Method and apparatus for decoding punctured subframes

Details Method and apparatus for decoding punctured subframes Method and apparatus for decoding punctured subframes

2007-11-13

2007-11-13

Kumar, Pankaj (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

Reexamination Certificate

active

10392511

ABSTRACT:
System and method for decoding punctured subframes. A preferred embodiment comprises a first deinterleaver unit (for example, 5-ms deinterleaver502) and a second deinterleaver unit (for example, 20-ms deinterleaver504) operating in parallel, deinterleaving one symbol stream using 5- and 20-ms duration frame formats, for example. After the reception of each 5-ms subframe, the subframe is decoded in a decode unit (for example, rate matching, decoding, and CRC checking (RDC) unit530) to verify that the subframe contains 5 ms duration frame data. If so, the subframe is noted. If all 5-ms subframes in a 20-ms duration frame contain 5-ms duration data, no decoding of results by the second deinterleaver unit is needed. If the entire 20-ms duration frame is not all 5-ms duration data, then the 5-ms duration data subframes are zeroed and the remaining data is decoded as 20-ms duration data.

REFERENCES:
patent: 5555024 (1996-09-01), Limberg
patent: 6983166 (2006-01-01), Shiu et al.
patent: 2003/0128674 (2003-07-01), Kong et al.

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