MBOC

Multiplexed binary offset carrier (MBOC) modulation ^[1]^[2] is a modulation proposed for Galileo ^[3] and modernized GPS signals, which combines a sine binary 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 power spectral density $\Phi(f)$ is defined via ^[4] $\Phi(f)=\frac{10}{11}BOC(1,1)%2B\frac{1}{11}BOC(6,1)$

References

^ SIS-ICD08
^ NaviJournal08
^ SIS-ICD08
^ Agreement06

Galileo Open Service Signal In Space Interface Control Document http://www.gsa.europa.eu/go/galileo/os-sis-icd/galileo-open-service-signal-in-space-interface-control-document (SIS-ICD08)
Hoult, N.; Aguado, L. E. and Xia, P. MBOC and BOC(1,1) Performance Comparison. Journal of Navigation, Volume 61, No. 4, pp613–627, 2008 (NaviJournal08)
http://www.losangeles.af.mil/shared/media/document/AFD-070803-061.pdf (Agreement06)