Collaborative Research: Exploiting Upper Layer Spectrum Sensing and Directionality to Access the Hidden Available Spectrum
协作研究:利用上层频谱感知和方向性来访问隐藏的可用频谱
基本信息
- 批准号:2025284
- 负责人:
- 金额:$ 22万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-08-15 至 2024-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Cognitive radio has recently emerged as a promising technology to overcome the imbalance between the increase in spectrum access demand and the inefficiency in spectrum usage by allowing dynamic spectrum access. However, existing cognitive radio network research work is based on a number of conventional spectrum sensing and access mechanisms that suffer several drawbacks and are unable to exploit additional available spectrum opportunities. These conventional spectrum sensing mechanisms cannot differentiate primary user and secondary user signals effectively. They also cannot distinguish a primary user transmitter and receiver. In addition, conventional omnidirectional antenna-based spectrum access schemes cannot exploit the spatial spectrum availability to optimize the secondary user spectrum access capability. These drawbacks lead to spectrum resource waste and cannot be solved by physical-layer spectrum sensing and access techniques alone. Therefore, upper layer networking techniques are incorporated to solve these challenging problems. This research is potentially transformative as it will help generate innovative techniques to numerous applications of the cognitive radio technology, e.g., public safety networks, emergency networks, and health monitoring. It will also have significant impacts on research in emerging technologies with dynamic spectrum access, such as vehicular networks, mobile health, and opportunistic interconnections of heterogeneous wireless networks. The proposed designs can be applied to Internet-of-Things (IoT) with IoT devices efficiently accessing the wide spectrum. This project also integrates research findings into related graduate/undergraduate courses and diversity support.This project will have a significant impact on enhancing radio spectrum access. It aims at systematically investigating a novel spectrum sensing and access framework to discover and access additional available spectrum hidden from conventional spectrum sensing and access techniques in cognitive radio networks. In particular, this project consists of three major research tasks to achieve the goals of enhancing radio spectrum access: 1) network layer spectrum sensing scheduling to differentiate primary user and secondary user signals; 2) data link layer spectrum sensing to distinguish between a primary user transmitter and receiver; and (3) directional antenna-based spectrum access to proactively utilize the spatial spectrum opportunities, exploit the temporal and spatial channel availability, and obtain the optimal directional antenna sector angle.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
