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Information and Communications
Technology Qualifications
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| Prescription: MW610 Mobile Wireless Systems |
| Aim of Module | Students will gain an understanding of mobile wireless systems.
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| Credits | 14
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| Knowledge Assumed From | MW600 Mobile Wireless Principles
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| Student Learning hours | 140
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| Content Revised | New 2002
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| Prescription Expiry Date | Nov 2005
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LEARNING OUTCOMES
The Student Will
| | | | | C | 1. | Describe the National Trunk Radio System and explain its application. | | | C | 2. | Describe the Pager network and explain its application. | | | A | 3. | Describe the wireless LAN standards, explain their application and examine a typical installation. | | | A | 4. | Describe the major cellular network specifications, explain their applications and study a cellular network site. | | | C | 5. | Describe the Bluetooth wireless specification, and explain how it can be applied. | | | C | 6. | Describe a typical VSAT system and explain its application. | | | C | 7. | Describe GPS and explain a typical application. | | | A | 8. | Describe SDH, explain its application to modern wireless networks and assess a network provider’s site. | | |
CONTENT
| | | | > | A description of the National Trunk Radio System and an explanation of its application will include; | | | -the frequency bands, modulation processes and types of aerial used | | | -typical repeater coverage | | | -voice and data facilities available | | | -the choice of network for a typical business application | | |
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| | | | > | A description of the wireless LAN standards and an explanation of their application will include; | | | -Infrared LANs | | | -LAN extension, cross-building interconnect, nomadic access, ad hoc networks | | | -Spread Spectrum LANs, frequency bands and power levels permitted in New Zealand | | | -IEEE 802.11 Wireless Standard and its architecture | | | -Provision of services, associated providers and the services supported | | | -IEEE 802.11 Medium Access Control including: | | | - Reliable data delivery | | | - Access control including: | | | - - Distributed Coordination Function | | | - - Point Coordination Function | | | - - MAC frames | | | -Security including privacy and authentication mechanisms | | | -IEEE 802.11 Physical Layer including: | | | - specifications including: | | | - - Direct sequence spread spectrum and IEEE 802.11b | | | - - Frequency hopping spread spectrum | | | - - Infrared | | | - - IEEE 802.11a Orthogonal FDM | | | -Examining a typical installation | | |
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| | | | > | A description of the major cellular network specifications and their application will include; | | | -Cellular geometries, frequency reuse, cell splitting, microcells and general operation | | | -mobile propagation effects in terms of signal strength and fading | | | -the concept of “Handoff” including traffic and signal strength considerations | | | -transmitted RF power control (open loop versus closed loop) | | | -Global System for Mobile communications (GSM) including: | | | - overall GSM architecture elements included in the mobile station | | | - base station and network subsystems and their functions | | | -the functions of the mobile station including speech encoding, TDMA coding and GMSK modulation | | | -the GSM signalling protocol architecture including LAPD | | | -General Packet Radio Service (GPRS) and the relationship of GPRS with GSM | | | -the GPRS network including the GPRS protocol layers, GPRS identities and GPRS air interface | | | -packet transfer operations | | | -Code Division Multiple Access (CDMA) including advantages and disadvantages | | | -concept of a Radio Activated Key Entry (RAKE) receiver | | | -forward and reverse Link | | | -examination of a cellular network site | | |
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| | | | > | A description of the Bluetooth specification and an explanation of how it can be applied will include; | | | -typical applications of this technology and the core protocol layers | | | -the radio specification (how this allows for the existence of many networks within a small area) | | | -an overview of the baseband specification | | |
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| | | | > | A description of a typical VSAT system and an explanation of its application will include; | | | -wideband remote communication applications | | | -a typical VSAT system including: | | | - Aerial size and gain | | | - Frequency range and bandwidth | | | - Modulation process | | | - Services provided | | |
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| | | | > | A description of a GPS and an explanation of a typical application will include; | | | -the number of satellites in use, their position, frequency band and output powers | | | -how the GPS receiver decodes the received signal and calculates its position | | |
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| | | | > | A description of SDH and an explanation of its application to modern networks will include; | | | -the advantages of SDH over Plesiochronous Digital Hierarchy (PDH) | | | -SDH transport capabilities including ATM, FDDI and DQDB | | | -the Synchronous Transport Mode Level 1 (STM-1) frame structure | | | -utilising an add drop multiplexer to achieve direct synchronous multiplexing | | | -assessing implementations at a network provider’s site | | |
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| | | | Note | | TEACHING/LEARNING METHODS | | | | | Site visits to actual installations should be made, where available. | | | | | | | LEARNING RESOURCES | | | | | Suggested textbook: | | | | | Stallings, W. (2001) Wireless Communications and Networks: Prentice Hall | | |
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