SpecEES:Switched-Capacitor Radiofrequency Signal Processing for Spectrally-Agile Low-Energy Wireless Transceivers
SpecEES:用于频谱捷变低能耗无线收发器的开关电容器射频信号处理
基本信息
- 批准号:1824442
- 负责人:
- 金额:$ 67.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-09-01 至 2023-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Over the past few decades, enabled by the advancements in computation and communication, the continued ease of information processing and access has had one of the most profound societal and global impacts. Starting around 1980s, every decade has seen a major improvement in wireless standards (1G in 1980s, 2G in 1990s, 3G in 2000s, and 4G in 2010s) each necessitating new infrastructure and supporting devices. The fifth-generation of wireless standards with the goals of improving the overall wireless capacity by 1000 times, improving the coverage, and reducing the latency is envisioned to be deployed within the next decade. On the other hand, the number of wirelessly connected devices is increasing exponentially under the internet of things (IoT) vision. Spectrum management, security assurance, and energy efficiency are key parameters to realize future wireless networks. The proposed research is focused on the design and experimental demonstrations of radio-frequency (RF) integrated circuits that can be realized in commercial semiconductor fabrication processes and enable energy-efficient spectrum-agile wireless communication transceivers. Energy-efficient secure wireless access is at the core of several Grand Challenges for Engineering that have been identified by the National Academy of Engineering (NAE) such as Advance Health Informatics, Restore and Improve Urban Infrastructure, Enhance Virtual Reality, and Advance Personalized Learning. This project will enable training the next-generation engineers and encouraging broader participation of young pre-college students to consider pursuing engineering and technology. The research results are expected to be transitioned to industry for commercialization and ultimately transform the curriculum.The energy efficiency of wireless transceivers, when dominated by noise, is dictated by the energy efficiency of transmitter (mainly power amplifier) and, when dominated by interferences, is dictated by the energy efficiency of receiver (mainly filters and local oscillator). In the conventional approach, the energy efficiency of the above circuits is directly related to the quality factor (Q) of the resonators and inductors used in the circuit. Spectrum agility requires RF transceiver circuits to be tunable across a wide frequency range. Unfortunately, compact high-Q tunable resonators and inductors do not exist in standard integrated circuit platforms. Consequently, the power consumption, size, and cost of a spectrum-agile RF transceiver would be increased by using the conventional approach. Recent research has demonstrated frequency-agile discrete-time (sampled), or more generally, periodic time varying, RF circuits, such as switched-capacitor filters and power amplifiers, that do not require high-Q tunable inductors or resonators. This project focuses on theory, design, and experimental verifications of discrete-time, periodic or quasi-periodic time varying RF signal processors with emphasis on spectrum agility and energy efficiency. Specific research directions include the following: energy-efficient and frequency-agile RF transmitters leveraging switched-capacitor power amplifiers with embedded filtering and driven by hybrid delta-sigma modulator; multi-input multi-output (MIMO) discrete-time RF signal processors; linear periodic or quasi-periodic time-varying network analysis with applications in reconfigurable RF filters and multiplexers; and energy-efficient, compact frequency synthesizers leveraging phase-noise and spur cancellation techniques in ring oscillator-based digital phase locked loops.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.
