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United States of America Patent
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app pub date -
Oct 9, 2013
filing date -
Oct 9, 2012
priority date (Note) -
Abandoned
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Abstract
Measures for use in recovering from ciphering errors in an unacknowledged mode environment. The measures, including methods, apparatus, and computer program products, may utilize a user equipment (UE), such as a mobile terminal, to communicate with a network node, such as a wireless station. The network node may mark Radio Bearers (RBs) communicating in the UM RLC mode to manage re-establishment of RBs in response to a ciphering error. In the event of a ciphering error in communications between the UE and the network node, the network node may cause a radio link failure. The radio link failure may cause the UE to initiate a cell update. In response to the cell update, the network node and the UE may each re-establish marked RBs, thus reinitializing the cipher values and correcting the error.
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