Abstract

http://ssrn.com/abstract=2411683
 


 



Toward Expanded Wi-Fi Access in the 5 GHz Band


Rob Alderfer


CableLabs

Dirk Grunwald


University of Colorado at Boulder

Kenneth R. Baker


University of Colorado at Boulder - Interdisciplinary Telecommunications Program

July 24, 2013


Abstract:     
Wi-Fi is critical to the nation’s wireless broadband goals, by some estimates carrying more than half of all Internet traffic. However, robust Wi-Fi growth risks a wireless capacity shortage, and the latest mass- market Wi-Fi technology, known as 802.11ac, is constrained by inadequate spectrum access. The FCC has proposed to expand Wi-Fi access in the 5 GHz band to address these issues.

The 5 GHz Wi-Fi band is shared with several other services. This paper analyzes the interference risk to certain incumbent services posed by expanding Wi-Fi access, with a particular focus on two sub-bands known as UNII-1 and UNII-4. We find that interference analyses submitted by incumbent interests are faulty and substantially overstate the risk of interference. We demonstrate how accurate analysis illustrates many potential paths to coexistence between Wi-Fi and incumbent services. We also suggest areas for further research to this end, with the goal of preserving and enhancing the high consumer benefits of Wi-Fi.

Number of Pages in PDF File: 73

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Date posted: March 21, 2014  

Suggested Citation

Alderfer, Rob and Grunwald, Dirk and Baker, Kenneth R., Toward Expanded Wi-Fi Access in the 5 GHz Band (July 24, 2013). Available at SSRN: http://ssrn.com/abstract=2411683 or http://dx.doi.org/10.2139/ssrn.2411683

Contact Information

Rob Alderfer (Contact Author)
CableLabs ( email )
858 Coal Creek Circle
Louisville, CO 80027
United States
HOME PAGE: http://cablelabs.com
Dirk Grunwald
University of Colorado at Boulder ( email )
1070 Edinboro Drive
Boulder, CO 80309
United States
Kenneth R. Baker
University of Colorado at Boulder - Interdisciplinary Telecommunications Program ( email )
Boulder, CO
United States
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