搜索结果: 1-15 共查到“beamforming”相关记录30条 . 查询时间(0.39 秒)
2017多波束天线和波束形成网络研讨会（Workshop on Multibeam Antennas and Beamforming Networks）
2017 多波束天线和波束形成网络 研讨会
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2017/9/21
Multi-Beam Antennas (MBAs) find application in several fields including wireless and satellite communications, RADARs for electronic surveillance and remote sensing, science (e.g. radio telescopes), R...
NON-SQUARE BLIND SOURCE SEPARATION UNDER COHERENT NOISE BY BEAMFORMING AND TIME-FREQUENCY MASKING
NON-SQUARE BLIND SOURCE SEPARATION COHERENT NOISE BY BEAMFORMING TIME-FREQUENCY MASKING
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2015/9/29
To be applicable in realistic scenarios, blind source separation approaches should deal evenly with non-square cases and the presence of noise. We consider an additive noisemixing model with an arbitr...
Robust minimum variance beamforming
Ellipsoidal calculus Hadamard product robust beamforming second-order cone programming
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2015/8/10
This paper introduces an extension of minimum variance beamforming, also known as Capon's method, that explicitly takes into account variation or uncertainty in the assumed array response. Sources of ...
Beamforming with uncertain weights
Sound beam shape multiplication convex optimization
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2015/8/10
In this letter, we show that worst-case robust beamforming, with uncertain weights subject to multiplicative variations, can be cast as a convex optimization problem. We interpret this robust beamform...
A tractable method for robust downlink beamforming in wireless communications
Wireless communication system sound localization noise signal interference ratio
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2015/8/10
In downlink beamforming in a multiple-input multiple-output (MIMO) wireless communication system, we design beamformers that minimize the power subject to guaranteeing given signal-to-interference noi...
Robust beamforming via worst-case SINR maximization
Minimum variance beamforming the signal to interference plus noise ratio the parameter estimation error and optimization problems
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2015/8/10
Minimum variance beamforming, which uses a weight vector that maximizes the signal to interference plus noise ratio (SINR), is often sensitive to estimation error and uncertainty in the parameters, st...
Robust Minimum Variance Beamforming
Ellipsoidal calculus Hadamard product robust beamforming second-order cone programming
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2015/7/10
This paper introduces an extension of minimum variance beamforming, also known as Capon's method, that explicitly takes into account variation or uncertainty in the assumed array response. Sources of ...
Beamforming with Uncertain Weights
Regularization robust beamforming robust optimization robust sensor array signal processing
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2015/7/10
In this letter, we show that worst-case robust beamforming, with uncertain weights subject to multiplicative variations, can be cast as a convex optimization problem. We interpret this robust beamform...
A Tractable Method for Robust Downlink Beamforming in Wireless Communications
Tractable Method Robust Downlink Beamforming Wireless Communications
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2015/7/10
In downlink beamforming in a multiple-input multiple-output (MIMO) wireless communication system, we design beamformers that minimize the power subject to guaranteeing given signal-to-interference noi...
Robust Beamforming via Worst-Case SINR Maximization
Beamforming convex optimization signal-to-interference-plus-noise ratio (SINR)
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2015/7/9
Minimum variance beamforming, which uses a weight vector that maximizes the signal to interference plus noise ratio (SINR), is often sensitive to estimation error and uncertainty in the parameters, st...
Optimal Basis For Ultrasound RF Apertures: Applications to Real-Time Compression and Beamforming
ultrasound rf compression beamforming Karhunen-Loeve Transform 2D FFT
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2014/12/8
Modern medical ultrasound machines produce enormous amounts of data, as much as several gigabytes/sec in some systems. The challenges of generating, storing, processing and reproducing such voluminous...
Worst-Case Robust Multiuser Transmit Beamforming Using Semidefinite Relaxation: Duality and Implications
Worst-Case Robust Multiuser Semidefinite Relaxation Duality Implications Information Theory
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2012/4/17
This paper studies a downlink multiuser transmit beamforming design under spherical channel uncertainties, using a worst-case robust formulation. This robust design problem is nonconvex. Recently, a c...
Optimal Selective Feedback Policies for Opportunistic Beamforming
Opportunistic beamforming vector broadcast channels selective feedback sum-rate majorization
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2011/9/20
Abstract: This paper studies the structure of downlink sum-rate maximizing selective decentralized feedback policies for opportunistic beamforming under finite feedback constraints on the average numb...
Prescient Beamforming by Primary Transmitters in Interweave Cognitive Radio Networks with a Single Primary Receiver
Cognitive radios spectrum sensing interference mitigation beamforming dirty-paper coding
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2011/9/15
Abstract: This work investigates a fundamentally novel interweave cognitive radio network where the primary transmitter takes a proactive approach towards improving the accuracy of the spectrum sensin...
Distributed Robust Multi-Cell Coordinated Beamforming with Imperfect CSI: An ADMM Approach
coordinated multi-point (CoMP) multi-cell processing beamforming robust beamforming
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2011/9/1
Abstract: Multi-cell coordinated beamforming (MCBF), where multiple base stations (BSs) collaborate with each other in the beamforming design for mitigating the inter-cell interference, has been a sub...