Clock synchronization among network stations
First Claim
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1. A system for communicating among stations in a network, the system comprising:
- a first station assigned to a first level in the network;
a second station assigned to a second level and configured to receive a transmission from the first station; and
a third station assigned to a third level and configured to receive a transmission from the second station, wherein the third station is configured to synchronize a first timing information based on the transmission received from the second station, wherein synchronizing the first timing information comprises synchronizing a prediction of a periodic time reference based on a second timing information included in the transmission received from the second station.
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Abstract
Communicating among stations in a network includes providing repeated beacon transmissions from at least some of the stations including a first station. The first station is assigned to a first level. Any stations that can reliably receive transmissions from the first station are assigned to a second level. Any stations not assigned to any of the preceding levels that can reliably receive transmissions from the preceding level are assigned to each of one or more higher levels. Timing information at each station in a given level is synchronized according to transmissions received from at least one station in the preceding level.
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Citations
30 Claims
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1. A system for communicating among stations in a network, the system comprising:
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a first station assigned to a first level in the network; a second station assigned to a second level and configured to receive a transmission from the first station; and a third station assigned to a third level and configured to receive a transmission from the second station, wherein the third station is configured to synchronize a first timing information based on the transmission received from the second station, wherein synchronizing the first timing information comprises synchronizing a prediction of a periodic time reference based on a second timing information included in the transmission received from the second station. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A first station for communicating in a network, the first station comprising:
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a transmitter configured to transmit a beacon in the network; and a receiver assigned to a first level in the network, the receiver configured to; receive a transmission from a second station in a preceding level, and synchronize a first timing information according to the transmission received from the second station in the preceding level, wherein synchronizing the first timing information comprises synchronizing a prediction of a periodic time reference based on a second timing information included in the transmission received from the second station. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method performed by a first station for communicating in a network, the first station assigned to a first level in the network, the method comprising:
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receiving, at the first station, a transmission from a second station in a preceding level in the network; and synchronizing a first timing information based on the transmission received from the second station in the preceding level, wherein synchronizing the first timing information includes synchronizing a prediction of a periodic time reference based on a second timing information included in the transmission received from the second station. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification