Results 101 to 110 of about 2,236 (212)

Angle-range-polarization-dependent beamforming for polarization sensitive frequency diverse array

EURASIP Journal on Advances in Signal Processing, 2019
In this paper, we present a polarization sensitive frequency diverse array (PSFDA), which benefits both from frequency diverse array (FDA) and polarization sensitive array (PSA), producing angle-range-polarization-dependent beamforming capability.
Hui Chen, HuaiZong Shao, HongYang Chen
doaj   +1 more source

Research Progress in Methods to Estimate High-resolution Direction of Arrival

水下无人系统学报
With the widespread application of array signal processing, the estimation of direction of arrival(DOA) as the core problem of array signal processing has made significant progress.
Wei ZHAO, Xuan LI, Chengpeng HAO
doaj   +1 more source

Momentum-Accelerated Phase Synchronization for UAV Swarm Collaborative Beamforming

Drones
Distributed beamforming in UAV swarms requires fast and accurate carrier-phase alignment under sparse connectivity and propagation-induced phase bias. This paper proposes a physics-aware decentralized synchronization framework for quasi-static UAV swarm ...
Fei Xie, Longqing Li, Chan Liu, Zhiping Huang, Yongjie Zhao, Junyu Wei   +5 more
doaj   +1 more source

Nested Array Sensor With Grating Lobe Suppression and Arbitrary Transmit–Receive Beampattern Synthesis

IEEE Access, 2018
Sparse arrays have potential advantages over their regularly spaced counterparts, but they will generate undesired grating lobes. This paper investigates a sparse linear phased-array for grating lobe suppression and arbitrary transmit-receive beampattern
Zhe Wang, Wen-Qin Wang, Zhi Zheng, Huaizong Shao   +3 more
doaj   +1 more source

Robust Beamforming-Aided Signal Recovery for MIMO VLC System With Incomplete Channel

IEEE Access, 2019
Visible light communication (VLC) based on light emitting diodes (LEDs) has attracted much attention because of its high data rate and energy efficiency.
Huiqin Du, Chong Zhang, Zujian Wu
doaj   +1 more source

Enhanced Group Sparse Beamforming for Green Cloud-RAN: A Random Matrix Approach

, 2018
Group sparse beamforming is a general framework to minimize the network power consumption for cloud radio access networks, which, however, suffers high computational complexity.
Yuanming Shi, Jun Zhang, Chen, Wei, Khaled B. Letaief, Letaief, Khaled B., Wei Chen, Zhang, Jun, Shi, Yuanming   +7 more
core   +1 more source

A Multipath Sparse Beamforming Method

A novel formulation of beamforming is proposed for acquisition of the signals in reverberant acoustic clutter of interferences and noise. We derive the beamforming methods which incorporate the sparsity structure pertained to the acoustic source ...
Asaei, Afsaneh, Raj, Bhiksha, Bourlard, Hervé, Cevher, Volkan   +3 more
core  

Group sparse beamforming for multicast green Cloud-RAN via parallel semidefinite programming

, 2015
The Cloud radio access network (Cloud-RAN) has great potentials to improve energy efficiency and increase capacity of wireless networks. In this paper, we investigate multicast beamforming design for network power minimization of Cloud-RAN, which is ...
Chen, Wei, Khaled B. Letaief, Letaief, Khaled B., Cheng, Jinkun, Bai, Bo, Zhangy, Jun, Wei Chen, Shiy, Yuanming, Yuanming Shiy, Bo Bai, Jinkun Cheng, Jun Zhangy   +11 more
core   +1 more source

Sparse Deconvolution for Moving-Source Localization

, 2016
International audienceIn this paper, we propose a method for moving-source localization based on beamforming output and on sparse representation of the source positions.
Mai Quyen Pham, Mars, Jerome,, Pham, Mai Quyen, Barbara Nicolas, Benoit Oudompheng, Jerome I. Mars, Mars, Jerome, I., Pham, Mai Quyen, I, Oudompheng, Benoit, Nicolas, Barbara   +9 more
core   +1 more source

Layered Group Sparse Beamforming for Cache-Enabled Green Wireless Networks

, 2017
The exponential growth of mobile data traffic is driving the deployment of dense wireless networks, which will not only impose heavy backhaul burdens, but also generate considerable power consumption.
Yuanming Shi, Jun Zhang, Khaled B. Letaief, Letaief, Khaled B., Xi Peng, Peng, Xi, Zhang, Jun, Shi, Yuanming   +7 more
core   +1 more source