| 摘要 |
The invention relates to a method and an arrangement at a wireless, digital, radio communications system which contribute to improving the automatic link adaption, i.e. to, while a call is going on, make it possible to change the channel coding for, for instance, the GSM-services 14,4 kbps and HSCSD. The invention solves this by, at change of channel coding from 14,4 kbps to a more robust channel coding, such as 9,4 kbps, also parameters from RLP, in addition to RXQUAL, are utilized, which also makes possible use of information which describes status of the data transmission link and indirectly real data rate. This will increase the possibilities to, at right point of time, trig a change of channel coding while signal communication is going on between the transmitting and receiving equipments.
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