The study shows that enhancing the transmission rate of the NB system, as well as the power spectral density (PSD) of the UWB signal in the bandwidth of the NB system, will result in the higher BER of the NB system.

• 研究表明,提高NB系统的传输速率或增大UWB信号在NB系统的工作频带内的功率谱密度会减小NB系统的信噪比,增大NB系统的误码率。