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Digital Microwave Communication Principles
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  Document codeProduct nameTarget readersHuawei engineers Product versionEdited byOptical Network Product Service Department Document version1. Digital Microwave CommunicationPrinciples Dra!ted by #$en S$aoyingDate %%&'%1'%()eviewed by #$en HuDate )eviewed by Date *pproved by Date Huawei Technologies Co, LtdAll Rights Reserved  Digital Microwave Communication PrinciplesConfidentiality Level:Internal Use Only Revision Records Date)evised version*ut$orDescription 2007-1-11V1.0Chen ShaoyingInitial draft2007-10-16V1.1Chen Shaoyingamend2008-3-10V1.2Chen ShaoyingRefresh as the training docment 20! 0 2!#uawei Confidential$ %o disclosure wit&out permission$Page 2 of 0'  Digital Microwave Communication PrinciplesConfidentiality Level:Internal Use Only Contents 1Microwave Communication Overview! $(asic Concepts of Digital Microwave$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)$2Microwave Development Course$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*$2$Microwave +volution in t&e ,orld$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*$2$2Microwave +volution in C&ina$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$-$'C&aracteristics of Digital .adio Communication /ystem$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$0$!C&allenges and Opportunities for Digital Microwave Communication$$$$$$$$$$$$$$$$$$$$$$$$!$Optical i1er Communication(iggest C&allenge for Digital Microwave Communication$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!$2Opportunities for Digital Microwave Communication$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$2$3Microwave re4uency (and C&oice and . C&annel 5rrangements$$$$$$$$$$$$$$$$$$$$$$$!$6Digital Microwave Communication /ystem Model$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$6$6$Modulation Met&od of Digital Microwave$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$6$6$2C&annel Utili7ation of +ac& Modulation$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*$)Digital Microwave rame /tructure$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$-$*Conclusion$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$20 #ntroduction to Digital Microwave $%uipment 2$Digital Microwave +4uipment Classification$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$222$2Microwave antenna and feeder$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$2'2$2$Microwave antenna$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$2'2$2$2Classification of Microwave 5ntennas$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$262$2$'eeder /ystem$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$262$2$!(ranc&ing /ystem$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$2*2$'Outdoor unit 8ODU9$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$2*2$'$Constituents of Digital Microwave ransmitter and Ma;or Performance Inde<es2-2$'$2Constituents and Ma;or Inde<es of .eceiver$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$'2$!Indoor Unit$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$''2$3Installation and 5d;ustment of /plit Microwave /ystem$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$'!2$6Conclusion$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$'6 &Microwave '(stem )etwor*ing and Application&+ '$Microwave /ystem ypical %etwor=ing Modes and /tation ypes$$$$$$$$$$$$$$$$$$$$$$$$$$$$'*'$$ypical %etwor=ing Modes$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$'*'$$2Microwave /tation ypes$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$'*'$2.elay /tation$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$'-'$2$Passive .elay /tation$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!0'$2$25ctive .elay /tation$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!''$'Digital Microwave 5pplication$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!3'$!Conclusion$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!6 Microwave Propagation Theor(! !$+lectric ,ave Propagation in ree /pace$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!)!$$ree /pace$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!)!$$2Propagation Loss of +lectric ,aves in ree /pace$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!)!$2Influence of >round .eflection on t&e +lectric ,ave Propagation$$$$$$$$$$$$$$$$$$$$$$$$$$$$!*!$2$Concept of resnel ?one$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!*!$2$2Influence of >round .eflection on .eceiving Level$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$30!$'Influence of roposp&ere on +lectric ,ave$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$36!$'$.ay (end in 5tmosp&ere$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$36!$'$2Concept of +4uivalent +art& .adius$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$3) 20! 0 2!#uawei Confidential$ %o disclosure wit&out permission$Page ' of 0'  Digital Microwave Communication PrinciplesConfidentiality Level:Internal Use Only !$'$'.efraction can 1e classified into t&ree categories 1ased on t&e @ value$$$$$$$$$$$3*!$'$!&e Meaning of @ Aalue in +ngineering Design$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$3-!$!ading caused 1y /everal 5tmosp&eric and +art& +ffects$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$60!$!$ading ypes$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$60!$!$2Influence of roposp&ere on +lectric ,ave Propagation$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$6!$!$'ading .ules 8microwave fre4uency 1ands lower t&an 0 >#79$$$$$$$$$$$$$$$$$$$$$$$6'!$3re4uency /elective ading$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$6!!$3$Multi pat& Propagation of +lectric ,aves$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$6!!$3$2Influence of re4uency /elective ading on ransmission Buality of Microwave Communication /ystems$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$63!$6/tatistic eature of ading$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$66!$6$Microwave ading Model.ayleig& Distri1ution unction$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$66!$6$2+ngineering Calculation of .ayleig& ading Pro1a1ility$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$6)!$)Conclusion$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$6* -Anti./ading Technolog( in Digital Microwave $%uipment0 3$Overview$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$6-3$$Purposes of a=ing 5nti ading Measures$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$6-3$$2Classification of 5nti ading Measures$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)03$$'+valuation on 5nti ading Measures$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)3$25daptive +4uali7ation$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)23$2$5+$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)23$2$25+$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)!3$'Cross Polari7ation Interference Counteracter 8PIC9$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)33$!5utomatic ransmit Power Control 85PC9$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)63$3Diversity .eception$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)*3$3$Classification of Diversity .eception$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$)*3$3$2Description of /pace Diversity$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*03$3$'Compound Mode of Diversity /ignals$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*23$6Microwave +4uipment Protection Mode$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*'3$6$#/M$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*'3$6$2#/($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*!3$6$'Classification of Digital Microwave +4uipment Protection Modes$$$$$$$$$$$$$$$$$$$$$$*33$)Interference and Main Met&ods against Interference$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*63$)$Interference /ource$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*63$)$2(asic Met&ods of Communication /ystem against Interference$$$$$$$$$$$$$$$$$$$$$$$$*)3$*Conclusion$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$** 02asis o3 Designing a Microwave Transmission Line+ 6$(asis of Designing a Microwave ransmission Line$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*-6$$.e4uirement on a Microwave ransmission Line$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*-6$$2O1;ective of Designing a Microwave ransmission Line$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*-6$$'ransmission Clearance$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*-6$$!Meaning of @ Aalue in Microwave ransmission Planning$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$-'6$$3Cross /ection and /tation Distance$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$-!6$2Procedure for Designing a Microwave ransmission Line$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$-36$2$/electing t&e .oute  /ite$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$-66$2$2Determining 5ntenna #eig&t$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$-)6$2$'/electing Microwave (and and Configuring Polari7ation$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$-*6$2$!Circuit Performance +stimate$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$06$'Conclusion$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$02 20! 0 2!#uawei confidentialE no disclosure wit&out permissionPage ! of 0' pages
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