A digital modulation method and device, especially an optical digital modulation method and device
DE102010017528A1
Method and receiving device for determining the assignment of sub-signals transmitted in inverse multiplex, in particular via an optical transport network (OTN), to the transmission links carrying them
DE102010020772A1
Method for transmitting a digital signal in inverse multiplex, in particular via an optical transport network and receiving device for a system for implementing the method
EP2385642A1
A method for providing protection in an optical communication network against connection failures
EP2365649A1
Optical network and method of operating an optical network
EP2296302A1
Method for cntrolling the center wavelengh of at least one narrow band optical channel WDM transmitting device in a WDM network and corresponding WDM transmitting
DE102009022365B3
Method and device for 1 + 1 protection of an optical transmission path
DE102009021010A1
Optical WDM transceiver and optical transceiver unit therefor
DE102009000988A1
Method and arrangement for measuring a signal power
DE102008017644A1
Apparatus and method for transmitting an optical data signal
US2008212469A1
System and method of defense against denial of service of attacks
DE102008005942A1
Method for protecting a passive optical transmission network and passive optical transmission network with a corresponding protection mechanism
DE102007061190A1
Passive optical wavelength multiplex-transmission network monitoring method for use in e.g. office buildings, involves evaluating monitoring signal or backscattering-signal, which is produced by monitoring signal in cables
DE102007050837A1
Method and transmission device for the tap-proof transmission of a digital optical signal
EP2015521A1
NTU queuing system
DE102007021547A1
Method for optical coding of analog optical signal, involves modulating analog optical signal by change of signal parameter as function of secret modulation key function
DE102007020661A1
Data transmission unit for high bit rate data signals, in particular high bit rate optical data signals greater than 1 Gbit / s
DE102007019345A1
Method and device for monitoring an optical amplifier, in particular an optical fiber amplifier
DE102007015628A1
Method and device for monitoring a data transmission path, in particular an optical bidirectional data transmission path
DE102007013606A1
Method and system and receiver for locating an attenuation change point in an optical waveguide and tap-proof optical signal transmission system
