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JSAC
2008
161views more  JSAC 2008»
13 years 7 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
IWCMC
2009
ACM
14 years 2 months ago
Effect of feedback prediction on OFDMA system throughput
In wireless communication systems, adaptive modulation and coding (AMC) is used to improve the downlink (DL) spectral efficiency by exploiting the underlying channel condition. Ho...
Mohammad Abdul Awal, Lila Boukhatem
VTC
2007
IEEE
200views Communications» more  VTC 2007»
14 years 1 months ago
General Analysis of Uplink Group-Orthogonal MC-CDMA systems
Abstract—Group-orthogonal multicarrier code-division multiple access (GO-MC-CDMA) has been proposed as a multiplexing technique for the uplink segment of wireless systems. The di...
Guillem Femenias, Felip Riera-Palou, Jaume Ramis
SIGCOMM
2005
ACM
14 years 1 months ago
Using redundancy to cope with failures in a delay tolerant network
We consider the problem of routing in a delay tolerant network (DTN) in the presence of path failures. Previous work on DTN routing has focused on using precisely known network dy...
Sushant Jain, Michael J. Demmer, Rabin K. Patra, K...
EENERGY
2010
13 years 11 months ago
Energy-aware traffic engineering
Energy consumption of the Internet is already substantial and it is likely to increase as operators deploy faster equipment to handle popular bandwidthintensive services, such as ...
Nedeljko Vasic, Dejan Kostic