Pulse or digital communications – Transmitters
Reexamination Certificate
2011-01-18
2011-01-18
Bocure, Tesfaldet (Department: 2611)
Pulse or digital communications
Transmitters
Reexamination Certificate
active
07873117
ABSTRACT:
A base station apparatus wherein the interference suppression symbol combination can be performed in a case of using the repetition technique in a multicarrier communication. In a base station (100), a repetition part (103) repeats or copies each of data symbols received from a modulating part (102) to create a plurality of same data symbols. A phase rotating part (106) imparts, in accordance with a phase rotation angle set by a setting part (107), phase rotations to the pilot and data symbols received from a multiplexing part (105). At this moment, the phase rotating part (106) imparts the phase rotations of the same angle to the pilot and data symbols assigned to the same subcarrier. Further, the phase rotating part (106) causes the phase rotation difference between the same data symbols in a cell to be different from the phase rotation difference between the same symbols in an adjacent cell.
REFERENCES:
patent: 2004/0190482 (2004-09-01), Baum et al.
patent: 2006/0120473 (2006-06-01), Baum
patent: 2009/0075700 (2009-03-01), Fukuoka et al.
patent: 1630991 (2006-03-01), None
International Search Report dated Aug. 15, 2006.
N. Maeda, et al. “Performance Comparisons between OFCDM and OFDM in a Forward Link Broadband Channel,” Technical Report of IEICE, pp. 95-100, Aug. 2002.
Fukuoka Masaru
Futagi Sadaki
Matsumoto Atsushi
Miyoshi Ken'ichi
Nishio Akihiko
Bocure Tesfaldet
Dickinson Wright PLLC
Panasonic Corporation
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