认知无线电作为一种很有前途的技术,通过允许动态频谱接入来克服频谱接入需求的增加和频谱利用效率低下之间的不平衡。然而,现有的认知无线电网络研究工作是基于一些传统的频谱感知和接入机制,这些机制存在一些缺陷,无法利用额外的可用频谱机会。这些传统的频谱感知机制不能有效区分主用户和次用户信号。它们也不能区分主用户发送器和接收器。此外,传统的基于全向天线的频谱接入方案不能充分利用空间频谱可用性来优化二次用户的频谱接入能力。这些缺点导致了频谱资源的浪费,仅靠物理层频谱感知和接入技术是解决不了的。因此,上层网络技术被用来解决这些具有挑战性的问题。这项研究具有潜在的变革性,因为它将有助于产生认知无线电技术的许多应用的创新技术,例如公共安全网络、应急网络和健康监测。它还将对具有动态频谱接入的新兴技术的研究产生重大影响,例如车载网络、移动医疗和异类无线网络的机会互连。所提出的设计可以应用于物联网(IoT)设备高效地接入宽带。该项目还将研究成果纳入相关的研究生/本科生课程和多样性支持。该项目将对加强无线电频谱接入产生重大影响。它旨在系统地研究一种新的频谱感知和接入框架,以发现和接入认知无线电网络中隐藏在传统频谱感知和接入技术之外的额外可用频谱。特别是,该项目包括三个主要研究任务,以实现增强无线电频谱接入的目标:1)网络层频谱感知调度,以区分主用户和次用户信号;2)数据链路层频谱感知,以区分主用户发射器和接收器;以及(3)基于定向天线的频谱接入,以主动利用空间频谱机会,利用时空信道可用性,并获得最佳定向天线扇区角度。该奖项反映了NSF的法定使命,并通过使用基金会的智力优势和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Acknowledgment Mechanisms for Reliable File Transfer Over Highly Asymmetric Deep-Space Channels
- DOI:10.1109/maes.2022.3192508
- 发表时间:2022-09
- 期刊:
- 影响因子:3.6
- 作者:Lei Yang;Ruhai Wang;Jie Liang;Yu Zhou;Kanglian Zhao;Xingya Liu
- 通讯作者:Lei Yang;Ruhai Wang;Jie Liang;Yu Zhou;Kanglian Zhao;Xingya Liu
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Jiang Linda Xie其他文献
Jiang Linda Xie的其他文献
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{{ truncateString('Jiang Linda Xie', 18)}}的其他基金
CNS Core: Small: Towards Seamless Mobility in Mobile Edge Computing Networks
CNS 核心:小型:迈向移动边缘计算网络的无缝移动性
- 批准号:
1910891 - 财政年份:2019
- 资助金额:
$ 22万 - 项目类别:
Standard Grant
CNS Core: Small: MAC Layer Failure Control and Avoidance in Cognitive Radio Networks
CNS 核心:小型:认知无线电网络中的 MAC 层故障控制和避免
- 批准号:
1910667 - 财政年份:2019
- 资助金额:
$ 22万 - 项目类别:
Standard Grant
SpecEES: Intelligent Energy Efficient Spectrum Access for Wireless IoT
SpecEES:无线物联网的智能节能频谱接入
- 批准号:
1731675 - 财政年份:2017
- 资助金额:
$ 22万 - 项目类别:
Standard Grant
NeTS: Small: Collaborative Research: Hierarchical Framework with Distributed Resource Allocation for Mobile Fog Computing
NeTS:小型:协作研究:移动雾计算的分布式资源分配分层框架
- 批准号:
1718666 - 财政年份:2017
- 资助金额:
$ 22万 - 项目类别:
Standard Grant
EARS: Accelerating Spectrum Access in Cognitive Radio Networks via Social Analysis of Secondary Users
EARS:通过二级用户的社会分析加速认知无线电网络中的频谱访问
- 批准号:
1343355 - 财政年份:2014
- 资助金额:
$ 22万 - 项目类别:
Standard Grant
NeTS: Small: Broadcast in Cognitive Radio Ad Hoc Networks
NeTS:小型:认知无线电自组织网络中的广播
- 批准号:
1218751 - 财政年份:2012
- 资助金额:
$ 22万 - 项目类别:
Standard Grant
NSF Travel Grant Support for IEEE International Conference on Computer Communications and Networks 2011 Conference
NSF 旅行补助金支持 IEEE 国际计算机通信和网络会议 2011 年会议
- 批准号:
1138988 - 财政年份:2011
- 资助金额:
$ 22万 - 项目类别:
Standard Grant
CAREER: Towards Seamless Mobility in Cognitive Radio Wireless Networks
职业:实现认知无线电无线网络的无缝移动
- 批准号:
0953644 - 财政年份:2010
- 资助金额:
$ 22万 - 项目类别:
Continuing Grant
NeTS: Small: Cross-layer Design for Seamless Mobility Support in Hybrid Wireless Mesh Networks
NeTS:小型:混合无线网状网络中无缝移动支持的跨层设计
- 批准号:
0915599 - 财政年份:2009
- 资助金额:
$ 22万 - 项目类别:
Standard Grant
II-NEW: Versatile Hardware Emulator for ISM-band Network Management
II-新:用于 ISM 频段网络管理的多功能硬件仿真器
- 批准号:
0855200 - 财政年份:2009
- 资助金额:
$ 22万 - 项目类别:
Standard Grant
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