Realizing wireless networks with low complexity devices

用低复杂度设备实现无线网络

• 批准号: 327322-2011
• 负责人: Messier, Geoffrey
• 金额: $ 1.6万
• 依托单位: University of Calgary
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=571986
• 关键词: Realizing; wireless; networks; low; complexity

The goal of this research is to reduce the hardware and software complexity of implementing large scale, reliable wireless networks. The shrinking size of wireless devices is allowing wireless technology to be used for a host of new applications. These range from connecting on-body biomedical devices to networking sensors that can be aerially deployed in order to monitor and detect environmental disasters. The need to provide reliable wireless connectivity for these new applications is changing how wireless networks are designed. Wireless devices are being deployed in areas ranging from remote locations with no existing wireless infrastructure to very cluttered environments where wireless coverage is sporadic at best. One way to provide connectivity in these scenarios is to allow the wireless devices to form a multi-hop mesh network where nodes serve as relays for other nodes that otherwise would not have coverage. Even when a wireless connection does exist between a pair of devices, a relay node can be still added to improve link quality by repeating the source node signal using cooperative transmission. One of the barriers to realizing the benefits of relays and multi-hop networking is the cost and complexity introduced into the network. The focus of this research program is to directly address this complexity issue. At the device level, new cooperative transmission methods will be explored that significantly reduce the hardware cost and complexity of relay nodes. At the network level, optimization techniques will be used to minimize overall network cost by placing a minimal number of relay nodes in optimal locations. Finally, the complexity of the protocols used to route packets across a multi-hop mesh network will be reduced so that they are more suitable for simple processors.

本研究的目标是降低实现大规模，可靠的无线网络的硬件和软件的复杂性。 无线设备尺寸的缩小使得无线技术能够用于许多新的应用。 这些技术的范围从连接身体上的生物医学设备到可以在空中部署的网络传感器，以监测和检测环境灾害。 为这些新应用提供可靠无线连接的需求正在改变无线网络的设计方式。 无线设备正被部署在从没有现有无线基础设施的远程位置到无线覆盖最多是零星的非常混乱的环境的范围内。 在这些场景中提供连接性的一种方式是允许无线设备形成多跳网状网络，其中节点充当否则将不具有覆盖的其他节点的中继。 即使当在一对设备之间确实存在无线连接时，仍然可以添加中继节点，以通过使用协作传输来中继源节点信号来改善链路质量。 实现中继和多跳网络优势的障碍之一是引入网络的成本和复杂性。 该研究计划的重点是直接解决这一复杂性问题。 在设备级，将探索新的协作传输方法，显著降低中继节点的硬件成本和复杂性。 在网络层面，将使用优化技术，通过将最少数量的中继节点放置在最佳位置，来最大限度地减少网络的总成本。最后，用于在多跳网状网络上路由分组的协议的复杂性将被降低，使得它们更适合于简单的处理器。