Cellular system with link diversity feedback
First Claim
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1. A network comprising:
- a plurality of base stations;
a network controller coupled to the plurality of base stations; and
a mobile station to receive an over-the-air signal and allow diversity methods to be employed with diversity combining done at a receiver of the mobile station, where a feedback command signal from the mobile station requests an increase or decrease of diversity quantity in the over-the-air signal.
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Abstract
A communication system has base stations, a network controller and mobile stations. Over-the-air signal structures allow diversity methods to be employed with diversity combining done at a receiver of one of the mobile stations. A feedback mechanism reports base-to-mobile channel information including the diversity state back to the network to control the efficiency of the mobile.
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Citations
22 Claims
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1. A network comprising:
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a plurality of base stations;
a network controller coupled to the plurality of base stations; and
a mobile station to receive an over-the-air signal and allow diversity methods to be employed with diversity combining done at a receiver of the mobile station, where a feedback command signal from the mobile station requests an increase or decrease of diversity quantity in the over-the-air signal. - View Dependent Claims (2, 3, 4)
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5. A network having base stations, a network controller coupled to the base stations and a plurality of mobile stations, the network comprising:
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a receiver of one of the plurality of mobile stations to receive an over-the-air signal, where the receiver allows diversity methods to be employed with diversity combining; and
a feedback signal that reports diversity information of a base-to-mobile channel and diversity combining capabilities of the receiver. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
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13. A communications network, comprising:
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a plurality of base stations in the communications network;
a network controller coupled to the plurality of base stations; and
a mobile in the communications network to make diversity measurements based on channel conditions and interference of signals received from the plurality of base stations, wherein information about the diversity measurements is supplied to the network controller to control diversity in a selected base station in the communications network. - View Dependent Claims (14, 15, 16)
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17. A method, comprising:
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continuously tracking channel information in an over-the-air signal to dynamically generate diversity information in a mobile; and
supplying the diversity information in a feedback command signal to a network to increase or decrease diversity quantity in the over-the-air signal. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification