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:
Jun. 14, 2022
Filed:
Oct. 26, 2018
Northeastern University, Boston, MA (US);
Kaushik Chowdhury, Boston, MA (US);
M. Yousof Naderi, Brookline, MA (US);
NORTHEASTERN UNIVERSITY, Boston, MA (US);
Abstract
The disclosed apparatus and methods can be used to provide an energy efficient Internet of Things (IoT) communication method that can be deployed on a city-wide scale using existing infrastructure and that can target individual sensors or devices. An example apparatus is a decoder including an energy detector and a processor. The energy detector is configured to detect average subframe energy levels of a plurality of subframes during reception of at least one frame of data defined by a first communications protocol (e.g., Long-Term Evolution (LTE)). The average subframe energy levels of the plurality of subframes form a pattern of relatively higher and lower energy levels. The processor is configured to interpret, according to a second communications protocol, the pattern of energy levels to decode a block of data represented by the pattern of energy levels. Another embodiment is a method producing index modulation signals of the second communications protocol.