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:
Aug. 11, 2015

Filed:

Mar. 08, 2012
Applicants:

George Calcev, Hoffman Estates, IL (US);

Bin Chen, Schaumburg, IL (US);

Erik Colban, San Diego, CA (US);

George Cummings, Gilbert, AZ (US);

Ronald Xuzhuang Mao, San Diego, CA (US);

Inventors:

George Calcev, Hoffman Estates, IL (US);

Bin Chen, Schaumburg, IL (US);

Erik Colban, San Diego, CA (US);

George Cummings, Gilbert, AZ (US);

Ronald Xuzhuang Mao, San Diego, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 74/08 (2009.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04W 74/085 (2013.01); H04W 4/005 (2013.01); H04W 72/04 (2013.01); H04W 74/0866 (2013.01);
Abstract

An apparatus for managing contention in a communications system, the apparatus comprising a processor and a non-transitory computer readable storage medium storing programming for execution by the processor. The programming may include instructions to receive a ranging code from a device in a ranging channel, the ranging code corresponding to a current ranging attempt. The programming may further include instructions to broadcast a message acknowledging reception of the ranging code. The programming may further include instructions to receive a ranging request message from the device, the ranging request message comprising a ranging retries parameter that specifies a number of ranging retries that the device performed during the current ranging attempt.


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