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| Frequency Power Partition Scheme in the Broadband Multi-cell Cellular Networks |
| Wang Wei-wei①; Zeng Yun-bao②; Guo Zi-hua②; Chen Chang-jia① |
| ①School of Electronics and Information Engineering, Beijing Jiaotong University, Beijing 100044, China; ②Broadband Wireless Lab, Lenovo Corporate Research, Beijing 100085, China |
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Abstract Frequency Power Partition (FPP) scheme is proposed by considering the uniform distribution of the services among the cells. In FPP, the frequency reuse factor of one is used among the cells. In each cell, two third of the frequency is transmitted by the lower power; while the left is used by the higher power and orthogonal among the neighboring cells. According to the features of FPP, Influence-based Frequency Allocation (IFA) scheme and Profitability-and-Influence based Frequency Allocation (PIFA) scheme are proposed from the viewpoint of the throughput and the fairness, respectively. Finally, a simple power control scheme is designed by considering the uneven distribution of users and services in the cell. The simulation and analysis results indicate compared to the Soft Frequency Reuse (SFR), FPP+IFA and FPP+PIFA could obtain the large improvement on system throughput and fairness, respectively, and the power control scheme could improve the system throughput further when the users and services are distributed unevenly in the cell.
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Received: 29 June 2007
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2009, Vol. 31 
