@article{GUO Bo-ren:110, author = {[GUO Bo-ren, YANG Hong-wen, ZHANG Xin]}, title = {A Random Access Scheme Based on Sub-Preambles for IoT Systems}, publisher = {Journal of Beijing University of Posts and Telecommunications}, year = {2018}, journal = {Journal of Beijing University of Posts and Telecommunications}, volume = {41}, number = {5}, eid = {110}, pages = {110-114}, keywords = {internet of thing;random access;preamble collision;average delay;success ratio}, doi = https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2018-175 }