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Mobile Communication Devices and Deciphering Methods

  • US 20120170744A1
  • Filed: 05/11/2011
  • Published: 07/05/2012
  • Est. Priority Date: 12/31/2010
  • Status: Abandoned Application
First Claim
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1. A mobile communication device, comprising:

  • a wireless module, arranged for performing wireless transmission and reception to and from a service network; and

    a controller module, arranged for receiving a first ciphered data packet from the service network via the wireless module, deciphering the first ciphered data packet according to a first ciphering-deciphering parameter, and deciphering the first ciphered data packet according to a second ciphering-deciphering parameter in response to unsuccessful deciphering of the first ciphered data packet according to the first ciphering-deciphering parameter,wherein the second ciphering-deciphering parameter is for deciphering a second ciphered data packet received prior to the first ciphered data packet from the service network.

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