Molecular communication is a novel approach for conveying information at the nano- or micro-scale. The modulation and demodulation schemes for fixed transmitter and receiver nanomachine have been studied in previous literature. However, it is still a big challenge to perform the demodulation when the transmitter and/or the receiver is mobile. In this paper, a simple and effective demodulation scheme for a mobile receiver is investigated for 3-D scenario with drift. Inter-symbol interference (ISI) mitigation, bit alignment scheme and an adaptive threshold mechanism are proposed for correct demodulation. The parameters such as symbol interval and flow/receiver velocity ratio are simulated and analyzed in terms of bit error rate.

分子通信是一种用于在纳米或微米级传递信息的新颖方法。在先前的文献中已经研究了用于固定发射器和接收器纳米机的调制和解调方案。然而，当发射器和/或接收器是移动的时，执行解调仍然是很大的挑战。在本文中，针对带有漂移的3D场景，研究了一种简单有效的移动接收机解调方案。提出了符号间干扰（ISI）缓解，比特对齐方案和自适应阈值机制，以进行正确解调。根据误码率对符号间隔和流量/接收器速度比等参数进行仿真和分析。