| Subcarrier and power allocation algorithm based on inter-cell interference mitigation for OFDMA system |
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| 作者姓名： | ZOU Ting DENG Gang WANG Ying ZHANG Ping Wireless Technology Innovation Institute Beijing University of Posts and Telecommunications Beijing China |
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| 作者单位： | ZOU Ting，DENG Gang，WANG Ying，ZHANG Ping Wireless Technology Innovation Institute，Beijing University of Posts and Telecommunications，Beijing 100876，China |
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| 摘 要： | This article proposes a dynamic subcarrier and power allocation algorithm for multicell orthogonal frequency division multiple access (OFDMA) downlink system, based on inter-cell interference (ICI) mitigation. Different from other ICI mitigation schemes, which pay little attention to power allocation in the system, the proposed algorithm assigns channels to each user, based on proportional-fair (PF) scheduling and ICI coordination, whereas allocating power is based on link gain distribution and the loading bit based on adaptive modulation and coding (AMC) in base transceiver station (BTS). Simulation results show that the algorithm yields better performance for data services under fast fading.
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| 收稿时间： | 17 April 2006 |
Subcarrier and power allocation algorithm based on inter-cell interference mitigation for OFDMA system |
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| ZOU Ting,DENG Gang,WANG Ying,ZHANG Ping Wireless Technology Innovation Institute,Beijing University of Posts and Telecommunications,Beijing ,China.Subcarrier and power allocation algorithm based on inter-cell interference mitigation for OFDMA system[J].The Journal of China Universities of Posts and Telecommunications,2007,14(1):90-95. |
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| Authors: | ZOU Ting DENG Gang WANG Ying ZHANG Ping |
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| Affiliation: | Wireless Technology Innovation Institute, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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| Abstract: | This article proposes a dynamic subcarrier and power allocation algorithm for multicell orthogonal frequency division multiple access (OFDMA) downlink system, based on inter-cell interference (ICI) mitigation. Different from other ICI mitigation schemes, which pay little attention to power allocation in the system, the proposed algorithm assigns channels to each user, based on proportional-fair (PF) scheduling and ICI coordination, whereas allocating power is based on link gain distribution and the loading bit based on adaptive modulation and coding (AMC) in base transceiver station (BTS). Simulation results show that the algorithm yields better performance for data services under fast fading. |
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| Keywords: | ICI mitigation OFDMA cell edge user equipments (CEUs) cell centre user equipments (CCUs) dynamic resource allocation |
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