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» On the Wake-Up Problem in Radio Networks
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ECCC
2000
72views more  ECCC 2000»
13 years 6 months ago
On the power assignment problem in radio networks
Andrea E. F. Clementi, Paolo Penna, Riccardo Silve...
TSP
2012
12 years 2 months ago
Robust Multicast Beamforming for Spectrum Sharing-Based Cognitive Radios
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
CISS
2008
IEEE
14 years 1 months ago
Quickest spectrum sensing in cognitive radio
Abstract— Quickest detection is applied to frequency spectrum sensing in cognitive radio systems. Distribution change in frequency domain is detected for vacating secondary radio...
Husheng Li, Chengzhi Li, Huaiyu Dai
ICC
2007
IEEE
125views Communications» more  ICC 2007»
14 years 1 months ago
Network-Wide Resource Optimization of Wireless OFDMA Mesh Networks with Multiple Radios
— We consider the problem of joint end-to-end rate optimization and radio resource management in wireless OFDMA-based mesh networks. Radio units equipped with multiple radio inte...
Pablo Soldati, Mikael Johansson
ALGOSENSORS
2009
Springer
14 years 1 months ago
Near-Optimal Radio Use for Wireless Network Synchronization
In this paper we consider the model of communication where wireless devices can either switch their radios off to save energy (and hence, can neither send nor receive messages), o...
Milan Bradonjic, Eddie Kohler, Rafail Ostrovsky