Patent Document ID: 7554953
Application ID: 10113051

Base Claim:
1. A radio communication system comprising a communication channel for the transmission of data from a secondary station to a primary station, the secondary station being operable in a first (normal) and a second (gated) mode and comprising means for repeatedly transmitting a coded word providing information on transport formats applicable to the channel, and means for transmitting a reduced quantity of information when operating in the second mode compared to that transmitted when operating in the first mode, and the primary station comprising means for receiving and decoding the code word, wherein the secondary station comprises means for using a different coding scheme to generate the coded word in each of the modes and the primary station comprises means for selecting one of two different decoding schemes depending on the current mode of operation of the secondary station and for decoding the coded word using the selected decoding scheme.

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Claim 2:
2. The system of claim 1 , wherein the secondary station comprises means for using a coding scheme during the second mode which generates a code word that is a punctured version of the code word that would be generated by the coding scheme used during the first mode.