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Optimal Stochastic Coordinated Beamforming for Wireless Cooperative Networks with CSI Uncertainty
Yuanming Shi, Jun Zhang, Khaled B. Letaief
Transmit optimization and resource allocation for wireless cooperative networks with channel state information (CSI) uncertainty are important but challenging problems in terms of…
Group Sparse Beamforming for Green Cloud-RAN
Yuanming Shi, Jun Zhang, Khaled B. Letaief
A cloud radio access network (Cloud-RAN) is a network architecture that holds the promise of meeting the explosive growth of mobile data traffic. In this architecture, all the base…
Outage Exponent: A Unified Performance Metric for Parallel Fading Channels
Bo Bai, Wei Chen, Khaled B. Letaief +1
The parallel fading channel, which consists of finite number of subchannels, is very important, because it can be used to formulate many practical communication systems. The outage…
An Outage Exponent Region based Coded f-Matching Framework for Channel Allocation in Multi-carrier Multi-access Channels
Bo Bai, Wei Chen, Khaled B. Letaief +1
The multi-carrier multi-access technique is widely adopt in future wireless communication systems, such as IEEE 802.16m and 3GPP LTE-A. The channel resources allocation in multi-ca…
Throughput and Energy Efficiency Analysis of Small Cell Networks with Multi-antenna Base Stations
C. Li, J. Zhang, K. B. Letaief
Small cell networks have recently been proposed as an important evolution path for the next-generation cellular networks. However, with more and more irregularly deployed base stat…