Introduction To Telecommunication Network
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Next Generation NetworkSoft SwitchLong-Term EvolutionWorldwide Interoperability for Microwave AccessCourse NumberCLOWeek: TTH2A3:2: 6-7www.telkomuniversity.ac.id
Next Generation Network(NGN)www.telkomuniversity.ac.id
Next Generation Network Previous Network: TDM (Time Division Multiplex)(question: why do we need to use multiplex?) NGN: packet-based network Benefits:– Better QoS– Carrie any type of information– Accommodate future needswww.telkomuniversity.ac.id
Quality of Service QoS is a measurement on how well a network behavesto provide a service QoS parameters:– DelayTotal time needed to deliver a packet from sender to receiver– JitterVariant on packet arrival delay– BandwidthMaximum transfer ratea transmission channelable to accommodate– ThroughputReal transfer rate (successful packet delivered)after packet losswww.telkomuniversity.ac.id
NGN Architecturewww.telkomuniversity.ac.id
Basic Concept of NGNwww.telkomuniversity.ac.id
Comparison between PSTN and NGNwww.telkomuniversity.ac.id
Media Gateway on NGN Media Gateway (MG)– On Transport plane that connects different type of network– Trunk Gateway, connects packet-based network with trunk network from PSTNor ISDN– Access Gateway, provides services to CPE– Residential Gateway, connectspacket-based network with analog network Signaling Gateway (SG)– Transforming signaling format, ex. SIP SS7 Media Gateway Controller (MGC)– Control Media Gateway and Signaling Gateway– aka. Soft Switch (call setup for multimedia communication, detect andmanage events, and manage media gateway based on configuration)– Use MGCP (MGC Protocol) from ITU-T or Megaco from IETFwww.telkomuniversity.ac.id
Layers in NGN10www.telkomuniversity.ac.id
Soft Switch(SS)www.telkomuniversity.ac.id
Definition Soft Switch Software SwitchSwitching using software (program)Task: call processing, call routingProcessor to control circuit switch (whichswitch connects and when) Basically it handles IP to IP phone callswww.telkomuniversity.ac.id
Soft Switch Sample Architecture #1www.telkomuniversity.ac.id
Soft Switch Sample Architecture #2www.telkomuniversity.ac.id
Benefits Less Cost– Network management works efficiently– Easy to initiate service development– Better network capacity using offloading mechanism Better Quality of Service– Provides flexibility on offering value added services– Faster installation– Provides capability for self-management by end user Facilitate IP Migration– Support transparent migration from PSTN to IP-based networkwww.telkomuniversity.ac.id
Call Scenario on Soft Switch1. Analog phone to analog phone (PSTN-to-PSTN) over IP using Class 4 Softswitch2. Analog phone to analog phone over IP using Class 5 SoftswitchSoftswitch3. IP phone to IP phone io 1SS7NetworkSS7NwkPSTNPSTNSS7NwkSS7 wayMegacoScenario 2IP o 3SIEMENSNIXDORFSIP PhoneSIP Phonewww.telkomuniversity.ac.id
Some Features using Soft Switch Voice VPN, create a virtual (and private) network whichconnects several (and dispersed) users Centrex (Virtual PBX), create a group of users as if they are insecluded PBX, with features such as call transfer, Direct InwardDialling (DID), Direct Outward Dialling (DOD), etc. Prepaid Services, provides calls using pre-paid card Web Base Services, provides special services via web such asweb call center, corporate directory, collect call, hotline, etc. Unified Messaging Service (UMS), provides messaging servicebetween users or from content provider Multimedia Conferencing, provides multimediateleconferencewww.telkomuniversity.ac.id
Long-Term Evolution(LTE)www.telkomuniversity.ac.id
What? When?1G2G3G (IMT-2000)4G (IMT-Advanced)Mid 80’sMid 90’s20012010 Analog AMPS NMT TACS UMTS WCDMA (UTRA) HSDPA, HSUPA,LTE EDGE, EDGE CDMA2000, EVDO, HRPD GSMIS-54/136 TDMAPDCIS-95 cdmaOneSAE, EPCLTE-AdvancedIEEE 802.16mInterworkingwith all wirelessand fixed accesswww.telkomuniversity.ac.id
Bandwidth Evolutionwww.telkomuniversity.ac.id
1 Generation Advance Mobile Phone System (AMPS) Bell Labs, America, 1978, FDMA, 800MHz, 1.9kbps Nordic Mobile Telephony (NMT) Finland, Sweden, Denmark, Norway 1981.NMT-450, NMT-900. Total Access Communication System (TACS) UK, Ireland, 1983.www.telkomuniversity.ac.id
