Transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, each frame comprising at least two signalling patterns adjacent to each other in the frequency direction and data patterns following the at least two signalling patterns in the time direction in the time slot immediately succeeding the time slot in which the at least two signalling patterns are located, wherein each of the data patterns succeeding the at least two signalling patterns is respectively followed by further data patterns in succeeding time slots in the time direction, wherein all data patterns following each other in the time direction have the same frequency direction structure, each of the at least two signalling patterns and the data patterns comprising a plurality of frequency carriers, said transmitting apparatus comprising frame forming means adapted - to arrange identical first signalling data and pilot signals in said at least two signalling patterns, said first signalling data comprising the physical layer information necessary for the receipt of the succeeding data patterns, whereby the first signalling data are repeated in each of said at least two signalling patterns so that the identical first signalling data can be retrieved from each of said at least two signalling patterns, - to arrange data and pilot signals in said data patterns, whereby the data of said data patterns are arranged in data frames, each data frame comprising individual second signalling data for the respective data frame and content data, whereby two or more data frames are allocated to the data patterns following each other in the time direction and having the same frequency allocation, said second signalling data comprising information about one or more of the length of the respective data frame, the modulation of the content data in the respective data frame, the coding of the content data in the respective data frame, and the length of the content data in the respective data frame, and - to encode the second signalling data and modulate a part of a synchronization sequence onto at least a part of the encoded second signalling data, transforming means adapted to transform said at least two signalling patterns and said data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal, and transmitting means adapted to transmit said time domain transmission signal. - to arrange identical first signalling data and pilot signals in said at least two signalling patterns, said first signalling data comprising the physical layer information necessary for the receipt of the succeeding data patterns, whereby the first signalling data are repeated in each of said at least two signalling patterns so that the identical first signalling data can be retrieved from each of said at least two signalling patterns, - to arrange data and pilot signals in said data patterns, whereby the data of said data patterns are arranged in data frames, each data frame comprising individual second signalling data for the respective data frame and content data, whereby two or more data frames are allocated to the data patterns following each other in the time direction and having the same frequency allocation, said second signalling data comprising information about one or more of the length of the respective data frame, the modulation of the content data in the respective data frame, the coding of the content data in the respective data frame, and the length of the content data in the respective data frame, and - to encode the second signalling data and modulate a part of a synchronization sequence onto at least a part of the encoded second signalling data,