SBIR Phase I: Interference Mitigation for Broadband Wireless Backhaul Systems

SBIR 第一阶段：宽带无线回程系统的干扰抑制

• 批准号: 1520274
• 负责人: Yanhua Deng
• 金额: $ 15万
• 依托单位: Bascom Hunter Technologies
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2015
• 资助国家: 美国
• 起止时间: 2015-07-01 至 2015-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1520274&HistoricalAwards=false
• 关键词: SBIR; Phase; Interference; Mitigation; Broadband

The broader impact/commercial potential of this project is to enable wireless industry carriers and equipment providers with an affordable technology solution to meet the continuing explosive societal/customer demands for data access. The expected technical and commercial outcome from the project is an active interference mitigation capability with product features including a significantly improved quality of service, simplified network equipment design and installation, and reduced requirements for many components such as antenna and filters. This in turn will reduce the overall cost per data link, as well as reducing the size, weight, and power requirements of the system. It is projected that the cost per 80 MHz link with the active interference cancellation system for the wireless backhaul application will be approximately $2,000. At this cost value, the technology can be implemented into a variety of commercial applications including video surveillance, smart grid, and mobile data.This Small Business Innovation Research (SBIR) Phase I project provides a unique solution to the challenging interference problem in many wireless networks. This problem is particularly troublesome in the emergent market of the unlicensed 5GHz range for wireless backhaul systems. Unlike conventional radio frequency (RF) and digital interference mitigation or cancelation techniques, the proposed interference cancellation system (ICS) generates unmatched levels of cancellation by using analog signal processing with electro-optic components. The ICS is the key approach that can enable high quality of service in backhaul networks. Taking advantage of the already developed prototype, the proposed system configuration will be demonstrated with representative signal types and components. In addition, as an alternative to the off-the-shelf mechanical delay line, an interferometric based delay line will be investigated for faster tuning speed. Based on the investigations, the product design for backhaul application will be analyzed for commercialization. The anticipated key performance parameters of the product could provide maximum of 80 dB of cancellation over narrowband (10kHz) and 40 dB over broadband (80MHz) for co-site interference.

该项目的更广泛的影响/商业潜力是，通过负担得起的技术解决方案使无线行业运营商和设备提供商能够满足持续的爆炸性社会/客户对数据访问的需求。 该项目的预期技术和商业结果是一种积极的干扰能力，具有产品功能，包括明显改善的服务质量，简化的网络设备设计和安装，以及对许多组件（例如天线和过滤器）的需求减少。反过来，这将降低每个数据链接的总体成本，并减少系统的大小，重量和功率要求。预计，每80 MHz链接的成本与无线回程应用程序的主动干扰取消系统的成本约为2,000美元。以此成本价值，该技术可以实施到各种商业应用程序中，包括视频监视，智能电网和移动数据。本小型企业创新研究（SBIR）I阶段项目为许多无线网络中具有挑战性的干扰问题提供了独特的解决方案。在无线回程系统的未经许可的5GHz范围的新兴市场中，这个问题尤其麻烦。与传统的射频（RF）和数字干扰或取消技术不同，提议的干涉取消系统（ICS）通过将模拟信号处理与电用量组件一起使用模拟信号处理生成无与伦比的取消水平。 ICS是可以在回程网络中实现高质量服务的关键方法。利用已经开发的原型，将使用代表性的信号类型和组件来证明所提出的系统配置。此外，作为现成机械延迟线的替代方案，将研究基于干涉的延迟线，以提高调谐速度。根据调查，将分析用于商业化的回程应用产品设计。该产品的预期关键性能参数可在窄带（10kHz）上最多可提供80 dB的取消，而宽带（80MHz）可提供共同点干扰的40 dB。