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Unit 1: Introduction to Wireless Networks

Packet Radio System: utilizes special wireless routers that forward data contained within packets Notes
to the destination
Point-to-multipoint Link: utilizes a centralized omnidirectional antenna that provides a single
transceiver point for tying together multiple remote stations.

Real-Time Locating Systems: This concept of location based systems is not compliant with the
standardized concept of real-time locating systems (RTLS) and related local services

1.8 Review Questions

1. Comment “A high performance wireless network can help hospitals in numerous ways”.

2. Describe the role played by wireless networks in education and healthcare.
3. Discuss the advantage of wireless networking.
4. Explain wireless networks applications.
5. List down the benefits that wireless networks offer over traditional wired networks.

6. What are IEEE Standards for Wireless Networks?
7. What are the needs of wireless networking?
8. What are the various types of wireless network?
9. What do you mean by location-based services?
10. Write a brief note on the future of wireless networks.

Answers: Self Assessment

1. 802.11b 2. data transmission

3. IEEE 802.11n
4. Institute of Electrical and Electronic Engineers (IEEE)
5. WLAN 6. RFID
7. Wireless 8. VPNs

9. Short 10. battery power
11. wireless dongle 12. Wireless LAN (WiFi)
13. Reliability 14. Mobility
15. point-to-multipoint wireless MAN 16. packet radio

1.9 Further Readings

Books 802.11 Wireless Networks: The Definitive Guide, Second Edition, Matthew Gast

Introduction to wireless networks, John Ross
Wireless Communications & Networking, Vijay Garg
Wireless Communications: Principles and Practice, Theodore S. Rappaport

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