An opportunistic power and modulation control algorithm for new generation networks

Torregoza, John Paul; Thai, Pham Ngoc; Han, Yunsop; Andre, Martin; Teraoka, Fumio; Harai, Hiroaki; Hwang, Won-Joo

doi:10.1109/indin.2010.5549600

Cited by 2 publications

(2 citation statements)

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“…In a previous work [12], an optimization model was formulated that aims to achieve three objectives: 1) to maximize throughput R(P, Y, Z), 2) to maximize connectivity C(Y ) and 3) to minimize power consumption P(P, Z). The formulation in (1a)-(1g) summarizes the optimization model.…”

Section: Introductionmentioning

confidence: 99%

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An Opportunistic Cross-Layer Architecture for New Generation Networks

Torregoza

Thai

Han

et al. 2010

2010 IEEE Global Telecommunications Conference GLOBECOM 2010

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Cognitive radio in network core devices such as basestations is being considered as a spectrum management solution for future society's communication demands. Aside from new resource allocation algorithms, efficient inter-and intra-protocol processing should be considered. We propose an opportunistic cross layer architecture called COmmon Layer Architecture (COLA) for information exchange between arbitrary layers for New Generation Networks (NWGN) with networkoriented cognitive radio. Through COLA, information from different protocols, as well as different layers, can be efficiently processed with minimized performance degradation. Emulation and simulation results showed improved aggregate throughput, handoff delay, connectivity and packet drop ratio.

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Section: Introductionmentioning

confidence: 99%

“…To solve the global optima for the non-convex problem in (1a)-(1g), we use a branch-and-bound method with complexity between O(N ) and O(2 N −1 ) [10]. A more detailed derivation and analysis of the model and branchand-bound algorithm, as well as numerical results and analysis, can be seen from our previous work [10], [12].…”

Section: Introductionmentioning

confidence: 99%