Mobile & W/L com-2

Mobile & W/L com-2


To provide the students with an opportunity to develop knowledge, skill and attitude in the area of mobile and Wireless communication system and services with special emphasis on:
 Feature of Universal Mobile Telecommunication System (UMTS)
 Feature of Numbering PLANS
 Architecture, Interfaces and Radio links of GSM network
 Concept of Privacy andS in GSM
 Concept of CDMA Cellular Mobile Communication
 Concept of Traffic Concepts
 Grade of Service and Quality of Service
 Concept of Telecommunication Acts
 Functions of FCC, ITU & BTRC
 Concept of Wi-Max
 Concept of Wi-Fi
 Concept of 3G and LTE
 Concept of Voice Over Internet Protocol (VOIP)
 Architecture of VOIP
 Concept of IP Telephony
 Concept of Gateways and Gatekeepers


Structure and Applications of UMTS, Numbering Plans; Architecture of GSM network; Radio link in GSM systems; Privacy and Security in GSM; CDMA Cellular Mobile Communication; Call progress procedure; Comparison of TDMA systems for Cellular and future Wireless Services; Traffic Concepts, Quality of Service and Grade of Service; Acts and the Functions of Bangladesh Telecommunication Regulatory Commission (BTRC) ; Wi-Max , Wi-Fi and 3G ; Voice Over Internet Protocol (VOIP); PSTN & VOIP; IP Telephony Standards and Protocols; H.323 Architecture ; Gateways and Gatekeepers.



1 Understand the concept of Universal Mobile Telecommunication System (UMTS).
1.1 Define the UMTS.
1.2 Mention the types of UMTS System.
1.3 List the Special features of UMTS.
1.4 Describe the Network structure and Spectrum of UMTS.
1.5 List the Advantages over GSM and CDMA.
1.6 Describe the Applications of UMTS.
1.7 Numbering PLANS (Subscriber Numbers (Directory Numbers), Notional Numbers, International Numbers.)
2 Understand the architecture, interfaces and radio links of GSM network.
2.1 Mention the frequency bands of GSM.
2.2 Mention the general objectives of GSM public land mobile network (PLMN).
2.3 Describe the architecture of GSM PLMN.
2.4 Describe the subsystems of GSM.
2.5 Describe the radio, BTS to BSC, BSC to MSC interfaces and interfaces between other GSM entities.
2.6 Describe the mapping of GSM layers onto OSI layers.
2.7 Describe the functional model and entity groupings of North American PCS-1900.
2.8 Describe the interference-reducing mechanisms USCS in GSM system.
2.9 Mention the base station identity code (BSIC), signal and Quality level values in GSM.

3 Understand the concept of privacy and security in GSM.
3.1 Define the mechanism used for privacy and security in GSM systems.
3.2 Describe the areas and requirements for privacy of PCS personal terminal.
3.3 Describe the authentication requirements in GSM network.
3.4 Mention the types of SIM card used in GSM.
3.5 Describe the file structure and storage capability of SIM card.
3.6 Describe the security algorithms for GSM.
3.7 Describe the token based authentication for GSM.
4 Understand the concept of CDMA cellular mobile communication.
4.1 Define the CDMA cellular mobile system.
4.2 List the features and services of IS-95 CDMA systems.
4.3 Describe the forward and reverse CDMA code channel structure.
4.4 Describe the call processing procedure for mobile and base station in CDMA system.
4.5 Define the terms convolutional encoding, block interleaving, orthogonal spreading, direct sequence spreading, long code generation and data scrambling for CDMA mobile system.
4.6 Describe the principle of wide band CDMA mobile system.
4.7 Define the key features (diversity, power control, hand off etc.) of IS-95 CDMA systems.
4.8 List the key parameters that determine the capacity of CDMA digital cellular system.

5 Understand the concept of Traffic concepts and grade of service .
5.1 Concept of traffic and traffic unit (erlang)
5.2 Define Traffic Intensity, Carried traffic, Offered traffic and Lost or Rejected traffic
5.3 Solve the problem on the above.
5.4 State Busy Hour, Mean holding times
5.5 Describe the relation of the above terms to erlang.
5.6 State the Grade-of Service (GoS) and Quality of Service (QoS)
5.7 List the Comparison between Grade-of Service (GoS) and Quality of Service (QoS)
5.8 State the Traffic demand characterization.

6 Understand the factors of telecommunication acts and the functions of Bangladesh Telecommunication Regulatory Commission(BTRC)
6.1 State telecommunication acts.
6.2 Describe the necessity of telecom acts.
6.3 Mention the factors leading to passage of the telecommunication acts.
6.4 Describe the competitive fields in the telecommunication sector.
6.5 List the Functions of FCC, ITU & BTRC.
6.6 Describe the Vision and missions of BTRC.
6.7 Describe the Organizational structures of BTRC.
6.8 List the different Licenses issued by BTRC

7 Understand the concept of Wi-Max and Wi-Fi.
7.1 State the Basic concepts of Wi-Max and Wi-Fi.
7.2 List the standards of Wi-Max and Wi-Fi.
7.3 List the Wi-Max operator in Bangladesh.
7.4 Define the Network Architecture of Wi-Max.
7.5 Describe the Wi-Max security.
7.6 Define 3G and LTE.
7.7 Compare the Wi-Max versus 3G and Wi-Fi.
7.8 Describe the Wi-Max Internet in Bangladesh.
7.9 Describe the Advantages of Wi-Max,3G and Wi-Fi.
7.10 List the Applications of Wi-Max,3G and Wi-Fi.

8 Understand the concept of Voice Over Internet Protocol (VOIP).
8.1 State the Basic concepts of Voice Over Internet Protocol (VOIP)
8.2 Describe the VOIP service and service providers.
8.3 List the VOIP Components.
8.4 Describes the VOIP Protocols
8.5 Describes the Connecting Phones to VOIP , VoIP to PSTN, PSTN to VoIP
8.6 List the Advantage and Disadvantage of VOIP
8.7 List the Applications of VOIP
8.8 Compare the PSTN & VOIP
8.9 Describes the Modes of Internet Telephony
8.10 IP Telephony Standards and Protocols
8.11 Describes the H.323 Architecture
8.12 Describes the Gateways and Gatekeepers
8.13 Define FXS (Foreign Exchange Station) and FXO (Foreign Exchange Office)


1 Study the architecture of GSM public land mobile network.
2 Study the interfacing techniques between BTS to BSC, BSC to MSC and interfaces between other GSM entities.
3 Study the construction and operation of different types of mobile antenna.
4 Study the typical call flow sequence in GSM.
5 Study the operation of SMS architecture.
6 Study the file structure and storage capability of subscriber identity module (SIM) card.
7 Study the call processing procedure for mobile and base station in CDMA system.
8 Study the construction and operation of mobile set.
9 Diagnose the fault of mobile set and make necessary concretion.
10 Disassemble and reassemble the mobile set.
11 Design a cellular network for a certain wire.
12 Study the operation of video call processing.
13 Study the Voice over Internet Protocol (VOIP) system.
** Visit a mobile station and prepare a report.

Reference of Books:

1. Signaling in Telecommunication Networks. – John G. van Bosse
2. Tele traffic Engineering and Network Planning – Villy B. Iversen (Revised May 11, 2006)
3. Wireless Digital Communication – Pahlavan & Krishnamurthy
4. Mobile Communication System – S.C. Lee.
5. VOIP & IP Telephony – Internet
6. WiMAX , 3G and Wi-Fi – Internet
7. Implementation of WiMAX – Amalia da Roca
8. Fundamentals of WiMAX – Jeffrey G. Andrews

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