This thesis consists of material all of which I authored or co-authored: see Statement of Contributions included in the thesis. This is a true copy of the thesis, including any required nal revisions, as accepted by my examiners.I understand that my thesis may be made electronically available to the public.iii
Statement of ContributionsThis dissertation includes rst authored peer-reviewed materials that have appeared in journals and conference proceedings published by the Institute of Electrical and Electronics Engineers (IEEE). The IEEE's policy on reuse of published materials in a dissertation is as follows: "The IEEE does not require individuals working on a thesis to obtain a formal reuse license".The following list serves as a declaration of the Versions of Record for works included in this dissertation: