As well as focusing on the major telecommunications technologies, this course looks in detail at the services available and how they may delivered over a range of network types. After a detailed consideration of the structure and operation of the PSTN and ISDN the course continues with a look at the principal transmission technologies including the Plesiochronous Digital Hierarchy (PDH), Synchronous Digital Hierarchy (SDH), and Optical Transport Network (OTNs). Following this the course deals with cellular network technologies including GSM, GPRS and 3G. The types of data communication network currently available are then considered. This includes discussions on Frame Relay, ATM followed by Ethernet, Internet Protocol and Multiprotocol Label Switching. Subsequent sections deal with broadband access technologies and the role of Next Generation Network, including the IP Multimedia Subsystem, in providing Voice over IP (VoIP) services.
EXPECTED ACCOMPLISHMENTS
On completing this course, participants will be able to:
- identify and categorize the services expected by subscribers and describe how these are delivered
- identify the main components of telecommunication network types and suggest appropriate technologies for each area of operation
- describe the architecture of a telephony network, PSTN and ISDN, and the role of the network elements associated with them
- discuss Pulse Code Modulation and the structure of the E1 bearer signal
- discuss the end-to-end set up of a voice call across a telephony network
- discuss the roles of PDH and SDH networks and describe how they may be used to provide connections between network end points
- briefly discuss the roles of Next Generation SDH, Dense Wave Division Multiplexing and the Optical Transport Network technologies
- discuss the concept of cellular networks
- in general terms discuss how cellular systems manage user mobility and incoming and outgoing calls
- describe the architectures associated with GSM, GPRS and UMTS networks
- discuss the principles and concepts of connection-oriented packet switching networks with specific reference to X.25, Frame Relay and ATM
- differentiate between LANs, MANs and WANs
- discuss the operation of IP based packet switching networks including Ethernet switching and IP addressing and routing
- outline the types of services typically provided over IP based networks
- identify and discuss the range of technologies that may be used to provide broadband services over access networks
- briefly discuss how voice/multimedia services may be provided in Next Generation Networks (NGNs)
TARGET AUDIENCE
New entrants, current and aspiring telecom professionals, including IT staff, corporate decision-makers, consultants and students will find this course valuable.
COURSE DETAILS
Telecommunication Services in the Modern World
- Telecommunication network evolution
- Range of telecommunication services
- Requirements of a telecommunication network
- Transmission, signalling and switching concepts
- Circuit switching and packet switching
- Telecommunication service categorization
- Standards bodies
The PSTN and ISDN
- Basic structure of the PSTN
- Analogue and digital telecommunications networks
- Analogue and digital voice signal concepts
- Pulse Code Modulation and other voice coding techniques
- Public and private switching systems
- Numbering plans and call routing principles
- The need for multiplexing
- Multiplexing and the E1 Bearer signal format
- Timeslot interchange and primary level switching devices
- Evolution to the ISDN
- ISDN Basic and Primary Rate services
- The role of signalling in PSTN/ISDN networks
- Call setup procedures
- The IN (Intelligent Network) concept
- IN architecture
- Typical IN-enabled services
Radio Regulation and Safety
- Radio users and radio services
- Legislative and regulatory bodies
- ITU-R, CEPT, OFCOM
Transmission Systems
- The PDH (Plesiochronous Digital Hierarchy)
- Building circuits in the PDH
- SDH (Synchronous Digital Hierarchy) and its advantages
- LANs, MANs and WANs
- Ethernet MAC addressing
- Ethernet switches
- Ethernet physical interfaces
- IP networking principles
- IP datagram and IP addressing
- IP routing and forwarding
- TCP, UDP, DHCP, HTTP and SMTP
- Routing between IP subnets
- The Internet, intranets and VPNs
- MPLS architecture
- MPLS label forwarding
- Label stacks, swap, pop and push
- MPLS control plane
- MPLS VPNs
- TCP, UDP, DHCP, HTTP and SMTP
- Routing between IP subnets
- The Internet, intranets and VPNs
- MPLS architecture
- MPLS label forwarding
- Label stacks, swap, pop and push
- MPLS control plane
- MPLS VPNs
Fixed and Wireless Broadband Technologies
- Broadband technologies
- Digital Subscriber Line (DSL)
- Local Loop Unbundling (LLU)
- HDSL, SHDSL, ADSL, ADSL2 and ADSL2+ and VDSL
- WLAN architectures
- WiMAX
- Long Term Evolution (LTE)
- SDH payloads and the concept of Virtual Containers
- Synchronous Transport Modules (STMs)
- SDH network elements and SDH Rings
- Building circuits in the SDH
- Next Generation SDH principles
- Microwave radio principles
- Point-to-Point microwave radio applications in SDH and PDH networks
- Optical transmission principles
- Dense Wave Division Multiplexing (DWDM)
- The Optical Transport Network
Mobile Cellular Networks
- The mobile environment
- General architecture and spectrum issues
- Cells, coverage and capacity
- The mobile phone and USIM functions
- Mobile-originated and mobile-terminated call handling principles
- Making calls to roaming mobiles
- Handover principles
- GSM networks architecture and functions
- GPRS architecture and functions
- SMS service operation
- GSM and GPRS air interface
- 3G aims and services
- UMTS architecture
- Code Division Multiple Access (CDMA)
- Basic code allocation principles
- HSPA and HSPA+
- CDMA 2000
IP Packet Networks
- Why move to packet based technologies?
- The OSI seven-layer model
- Layer 3 and layer 2 switching
- Connectionless and connection-oriented services
- Connecting hosts, clients and servers
VoIP, NGNs and IMS
- Convergence
- The All-IP network
- Next generation
- Soft-switching in fixed line networks
- Soft-switching in mobile networks
- IMS concept
- IMS standards bodies
- Connecting to the IMS
- IMS framework