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中文摘要：
针对异构网络中毫微微小区（femtocell）之间的同层干扰和femtocell与宏小区（macrocell）之间的跨层干扰，提出一种基于分簇的资源管理方案。该方案包括两部分：第1部分是宏基站（macroeell base station,MBS）利用三轮子信道分配算法为宏用户分配子信道，再采用注水算法分配功率；第2部分首先采用遗传模拟退火算法为femtocell分簇，再利用启发式算法和卡罗需一库恩一塔克（Karush—Kuhn-Tucker，KKT）条件为毫微微用户分别分配子信道和功率。仿真结果表明，该方案有效地抑制了网络中的这两种干扰，满足了用户的数据速率需求，有效地提高了频谱效率。
英文摘要：
To mitigata the co-tier interference among femtocells and the cross-tier interference between fem- tocell and macrocell in the heterogeneous network, a cluster-based resource management scheme is proposed. The proposed scheme includes two parts; in the first part, the three-round subchannel allocation algorithm is a- dopted to assign subchannel to the macro users, then the power is allocated in water-filling fashion. In the other part, femtocelts are divided into disjoint groups by improved genetic simulated annealing algorithm, and then femtocells perform subchannel and power allocation by heuristic algrithm and Karush-Kuhn-Tucker condition. Simulation results show that the proposed scheme suppresses effectively that two interference, not only satisfies the data rate requirements of users, but also improves the spectrum efficiency.
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