Technological advances in railroads' work order reporting systems
Low energy microwave automatic communications system (LEMACS)
Data transmission protocol in integrated mobile communications network
Optical bus architecture for co-deployment of telephone and CATV services in the FRG
Direct conversion transceiver design for compact low-cost portable mobile radio terminals
Individual communication function of RACS: Road Automobile Communication System
Long distance data transmission of safety information for the solid state interlocking
Design aspects and performance evaluation of ATCS mobile data link
The performance of GTFM in a frequency-selective Rayleigh fading channel