Fundamentals of Computing and Discrete Mathematics

Publications

Refereed journal articles

  1. H.-F. Lu, C. Hollanti, R. Vehkalahti, and J. Lahtonen, DMT optimal code constructions for multiuser MIMO channel, IEEE Trans. Inf. Theory, 2010, to appear.
  2. R. Vehkalahti, The Coding Gain of Real Matrix Lattices: Bounds and Existence Results, IEEE Trans. Inf. Theory, 56(9), 2010.
  3. H.-F. Lu and C. Hollanti, Optimal diversity multiplexing tradeoff and code constructions of constrained asymmetric MIMO systems, IEEE Trans. on Inform. Theory, 55(5), 2010.
  4. H.-F. Lu, R. Vehkalahti, C. Hollanti, J. Lahtonen, Y. Hong, and E. Viterbo, New space-time code constructions for two-user multiple access channels, IEEE J. on Special Topics in Signal Processing: Managing Complexity in Multi-user MIMO Systems, Dec. 2009.
  5. R. Vehkalahti, C. Hollanti, J. Lahtonen, and K. Ranto, On the densest MIMO lattices from cyclic division algebras, IEEE Trans. on Inform. Theory, vol. 55, no. 8, Aug. 2009. Available from ArXiv.
  6. C. Hollanti and H.-F. Lu, Construction methods for asymmetric and multi-block space-time codes, IEEE Trans. Inf. Theory, vol. 55, no. 3, pp. 1086-1103, March 2009.
  7. J. Lahtonen, N. Markin, and G. McGuire, Construction of multi-block space-time codes from division algebras with roots of unity as non-norm elements, IEEE Trans. Inf. Theory, vol. 54, no. 11, pp. 5231-5235, Nov. 2008.
  8. C. Hollanti, J. Lahtonen, and H.-F. Lu, Maximal orders in the design of dense space-time lattice codes, IEEE Trans. Inf. Theory, vol. 54, no. 10, pp. 4493-4510, Oct. 2008.

