SpecEES: Trusted Frequency-Agile Transceiver Architectures for Secure and Energy-Efficient Communication
SpecEES:用于安全和节能通信的可信频率捷变收发器架构
基本信息
- 批准号:1923359
- 负责人:
- 金额:$ 65.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-09-01 至 2019-10-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The increasing demand for wireless communication creates a spectrum shortage. Combining with beamforming and massive multiple-input-multiple-output (MIMO) technologies, a highly programmable software-defined radio (SDR) that enables wireless communications across multiple platforms can increase the efficiency of spectrum sharing among a multitude of users. However, the integrated high-resolution wideband MIMO transceivers would consume significant power to acquire and transmit complex signals with digital signal processing. Meanwhile, critical security challenges associated with spectrum sharing arise because the connection of wireless devices to networks represents new entry points for malicious attacks, such as jamming and eavesdropping. Wireless devices and sensors not under constant surveillance especially need comprehensive protection for secured spectrum sharing. Advanced encryption and coding schemes are computationally expensive and require wider bandwidths and higher carrier frequencies. This project proposes an ultra-low-power frequency-agile transceiver architecture that can be integrated with trusted MIMO systems to achieve dynamic spectrum access, manage harmful interference, and identify authorized devices. This research will have significant contributions and impacts to the society and nation in critical need of secured spectrum access and sharing among all users including underserved populations. In addition, the project will provide a unique opportunity to educate students of different levels (K-12, undergraduate, and graduate) on practical aspects of wireless communication systems' security and energy efficiency.The goal of this project is to develop a reconfigurable wideband MIMO system incorporating interference suppression, efficient beamforming, and embedded radio frequency (RF) signatures that can be applied to many types of wireless systems including short-range unlicensed communications and long-range licensed communications. For interference and noise mitigation, reconfigurable RF receivers using nonlinearity with adaptive amplitude folders will be developed to instantaneously push harmful jammers to higher frequencies while preserving the integrity of weak signals of interest. The project will use a programmable noise-shaping loop with embedded N-path filter banks to further suppress wideband interference, remove folded jammers, and achieve a scalable wide dynamic range over a large frequency spectrum while consuming ultra-low power. To achieve maximum programmability with minimum increase of power and area, combinatorial intrinsic device characteristics will be adopted as tuning elements to build filter banks and folders for rapid adaptation to a dynamic and unplanned electromagnetic environment. To achieve better power efficiency, frequency-agile power amplifiers (PAs) for N-path MIMO antenna array will be developed to maintain high power efficiency over the entire SDR bandwidth through the use of joint load-pulling and optionally discrete envelope tracking. The project will utilize inherent nonlinear functions and memory effects of power amplifiers to enable disruptive RF forensic fingerprinting science and technology. The time-varying RF fingerprint polling from the augmented PA nonlinearities and the RF signature identification through base-station post-distortion decoding will enhance the wireless communication security. These unique signatures of each device will make it difficult for adversaries to fake the signatures through precoding the data symbols.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.
