Solving a Class of Sum Power Minimization Problems by Generalized Water-Filling
Radio resource management (RRM) plays an important role in wireless communication systems, especially in more advanced systems with more constraint conditions. In this paper, we first propose a generalized water-filling approach to solve the power allocation problem of minimizing sum power while mee...
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Published in | IEEE transactions on wireless communications Vol. 14; no. 12; pp. 6792 - 6804 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
New York
IEEE
01.12.2015
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subjects | |
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Abstract | Radio resource management (RRM) plays an important role in wireless communication systems, especially in more advanced systems with more constraint conditions. In this paper, we first propose a generalized water-filling approach to solve the power allocation problem of minimizing sum power while meeting the target sum rate constraint with weights. Based on this sum power objective function, we extend the proposed method to more complicated RRM problems with more stringent constraints. The proposed algorithms with this generalized approach possess several distinguished features. They provide exact optimal solutions based on non-derivative methods, as the implementation of the proposed algorithms invokes neither the derivative nor the gradient. With geometric interpretation, the proposed algorithms provide more insights into and intuitions of the problems and could be used to efficiently solve a family of the sum power minimization problems. Optimality of the proposed algorithms is strictly proved. Numerical results that illustrate the steps and demonstrate efficiency of the proposed algorithms are presented. |
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AbstractList | Radio resource management (RRM) plays an important role in wireless communication systems, especially in more advanced systems with more constraint conditions. In this paper, we first propose a generalized water-filling approach to solve the power allocation problem of minimizing sum power while meeting the target sum rate constraint with weights. Based on this sum power objective function, we extend the proposed method to more complicated RRM problems with more stringent constraints. The proposed algorithms with this generalized approach possess several distinguished features. They provide exact optimal solutions based on non-derivative methods, as the implementation of the proposed algorithms invokes neither the derivative nor the gradient. With geometric interpretation, the proposed algorithms provide more insights into and intuitions of the problems and could be used to efficiently solve a family of the sum power minimization problems. Optimality of the proposed algorithms is strictly proved. Numerical results that illustrate the steps and demonstrate efficiency of the proposed algorithms are presented. |
Author | He, Peter Lian Zhao |
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CitedBy_id | crossref_primary_10_3390_electronics9040582 crossref_primary_10_1049_iet_com_2018_5464 crossref_primary_10_1109_TCOMM_2019_2926454 crossref_primary_10_1109_TSP_2023_3279900 crossref_primary_10_1109_TWC_2023_3291692 crossref_primary_10_1109_TVT_2018_2803126 crossref_primary_10_1109_TSP_2020_2973488 crossref_primary_10_1109_TWC_2018_2842204 crossref_primary_10_1109_LSP_2017_2706970 crossref_primary_10_1007_s11235_021_00792_z crossref_primary_10_1109_TCOMM_2020_2996737 crossref_primary_10_1109_LWC_2024_3377444 |
Cites_doi | 10.1109/TSG.2011.2177103 10.1109/MSP.2010.936022 10.1109/TSP.2004.840816 10.1109/ICASSP.2010.5496079 10.1109/JSAC.2008.080105 10.1109/TCOMM.2009.09.080145 10.1109/TSP.2010.2081982 10.1002/j.1538-7305.1984.tb00076.x 10.1002/ett.4460100604 10.1109/TWC.2013.061713.130278 10.1109/LCOMM.2008.080618 10.1109/TWC.2012.012412.110348 10.1109/VETECF.2008.298 10.1017/CBO9780511804441 10.5772/159 10.1109/LCOMM.2006.061007 |
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SubjectTerms | Algorithms Allocations Derivatives Linear programming Mathematical analysis Mathematical models maximum sum data rate Minimization minimum sum power Optimization Resource management Throughput Water-filling Wireless communication |
Title | Solving a Class of Sum Power Minimization Problems by Generalized Water-Filling |
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