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» Sensing-based opportunistic channel access
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TWC
2008
119views more  TWC 2008»
13 years 9 months ago
Flow-level performance of opportunistic OFDM-TDMA and OFDMA networks
Abstract--In this paper, the flow-level performance of opportunistic scheduling in orthogonal frequency division multiplexing (OFDM) networks is studied. The analysis accounts for ...
Lei Lei, Chuang Lin, Jun Cai, Xuemin Shen
JSAC
2007
130views more  JSAC 2007»
13 years 9 months ago
Cross-layer QoS Analysis of Opportunistic OFDM-TDMA and OFDMA Networks
Abstract— Performance analysis of multiuser orthogonal frequency division multiplexing (OFDM-TDMA) and orthogonal frequency division multiple access (OFDMA) networks in support o...
Yu-Jung Chang, Feng-Tsun Chien, C. C. Jay Kuo
JSAC
2011
215views more  JSAC 2011»
13 years 4 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su
INFOCOM
2006
IEEE
14 years 3 months ago
A Power-Saving Multi-Radio Multi-Channel MAC Protocol for Wireless Local Area Networks
— Opportunistic spectrum access and adaptive power management are effective techniques to improve throughput, delay performance, and energy efficiency for wireless networks. In ...
Jianfeng Wang, Yuguang Fang, Dapeng Oliver Wu
VTC
2010
IEEE
162views Communications» more  VTC 2010»
13 years 8 months ago
Cognitive Radio Enabled Multi-Channel Access for Vehicular Communications
—The IEEE 1609.4 standard has been proposed to provide multi-channel operations in wireless access for vehicular environments (WAVE), where all the channels are periodically sync...
Jui-Hung Chu, Kai-Ten Feng, Chen-Nee Chuah, Chin-F...