MRI: Development of measurement and testing equipment for distributed wireless communications and localization systems and propagation channels

MRI：开发分布式无线通信和定位系统以及传播通道的测量和测试设备

• 批准号: 1126732
• 负责人: Andreas Molisch
• 金额: $ 50万
• 依托单位: University of Southern California
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-09-01 至 2016-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1126732&HistoricalAwards=false
• 关键词: MRI; Development; measurement; testing; equipment

Research Objectives and Approaches:The objective of this research is the development of measurement instrumentation that will enable (i) measurement of distributed wireless propagation channels with ultra-wide bandwidth and (ii) design, measurement and validation of distributed wireless systems for communications, localization, and radar. The instrumentation is thus intended to explore both the fundamental principles of distributed wireless propagation channels and systems, as well as to enable the development and testing of practical distributed wireless systems that go far beyond current systems. The approach is based on a combination of state-of-the array channel sounding with electro-optical signal conversion. By converting wideband microwave signals to optical signals, which are transmitted via optical fibers, widely separated antennas can be operated by a single high-precision signal source/receiver in a synchronized manner. Intellectual Merit:Firstly, the development activity will push the frontiers of electro-optical modulation. Secondly, the instrument enables many measurements that will for the first time answer some of the fundamental questions related to wireless propagation in distributed systems, such as the correlation of shadowing, delay spread, and angular spread at widely separated transmitters/receivers. Further intellectual merit is obtained from the use of these measurement results to stimulate and test novel theoretical ideas. Broader impact:Measurements with the developed instrumentation will help to enable novel applications of distributed wireless systems (many of which are ?Grand Challenges? defined by the National Academy), such as wireless health and remote monitoring of vital signs, distributed localization for emergency responders, high-efficiency video distribution systems, and many more.

研究目标和方法：这项研究的目的是开发测量仪器，该仪器将（i）具有超宽带宽分布式无线传播通道的测量以及（ii）设计，测量和验证分布式无线系统以进行通信，本地化和雷达。因此，该仪器旨在探索分布式无线传播渠道和系统的基本原理，以及能够开发和测试实用的分布式无线系统，这些无线系统远远超出了当前系统。该方法是基于最新阵列通道与电信号转换的组合。通过将宽带微波信号转换为通过光纤传输的光信号，可以通过同步的方式通过单个高精度信号源/接收器操作广泛分开的天线。智力优点：首先，发展活动将推动电流调制的前沿。其次，该仪器实现了许多测量值，这些测量将首次回答与分布式系统中无线传播有关的一些基本问题，例如在广泛分离的发射机/接收器/接收器上，阴影，延迟扩展和角度扩散的相关性。通过使用这些测量结果来刺激和测试新颖的理论思想，获得了进一步的智力优点。更广泛的影响：开发仪器的测量将有助于启用分布式无线系统的新应用（其中许多是巨大的挑战？由国家学院定义），例如无线健康和对生命体征的远程监控，为紧急响应者，高效效率视频分配系统等的分布式本地化。