    9. Refereed conference articles

    (Some are partly contained in the journal papers)
  9. T. Jokela, C. Hollanti, J. Lahtonen, R. Vehkalahti, and J. Paavola, Performance evaluation of 4x2 MIMO schemes for mobile broadcasting, in Proc. 2011 IEEE Int. Symp. on Broadband Multimedia Systems and Broadcasting, Germany, June 2011, to appear.
  10. R. Vehkalahti, C. Hollanti, J. Lahtonen, and H.-F. Lu, Some simple observations on MISO codes, in Proc. 2010 Int. Symp. Inf. Theory and its Appl. (ISITA), Taiwan, Oct. 2010.
  11. R. Vehkalahti, C. Hollanti, and J. Lahtonen, A family of cyclic division algebra based fast-decodable 4 x 2 space-time block codes, in Proc. 2010 Int. Symp. Inf. Theory and its Appl. (ISITA), Taiwan, Oct. 2010.
  12. F. Oggier, C. Hollanti, and R. Vehkalahti, An Algebraic MIDO-MISO Code Construction, in Proc. 2010 IEEE International Conference on Signal Procesing and Communications (SPCOM), Bangalore, India, July 2010.
  13. F. Oggier, R. Vehkalahti, and C. Hollanti, Fast-decodable MIDO codes from crossed product algebras, in Proc. 2010 IEEE Int. Symp. Inform. Theory (ISIT), Austin TX, USA, June 2010.
  14. H.-F. Lu, J. Lahtonen, R. Vehkalahti, and C. Hollanti, Remarks on the criteria of constructing mac-dmt optimal codes, in Proc. 2009 IEEE Inform. Theory Workshop, Cairo, Egypt, 2010, available from ArXiv.
  15. J. T. Lahtonen, R. Vehkalahti, H. feng Lu, C. Hollanti, and E. Viterbo, On the decay of the determinants of multiuser mimo lattice codes, in Proc. 2009 IEEE Inform. Theory Workshop, Cairo, Egypt, 2010, available from ArXiv.
  16. R. Vehkalahti, Some simple observations on lattice codes, in Proc. 2009 IEEE Inf. Theory Workshop, Taormina, Italy, Oct. 2009.
  17. R. Vehkalahti, Some properties of alamouti-like miso codes, in Proc. 2009 IEEE Int. Symp. Inform. Theory, Seoul, South Korea, Jul. 2009.
  18. C. Hollanti, H.-F. Lu, and R. Vehkalahti, An algebraic tool for obtaining conditional non-vanishing determinants, in Proc. 2009 IEEE Int. Symp. Inform. Theory, Seoul, South Korea, Jul. 2009.
  19. H.-F. Lu and C. Hollanti, Diversity-multiplexing tradeoff-optimal code constructions for symmetric MIMO multiple access channels, in Proc. 2009 IEEE Int. Symp. Inform. Theory, Seoul, South Korea, Jul. 2009.
  20. C. Hollanti and K. Ranto, Maximal orders in space-time coding: Construction and decoding, in Proc. 2008 Int. Symp. Inf. Theory and its Appl. (ISITA), Auckland, New Zealand, Dec. 2008.
  21. C. Hollanti and H.-F. Lu, Constructing asymmetric space-time codes with the smart puncturing method, in Proc. 2008 IEEE Int. Symp. Inform. Theory, Toronto, ON, Jul. 2008.
  22. C. Hollanti, J. Lahtonen, K. Ranto, R. Vehkalahti, and E. Viterbo, On the algebraic structure of the Silver code: A 2x2 Perfect space-time code with non-vanishing determinant, in Proc. 2008 IEEE Inf. Theory Workshop, Porto, Portugal, May 2008.
  23. C. Hollanti and H.-F. Lu, On the construction of DMT-optimal AST codes with transmit antenna selection, in Proc. 2008 IEEE Int. Symp. Inform. Theory, Toronto, ON, Jul. 2008, full version submitted to IEEE Trans. Inf. Theory, Apr. 2008.
  24. J. Lahtonen and R. Vehkalahti, Dense mimo matrix lattices - a meeting point for class field theory and invariant theory, in Proc. Applied Algebra, Algebraic Algorithms, and Error Correcting Codes (AAECC-17), Bangalore, India, 2007.
  25. C. Hollanti and H.-F. Lu, Normalized minimum determinant calculation for multi-block and asymmetric space-time codes, in Proc. Applied Algebra, Algebraic Algorithms and Error Correcting Codes, Bangalore, India, 2007, p. 227.
  26. J. Lahtonen, Dense MIMO matrix lattices and class field theoretic themes in their construction, in Proc. 2007 IEEE Inform. Theory Workshop, Solstrand, Norway, Jul. 2007.
  27. R. Vehkalahti, Constructing optimal division algebras for space-time coding, in Proc. 2007 IEEE Inform. Theory Workshop, Solstrand, Norway, Jul. 2007.
  28. C. Hollanti and K. Ranto, Asymmetric space-time block codes for MIMO systems, in Proc. 2007 IEEE Inform. Theory Workshop, Solstrand, Norway, Jul. 2007, pp. 101--105.
  29. C. Hollanti and K. Ranto, On MIDO space-time block codes, in Proc. 2007 IEEE Int. Symp. Inform. Theory, Nice, France, Jun. 2007.
  30. C. Hollanti, Code controlled sphere decoding of four efficient MISO lattices, in Proc. 2006 Int. Symp. Inf. Theory and its Appl. (ISITA), Seoul, South-Korea, Oct. 29-Nov. 1, 2006.
  31. C. Hollanti, J. Lahtonen, K. Ranto, and R. Vehkalahti, Optimal matrix lattices for MIMO codes from division algebras, in Proc. 2006 IEEE Int. Symp. Inform. Theory, Seattle, WA, Jul. 2006, pp. 783 -- 787.
  32. C. Hollanti and J. Lahtonen, A new tool: Constructing STBCs from maximal orders in central simple algebras, in Proc. 2006 IEEE Inform. Theory Workshop, Punta del Este, Uruguay, Mar. 13-17 2006.
  33. J. Hiltunen, C. Hollanti, and J. Lahtonen, Dense full-diversity matrix lattices for four antenna miso channel, in Proc. 2005 IEEE Int. Symp. Inform. Theory, Adelaide, Australia, Sep. 4-9 2005, pp. 1290--1294.
  34. J. Hiltunen, C. Hollanti, and J. Lahtonen, Four antenna space-time lattice constellations from division algebras, in Proc. 2004 IEEE Int. Symp. Inform. Theory, Chicago, IL, June 27-July 2 2004.

    35. Submitted papers

  35. C. Hollanti, R. Vehkalahti, and Y. Nasser, Algebraic hybrid satellite-terrestrial space-time codes for digital broadcasting in SFN, IEEE Int. Symp. Inform. Theory (ISIT), St. Petersburg, Russia, submitted Feb. 2011.
  36. R. Vehkalahti and C. Hollanti, A General Framework for Constructing Fast-Decodable Asymmetric Space-Time Codes, IEEE Int. Symp. Inform. Theory (ISIT), St. Petersburg, Russia, submitted Feb. 2011.
  37. R. Vehkalahti, C. Hollanti, and F. Oggier, Fast-decodable asymmetric space-time codes from division algebras, IEEE Trans. Inf. Theory, submitted Oct. 2010.
  38. C. Hollanti, R. Kumar, J. Lahtonen, H.-F. F. Lu, R. Vehkalahti, Space-time block codes for the 2 Tx + 2 Rx and 4 Tx + 2Rx antenna MIMO systems, DVB TM-H NGH Call for Technologies (CfT)Proposal, February 2010.

    39. Doctoral dissertations

  39. C. Hollanti, Order-theoretic methods for space-time coding: Symmetric and asymmetric designs, Ph.D. dissertation, 2009, TUCS Dissertations Series, no. 111, https://oa.doria.fi/handle/10024/43000
  40. R. Vehkalahti, Class field theoretic methods in the design of lattice signal constellations, Ph.D. dissertation, 2008, TUCS Dissertations Series, no. 100, https://oa.doria.fi/handle/10024/36604.
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