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In this work, we aim to harvest energy from these leaked RF signals. We observe that surrounding objects could help harvest significantly more energy. Based on this observation, we design Bracelet+, which involves the human body as part of the antenna to increase the harvested energy. We prototype our antenna as a bracelet that achieves both high harvested power and convenience for wearing. Bracelet+ improves the average harvested energy by 10x more, achieving micro-watt power harvesting and having potential to power up ultra-low-power sensors such as temperature and glucose sensors.<\/jats:p>","DOI":"10.1145\/3631588.3631596","type":"journal-article","created":{"date-parts":[[2023,11,1]],"date-time":"2023-11-01T22:09:57Z","timestamp":1698876597000},"page":"23-26","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Bracelet +: Harvesting Leaked RF Energy in VLC with Body Antenna"],"prefix":"10.1145","volume":"27","author":[{"given":"Minhao","family":"Cui","sequence":"first","affiliation":[{"name":"University of Massachusetts Amherst, Amherst, MA, USA"}]},{"given":"Qing","family":"Wang","sequence":"additional","affiliation":[{"name":"Delft University of Technology, , Netherlands"}]},{"given":"Jie","family":"Xiong","sequence":"additional","affiliation":[{"name":"University of Massachusetts Amherst, Amherst, MA, USA"}]}],"member":"320","published-online":{"date-parts":[[2023,11]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"6G Flagship. 2019. 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