Search Results - "Rave, W."

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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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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Magnetic ground state of a thin-film element by Rave, W., Hubert, A.

“…By means of three-dimensional numerical calculations we studied possible micromagnetic configurations in a rectangular Permalloy-like thin-film element. The…”
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Magnetic states of small cubic particles with uniaxial anisotropy by Rave, W., Fabian, K., Hubert, A.

“…The lowest energy states in small cubic particles with uniaxial anisotropy are explored as a function of anisotropy strength and particle size. The…”
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Corners and nucleation in micromagnetics by RAVE, W, RAMSTÖCK, K, HUBERT, A

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Micromagnetic calculation of the grain size dependence of remanence and coercivity in nanocrystalline permanent magnets by Rave, W., Ramstöck, K.

“…A brick arrangement, representing the grains of nanocrystalline hard magnetic materials, was studied by numerical micromagnetic calculations in two dimensions…”
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Imaging Magnetic Charges with Magnetic Force Microscopy by Hubert, A., Rave, W., Tomlinson, S. L.

“…An alternative interpretation of the contrast in magnetic force microscopy images is proposed. The new approach is based on rewriting the interaction energy…”
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Systematic Analysis of Micromagnetic Switching Processes by Hubert, A., Rave, W.

“…Guided by the properties of the Stoner‐Wohlfarth model, the switching behavior of general inhomogeneous micromagnetic configurations is investigated. In most…”
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Properties of the intercarrier interference due to phase noise in OFDM by Petrovic, D., Rave, W., Fettweis, G.

“…We present a unified analysis of intercarrier interference (ICI) which is caused by phase noise in OFDM. The "small" phase noise approximation known from the…”
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Combined Kerr-/magnetic force microscopy on NdFeB crystals of different crystallographic orientation by Zueco, E, Rave, W, Schäfer, R, Hubert, A, Schultz, L

“…Magnetic force microscopy images of NdFeB crystals of different crystallographic orientation are directly compared with magneto-optical Kerr images. This…”
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Micromagnetic calculation of the thickness dependence of surface and interior width of asymmetrical Bloch walls by RAVE, W, HUBERT, A

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How well-defined are closure domains? by Hubert, A., Rave, W.

“…The character of closure domains was investigated by numerical micromagnetic methods for different anisotropy functionals. Closure domain walls are undefined…”
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Observations on high-anisotropy single crystals using a combined Kerr/magnetic force microscope by Rave, W., Zueco, E., Schäfer, R., Hubert, A.

“…A magnetic force sensor was integrated into the objective revolver of an optical polarization microscope. The instrument was tested on a wedge-shaped Co single…”
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A magnetic force microscopy analysis of soft thin film elements by Rave, W., Belliard, L., Labrune, M., Thiaville, A., Miltat, J.

“…Several different soft magnetic materials have been investigated by means of Magnetic Force Microscopy (MFM) using commercial Atomic Force Microscope…”
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Relaying in CDMA networks: pathloss reduction and transmit power savings by Herhold, P., Rave, W., Fettweis, G.

“…Relaying has emerged as a field of growing interest for wireless systems. The use of intermediate nodes for relaying information from a source to its…”
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Enhancement of magneto-optical domain observation by digital image processing by Schmidt, F., Rave, W., Hubert, A.

“…An electronic system is described which allows to subtract contrast of non-magnetic origin from a magneto-optic image. At the same time image noise can be…”
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Observations of Fe surfaces with magnetic force and Kerr microscopy by Zueco, E., Rave, W., Schäfer, R., Mertig, M., Schultz, L.

“…Combined studies of the magnetic microstructure of iron were performed with a Nanoscope III magnetic force microscope (MFM) and a digitally enhanced Kerr…”
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Evaluation of load control strategies in an UTRA/FDD network by Rave, W., Kohler, T., Voigt, J., Fettweis, G.

“…For a regular array of hexagonal cells in a suburban outdoor environment, we examined resource allocation schemes in the radio network controller (RNC) for the…”
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Hydrogenation–disproportionation–desorption–recombination in Sm2Fe16M (M=Al, Ga and Si) and magnetic properties of their carburized powders by Kubis, M., Rave, W., Cao, L., Gebel, B., Müller, K.-H., Schultz, L.

“…The application of the hydrogenation–disproportionation–desorption–recombination (HDDR) process in Sm2Fe16M (M=Al, Ga and Si) was investigated. The hydrogen…”
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Downlink capacity of UTRAN reusing frequencies of a DVB-T network with negligible influence on DVB-T performance by Huschke, J., Rave, W., Kohler, T.

“…The paper investigates the possibility of reusing frequencies of a terrestrial digital video broadcasting (DVB-T) network for a UMTS Terrestrial Radio Access…”
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