Preamble Offset for Femto Base Stations
First Claim
1. A method comprising:
- receiving, by a first femto base station via a femto base station air interface, at least one neighbor preamble from at least one neighbor femto base station;
sending, by the first femto base station to a macro base station via a guided Internet connection, an interference report, the interference report being based at least in part on the at least one neighbor preamble received from the at least one neighbor femto base station;
receiving, by the first femto base station from the macro base station via the guided Internet connection, a resource allocation message; and
sending, by the first femto base station via the femto base station air interface, a first femto base station preamble, the first femto base station preamble being sent at a time determined at least in part by the resource allocation message.
2 Assignments
0 Petitions
Accused Products
Abstract
According to one example embodiment, a method may include receiving, by a first femto base station via a femto base station air interface, at least one neighbor preamble from at least one neighbor femto base station. The method may further include sending, by the first femto base station to a macro base station via a guided (DSL) Internet connection, an interference report, the interference report being based at least in part on the at least one neighbor preamble received from the at least one neighbor femto base station. The method may further include receiving, by the first femto base station from the macro base station via the guided Internet connection, a resource allocation message. The method may further include sending, by the first femto base station via the femto base station air interface, a first femto base station preamble, the first femto base station preamble being sent at a time determined at least in part by the resource allocation message.
36 Citations
34 Claims
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1. A method comprising:
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receiving, by a first femto base station via a femto base station air interface, at least one neighbor preamble from at least one neighbor femto base station; sending, by the first femto base station to a macro base station via a guided Internet connection, an interference report, the interference report being based at least in part on the at least one neighbor preamble received from the at least one neighbor femto base station; receiving, by the first femto base station from the macro base station via the guided Internet connection, a resource allocation message; and sending, by the first femto base station via the femto base station air interface, a first femto base station preamble, the first femto base station preamble being sent at a time determined at least in part by the resource allocation message. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method comprising:
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receiving, by a macro base station from each of a plurality of femto base stations via a guided Internet connection, an interference report, the interference report indicating received signal strengths of femto base station preambles received from neighboring femto base stations; determining, based on the interference reports received from each of the plurality of femto base stations, that the plurality of femto base stations exceed a threshold interference level; and sending, by the macro base station to each of at least two of the plurality of femto base stations via the guided Internet connection, a resource allocation message, the resource allocation message being based at least in part on the determination that the plurality of femto base stations exceed the threshold interference level and indicating when each of the plurality of femto base stations should send their respective femto base station preambles. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. (canceled)
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21. An apparatus comprising:
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a guided transceiver configured to communicate with a macro base station via a guided Internet connection; an unguided transceiver configured to communicate with a plurality of mobile stations via an air interface; and a controller configured to; process at least one neighbor preamble which was received from at least one neighbor femto base station via the air interface of the unguided transceiver; generate, based at least in part on the at least one neighbor preamble received from the at least one neighbor femto base station, an interference report to send to the macro base station via the guided transceiver; process a resource allocation message received from the macro base station via the guided transceiver; and generate a first femto base station preamble for the unguided transceiver to send at a time determined at least in part by the resource allocation message.
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22-32. -32. (canceled)
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33. An apparatus comprising:
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a guided transceiver configured to communicate with a plurality of femto base stations via a guided Internet connection; an unguided transceiver configured to communicate with a plurality of mobile stations via an air interface; and a controller configured to; process interference reports received from the plurality of femto base stations via the guided transceiver, the interference reports indicating received signal strengths of femto base station preambles received from neighboring femto base stations; determine, based on the interference reports received from each of the plurality of femto base stations, that the plurality of femto base stations exceed a threshold interference level; and generate a resource allocation message for the guided transceiver to send to each of the plurality of femto base stations via the guided transceiver, the resource allocation message being based at least in part on the determination that the plurality of femto base stations exceed the threshold interference level and indicating when each of the plurality of femto base stations should send their respective femto base station preambles.
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34-60. -60. (canceled)
Specification