Abstract
A wireless communication system noncollaborative multiple input multiple output (MIMO) space division multiple access (SDMA) system determines subscriber station combining and weighting vectors that yield a high average signal-to-interference plus noise ratio (SINR). Each subscriber station independently transmits information to a base station that allows the base station to determine a weight vector w i for each subscriber station using the determined combining vector of the subscriber station. The ith combining vector corresponds to a right singular vector corresponding to a maximum singular value of a channel matrix between a base station and the ith subscriber station. Each subscriber station transmits signals using a weight vector vi which corresponds to a left singular vector corresponding to a maximum singular value of a channel matrix between the ith subscriber station and the base station. The base station uses the weight vector wi to determine the signal transmitted by the ith subscriber station.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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4G | 10/06/2010 | ISLD-201006-004 | FREESCALE SEMICONDUCTOR INC |
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Yes | Family Member | |||
4G | 11/11/2011 | ISLD-201111-006 | APPLE INC |
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No | Family Member | |||
4G | 11/11/2011 | ISLD-201111-006 | APPLE INC |
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Yes | Basis Patent | |||
4G | 31/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
4G | 31/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
4G | 28/10/2014 | ISLD-201410-033 | APPLE INC |
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No | Family Member | |||
4G | 28/11/2016 | ISLD-201703-106 | APPLE INC |
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No | Family Member | |||
4G | 28/11/2016 | ISLD-201703-106 | APPLE INC |
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Yes | Basis Patent |
Specification Information
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