Results 81 to 90 of about 64,041 (281)

Half-Duplex or Full-Duplex Relaying: A Capacity Analysis under Self-Interference

, 2013
In this paper multi-antenna half-duplex and full-duplex relaying are compared from the perspective of achievable rates. Full-duplexing operation requires additional resources at the relay such as antennas and RF chains for self-interference cancellation.
Erkip, Elza, Gurbuz, Ozgur, Shende, Nirmal   +2 more
core   +1 more source

All‐in‐One Underwater Quality Evaluation Metamaterial With Mechanical Robustness, Sound Attenuation, and Diffuse Reflection

Advanced Science, EarlyView.
In this work, a bioinspired all‐in‐one underwater quality evaluation metamaterial, combining sound attenuation, diffuse reflection, and mechanical robustness, is proposed based on jumping spider locomotion and human skeletal biomechanics. Meanwhile, a CNN‑driven quality evaluation framework is established for theoretically dimension‐reduced ...
Hongze Li, Zhenyu Li, Jinshui Yang, Jianhao Wu, Yidan Chen, Linzhi Wu, Hong Hu, Penglin Gao, Yegao Qu   +8 more
wiley   +1 more source

Cancellation of Power Amplifier Induced Nonlinear Self-Interference in Full-Duplex Transceivers

, 2014
Recently, full-duplex (FD) communications with simultaneous transmission and reception on the same channel has been proposed. The FD receiver, however, suffers from inevitable self-interference (SI) from the much more powerful transmit signal.
Anttila, Lauri, Korpi, Dani, Syrjälä, Ville, Valkama, Mikko   +3 more
core   +1 more source

Miniaturized 3D Magnetic Force Sensor via Laser‐Assisted Folding and Magnetization for Enhanced Robotic Dexterity

Advanced Science, EarlyView.
To achieve 3D force sensing in confined spaces such as fingertips, we developed a laser‐assisted folding and magnetization method to fabricate miniature films with precise centripetal magnetization. The resulting compact sensor delivers high force resolution, rapid response, and long‐term stability, significantly enhancing the manipulation capabilities
Yujie Huang, Huangzhe Dai, Chengqian Zhang, Daofan Tang, Xinxin Zhang, Haonan Sun, Annan Ding, Xuebin Ni, Yizhi Zhang, Chengfeng Pan, Peng Zhao   +10 more
wiley   +1 more source

In-Depth Exploration of Signal Self-Cancellation Phenomenon to Achieve DOA Estimation of Underwater Acoustic Sources

Applied Sciences, 2019
In the ocean environment, the minimum variance distortionless response beamformer usually has the problem of signal self-cancellation, that is, the acoustic signal of interest is erroneously suppressed as interference. By exploring the useful information
Fang Wang, Yong Chen, Jianwei Wan
doaj   +1 more source

Partial Zero-Forcing for Multi-Way Relay Networks

, 2018
The ever increasing demands for mobile network access have resulted in a significant increase in bandwidth usage. By improving the system spectral efficiency, multi-way relay networks (MWRNs) provide promising approaches to address this challenge.
Ardakani, Masoud, Jing, Yindi, Noori, Moslem, Rahimian, Samira, Zhang, Wuhua   +4 more
core   +1 more source

Ultrasound Activated Piezoelectric Dural Patches to Drive Endogenous Neural Stem Cell–Mediated Repair Traumatic Brain Injury

Advanced Science, EarlyView.
This study presents a wireless, non‐invasive strategy for neural repair by developing a biodegradable piezoelectric dural patch that, under transcranial ultrasound, generates localized electrical fields to drive endogenous neural stem cells toward neuronal differentiation and functional integration.
Pengbo Zhou, Qingyuan Wu, Yang Wu, Runzhe Huang, Wei Li, Hanjie Niu, Hongtao Sun, Huiyu Liu   +7 more
wiley   +1 more source

Improved Stochastic-Based Interference Avoidance Algorithm for Fifth Generation Communication

Journal of Engineering and Sustainable Development
Interference cancellation is a prominent concern in 5G communication. In 5G wireless architecture, self-interference cancellation may double the spectral and energy efficiency of ultra-dense networks using the full-duplex approach if implemented ...
Ahmed Saeed Obied, Hind Mowafaq Taha, Ahmad Shahidan Abdullah   +2 more
doaj   +1 more source

Optical RF Self-Interference Cancellation by Using an Integrated Dual-Parallel MZM

IEEE Photonics Journal, 2017
An optical approach to implement radio-frequency (RF) self-interference cancellation using an integrated dual-parallel Mach–Zehnder modulator (DP-MZM) is proposed and demonstrated experimentally.
Xiuyou Han, Bofan Huo, Yuchen Shao, Mingshan Zhao   +3 more
doaj   +1 more source

Joint User Scheduling and Power optimization in Full-Duplex Cells with Successive Interference Cancellation

, 2017
This paper considers a cellular system with a full-duplex base station and half-duplex users. The base station can activate one user in uplink or downlink (half-duplex mode), or two different users one in each direction simultaneously (full-duplex mode).
Erkip, Elza, Ramirez, David, Shahsavari, Shahram   +2 more
core   +1 more source