Reduced wireless context caching apparatus, systems, and methods
First Claim
Patent Images
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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Abstract
Embodiments of replay counter cache reduction mechanisms are described generally herein. Other embodiments may be described and claimed.
30 Citations
26 Claims
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1. A context control module, including:
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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. - View Dependent Claims (2, 3, 4, 5)
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6. A system, including:
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an omnidirectional antenna to facilitate communications with a first BS and a second BS; and
a context control module operatively coupled to the omnidirectional antenna, the context control module comprising;
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 a contents of at least one of the uplink replay counter or the downlink replay counter prior to handing off the MS from the first BS to the 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 a handoff of the MS back to the first BS. - View Dependent Claims (7, 8)
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9. A method, including:
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at a mobile station (MS) in a wireless packet-switched network, caching a subset of contents of a first replay counter associating a first base station (BS) with the MS prior to performing a handoff from the first BS to a second BS, wherein a subset of contents of a second replay counter associating the MS with the first BS is cached at the first BS; and
at the MS, upon performing a handoff from the second BS back to the first BS, retrieving the subset of the contents of the first replay counter, wherein the subset of the contents of the second replay counter associating the MS with the first BS and cached at the first BS is retrieved by the first BS. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An article including a machine-accessible medium having associated information, wherein the information, when accessed, results in a machine performing:
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at a mobile station (MS) in a wireless packet-switched network, caching a subset of contents of a first replay counter associating a first base station (BS) with the MS prior to performing a handoff from the first BS to a second BS, wherein a subset of contents of a second replay counter associating the MS with the first BS is cached at the first BS; and
at the MS, upon performing a handoff from the second BS back to the first BS, retrieving the subset of the contents of the first replay counter, wherein the subset of the contents of the second replay counter associating the MS with the first BS and cached at the first BS is retrieved by the first BS. - View Dependent Claims (23, 24, 25, 26)
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Specification