在过去的几十年里,由于计算和通信的进步,信息处理和访问的持续便利已经产生了最深刻的社会和全球影响之一。从20世纪80年代开始,每十年无线标准都会有重大改进(1G在20世纪80年代,2G在20世纪90年代,3G在2000年代,4G在2010年代),每一个都需要新的基础设施和支持设备。第五代无线标准的目标是将整体无线容量提高1000倍,改善覆盖范围并减少延迟,预计将在未来十年内部署。另一方面,在物联网(IoT)愿景下,无线连接设备的数量呈指数级增长。频谱管理、安全保障和能效是实现未来无线网络的关键参数。拟议的研究重点是射频(RF)集成电路的设计和实验演示,这些集成电路可以在商业半导体制造工艺中实现,并实现节能的频谱捷变无线通信收发器。节能安全的无线接入是美国国家工程院(NAE)确定的几项重大工程挑战的核心,如推进健康信息学、恢复和改善城市基础设施、增强虚拟现实和推进个性化学习。该项目将培养下一代工程师,并鼓励更广泛的年轻大学预科学生考虑追求工程和技术。无线收发器的能量效率在受噪声支配时由发射器(主要是功率放大器)的能量效率决定,在受干扰支配时由接收器(主要是滤波器和本振)的能量效率决定。在常规方法中,上述电路的能量效率与电路中使用的谐振器和电感器的品质因数(Q)直接相关。频谱敏捷性要求RF收发器电路在宽频率范围内可调谐。不幸的是,紧凑型高Q可调谐谐振器和电感器不存在于标准集成电路平台中。因此,频谱捷变RF收发器的功率消耗、尺寸和成本将通过使用常规方法而增加。最近的研究已经证明了频率捷变离散时间(采样)或更一般地周期性时变RF电路,例如开关电容滤波器和功率放大器,其不需要高Q可调谐电感器或谐振器。该项目的重点是离散时间,周期或准周期时变RF信号处理器的理论,设计和实验验证,重点是频谱灵活性和能源效率。具体的研究方向包括:利用具有嵌入式滤波器的开关电容功率放大器并由混合delta-sigma调制器驱动的节能和频率捷变RF发射机;多输入多输出(MIMO)离散时间RF信号处理器;线性周期或准周期时变网络分析及其在可重构RF滤波器和多路复用器中的应用;并且节能,利用环形振荡器中的相位噪声和杂散消除技术的紧凑型频率合成器-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进行评估,被认为值得支持的搜索.
项目成果
期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
4.1 A Watt-Level Phase-Interleaved Multi-Subharmonic Switching Digital Power Amplifier Achieving 31.4% Average Drain Efficiency
- DOI:10.1109/isscc.2019.8662511
- 发表时间:2019-02
- 期刊:
- 影响因子:0
- 作者:Aoyang Zhang;M. Chen
- 通讯作者:Aoyang Zhang;M. Chen
A Time-Approximation Filter for Direct RF Transmitter
用于直接射频发射机的时间逼近滤波器
- DOI:10.1109/jssc.2020.3036342
- 发表时间:2021
- 期刊:
- 影响因子:5.4
- 作者:Su, Shiyu;Chen, Mike Shuo-Wei
- 通讯作者:Chen, Mike Shuo-Wei
SAW-Less Direct RF Transmitter With Multimode Noise Shaping and Tri-Level Time-Approximation Filter
具有多模噪声整形和三级时间逼近滤波器的无 SAW 直接射频发射器
- DOI:10.1109/jssc.2021.3116933
- 发表时间:2022
- 期刊:
- 影响因子:5.4
- 作者:Su, Shiyu;Chen, Mike Shuo-Wei
- 通讯作者:Chen, Mike Shuo-Wei
Surface-Acoustic-Wave Waveguides for Radio Frequency Signal Processing
- DOI:10.1109/tmtt.2022.3222395
- 发表时间:2023-03
- 期刊:
- 影响因子:4.3
- 作者:Masashi Yamagata;N. Cao;D. John;H. Hashemi
- 通讯作者:Masashi Yamagata;N. Cao;D. John;H. Hashemi
A Watt-Level Phase-Interleaved Multi-Subharmonic Switching Digital Power Amplifier
- DOI:10.1109/jssc.2019.2944831
- 发表时间:2019-11
- 期刊:
- 影响因子:5.4
- 作者:Aoyang Zhang;M. Chen
- 通讯作者:Aoyang Zhang;M. Chen
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Hossein Hashemi其他文献
Characterization of gelatin-chitosan films incorporated with emNicotiana tabacum/em extract nanoliposomes for food packaging applications
含烟草(Nicotiana tabacum)提取物纳米脂质体的明胶 - 壳聚糖薄膜用于食品包装应用的特性研究
- DOI:
