Pulse or digital communications – Transmitters
Reexamination Certificate
2011-07-19
2011-07-19
Timory, Kabir A (Department: 2611)
Pulse or digital communications
Transmitters
C375S261000, C375S260000, C375S298000, C375S299000, C375S349000
Reexamination Certificate
active
07983357
ABSTRACT:
A method of transmitting data in a multi-carrier communication system is disclosed. More specifically, the method includes mapping at least one data symbol to at least one subcarrier of a first frequency domain and at least one data symbol to at least one subcarrier of a second frequency domain, wherein the first frequency domain and the second frequency domain are mutually exclusive and the at least one data symbol mapped to the at least one subcarrier of the second frequency domain is multiplied by a spreading code, transforming the at least one data symbol mapped to the first frequency domain and the at least one data symbol mapped to the second frequency domain by an inverse discrete Fourier transform (IDFT) module, and transmitting the transformed data symbols to a receiving end.
REFERENCES:
patent: 2005/0226141 (2005-10-01), Ro et al.
patent: 2006/0256839 (2006-11-01), Tsai et al.
patent: 1547818 (2004-11-01), None
patent: WO 2004/008681 (2004-01-01), None
patent: 2004/019532 (2004-03-01), None
Ranlefs R. et al., “Comparing Multicarrier Based Broadband Systems for Higher Modulation Cardinalities.”, 60th Vehicular Technology Conference 2004, Los Angeles, CA, USA, Sep. 26, 2004; pp. 3398-3403; XP010787506, ISBN 0-7803-8521-7.
Ahn Joon Kui
Kim Bong Hoe
Kim Hak Seong
Lee Jung Hoon
Roh Dong Wook
Lee Hong Degerman Kang & Waimey
LG Electronics Inc.
Timory Kabir A
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