Multi-carrier communication apparatus

Details Multi-carrier communication apparatus Multi-carrier communication apparatus

2006-01-24

2006-01-24

Nguyen, Lee (Department: 2682)

Telecommunications

Transmitter and receiver at separate stations

Single message via plural carrier wave transmission

C455S063100, C455S065000, C455S067140, C455S504000, C370S203000, C375S260000

Reexamination Certificate

active

06990318

ABSTRACT:
A multi-carrier communications apparatus which communicates between a first station and a second station as a destination station using a reference signal used for estimating a state of a channel, the multi-carrier communications apparatus comprising a multi-carrier modulator which modulates data on a plurality of subcarriers, a transmission unit configured to transmit the reference signal together with the data modulated to the destination station every subcarrier, and a control unit configured to control a reference signal transmission pattern according to a given communication condition, the reference signal transmission pattern including a transmission interval of the reference signal transmitted by the transmission unit.

REFERENCES:
patent: 5867528 (1999-02-01), Verbueken
patent: 5901185 (1999-05-01), Hassan
patent: 6567374 (2003-05-01), Bohnke et al.
patent: 2982797 (1999-09-01), None
patent: 2000-151732 (2000-05-01), None
patent: 2001-77788 (2001-03-01), None
patent: 2001-339363 (2001-12-01), None
patent: 2003-60609 (2003-02-01), None
MaJulia Fernandez-Getino Garcia, et al. “Efficient Pilot Patterns for Channel Estimation in OFDM Systems Over HF Channels”, Proceedings of 50th Vehicular Technology Conference, 1999, pp. 2193-2197.

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