by Chan Yawen. / Thesis submitted in: September 12, 2005. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (leaves 57-64). / Abstracts in English and Chinese. / Acknowledgement --- p.ii / Abstract --- p.iv / 摘要 --- p.vii / Table of Contents --- p.ix / List of Figures --- p.xii / List of Tables --- p.xiv / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Diseases of the Gastrointestinal (GI) Tract --- p.1 / Chapter 1.2 --- Wireless Capsule Endoscopy --- p.2 / Chapter 1.3 --- Goals of My Research Project --- p.9 / Chapter Part I - --- Experimental Study to Determine the Frequency of Wireless Transmission --- p.11 / Chapter Chapter 2 --- Background --- p.11 / Chapter 2.1 --- Analog and Digital Wireless Video Transmission --- p.11 / Chapter 2.2 --- "Industrial, Scientific and Medical (ISM) Bands" --- p.11 / Chapter 2.3 --- Adsorption of RP Energy by Biological Tissue --- p.13 / Chapter 2.4 --- Frequency used by Implanted/Ingested Devices --- p.13 / Chapter 2.5 --- Incentives of using Higher Frequencies --- p.14 / Chapter 2.6 --- Radiation Efficiency from an Implanted/Ingested Source --- p.15 / Chapter Chapter 3 --- Material and Method --- p.18 / Chapter 3.1 --- Human Body Trunk Experimental Model --- p.18 / Chapter 3.2 --- Radiating and Receiving Antennas --- p.19 / Chapter 3.3 --- Experimental Procedures --- p.21 / Chapter Chapter 4 --- Results and Discussions --- p.23 / Chapter Chapter 5 --- Conclusions --- p.30 / Chapter Part II - --- Prototype Design and Implementation --- p.31 / Chapter Chapter 6 --- Background --- p.31 / Chapter 6.1 --- Prototype Overview --- p.31 / Chapter 6.2 --- Digital and Analog Cameras --- p.32 / Chapter 6.3 --- Digital and Analog Transmitters --- p.34 / Chapter Chapter 7 --- Possible Solutions --- p.38 / Chapter 7.1 --- Analog Camera + Analog Video Transmission --- p.38 / Chapter 7.2 --- Digital Camera + Analog Video Transmission --- p.38 / Chapter 7.3 --- Digital Camera + Digital Video Transmission using WLAN Technology --- p.40 / Chapter 7.4 --- Digital Camera + Digital Video Transmission with Video Compression --- p.42 / Chapter Chapter 8 --- Implementation of the Analog Camera + Analog Transmission Solution --- p.44 / Chapter 8.1 --- Circuit Implementation --- p.44 / Chapter 8.2 --- System Verification --- p.49 / Chapter 8.3 --- Conclusions --- p.51 / Chapter Chapter 9 --- Conclusions and Future Work --- p.53 / Chapter 9.1 --- General Conclusions --- p.53 / Chapter 9.2 --- Future Work --- p.55 / List of Abbreviations --- p.65