基于能效的异构无线网络资源分配与切换调度机制研究

摘要

为了能够有效提高系统的能效,文章对基于能效的异构无线网络资源分配与切换调度机制进行研究,提出了JSRA算法,该算法结合了集中式用户切换角调度算法(CUSA)及能效资源分配算法(BCSA);通过微基站睡眠集中式的切换调度算法(CUSA),确定用户关联基站,最终实现用户微基站与宏基站的之间的切换,之后基站使用以最优信道质量子载波分配调整算法(BCSA)实现用户传输功率及子载波的分配,使网络能够接近于最优解;最后,通过SimuWorks仿真软件创建为网路场景,在仿真过程中设置7个宏基站,通过JSRA算法与其他3种算法的对比,得出如下结果:JSRA算法能够有效降低网络功能消耗,提高异构无线网络的网络能效,提高网络速度.%In order to effectively improve the energy efficiency of the system,this paper studies the resource allocation and handover scheduling mechanism based on energy efficiency in heterogeneous wireless networks.The JSRA algorithm is proposed.This algorithm combines centralized user handover angle scheduling algorithm (CUSA) and Energy Efficiency Resource Allocation Algorithm (BCSA).The base station uses the optimal channel quality subcarrier allocation adjustment algorithm (BCSA) to achieve the handover between the user micro base station and the macro base station by determining the user-related base station through the CUSA of the micro base station sleep-cen tered sleep switching scheduling algorithm (CUSA) User transmission power and subcarrier allocation,the network can be close to the optimal solution.Finally,SimuWorks simulation software is used to create a network scenario.Seven macro base stations are set up during the simulation.By comparing the JSRA algorithm with the other three algorithms,the following results are obtained:The JSRA algorithm can effectively reduce the network consumption and increase the difference Network wireless network energy efficiency,improve network speed.