10.1016/j.ijbiomac.2025.143701 - 发表时间:
2025-06-01 - 期刊:
- 影响因子:8.500
- 作者:
Narges Sarraf-Ov;Farhang Hameed Awlqadr;Krekar Rasul Abdalla;Hossein Hashemi;Milad Rouhi;Reza Mohammadi;Behzad Ebrahimi - 通讯作者:
Behzad Ebrahimi
Light source independent linewidth reduction of lasers
与光源无关的激光器线宽减小
- DOI:
10.1364/ofc.2012.ow1g.6 - 发表时间:
2012 - 期刊:
- 影响因子:0
- 作者:
F. Aflatouni;Hossein Hashemi - 通讯作者:
Hossein Hashemi
Gelatin-Chitosan Based Composite Films Enriched with Satureja kermanshahensis Jamzad Essential Oil Nanoemulsion and Carbon Dots: Characterization and Functional Properties
- DOI:
10.1007/s10924-024-03476-2 - 发表时间:
2024-12-26 - 期刊:
- 影响因子:5.000
- 作者:
Hossein Hashemi;Behzad Ebrahimi;Farhang Hameed Awlqadr;Narges Sarraf Ov;Hadiseh Ebdali;Zahra Sarlak;Leila Bahrami;Reza Mohammadi - 通讯作者:
Reza Mohammadi
Drivers of salespeople engagement: A justice perspective
销售人员敬业度的驱动因素:正义视角
- DOI:
10.1016/j.indmarman.2023.11.005 - 发表时间:
2024 - 期刊:
- 影响因子:10.3
- 作者:
R. Rajabi;Thomas G. Brashear Alejandro;Hossein Hashemi - 通讯作者:
Hossein Hashemi
A novel implementation of pre-processing approaches and hybrid kernel-based model for short- and long-term groundwater drought forecasting
一种用于短期和长期地下水干旱预测的预处理方法和基于混合核的模型的新颖实现
- DOI:
10.1016/j.jhydrol.2025.132667 - 发表时间:
2025-05-01 - 期刊:
- 影响因子:6.300
- 作者:
Saman Shahnazi;Kiyoumars Roushangar;Hossein Hashemi - 通讯作者:
Hossein Hashemi
Hossein Hashemi的其他文献
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{{ truncateString('Hossein Hashemi', 18)}}的其他基金
SWIFT: Opportunistic mm-Wave Receivers
SWIFT:机会性毫米波接收器
- 批准号:
2229535 - 财政年份:2023
- 资助金额:
$ 67.5万 - 项目类别:
Standard Grant
CAREER:Integrated Nonlinear Dynamical Systems for Low-Phase-Noise
职业:低相位噪声的集成非线性动力系统
- 批准号:
0846482 - 财政年份:2009
- 资助金额:
$ 67.5万 - 项目类别:
Standard Grant
TCHCS: A Hybrid Integrated Bidirectional Transparent RF-Optical Interface for Heterogeneous Data Traffic
TCHCS:用于异构数据流量的混合集成双向透明射频光接口
- 批准号:
0636677 - 财政年份:2006
- 资助金额:
$ 67.5万 - 项目类别:
Standard Grant
Silicon Based Ultra Wideband (UWB) Integrated Antenna Arrays for High-Resolution Imaging
用于高分辨率成像的硅基超宽带 (UWB) 集成天线阵列
- 批准号:
0621874 - 财政年份:2006
- 资助金额:
$ 67.5万 - 项目类别:
Continuing Grant
ITR-(ASE+NHS)-(int): Concurrent Multi-Function Radios - Integrated System Realization of Wireless Networking for Heterogenous Environments
ITR-(ASE NHS)-(int):并发多功能无线电 - 异构环境无线网络的集成系统实现
- 批准号:
0427179 - 财政年份:2004
- 资助金额:
$ 67.5万 - 项目类别:
Standard Grant
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