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基于用户速率公平性的MIMO-OFDMA系统资源分配算法研究

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摘要 文章针对MIMO-OFDMA通信系统,提出了一种基于用户速率公平性的资源分配算法。通过对MIMO-OFDMA系统容量的分析,将每个子载波在每个用户上的MIMO信道通过SVD分解成具有多个特征值的并行空间特征子信道,根据文中提到的Product-criterion分配准则为用户分配子载波,在子载波的分配过程中,选择数据传输速率最小的用户为其优先分配子载波资源。仿真结果表明,文章提出的算法具有良好的性能,较好地保证了用户间数据传输速率的公平性,同时又尽可能地使每个用户的数据传输速率最大化。
出处 《广东通信技术》 2012年第5期36-39,共4页 Guangdong Communication Technology
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  • 1Papoutsis V.D., Fraimis I.G., Kotsopoulos, S.A. Resource allocation algorithm for MIMO-OFDMA systems with minimum resources guarantee, ICECS,12-15,2010,12: 363-366.
  • 2Foschini G.J., Gans M.j. On Limits of communications in a fading environment when using multiple antennas, wireless personal communications, 1988,6(3): 311-335.
  • 3Zhang Y.J., and Letaife K.B. Dynamic multiuser resource allocation and adaptation for wireless systems [J].IEEE wireless commun. 2006,13(4):38-47.
  • 4Wong C.Y., Cheng R.S., Letaief K.B. et al'. Multicarrier OFDM with adaptive subcarrier, bit, and power allocation. [J].IEEE journal on selected areas in communicatio ns,1999,17(10):1747-1758.
  • 5Jiho Jang, Kwang, Bok Lee. Transmit power adaptive for multiuser OFDM systems, IEEE journal on selected areas in communications, 2003,21(2): 171-178.
  • 6Zukang Shen, Andrews J resource allocation in mu .G., Evans B tiuser OFDM .L.. Adaptive systems with proportional rate constraints. IEEE transactions on wireless communications, 2005,4(6): 2726~2737.
  • 7Guoqing Li,Hui Liu. On the optimality of downlink OFDMA MIMO systems, conference record of the 38t" asilomar conference on signals, systems and computers,2004,1(11): 324-328.
  • 8Bin Da and Chi Chung Ko. Resource allocation in downlink MIMO-OFDMA with proportional fairness. J.Commun,Acad. Publ., 2009, 4(1): 8-13.
  • 9Rhee W.,Cioffi J.M.. Increase in capacity of multiuser OFDM system using dynamic subchannel allocation. IEEE 51th vehicular technology conference preceedings, 2000. VTC 2000-Spring Tokyo. 2000,2:1085~1089.
  • 10孙巧云,田辉,董琨,张平.MIMO-OFDM系统中具有QoS保证的动态资源分配[J].电子与信息学报,2009,31(1):41-44. 被引量:6

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