摘要
物联网下多设备光学通信受到码间干扰影响,导致通信输出的保真性不好,为了提高物联网下多设备光学通信质量,提出基于多复用通信资源块均衡分配的物联网下多设备光学通信数学建模方法。构建多设备光学通信的多复用传输信道模型,采用空间均衡调度方法进行物联网下多设备光学通信的信道自适应均衡配置,建立多设备光学通信的正交匹配信号追踪模型,采用判决反馈均衡器进行物联网下多设备光学通信信道分配过程中均衡配置,结合多复用通信资源块均衡分配方法进行光学通信资源优化分配,通过端点路径数目刻画物联网下多设备光学通信信息传输的有效性,结合码间干扰抑制方法提高通信的抗干扰性。仿真结果表明,采用该方法进行物联网下多设备光学通信的输出质量较高,误码率较低,提高了通信资源的均衡分配能力。
The multi-device optical communication under the Internet of things is affected by inter-symbol interference,which leads to poor fidelity of communication output.In order to improve the quality of multi-device optical communication under the Internet of things,a mathematical modeling method of multi-device optical communication under the Internet of things based on balanced allocation of multiplex communication resource blocks is proposed.The multiplex transmission channel model of multi-device optical communication is constructed,the channel adaptive equilibrium configuration of multi-device optical communication under the Internet of things is carried out by using spatial equilibrium scheduling method.The orthogonal matching signal tracking model of multi-device optical communication is established,and the decision feedback equalizer is used to equalize the channel allocation of multi-device optical communication under the Internet of things.The optimal allocation of optical communication resources is carried out by combining the block equilibrium allocation method of multiplex communication resources.The effectiveness of multidevice optical communication information transmission under the Internet of things is characterized by the number of endpoint paths,and the anti-interference performance of communication is improved by combining the method of inter-symbol interference suppression.The simulation results show that the output quality of multi-device optical communication under the Internet of things is high and the bit error rate is low,which improves the balanced allocation ability of communication resources.
作者
何静
HE Jing(Rongzhi College of Chongqing Technology and Business University,Chongqing 401320,China)
出处
《激光杂志》
北大核心
2020年第10期192-196,共5页
Laser Journal
基金
重庆市教育委员会科学技术研究计划青年项目资助项目(No.KJQN201802102)。
关键词
物联网
多设备
光学通信
信道
the Internet of things
multi-device
optical communication
channel
