Abstract
A communication method performed by a base station in a wireless communication network is disclosed. The base station notifies a terminal of a cyclic shift increment NCS configuration information indicating an NCS value. The base station then receives from the terminal a random access preamble related to the NCS value indicated by the NCS configuration information. The NCS value belongs to a set of cyclic shift increments including all of the following cyclic shift increments of 0, 13, 15, 18, 22, 26, 32, 38, 46, 59, 76, 93, 119, 167, 279, and 419.
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| US2010074372A1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| US2010074372A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| US2010074372A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI | Yes | Basis Patent | ||||
| US2010074372A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| US2010074372A1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| US2010074372A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| US8599974B2 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| US8599974B2 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| US8599974B2 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI | Yes | Basis Patent | ||||
| US8599974B2 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| US8599974B2 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| US8599974B2 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| EP2120379A1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| EP2120379A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| EP2120379A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI | Yes | Basis Patent | ||||
| EP2120379A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| EP2120379A1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| EP2120379A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | Yes | Basis Patent | ||||
| EP2120379A4 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| EP2120379A4 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| EP2120379A4 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI | Yes | Basis Patent | ||||
| EP2120379A4 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| EP2120379A4 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| EP2120379A4 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | Yes | Basis Patent | ||||
| EP2120379B1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| EP2120379B1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| EP2120379B1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI | Yes | Basis Patent | ||||
| EP2120379B1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| EP2120379B1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| EP2120379B1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | Yes | Basis Patent | ||||
| CN101299620A | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| CN101299620A | 5G | 18/06/2020 | ISLD-202006-034 | HUAWEI |
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| CN101299620A | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| AU2008247204A1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| AU2008247204A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| AU2008247204A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| AU2008247204A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| AU2008247204B2 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| AU2008247204B2 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| AU2008247204B2 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| AU2008247204B2 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| AU2011201802A1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| AU2011201802A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| AU2011201802A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| AU2011201802A1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| AU2011201802A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| AU2011201802B2 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
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| AU2011201802B2 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| AU2011201802B2 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| CA2682904A1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| CA2682904A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| CA2682904A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| CA2682904A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| CA2682904C | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| CA2682904C | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| CA2682904C | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| CA2682904C | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| CN101542953B | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| CN101542953B | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| CN101542953B | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| WO2008134957A1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| WO2008134957A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| WO2008134957A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI | Yes | Basis Patent | ||||
| WO2008134957A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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Yes | Family Member | |||
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| US2012051292A1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| US2012051292A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| US2012051292A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| US2012051292A1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| US2012051292A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| US8416892B2 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| US8416892B2 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| US8416892B2 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| US8416892B2 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| US8416892B2 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| JP2010525694A | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| JP2010525694A | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| JP2010525694A | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| JP4927992B2 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| JP4927992B2 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| JP4927992B2 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| JP4927992B2 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| JP4927992B2 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
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| JP2012142955A | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| JP2012142955A | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| JP2012142955A | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| JP2012142955A | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| JP5358701B2 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| JP5358701B2 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| JP5358701B2 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| JP5358701B2 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Family Member | |||
| JP5358701B2 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| CN101542953A | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| CN101542953A | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | Yes | Basis Patent | ||||
| CN101542953A | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| CN101542953A | 5G | 18/06/2020 | ISLD-202006-034 | HUAWEI |
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Yes | Family Member | |||
| CN101542953A | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| BRPI0810907A2 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| BRPI0810907A2 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| BRPI0810907A2 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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| BRPI0810907A2 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| BRPI0810907B1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| BRPI0810907B1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| BRPI0810907B1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Family Member | |||
| BRPI0810907B1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| ES2523671T3 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| ES2523671T3 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| ES2523671T3 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Family Member | |||
| ES2523671T3 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| US2014036831A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| US2014036831A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| US2014036831A1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Family Member | |||
| US2014036831A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| US8913696B2 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| US8913696B2 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| US8913696B2 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Family Member | |||
| US8913696B2 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| US2015085810A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| US2015085810A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| US2015085810A1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Basis Patent | |||
| US2015085810A1 | 5G | 18/06/2020 | ISLD-202006-034 | HUAWEI |
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Yes | Family Member | |||
| US2015085810A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| BR122015006261B1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| BR122015006261B1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| BR122015006261B1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Family Member | |||
| BR122015006261B1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| CA2893770A1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| CA2893770A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| CA2893770A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| CA2893770A1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Family Member | |||
| CA2893770A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| CA2893770C | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| CA2893770C | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| CA2893770C | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| CA2893770C | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Family Member | |||
| CA2893770C | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| EP2698939A1 | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
| EP2698939A1 | 4G | 01/07/2010 | ISLD-201007-002 | HUAWEI | No | Family Member | ||||
| EP2698939A1 | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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No | Family Member | |||
| EP2698939A1 | 5G | 23/10/2018 | ISLD-201810-041 | HUAWEI |
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Yes | Family Member | |||
| EP2698939A1 | 4G | 25/06/2021 | ISLD-202106-041 | HUAWEI | No | Family Member | ||||
| JP2013251921A | 4G | 04/03/2009 | ISLD-200904-001 | HUAWEI | No | Family Member | ||||
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| JP2013251921A | 4G | 07/07/2010 | ISLD-201007-004 | HUAWEI |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
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Product
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Use Cases
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Claim
1. A communication method, comprising:
notifying, by a base station in a wireless communication network, a terminal of cyclic shift increment configuration information indicating a cyclic shift increment value NCS (NCS value), the NCS value belonging to a set of cyclic shift increments including non-zero cyclic shift increments NCS(k); and
receiving, by the base station from the terminal, a random access preamble related to the NCS value indicated by the cyclic shift increment configuration information; and
wherein NCS(k) satisfies following formula:
N CS(k)=?N ZC/[N pre(0)�a k +a/(1?a)�(a k?1)]?,k=0,1,2 . . . K;
wherein ?NZC/[Npre/(0)�ak+a/(1?a)�(ak?1)]? denotes a maximum integer not greater than NZC/[Npre(0)�ak+a/(1?a)�(ak?1)], [Npre (0)�ak+a/(1?a)�(ak?1)] denotes a nearest integer to Npre(0)�ak+a/(1?a)�(ak?1), Npre(0)=64, Nzc denotes a length of a Zadoff-Chu sequence corresponding to the random access preamble, and K=14; and
wherein a=0.856 or a satisfies following formula:
2
=
6
?
