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
Vehicle antenna development for mobile satellite applications
Technical design and performance analysis of aeronautical satellite communication systems
Data interfaces to the Space Station Information System
A modular frequency management facility with application at HF
The land mobile satellite service: road & railway communications
Synchronizable error-control coding for railway track circuit data transmission
A technique for communicating AVL traffic by subliminal data signalling over a speech radio channel