Low-Power Wireless Beaconing Network Supporting Proximal Formation, Separation and Reformation
First Claim
1. A wireless communication system comprising:
- a plurality of wireless devices, each wireless device including a radio, that together participate in a first wireless roaming network when within range of one another; and
at least two of the plurality of wireless devices, when moved out of range of the other of the plurality of wireless devices, automatically attempting to establish a second wireless roaming network to support communication between the at least two of the plurality of wireless devices.
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Abstract
A low power wireless communication (personal LAN) system includes a plurality of wireless devices with each wireless device including a radio transceiver. The radio transceiver may take the form of an insertable card that fits within a slot in the wireless device. The plurality of wireless devices establishes a wireless network with at least two of the plurality of wireless devices share beaconing responsibilities to coordinate operation of the wireless network. The beaconing responsibilities may be shared on a round robin basis or may be shared according to the operating characteristics of the wireless devices with some wireless devices assuming greater beaconing responsibilities than other of the wireless devices. One of the plurality of wireless devices may separate from the wireless network to become a separated wireless device. In such case, at least one of the wireless devices attempts to reestablish communications with the separated wireless device. Further, the separated wireless device may also attempt to reestablish communication with the wireless network. At least two of the wireless devices may separate from the wireless network to form an alternate wireless network separate from the wireless network. In such case, the at least two wireless devices of the alternate network may rejoin the wireless network after the separation. The wireless devices may establish the wireless network when proximate to one another and operating at a lower power level while continuing operation at a higher power level. The wireless devices establish the wireless network when in a first proximity to one another and continue to communicate while in a second proximity to one another.
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Citations
26 Claims
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1. A wireless communication system comprising:
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a plurality of wireless devices, each wireless device including a radio, that together participate in a first wireless roaming network when within range of one another; and
at least two of the plurality of wireless devices, when moved out of range of the other of the plurality of wireless devices, automatically attempting to establish a second wireless roaming network to support communication between the at least two of the plurality of wireless devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A wireless communication system using frequency hopping protocol that uses a plurality of frequencies, the wireless communication system comprising:
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a plurality of wireless devices, each wireless device including a wireless transceiver that uses each of the plurality of frequencies to communicate according to the frequency hopping protocol;
at least one of the plurality of wireless devices attempting to establish communication with one other of the plurality of wireless devices using a first subset of the plurality of frequencies;
the one other of the plurality of wireless devices using a second subset of the plurality of frequencies to facilitate the establishment of communication with the first of the plurality of wireless devices; and
each of the plurality of wireless devices that have established communication utilizing each of the plurality of frequencies to maintain communication. - View Dependent Claims (19, 20, 21, 22)
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23. A wireless communication system using frequency hopping protocol that uses a plurality of frequencies, the wireless communication system comprising:
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a plurality of wireless devices, each wireless device including a wireless transceiver that uses each of the plurality of frequencies to communicate according to the frequency hopping protocol;
a first of the plurality of wireless devices attempting to establish communication with a second of the plurality of wireless devices by sequentially transmitting on a first subset of the plurality of frequencies;
the second of the plurality of wireless devices attempting to receive on a second subset of the plurality of frequencies to facilitate the establishment of communication with the first of the plurality of wireless devices; and
the first and second subsets of the plurality of frequencies each including at least one common frequency. - View Dependent Claims (24, 25, 26)
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Specification