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Träfflista för sökning "WFRF:(Karlsson Magnus 1967 ) srt2:(2005-2009)"

Sökning: WFRF:(Karlsson Magnus 1967 ) > (2005-2009)

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Numrering	Referens	Omslagsbild	Hitta
1.	Björk, Magnus, 1977, et al. (författare) Exposed Datapath for Efficient Computing 2006 Rapport (övrigt vetenskapligt/konstnärligt)abstract We introduce FlexCore, which is the first exemplar of a processor based on the FlexSoC processor paradigm. TheFlexCore utilizes an exposed datapath for increased performance. Microbenchmarks yield a performance boost of a factor of two over a traditional five-stage pipeline with the same functional units as the FlexCore.We describe our approach to compiling for the FlexCore.A flexible interconnect allows the FlexCore datapath to bedynamically reconfigured as a consequence of code generation. Additionally, specialized functional units may be introduced and utilized within the same architecture and compilation framework. The exposed datapath requires a wide control word. The conducted evaluation of two micro benchmarks confirms that this increases the instruction bandwidth and memory footprint. This calls for an efficient instruction decoding as proposed in the FlexSoC paradigm.
2.	Björk, Magnus, 1977, et al. (författare) Exposed Datapath for Efficient Computing 2007 Ingår i: 2007 HiPEAC Workshop on Reconfigurable Computing. Konferensbidrag (refereegranskat)
3.	Kylemark, Per, 1976, et al. (författare) Correction to “Noise Characteristics of Fiber Optical Parametric Amplifiers" 2005 Ingår i: Journal of Lightwave Technology. ; 23:6, s. 2192-2192 Tidskriftsartikel (refereegranskat)
4.	Agrell, Erik, 1965, et al. (författare) Performance comparison of optical 8-ary differential phase-shift keying systems with different electrical decision schemes: Comment 2006 Ingår i: Optics Express. - 1094-4087 .- 1094-4087. ; 14:4, s. 1700-1701 Tidskriftsartikel (refereegranskat)abstract We summarize three electrical decision schemes that have been proposed for 8-level differential phase-shift keying, briefly discuss their performance and complexity, and comment that two of these schemes have been confused in an earlier comparison in Optics Express. © 2006 Optical Society of America.
5.	Agrell, Erik, 1965, et al. (författare) Power-efficient modulation formats in coherent transmission systems 2009 Ingår i: Journal of Lightwave Technology. - 0733-8724 .- 1558-2213. ; 27:22, s. 5115-5126 Tidskriftsartikel (refereegranskat)abstract Coherent optical transmission systems have a four-dimensional (4-D) signal space (two quadratures in two polarizations). These four dimensions can be used to create modulation formats that have a better power efficiency (higher sensitivity) than the conventional binary phase shift keying/quadrature phase shift keying (BPSK/QPSK) signals. Several examples are given, with some emphasis on a 24-level format and an 8-level format, including descriptions of how they can be realized and expressions for their symbol and bit error probabilities. These formats are, respectively, an extension and a subset of the commonly used 16-level dual-polarization QPSK format. Sphere packing simulations in 2, 3, and 4 dimensions, up to 32 levels, are used to verify their optimality. The numerical results, as the number of levels increases, are shown to agree with lattice-theoretical results. Finally, we point out that the use of these constellations will lead to improved fundamental sensitivity limits for optical communication systems, and they may also be relevant as a way of reducing power demands and/or nonlinear influence. © 2009, IEEE. All rights reserved.
6.	Alic, N., et al. (författare) Benefits of Joint Statistics in MLSD-Equalized Transmission 2009 Ingår i: IEEE Photonics Technology Letters. - 1041-1135 .- 1941-0174. ; 21:8, s. 495-497 Tidskriftsartikel (refereegranskat)abstract We experimentally investigate and quantify performance improvement, accounting for multiple bit intervals' joint statistics in filtered equalized on-off keying OC-192 fiber-optic links relying on Viterbi-algorithm-based sequence detection. We demonstrate that the penalty associated with narrow filtering can be alleviated for the most part with an appropriate detection approach.
7.	Chavez-Boggio, J. M., et al. (författare) Nearly octave-spanning cascaded four-wave-mixing generation in low dispersion highly nonlinear fiber 2009 Ingår i: European Conference on Optical Communication, ECOC 2009. ; , s. paper 9.1.2- Konferensbidrag (refereegranskat)
8.	Johannisson, Pontus, 1976, et al. (författare) Characterization of a Self-Phase-Modulation-Based All-Optical Regeneration System 2005 Ingår i: IEEE Photonics Technology Letters. ; 17:12, s. 2667-2669 Tidskriftsartikel (refereegranskat)
9.	Johannisson, Pontus, 1976, et al. (författare) Suppression of Phase Error in Differential Phase-Shift Keying Data by Amplitude Regeneration 2006 Ingår i: Optics Letters. ; 31:10, s. 1385-1387 Tidskriftsartikel (refereegranskat)abstract A regenerator for DPSK modulated data, consisting of two Mach-Zehnder interferometers and two amplitude regenerators, is examined theoretically. The result, which shows that the phase error is suppressed if phase-preserving amplitude regenerators are used, provides a theoretical description of an already experimentally implemented regenerator.
10.	Johannisson, Pontus, 1976, et al. (författare) Theoretical description of a self-phase modulation based all-optical pulse regenerator 2005 Ingår i: Optics InfoBase Conference Papers. - Washington, D.C. : OSA. - 2162-2701. Konferensbidrag (refereegranskat)abstract A self-phase modulation based all-optical pulse regeneration system of the Mamyshev type is investigated. Design guidelines are given and system trade-offs are described.

