2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/145220New upper bounds on the sum capacity of the two-user Gaussian interference channel are derived. Using these bounds, it is shown that treating interference as noise achieves the sum capacity if the interference levels are below certain thresholds.6 pages, 4 figures, Proceedings of ITA Workshop, San Diego, CA, Jan-Feb, 2008Information Theorytext