一个 6-9 GHz 1.28 Gbps 76 mW 振幅和同步时间转移键式 IR-UWB CMOS 收发器用于脑电脑接口
IEEE transactions on biomedical circuits and systems
|September 23, 2024
概括
这项研究介绍了用于脑计算机接口 (BCI) 的低功耗,高速脉冲无线电超宽带 (IR-UWB) 收发器. 它利用振幅和同步时移键 (ASTSK) 进行高效的数据传输,以最小的功耗实现1.28 Gbps.
科学领域:
- 电气工程 电气工程
- 生物医学工程 生物医学工程
- 无线通信无线通信
背景情况:
- 大脑计算机接口 (BCI) 需要高效,低功耗的无线收发器.
- 现有的超宽带 (UWB) 系统经常面临电力消耗和复杂性方面的挑战.
研究的目的:
- 专门为BCI应用提出一种新的低功耗,高速脉冲无线电超宽带 (IR-UWB) 收发器.
- 实施幅度和同步时间转移密钥 (ASTSK) 技术,以增强数据调制和降低功率.
主要方法:
- 开发了一个IR-UWB发射器 (Tx),用于ASTSK调制生成同步和数据脉冲.
- 设计了一个采用低功耗时间到数字转换器 (TDC) 和峰值探测器 (PD) 的接收器 (Rx),用于振幅调节.
- 集成了一个基于Tx的同步操作,以消除像Phase-Lock Loop (PLL) 这样的复杂时钟电路的需求.
主要成果:
- 在6-9 GHz频率范围内实现了1.28 Gbps的通信速度.
- 证明低功耗:发射器 (Tx) 的18mW,接收器 (Rx) 的58mW.
- 制造了一种完全集成的RF收发器原型,采用65nmCMOS技术.
结论:
- 拟议的ASTSK IR-UWB收发器为BCI中低功耗,高速无线通信提供了可行的解决方案.
- 该设计简化了时钟电路,有助于降低功耗和提高运营效率.
- 集成的收发器支持高阶调制,使其适应先进的BCI系统.
相关概念视频
Propagation Speed of Electromagnetic Waves
3.3K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.3K
MOSFET: Enhancement Mode
300
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
300
IR Frequency Region: Fingerprint Region
796
IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the...
796


