Multicarrier communication system and reception device for same

Details Multicarrier communication system and reception device for same Multicarrier communication system and reception device for same

2007-09-25

2007-09-25

Ha, Dac V. (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S147000, C375S262000, C375S285000, C375S346000, C714S794000, C370S203000, C370S344000, C370S442000, C370S478000

Reexamination Certificate

active

11049345

ABSTRACT:
A reception device receives and demodulates, for each subchannel, data transmitted independently via three subchannels, which are a subchannel of interest and the two upper and lower adjacent subchannels which interfere with the subchannel of interest. A reception portion provided for each subchannel computes, as a soft decision value, the probability that data received from the subchannel of interest is “0” and the probability that the data is “1”, taking into account the degree of coupling between channels, and moreover uses the soft decision values input from the two upper and lower adjacent reception devices to adjust and output the soft decision value for the subchannel of interest, and based on the adjusted soft decision value, decides whether the received data is “0” or “1”.

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E. Viterbo et al. How to combat long echoes in OFDM transmission schemes; Sub-channel equalization or more powerful channel coding. Global Telecommunications Conference, vol. 3, Nov. 13, 1995, pp. 2069-2074, XP002352598.
International Search Report dated Dec. 17, 2002.

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