Incremental redundancy using two stage rate matching for...

Details Incremental redundancy using two stage rate matching for... Incremental redundancy using two stage rate matching for...

2008-05-13

2008-05-13

Gesesse, Tilahun (Department: 2618)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S335000, C370S341000, C455S450000

Reexamination Certificate

active

10269441

ABSTRACT:
Methods and apparatus for processing a data stream for high speed wireless Transmission. At the transmission side, the methods and apparatus rate-match an encoded stream of combined information bits and corresponding cyclic redundancy bits in two stages. The first rate matching stage punctures (throws away) or repeats bits such that the number of bits in the data stream is equal to the size of a mobile unit buffer. The second rate matching stage further punctures or alternately repeats bits in the data stream so that the total number of bits in the resulting data stream is equal to the frame size of the transport channel. The bits punctured or repeated by the second rate matching varies according to different versions of parameters for any retransmissions. At the receiver side, the two-stage rate matching is reversed to restore the original encoded data stream. The encoded data stream is then decoded and repeated, if necessary.

REFERENCES:
patent: 6697986 (2004-02-01), Kim et al.
patent: 7000173 (2006-02-01), Buckley et al.
patent: 7013143 (2006-03-01), Love et al.
patent: 7197021 (2007-03-01), Seo et al.
patent: 7260770 (2007-08-01), Stewart et al.
patent: 7272191 (2007-09-01), Taffin et al.
patent: 2003/0079170 (2003-04-01), Stewart et al.

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