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Träfflista för sökning "WFRF:(Svensson Tommy) "

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1.	Behravan, Ali, 1971, et al. (author) System implications in designing a 60 GHz WLAN RF front end 2001 In: Proceedings GHz 2001, Lund, Sweden. Conference paper (peer-reviewed)
2.	Krishnan, Rajet, 1982, et al. (author) Variational Bayesian Framework for Receiver Design in the Presence of Phase Noise in MIMO Systems 2012 In: IEEE Wireless Communications and Networking Conference, WCNC. - 1525-3511. - 9781467304375 ; , s. 347-352 Conference paper (peer-reviewed)abstract In this work, the problem of receiver design for phasenoise estimation and data detection in the presence of oscillator phase noise in a point-to-point multiple-input multiple-output (MIMO) system is addressed. First, we discuss some interesting and challenging aspects in receiver design for MIMO systems in thepresence of Wiener phase noise. Then, using the variational Bayesian (VB) framework, a joint iterative phase noise estimator and symbol detector are developed based on inverse Gibbs or variational free energy maximization. Further, the symbol error probability (SEP) of the newly proposed iterative scheme is compared with the optimal ML detector with perfect phase information for 16-PSK and 16-QAM modulation schemes.
3.	Sternad, Mikael, et al. (author) Towards systems beyond 3G based on adaptive OFDMA transmission 2007 In: Proceedings of the IEEE. - 0018-9219 .- 1558-2256. ; 95:12, s. 2432-2455 Research review (peer-reviewed)abstract High data rates, high spectral efficiency, flexibility, and low delays over the air interface will be important features in next-generation wireless systems. The overall challenge will be packet scheduling and adaptive radio transmission for multiple users, via multiple antennas and over frequency-selective wideband channels. This problem needs to be structured to obtain feasible solutions. The basic simplifying assumptions used here are clustering of antennas into cells, orthogonal transmission by use of cyclic-prefix orthogonal frequency-division multiplexing (OFDM) and a time-scale separation view of the total link adaptation, scheduling and intercell coordination problem. Based on these assumptions, we survey techniques that adapt the transmission to the temporal, frequency, and spatial channel properties. We provide a systematic overview of the design problems, such as the dimensioning of the allocated time-frequency resources, the influence of duplexing schemes, adaptation control issues for downlinks and uplinks, timing issues, and their relation to the required performance of channel predictors. Specific design choices are illustrated by recent research within the Swedish Wireless IP program and the EU IST-WINNER project. The presented results indicate that high-performance adaptive OFDM transmission systems are indeed feasible, also for challenging scenarios that involve vehicular velocities, high carrier frequencies, and high bandwidths
4.	Svensson, Tommy, 1970, et al. (author) Complexity and performance of spectrally efficient continuous phase modulation 2001 In: Proceedings Nordic Radio Symposium, Nynäshamn, Sweden. Conference paper (peer-reviewed)
5.	Svensson, Tommy, 1970, et al. (author) Constrained Envelope Continuous Phase Modulation 2003 In: Proceedings Vehicular Technology Conference Spring, Jeju, Korea. Conference paper (peer-reviewed)
6.	Svensson, Tommy, 1970, et al. (author) Design and Performance of Constrained Envelope Continuous Phase Modulation 2009 In: Proceedings IEEE 4th International Waveform Diversity and Design Conference, Orlando, Florida, USA. - 9781424429714 ; , s. 312-316 Conference paper (peer-reviewed)abstract We have developed a coded modulation system withcontinuous phase and a small controlled envelope variation called Constrained Envelope Continuous Phase Modulation (ceCPM). For the spectrally efficient scenarios, within the ceCPM framework it is possible to find schemes with an SNR gain up to 2.5 dB over Continuous Phase Modulation (CPM) at symbol error probability 10−3, under the same requirement on spectral confinement and spectral efficiency as for the best CPM scheme. In this paper we discuss the design process for how to obtain such ceCPM schemes, and we elaborate on the properties of these ceCPM schemes.
7.	Svensson, Tommy, 1970, et al. (author) Empirical Model for Spectrally Efficient Continuous Phase Modulation 2003 In: Proceedings Vehicular Technology Conference Fall, Orlando, Florida, USA. Conference paper (peer-reviewed)
8.	Svensson, Tommy, 1970, et al. (author) Maximizing minimum Euclidean distance of spectrally constrained partial response CPM 2001 In: Proceedings IEEE Vehicular Technology Conference Spring, Rhodes, Greece. ; , s. 1342-1346 Conference paper (peer-reviewed)
9.	Svensson, Tommy, 1970, et al. (author) Multi-pulse Continuous Phase Modulation 2002 In: Proceedings 5th International Symposium on Wireless Personal Multimedia Communications, Honolulu, Hawaii, USA. Conference paper (peer-reviewed)
10.	Svensson, Tommy, 1970, et al. (author) On Convolutionally Encoded Partial Response CPM 1999 In: Proceedings IEEE Vehicular Technology Conference Fall, Amsterdam, the Netherlands. ; , s. 663-667 Conference paper (peer-reviewed)

