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Träfflista för sökning "(WFRF:(Ottosson Tony 1969 )) "

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  • Result 11-20 of 110
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11.
  • Agrell, Erik, 1965, et al. (author)
  • On the optimality of the binary reflected Gray code
  • 2004
  • In: IEEE Transactions on Information Theory. - 0018-9448 .- 1557-9654. ; 50:12, s. 3170-3182
  • Journal article (peer-reviewed)abstract
    • This paper concerns the problem of selecting a binary labeling for the signal constellation in M-PSK, M-PAM, and M-QAM communication systems. Gray labelings are discussed and the original work by Frank Gray is analyzed. As is noted, the number of distinct Gray labelings that result in different bit-error probability grows rapidly with increasing constellation size. By introducing a recursive Gray labeling construction method called expansion, the paper answers the natural question of what labeling, among all possible constellation labelings, will give the lowest possible average probability of bit errors for the considered constellations. Under certain assumptions on the channel, the answer is that the labeling proposed by Gray, the binary reflected Gray code, is the optimal labeling for all three constellations, which has, surprisingly, never been proved before.
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12.
  • Agrell, Erik, 1965, et al. (author)
  • The binary reflected Gray code is optimal for M-PSK
  • 2004
  • In: Proc. IEEE International Symposium on Information Theory, Chicago, Illinois, USA. - 0780382803 ; , s. 164-
  • Conference paper (peer-reviewed)abstract
    • This paper is concerned with the problem of selecting a binary labeling for the signal constellation in an M-PSK communication system. A good starting point is labelings having the Gray property, but this is not altogether enough, since the number of distinct Gray labelings that result in different bit error probability grows rapidly with increasing constellation size. By introducing a recursive Gray labeling construction method called expansion, the paper answers the natural question of what labeling, among all possible constellation labelings (not only Gray), that will give the lowest possible average probability of bit errors. Under certain assumptions on the channel, the answer is that the labeling originally proposed by Gray, the binary reflected Gray code, is the optimal labeling for M-PSK systems, which has, surprisingly, never been proved before.
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13.
  • Ahlén, Anders, et al. (author)
  • Wireless IP - a new PCC project
  • 1999
  • In: Proc. PCC Workshop, Lund, Sweden. ; , s. 100-101
  • Conference paper (peer-reviewed)
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14.
  • Berens, Friedbert, et al. (author)
  • Modulation and Coding
  • 2000
  • In: Third Generation Mobile Communication Systems (Ramjee Prasad, Werner Mohr and Walter Konhäuser editors), chapter 5. - 1580530826
  • Book chapter (other academic/artistic)
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20.
  • Eriksson, Thomas, 1964, et al. (author)
  • Compression of feedback for adaptive modulation and scheduling
  • 2007
  • In: IEEE Proceedings. ; 95:12, s. 2314-2321
  • Journal article (peer-reviewed)abstract
    • For wireless systems with adaptive modulation and/or scheduling, feedback of channel quality information is often necessary. It has been questioned whether the increased system performance is worth the additional feedback rate and the increased algorithm complexity.
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  • Result 11-20 of 110
Type of publication
conference paper (73)
journal article (22)
reports (9)
book chapter (3)
doctoral thesis (1)
research review (1)
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licentiate thesis (1)
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Type of content
peer-reviewed (96)
other academic/artistic (14)
Author/Editor
Ottosson Gadd, Tony, ... (110)
Svensson, Arne, 1955 (35)
Ström, Erik, 1965 (29)
Orten, Pål, 1966 (20)
Frenger, Pål, 1968 (18)
Lassing, Johan, 1973 (15)
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Sternad, Mikael, 195 ... (11)
Brunström, Anna (11)
Ahlén, Anders (10)
Agrell, Erik, 1965 (10)
Falahati, Sorour, 19 ... (9)
Skoglund, Mikael, 19 ... (6)
Wang, Yi-Pin Eric (5)
Svensson, Tommy, 197 ... (4)
Eriksson, Thomas, 19 ... (4)
Wolfgang, Andreas, 1 ... (4)
Edfors, Ove (3)
Zihuai, Lin, 1967 (3)
Maseng, Torleiv (3)
Johansson, Ann-Louis ... (3)
Auer, Gunther (2)
Viberg, Mats, 1961 (2)
Bottomley, Gregory E ... (2)
Leandersson, Carl Fr ... (2)
Coldrey, Mikael, 197 ... (1)
et, al. (1)
Moretti, Marco (1)
Brunstrom, Anna (1)
Sternad, Mikael (1)
Aronsson, Daniel (1)
Ekman, Torbjörn (1)
Saul, Andreas (1)
Berens, Friedbert (1)
Bing, Torsten (1)
Cercas, Francisco (1)
Correia, Américo (1)
Janssen, Gerard (1)
Bohlin, Patrik, 1974 (1)
Ranheim, Anders, 196 ... (1)
Wodczak, Michal (1)
Cheng, Jung-Fu (1)
Costa, Elena (1)
Pfletschinger, Steph ... (1)
Ericsson, Nilo Casim ... (1)
Piatyszek, Adam (1)
Trifonov, Peter (1)
Mielczarek, Bartosz, ... (1)
Garcia Armada, Ana (1)
Gil Jiménez, Victor ... (1)
Fernández-Getino Gar ... (1)
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University
Chalmers University of Technology (110)
Uppsala University (6)
Karlstad University (3)
Lund University (1)
Language
English (110)
Research subject (UKÄ/SCB)
Natural sciences (89)
Engineering and Technology (25)

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