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:
Jul. 28, 2009
Filed:
Jul. 03, 2002
Dan Rutger Weinholt, Västra Frölunda, SE;
Per-olof Gerhard Gustavsson, Pixbo, SE;
Dan Rutger Weinholt, Västra Frölunda, SE;
Per-Olof Gerhard Gustavsson, Pixbo, SE;
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Abstract
Method of communicating digital data in which frames () are transmitted cyclically whereby a first number of symbols is transmitted according to a first keying mode (II) using a first constellation, and a second number of symbols is transmitted according to a second keying mode (L) using a second constellation. The first and second keying modes (H, L) are used at predetermined positions in the frame, whereby both the symbols according to the first and second keying mode carry information under at least an operative traffic phase.