OFDM Relay Cognitive Radio Multiple Antennas Resource Allocation Full Duplex Spectrum Sensing Synchronization Spectrum Sharing Interference Cancellation Channel Estimation Feedback Heterogeneous Networks Bi-directional Energy Harvesting Stochastic Geometry HetNet relay networks FBMC Equalization channel capacity TVWS CDMA interference in-band full-duplex system Duplex MIMO Ultra Low Power C-V2V 5G Reliability SC-FDMA interference suppression D-TDD CLI indoor positioning reinforcement learning RSRP weighting - Computation offloading smart factory Cell-free multi-access edge computing estimated position overlapping —Device-to-device (D2D) estimated position updating mMIMO control overhead hybrid NR positioning Femtocell Rat-dependent positioning frame structure Zigbee body area networks channel estimation error Handoff CoMP User grouping power uncertainty ultra-dense small cell network mode selection antenna arrays 5G mobile communication UFMC resource block management inter user interference WVAN health care partial overlap GFDM Dynamic TDD Multi-user Receiver Number of training blocks Uplink SCMA system V2X Vehicular communication cross-link interference LTE-TDD FS-NOMA Location-based user fairness Mode 3 QR Factorization Metaheuristics P-NOMA non-orthogonal multiple access dynamic HetNet spectrum partitioning and 5G networks. massive connectivity non-orthogonal multiple access (NOMA) overloading DQN OTDOA distributed mode Communication range resource selection maximum likelihood method Resource sharing Power allocation packet delay
Status : Presented 
Date : 2011-06 
Title : Spatial Multiplexing Strategy using Multiple Relay Selection in AF Relaying Systems 
Authors : Jihaeng Heo, Gosan Noh, Sungsoo Park, Sangho Nam, and Daesik Hong 
Conference : ITC-CSCC 2011 
Abstract : We consider an amplify-and-forward (AF) halfduplex relaying system which consists of one source and destination pair with M antennas, and K relay nodes with a single antenna. To enhance the capacity of AF relaying system, we propose spatial multiplexing strategies selecting M relay nodes and transmitting M data streams. Two spatial multiplexing strategies are considered according to the knowledge of channel state information (CSI) at the source. Furthermore, to reduce the computational complexity of multiple relay selection efficiently, we propose a sub-optimal selection algorithm. Simulation results show that the proposed strategies achieve more capacity gain as the number of relay nodes increases. In addition, the suboptimal selection algorithm also achieves the multiplexing gain with a small loss compared to the exhaustive search algorithm. 
Download : http://mirinae.yonsei.ac.kr/?module=file...51fb18b087 

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» [ITC-CSCC] Jihaeng Heo, Gosan Noh, Sungsoo Park, Sangho Nam, and Daesik Hong, "Spatial Multiplexing Strategy using Multiple Relay Selection in AF Relaying Systems", ITC-CSCC 2011, June 2011 file Presented  2011-06