Yu-Jen Lai Wei-Hao Kuo Wan-Ting Chiu Shao-Ting Chang Hung-Yu Wei Accelerometer-assisted 802.11 rate adaptation on mass rapid transit system. 421-422 2010 SIGCOMM http://doi.acm.org/10.1145/1851182.1851241 conf/sigcomm/2010 db/conf/sigcomm/sigcomm2010.html#LaiKCCW10