Comtech-ef-data MCED-100 Manual do Utilizador descarregar pdf (Página 87)

A–1

Appendix A. INTERFERENCE

IDENTIFICATION

A.1 Introduction

WithoutCarrierIDtechnology,theabilitytoidentifycarriersisacomplextaskevenforthemost

seasonedoperator,technician,orengineer. Theabilityto identifyan interference condition,in

andofitself,issimple–thecarrierthatisassignedtothegivenspectrummayeitherexperience

marginallydegradedcommunications(resulting inpoorcommuni

cationsorperiodicerror),orit

mayberenderedcompletelyunusable(resultinginnousablecommunications).



Thepurposeofthisappendixistopresentanumberofscenariosthataddressmarginal,partial,

and complete interference, and to provide explanations of how Comtech EF Data’s MCED‐100

MetaCarrier® Embe

dding Device or MCDD‐100 MetaCarrier® Detecting Device (referred to

collectivelyastheMCxD‐100),usingCarrierID technology,maybeusedtoextractthesourceof

theinterference.



Thescenariospresentedinthisappendixareasfollows:



Appendix

Section

Title Scenario Description

A.2 Scenario 1: Marginal Interference

256 ksps Data Carrier Interfering with a 3.5 Msps Data

Carrier

A.3 Scenario 2: Marginal Interference

256 ksps Data Carrier Interfering due to Cross Polarization

with a 3.5 Msps Data Carrier

A.4 Scenario 3: Partial Interference

5.0 Msps Video Carrier Interfering with a 3.5 Msps Data

Carrier

A.5 Scenario 4: Complete Interference

3.5 Msps Data Carrier Interfering with a 256 ksps Data

Carrier

A.6 Scenario 5: Complete Interference

Two 5.0 Msps Carriers with Identical Center Frequency and

Symbol Rate

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Comtech-ef-data MCED-100 Manual do Utilizador Página 87