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Signal Separation and Reconstruction Method for Simultaneously Received Multi-System Signals in a Unified Wireless System

Takayuki Yamada, Doohwan Lee, Hiroyuki Shiba, Yo Yamaguchi, Kazuhiro Uehara
2011 Proceedings of the 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications  
Using these values enables signals from received radio wave data to be separated and reconstructed for simultaneous multi-system reception.  ...  To address this problem, we propose a new signal separation and reconstruction method for spectrally overlapped signals.  ...  SIGNAL SEPARATION AND RECONSTRUCTION METHOD This section proposes a new signal separation method for signal processing, in which stored radio wave data is utilized for simultaneously received multi-system  ... 
doi:10.4108/icst.crowncom.2011.245899 dblp:conf/crowncom/YamadaLSYU11 fatcat:vauhudqqkvgmdetxdkc25idypa

Corticospinal signals recorded with MEAs can predict the volitional forearm forces in rats

Yi Guo, Sahin Mesut, Richard A. Foulds, Sergei V. Adamovich
2013 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)  
Forelimb forces, recorded with the sensor attached to the lever, were reconstructed using the hand position data and the neural signals through multiple trials over three weeks.  ...  Approximately 30 trials of at least 2 seconds were required for accurate model estimation. The maximum correlation coefficient between the actual and predicted force was 0.7 in the test set.  ...  Neural signals were amplified using a 30-channel wireless neural recording system (TBSI systems) and digitized by a National Instruments Board (PCI 6225).  ... 
doi:10.1109/embc.2013.6609918 pmid:24110105 pmcid:PMC4063445 fatcat:y2pge4jc2na6dmktfuh67c2v5u

MIMO OFDM Implementation in Cognitive Scenario

2016 International Journal of Science and Research (IJSR)  
Orthogonal frequency division multiplexing is a reliable and authentic transmission system for CR system which provides us with great amount of flexibility to fully utilized the spectrum in the active  ...  This paper presents a MIMO-OFDM structure in cognitive radio scenario, performance of proposed system is evaluated on the basis of Bit error rate (BER) and signal to noise ratio (SNR).  ...  in his paper "Layered Space-Time Architecture for Wireless Communication in a Fading Environment When Using Multi-Element Antennas" [3] .  ... 
doi:10.21275/v5i1.nov153151 fatcat:upt4jtlvg5bq3ccl6vlpk5ioza

THz ISAC: A Physical-Layer Perspective of Terahertz Integrated Sensing and Communication [article]

Chong Han, Yongzhi Wu, Zhi Chen, Yi Chen, Guangjian Wang
2022 arXiv   pre-print
Terahertz integrated sensing and communication (ISAC) is viewed as a game-changing technology to realize connected intelligence in 6G and beyond systems.  ...  Quantitative studies demonstrate the benefits and performance of the state-of-the-art signal processing methods. Finally, open problems and potential solutions are discussed.  ...  In addition, multiuser multiplexing in OTFS may result in multi-user interference and increase detection complexity, while time-frequency domain signal is multiuser interference-free, which enables flexible  ... 
arXiv:2209.03145v1 fatcat:ehm2x5qtbrfb7ggzttyoysmlpa

Shape adaptive IRS based SAG IoT network

Fei Qi, Wenjing Li, Peng Yu, Lei Feng, Fanqin Zhou
2021 EURASIP Journal on Wireless Communications and Networking  
The shape-adaptive IRS antenna described in this article is made of flexible materials, and the physical shape of the antenna can be changed according to different situations, and specific radiation beams  ...  And the effectiveness of the shape-adaptive IRS antenna technology has been proven in the simulation results.  ...  The signal neutralization capability can reduce intercell interference and multi-user interference and improve the SNR of received signals.  ... 
doi:10.1186/s13638-021-02069-0 fatcat:fzdud5anxrckhk3dfvaulplezq

A Comparison of Wireless Devices for Terahertz Imaging Applications

Camille Merlin S. Tan, Lawrence Materum
2021 North atlantic university union: International Journal of Circuits, Systems and Signal Processing  
This paper focuses on a comparative survey of the current methods applied in THz imaging in the field of medical and industrial security applications.  ...  Different types of methods, findings, advantages, and challenges of surveys ranging from 2016 to 2021 were discussed for both medical and industrial security applications to deepen the understanding of  ...  At the same time, the 16 receiver channels record the target scattering signal simultaneously by multi-channel ADC and digital signal processing module.  ... 
doi:10.46300/9106.2021.15.184 fatcat:ze3blsslrfgmbilzneulumkqse

Sparse Signal Processing Concepts for Efficient 5G System Design

Gerhard Wunder, Holger Boche, Thomas Strohmer, Peter Jung
2015 IEEE Access  
Signal sparsity and the associated rich collection of tools and algorithms will thus be a viable source for innovation in 5G wireless system design.  ...  Partly due to the advent of compressive sensing, methods that can optimally exploit sparsity in signals have received tremendous attention in recent years.  ...  Strohmer acknowledges partial support from the NSF via grant dtra-dms 1042939, and from DARPA via grant N66001-11-1-4090. P. Jung was supported by DFG-grant JU 2795/2-1.  ... 
doi:10.1109/access.2015.2407194 fatcat:g5bkjwwdorasfmsmnfngfkptdm

