A link evaluation method based on WLAN and LTE heterogeneous network based on the design and integration of wireless LAN WLAN and LTE long term evolution based on heterogeneous network, determine various channel parameters in wireless networks under the code block average mutual information real-time block MI and wireless network communication system of the packet error rate of PER, the establishment of real time average mutual information block MI the function model of mapping relation between the packet error rate of PER, according to the mapping relationship between PER and the average time block MI mutual information, realize the link performance of perception. The invention is an improved link performance sensing method, which can simplify the physical layer link performance sensing model of wireless communication systems and perform simple and accurate link performance sensing.
【技术实现步骤摘要】
【技术保护点】
1.一种基于WLAN和LTE异构网融合的链路性能感知方法,其特征是包括如下步骤:1)针对异构网融合,确定所选择的无线网络,是无线局域网WLAN或长期演进LTE;2)对应所选择的无线网络,确定对应的调制编码方式MCS;3)生成实时信道信息,并根据步骤2)确定的调制编码方式MCS配置物理层参数,将码块编码调制后发射出去;4)接收端由实时信道信息和物理层参数得到码块的平均实时块互信息MI,所述平均实时块互信息MI即为无线通信系统下当时承载该码块的信道质量描述;5)对无线网络通信系统进行仿真得到块误码的误包率PER;6)经过抽象拟合,通过函数模型建立平均实时块互信息MI与误包率PER的映射关系,然后改变实时信道信息,重复步骤3)-5),得到其他类型信道下的MI和PER,得到MI与PER的映射函数:(math)??(mrow)?(mi)PER(/mi)?(mo)=(/mo)?(msub)?(mi)f(/mi)?(mrow)?(mi)NET(/mi)?(mo),(/mo)?(mi)MSC(/mi)?(/mrow)?(/msub)?(mrow)?(mo)((/mo)?(mi)MI(/mi)?(mo) ...
【技术特征摘要】
【专利技术属性】
技术研发人员:衡伟,张金宝,吴建波,印芷漪,张威,王婉苓,
申请(专利权)人:东南大学,
类型:发明
国别省市:84
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