Abstract
Method and apparatus for determining a downlink channel response in an orthogonal frequency division multiplexing access (OFDMA) system. The method and apparatus uses the uplink quality indication channel for determining the downlink channel response or uses round trip pilot relay channel sounding. The uplink quality indication channel may comprise modified mini-tiles. The subscriber station using round trip pilot relay channel sounding sends composite transponder pilots after receiving the DL pilots.
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| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
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| 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
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| 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
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| 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
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| 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| WO2006034577A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
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| WO2006034577A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
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No | Family Member | |||
| WO2006034577A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
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No | Family Member | |||
| WO2006034577A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
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No | Family Member | |||
| WO2006034577A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
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No | Family Member | |||
| US2008095223A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
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No | Family Member | |||
| US2008095223A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
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S2
|
No | Family Member | |||
| US2008095223A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
| US2008095223A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
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S3
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No | Family Member | |||
| US2008095223A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
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No | Family Member | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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