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Volume 29 Issue 6
Jan.  2011
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ZHANG Tianqi, QUAN Shengrong, QIANG Xingzi, JIANG Xiaolei. Time-frequency Analysis Method Based on Multi-scale Chirplet Sparse Decomposition and Wigner-Ville Transform[J]. Journal of Electronics & Information Technology, 2017, 39(6): 1333-1339. doi: 10.11999/JEIT160750
Citation: Sun Zhi-shui, Yin Chang-chuan, Yue Guang-xin. A Distributed Resource Allocation Scheme for Multi-cell OFDMA Systems[J]. Journal of Electronics & Information Technology, 2007, 29(6): 1295-1298. doi: 10.3724/SP.J.1146.2005.01428

A Distributed Resource Allocation Scheme for Multi-cell OFDMA Systems

doi: 10.3724/SP.J.1146.2005.01428
  • Received Date: 2005-11-07
  • Rev Recd Date: 2006-04-28
  • Publish Date: 2007-06-19
  • In this paper, a distributed resource allocation scheme is developed for OFDMA cellular systems in a downlink transmission. The major impairments considered are co-channel interference and frequency selective fading. The allocation problem includes assignment of sub-carriers, bit loading and power control for multiple users considering their individual QoS as well as the fairness. Exchanging the simple occupation of sub-carriers among cells, the scheme does not result in heave signal load. Simulation results show that the allocation scheme can achieve the tradeoff among different performance objects by adjusting the parameters.
  • Yang B, Letaief K B, Cheng R S, and Cao Z. Channel estimation for OFDM transmission in multipath fading channels based on parametric channel modeling,[J].IEEE Trans. on Commun.2001, 49(3):467-479[2]Keller T and Hanzo L. Adaptive multicarrier modulation: A convenient framework for time frequency processing in wireless communications[J].Proc. IEEE.2000, 88(5):611-640[3]Rhee W and Cioffi J M. Increase in capacity of multiuser OFDM system using dynamic subchannel allocation. In Proc. Vechicular Technology Conf., Tokyo, 2000, vol.2: 1085-1089.[4]Wong C Y, Cheng R S, Letaief K B, and Murch R D. Multicarrier OFDM with adaptive subcarrier, bit, and power Allocation[J].IEEE J. Select. Areas Commun.1999, 17(10):1747-1758[5]Zhang Ying-Jun and Letaief K B. Multiuser adaptive subcarrier-and-bit allocation with adaptive Cell Selection for OFDM Systems[J].IEEE Trans. on Wireless Communications.2004, 3(5):1566-1575[6]Jang J and Lee K B. Transmit power adaptation for multiuser OFDM systems[J].IEEE J. Select. Areas Commun.2003, 21(2):171-178[7]Pietrzyk S and Janssen G J M. Radio resource allocation for cellular networks based on OFDMA with QoS guarantees[J].Global Telecommunications Conference, 2004, GLOBECOM '04, Texas, IEEE, 29 Nov.-3 Dec.2004, Vol.4:2694-2699[8]Su Hsuan-Jung and Geraniotis E. A distributed power allocation algorithm with adaptive modulation for multi-cell OFDM systems. 1998 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications, Sun City, South Africa, 2-4 Sept. 1998, vol.2: 474-478.[9]Zhu Han, Zhu Ji, and Liu K J R. Power minimization for multi-cell OFDM networks using distributed non-cooperative game approach[J].Global Telecommunications Conference, 2004, GLOBECOM '04, Texas. IEEE, 29 Nov.-3 Dec.2004, Vol.6:3742-3747[10]Li Guo-qing and Liu Hui. Downlink dynamic resource allocation for multi-cell OFDMA system. Vehicular Technology Conference, 2003. VTC 2003-Fall, 2003 IEEE 58th, Orlando, Florida, 6-9 Oct. 2003, Vol.3: 1698-1702.[11]Cover T M and Thomas J A. Elements of Information Theory. New York: Wiley and Sons, 1991, 250-253.
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