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JSAC
2008
254views more  JSAC 2008»
15 years 6 months ago
Cross-Layer Based Opportunistic MAC Protocols for QoS Provisionings Over Cognitive Radio Wireless Networks
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
Hang Su, Xi Zhang
JSAC
2008
161views more  JSAC 2008»
15 years 6 months ago
HC-MAC: A Hardware-Constrained Cognitive MAC for Efficient Spectrum Management
Abstract--Radio spectrum resource is of fundamental importance for wireless communication. Recent reports show that most available spectrum has been allocated. While some of the sp...
Juncheng Jia, Qian Zhang, Xuemin Shen
JSAC
2008
157views more  JSAC 2008»
15 years 6 months ago
Spectrum Leasing to Cooperating Secondary Ad Hoc Networks
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
Osvaldo Simeone, Igor Stanojev, Stefano Savazzi, Y...
JSAC
2008
118views more  JSAC 2008»
15 years 6 months ago
PEEC: a channel-adaptive feedback-based error
Reliable transmission is a challenging task over wireless LANs since wireless links are known to be susceptible to errors. Although the current IEEE802.11 standard ARQ error contro...
Sohraab Soltani, Hayder Radha
JSAT
2008
99views more  JSAT 2008»
15 years 6 months ago
A Switching Criterion for Intensification and Diversification in Local Search for SAT
We propose a new switching criterion, namely the evenness or unevenness of the distribution of variable weights, and use this criterion to combine intensification and diversificat...
Wanxia Wei, Chu Min Li, Harry Zhang
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