Role of exosomes in biological communication systems 并列题名:Role of exosomes in biological communication systems mobile edge computing in 5g communication systems Polarization optics in optical fiber communication systems Mobile edge computing in 5G communication systems Modern digital and analog communication systems modern digital and analog communication systems Precoding techniques for digital communication systems 并列题名:Precoding techniques for digital communication systems 并列题名:Polarization optics in optical fiber communication systems