NDLI: Scaling Laws for Overlaid Wireless Networks: A Cognitive Radio Network vs. a Primary Network

Content Provider	IEEE Xplore Digital Library
Author	Changchuan Yin Long Gao Shuguang Cui
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Texas A&M Univ., College Station, TX (Long Gao; Shuguang Cui) \|\| Key Lab. of Universal Wireless Commun., Beijing Univ. of Posts & Telecommun., Beijing (Changchuan Yin)
Abstract	We study the scaling laws for the throughputs of two coexisting wireless networks that operate in the same geographic region. The primary network consists of Poisson distributed legacy users of density n, and the secondary network consists of Poisson distributed cognitive users of density m, with m > n. The primary users have a higher priority to access the spectrum without particular considerations for the secondary users, while the secondary users have to act conservatively in order to limit interference to the primary users. With a practical assumption that the secondary users only know the locations of the primary transmitters, we show that both networks can achieve the same throughput scaling law as a stand-alone wireless network if proper transmission schemes are deployed, where a finite throughput is achievable for each individual secondary user (i.e., zero outage) with high probability.
Starting Page	1
Ending Page	5
File Size	267528
Page Count	5
File Format	PDF
ISBN	9781424423248
ISSN	1930529X
DOI	10.1109/GLOCOM.2008.ECP.244
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless networks Cognitive radio Throughput Wireless communication Interference Radio transmitters Spread spectrum communication FCC Laboratories Computer science education
Content Type	Text
Resource Type	Article

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