引言物联网技术的发展使得互联网时代的“人与人”之间的网络逐渐演变成“物与物”之间的网络,网络规模不断扩大。物联网时代大量部署使用的传感器设备使得无论是人类还是机器都能够越来越精确地感知城市周围环境的变化并及时做出反馈。城市的智能化管理对城市基础设施的信息化管理提出了更高的要求,需要充分利用物联网技术对各 I. INTRODUCTION With the development of Internet of Things, the network between “people” in the Internet era has gradually evolved into a network between “things and things”, and the network has been expanding. The mass deployment of sensor devices in the Internet of Things era makes it possible for humans and machines to perceive changes in the city’s environment more and more accurately and to provide timely feedback. Urban intelligent management of urban infrastructure for information management put forward higher requirements, the need to make full use of Internet of Things technology for each