Method and apparatus for radio link control during network congestion in a mobile wireless device

摘要

A method and apparatus for radio link control during network congestion in a mobile wireless communication device connected to a radio network subsystem in a wireless cellular network. The mobile wireless communication device detects a pending uplink control message. The mobile wireless communication device determines that an uplink channel on which the pending uplink control message is to be sent has insufficient bandwidth for uplink transmission. After waiting a congestion delay time interval, the mobile wireless communication device sends the pending uplink control message on an uplink signaling channel instead of on the uplink channel. In some embodiments, the uplink channel is associated with a radio access bearer and the uplink signaling channel is associated with a signaling radio bearer.

主权项

1. A method for radio link control in a mobile wireless communication device connected to a radio network subsystem of a wireless cellular network, the method comprising:
at the mobile wireless communication device: detecting a pending uplink control message; receiving a serving grant from the radio network subsystem of the wireless cellular network, the serving grant including a non-zero allocation of radio resources for transmission on a data carrying uplink channel; determining that the serving grant provides insufficient radio resources on the data carrying uplink channel to send the pending uplink control message; waiting a congestion delay time interval; and sending the pending uplink control message on an uplink signaling channel instead of on the data carrying uplink channel.