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Type of publication: journal article (221); conference paper (179); reports (58); book chapter (24); other publication (17); doctoral thesis (11); show more...; book (3); research review (3); editorial collection (2); licentiate thesis (2); review (1); show less...

Type of content: peer-reviewed (387); other academic/artistic (122); pop. science, debate, etc. (12)

Author/Editor: Svensson, Tommy, 197 ... (324); Makki, Behrooz, 1980 (75); Svensson, Tommy (71); Li, Jingya, 1986 (38); Eriksson, Thomas, 19 ... (37); Sternad, Mikael (28); show more...; Botella Mascarell, C ... (26); Andersson, Tommy (23); Alouini, Mohamed-Sli ... (21); Sternad, Mikael, 195 ... (21); Svensson, Tommy, 195 ... (21); Svensson, Lars-Gunna ... (19); et, al. (16); Yutao, Sui, 1984 (16); Papadogiannis, Agisi ... (15); Lakshmana, Tilak Raj ... (15); Nasiri-Kenari, Masou ... (14); Svensson, Arne, 1955 (13); Aronsson, Daniel (13); Xu, Xiaodong (13); Fang, Chao, 1991 (13); Vihriälä, Jaakko (12); Rissler, Jenny (11); Olsson, Tommy (11); Cedervall, Tommy (11); Tölli, Antti (11); Ström, Erik, 1965 (10); Pagels, Joakim (10); Ryberg, Mats (10); Fallgren, Mikael (10); Mahmoodi, Toktam (10); Messing, Maria (10); D'Amico, Valeria (10); Ståhl, Christian, 19 ... (10); Wymeersch, Henk, 197 ... (9); Björklund, Anita (9); Boldi, Mauro (9); Stomby, Andreas (9); Weitkemper, Petra (9); Halbauer, Hardy (9); Tao, Xiaofeng (9); Auer, Gunther (8); Ehlers, Lars (8); Li, Zexian (8); Wanlu, Sun, 1986 (8); Zirwas, Wolfgang (8); Ktenas, Dimitri (8); Zorzi, Michele (8); Schellmann, Malte (8); Otten, Julia, 1973- (8); show less...

University: Chalmers University of Technology (329); Linköping University (76); Lund University (62); Uppsala University (32); Umeå University (18); Royal Institute of Technology (9); show more...; University of Gothenburg (8); Örebro University (7); Jönköping University (7); Karolinska Institutet (6); Luleå University of Technology (5); Linnaeus University (5); Stockholm University (4); Swedish University of Agricultural Sciences (4); Halmstad University (3); Malmö University (3); Kristianstad University College (2); Karlstad University (2); Högskolan Dalarna (2); Swedish Museum of Natural History (2); VTI - The Swedish National Road and Transport Research Institute (2); show less...

Language: English (482); Swedish (38); Norwegian (1)

Research subject (UKÄ/SCB): Engineering and Technology (343); Natural sciences (69); Medical and Health Sciences (49); Social Sciences (47); Agricultural Sciences (4); Humanities (2)

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