CONTENT DIFFERENTIATED HIERARCHICAL MODULATION USED IN RADIO FREQUENCY COMMUNICATIONS
First Claim
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1. A method for transmitting information to user equipment from a first of at least one base station comprising:
- transmitting first data using a first modulation layer of a first carrier radio frequency (RF) signal; and
transmitting second data using a second modulation layer of the first carrier RF signal during transmission of the first data,wherein the first and second modulation layers are hierarchical modulation layers of the carrier RF signal, and the first data comprises different content than the second data.
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Abstract
The present invention employs hierarchical modulation to simultaneously transmit data over different modulation layers using a carrier RF signal. Each modulation layer may be of a higher or lower order than the other modulation layers. Certain embodiments of the present invention may transmit different information on the different modulation layers. Other embodiments of the present invention may use the different layers for processing different information streams.
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Citations
39 Claims
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1. A method for transmitting information to user equipment from a first of at least one base station comprising:
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transmitting first data using a first modulation layer of a first carrier radio frequency (RF) signal; and transmitting second data using a second modulation layer of the first carrier RF signal during transmission of the first data, wherein the first and second modulation layers are hierarchical modulation layers of the carrier RF signal, and the first data comprises different content than the second data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A radio frequency (RF) communications system comprising:
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at least one communication interface; and
;a control system associated with the at least one communication interface and adapted to; transmit first data using a first modulation layer of a first carrier RF signal; and transmit second data using a second modulation layer of the first carrier RF signal during transmission of the first data; and user equipment (UE) adapted to receive the single carrier RF signal, wherein the first and second modulation layers are hierarchical modulation layers of the single carrier RF signal, and the first and second data are associated with different content.
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Specification