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Mobile Wireless Communication Fundamentals & Architecture

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  1. MC7503-MOBILE COMPUTING REGULATION 2013 III MCA - V SEMESTER

  2. UNIT - IWIRELESS COMMUNICATION FUNDAMENTALS,ARCHITECTURE

  3. WIRELESS COMMUNICATION FUNDAMENTALS,ARCHITECTURE • Discussion on: Wired network vs Wireless network • What is mobile computing? • Categories of devices Fixed and Wired Fixed and Wireless Mobile and Wireless Mobile and Wired • Applications of mobile and wireless devices

  4. Multiplexing: What is multiplexing? Need of it. • Dimensions SDM FDM TDM CDM

  5. Spread spectrum : What is spread spectrum? • Spread spectrum techniques: DSSS FHSS • Advantages of spread spectrum

  6. GSM Architecture: Introduction Five main groups MS BSS NSS OSS SMS

  7. Handover What is handover? Types: Soft handover Hard handover Examples

  8. Roaming What is roaming? Types Horizontal Roaming Vertical Roaming Example

  9. 2G vs 3G services: Comparison of 2G , 3G in terms of -> Introduced Year -> Datarates offered -> Modulation Techniques used -> Bandwidth -> Technology -> Standards -> etc.,

  10. GPRS: Introduction Two new nodes for packet switching: * SGSN * GGSN Enhanced nodes in GSM

  11. SMS : * What is SMS ? * SMS Architecture * Characteristics of SMS * Two types SMMO SMMT

  12. Comparison of GSM vs CDMA : In terms of : Storage Type Data transfer Network International Roaming Frequency band Network service and technology

  13. GSM Addresses and Identifiers IMEI IMSI MS-ISDN LAI MSRN TMSI LMSI CI

  14. Authentication and Security A3 :Authentication Algorithm A8 :Key generation A5/1:Ciphering and deciphering Algorithms

  15. UNIT - IIMOBILE WIRELESS SHORT RANGE NETWORKS

  16. Introduction: -> Discussion of wireless short range networks -> Need for standards -> Example wireless networks.

  17. WLAN components : Client LAN adapter Access point LAN bridge

  18. WLAN Topologies : Peer to peer topology Access point based topology point to multipoint based topology

  19. WLAN technology : Infrared spread spectrum techniques DSSS FHSS UHF technology

  20. 802.11 Standard : Introduction to IEEE 802.11 reference Duties of physical layer Duties of MAC

  21. 802.11 Architecture model : BSS ESS • Type of transition on devices No transition BSS transition ESS transition

  22. Physical layer Infrared DSSS FHSS • DFWMAC DCF(CSMA/CA Algorithm) PCF

  23. WAP • Introduction • WAP layers WAE WSP WTP WDP

  24. Bluetooth • What is bluetooth ? • Bluetooth protocol stack • Bluetooth groups TPG MPG AG

  25. Transport PG : L2CAP LMP HCI Baseband and radio • MPG RFCOMM SDP OBEX IrDA TCS

  26. IrDA(Infra red data Association) • What is IrDA ? • IrDA specification IrPHY IrLMP IrLAP • Applications

  27. Zigbee • What is zigbee ? • Zigbee protocol Architecture IEEE 802.15.4 Zigbee layers Manufacturer Application

  28. UNIT – 3MOBILE NETWORK,TRANSPORT LAYER

  29. Mobile network layer : • Need of mobile IP Internet and DNS Design IP Address hierarchy Support mobility and wireless mode

  30. Entities and Terminologies : Mobile node Correspondent node Home Agent Foreign Agent COA Co-located -COA Foreign Agent- COA

  31. IP packet delivery : Packet delivery to and from MN to CN • Agent discovery Agent Advertisement Agent Discovery

  32. Registration • Registration request : Mobility binding ICMP packet • Registration reply ICMP packet and field description

  33. Tunneling and Encapsulation • What is tunnelling ? • What is encapsulation? • What is decapsulation? • Types IP-in-IP encapsulation Minimal encapsulation Generic routing encapsulation

  34. Optimization : To overcome Triangular Routing • Messages Binding request Binding reply Binding acknowledgement Binding warning • Discuss about smooth handover

  35. DHCP • DHCP provides • IP address • Subnet mask • Domain name • DNS server address • Default gateway

  36. TCP Improvement : • Address the issue of why fixed TCP is not applicable to wireless and mobile environment • Indirect TCP • Snooping TCP • Mobile TCP

  37. Indirect TCP(I-TCP) • Concept • Data transfer from CH to FA and FA to MN • Handover Process • Advantages and disadvantages

  38. Snooping TCP(S-TCP) • Concept • Data transfer from CH to FA and FA to MN • Handover Process • Advantages and disadvantages

  39. Mobile TCP(M-TCP) • Concept • Data transfer from CH to FA and FA to MN • Handover Process • Advantages and disadvantages

  40. UNIT – IVMOBILE AD-HOC,SENSOR NETWORKS

  41. Mobile Ad-hoc Networks : • Characteristics of ad-hoc network • Instant infra-structure • Disaster relief • Remote access • Effectiveness

  42. Routing algorithm • DSDV • Distance vector routing logic with introducing sequence no damping

  43. DSR Routing Algorithm • Route discovery • Route maintenance • Routing table construction

  44. Alternative metrics : • LIR –least Interference Routing • Calculation of interference • Route identification

  45. Overview of ad-hoc routing protocols • Flat ad-hoc routing • Hierarchical ad-hoc routing • Geographical position assisted ad-hoc routing

  46. Security • Network security requirements • Key management • Trusted key management in ad-hoc network

  47. Password based group system • Threshold cryptography • Self organized public key management for MANET

  48. Wireless sensor network • Characteristics of WSN • Architecture of WSN • Application of WSN

  49. Localization : • Types of nodes • Anchor node • Sensor node • Range based solution • Range free solution

  50. Routing in WSN • Routing challenges and design issues • Network dynamic in nature • Energy consumption

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