Sciweavers

593 search results - page 39 / 119
» Cooperation and Cognitive Radio
Sort
View
GLOBECOM
2009
IEEE
15 years 4 months ago
Collaborative Quickest Spectrum Sensing via Random Broadcast in Cognitive Radio Systems
Abstract— Quickest detection is applied in the spectrum sensing of cognitive radio systems when multiple secondary users collaborate with limited communication time slots. When t...
Husheng Li, Huaiyu Dai, Chengzhi Li
GLOBECOM
2008
IEEE
15 years 4 months ago
Game Theoretic Rate Adaptation for Spectrum-Overlay Cognitive Radio Networks
— We consider the issue of fair share of the spectrum opportunity for the case of spectrum-overlay cognitive radio networks. Owing to the decentralized nature of the network, we ...
Laxminarayana S. Pillutla, Vikram Krishnamurthy
GLOBECOM
2008
IEEE
15 years 4 months ago
QoS Routing in Wireless Mesh Networks with Cognitive Radios
— In this paper, we study QoS routing in wireless mesh networks with cognitive radios, which involves route selection, channel allocation and scheduling. It turns out to be a har...
Roberto Hincapie, Jian Tang, Guoliang Xue, Roberto...
ICASSP
2008
IEEE
15 years 4 months ago
Optimal stochastic dual resource allocation for cognitive radios based on quantized CSI
The present paper deals with dynamic resource management based on quantized channel state information (CSI) for multi-carrier cognitive radio networks comprising primary and secon...
Antonio G. Marqués, Xin Wang, Georgios B. G...
ICASSP
2008
IEEE
15 years 4 months ago
Mixed-signal parallel compressed sensing and reception for cognitive radio
A parallel structure to do spectrum sensing in Cognitive Radio (CR) at sub-Nyquist rate is proposed. The structure is based on Compressed Sensing (CS) that exploits the sparsity o...
Zhuizhuan Yu, Sebastian Hoyos, Brian M. Sadler