Search Results - "Rave, Wolfgang"

Two-Level Spatial Multiplexing Using Hybrid Beamforming for Millimeter-Wave Backhaul by Song, Xiaohang, Rave, Wolfgang, Babu, Nithin, Majhi, Sudhan, Fettweis, Gerhard

“…Spatial multiplexing is an important factor usable for improving the throughput of future millimeter-wave (mm-wave) backhaul links. One conventional strategy…”
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Design and Experimental Evaluation of Equalization Algorithms for Line-of-Sight Spatial Multiplexing at 60 GHz by Song, Xiaohang, Halsig, Tim, Cvetkovski, Darko, Rave, Wolfgang, Lankl, Berthold, Grass, Eckhard, Fettweis, Gerhard

“…With large bandwidths, millimeter wave (mmWave) line-of-sight (LoS) multi-input multi-output (MIMO) technology employing parallel stream transmission is well…”
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Self-organized synchronization of digital phase-locked loops with delayed coupling in theory and experiment by Wetzel, Lucas, Jörg, David J, Pollakis, Alexandros, Rave, Wolfgang, Fettweis, Gerhard, Jülicher, Frank

“…Self-organized synchronization occurs in a variety of natural and technical systems but has so far only attracted limited attention as an engineering…”
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Synchronization in networks of mutually delay-coupled phase-locked loops by Pollakis, Alexandros, Wetzel, Lucas, Jörg, David J, Rave, Wolfgang, Fettweis, Gerhard, Jülicher, Frank

“…Electronic components that perform tasks in a concerted way rely on a common time reference. For instance, parallel computing demands synchronous clocking of…”
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Distributed Iterative Multiuser Detection through Base Station Cooperation by Khattak, Shahid, Rave, Wolfgang, Fettweis, Gerhard

“…This paper deals with multiuser detection through base station cooperation in an uplink, interference-limited, high frequency reuse scenario. Distributed…”
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Distributed Iterative Multiuser Detection through Base Station Cooperation by Khattak, Shahid, Rave, Wolfgang, Fettweis, Gerhard

“…This paper deals with multiuser detection through base station cooperation in an uplink, interference-limited, high frequency reuse scenario. Distributed…”
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Beam Selection Based on Sequential Competition by Marandi, Mostafa Khalili, Rave, Wolfgang, Fettweis, Gerhard

“…We present a novel M-ary sequential test for beam selection when knowledge about the SNR operating point is not available. The proposed sequential test…”
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Quasi-Orthogonal STBC Using Stretched Constellations for Low Detection Complexity by Marsch, P., Rave, W., Fettweis, G.

“…Space-time block codes (STBC) from orthogonal designs have been proposed by Alamouti and Tarokh-Jafarkhani-Calderbank, achieving full diversity in the order of…”
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Sequential Channel Equalization in Strong Line-of-Sight MIMO Communication by Song, Xiaohang, Cvetkovski, Darko, Rave, Wolfgang, Grass, Eckhard, Fettweis, Gerhard

“…In this paper, we show a novel algorithm for strong line-of-sight (LoS) multiple-input-multiple-output (MIMO) channel equalization. With optimally spaced…”
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Fast Beam Alignment Via True Time Delay Frequency Dependent Beamforming Using Fixed and Variable Length Tests by Jans, Christoph, Rave, Wolfgang, Fettweis, Gerhard

“…In this work, we present a time efficient solution to the initial beam alignment/acquisition of a hybrid beamforming millimeter wave communication system. Our…”
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Effects of Phase Noise on OFDM Systems With and Without PLL: Characterization and Compensation by Petrovic, D., Rave, W., Fettweis, G.

“…In this paper, we propose an algorithm for suppressing intercarrier interference due to phase noise in coded orthogonal frequency division multiplexing (OFDM)…”
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Machine-Learning Beam Tracking and Weight Optimization for mmWave Multi-UAV Links by Chiang, Hsiao-Lan, Chen, Kwang-Cheng, Rave, Wolfgang, Khalili Marandi, Mostafa, Fettweis, Gerhard

“…Millimeter-wave (mmWave) hybrid analog-digital beamforming is a promising approach to satisfy the low-latency constraint in multiple unmanned aerial vehicles…”
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Hybrid Beamforming Based on Implicit Channel State Information for Millimeter Wave Links by Chiang, Hsiao-Lan, Rave, Wolfgang, Kadur, Tobias, Fettweis, Gerhard

“…Hybrid beamforming provides a promising solution to achieve high data rate transmission at millimeter waves. Implementing hybrid beamforming at a transceiver…”
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Beam Elimination Based on Sequentially Estimated a Posteriori Probabilities of Winning by Marandi, Mostafa Khalili, Rave, Wolfgang, Fettweis, Gerhard

“…A robust and adaptive variable length beam selection strategy based on M-ary sequential competition was proposed. It was enhanced by the elimination of…”
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Evaluation of Detection Accuracy and Efficiency of Considered Beam Alignment Strategies for mmWave Massive MIMO Systems by Khalili Marandi, Mostafa, Jans, Christoph, Rave, Wolfgang, Fettweis, Gerhard

“…The recent deployment of millimeter wave (mmWave) massive MIMO systems starts a new era in mobile communications by offering connectivity advantages such as…”
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Application of Multiple Hypothesis Testing for Beam Selection by Kadur, Tobias, Rave, Wolfgang, Fettweis, Gerhard

“…The beam selection problem is one of the crucial problems for achieving high spectral efficiency in millimeter wave (mmW) systems. Most of the previous works…”
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Frequency-Selective Analog Beam Probing for Millimeter Wave Communication Systems by Jans, Christoph, Song, Xiaohang, Rave, Wolfgang, Fettweis, Gerhard

“…This work focuses on the initial beam acquisition/alignment of millimeter wave (mmWave) communication systems. To detect the angle of arrival (AoA) and/or…”
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An Adaptive Sequential Competition Test for Beam Selection in Massive MIMO Systems by Marandi, Mostafa Khalili, Rave, Wolfgang, Fettweis, Gerhard

“…To solve the problem of beam selection or capturing the highest possible signal power, we propose a sequential test that can adapt to the SNR operating point…”
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Experimental Evaluation of a Variable Length Beam Selection Framework in a USRP based Testbed with mmWave Frontends and Butler Matrices by Marandi, Mostafa Khalili, Wei, Shizhang, Khodapanah, Behnam, Rave, Wolfgang, Fettweis, Gerhard

“…In this work, we aim to experimentally evaluate the performance of the novel variable length beam selection framework known as Sequential Competition and…”
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Quantization of Log-Likelihood Ratios to Maximize Mutual Information by Rave, W.

“…We propose a quantization scheme for log-likelihood ratios which optimizes the trade-off between rate and accuracy in the sense of rate distortion theory: as…”
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