Receiver device of communication system

Details Receiver device of communication system Receiver device of communication system

2007-12-25

2007-12-25

Ghayour, Mohammed (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S262000, C375S265000, C375S285000, C375S324000, C375S340000, C375S341000, C375S346000, C370S281000, C370S344000, C370S464000, C714S792000, C714S794000, C714S795000, C714S786000

Reexamination Certificate

active

11093974

ABSTRACT:
Two correlation signals which are obtained by computing correlations between two reference signals and a reception signal are inputted to a level-0cell, the reference signals being generated on the basis of combinations of crosstalk coefficients. A level-1soft judgment target signal is produced by using soft judgment target signals that are outputted by two sets of level-0cells respectively and, similarly, a level (N+1) cell is formed by using two sets of level-N cells, whereby a soft judgment target signal creation portion with a hierarchical structure is constituted. A judgment unit outputs a soft judgment value of the target subchannel on the basis of the soft judgment target signal that is outputted by the level (N+1) cell, and judges a reception signal.

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K. Sathananthan et al. Probability of Error Calculation of OFDM Systems with Frequency Offset. IEEE Transactions on Communications pp. 1884-1888, vol. 49, No. 11, Nov. 2001.
Alexander N. Lozhkin. Performance Evaluation of Turbo-receiver for ICI Cancellation in OFDM-Based System. Fujitsu Laboratories, LTD. Mar. 19, 2003.

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