Indoor positioning systems have been sufficiently researched to provide location information of persons and devices.This paper is focused on the current researc
As a key technology to realize smart services of Internet of Things(Io T),network virtualization technology can support the network diversification and ubiquity
We proposed a hybrid transmission system consist of 1Tbit/s Nyquist WDM channels,100Gbit/s PDM-QPSK WDM channels and 10Gbit/s NRZ WDM channels to study whether