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An Efficient Global Algorithm for Single-Group Multicast Beamforming
Lu, Cheng1; Liu, Ya-Feng2
2017-07-15
Source PublicationIEEE TRANSACTIONS ON SIGNAL PROCESSING
ISSN1053-587X
Volume65Issue:14Pages:3761-3774
AbstractConsider the single-group multicast beamforming problem, where multiple users receive the same data stream simultaneously from a single transmitter. The problem is NP-hard and all existing algorithms for the problem either find suboptimal approximate or local stationary solutions. In this paper, we propose an efficient branch-and-bound algorithm for the problem that is guaranteed to find its global solution. To the best of our knowledge, our proposed algorithm is the first tailored global algorithm for the single-group multicast beamforming problem. Simulation results show that our proposed algorithm is computationally efficient (albeit its theoretical worst-case iteration complexity is exponential with respect to the number of receivers) and it significantly outperforms a state-of-the-art general-purpose global optimization solver called Baron. Our proposed algorithm provides an important benchmark for performance evaluation of existing algorithms for the same problem. By using it as the benchmark, we show that two state-of-the-art algorithms, semidefinite relaxation algorithm and successive linear approximation algorithm, work well when the problem dimension (i.e., the number of antennas at the transmitter and the number of receivers) is small but their performance deteriorates quickly as the problem dimension increases.
KeywordArgument cuts branch-and-bound algorithm convex relaxation multicasting global optimality transmit beamforming
DOI10.1109/TSP.2017.2699640
Language英语
Funding ProjectNational Natural Science Foundation of China[11671419] ; National Natural Science Foundation of China[11571221] ; National Natural Science Foundation of China[11331012] ; National Natural Science Foundation of China[11631013]
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000402718400013
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/25509
Collection计算数学与科学工程计算研究所
Affiliation1.North China Elect Power Univ, Sch Econ & Management, Beijing 102206, Peoples R China
2.Chinese Acad Sci, State Key Lab Sci & Engn Comp, Inst Computat Math & Sci Engn Comp, Acad Math & Syst Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Lu, Cheng,Liu, Ya-Feng. An Efficient Global Algorithm for Single-Group Multicast Beamforming[J]. IEEE TRANSACTIONS ON SIGNAL PROCESSING,2017,65(14):3761-3774.
APA Lu, Cheng,&Liu, Ya-Feng.(2017).An Efficient Global Algorithm for Single-Group Multicast Beamforming.IEEE TRANSACTIONS ON SIGNAL PROCESSING,65(14),3761-3774.
MLA Lu, Cheng,et al."An Efficient Global Algorithm for Single-Group Multicast Beamforming".IEEE TRANSACTIONS ON SIGNAL PROCESSING 65.14(2017):3761-3774.
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