2 GenerationSystemGSMGlobal System for hoETSI (3GPP)TIAModulationFDMA, TDMADSSSSpectrum900 MHz1800 MHzMax data rate9,6 kbps14,4 kbpswww.telkomuniversity.ac.id
2,5 Generation General Packet Radio Service (GPRS) Theoretically 115 kbpswith throughput 20 – 30 kbps MMSwww.telkomuniversity.ac.id
2,75 GenerationSystemEDGEEnhanced Data rate forGSM EvolutionCDMA2000WhereEuropeAmericaWhoETSI (3GPP)TIAModulationFDMA, TDMADSSSSpectrum900 MHz1800 MHzMax data rate384 kbps153,6 kbpswww.telkomuniversity.ac.id
3 GenerationSystemUMTSEV-DOUniversal MobileEvolution-Data OptimizedTelecommunication ServiceWhereEuropeAmericaWhoETSI (3GPP)TIAModulationWCDMADSSSSpectrum1900 MHz1800 MHzMax data rate384 kbps2,4 Mbpswww.telkomuniversity.ac.id
3,5 GenerationSystemHSPAHigh Speed Packet AccessEV-DO Rev.AEvolution-Data OptimizedWhereEuropeAmericaWhoETSI (3GPP)TIAModulationWCDMADSSSSpectrum1900 MHz1800 MHzMax data rateHSDPA 14 MbpsHSUPA 5.76 Mbps3,1 Mbpswww.telkomuniversity.ac.id
3,75 GenerationSystemHSPA High Speed Packet Access EV-DO Rev.BEvolution-Data OptimizedWhereEuropeAmericaWhoETSI (3GPP)TIAModulationWCDMADSSSSpectrum1900 MHz1800 MHzMax data rateHSDPA 84 MbpsHSUPA 10.8 Mbps14,7 Mbpswww.telkomuniversity.ac.id
3,9 Generation Long Term Evolution (LTE) 3GPP 2004-2005 Technical Report (TR) 25.913 “Requirements forEvolved UTRA and Evolved UTRAN (E-UTRAN)”:–––––Peak data rate up to 100 Mbps DL and 50 Mbps ULLess latency on Control-Plane and User-PlaneBetter data throughput 3-4 times DL and 2-3 times ULBetter spectrum efficiencyBetter mobility (user can have mobility up to 350km/hr.– Better coverage radius, up to 100 kmwww.telkomuniversity.ac.id
4 Generation: LTE Definition Long Term Evolution (LTE) was given by 3gppproject to advance 3G mobile standard Why do we need LTE?– Need faster data rate– Need more efficient frequency spectrum– More and more subscribers– Limited and expensive frequency spectrum– Better QoS– Better, simpler, and cheaper infrastructurewww.telkomuniversity.ac.id
4G IMT-AdvanceRequirements Based on all Internet Protocol (IP) network Interoperability with existing wireless standards A nominal data rate of 100 Mbps (user mobiles athigh speeds) and 1 Gbps (user relatively at fixedpositions) Dynamically share and use the network resourcesto support more simultaneous users per cell. Scalable channel bandwidth 5–20 MHz,optionally up to 40 MHzwww.telkomuniversity.ac.id
Evolution on LTE ReleaseNote:In radio, MIMO (multiple-input and multiple-output) is a method for multiplying thecapacity of a radio link using multiple transmit and receive antennasSU Single User, MU Multi Userwww.telkomuniversity.ac.id
Main Specification of LTE release-8www.telkomuniversity.ac.id
Improvement from LTE release-8 to LTE release-10www.telkomuniversity.ac.id
Evolution Directionswww.telkomuniversity.ac.id
Worldwide Interoperability for Microwave AccessWiMAXwww.telkomuniversity.ac.id
What is WiMAX? created by the WiMAX Forum a standards-based technology enablingthe delivery of last mile wireless broadband accessas an alternative to cable and DSL IEEE 802.16m or WirelessMAN-Advanced is acandidate for the 4G, in competition with the LTEAdvanced standard WiMAX was initially designed to provide 30-40 Mbpsdata rates, with the 2011 update providing up to 1Gbps for fixed stationswww.telkomuniversity.ac.id
See you on next classwww.telkomuniversity.ac.id
1. Analog phone to analog phone (PSTN-to-PSTN) over IP using Class 4 Softswitch 2. Analog phone to analog phone over IP using Class 5 Softswitch 3. IP phone to IP phone (LAN-to-LAN) Scenario 3 Softswitch SIP Phone SIEMNS XDORF M D SIP Phone SigTran MegacoPSTN SIP Signaling Gateway Trunk PST
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network.edgecount Return the Number of Edges in a Network Object network.edgelabel Plots a label corresponding to an edge in a network plot. network.extraction Extraction and Replacement Operators for Network Objects network.indicators Indicator Functions for Network Properties network.initialize Initialize a Network Class Object
INDIA TELCO 2011 : India is the fastest growing telecommunication market in the world. Adding close to 10 million cell phone lines a month and a broadband base of 100 million, India is the market for telecommunication systems and services.Being largely a green-field network with minimal legacy network infras
