Introduction to broadbandWho is broadband technician ?His role and importance (Role play) hrStudents come to know the importance of the course and grasps exactly about Broadband technician

Broadband overview What is broadband?(Spectrum division) Advantages of broadband Applications-Telecommunication Tele-medicine Tele networking Entertainment E-Government Public safety National securityDifferent types of broadband 1. Wire line 2. Wireless hrStudents are going to learn broadband exact definition and advantages of broadband. Types involved in that.

Communication System 1.Source of information 2.Transmitter 3.Channel 4.Receiver hrCommunication is the basic terminology which brings information transmission

Communication Systems Point to point & Broadcast History of Switching Types of switching Switching System topology Tasks of switch hrStudents learn about types of communication and switching and task of switch etc .

Copper access technologies Voice grade modems DSL(Digital subscriber line) DSL (ISDN BRI) HDSL & SDSL ADSL// RADSL hr

ADSL VS VDSL Asymmetric data streams ADSL in operation ADSL spectrum sharing ADSL frequency Spectrum hr

DMT cable modems digital satellite transmission hr

Coding of data Encoding & decodingError detection & correctionCRC(Cyclic Redundancy Check)Forward error correction Digitization & Sampling Compression MPEG basicsBlock codes Information theory hrThis knowledge helps in identifying faults & diagnostics.

Encryption Symmetric key cryptosystemsOther forms of coding Application level codingFraming bit stuffing Code violations hr

Importance of information & Channel types 1. Characteristics2. Delay3. Fidelity4. Cost5. Reliability6. Security7. Connectivity8. Examples of Channels (kbps channel in a telephone network sequence of packets transmitted from one host to another on Ethernet) hr

Baseband vs Broadband Synchronization Broadband modulationBroadband modulation with digital information hr

Introduction to analog communication Modulation Frequency translation Practibility of antenna Reduction of noise Narrow bonding hr

AM wave representation Power calculation for AM wave Modulation by multi tone modulating signalMethods of generation of AM hr

Digital communication Advantages & disadvantages Classification Digitization of analog signal hr

Digital transmission systemsData communication Systems hr

Integrated service digital network and other advanced digital communication system hr

Nyquist criteria, aliasing Spectrum of baseband signals PCM speech signal digitization hr

Quantization error in PCMIdle channel noise minimization hr

Multiplexing Common place examplesTDMLocal area network examplesFDMSynchronous TDMAsynchronous TDM hr

Token passing Reservation systemsSlotted systemsShared media conclusions hr

Shared media multiplexingShared vs non shared multimediaShared media LANS Ethernet hr

Token ringSlotted ringCentralized multiplexingScheduling issues hr

Non orthogonal multiplexing CDMACDMA for mobile telephonyMultiplexing and channel characteristicsLayered multiplexing hr

Circuit switchingPacket switchingWDM switching hr

Boolean algebra Algebraic laws Boolean expressions Minimization of logical expressions Minterms Max terms.

Basic logic symbolsTruth table AND OR NOT NAND NOR XOR XNOR, Buffer, Switch , Clocks , Flipflops

Working of basic telecom network 1.Call set up 2.Electronic exchange 3.Crrier room 4.CLLS(Convention Leased Line System) ,MLLN (Managed Leased Line Network) 5.MDF (Functions of MDF) hr 6.Power PlantBasic telecom network gives the idea about exchange office and DP, MDF etc

External & Internal infrastructure External-lines & cables Internal Battery ,power Plant E/A , A/C Plant, MDF Switches ( C-DOT, OCB 283,EWSD,AXE etc)

Leased Lines Introduction Drawbacks of LL MLLN Features ,advantages, applications hr

Intranet Introduction Features of internet Why intranet for an organization?Applications of intranetOverview of intranetCorporate Network Introduction & features of security hr Gives knowledge about intranet

Multi linking modems & ISDNBlock diagram of ISDN ISDN principlesISDN teleservicesCustomer access to service supported by ISDNFunctional groupingISDN subscriber premises connections hr

Wired EthernetRural broadband hr

TELEX/TELEGRAPHINETEPABXNIB(National internet backbone) Architectural principles Infrastructure

Modern backbone NIB in indiaEconomy of the backbone Peering agreements Transit agreements Regulation

Network connectivity diagram Typical set up and connection procedures

Wire line 1.DSL How it works Advantages & Disadvantages DSL provider-Eircom (advantages & disadvantages) DSL connection schematic Equipment Customer site just mention ADSL mdemsADSL LITEHDSL, SDSL,VDSLCustomer premises Local loopCentral office-MDF XDSL Filter Hand over distribution frame(HDF) DSLAM

Role of DSLAM XDSL connectivity diagram Tier 1 nw Tier 2 n/w

3.Optical fiber technologies (Brief discussion since we are going depth in cabling & installation ) Applications InterferenceOptical amplification Parameters Bw distance product Record speeds Dispersion Attenuation Transmission windows Regeneration

Submarine communication cablesTransmitter, Receiver & cable types

Cable broadband How it works? & Advantages &disadvantages.Cable broadband provider-UPC(NTL) advantages & disadvantages)

4.Power line communication 5.Fibre to the home/curb 1.FTTN 2.FTTH 3.FTTP hr

Wireless 1.Wi-FI(Wireless fidelity)Wi-Fi networkWorking of Wi-Fi network Advantages of Wi-Fi Limitations of wifi Wireless provider-Irish Broadband(Advantages & disadvantages) hr

2.WIMAX Local loop unbundling(LLU) Wireless broadband servicesSatellite features of WimaxEvolution of broadband services hr

3.Satelite 4.Microwave links Splitters Connectors Couplers hr

5.MMDS (Multi Channel Multi point Distribution Service)LMDS (Local Multi Point Distribution Service)FSO (Free Space Optics) hr