4
�
a
1
?
4
+
a
1
-
a
?
(
a
1
?
4
-
1
)
.
2. The communication method according to claim 1, wherein the set of cyclic shift increments further includes a NCS value of 0, and the NCS value of 0 in the set of cyclic shift increments indicates that one preamble sequence is generated from one root sequence.
3. The communication method according to claim 1, wherein the random access preamble belongs to a set of random access preambles.
4. The communication method according to claim 3, wherein the set of random access preambles is derived from at least one Zadoff-Chu sequence.
5. The communication method according to claim 4, wherein the at least one Zadoff-Chu sequence is used in generation of a sequence xu,v(k) for the set of random access preambles, and the sequence xu,v(k) is given by:
xu,v(k)=xu((k+vNCS) mod NZC), where u and v are integers, NZC is a length of the at least one Zadoff-Chu sequence, xu(k)=e?j?uk(k+1)/N ZC , k=0, 1, . . . , NZC?1, and j=?{square root over (?1)}.
6. The communication method according to claim 4, wherein random access preambles derived from a same Zadoff-Chu sequence in the set of random access preambles have zero correlation zones of a length NCS?1.
7. The communication method according to claim 3, wherein the set of random access preambles comprises 64 random access preambles.
8. A base station operable to communicate in a wireless communications network, the base station comprising:
a processor; and
a non-transitory computer readable storage medium storing programming for execution by the processor coupled to the storage medium, the programming including instructions that direct the base station to:
notify a terminal of cyclic shift increment configuration information indicating a cyclic shift increment value NCS (NCS value), the NCS value belonging to a set of cyclic shift increments including non-zero cyclic shift increments NCS(k); and
receive, from the terminal, a random access preamble related to the Ncs value indicated by the cyclic shift increment configuration information; and
wherein NCS(k) satisfies following formula:
N CS(k)=?N ZC/[N pre(0)�a k +a/(1?a)�(a k?1)]?,k=0,1,2 . . . K;
wherein ?NZC [Npre/(0)�ak+a/(1?a)�(ak?1)]? denotes a maximum integer not greater than NZC/[Npre(0)�ak+a/(1?a)�(ak?1)], [Npre(0)�ak+a/(1?a)�(ak?1)] denotes a nearest integer to Npre (0)�ak+a/(1?a)�(ak?1), Npre (0)=64, Nzc denotes a length of a Zadoff-Chu sequence corresponding to the random access preamble, and K=14; and
wherein a=0.856 or a satisfies following formula:
2
=
6
?
4
�
a
1
?
4
+
a
1
-
a
?
(
a
1
?
4
-
1
)
.
9. The base station according to claim 8, wherein the set of cyclic shift increments further includes a NCS value of 0, and the NCS value of 0 in the set of cyclic shift increments indicates that one preamble sequence is generated from one root sequence.
10. The base station according to claim 8, wherein the random access preamble belongs to a set of random access preambles.
11. The base station according to claim 10, wherein the set of random access preambles is derived from at least one Zadoff-Chu sequence.
12. The base station according to claim 11, wherein the at least one Zadoff-Chu sequence is used in generation of a sequence xu,v(k) for the set of random access preambles, and the sequence xu,v(k) is given by:
xu,v(k)=xu((k+vNCS) mod NZC), where u and v are integers, NZC is a length of the at least one Zadoff-Chu sequence, xu(k)=e?j?uk (k+1)/N ZC , k=0, 1, . . . , NZC?1, and j=?{square root over (?1)}.
13. The base station according to claim 11, wherein random access preambles derived from a same Zadoff-Chu sequence in the set of random access preambles have zero correlation zones of a length NCS?1.
