An Overview of Scaling Laws in Ad Hoc and Cognitive Radio Networks
Wireless Personal Communications: An International Journal
Achievable rates and scaling laws for cognitive radio channels
EURASIP Journal on Wireless Communications and Networking - Cognitive Radio and Dynamic Spectrum Sharing Systems
Scaling laws of single-hop cognitive networks
IEEE Transactions on Wireless Communications
The capacity of wireless networks: information-theoretic and physical limits
IEEE Transactions on Information Theory
WTS'09 Proceedings of the 2009 conference on Wireless Telecommunications Symposium
Information-theoretic operating regimes of large wireless networks
IEEE Transactions on Information Theory
EURASIP Journal on Wireless Communications and Networking - Special issue on security and resilience for smart devices and applications
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The capacity scaling of extended two-dimensional wireless networks is known in the high-attenuation regime, i.e., when the power path loss exponent alpha is greater than 4. This has been accomplished by deriving information-theoretic upper bounds for this regime that match the corresponding lower bounds. On the contrary, not much is known in the so-called low-attenuation regime when 2lesalphales4. (For one-dimensional networks, the uncharacterized regime is 1lesalphales2.5.) The dichotomy is due to the fact that while communication is highly power-limited in the first case and power-based arguments suffice to get tight upper bounds, the study of the low-attenuation regime requires a more precise analysis of the degrees of freedom involved. In this paper, we study the capacity scaling of extended wireless networks with an emphasis on the low-attenuation regime and show that in the absence of small scale fading, the low attenuation regime does not behave significantly different from the high attenuation regime.