Results 31 to 40 of about 20,662 (157)

Deep Learning‐Enabled Multifunctional Electronic Skin System for Human Activity Recognition and Sign Language Translation

open access: yesSmartMat, Volume 7, Issue 1, February 2026.
A multimodal smart electronic skin: from multi‐parameter sensing to AI‐driven applications. The system integrates temperature, humidity, strain, and glucose sensors, utilizing a designed flexible acquisition circuit to collect physiological and motion signals. Data processing via the MAC‐Net model enables intelligent applications such as precise motion
Kunhao Xiu   +7 more
wiley   +1 more source

Joint Design of Multi-Tap Analog Cancellation and Digital Beamforming for Reduced Complexity Full Duplex MIMO Systems

open access: yes, 2017
Incorporating full duplex operation in Multiple Input Multiple Output (MIMO) systems provides the potential of boosting throughput performance. However, the hardware complexity of the analog self-interference canceller scales with the number of transmit ...
Alexandropoulos, George C.   +1 more
core   +1 more source

Terminal-centric view of software reconfigurable system architecture and enabling components and technologies [PDF]

open access: yes, 2004
Reconfigurahlc radio in Europe is rapidly gaining momentum and becoming a key enabler for realizing the vision of hcing optimally connected anywhere, anytime.
Burgess, Rollo   +8 more
core   +2 more sources

Concurrent Sensing and Communications Based on Intelligent Metasurfaces

open access: yesAdvanced Electronic Materials, Volume 12, Issue 2, 21 January 2026.
An IM‐assisted concurrent ISAC scheme to exploit the otherwise wasted energy inherent in high‐order 16‐APSK DAM, to realize wireless gesture recognition thereby enabling efficient resource sharing for C‐ISAC. This architecture offers promising opportunities for next‐generation mobile internet, embodied intelligence, smart homes, smart factories, and ...
Hanting Zhao   +8 more
wiley   +1 more source

A Two-stage approach to harmonic rejection mixing using blind interference cancelling [PDF]

open access: yes, 2008
Current analog harmonic rejection mixers typically provide 30–40 dB of harmonic rejection, which is often not sufficient. We present a mixed analog-digital approach to harmonic rejection mixing that uses a digital interference canceler to reject the ...
Klumperink, E.A.M.   +2 more
core   +2 more sources

An Energy‐Tiered Clustering‐Based Blind Detector for RIS‐RSM Systems

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
This paper proposes an energy‐tiered structure initialization (ETSI) algorithm for blind detection in reconfigurable intelligent surface (RIS)‐assisted spatial modulation systems. By decomposing the modulation constellation into multiple energy tiers and leveraging structured prototype initialization with tier‐normalized refinement, ETSI effectively ...
Lijuan Zhang   +2 more
wiley   +1 more source

Regularised Hyper Parameter Bi Level Optimisation With Continual Learning Based Deep Neural Network for Beamforming in Ultra‐Wide Band System

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
This research proposes a Regularised Hyperparameter Bilevel Optimisation with Continual Learning‐based Deep Neural Network (RHBO‐CLDNN) for beamforming in an Ultra‐Wide Band (UWB) system. The RHBO ensures the hyperparameter efficiency at both upper and lower levels, which allows DNN to fine‐tune the unique characteristics of the UWB system, which leads
Pradeep Kumar Siddanna   +2 more
wiley   +1 more source

A Blind Interference Canceling Technique for Two-Stage Harmonic Rejection in Down-mixers [PDF]

open access: yes, 2008
This paper presents practical experiments on a harmonic rejection down-mixer, which offers up to 75 dB of harmonic rejection, without an RF filter. The down-mixer uses a two-stage approach; the first stage is an analog multi-path/multiphase harmonic ...
Klumperink, E.A.M.   +2 more
core   +1 more source

Artificial Noise Aided Directional Modulation with Multilog Frequency Diverse Array

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
The basic principle of the proposed AN‐DM‐MFDA system is to allocate AN to leakage sidelobes instead of uniformly transmitting on the two‐dimensional plane. Moreover, we theoretically derive the average bit error rates as well as the secrecy capacity between the legitimate receiver and eavesdropper in the developed system.
Ji Liu, Yue Xiao, Yong Wang, Xia Lei
wiley   +1 more source

Spectrally Compatible Deceptive Jamming Waveform Design for Synthetic Aperture Radar Countermeasures

open access: yesIET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
This paper focuses on the design of synthetic aperture radar (SAR) deceptive jamming waveforms with spectrum‐compatible capability. By using the synthesised jamming waveform, successful deception against the hostile SAR system is demonstrated by generating false targets with high fidelity in both range and azimuth.
Yuhao Chen   +4 more
wiley   +1 more source

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