المؤلفون: Lu, Xiangchen, Chen, Liang, Shen, Nan, Jiang, Jiahui, Dai, Yue, Chen, Ruizhi

المصدر: Urban Informatics; 1/15/2024, Vol. 3 Issue 1, p1-7, 7p

مصطلحات موضوعية: GLOBAL Positioning System, SMARTPHONES, STANDARD deviations, SUPINE position, KALMAN filtering, LOCATION-based services

المؤلفون: Wu, Yuan, Chen, Ruizhi, Fu, Wenju, Li, Wei, Zhou, Haitao, Guo, Guangyi

المصدر: Geo-Spatial Information Science; Sep2023, Vol. 26 Issue 3, p480-495, 16p

مصطلحات موضوعية: INDOOR positioning systems, WIRELESS Internet, MULTISENSOR data fusion, FLEXIBLE work arrangements, ARTIFICIAL pancreases, SMARTPHONES

المؤلفون: Xu, Shihao¹ shihao.xu@whu.edu.cn, Chen, Ruizhi¹ ruizhi.chen@whu.edu.cn, Guo, Guangyi¹ guangyi.guo@whu.edu.cn, Li, Zheng¹ lizhenglwf@whu.edu.cn, Qian, Long¹ lqian1995@whu.edu.cn, Ye, Feng¹ yefeng92@whu.edu.cn, Liu, Zuoya¹ zyliu0017@whu.edu.cn, Huang, Lixiong¹ lx.huang@whu.edu.cn

المصدر: IEEE Transactions on Industrial Electronics. Nov2022, Vol. 69 Issue 11, p11744-11754. 11p.

مصطلحات موضوعية: *TIME division multiple access, *INDOOR positioning systems, *SMARTPHONES, FLOOR plans, FREQUENCY division multiple access

المؤلفون: Yan, Ke¹ (AUTHOR) ke.yan@whu.edu.cn, Chen, Ruizhi¹ (AUTHOR) ruizhi.chen@whu.edu.cn, Guo, Guangyi¹ (AUTHOR), Chen, Liang¹ (AUTHOR)

المصدر: Remote Sensing. Jul2022, Vol. 14 Issue 14, pN.PAG-N.PAG. 16p.

مصطلحات موضوعية: *INDOOR positioning systems, *ACCELEROMETERS, *GLOBAL Positioning System, *SMARTPHONES, *WALKING speed

المؤلفون: Zhou, Yan, Zheng, Xianwei, Chen, Ruizhi, Xiong, Hanjiang, Guo, Sheng

المصدر: Sensors (14248220); Jan2018, Vol. 18 Issue 1, p258, 19p

مصطلحات موضوعية: INDOOR positioning systems, ESTIMATION theory, SMARTPHONES, DEAD reckoning (Navigation), INFORMATION processing

المؤلفون: Liu, Jingbin¹ jingbin.liu@fgi.fi, Chen, Ruizhi¹ ruizhi.chen@fgi.fi, Pei, Ling¹ ling.pei@fgi.fi, Guinness, Robert¹ robert.guinness@fgi.fi, Kuusniemi, Heidi¹ heidi.kuusniemi@fgi.fi

المصدر: Sensors (14248220). Dec2012, Vol. 12 Issue 12, p17208-17233. 26p. 2 Black and White Photographs, 4 Diagrams, 5 Charts, 6 Graphs.

مصطلحات موضوعية: *SMARTPHONES, *MOBILE communication systems, *LOCATION-based services, *SIGNAL processing, *HIDDEN Markov models, *ALGORITHMS

المؤلفون: Li, Wei¹ (AUTHOR) 2019106190013@whu.edu.cn, Chen, Ruizhi^1,2 (AUTHOR) ruizhi.chen@whu.edu.cn, Yu, Yue¹ (AUTHOR) yue.yu@whu.edu.cn, Wu, Yuan¹ (AUTHOR) yuan.wu@whu.edu.cn, Zhou, Haitao¹ (AUTHOR) haitao.zhou@whu.edu.cn

المصدر: Measurement (02632241). Sep2021, Vol. 182, pN.PAG-N.PAG. 1p.

مصطلحات موضوعية: *PEDESTRIANS, *SMARTPHONES, *POSTURE, *KALMAN filtering, *ALGORITHMS

المؤلفون: Yang, Fan, Xiong, Jian, Liu, Jingbin, Wang, Changqing, Li, Zheng, Tong, Pengfei, Chen, Ruizhi

المصدر: Remote Sensing; 3/1/2019, Vol. 11 Issue 5, p566, 1p

مصطلحات موضوعية: HUMAN fingerprints, INDOOR positioning systems, SMARTPHONES, FEMTOCELLS, MOBILE communication systems

المؤلفون: Xiao, Aoran¹ xiaoaoran@whu.edu.cn, Chen, Ruizhi^1,2 ruizhi.chen@whu.edu.cn, Li, Deren^1,2 ruizhi.chen@whu.edu.cn, Chen, Yujin³ yujin.chen@whu.edu.cn, Wu, Dewen^1,2

المصدر: Sensors (14248220). 7/1/2018, Vol. 18 Issue 7, p2229. 1p.

مصطلحات موضوعية: *CAMERAS, *SMARTPHONES, *INDOOR positioning systems, *GLOBAL Positioning System, *ALGORITHMS, *COMPUTER vision