Antenna method and apparatus
First Claim
1. A method for use with an antenna, comprising:
- within a digital processing platform;
providing a first payload signal that corresponds to energy received at a first part of the antenna;
providing a second payload signal that corresponds to energy received at a second part of the antenna, which second part is at least partially different from the first part of the antenna and wherein the second payload signal is at least partially cross-coupled with the first payload signal at least as a function of structure of the antenna;
substantially decoupling the first payload signal from the second payload signal.
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Accused Products
Abstract
A wireless communication unit provides (10) a first signal as received from a first portion (11) of a single antenna and provides (13) a second signal as received from a second portion of the antenna, which in a preferred embodiment can comprise a feedline (12). The two signals contain information that is cross-coupled with respect to one another as a function, at least in part, of the structure of the antenna. A digital processing platform (34) de-couples (17) these signals to permit recovery of the original payloads. In one embodiment similar approaches are used to facilitate cross-coupling of signals and transmission of such cross-coupled signals from different portions of a single antenna structure. In another embodiment, both transmission and reception are facilitated by a common platform.
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Citations
23 Claims
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1. A method for use with an antenna, comprising:
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within a digital processing platform; providing a first payload signal that corresponds to energy received at a first part of the antenna; providing a second payload signal that corresponds to energy received at a second part of the antenna, which second part is at least partially different from the first part of the antenna and wherein the second payload signal is at least partially cross-coupled with the first payload signal at least as a function of structure of the antenna; substantially decoupling the first payload signal from the second payload signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An apparatus comprising:
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an antenna having at least two signal inputs/outputs; a digital processing platform having an input operably coupled to the at least two signal inputs/outputs, wherein the digital processing platform has at least a first mode of operation comprising; summing a first signal that corresponds to energy received at a first part of the antenna with a second signal that corresponds to energy received at a second part of the antenna, wherein the second part is at least partially different than the first part, to provide a summed signal; determining a difference between the first signal and the second signal to provide a difference signal. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A wireless communication device comprising:
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antenna means for at least one of receiving and transmitting a wireless signal; digital cross-coupled sum and difference means operably coupled to the antenna means for at least one of; summing a first signal that corresponds to energy received at a first part of the antenna means with a second signal that corresponds to energy received at a second part of the antenna means, wherein the second part is at least partially different than the first part, to provide a summed signal; determining a difference between the first signal and the second signal to provide a difference signal; and summing a first outgoing payload signal with a second outgoing payload signal to provide a summed signal and providing the summed signal to be transmitted from a first part of the antenna means; determining a difference between the first outgoing payload signal and the second outgoing payload signal to provide a difference signal to be transmitted from a second part of the antenna means, which second part is different from the first part.
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Specification