Ultra-Wideband Based Next-Generation Wireless Networking

网络的下一个爆炸性增长将来自于将数十亿个低成本、低功耗的传感器、效应器和智能设备连接在一起。出于移动性、易于部署、美观和成本的原因，这些将主要通过无线方式进行通信。即使这些网络最初是作为特殊目的的本地网络，人们预计它们将以多种方式结合在一起。它们肯定会通过网关与更广泛的有线互联网相互连接。 该项目的目标是找到合适的架构，以便在无线连接的新环境中实现类似互联网的收益。 为了使无线网络能够支持广泛的应用并适合大规模部署，它们将需要满足以下特性：（1）可以忽略的干扰，允许与在共享频谱上操作的其他独立无线系统和平共存;（2）管理节点之间的干扰，以有效和公平地共享带宽;（3）支持网络节点的移动性的动态和能量有效的路由和分组中继算法;（4）支持大量异构设备和链路的可扩展性;（5）为设备提供位置信息的精确定位能力，这对于设备是重要的;（6）鲁棒且能量高效的网络协议，其容忍某些网络节点的故障;（7）极低功率的无线收发器，以确保能量受限节点的寿命;以及（8）小且低成本的无线收发器，以实现广泛部署。 本建议是在超宽带（UWB）无线信令和多跳路由的背景下研究上述问题。研究旨在实现多个目标，开发（1）有效的算法，以确定跟踪异构节点网络中设备位置所涉及的基本权衡;（2）在此类网络中路由数字通信的鲁棒和有效的协议，并探索此类系统的基本容量限制;（3）分布式信号处理算法，其是网络能量和位置感知的，以利用应用层处的相关性来减少整个网络层级的资源消耗;（4）UWB收发器的极低功耗、高度集成的单芯片CMOS架构，以及（5）通过将内部基于FPGA的测试平台（作为数字后端）与来自AetherWire Inc.的UWB模拟前端相结合而形成的集成测试环境。这最终将有大约30个来自Aether Wire Inc.的UWB节点。以测试并因此进一步发现涉及此类网络的问题。

The next explosive growth in networks will come from connecting together billions of low cost, low power sensors, effectors, and smart devices. These will be communicating primarily through wireless means for reasons of mobility, ease of deployment, aesthetics, and cost. Even if such networks start out as special purpose local networks, people anticipate that they will come together in many ways. They will certainly be interconnected with each other through gateways to the broader wired Internet. The goal in this proposed project is to find the right architecture to enable Internet-like gains in the new context of wireless connectivity. In order for wireless networks to support a wide range of applications and be suitable for mass deployment, they will need to posses the following characteristics: (1) negligible interference that allows peaceful co-existence with other independent wireless systems operating over the shared spectrum; (2) managing interference between nodes to efficiently and fairly share bandwidth; (3) dynamic and energy efficient routing and packet relaying algorithms that support mobility of network nodes; (4) scalability to support a large number of heterogeneous devices and links; (5) precise positioning capabilities to provide location information for the devices for which this is important; (6) robust and energy efficient network protocols that tolerate failure of some network nodes; (7) extremely low power wireless transceivers to ensure longevity for the energy-limited nodes; and (8) small and low cost wireless transceivers to enable widespread deployment. This proposal is to study the above in the context of ultra-wideband (UWB) wireless signaling and multi-hop routing. Research is intended to achieve multiple objectives, Develop (1) Efficient algorithms to determine the fundamental tradeoffs involved in tracking the positions of devices within a network of heterogeneous nodes; (2) Robust and efficient protocols for routing digital communications within such networks and explore the fundamental capacity limits of such systems; (3) Distributed signal processing algorithms that are network-energy and position aware to take advantage of correlations at the application layer to reduce resource consumption throughout the network hierarchy; (4) Extremely low power, highly integrated single-chip CMOS architecture to UWB transceivers, and (5) An integrated test environment by combining an in-house FPGA-based testbed (as the digital back-end) with UWB analog front-end from AetherWire Inc. This will ultimately have approximately 30 UWB nodes from Aether Wire Inc. to test and therefore further discover issues involved with such networks.