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Träfflista för sökning "WFRF:(Gunnarsson Sten 1976) "

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1.	Chen, Jingjing, 1982, et al. (author) Influence of White LO Noise on Wideband Communication 2018 In: IEEE Transactions on Microwave Theory and Techniques. - 0018-9480 .- 1557-9670. ; 66:7, s. 3349-3359 Journal article (peer-reviewed)abstract Applying a spectrally efficient modulation to a wideband signal provides an extremely high data rate potential in millimeter-wave communication. In reality, wideband systems, as reported in open literature, typically suffer from insufficient signal-to-noise ratio (SNR) and thus are not able to support high-order modulation. In a recent experimental study, we have identified that a high noise floor from frequency-multiplied local oscillator (LO) sources is a major data rate limitation in wideband systems. In this paper, we present a detailed study with a mathematical model to describe the influence of the LO noise on a communication signal through frequency conversion. Followed by experimental investigations using multigigabit 64-quadrature amplitude modulation signals, measurements are performed at frequency up- and down-conversions. Both cases show SNR degradation on the frequency-converted signals as the corresponding LO noise floor increases. We provide experimental proof that the nature of the LO noise floor is white, with nearly the same amount of phase and amplitude noises. Various ways to reduce the white LO noise floor through the new hardware design are discussed providing design requirements and considerations.
2.	Christoffersen, Ronny, et al. (author) Single and Dual Fundamental Wideband Surface Mount VCO’s covering 2-25 GHz 2010 In: Gigahertz symposium 2010. Conference paper (peer-reviewed)
3.	Gunnarsson, Sten, 1976, et al. (author) 60 GHz Single-Chip Front-End MMICs and Systems for Multi-Gbps Wireless Communication 2007 In: IEEE Journal of Solid-State Circuits. ; 42, s. 14- Journal article (peer-reviewed)
4.	Gunnarsson, Sten, 1976, et al. (author) A 60 GHz MMIC Double Balanced Gilbert Mixer in mHEMT technology with Integrated RF, LO, and IF Baluns 2006 In: IEE Electronics Letters. ; 42:24, s. 1402-1403 Journal article (peer-reviewed)
5.	Gunnarsson, Sten, 1976, et al. (author) A 60 GHz MMIC pHEMT Image Reject Mixer with Integrated Ultra Wideband IF Hybrid and 30 dB of Image Rejection Ratio 2005 In: Asia Pacific Microwave Conference 2005 (APMC 2005). Conference paper (other academic/artistic)
6.	Gunnarsson, Sten, 1976, et al. (author) A Generic, Multi-Purpose, and Small-Size 60 GHz Transmit/Receive Module used for Secure WLAN Communication 2009 In: Microwave Conference, 2008. APMC 2008. Asia-Pacific, Macau, 16-20 Dec. 2008. - 9781424426416 ; , s. paper A1-29 (4 pages) Conference paper (peer-reviewed)
7.	Gunnarsson, Sten, 1976, et al. (author) Analysis and Design of Millimeter-Wave FET-Based Image Reject Mixers 2007 In: IEEE Trans. Microwave Theory Tech.. ; 55:10, s. 2065 - 2074 Journal article (peer-reviewed)
8.	Gunnarsson, Sten, 1976, et al. (author) Highly Integrated 60 GHz Transmitter and Receiver MMICs in a GaAs pHEMT Technology 2005 In: IEEE Journal of Solid-State Circuits. Journal article (peer-reviewed)
9.	Gunnarsson, Sten, 1976, et al. (author) Single-Chip 60 GHz Transmitter and Receiver MMICs for Very High Speed (several Gigabit/s) Wireless Transmission 2005 In: GigaHertz 2005. Conference paper (other academic/artistic)
10.	Gunnarsson, Sten, 1976, et al. (author) Single-Chip 60 GHz Transmitter and Receiver MMICs in a GaAs mHEMT Technology 2006 In: Proceedings of IEEE MTT-S International Microwave Symposium, 11-16 June, 2006. ; , s. 801-804 Conference paper (peer-reviewed)

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Type of publication: conference paper (28); journal article (23); doctoral thesis (1); licentiate thesis (1)

Type of content: peer-reviewed (41); other academic/artistic (12)

Author/Editor: Gunnarsson, Sten, 19 ... (53); Zirath, Herbert, 195 ... (46); Kozhuharov, Rumen, 1 ... (13); Wadefalk, Niklas, 19 ... (12); Kuylenstierna, Dan, ... (12); Abbasi, Morteza, 198 ... (10); show more...; Kärnfelt, Camilla, 1 ... (9); Angelov, Iltcho, 194 ... (9); Vassilev, Vessen, 19 ... (9); Ferndahl, Mattias, 1 ... (8); Cherednichenko, Serg ... (7); Fager, Christian, 19 ... (5); Kallfass, Ingmar (5); Leuther, Arnulf (5); Gavell, Marcus, 1981 (5); Svedin, J. (4); Kallfass, I. (4); Leuther, A. (4); Alping, Arne, 1953 (4); He, Zhongxia Simon, ... (4); Bryllert, Tomas, 197 ... (4); Svedin, Jan (4); Stake, Jan, 1971 (3); Alping, Arne (3); Vukusic, Josip, 1972 (3); Chen, Jingjing, 1982 (2); Emrich, Anders, 1962 (2); Rorsman, Niklas, 196 ... (2); Thorsell, Mattias, 1 ... (2); Hansson, Bertil, 194 ... (2); Kjellberg, Torgil, 1 ... (1); Eriksson, Thomas, 19 ... (1); Svensson, Christer (1); Dielacher, Franz (1); Pantaleev, Miroslav, ... (1); Sobis, Peter, 1978 (1); Andersson, Kristoffe ... (1); Nilsson, Per-Åke, 19 ... (1); Hallbjörner, Paul (1); Embretsén, Johan (1); Bao, Lei (1); Bao, Mingquang, 1962 (1); Nilsson, Torbjörn M. ... (1); Bremer, Johan, 1991 (1); Nilsson, Torbjörn, 1 ... (1); Ding Yuan, Chen, 199 ... (1); Malko, Aleksandra (1); Madel, Manfred (1); Raad, Peter E. (1); Komarov, Pavel L. (1); show less...

University: Chalmers University of Technology (53); Linköping University (1); RISE (1)

Language: English (53)

Research subject (UKÄ/SCB): Engineering and Technology (51); Natural sciences (5)

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