搜索结果: 1-15 共查到“理学 beamforming”相关记录19条 . 查询时间(0.046 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
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
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
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 ...
Worst-Case Robust Multiuser Transmit Beamforming Using Semidefinite Relaxation: Duality and Implications
Worst-Case Robust Multiuser Semidefinite Relaxation Duality Implications Information Theory
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
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
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
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...
Beamforming on the MISO interference channel with multi-user decoding capability
the MISO interference channel multi-user decoding capability Information Theory
2011/8/23
Abstract: This paper considers the multiple-input-single-output interference channel (MISO-IC) with interference decoding capability (IDC), so that the interference signal can be decoded and subtracte...
Network MIMO with Linear Zero-Forcing Beamforming: Large System Analysis, Impact of Channel Estimation and Reduced-Complexity Scheduling
Linear Zero-Forcing Beamforming Large System Analysis Impact of Channel Estimation Reduced-Complexity Scheduling
2011/2/21
We consider the downlink of a multi-cell system with multi-antenna base stations and single-antenna user terminals, arbitrary base station cooperation clusters, distance-dependent propagation pathloss...
Optimal Distributed Beamforming for MISO Interference Channels
Optimal Distributed Beamforming MISO Interference Channels
2010/11/22
We consider the problem of quantifying the Pareto optimal boundary in the achievable rate region over multiple-input single-output (MISO) interference channels, where the problem boils down to solving...
RFI mitigation with phase-only adaptive beamforming
RFI mitigation phase-only adaptive beamforming
2010/11/12
Connected radio interferometers are sometimes used in the tied-array mode:signals from antenna elements are coherently added and the sum signal applied to a VLBI backend or pulsar processing machine. ...
Robust Beamforming for Security in MIMO Wiretap Channels with Imperfect CSI
Robust Beamforming for Security MIMO Wiretap Channels
2010/12/3
In this paper, we investigate methods for reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdropper.
Bit-Interleaved Coded Multiple Beamforming with Perfect Coding
Bit-Interleaved Coded Multiple Beamforming Perfect Coding
2010/12/8
When the Channel State Information (CSI) is known by the transmitter as well as the receiver, beamforming techniques that employ Singular Value Decomposition (SVD) are commonly used in Multiple-InputM...
Reduced Complexity Decoding for Bit-Interleaved Coded Multiple Beamforming with Constellation Precoding
Complexity Decoding Bit-Interleaved Coded Multiple Beamforming Constellation Precoding
2010/12/8
Multiple beamforming is realized by singular value decomposition of the channel matrix which is assumed to be perfectly known to the transmitter as well as the receiver. Bit-Interleaved Coded Multiple...
Secure Relay Beamforming over Cognitive Radio Channels
Secure Relay Beamforming Cognitive Radio Channels
2010/12/15
In this paper, a cognitive relay channel is considered,and amplify-and-forward (AF) relay beamforming designs in the presence of an eavesdropper and a primary user are studied.