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This paper details the FPGA implementation methodology for Convolutional Spiking Neural Networks (CSNN) and applies this methodology to low-power radioisotope identification using high-resolution data. Power consumption of 75 mW has been…

信号处理 · 电气工程与系统科学 2021-02-26 Xiaoyu Huang , Edward Jones , Siru Zhang , Shouyu Xie , Steve Furber , Yannis Goulermas , Edward Marsden , Ian Baistow , Srinjoy Mitra , Alister Hamilton

This paper presents a novel LoRa (Long Range) receiver operating in frequency selective Multi-Path Channel (MPC). The dechirped received LoRa wave-forms under MPC allows us to derive a simple and efficient LoRa receiver scheme by using a MF…

信号处理 · 电气工程与系统科学 2022-03-22 Clement Demeslay , Philippe Rostaing , Roland Gautier

Autoregressive convolutional neural networks (CNNs) have been widely exploited for sequence generation tasks such as audio synthesis, language modeling and neural machine translation. WaveNet is a deep autoregressive CNN composed of several…

音频与语音处理 · 电气工程与系统科学 2020-02-13 Shehzeen Hussain , Mojan Javaheripi , Paarth Neekhara , Ryan Kastner , Farinaz Koushanfar

The coexistence of heterogeneous cellular standards (2G-5G) in shared spectrum demands sophisticated RF source separation techniques, yet no public dataset exists for data-driven research on this problem. We present RFSS (RF Signal Source…

信号处理 · 电气工程与系统科学 2026-04-02 Hao Chen , Rui Jin , Dayuan Tan

Being an effective non-orthogonal multiple access (NOMA) technique, sparse code multiple access (SCMA) is promising for future wireless communication. Compared with orthogonal techniques, SCMA enjoys higher overloading tolerance and lower…

信息论 · 计算机科学 2018-04-03 Chuan Zhang , Chao Yang , Wei Xu , Shunqing Zhang , Zaichen Zhang , Xiaohu You

Rendering dynamic reverberation in a complicated acoustic space for moving sources and listeners is challenging but crucial for enhancing user immersion in extended-reality (XR) applications. Capturing spatially varying room impulse…

音频与语音处理 · 电气工程与系统科学 2026-02-10 Orchisama Das , Gloria Dal Santo , Sebastian J. Schlecht , Vesa Valimaki , Zoran Cvetkovic

Radio interferometers provide the means to perform the wide-field-of-view (FoV), high-sensitivity observations required for modern radio surveys. As computing power per cost has decreased, there has been a move towards larger arrays of…

Frequency spectrum is one of the valuable resources in wireless communications. Using cognitive radio, spectrum efficiency will increase by making use of the spectrum holes. Dynamic Spectrum Access techniques allows secondary users to…

网络与互联网体系结构 · 计算机科学 2014-12-18 Medhat H. M. Elsayed , Amr A. El-Sherif , Amr Mohamed

We show that to lower the sampling rate in a spread spectrum communication system using Direct Sequence Spread Spectrum (DSSS), compressive signal processing can be applied to demodulate the received signal. This may lead to a decrease in…

信息论 · 计算机科学 2012-10-11 Karsten Fyhn , Thomas Arildsen , Torben Larsen , Søren Holdt Jensen

The Delay Line Distribution System (DLDS) is an alternative to conventional pulse compression, which enhances the peak power of rf sources while matching the long pulse of those sources to the shorter filling time of accelerator structures.…

加速器物理 · 物理学 2009-11-07 S. G. Tantawi , C. Nantista , N. Kroll , Z. Li , R. Miller , R. Ruth , P. Wilson , J. Neilson

In this paper, we investigate video signal transmission through an FPGA-based free-space optical (FSO) communication system prototype. We use a channel emulator that models the turbulence, scintillation, and power attenuation of the FSO…

网络与互联网体系结构 · 计算机科学 2020-05-15 Hong-Bae Jeon , Hyung-Joo Moon , Soo-Min Kim , Do-Hoon Kwon , Joon-Woo Lee , Sang-Kook Han , Chan-Byoung Chae

Semantic communications are expected to enable the more effective delivery of meaning rather than a precise transfer of symbols. In this paper, we propose an end-to-end deep neural network-based architecture for image transmission and…

信号处理 · 电气工程与系统科学 2026-04-29 Hanju Yoo , Taehun Jung , Linglong Dai , Songkuk Kim , Chan-Byoung Chae

Nowadays, shallow and deep Neural Networks (NNs) have vast applications including biomedical engineering, image processing, computer vision, and speech recognition. Many researchers have developed hardware accelerators including…

硬件体系结构 · 计算机科学 2021-05-18 Amir-Hossein Kiamarzi , Pezhman Torabi , Reza Sameni

Electronic systems for qubit control and measurement serve as a bridge between quantum programming language and quantum information processors. With the rapid development of superconducting quantum circuit (SQC) technology, synchronization…

In this paper, a neural network based real-time speech recognition (SR) system is developed using an FPGA for very low-power operation. The implemented system employs two recurrent neural networks (RNNs); one is a speech-to-character RNN…

计算与语言 · 计算机科学 2016-10-04 Minjae Lee , Kyuyeon Hwang , Jinhwan Park , Sungwook Choi , Sungho Shin , Wonyong Sung

Power-spectrum analysis is an important tool providing critical information about a signal. The range of applications includes communication-systems to DNA-sequencing. If there is interference present on a transmitted signal, it could be…

天体物理仪器与方法 · 物理学 2015-03-18 Yogindra Abhyankar , Sajish C. , Yogesh Agarwal , C. R. Subrahmanya , Peeyush Prasad

We demonstrate a real-time implementation of multi-target detection and tracking using 5G New Radio (NR) physical downlink shared channel (PDSCH) waveform with 400 MHz bandwidth at 28 GHz carrier frequency. The hardware platform is built on…

This paper investigates the impact of array switching patterns on the accuracy of parameter estimation of multipath components for a time division multiplexed (TDM) channel sounder. To measure fast time-varying channels, the conventional…

信号处理 · 电气工程与系统科学 2018-05-18 Rui Wang , Olivier Renaudin , C. Umit Bas , Seun Sangodoyin , Andreas F. Molisch

In this paper, we conduct wireless channel measurements in indoor corridor scenarios at 2.4, 5 and 6 GHz bands with bandwidth of 320 MHz. The measurement results of channel characteristics at different frequency bands such as average power…

信号处理 · 电气工程与系统科学 2021-08-17 Zihao Zhou , Li Zhang , Xinyue Chen , Cheng-Xiang Wang , Jie Huang

Cold atom interferometers have matured to a powerful tool in fundamental physics research, and they are currently on their way from realizations in the laboratory to applications in the real world. The radio frequency (RF) generator is an…