Abstract
This chapter focuses on spectrum sharing between different wireless technologies. The examples are concerned with wireless LANs and other commodity wireless technologies such as Bluetooth, Zigbee and Ultra-Wide-Band. These are low power, license exempt devices, which are used in many applications and in various frequency bands. None of these technologies has been designed to share spectrum efficiently with other technologies. The results are instructive in that they show the sharing between dissimilar systems is not very efficient.
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Notes
- 1.
See IEEE 802.15.2-2003-Part 15.2: Coexistence of Wireless Personal Area Networks with Other Wireless Devices Operating in Unlicensed Frequency Bands.
- 2.
See e.g. Gerrior and Woodings [56].
- 3.
See IEEE 802.11-2007, clause 15.4.8.5.
- 4.
See IEEE 802.11-2007, clause 17.3.10.5.
- 5.
See Sect. 6.2.
- 6.
Due to the random nature of the hop sequence, the actual interval may be much shorter.
- 7.
The “smart grid” has been conceived to solve large-scale energy distribution problems.
- 8.
Assuming a pathloss model of free space up to 4 m, a wall of 10 dB attenuation and 10 dB/octave attenuation beyond the breakpoint.
- 9.
See e.g. the NIST website. A good introduction is available as collaborate.nist.gov/twiki-sggrid/…/SmartGrid/…/LTE_SmartGrid_Analysis.ppt.
- 10.
See ECC Report 120: Technical Requirements for UWB DAA (detect and avoid) devices to ensure the protection of radiolocation services in the bands 3.1–3.4 GHz and 8.5–9 GHz and BWA terminals in the band 3.4–4.2 GHz.
- 11.
See www.USB.org. It states that the Wireless USB performance is targeted at 480 Mbps at 3 m and 110 Mbps at 10 m.
Reference
M. Gerrior, R. W. Woodings, Avoiding interference in the 2.4-GHz ISM band, Microwave Engineering Europe (16 Feb 2005)
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© 2011 Springer Science+Business Media B.V.
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Kruys, J., Qian, L. (2011). Spectrum Sharing with Other Commodity Technologies. In: Sharing RF Spectrum with Commodity Wireless Technologies. Signals and Communication Technology. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1585-1_8
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DOI: https://doi.org/10.1007/978-94-007-1585-1_8
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