Abstract
Disclosed is an apparatus and method for transmitting the synchronization signal in an Orthogonal Frequency Division Multiplexing (OFDM) based cellular system. The cell search process widely used in the OFDM based cellular system is divided into two steps for obtaining the frame timing synchronization and obtaining the cell-specific scrambling code. When designing the channel for obtaining the frame timing synchronization and the channel for obtaining the cell-specific scrambling code different frequency reuse factors are applied to the synchronization channels of different steps according to the characteristics of each synchronization obtainment step in order to improve the performance of each step.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 21/09/2009 | ISLD-200909-012 | SAMSUNG | Yes | Basis Patent | ||||
| 4G | 14/08/2013 | ISLD-201308-002 | SAMSUNG | No | Family Member | ||||
| 4G | 23/03/2015 | ISLD-201503-006 | SAMSUNG | No | Family Member | ||||
| 4G | 27/06/2017 | ISLD-201710-001 | UNWIRED PLANET LLC | Yes | Basis Patent | ||||
Specification Information
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| US2009219883A1 | 4G | 21/09/2009 | ISLD-200909-012 | SAMSUNG | Yes | Basis Patent | ||||
| US2009219883A1 | 4G | 14/08/2013 | ISLD-201308-002 | SAMSUNG | No | Family Member | ||||
| US2009219883A1 | 4G | 23/03/2015 | ISLD-201503-006 | SAMSUNG | No | Family Member | ||||
| US2009219883A1 | 4G | 27/06/2017 | ISLD-201710-001 | UNWIRED PLANET LLC | Yes | Basis Patent | ||||
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| KR100827064B1 | 4G | 23/03/2015 | ISLD-201503-006 | SAMSUNG | No | Family Member | ||||
| KR100827064B1 | 4G | 27/06/2017 | ISLD-201710-001 | UNWIRED PLANET LLC | Yes | Family Member | ||||
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| KR20070076248A | 4G | 23/03/2015 | ISLD-201503-006 | SAMSUNG | No | Family Member | ||||
| KR20070076248A | 4G | 27/06/2017 | ISLD-201710-001 | UNWIRED PLANET LLC | Yes | Family Member | ||||
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| WO2007083912A1 | 4G | 23/03/2015 | ISLD-201503-006 | SAMSUNG | No | Family Member | ||||
| WO2007083912A1 | 4G | 27/06/2017 | ISLD-201710-001 | UNWIRED PLANET LLC | Yes | Family Member | ||||
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| US2012188977A1 | 4G | 23/03/2015 | ISLD-201503-006 | SAMSUNG | No | Family Member | ||||
| US2012188977A1 | 4G | 27/06/2017 | ISLD-201710-001 | UNWIRED PLANET LLC | Yes | Family Member | ||||
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| US8873488B2 | 4G | 14/08/2013 | ISLD-201308-002 | SAMSUNG | Yes | Basis Patent | ||||
| US8873488B2 | 4G | 23/03/2015 | ISLD-201503-006 | SAMSUNG | No | Family Member | ||||
| US8873488B2 | 4G | 27/06/2017 | ISLD-201710-001 | UNWIRED PLANET LLC | Yes | Family Member | ||||
| US2015043694A1 | 4G | 21/09/2009 | ISLD-200909-012 | SAMSUNG | No | Family Member | ||||
| US2015043694A1 | 4G | 23/03/2015 | ISLD-201503-006 | SAMSUNG | Yes | Basis Patent | ||||
| US2015043694A1 | 4G | 27/06/2017 | ISLD-201710-001 | UNWIRED PLANET LLC | Yes | Family Member | ||||
| US9232486B2 | 4G | 21/09/2009 | ISLD-200909-012 | SAMSUNG | No | Family Member | ||||
| US9232486B2 | 4G | 23/03/2015 | ISLD-201503-006 | SAMSUNG | Yes | Basis Patent | ||||
| US9232486B2 | 4G | 27/06/2017 | ISLD-201710-001 | UNWIRED PLANET LLC | Yes | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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