Sciweavers

GLOBECOM
2009
IEEE
13 years 6 months ago
CatchIt: Detect Malicious Nodes in Collaborative Spectrum Sensing
Collaborative spectrum sensing in cognitive radio networks has been proposed as an efficient way to improve the performance of primary users detection. In collaborative spectrum se...
Wenkai Wang, Husheng Li, Yan Sun, Zhu Han
GLOBECOM
2009
IEEE
13 years 6 months ago
Efficient Data Collection for Wireless Networks: Delay and Energy Tradeoffs
In this paper, we study efficient data collection for wireless sensor networks. We present efficient distributed algorithms with approximately the minimum delay, or the minimum mes...
Chao Ren, XuFei Mao, Xiang-Yang Li, Ping Xu, Guoju...
GLOBECOM
2009
IEEE
13 years 6 months ago
Power Allocation for Cooperative Diversity Networks with Inaccurate CSI: A Robust and Constrained Kalman Filter Approach
In this paper, a novel Kalman filter-based power allocation scheme is developed for cooperative networks with inaccurate channel state information (CSI). The channel estimation err...
Mohamad Khattar Awad, Veluppillai Mahinthan, Xuemi...
GLOBECOM
2009
IEEE
13 years 6 months ago
Maintaining Utility Fairness Using Weighting Factors in Wireless Networks
Maintaining fairness using weighting factors is a common approach in resource allocation. However, computing weighting factors for multiservice wireless networks is not trivial bec...
Mehri Mehrjoo, Mohamad Khattar Awad, Mehrdad Diana...
GLOBECOM
2009
IEEE
13 years 6 months ago
Energy-Efficient Space-Time Coded Cooperative Routing in Multihop Wireless Networks
Due to the limited energy supplies of nodes in many applications like wireless sensor networks, energy efficiency is crucial for extending the lifetime of these networks. This pape...
Behrouz Maham, Ravi Narasimhan, Are Hjørung...
GLOBECOM
2009
IEEE
13 years 6 months ago
Exact Closed-Form Expressions for the Outage Probability and Ergodic Capacity of Decode-and-Forward Opportunistic Relaying
Exact statistics of the local signal-to-noise ratios (SNRs) of the best relay in decode-and-forward (DF) opportunistic relaying (ORe) are derived. It is observed that although the ...
Reza Nikjah, Norman C. Beaulieu
GLOBECOM
2009
IEEE
13 years 6 months ago
Nonparametric Obstruction Detection for UWB Localization
Ultra-wide bandwidth (UWB) transmission is a promising technology for indoor localization due to its fine delay resolution and obstacle-penetration capabilities. However, the prese...
Stefano Maranò, Wesley M. Gifford, Henk Wym...
GLOBECOM
2009
IEEE
13 years 6 months ago
On the Rate Duality of MIMO Interference Channel and Its Application to Sum Rate Maximization
In this paper, we establish a rate duality between the forward and reverse links of MIMO interference channel, where the reverse links are obtained by exchanging the roles of trans...
An Liu, Youjian Liu, Haige Xiang, Wu Luo
GLOBECOM
2009
IEEE
13 years 6 months ago
Cooperative Uplink of Two Mobile Stations with Network Coding Based on the WiMax LDPC Code
We consider the uplink of two mobile stations with the help of one common relay. Recently, joint network-channel coding based on LDPC codes was proposed for this setup where the ch...
Lena Chebli, Christoph Hausl, Georg Zeitler, Ralf ...