Abstract
The present invention provides a method and apparatus for transmitting a dedicated reference signal (DRS), wherein a method is provided wherein terminals (UEs) participating in a multi-user multiple input / output (MU-MIMO) And if so, setting the terminals to employ a cell-by-cell scrambling code sequence; Otherwise setting up terminals in cells belonging to the same cell group to adopt a cell group-by-cell scrambling code sequence; And transmitting, by the base station, the configuration information to the terminal and the DRS to the terminal using the scrambling code string set for the terminal; The initialization code of the cell-by-cell scrambling code sequence is determined according to the identity of the cell in which the terminal is located; The initialization code of the cell group-by-cell scrambling code sequence is determined according to the identity of the cell group. According to the present invention, a terminal can suppress DRS interference between different cells when receiving DRS, and can improve the accuracy of channel estimation.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 11/05/2017 | ISLD-201704-013 | SAMSUNG | No | Family Member | ||||
| 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||
| US2011103250A1 | 4G | 11/05/2017 | ISLD-201704-013 | SAMSUNG | Yes | Basis Patent | ||||
| US2011103250A1 | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | Yes | Basis Patent | ||||
| US8804549B2 | 4G | 11/05/2017 | ISLD-201704-013 | SAMSUNG | Yes | Basis Patent | ||||
| US8804549B2 | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | Yes | Basis Patent | ||||
| CN102056309A | 4G | 11/05/2017 | ISLD-201704-013 | SAMSUNG | No | Family Member | ||||
| CN102056309A | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
| EP2497197A2 | 4G | 11/05/2017 | ISLD-201704-013 | SAMSUNG | No | Family Member | ||||
| EP2497197A2 | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
| EP2497197A4 | 4G | 11/05/2017 | ISLD-201704-013 | SAMSUNG | No | Family Member | ||||
| EP2497197A4 | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
| KR20120113700A | 4G | 11/05/2017 | ISLD-201704-013 | SAMSUNG | No | Family Member | ||||
| KR20120113700A | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
| WO2011053073A2 | 4G | 11/05/2017 | ISLD-201704-013 | SAMSUNG | No | Family Member | ||||
| WO2011053073A2 | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
| WO2011053073A3 | 4G | 11/05/2017 | ISLD-201704-013 | SAMSUNG | No | Family Member | ||||
| WO2011053073A3 | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
| EP2497197B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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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.
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