Patent ID: 9722743
Date: 2017-08-01
CPC Classifications: H04L,H04W

Claim:
1. A method for uplink communication between a terminal and a multi-RAT (radio access technology) wireless communication network comprising one or more base stations, the method comprising: in the multi-RAT wireless communication network, configuring radio bearers, each radio bearer to be carried by one or more radio access technologies (RATs) among a plurality of RATs available to the terminal, and associating logical channels with radio bearers by assigning to each radio bearer one or more logical channels; in the terminal, transmitting one or more buffer status reports to a base station operating according to one or more of the RATs, where at least one of the buffer status reports contains information on data to be sent on a first set of logical channels associated with a first set of radio bearers where the first set of radio bearers is to be carried by more than one RAT; and in the base station, forwarding at least a relevant part of the at least one buffer status report to one or more base stations operating according to an other RAT by which the first set of radio bearers is configured to be carried.