The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 15, 2018

Filed:

Dec. 28, 2015
Applicant:

Mediatek Inc., Hsinchu, TW;

Inventors:

Chien-Hwa Hwang, Hsinchu County, TW;

Yi-Ju Liao, Hsinchu, TW;

Tze-Ping Low, Lexington, MA (US);

Lung-Sheng Tsai, Tainan, TW;

Assignee:

MEDIATEK INC., HsinChu, TW;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 72/12 (2009.01); H04L 1/18 (2006.01); H04W 52/26 (2009.01); H04W 52/24 (2009.01); H04L 1/00 (2006.01); H04W 28/06 (2009.01); H04W 28/22 (2009.01); H04L 5/00 (2006.01); H04L 5/14 (2006.01);
U.S. Cl.
CPC ...
H04L 1/1812 (2013.01); H04L 1/0067 (2013.01); H04L 1/1822 (2013.01); H04L 1/1845 (2013.01); H04L 1/1896 (2013.01); H04L 5/0053 (2013.01); H04L 5/0069 (2013.01); H04W 52/243 (2013.01); H04W 52/267 (2013.01); H04W 72/1252 (2013.01); H04L 5/001 (2013.01); H04L 5/0023 (2013.01); H04L 5/14 (2013.01); H04W 28/065 (2013.01); H04W 28/22 (2013.01); H04W 52/262 (2013.01); H04W 72/12 (2013.01);
Abstract

When the codeword level interference cancellation (CW-IC) is used at the receiver in conjunction with the superposition coding scheme at the transmitter, it is helpful if the soft buffer at the receiver is reserved not only for the desired transport blocks (TBs) but also for the interfering TBs handled by the CW-IC. In so doing, the soft channel bits of interfering TBs at multiple (re)transmissions can be combined to enhance the success rate of data decoding. A soft buffer partition method for the soft channel bits of the desired and interfering TBs in the superposition coding scheme is proposed. The proposed method has a full flexibility in adjusting the soft buffer sizes for the desired and interfering TBs.


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