Comtech-ef-data MCED-100 User Manual download pdf (Page 93)

MCED-100 MetaCarrier Embedding Device Revision 1

Appendix A MN-MCED100

A–7

As before, 50% probability is assumed, since the MCxD‐100 must achieve code phase‐

locktoobtaintheCarrierIDfromtheMetaCarrier.Therefore,eachtimetheMCxD‐100

isinstructedtoreacquire,theprobabilityremainsthatitwillachievecodephase‐lockto

theinterferingcarrier.



If the MetaCarrier is obtained and th

e interfering carrier is identified, the uplinking

stationmaybecontactedandarequestmadetodisablethetransmissionservice.



IftheMetaCarrierisnotobtained,proceedtoStep2.



• Step2:DisabletheMetaCarrieronthedesiredcarriertoallowtheMCxD‐100tolookfor

theMetaCarrierun

dertheinterferingcarrier.



If the MetaCarrier is obtained, the uplinking station may be contacted and a request

madetodisablethetransmissionservice.



IftheMetaCarrierisnotobtained,proceedtoStep3.



• Step3:Manyreceivingdevicesmaytoleratethecenterfrequencybeingoffsetfromthe

transmission station if it is kept within the carrier tr

acking loop of the receiver. Move

the centerfrequencyof the desiredcarrier upor downto allow the MCxD‐100to look

fortheMetaCarrierundertheinterferi ngcarrier.



If the MetaCarrier is obtained, the uplinking station may be co

ntacted and a  request

madetodisablethetransmissionservice.



IftheMetaCarrierisnotobtained,proceedtoStep4.



• Step4:Thisisthemostdrasticstep

–disablethedesiredcarriertoallowtheMCxD‐100

tolookfortheMetaCarrierundertheinterferingcarrier



If the MetaCarrier is obtained, the uplinking station may be contacted and a request

madetodisablethetransmissionservice.



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Comtech-ef-data MCED-100 User Manual Page 93