{"646247":{"#nid":"646247","#data":{"type":"event","title":"Ph.D. Dissertation Defense - Cheng Qi","body":[{"value":"\u003Cp\u003E\u003Cstrong\u003ETitle\u003C\/strong\u003E\u003Cem\u003E:\u0026nbsp; \u003C\/em\u003E\u003Cem\u003ELong-range Fine-scale RF Positioning Systems Using Tunneling Tags\u003C\/em\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ECommittee:\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Gregory Durgin, ECE, Chair , Advisor\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. David Taylor, ECE\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Ying Zhang, ECE\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Andrew Peterson, ECE\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Billy Kihei, KSU\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EAbstract: \u003C\/strong\u003EFine-scale positioning systems using inexpensive, low-power, and reliable smart tags enables numerous commercial and scientific applications. This dissertation proves that using the received signal phase (RSP)-based positioning method along with tunneling backscatter communication at 5.8 GHz breaks the range limit of fine-scale RFID localization. Experimental results yield a one-dimensional distance estimation error of less than 1% at ranges of 100 m when a clear line-of-sight (LoS) is available in indoor and outdoor environments. Experimental results also demonstrate that the RSP-based positioning technique allows estimating a mobile reader\u0026#39;s two-dimensional position with an average error of 0.17 m in an outdoor environment. A channel sounder is also implemented using the same hardware configuration, which further increases the accuracy in multipath environments. Calculation based on the system specifications projects a sub-meter level accuracy at ranges of 1000 m is feasible using the proposed method.\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Long-range Fine-scale RF Positioning Systems Using Tunneling Tags "}],"uid":"28475","created_gmt":"2021-04-08 16:04:49","changed_gmt":"2021-04-08 16:04:49","author":"Daniela Staiculescu","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2021-04-12T15:00:00-04:00","event_time_end":"2021-04-12T17:00:00-04:00","event_time_end_last":"2021-04-12T17:00:00-04:00","gmt_time_start":"2021-04-12 19:00:00","gmt_time_end":"2021-04-12 21:00:00","gmt_time_end_last":"2021-04-12 21:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"434381","name":"ECE Ph.D. Dissertation Defenses"}],"categories":[],"keywords":[{"id":"100811","name":"Phd Defense"},{"id":"1808","name":"graduate students"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1788","name":"Other\/Miscellaneous"}],"invited_audience":[{"id":"78771","name":"Public"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}