With energy harvesting capability,the Internet of things(IoT)devices transmit data de-pending on their available energy,......

Advanced technologies are required in future mobile wireless networks to support services with highly diverse requiremen......

Cognitive emergency communication net-works can meet the requirements of large capac-ity,high density and low delay in e......

This paper proposes an ultra narrowband system by combining DS-UWB with conventional amplitude modulation. The basic pri......

According to the concept of autonomous decentralized system，this paper gives out a new train automatic control system，whic......