基于干扰抑制的自适应MBSFN资源分配算法

针对传统多播/广播单频网（MBSFN）资源分配算法主要以降低资源块使用数量为目标，并未考虑MBSFN的干扰抑制问题，提出了一种基于干扰抑制的自适应MBSFN资源分配算法（IS-ARAAM）.该算法对MBSFN区域拓扑关系进行数学建模，同时结合基站发射功率对MBSFN间同频干扰的影响，给出了完善的资源复用距离计算公式.仿真结果表明，IS-ARAAM算法在系统覆盖和速率上较传统算法均有明显改善，且能够通过调整资源复用距离来控制资源块消耗数量.

Interference Suppression Based Adaptive Resource Allocation Algorithm in MBSFN

The traditional resource allocation algorithms mainly aim at reducing the required resource units, without considering the interference suppression of multicast/broadcast single frequency network (MBSFN). Therefore, an interference suppression based adaptive resource allocation algorithm in MBSFN (IS-ARAAM) is proposed. The topology relationship between MBSFNs is modeled and the transmit power of base station is also taken into consideration when calculating the reuse distance. Then IS-ARAAM is obtained according to the reuse distance. Simulations demonstrate IS-ARAAM is more effective to improve the rate and coverage of network comparing to traditional algorithms. Meanwhile, IS-ARAAM also provides a way to control the number of required resource blocks through adjusting the reuse distance.