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:
Jan. 10, 2023
Filed:
May. 13, 2021
Northeastern University, Boston, MA (US);
Kaushik Chowdhury, Needham, MA (US);
Kunal Sankhe, Boston, MA (US);
Dheryta Jaisinghani, Cambridge, MA (US);
Northeastern University, Boston, MA (US);
Abstract
Systems, devices, and methods for access point discovery in a wireless network are provided. An access point device embeds into a preamble of a transmission packet discovery information including modifications determined by passing in-phase quadrature (IQ) symbols through a finite impulse response (FIR) filter to introduce a phase shift in selected ones of the IQ symbols. The phase shifts are encoded into bits in selected ones of a plurality of subcarriers, bounded by a maximum phase shift and a maximum number of the subcarriers to limit the packet error rate. A convolutional neural network can learn channel state and other information to determine the maximum phase shift and number of subcarriers. A client device can select from among a plurality of modified transmission packets to send a discovery request.