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. 22, 2018

Filed:

Aug. 17, 2015
Applicant:

Mediatek Inc., Hsin-Chu, TW;

Inventors:

Ming-Fong Jhang, Zhubei, TW;

Yu-Cheng Chen, Jhubei, TW;

Sheng-Chieh Wang, New Taipei, TW;

Yu-Ting Yao, Tainan, TW;

Assignee:

MEDIATEK INC., Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04W 24/02 (2009.01); H04L 5/00 (2006.01); H04L 1/18 (2006.01);
U.S. Cl.
CPC ...
H04L 5/0055 (2013.01); H04L 1/1812 (2013.01); H04W 24/02 (2013.01); H04W 72/0413 (2013.01);
Abstract

A communications apparatus includes a radio transceiver and a processor. The radio transceiver receives a plurality of feedback messages from a peer device. The feedback messages are transmitted by the peer device to indicate a result of UL data transmission. The processor analyzes content of the feedback messages to determine a preferred retransmission type of the peer device and records the preferred retransmission type of the peer device in a memory device. When the radio transceiver receives a first UL grant message indicating transmission of a first UL data and the processor determines that a forthcoming first feedback message corresponding to the transmission of the first UL data is unable to be received, the processor determines whether to retransmit the first UL data according to the preferred retransmission type of the peer device.


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