Wireless computer networks – lecture subjects
  1. Why wireless netwotks? Reasons for the application of wireless transmission media. Opportunities of wireless networks and transmission systems application, examples. Particular cases of wireless networks - mobile ad-hoc networks and wireless ATM networks. Introduction to wireless media characteristics, electromagnetic waves division.
  2. Wireless media characteristics. electromagnetic waves division.. Radio waves characteristics. Bands division. Propagation classification. Propagation description for waves: long, medium, short, ultrashort and microwaves. Radio waves utilisation for data transmission. Optical waves characteristics. Infrared and laser waves properties. Optical links classification.
  3. Wireless media characteristics. Digital radio communications system structure. Modulation methods. Radiocommunication system parameters design. Spread spectrum systems (DSSS, FHSS, THSS, chirp, CDMA). Modulation in optical systems. Law restrictions and general technical parameters of wireless links.
  4. Medium access protocols in wireless local networks. Problem description. Hidden and exposed nodes, capture effect, interference. Collision avoidance methods for wireless ad-hoc networks: busy-tone, control frames exchange, separate control channel. Collsion detection by means of pauses.
  5. Contention MAC protocols. Aloha, CSMA, BTMA, SRMA, MSAP, MACA, MACAW, FAMA and BAPU. Efficiency comparison for the most important protocols.
  6. Reservation and slot-based protocols for wireless networks. Reservation Aloha, PRMA, SRMA, MSAP, BRAM. Modification opportunities of fixed-assignment TDMA protocol in ad-hoc networks. Hybrid protocols: ADAPT, ABROAD, AGENT.
  7. Wireless ATM networks. An introduction to wireless ATM issues. Application examples. Physical layer considerations. Examples of MAC protocols for wireless ATM.
  8. Classification of wireless connectivity systems. Cordless and cellular telephony systems. Stationary and mobile wide area networks. Local and personal area networks. Classical wide area networks - Packet Radio: architecture, radio link parameters, radio link protocol, transmission devices.
  9. GSM Standard. Foundations of cellular telephony systems operations. GSM standard architecture. Radio frequency ranges. GSM frames and signal processing. Data transmission services: CSD, HSCSD, GPRS. GSM architecture with GPRS capability. DECT Standard. Cordless telephony. DECT system structure. Signal processing. DECT/GSM cooperation.
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  11. Wireless LANs. IEEE 802.11 Standard. Genesis. Basic terms, network architecture. Physical layer variants, signal processing methods. Frame formats. DFWMAC - medium access protocol. Management and security mechanisms. Devices functionality. ETSI HiPeRLAN standard. Architecture. Physical layer, frame format. EY-NPMA - medium access protocol. HiPeRLAN/2, HiperAccess, IEEE 802.16. HomeRF.
  12. Wireless PANs. IrDA. Architecture. Physical layer. Protocols: IrLAP, IrLMP, IrCOMM, IrLAN. BlueTooth. Network topology, system architecture. Radio link. Link controller. Frame types and structure. Higher level protocols. IrDA and BlueTooth comparison.
  13. Wireless PANs. WPAN IEEE 802.15.3 - High Rate Wireless Personal Area Network (HR-WPAN). "Wireless USB" proposition - IEEE 802.15.3a. WPAN IEEE 802.15.4 - Low Rate Wireless Personal Area Network  (LR-WPAN).
  14. Cooperation of wired and wireless networks. Network integration methods. Protocol converter tasks. Protocol converter realisation variants. Data transfer in network containing converters. Future network integration.



Laboratory schedule for SBiUP, BSK and WCN 2011/12 (PDF)


Literature (in Polish)

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  1. Zieliński B.: Bezprzewodowe sieci komputerowe. Helion, Gliwice 2000
Complementary literature (in Polish) Literature (in English)

Presentations from PhD studies lecture (in Polish):

  1. Bezprzewodowe media transmisyjne - charakterystyka i sposoby przetwarzania sygnałów
  2. Protokoły dostępu do łącza dla sieci bezprzewodowych - geneza problemu, rozwiązania, przykładowe protokoły i analiza ich wydajności
  3. Systemy i standardy sieci bezprzewodowych - klasyfikacja, sieci lokalne (IEEE 802.11, HiPeRLAN), sieci osobiste (IrDA, BlueTooth)



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