'''Multiplexed Binarybinary Offsetoffset Carriercarrier''' (MBOC) modulation <ref>SIS-ICD08</ref><ref>NaviJournal08</ref> is a modulation proposed for Galileo <ref>SIS-ICD08</ref> and modernized GPS signals, which combines a sine [[Binarybinary offset carrier]] SinBOC(1,1) signal with a SinBOC(6,1) signal, either via weighted sum/difference (the CBOC implementation) or via time-multiplexing (the TMBOC implementation). Its [[Powerpower spectral density]] <math>\Phi(f)</math> is defined via <ref>Agreement06</ref>