21 citations · 29 across the 9 of their papers we have counts for
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cs.IT2017★ 5 cited
The Dual Graph Shift Operator: Identifying the Support of the Frequency Domain
Geert Leus, Santiago Segarra, Alejandro Ribeiro +1
Contemporary data is often supported by an irregular structure, which can be conveniently captured by a graph. Accounting for this graph support is crucial to analyze the data, lea…
cs.IT2012
Underlay Cognitive Radios with Capacity Guarantees for Primary Users
Antonio G. Marques
To use the spectrum efficiently, cognitive radios leverage knowledge of the channel state information (CSI) to optimize the performance of the secondary users (SUs) while limiting…
cs.IT2009
Optimizing Orthogonal Multiple Access based on Quantized Channel State Information
Antonio G. Marques, Georgios B. Giannakis, Javier Ramos
The performance of systems where multiple users communicate over wireless fading links benefits from channel-adaptive allocation of the available resources. Different from most exi…