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Reduced wireless context caching apparatus, systems, and methods

  • US 20070224986A1
  • Filed: 03/24/2006
  • Published: 09/27/2007
  • Est. Priority Date: 03/24/2006
  • Status: Active Grant
First Claim
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1. A context control module, including:

  • an uplink replay counter to track at least one packet sequence on an uplink;

    a downlink replay counter to track at least one packet sequence on a downlink; and

    an authentication key (AK) context cache coupled to both the uplink replay counter and the downlink replay counter to cache a subset of contents of at least one of the uplink replay counter or the downlink replay counter prior to performing a handoff at a mobile station (MS) from a first base station (BS) to a second BS, the cached subset of the contents of the at least one of the uplink replay counter or the downlink replay counter to be retrieved from the AK context cache upon performing a handoff of the MS back to the first BS.

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