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:
Aug. 08, 2023
Filed:
May. 11, 2021
Kabushiki Kaisha Toshiba, Tokyo, JP;
Magnus Stig Torsten Sandell, Bristol, GB;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A method comprising transmitting, by a first communication node (), a first communication; receiving, by a relay node (), the first communication and estimating a first communication channel (H; H). Transmitting, by a second communication node (), a second communication; receiving, by the relay node (), the second communication; and estimating a second communication channel (G, G); generating a first transmission signal (x; x); transmitting, by the relay node (), the first transmission signal (x; x); generating, by the first communication node (), a first instance of the encryption key (κ) based on a first received signal (r); generating, by the second communication node (), a second instance of the encryption key (κ) based on a second received signal (r), wherein: the transmission signal (x) is generated such that the first received signal (r) is equal to the second received signal (r).