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.
Patent No.:
Date of Patent:
Sep. 27, 2011
Filed:
Mar. 11, 2008
Ya-ling Hsu, Tainan County, TW;
Chi-shiu Chen, Taipei County, TW;
Yu-kai Huang, Taichung, TW;
Tzu-jane Tsai, Hsinchu County, TW;
Ai-chun Pang, Taipei County, TW;
Ya-Ling Hsu, Tainan County, TW;
Chi-Shiu Chen, Taipei County, TW;
Yu-Kai Huang, Taichung, TW;
Tzu-Jane Tsai, Hsinchu County, TW;
Ai-Chun Pang, Taipei County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A data transmission method suitable for a communication system is provided. The communication system includes a plurality of first stations which uses an 802.11 protocol and a plurality of second stations which uses an 802.11e protocol and supports Quality of Service (QoS). The data transmission method includes following steps. One of the second stations is used as a Contention AssisTance (CAT) station to obtain a medium access right with a first access category (AC). The second station broadcasts a CAT packet to all the first stations and the other second stations. The other second stations stop contending for the medium access right for a first predetermined time according to the CAT packet, and the first stations transmit a packet with a QoS requirement according to the CAT packet.