Patent ID: 9287947
Filing Date: 2016-03-15
CPC Classification: H04B,H04L

Claim Text:
1. A network node which supports an Enhanced General Packet Radio Service (EGPRS), the network node being arranged to transmit Radio Link Control (RLC) data blocks to at least one other network node in an EGPRS system and to receive acknowledgments from the other network node for successfully received RLC data blocks, the network node also being arranged to make pre-emptive retransmissions of unacknowledged previously transmitted RLC data blocks, the network node being arranged to make its transmissions with or without precoding, the network node being characterized in that it is arranged to use precoding for a first percentage of the pre-emptive retransmissions and for a second percentage of the transmissions of RLC data blocks that have not been transmitted previously, whereby some of said pre-emptive retransmissions and transmissions of RLC data blocks that have not been transmitted previously will be using said precoding.