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VTC
2008
IEEE
14 years 2 months ago
A Signal Perturbation Free Transmit Scheme for MIMO Channel Estimation
— In this paper, a novel signal perturbation free transmit scheme is proposed for MIMO channel estimation. A perturbation analysis of the WR-based method is first conducted, sho...
Feng Wan, Wei-Ping Zhu, M. N. S. Swamy
VTC
2008
IEEE
147views Communications» more  VTC 2008»
14 years 2 months ago
Media Access Technique for Cluster-Based Vehicular Ad Hoc Networks
— We propose a hybrid media access technique for cluster-based vehicular networks. This technique integrates the centralization approach of cluster management and the universal w...
Zaydoun Y. Rawashdeh, Syed Masud Mahmud
VTC
2008
IEEE
224views Communications» more  VTC 2008»
14 years 2 months ago
Dynamic Spectrum Allocation in Wireless Cognitive Sensor Networks: Improving Fairness and Energy Efficiency
Abstract- This paper considers the centralized spectrum allocations in resource-constrained wireless sensor networks with the following goals: (1) allocate spectrum as fairly as po...
Sang-Seon Byun, Ilangko Balasingham, Xuedong Liang
VTC
2008
IEEE
165views Communications» more  VTC 2008»
14 years 2 months ago
Operation and Performance of Vehicular Ad-Hoc Routing Protocols in Realistic Environments
—Vehicle-to-vehicle and vehicle-to-infrastructure wireless communications are currently under development to improve traffic efficiency and safety. Routing protocols enabling mul...
Ramon Bauza, Javier Gozálvez, Miguel Sepulc...
VTC
2008
IEEE
113views Communications» more  VTC 2008»
14 years 2 months ago
On Design of TDD for Joint Uplink and Downlink Resource Allocation in OFDMA-Based WiMax
— In this paper, we study the joint design of uplink and downlink resources in OFDMA-based systems. We first analyze the interactions between uplink and downlink, due essentiall...
Tijani Chahed, Salah-Eddine Elayoubi, Eitan Altman