4阶脉冲幅度调制信号对光电器件的线性度要求较高,色散容限较小;10G级光器件的带宽限制严重影响系统性能。描述了采用商用25G级光......

由于紫外光在传输过程中受到散射效应和大气湍流的影响,非直视无线紫外光通信中存在严重的码间串扰和传输衰减问题。提出一种基于......

We study the channel estimation and power allocation method for the Cooperative relaying sys-tem using Non-orthogonal mu......

Channel estimation is a well-known challenge for wireless orthogonal frequency division multiplexing (OFDM) communica-ti......