Results 161 to 170 of about 1,792,499 (213)

Near-Field Acoustic Imaging Using Fiber-Optic Distributed Acoustic Sensing and Beamforming Techniques. [PDF]

Adv Sci (Weinh)
Soto MA, Badillo-San-Juan D.
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Unsupervised Neural Beamforming for Uplink MU-SIMO in 3GPP-Compliant Wireless Channels. [PDF]

Sensors (Basel)
Vahapoglu C, O'Shea TJ, Liu W, Roy T, Ulukus S.   +4 more
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A novel deep-learning model to convert DAS strain to geophone particle velocity: application to PoroTomo data from the Brady geothermal field. [PDF]

Sci Rep
Al-Qadasi B, Cui Y, Waheed UB, Wang HF.
europepmc   +1 more source

Comparative earthquake sensitivity of straight and triply helical fibers in surface distributed acoustic sensing. [PDF]

Sci Rep
Masaya S, Naruse R, Kobayashi Y.
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Time Modulation-Based Multi-User Covert Communication. [PDF]

Entropy (Basel)
Jiang L, Zhang X, Chen Q, Wan X, Yang F, Yang G.   +5 more
europepmc   +1 more source

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Distributed Beamforming in the Presence of Adversaries

IEEE Transactions on Vehicular Technology, 2020
In this article, we investigate the problem of distributed coherent beamforming in wireless networks where multiple distributed transmitters adjust the phases of their signals to form a directional and targeted communication link to a client receiver.
Justin Kong 0001, Fikadu T. Dagefu, Brian M. Sadler   +2 more
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Distributed beamforming for Cognitive Radio

2014 4th International Conference on Wireless Communications, Vehicular Technology, Information Theory and Aerospace & Electronic Systems (VITAE), 2014
The goal of the Distributed beamforming (DB) method is to collaboratively forward the Cognitive Radio (CR) signal to the Distant CR (DCR) user. We propose a novel Nodes Selection (NS) method which is based on the differences in beam width of a broadside array and an end-fire array. In this scheme the CR nodes which are able to form a full size end-fire
Homayoun Nikookar, Leo P. Ligthart
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Review of Distributed Beamforming [PDF]

Journal of Telecommunications and Information Technology, 2011
As the capabilities of individual nodes in wireless sensor networks increase, so does the opportunity to perform more complicated tasks, such as cooperative distributed beamforming to improve the range of communications and save precious battery power ...
Wysoki, B. J., Her, J., Wysoki, T. A.
exaly   +1 more source

Distributed Acoustic Beamforming With Blockchain Protection

IEEE Transactions on Industrial Informatics, 2020
Speech is a natural user interface for the Internet of Things system. However, the presence of noise affects severely the performance of such system. With the deployment of smart devices with microphones, one can form a powerful acoustic sensor network to enhance the speech via beamforming techniques. On the other hand, reliability of data transmission
Qingzheng Wang, Shan Guo, Ka-Fai Cedric Yiu   +2 more
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Distributed Decode and Forward Beamforming

37th Annual IEEE Conference on Local Computer Networks, 2012
Distributed transmit beamforming is a wireless communication technique in which multiple independent antennas transmit a common message while controlling their transmitted carrier phases to constructively interfere the message at a destination. Depending on the transmission goals and choice of network parameters, certain noteworthy benefits arise from ...
Chris Walsh, Douglas Hakkarinen, Tracy Camp   +2 more
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