Patent ID: 9014126
Filing Date: 2015-04-21
Classification: H04L,H04W

Abstract:
1. A method in a user equipment for reporting buffer information, comprising: selecting a format for a buffer report based on a number of radio bearer groups k for which data is available for transmission by a user equipment; encoding a buffer fill level for one or more radio bearer groups in a buffer report in accordance with the selected format, wherein the buffer report includes a buffer format indicator field that indicates the selected format and wherein the buffer report indicates a respective buffer fill level for one or more radio bearer groups associated with the user equipment; and transmitting the buffer report; wherein the buffer format indicator field includes an indicator, wherein the indicator is based on the number of radio bearer groups k for which data is available for transmission; wherein selecting the format for the buffer report comprises: selecting a first format if only a single group of radio bearers has data available for transmission; and selecting a second format if more than one group of radio bearers has data available for transmission.