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. 04, 2024
Filed:
Feb. 26, 2021
Space Exploration Technologies Corp., Hawthorne, CA (US);
Martin S. McCormick, El Segundo, CA (US);
Torbjorn Larsson, Escondido, CA (US);
Alazar Tamrat, Torrance, CA (US);
Jeffrey C. Strait, Reno, NV (US);
Chen Chen, Irvine, CA (US);
Philip J. Treigherman, Fountain Valley, CA (US);
Stephan O. Roche, Rancho Palos Verdes, CA (US);
Ronald Gottula, San Mateo, CA (US);
Space Exploration Technologies Corp., Hawthorne, CA (US);
Abstract
A modem is configurable on a satellite, user terminal or gateway generates a radio frequency (RF) signal using an orthogonal frequency division multiplexing (OFDM) protocol including a radio frame including one or more bursts. A burst of the one or more bursts includes a first portion including burst detection data, a second portion including channel characteristic estimation data, a third portion including payload data, and fourth and fifth portions including pilot data. The first portion in a time domain is included in the burst prior to the second, third, fourth, and fifth portions. The first portion can include a pseudo-random noise sequence inserted in the time domain. The same physical modem can be configured to transmit signals on an uplink or downlink between a user terminal and a satellite or on the uplink or downlink between the satellite and the gateway.