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ICASSP
2009
IEEE
14 years 2 months ago
Beacon-assisted spectrum access with cooperative cognitive transmitter and receiver
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
Ali Tajer, Xiaodong Wang
TCOM
2008
117views more  TCOM 2008»
13 years 7 months ago
Nested turbo codes for the Costa problem
Driven by applications in data-hiding, MIMO broadcast channel coding, precoding for interference cancellation, and transmitter cooperation in wireless networks, Costa coding has la...
Yong Sun, Momin Uppal, Angelos D. Liveris, Samuel ...
SECON
2008
IEEE
14 years 2 months ago
A Multi-AP Architecture for High-Density WLANs: Protocol Design and Experimental Evaluation
—Fast proliferation of IEEE 802.11 wireless devices has led to the emergence of High-Density (HD) Wireless Local Area Networks (WLANs), where it is challenging to improve the thr...
Yanfeng Zhu, Zhisheng Niu, Qian Zhang, Bo Tan, Zhi...
MOBICOM
2009
ACM
14 years 2 months ago
SAM: enabling practical spatial multiple access in wireless LAN
Spatial multiple access holds the promise to boost the capacity of wireless networks when an access point has multiple antennas. Due to the asynchronous and uncontrolled nature of...
Kun Tan, He Liu, Ji Fang, Wei Wang, Jiansong Zhang...
ISITA
2010
13 years 5 months ago
Outage analysis and optimal power allocation for network-coding-based hybrid AF and DF
Network coding was proposed to increase the achievable throughput of multicast in a network. Recently, combining network coding into user cooperation has attracted research attenti...
Jooha Bek, Jaeyoung Lee, Jun Heo