Wireless mesh networks based on CDMA
Computer Communications
Stochastic geometry and random graphs for the analysis and design of wireless networks
IEEE Journal on Selected Areas in Communications - Special issue on stochastic geometry and random graphs for the analysis and designof wireless networks
Contention free inter-cellular slot reservation
IEEE Communications Letters
Uplink capacity and interference avoidance for two-tier femtocell networks
IEEE Transactions on Wireless Communications
A unified model for interference analysis in unlicensed frequency bands
IEEE Transactions on Wireless Communications
Interference protection versus spatial reuse in wireless networks
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Interference in Large Wireless Networks
Foundations and Trends® in Networking
Local information busy burst thresholding
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Sum-rate increase with the hybrid of interference cancellation and busy burst interference avoidance
Asilomar'09 Proceedings of the 43rd Asilomar conference on Signals, systems and computers
IEEE Transactions on Signal Processing
An overview of the transmission capacity of wireless networks
IEEE Transactions on Communications
On optimizing CSMA for wide area ad hoc networks
Queueing Systems: Theory and Applications
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In ad hoc networks, it may be helpful to suppress transmissions by nodes around the desired receiver in order to increase the likelihood of successful communication. This paper introduces the concept of a guard zone, defined as the region around each receiver where interfering transmissions are inhibited. Using stochastic geometry, the guard zone size that maximizes the transmission capacity for spread spectrum ad hoc networks is derived - narrowband transmission (spreading gain of unity) is a special case. A large guard zone naturally decreases the interference, but at the cost of inefficient spatial reuse. The derived results provide insight into the design of contention resolution algorithms by quantifying the optimal tradeoff between interference and spatial reuse in terms of the system parameters. A capacity increase relative to random access (ALOHA) in the range of 2 - 100 fold is demonstrated through an optimal guard zone; the capacity increase depending primarily on the required outage probability, as higher required QoS increasingly rewards scheduling. Compared to the ubiquitous carrier sense multiple access (CSMA) which essentially implements a guard zone around the transmitter rather than the receiver - we observe a capacity increase on the order of 30 - 100%