mobile device, such as time or location initiated interactive servicesUS8615212Sep 27, 2007Dec 24, 2013Qualcomm IncorporatedDirect conversion receiver architectureUS8626099Mar 14, 2006Jan 7, 2014Qualcomm IncorporatedDirect conversion receiver architectureUS8634790 *May 16, 2005Jan 21, 2014Qualcomm IncorporatedDirect conversion receiver architecture with digital fine resolution variable gain ampli