Abstract
A synchronization method according to the present invention for terminal-to-terminal direct communication in a TDMA mobile communication system includes detecting signals transmitted from peripheral transmitters in accordance with transmission timing for normal communication involving a base station; Selecting a signal having the strongest output among the detected signals as the strongest interference signal; Detecting a first signal transmitted according to a transmission timing for the normal communication from a transmitter for terminal to terminal direct communication; Comparing the first arrival time of the first signal with the second arrival time of the strongest interference signal; Obtaining an adjustment control command for causing the transmitter to adjust the transmission timing of the first signal based on a result of the comparison of the first and second arrival times, and feeding back the adjustment control command to the transmitter. This invention solves the synchronization problem of direct communication in a TDD mobile communication system.
TDD mobile communication system, direct communication, terminal, base station, transmitter, receiver, uplink (downlink) time slot, interference signal, coordination control command
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| 4G,3G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| 5G | 25/05/2020 | ISLD-202005-049 | SAMSUNG |
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Specification Information
Specification Information
Technologies
Family Information
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| All Pending Patents In Patent Family : | ---- |
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| EP1593211A1 | 4G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | Yes | Basis Patent | ||||
| EP1593211A1 | 4G,3G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | Yes | Basis Patent | ||||
| EP1593211A1 | 5G | 25/05/2020 | ISLD-202005-049 | SAMSUNG |
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Yes | Family Member | |||
| EP1593211A4 | 4G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | Yes | Basis Patent | ||||
| EP1593211A4 | 4G,3G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | Yes | Basis Patent | ||||
| EP1593211A4 | 5G | 25/05/2020 | ISLD-202005-049 | SAMSUNG |
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Yes | Family Member | |||
| EP1593211B1 | 4G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | Yes | Basis Patent | ||||
| EP1593211B1 | 4G,3G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | Yes | Basis Patent | ||||
| EP1593211B1 | 5G | 25/05/2020 | ISLD-202005-049 | SAMSUNG |
S1
S2
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Yes | Family Member | |||
| CN1521967A | 4G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| CN1521967A | 4G,3G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| CN1521967A | 5G | 25/05/2020 | ISLD-202005-049 | SAMSUNG |
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Yes | Family Member | |||
| KR20050096184A | 4G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| KR20050096184A | 4G,3G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| KR20050096184A | 5G | 25/05/2020 | ISLD-202005-049 | SAMSUNG |
S1
S2
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Yes | Family Member | |||
| US2006240854A1 | 4G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| US2006240854A1 | 4G,3G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| US2006240854A1 | 5G | 25/05/2020 | ISLD-202005-049 | SAMSUNG |
S1
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Yes | Basis Patent | |||
| US7466989B2 | 4G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| US7466989B2 | 4G,3G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| US7466989B2 | 5G | 25/05/2020 | ISLD-202005-049 | SAMSUNG |
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Yes | Basis Patent | |||
| WO2004073209A1 | 4G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| WO2004073209A1 | 4G,3G | 03/04/2018 | ISLD-201804-003 | SAMSUNG | No | Family Member | ||||
| WO2004073209A1 | 5G | 25/05/2020 | ISLD-202005-049 | SAMSUNG |
S1
S2
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Yes | Family Member | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Synchronization
Product
Use Cases
Wireless communication
Services
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
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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.
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.