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:
May. 15, 2007
Filed:
Jul. 29, 2002
Mao-ching Chiu, Palo Alto, CA (US);
Chu-ming Lin, Palo Alto, CA (US);
Po-hung Chen, Palo Alto, CA (US);
Chin-wen Lin, Palo Alto, CA (US);
Tai-yuan Cheng, Palo Alto, CA (US);
Mao-Ching Chiu, Palo Alto, CA (US);
Chu-Ming Lin, Palo Alto, CA (US);
Po-Hung Chen, Palo Alto, CA (US);
Chin-Wen Lin, Palo Alto, CA (US);
Tai-Yuan Cheng, Palo Alto, CA (US);
MediaTek Incorporation, Hsinchu, TW;
Abstract
A method and a device for detecting a preamble type of a wireless data frame are provided. The preamble has a synchronization (SYNC) field and a start frame delimiter (SFD) field, and the method comprises following steps. The wireless data frame is first received, and then determined whether the wireless data frame has a short preamble. When the wireless data frame has the short preamble, the wireless data frame is transmitted to a MAC device. In addition, if the wireless data frame does not have the short preamble, it determines whether the wireless data frame has a long preamble. When the wireless data frame has the long preamble, the wireless data frame is then transmitted to the MAC device.