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Resultat 1-10 av 56

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Typ av publikation: tidskriftsartikel (30); konferensbidrag (23); rapport (2); annan publikation (1)

Typ av innehåll: refereegranskat (52); övrigt vetenskapligt/konstnärligt (4)

Författare/redaktör: Karlsson, Magnus, 19 ... (53); Andrekson, Peter, 19 ... (26); Sunnerud, Henrik, 19 ... (12); Sköld, Mats, 1977 (11); Kylemark, Per, 1976 (11); Agrell, Erik, 1965 (10); visa fler...; Olsson, Bengt-Erik, ... (8); Radic, S. (7); Johannisson, Pontus, ... (4); Alic, N. (4); Ren, J (3); Westlund, Mathias, 1 ... (3); Moro, S. (3); Hughes, John, 1958 (2); Larsson-Edefors, Per ... (2); Stenström, Per, 1957 (2); Svensson, Lars, 1960 (2); Jeppson, Kjell, 1947 (2); Lundström, Carl Pete ... (2); Tong, Zhi, 1977 (2); Oda, Shoichiro, 1969 (2); Sheeran, Mary, 1959 (2); Björk, Magnus, 1977 (2); Själander, Magnus, 1 ... (2); Thuresson, Martin, 1 ... (2); Karlsson, Jonas, 197 ... (2); Yang, J. (1); Adolfsson, Göran, 19 ... (1); Jansson, Stefan, 195 ... (1); Sjödin, Martin E, 19 ... (1); Richardson, David J. (1); Mårtensson, Jonas (1); Karlsson, Jan, 1966- (1); von Heijne, Gunnar (1); Bland-Hawthorn, J. (1); Hedekvist, Per Olof ... (1); Samuelsson, Göran, 1 ... (1); Berndtsson, Bo, 1950 (1); Li, Jie, 1966 (1); Bako, Laszlo, 1959- (1); Villarejo, Arsenio (1); Rudhe, Charlotta (1); Bogris, Adonis (1); Rolland, Norbert (1); Grebe, Markus, 1967- (1); Burén, Stefan, 1979- (1); Chavez-Boggio, J. M. (1); Tipsuwannakul, Ekawi ... (1); Monné, Magnus (1); Shum, Ping (1); visa färre...

Lärosäte: Chalmers tekniska högskola (55); Göteborgs universitet (1); Umeå universitet (1); Stockholms universitet (1)

Språk: Engelska (56)

Forskningsämne (UKÄ/SCB): Teknik (48); Naturvetenskap (10)

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