LTE-WLAN Traffic Offloading Enhancement Using Extended BSS Load Element
First Claim
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1. A device configured to selectively route mobile device traffic to a wireless local area network (WLAN), comprising:
- a cellular wide area network (WAN) transceiver for communicating with a cellular WAN;
a WLAN transceiver for communicating with a WLAN;
a processor; and
a memory element coupled with and readable by the processor and having stored therein processor-readable instructions that when executed by the processor, cause the processor to perform operations comprising;
receiving a measurement control message from the cellular WAN, wherein the measurement control message identifies a target WLAN;
identifying wireless spectrum utilization for the target WLAN; and
determining that traffic of a mobile device is to be routed to the target WLAN based on the identified wireless spectrum utilization.
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Abstract
Systems, methods, devices, and computer-program products according to the specification and drawings, whereby an estimate of spectrum utilization or availability to a wireless local area network may be obtained by observing or obtaining a channel utilization related element, such as an Extended BSS load element. Upon determining spectrum utilization or availability, this information is useful for deciding whether or not to offload mobile device traffic from a cellular network to the wireless local area network.
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Citations
22 Claims
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1. A device configured to selectively route mobile device traffic to a wireless local area network (WLAN), comprising:
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a cellular wide area network (WAN) transceiver for communicating with a cellular WAN; a WLAN transceiver for communicating with a WLAN; a processor; and a memory element coupled with and readable by the processor and having stored therein processor-readable instructions that when executed by the processor, cause the processor to perform operations comprising; receiving a measurement control message from the cellular WAN, wherein the measurement control message identifies a target WLAN; identifying wireless spectrum utilization for the target WLAN; and determining that traffic of a mobile device is to be routed to the target WLAN based on the identified wireless spectrum utilization. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for selectively routing mobile device traffic to a wireless local area network (WLAN), comprising:
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receiving a measurement control message from a cellular wide area network (WAN), wherein the measurement control message identifies a target WLAN; identifying wireless spectrum utilization for the target WLAN; and determining that traffic of a mobile device is to be routed to the target WLAN based on the identified wireless spectrum utilization.
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22. A non-transitory computer-readable medium having stored therein processor-readable instructions that, when executed by a processor, cause the processor to perform operations comprising:
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receiving a measurement control message from a cellular wide area network (WAN), wherein the measurement control message identifies a target wireless local area network (WLAN); identifying wireless spectrum utilization for the target WLAN; and determining that traffic of a mobile device is to be routed to the target WLAN based on the identified wireless spectrum utilization.
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Specification