14. The base station according to claim 10, wherein the set of random access preambles comprises 64 random access preambles.
15. A communication method, comprising:
receiving, by a terminal apparatus in a wireless communication network from a base station, cyclic shift increment configuration information indicating a cyclic shift increment value NCS (NCS value), the NCS value belonging to a set of cyclic shift increments including non-zero cyclic shift increments NCS(k); and
sending, by the terminal apparatus to the base station, a random access preamble related to the NCS value indicated by the cyclic shift increment configuration information; and
wherein NCS(k) satisfies following formula:
N CS(k)=?N Z/[N pre(0)�a k +a/(1?a)�(a k?1)]?,k=0,1,2 . . . K;
wherein ?NZC/[Npre (0)�ak+a/(1?a)�(ak?1)]? denotes a maximum integer not greater than ?NZC/[Npre(0)�ak+a/(1?a)�(ak?1)], [Npre(0)�ak+a/(1?a)�(ak?1)] denotes a nearest integer to Npre(0)�ak+a/(1?a)�(ak?1), Npre (0)=64, Nzc denotes a length of a Zadoff-Chu sequence corresponding to the random access preamble, and K=14; and
wherein a=0.856 or a satisfies following formula:
2
=
6
?
4
�
a
1
?
4
+
a
1
-
a
?
(
a
1
?
4
-
1
)
.
16. The communication method according to claim 15, wherein the set of cyclic shift increments further includes a NCS value of 0, and the NCS value of 0 in the set of cyclic shift increments indicates that one preamble sequence is generated from one root sequence.
17. The communication method according to claim 15, wherein the random access preamble belongs to a set of random access preambles.
18. The communication method according to claim 17, wherein the set of random access preambles is derived from at least one Zadoff-Chu sequence.
19. The communication method according to claim 18, wherein the at least one Zadoff-Chu sequence is used in generation of a sequence xu,v(k) for the set of random access preambles, and the sequence xu,v(k) is given by:
xu,v(k)=xu((k+vNCS) mod NZC), where u and v are integers, NZC is a length of the at least one Zadoff-Chu sequence, xu(k)=e?j?k(k+1)/N ZC , k=0, 1, . . . , NZC?1, and j=?{square root over (?1)}.
20. The communication method according to claim 18, wherein random access preambles derived from a same Zadoff-Chu sequence in the set of random access preambles have zero correlation zones of a length NCS?1.
21. The communication method according to claim 17, wherein the set of random access preambles comprises 64 random access preambles.
22. A terminal apparatus, comprising:
a processor; and
a non-transitory computer readable storage medium storing programming for execution by the processor coupled to the storage medium, the programming including instructions that direct the terminal apparatus to:
receive, from a base station, cyclic shift increment configuration information indicating a cyclic shift increment value NCS (NCS value), the NCS value belonging to a set of cyclic shift increments including non-zero cyclic shift increments NCS(k); and
send, to the base station, a random access preamble related to the NCS value indicated by the cyclic shift increment configuration information; and
wherein NCS(k) satisfies following formula:
N CS(k)=?N ZC/[N pre(0)�a k +a/(1?a)�(a k?1)]?,k=0,1,2 . . . K;
wherein ?NZC [Npre(0)�ak+a/(1?a)�(ak?1)]? denotes a maximum integer not greater than NZC [Npre(0)�ak+a/(1?a)�(ak?1)], [Npre (0)�ak+a/(1?a)�(ak?1)] denotes a nearest integer to Npre(0)�ak+a/(1?a)�(ak?1), Npre (0)=64, Nzc denotes a length of a Zadoff-Chu sequence corresponding to the random access preamble, and K=14; and
wherein a=0.856 or a satisfies following formula:
2
=
6
?
4
�
a
1
?
4
+
a
1
-
a
?
(
a
1
?
4
-
1
)
.
23. The terminal apparatus according to claim 22, wherein the set of cyclic shift increments further includes NCS value of 0, and the NCS value of 0 in the set of cyclic shift increments indicates that one preamble sequence is generated from one root sequence.
24. The terminal apparatus according to claim 22, wherein the random access preamble belongs to a set of random access preambles.
25. The terminal apparatus according to claim 24, wherein the set of random access preambles is derived from at least one Zadoff-Chu sequence.
26. The terminal apparatus according to claim 25, wherein the at least one Zadoff-Chu sequence is used in generation of a sequence xu,v(k) for the set of random access preambles, and the sequence xu,v(k) is given by:
xu,v(k)=xu((k+vNCS) mod NZC), where u and v are integers, NZC is a length of the at least one Zadoff-Chu sequence, xu(k)=e?j?uk(k+1)/N ZC , k=0, 1, . . . , NZC?1, and j=?{square root over (?1)}.
27. The terminal apparatus according to claim 25, wherein random access preambles derived from a same Zadoff-Chu sequence in the set of random access preambles have zero correlation zones of a length NCS?1.
28. The terminal apparatus according to claim 24, wherein the set of random access preambles comprises 64 random access preambles.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.
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