2017.10中国联合网络通信有限公司ChinaUnicom中国联通车联网白皮书中国联通车联网白皮书(2017)1目录摘要............................................................................................................................................................................21车联网概述..........................................................................................................................................................31.1车联网概念及特征.................................................................................................................................................31.2车联网发展机遇与挑战..........................................................................................................................................32车联网业务愿景.................................................................................................................................................52.1车载信息生活......................