Radio communications device with adaptive combination
First Claim
Patent Images
1. A radio communications device comprising (i) a plurality of antenna elements;
- and (ii) a combiner arranged to adaptively combine said antenna elements such that two or more directional antenna beams are provided which are diverse.
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Abstract
To reduce costs in multiple-input multiple-output (MIMO) and other wireless communication systems an arrangement is described whereby adaptive combination is used at user equipment in order to produce two or more directional antenna beams. Improvements in carrier to interference levels result.
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Citations
14 Claims
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1. A radio communications device comprising
(i) a plurality of antenna elements; - and
(ii) a combiner arranged to adaptively combine said antenna elements such that two or more directional antenna beams are provided which are diverse. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of operating a radio communications device comprising the steps of:
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(i) receiving radio signals at a plurality of antenna elements by;
(ii) using a combiner to adaptively combine the antenna elements such that they are operable in at least one direction to receive two or more diverse channels. - View Dependent Claims (12)
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13. A method of operating a radio communications device comprising the steps of:
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(i) transmitting radio signals from a plurality of antenna elements by;
(ii) using a combiner to adaptively combine the antenna elements such that they are operable in at least one direction to transmit two or more diverse channels. - View Dependent Claims (14)
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Specification