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GLOBECOM
2008
IEEE
13 years 8 months ago
Uplink Ergodic Mutual Information of OFDMA-Based Two-Hop Cooperative Relay Networks with Imperfect CSI
— This paper analyzes the ergodic mutual information of OFDMA cooperative relay networks when the Channel State Information (CSI) imperfection is considered at resource allocatio...
Mohamad Khattar Awad, Xuemin Shen, Bashar Zogheib
POLICY
2004
Springer
14 years 20 days ago
DecisionQoS: An Adaptive, Self-Evolving QoS Arbitration Module for Storage Systems
As a consequence of the current trend towards consolidating computing, storage and networking infrastructures into large centralized data centers, applications compete for shared ...
Sandeep Uttamchandani, Guillermo A. Alvarez, Gul A...
ICNP
2009
IEEE
14 years 2 months ago
Scalable Video Multicast in Multi-carrier Wireless Data Systems
—Future 4G cellular networks are featured with high data rate and improved coverage, which will enable realtime video multicast and broadcast services. Scalable video coding is v...
Peilong Li, Honghai Zhang, Baohua Zhao, Sampath Ra...
TCOM
2010
119views more  TCOM 2010»
13 years 5 months ago
Optimization of OFDMA-Based Cellular Cognitive Radio Networks
Abstract— In this paper, we study the coexistence and optimization of a multicell cognitive radio network (CRN) which is overlaid with a multicell primary radio network (PRN). We...
Yao Ma, Dong In Kim, Zhiqiang Wu
NTMS
2009
IEEE
14 years 2 months ago
Enhanced Fractional Frequency Reuse to Increase Capacity of OFDMA Systems
—Inter-cell interference (ICI) mitigation is always a big challenge issue in cellular systems. In this work we propose an Enhanced Fractional Frequency Reuse (EFFR) scheme combin...
Zheng Xie, Bernhard Walke