Abstract
Transmission of random access preamble structures within a cellular wireless network is based on the use of cyclic shifted constant amplitude zero autocorrelation ("CAZAC") sequences to generate the random access preamble signal. A pre-defined set of sequences is arranged in a specific order. Within the predefined set of sequences is an ordered group of sequences that is a proper subset of the pre-defined set of sequences. Within a given cell, up to 64 sequences may need to be signaled. In order to minimize the associated overhead due to signaling multiple sequences, only one logical index is transmitted by a base station serving the cell and a user equipment within the cell derives the subsequent indexes according to the pre-defined ordering. Each sequence has a unique logical index. The ordering of sequences is identified by the logical indexes of the sequences, with each logical index uniquely mapped to a generating index. When a UE needs to transmit, it produces a second sequence using the received indication of the logical index of the first sequence and an auxiliary value and then produces a transmission signal by modulating the second sequence. The auxiliary value is selected from one of two sets based on a set indicator broadcast by the eNB
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
| Not Available | 07/12/2011 | ISLD-201112-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| Not Available | 07/12/2011 | ISLD-201112-002 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
| 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
| 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
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| 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP | Yes | Basis Patent | ||||
| 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC |
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No | Family Member | |||
Specification Information
Specification Information
Technologies
Family Information
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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 | |||||||
| EP2193613A1 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC |
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No | Family Member | |||
| EP2193613A1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
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No | Family Member | |||
| EP2193613A1 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| EP2193613A1 | Not Available | 07/12/2011 | ISLD-201112-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| EP2193613A1 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
| EP2193613A1 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| EP2193613A4 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC |
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No | Family Member | |||
| EP2193613A4 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
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No | Family Member | |||
| EP2193613A4 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| EP2193613A4 | Not Available | 07/12/2011 | ISLD-201112-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| EP2193613A4 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
| EP2193613A4 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| WO2009039224A1 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC |
S1
S2
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No | Family Member | |||
| WO2009039224A1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
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No | Family Member | |||
| WO2009039224A1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP | Yes | Family Member | ||||
| WO2009039224A1 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| WO2009039224A1 | Not Available | 07/12/2011 | ISLD-201112-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| WO2009039224A1 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
| WO2009039224A1 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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