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:
Nov. 02, 2010

Filed:

Sep. 04, 2008
Applicants:

Patrick Worfolk, Campbell, CA (US);

Xiaoming Zhou, Sunnyvale, CA (US);

Inventors:

Patrick Worfolk, Campbell, CA (US);

Xiaoming Zhou, Sunnyvale, CA (US);

Assignee:

NDSSI Holdings, LLC, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/00 (2006.01); H04B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A device and method for of synchronizing a MAC superframe of a wireless device is disclosed. The wireless device can be located within a chain of a plurality of other wireless devices. The method includes receiving beacons from at least one other device during a superframe of the wireless device, determining a superframe offset for each of the other wireless devices based on timing of the received beacons, determining a corrective delay based on the superframe offsets, inserting the corrective delay within a current superframe of the wireless device, and inserting a predictive delay within the current superframe, the predictive delay being determined by an estimate of a difference between a frequency a clock of the wireless device and a frequency of a slowest clock of the other wireless devices within the chain.


Find Patent Forward Citations

Loading…