Data rate matching method in 3GPP2 system

Details Data rate matching method in 3GPP2 system Data rate matching method in 3GPP2 system

2005-05-24

2005-05-24

Baker, Stephen M. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Data formatting to improve error detection correction...

C341S061000

Reexamination Certificate

active

06898743

ABSTRACT:
A flexible data rate matching method in a 3GPP2 system is disclosed that supports flexible data rate repetition on a physical layer of synchronous cdma2000 in an interleaving process. The process includes repeating bits of a channel encoded bitstream with one of a plurality of repetition factors, for matching a length of a repeated bitstream to an interleaving depth, or alternatively, fixing an index of an offset bit, where bit repetition of the channel encoded bitstream is started therefrom, for making the repetition pattern of the channel encoded bitstream to be a desired bit repetition pattern, fixing a repetition factor according to an initial parameter defined by the index of a fixed offset bit, repeating a bit of relevant index, and updating the initial parameter according to the fixed repetition factor, and repeating a process of fixing the repetition factor of a next bit according to the updated initial parameter, repeating the next bit, and re-updating the updated initial parameter, for matching a length of the repeated bitstream to the interleaving depth.

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Samsung Electronics, “Puncturing for Flexible Data Rate,” Seattle, Washington, Apr. 26, 2000, 3GPP2-C30-20000426.
Qualcomm Incorporated, “Puncturing for Flexible Data Rates,” Vancouver, British Columbia, Jun. 6, 2000, C30-20000606-006.

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