Multiplexed Binary Offset Carrier
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Multiplexed binary offset carrier (MBOC) modulationNavipedia information on MBCO Modulation
/ref>Galileo Open Service Signal In Space Interface Control Document (OS SIS ICD)
, GSA, Issue 1.1, September 2010 is a modulation design proposed for
Galileo Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564 – 8 January 1642), commonly referred to as Galileo Galilei ( , , ) or mononymously as Galileo, was an Italian astronomer, physicist and engineer, sometimes described as a poly ...
and modernized
GPS The Global Positioning System (GPS) is a satellite-based hyperbolic navigation system owned by the United States Space Force and operated by Mission Delta 31. It is one of the global navigation satellite systems (GNSS) that provide geol ...
satellite navigation signals, which combines a sine
binary offset carrier Binary offset carrier modulation (BOC modulation) was developed by John Betz in order to allow interoperability of satellite navigation systems. It is currently used in the US GPS system, Indian IRNSS system and in Galileo and is a square sub-carr ...
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). The main objective of the common GPS and Galileo signal design activity was that the
power spectral density In signal processing, the power spectrum S_(f) of a continuous time signal x(t) describes the distribution of power into frequency components f composing that signal. According to Fourier analysis, any physical signal can be decomposed into ...
(PSD) of the proposed solution would be identical for GPS L1C and Galileo E1 OS signals when the pilot and data components are computed together. This assures high interoperability between both signals. Its power spectral density \Phi(f) is defined byAgreement06
 : \Phi(f) = \fracBOC(1,1)+\fracBOC(6,1) MBOC has two main implementations, the Composite Binary Offset Carrier (CBOC) implementation, currently used in
Galileo Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564 – 8 January 1642), commonly referred to as Galileo Galilei ( , , ) or mononymously as Galileo, was an Italian astronomer, physicist and engineer, sometimes described as a poly ...
, and the Time-Multiplexed Binary Offset Carrier (TMBOC), currently used in the modernized
GPS The Global Positioning System (GPS) is a satellite-based hyperbolic navigation system owned by the United States Space Force and operated by Mission Delta 31. It is one of the global navigation satellite systems (GNSS) that provide geol ...
L1C signal.


See also

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Binary offset carrier modulation Binary offset carrier modulation (BOC modulation) was developed by John Betz in order to allow interoperability of satellite navigation systems. It is currently used in the US GPS system, Indian IRNSS system and in Galileo and is a square sub-car ...


References

{{refend Quantized radio modulation modes de:Binary Offset Carrier#Multiplexed Binary Offset Carrier