CPC H04W 76/15 (2018.02) [H04W 12/037 (2021.01); H04W 72/04 (2013.01); H04W 76/19 (2018.02)] | 16 Claims |
1. A communications device for use in a mobile communications network, the mobile communications network comprising one or more other infrastructure equipment, the infrastructure equipment and other infrastructure equipment each providing wireless connectivity within at least one cell, wherein the communications device comprises:
transmitter circuitry configured to transmit signals to the infrastructure equipment;
receiver circuitry configured to receive signals from the infrastructure equipment; and
controller circuitry configured to control the transmitter circuitry and the receiver circuitry
to communicate wirelessly with at least a first of the infrastructure equipment including by the use of a radio bearer,
to receive a reconfiguration message from the first infrastructure equipment to effect re-establishment of its radio link control protocol layer, and subsequently
to re-establish its radio link control protocol layer in response to the reconfiguration message, wherein,
subsequent to re-establishing its radio link control protocol layer, the controller circuitry is configured to control storage of received data packets with headers that have or have not been changed by the first infrastructure equipment into separate buffers of the communications device.
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