liu, Jin Chen, Umair Khan, Bader Alkandari, and Kaveh Pahlavan.
\newblock Wideband characterization of rf propagation for toa localization of
  wireless video capsule endoscope inside small intestine.
\newblock In \emph{Personal Indoor and Mobile Radio Communications (PIMRC),
  2013 IEEE 24th International Symposium on}, pages 326--331. IEEE, 2013.

\bibitem[Swar et~al.(2012)Swar, Pahlavan, and Khan]{swar2012accuracy}
Pranay Swar, Kaveh Pahlavan, and Umair Khan.
\newblock Accuracy of localization system inside human body using a fast fdtd
  simulation technique.
\newblock In \emph{Medical Information and Communication Technology (ISMICT),
  2012 6th International Symposium on}, pages 1--6. IEEE, 2012.

\bibitem[Chen et~al.(2013)Chen, Ye, and Pahlavan]{chen2013comparison}
Jin Chen, Yunxing Ye, and Kaveh Pahlavan.
\newblock Comparison of uwb and nb rf ranging measurements in homogenous tissue
  for ban applications.
\newblock In \emph{Wireless Telecommunications Symposium (WTS), 2013}, pages
  1--5. IEEE, 2013.

\bibitem[Zhang et~al.(2013)Zhang, Lim, Wang, Tillo, Man, and Wang]{zhang2013rf}
Meng Zhang, Eng~Gee Lim, Zhao Wang, Tammam Tillo, Ka~Lok Man, and Jing~Chen
  Wang.
\newblock Rf characteristics of wireless capsule endoscopy in human body.
\newblock In \emph{Grid and Pervasive Computing}, pages 700--706. Springer,
  2013.

\bibitem[Takizawa et~al.(2008)Takizawa, Aoyagi, Takada, Katayama, Yekeh,
  Yazdandoost, and Kobayashi]{takizawa2008channel}
Kenichi Takizawa, Takahiro Aoyagi, J-i Takada, Norihiko Katayama, Kamya Yekeh,
  KY~Yazdandoost, and T~Kobayashi.
\newblock Channel models for wireless body area networks.
\newblock In \emph{Engineering in Medicine and Biology Society, 2008. EMBS
  2008. 30th Annual International Conference of the IEEE}, pages 1549--1552.
  IEEE, 2008.

\bibitem[Lim et~al.(2013)Lim, Wang, Chen, Tillo, and Man]{lim2013investigation}
Eng~Gee Lim, Zhao Wang, Jin~Hui Chen, Tammam Tillo, and Ka~Lok Man.
\newblock Investigation of em wave propagation of the wireless capsule in human
  body.
\newblock In \emph{East-West Design \& Test Symposium, 2013}, pages 1--4. IEEE,
  2013.

\end{thebibliography}