Patent ID: 8774020

Claim:
A device for determining transmission performance of sub-channels of a transmission channel in a radio-communication system, the device comprising: a transmission/reception device configured to setup the transmission channel between the device and at least one terminal device provided in the radio-communication system, to generate respective data-transmitting signal sub-carriers for accommodation of the sub-channels, and to determine simultaneously the transmission performance of the sub-channels based at least in part on a plurality of interference signals, each superposed and transmitted on a respective one of the signal sub-carriers, wherein each sub-channel occupies a separate bandwidth sub-range of a total bandwidth range of the transmission channel, and each bandwidth sub-range is distanced from other bandwidth sub-ranges within the total bandwidth range in a manner whereby the bandwidth sub-ranges do not overlap one another within the bandwidth range, and wherein the device further comprises an interference-signal generator configured to generate the interference signals, wherein each bandwidth sub-range is super-positioned with a respective one of the interference signals of a correspondingly limited bandwidth, wherein the interference signals are spectrally distanced from one another in a manner whereby each interference signal is limited within the bandwidth sub-range with which it is super-positioned.