Method and system for improving performance in discovery stage of fast roaming
First Claim
1. A method comprising:
- receiving, from a client device by a first network device, a wireless signal corresponding to a request message on a first wireless communication channel, wherein the request message includes a first signal strength level;
deriving, by the first network device, a second signal strength level based at least on the first signal strength level, a transmit power level associated with the client device, and a transmit power level associated with the first network device; and
transmitting, by the first network device, a response message corresponding to the request message and addressed to the client device via a second network device on a second wireless communication channel or a wired communication channel, the response message comprising the second signal strength level.
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Abstract
The present disclosure discloses a method and digital device for improving performance in discovery stage of fast roaming. A disclosed digital device switches from a first wireless communication channel to a second wireless communication channel; transmits, on the second wireless communication channel, a request message comprising a designated field; and switches from the second wireless communication channel to the first wireless communication channel prior to receiving a response message corresponding to the request message on the second wireless communication channel. A network device receives the request message from a client device on the second wireless communication channel. The request message is associated with a first signal strength level. The network device determines that the request message includes a designated field; and transmits a response message to the client device via a different communication interface, such as a wired or wireless distribution system, or the client device'"'"'s data transmission channel.
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Citations
30 Claims
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1. A method comprising:
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receiving, from a client device by a first network device, a wireless signal corresponding to a request message on a first wireless communication channel, wherein the request message includes a first signal strength level; deriving, by the first network device, a second signal strength level based at least on the first signal strength level, a transmit power level associated with the client device, and a transmit power level associated with the first network device; and transmitting, by the first network device, a response message corresponding to the request message and addressed to the client device via a second network device on a second wireless communication channel or a wired communication channel, the response message comprising the second signal strength level. - View Dependent Claims (2, 3, 4)
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5. A method comprising:
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transmitting, by a digital device, a request message on a first communication channel, the request message being received by at least a first network device; switching, by the digital device, from the first communication channel to a second communication channel prior to receiving a response message corresponding to the request message; receiving, from a second network device by the digital device, the response message corresponding to the request message via one of the second communication channel and a third communication channel; and in response to the response message indicating support for a particular channel scanning protocol; retrieving, by the digital device, a first signal strength level from content of the response message; and deriving, by the digital device, a second signal strength level based at least on the first signal strength level, a transmit power level associated with the digital device, and a transmit power level associated with the second network device transmitting the response message. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A network device comprising:
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a processor; a memory; a receiving mechanism operating with the processor, the receiving mechanism receives a wireless signal corresponding to a request message from a client device on a first wireless communication channel, wherein the request message includes a first signal strength level; a signal deriving mechanism operating with the processor, the signal deriving mechanism derives a second signal strength level based at least on the first signal strength level, a transmit power level associated with the client device, and a transmit power level associated with the first network device; and a transmitting mechanism operating with the processor, the transmitting mechanism transmits a response message corresponding to the request message and addressed to the client device via a second network device on a second wireless communication channel or a wired communication channel, the response message comprising the second signal strength level. - View Dependent Claims (12, 13, 14)
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15. A digital device comprising:
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a processor; a memory; a transmitting mechanism operating with the processor, the transmitting mechanism to transmit a request message on a first wireless communication channel, the request message being received by at least a first network device; a switching mechanism operating with the processor, the switching mechanism to switch from the first wireless communication channel to a second wireless communication channel prior to receiving a response message corresponding to the request message; a receiving mechanism operating with the processor, the receiving mechanism to receive from a second network device the response message corresponding to the request message via the second wireless communication channel or a wired communication channel; a signal deriving mechanism operating with the processor, the signal deriving mechanism to retrieve a first signal strength level from content of the response message, wherein the signal deriving mechanism further to derive a second signal strength level based at least on the first signal strength level, a transmit power level associated with the digital device, and a s transmit power level associated with the second network device transmitting the response message in response to the response message indicating support for a particular channel scanning protocol. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A non-transitory computer-readable storage medium storing embedded instructions that are executed by one or more mechanisms implemented within a network device to perform a plurality of operations comprising:
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receiving, from a client device, a wireless signal corresponding to a request message on a first wireless communication channel, wherein the request message includes a first signal strength level; deriving a second signal strength level based at least on the first signal strength level, a transmit power level associated with the client device, and a transmit power level associated with the first network device; and transmitting a response message corresponding to the request message and addressed to the client device via a second network device on a second wireless communication channel or a wired communication channel, the response message comprising the second signal strength level. - View Dependent Claims (22, 23, 24)
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25. A non-transitory computer-readable storage medium storing embedded instructions that are executed by one or more mechanisms implemented within a digital device to perform a plurality of operations comprising:
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transmitting a request message on a first communication channel, the request message being received by at least a first network device; switching from the first communication channel to a second communication channel prior to receiving a response message corresponding to the request message; receiving, from a second network device, the response message corresponding to the request message via one of the second communication channel and a third communication channel; and in response to the response message indicating support for a particular channel scanning protocol; retrieving a first signal strength level from content of the response message; and deriving a second signal strength level based at least on the first signal strength level, a transmit power level associated with the digital device, and a transmit power level associated with the second network device transmitting the response message. - View Dependent Claims (26, 27, 28, 29, 30)
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Specification