Abstract
Embodiments of the invention provide orthogonal Frequency Division Multiplexing-Space-time Block Codes (OFDM-STBC) mappings for code rate 1 2 and 4 codes for 4 Transmit Antennas. To overcome the innate weakness of known codes a new class of STBC codes is provided which is particularly suited for OFDM applications although other applications are also contemplated. Codes for STBC mappings in the time direction the frequency direction and a combined time frequency mapping for multiple antennas are provided. In OFDM applications these codes exploit the properties of OFDM and FEC codes to substantially maintain the advantages of Alamouti codes. Furthermore while the detailed examples given herein focus on four antenna applications they can be easily extended to systems with more than four antennas.
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| 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | No | Family Member | ||||
| 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
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| 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
| 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC | No | Family Member | ||||
| 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
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No | Family Member | |||
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| EP1730856A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
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Yes | Family Member | |||
| EP1730856A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
| EP1730856A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC | No | Family Member | ||||
| EP1730856A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC | No | Family Member | ||||
| EP1730856A1 | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | No | Family Member | ||||
| EP1730856A1 | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | Yes | Family Member | ||||
| EP1730856A4 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
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| EP1730856A4 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
| EP1730856A4 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC | No | Family Member | ||||
| EP1730856A4 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC | No | Family Member | ||||
| EP1730856A4 | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | No | Family Member | ||||
| EP1730856A4 | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | Yes | Family Member | ||||
| US2007183527A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
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No | Family Member | |||
| US2007183527A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
| US2007183527A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC | No | Family Member | ||||
| US2007183527A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC | No | Family Member | ||||
| US2007183527A1 | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | No | Family Member | ||||
| US9450664B2 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
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No | Family Member | |||
| US9450664B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
| US9450664B2 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC | No | Family Member | ||||
| US9450664B2 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC | No | Family Member | ||||
| US9450664B2 | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | No | Family Member | ||||
| CN103297204A | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC | No | Family Member | ||||
| CN103297204A | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
| CN103297204A | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC | No | Family Member | ||||
| CN103297204A | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC | No | Family Member | ||||
| CN103297204A | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | No | Family Member | ||||
| CN103297204B | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC | No | Family Member | ||||
| CN103297204B | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
| CN103297204B | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC | No | Family Member | ||||
| CN103297204B | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC | No | Family Member | ||||
| CN103297204B | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | No | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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