Abstract
A multi-cell transmission diversity method and apparatus that is capable of forming two virtual antennas of each cell and producing orthogonality of the virtual antennas using an improved precoding technique in an OFDM-based cellular mobile communication system is provided for improving transmission diversity gain with coherent combination of the orthogonal signals at the receiver. A multi-cell transmission diversity transmission method of a transmitter according to the present invention includes generating a first signal stream and a second signal stream by performing transmission diversity encoding on a user data; multiplexing and precoding the first signal stream and a first dedicated reference signal into a first diversity signal; multiplexing and precoding the second signal stream and a second dedicated reference signal a second diversity signal; and transmitting the first and second diversity signals simultaneously wherein the first dedicated reference signal and the second dedicated reference signal are user-specific reference signal signals.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 08/09/2010 | ISLD-201009-009 | SAMSUNG | No | Family Member | ||||
| 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
| All Granted Patents In Patent Family : | ---- |
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||
| KR20100099902A | 4G | 08/09/2010 | ISLD-201009-009 | SAMSUNG | Yes | Basis Patent | ||||
| KR20100099902A | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
| WO2010101404A2 | 4G | 08/09/2010 | ISLD-201009-009 | SAMSUNG | No | Family Member | ||||
| WO2010101404A2 | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | No | Family Member | ||||
| US2011317582A1 | 4G | 08/09/2010 | ISLD-201009-009 | SAMSUNG | No | Family Member | ||||
| US2011317582A1 | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | Yes | Basis Patent | ||||
| US8675564B2 | 4G | 08/09/2010 | ISLD-201009-009 | SAMSUNG | No | Family Member | ||||
| US8675564B2 | 5G | 26/04/2018 | ISLD-201804-022 | SAMSUNG | Yes | Basis Patent | ||||
| KR101547561B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
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Technologies
Resource configuration Coordinated Multi-point (CoMP)
Product
User Equipment (UE/Terminal)Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Transmitting/receiving data in downlink
Claim
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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.