对无线通信的日益增长的需求造成了频谱短缺。结合波束成形和大规模多输入多输出(MIMO)技术,高度可编程的软件定义无线电(SDR)可以实现跨多个平台的无线通信,从而提高众多用户之间的频谱共享效率。然而,集成的高分辨率宽带MIMO收发器将消耗大量的功率来采集和传输具有数字信号处理的复杂信号。与此同时,与频谱共享相关的关键安全挑战出现了,因为无线设备与网络的连接代表了恶意攻击(例如干扰和窃听)的新入口点。不受持续监控的无线设备和传感器尤其需要全面保护,以实现安全的频谱共享。高级加密和编码方案在计算上是昂贵的,并且需要更宽的带宽和更高的载波频率。该项目提出了一种超低功耗频率捷变收发器架构,可与可信MIMO系统集成,以实现动态频谱接入,管理有害干扰并识别授权设备。这项研究将对迫切需要安全频谱接入和所有用户(包括服务不足的人群)共享的社会和国家产生重大贡献和影响。此外,该项目将提供一个独特的机会,教育不同层次的学生(K-12,本科生和研究生)在无线通信系统的安全性和能源效率的实际方面。本项目的目标是开发一个可重构的宽带MIMO系统,结合干扰抑制,有效的波束成形,以及嵌入式射频(RF)签名,其可以应用于包括短距离未许可通信和长距离许可通信的许多类型的无线系统。为了减轻干扰和噪声,将开发使用具有自适应幅度折叠器的非线性的可重新配置的RF接收器,以将有害干扰机瞬时推到更高频率,同时保持感兴趣的弱信号的完整性。该项目将使用带有嵌入式N通道滤波器组的可编程噪声整形环路,以进一步抑制宽带干扰,消除折叠干扰,并在超低功耗的同时在大频谱上实现可扩展的宽动态范围。为了以最小的功率和面积增加实现最大的可编程性,将采用组合固有器件特性作为调谐元件,以构建滤波器组和折叠器,从而快速适应动态和无计划的电磁环境。为了实现更好的功率效率,将开发用于N通道MIMO天线阵列的频率捷变功率放大器(PA),以通过使用联合负载牵引和可选的离散包络跟踪来在整个SDR带宽上保持高功率效率。该项目将利用功率放大器固有的非线性功能和记忆效应,实现颠覆性的RF法医指纹科学和技术。增强PA非线性的时变RF指纹轮询和通过基站后失真解码的RF签名识别将增强无线通信的安全性。每个设备的这些独特签名将使对手难以通过预编码数据符号来伪造签名。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值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(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Vanessa Chen其他文献
Cancer cells are sensitive to wild-type IDH1 inhibition under nutrient limitation
营养限制下癌细胞对野生型 IDH1 抑制敏感
- DOI:
- 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
Ali Vaziri;J. Hue;Hallie Graor;Erin Prendergast;Vanessa Chen;J. Cassel;F. S. Mohammed;Ata Abbas;K. Dukleska;I. Khokhar;Omid Hajhassani;Mahsa Zarei;Rui Wang;L. Rothermel;I. Bederman;Jessica Browers;R. Getts;H. Brunengraber;J. Salvino;J. Brody;J. Winter - 通讯作者:
J. Winter
Matching patients with therapists in culturally diverse rehabilitation services during civil unrest
在内乱期间为患者与治疗师匹配不同文化的康复服务
- DOI:
10.1007/s10754-023-09359-8 - 发表时间:
2023 - 期刊:
- 影响因子:2.4
- 作者:
S. Kamenetsky;Vanessa Chen;E. Heled - 通讯作者:
E. Heled
Vanessa Chen的其他文献
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{{ truncateString('Vanessa Chen', 18)}}的其他基金
EAGER: SARE: Real-Time Learning and Countering of Side-Channel Emissions to Enable Secure RF and Analog Microelectronics
EAGER:SARE:实时学习和对抗侧信道发射,以实现安全的射频和模拟微电子学
- 批准号:
2028893 - 财政年份:2020
- 资助金额:
$ 65.5万 - 项目类别:
Standard Grant
CAREER: Bio-Inspired Sensory Interfaces Incorporating Embedded Classification and Encryption
职业:结合嵌入式分类和加密的仿生传感接口
- 批准号:
1846205 - 财政年份:2019
- 资助金额:
$ 65.5万 - 项目类别:
Continuing Grant
CAREER: Bio-Inspired Sensory Interfaces Incorporating Embedded Classification and Encryption
职业:结合嵌入式分类和加密的仿生传感接口
- 批准号:
1953801 - 财政年份:2019
- 资助金额:
$ 65.5万 - 项目类别:
Continuing Grant
SpecEES: Trusted Frequency-Agile Transceiver Architectures for Secure and Energy-Efficient Communication
SpecEES:用于安全和节能通信的可信频率捷变收发器架构
- 批准号:
1952907 - 财政年份:2019
- 资助金额:
$ 65.5万 - 项目类别:
Standard Grant
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