Ngara broadband access system for rural and regional areas

Iain B. Collings, Hajime Suzuki, David Robertson
2012 Telecommunications Journal of Australia  
Multi-user multiple-input multiple-output (MU-MIMO) systems have been proposed as a solution for increasing bandwidth efficiency in wireless networks.  ...  The system is in fact capable of providing 50 Mb/s symmetric broadband access for up to 12 simultaneous users over a 28 MHz channel from a single access point.  ...  We also thank Brad Lee, Daniel Hugo, Greg Timms, and John McCulloch for supporting the Smithton Field Demonstration.  ... 
doi:10.7790/tja.v62i1.281 fatcat:5e5iseqnnrg2pjgnjjz6omxxzu

mD-Track: Leveraging Multi-Dimensionality in Passive Indoor Wi-Fi Tracking [article]

Yaxiong Xie, Jie Xiong, Mo Li, Kyle Jamieson
2018 arXiv   pre-print
Wi-Fi localization and tracking face accuracy limitations dictated by antenna count (for angle-of-arrival methods) and frequency bandwidth (for time-of-arrival methods).  ...  We implement mD-Track on both WARP and cheap off-the-shelf commodity Wi-Fi hardware and evaluate its performance in different indoor environments.  ...  ACKNOWLEDGMENTS The authors would like to thank the anonymous reviewers and shepherd for their valuable comments and helpful suggestions. This work has been supported by Singapore MOE  ... 
arXiv:1812.03103v2 fatcat:rgyrzomb2zg4tkn26trwx4kyn4

A Carrierless Amplitude Phase (CAP) Modulation Format: Perspective and Prospect in Optical Transmission System

N. M. Ridzuan, M. F. L. Abdullah, M. B. Othman, M. B. Jaafar
2018 International Journal of Electrical and Computer Engineering (IJECE)  
The intriguing properties of CAP modulation format are reviewed as an attractive prospect in optical transmission system applications.  ...  Conventional advanced modulation format however, involves a degree of complexity and costly transmission system.  ...  flexibility in optical fiber systems [17] .  ... 
doi:10.11591/ijece.v8i1.pp585-595 fatcat:34zdc5otpbab7hvfleorc3xi24

BigEar: Ubiquitous Wireless Low-Budget Speech Capturing Interface

Stefano Gorla, Sara Comai, Andrea Masciadri, Fabio Salice
2017 Journal of Computer and Communications  
The speech recognition process implemented in BigEar system considers noise sources including possible holes in the reconstructed audio stream and tries to overcome them by means of inexactness toleration  ...  Key contribution of this work is the use of extremely low cost devices to realize a modular flexible and real-time wireless sensor network.  ...  Moreover, wireless systems can ensure a higher degree of flexibility and configurability than wired systems.  ... 
doi:10.4236/jcc.2017.54005 fatcat:bwkgacf6dfaalg5slpcftz5lb4

5G cellular: key enabling technologies and research challenges

Ekram Hossain, Monowar Hasan
2015 IEEE Instrumentation & Measurement Magazine  
and a provision for peer-to-peer (P2P) communication (e.g., device-to-device [D2D] and machine-to-machine [M2M] communication-enabled multi-tier heterogeneous networks);  simultaneous transmission and  ...  Then the fundamental research challenges for resource management in 5G systems are highlighted before we conclude the article.  ...  splitting (e.g. the receiver separates the received signal into two streams for the information and energy receivers with the same or varying power levels).  ... 
doi:10.1109/mim.2015.7108393 fatcat:ezlcmvx7pfcejgbezeks4zrpzu

Target Detection and Localization Using Non-cooperative Frequency Agile Phased Array Radar Illuminator

Panhe Hu, Qinglong Bao, Zengping Chen
2019 IEEE Access  
On one hand, since PBR works in a non-cooperative mode, there is a problem that the instantaneous parameters of transmitting signal are unknown at the receiver.  ...  Preliminary results validate the proposed method can be applied to PBR system successfully.  ...  Jing Liang and the unknown reviewers and for their careful review, insightful comments, and valuable suggestions.  ... 
doi:10.1109/access.2019.2934754 fatcat:7d2mpckenrfx5cop6keritwa2a

5G Cellular: Key Enabling Technologies and Research Challenges [article]

Ekram Hossain, Monowar Hasan
2015 arXiv   pre-print
The major research problems, which these new technologies breed, as well as the measurement and test challenges for 5G systems are also highlighted.  ...  The evolving fifth generation (5G) cellular wireless networks are envisioned to provide higher data rates, enhanced end-user quality-of-experience (QoE), reduced end-to-end latency, and lower energy consumption  ...  splitting (e.g. the receiver separates the received signal into two streams for the information and energy receivers with the same or varying power levels).  ... 
arXiv:1503.00674v1 fatcat:53k6a5hovvasfnloshuh6zpaeq

Electrical impedance imaging system using FPGAs for flexibility and interoperability

Harsh Sohal, Hun Wi, Alistair McEwan, Eung Woo, Tong Oh
2014 BioMedical Engineering OnLine  
Modern EIT systems require simultaneously operating multiple functions for flexibility, interoperability, and clinical applicability.  ...  In this paper, we describe the details of the FPGA design adopted in the KHU Mark2.5 EIT system. Methods: We classified all functions of the KHU Mark2.5 EIT system into two categories.  ...  Modern EIT systems require simultaneously operating multiple functions for flexibility and interoperability, which are needed in clinical applications.  ... 
doi:10.1186/1475-925x-13-126 pmid:25174492 pmcid:PMC4158054 fatcat:3m32nyh3k5fkppwsrq6ca5be6u
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