Abstract
A hybrid ARQ retransmission method in a communication system wherein data packets consisting of encoded symbols are retransmitted based on an automatic repeat request. The data packets are combined with previously received data packets either on a symbol-by-symbol or a bit-to-bit basis. The symbols of the retransmitted data packets are modulated in a mapping unit employing a predetermined signal constellation. The bit sequence is modified prior to being input into the mapping entity by an interleaver and a logical bit inverter such that the combined mean bit reliabilities for the respective bits of all transmissions are averaged out.
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| AT303687T | 3G | 08/12/2005 | ISLD-200601-003 | PANASONIC CORP | Yes | Family Member | ||||
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Technologies
Signal Processing
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Wireless communication
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