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:
Dec. 22, 2020

Filed:

Aug. 12, 2016
Applicant:

University of Washington, Seattle, WA (US);

Inventors:

Shyamnath Gollakota, Seattle, WA (US);

Bryce Kellogg, Seattle, WA (US);

Vamsi Talla, Seattle, WA (US);

Joshua R. Smith, Seattle, WA (US);

Assignee:

University of Washington, Seattle, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/713 (2011.01); H04B 7/0413 (2017.01); H04W 74/08 (2009.01);
U.S. Cl.
CPC ...
H04B 1/713 (2013.01); H04B 7/0413 (2013.01); H04W 74/0808 (2013.01);
Abstract

Examples described herein include devices and systems utilizing backscatter communication to directly generate transmissions in accordance with wireless communication protocols that can be decoded existing devices. Examples include devices that generate 802.11b transmissions using backscatter communication. Examples of network stacks are described which may facilitate backscatter devices to coexist with other devices (e.g. in the ISM band), without incurring, or reducing a need for, the power consumption or carrier sense and medium access control operations.


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