Wireless Machine-to-Machine Communication Networks

随着互联网迅速渗透到人们的日常生活中，随着机器对机器（M2M）通信的引入，无处不在的连接终于出现了，成千上万的嵌入式设备以无线方式连接并以协作和自主的方式运行。当大量设备联网时，它们提供了嵌入它们的物理世界的大量状态信息，并进一步将智能构建到广泛的基础设施中。智能电网、智能家居、智能交通、电子医疗、工业自动化、跟踪和物流等应用将通过机器对机器通信网络实现。M2M研究孵化了新的服务和应用，打开了大众市场和商业机会，同时改变了通信系统的定义和运行方式。所有主要的电信和网络公司都积极参与M2M的研究、产品开发和标准化。尽管M2M前景光明，但大规模市场的采用取决于M2M网络的关键挑战是否得到解决。能源效率和安全是两个最迫切需要解决的问题。从环境的角度来看，M2M网络带来的能源节约需要超过大量无线设备消耗的能源，以证明其使用的合理性。绿色通信对于M2M的部署至关重要。此外，任何网络的正常运行都需要安全，无处不在的M2M网络对安全提出了重大挑战。在本提案中，我们从以下几个方面着手M2M网络关键使能技术的设计：1)无线传播测量和建模；2)节点协作、资源管理、频谱管理；3)介质访问控制（MAC）；4)异构网络架构及跨层设计；5)安全;6)试验台开发。预期的结果将为无线M2M通信网络提供新颖的解决方案。

With the rapid penetration of Internet into people's daily life, ubiquitous connectivity is finally dawning with the introduction of machine-to-machine (M2M) communications where thousands of embedded devices are connected wirelessly and function in a cooperative and autonomous manner. When a massive number of devices are networked, they provide significant amounts of status information of the physical world in which they are embedded and further build intelligence into a broad range of infrastructures. Applications such as smart grid, smart home, intelligent transportation, e-health, industrial automation, tracking and logistics, will be enabled by machine-to-machine communication networks. M2M research incubates new services and applications that open a mass market and business opportunities, whilst transforming the way communication systems are defined and operate. All major telecommunications and networking companies are actively involved in M2M research, product development and standardization. Despite of the promising picture projected by M2M, mass market adoption is conditional on the fact that critical challenges of M2M networks are resolved. Energy efficiency and security are the two most compelling issues to address. From environmental perspectives, the energy savings brought by the M2M network need outweigh the energy consumed by the vast number of wireless devices to justify their usage. Green communications is essential to the deployment of M2M. Moreover, proper operation of any network needs security and the ubiquitous M2M network poses significant challenges on security. In this proposal, we approach the design of key enabling technologies for M2M networks from the following aspects: 1) Wireless propagation measurements and modeling; 2) Node cooperation, resource management and spectrum management; 3) Medium access control (MAC); 4) Heterogeneous network architecture and cross layer design; 5) Security; 6) Testbed development. The expected outcome will provide novel solutions to the wireless M2M communications network.