{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T15:47:06Z","timestamp":1784216826940,"version":"3.55.0"},"publisher-location":"New York, NY, USA","reference-count":49,"publisher":"ACM","license":[{"start":{"date-parts":[[2016,9,12]],"date-time":"2016-09-12T00:00:00Z","timestamp":1473638400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"name":"National Key Research and Development Plan","award":["2016YFB1001200"],"award-info":[{"award-number":["2016YFB1001200"]}]},{"name":"NSFC","award":["61572048"],"award-info":[{"award-number":["61572048"]}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2016,9,12]]},"DOI":"10.1145\/2971648.2971658","type":"proceedings-article","created":{"date-parts":[[2016,9,9]],"date-time":"2016-09-09T14:28:57Z","timestamp":1473431337000},"page":"351-362","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":192,"title":["WiDir"],"prefix":"10.1145","author":[{"given":"Dan","family":"Wu","sequence":"first","affiliation":[{"name":"Ministry of Education, Beijing, China and Peking University, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daqing","family":"Zhang","sequence":"additional","affiliation":[{"name":"Ministry of Education, Beijing, China and Peking University, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chenren","family":"Xu","sequence":"additional","affiliation":[{"name":"Peking University, China ana Peking University, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yasha","family":"Wang","sequence":"additional","affiliation":[{"name":"Peking University, China and Peking University, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao","family":"Wang","sequence":"additional","affiliation":[{"name":"Ministry of Education, Beijing, China and Peking University, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2016,9,12]]},"reference":[{"key":"e_1_3_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1109\/WCNC.2013.6555311"},{"key":"e_1_3_2_1_2_1","volume-title":"Proc. of NSDI. USENIX.","author":"Adib Fadel","year":"2015"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.5772\/55896"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1145\/1925861.1925870"},{"key":"e_1_3_2_1_5_1","volume-title":"Dynamics of Civil Structures","author":"Hamilton JM"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/INFOCOM.2014.6847948"},{"key":"e_1_3_2_1_7_1","volume-title":"Zone Plate Lenses and Antennas","author":"Hristov Hristo D"},{"key":"e_1_3_2_1_8_1","first-page":"11n","article-title":"IEEE Standard for Information technology--Local and metropolitan area networks-- Specific requirements-- Part 11","volume":"802","author":"IEEE.","year":"2009","journal-title":"IEEE Std"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11390-014-1452-7"},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1109\/IECON.2014.7049320"},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.5555\/2602339.2602347"},{"key":"e_1_3_2_1_12_1","first-page":"0","article-title":"A step, stride and heading determination for the pedestrian navigation system","volume":"1","author":"Kim Jeong Won","year":"2004","journal-title":"Positioning"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1109\/TASSP.1976.1162830"},{"key":"e_1_3_2_1_14_1","volume-title":"Proc. of PerCom. IEEE.","author":"Kosba Ahmed E","year":"2012"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/2785956.2787487"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1145\/2370216.2370280"},{"key":"e_1_3_2_1_17_1","volume-title":"Proc. of PerCom. IEEE.","author":"Li Qinghua","year":"2013"},{"key":"e_1_3_2_1_18_1","volume-title":"Proc. of IPIN. Citeseer.","author":"Bitsch Link J\u00f3 \u00c1gila","year":"2011"},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1145\/2746285.2746303"},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1109\/RTSS.2014.30"},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1109\/78.782222"},{"key":"e_1_3_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.1145\/2632048.2632095"},{"key":"e_1_3_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSTSP.2013.2287473"},{"key":"e_1_3_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1145\/2500423.2500436"},{"key":"e_1_3_2_1_25_1","doi-asserted-by":"publisher","DOI":"10.1109\/PADSW.2014.7097784"},{"key":"e_1_3_2_1_26_1","volume-title":"Wireless Communications: Principles and Practice.","author":"Rappaport Theodore","year":"2001"},{"key":"e_1_3_2_1_27_1","doi-asserted-by":"publisher","DOI":"10.1109\/PERCOM.2015.7146519"},{"key":"e_1_3_2_1_28_1","doi-asserted-by":"publisher","DOI":"10.1145\/2594368.2594392"},{"key":"e_1_3_2_1_29_1","doi-asserted-by":"publisher","DOI":"10.1109\/MSP.2015.2496324"},{"key":"e_1_3_2_1_30_1","first-page":"111","article-title":"What is a Savitzky-Golay filter?{lecture notes}. Signal Processing Magazine","volume":"28","author":"Schafer Ronald W","year":"2011","journal-title":"IEEE"},{"key":"e_1_3_2_1_31_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP.2013.6637688"},{"key":"e_1_3_2_1_32_1","doi-asserted-by":"publisher","DOI":"10.1109\/VITAE.2014.6934458"},{"key":"e_1_3_2_1_33_1","doi-asserted-by":"publisher","DOI":"10.1145\/2639108.2639112"},{"key":"e_1_3_2_1_34_1","volume-title":"RT-Fall: A Real-time and Contactless Fall Detection System with Commodity WiFi Devices","author":"Wang Hao","year":"2016"},{"key":"e_1_3_2_1_35_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.comcom.2007.01.002"},{"key":"e_1_3_2_1_36_1","doi-asserted-by":"publisher","DOI":"10.1145\/2789168.2790093"},{"key":"e_1_3_2_1_37_1","doi-asserted-by":"publisher","DOI":"10.1145\/2639108.2639143"},{"key":"e_1_3_2_1_38_1","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2009.174"},{"key":"e_1_3_2_1_39_1","doi-asserted-by":"publisher","DOI":"10.1145\/1409635.1409651"},{"key":"e_1_3_2_1_40_1","doi-asserted-by":"publisher","DOI":"10.1109\/TPDS.2012.214"},{"key":"e_1_3_2_1_41_1","doi-asserted-by":"publisher","DOI":"10.1109\/INFOCOM.2014.6847958"},{"key":"e_1_3_2_1_42_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDCS.2013.49"},{"key":"e_1_3_2_1_43_1","doi-asserted-by":"publisher","DOI":"10.1145\/2789168.2790124"},{"key":"e_1_3_2_1_44_1","doi-asserted-by":"publisher","DOI":"10.1145\/2461381.2461394"},{"key":"e_1_3_2_1_45_1","volume-title":"Analog and digital signals and systems","author":"Rao Yarlagadda R.K."},{"key":"e_1_3_2_1_46_1","doi-asserted-by":"publisher","DOI":"10.1145\/1287853.1287880"},{"key":"e_1_3_2_1_47_1","doi-asserted-by":"publisher","DOI":"10.1109\/PERCOM.2007.8"},{"key":"e_1_3_2_1_48_1","volume-title":"Anti-fall: A non-intrusive and real-time fall detector leveraging CSI from commodity WiFi devices. In Proc","author":"Zhang Daqing","year":"2015"},{"key":"e_1_3_2_1_49_1","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2013.6567118"}],"event":{"name":"UbiComp '16: The 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","location":"Heidelberg Germany","acronym":"UbiComp '16","sponsor":["SIGMOBILE ACM Special Interest Group on Mobility of Systems, Users, Data and Computing","SIGCHI ACM Special Interest Group on Computer-Human Interaction"]},"container-title":["Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2971648.2971658","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2971648.2971658","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T03:50:04Z","timestamp":1750218604000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2971648.2971658"}},"subtitle":["walking direction estimation using wireless signals"],"short-title":[],"issued":{"date-parts":[[2016,9,12]]},"references-count":49,"alternative-id":["10.1145\/2971648.2971658","10.1145\/2971648"],"URL":"https:\/\/doi.org\/10.1145\/2971648.2971658","relation":{},"subject":[],"published":{"date-parts":[[2016,9,12]]},"assertion":[{"value":"2016-09-12","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}