Abstract
A method for operating a base station in a wireless communication system in order to support a plurality of characteristics is provided. The method includes allocating resource periods for respective characteristics transmitting system information including information on the characteristics transmitting a reference signal with the characteristic corresponding to the relevant resource period through at least one of the resource periods and receiving feedback information determining channel qualities for all of the characteristics.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
5G | 02/05/2018 | ISLD-201805-012 | SAMSUNG | Yes | Basis Patent | ||||
5G | 03/05/2018 | ISLD-201805-014 | SAMSUNG | No | Family Member |
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US2013072247A1 | 5G | 02/05/2018 | ISLD-201805-012 | SAMSUNG | Yes | Basis Patent | ||||
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
System Information
Beamforming
Product
User Equipment (UE/Terminal)
Antenna
Use Cases
Services
Claim
1. A method for operating a base station in a wireless communication system, the method comprising:
transmitting system information related to characteristics of transmitting signals;
transmitting reference signals having the characteristics through one of a plurality of resource periods; and
receiving feedback information regarding channel qualities for the reference signals,
wherein each of the plurality of resource periods is respectively mapped with one of the characteristics, and
wherein the characteristics comprise at least one of a beam pattern, polarization characteristics, antenna structure, a wave strength, corresponding antenna structure and a beamwidth.
2. The method of claim 1, wherein the system information includes at least one of information indicating the characteristics to be operated by the base station, allocation information of the resource periods, information indicating a number of times of transmitting the reference signals, a transmission (TX) power value for each of the characteristics, a maximum TX antenna gain for each of the characteristics, information indicating a beam direction, and information for determining at least one of the listed items.
3. The method of claim 1, wherein the feedback information includes at least one of a Channel Quality Indicator (CQI) for each of the characteristics, a path loss for each of the characteristics, a preferred characteristic, a preferred beam direction, a CQI for each beam direction, and an interference amount.
4. The method of claim 3, wherein the feedback information is transmitted periodically, and feedback periods for respective items included in the feedback information are different from each other.
5. The method of claim 1, wherein the feedback information includes at least one of a Channel Quality Indicator (CQI) and an interference amount for one or more characteristics among the characteristics, an interference amount for the other characteristics, a preferred characteristic, and a preferred beam direction.
6. The method of claim 5, further comprising determining the CQI for each of the characteristics by using the CQI and the interference amount for the one or more characteristics and the interference amount for the other characteristics.
7. The method of claim 1, further comprising:
transmitting reference signals having different characteristics through another one of the plurality of the resource periods.
8. The method of claim 1, further comprising:
determining the characteristics to be applied to different types of channels.
9. The method of claim 8, wherein the determining of the characteristics to be applied to different types of channels comprises determining to apply a wide-beamwidth beam pattern to a channel for transmission of a signal that is to be received by a plurality of terminals.
10. The method of claim 1, further comprising:
determining the characteristics to be applied to at least one terminal by using the feedback information.
11. The method of claim 10, wherein the determining of the characteristics to be applied to at least one terminal comprises determining, if a link quality of a terminal is equal to or higher than a threshold value, to apply a wide-beamwidth beam pattern to the terminal.
12. The method of claim 10, wherein the determining of the characteristics to be applied to the at least one terminal comprises determining, if a terminal is in a Line-of-Sight (LoS) environment, to apply a characteristic different from a characteristic of at least one different terminal to the terminal.
13. The method of claim 10, further comprising:
changing the characteristics applied to the at least one terminal.
14. The method of claim 13, wherein the changing of the characteristics applied to the at least one terminal comprises changing, if a path loss of a terminal is lower than a threshold value, a beam pattern applied to the terminal into a beam pattern with a narrower beamwidth.
15. The method of claim 13, wherein the changing of the characteristics applied to the at least one terminal comprises changing, if a path loss of a terminal increases due to an obstacle, changing a beam direction of a beam pattern applied to the terminal.
16. The method of claim 13, wherein the changing of the characteristics applied to the at least one terminal comprises changing, if a path loss of a terminal increases due to an obstacle, changing a beam pattern applied to the terminal into a beam pattern with a wider beamwidth.
17. The method of claim 13, wherein the changing of the characteristics applied to the at least one terminal comprises changing, if a path loss of a terminal increases due to an increased distance from the base station, changing a beam pattern applied to the terminal into a beam pattern with a narrower beamwidth.
18. A method for operating a terminal in a wireless communication system, the method comprising:
receiving system information including information related to characteristics of transmitting signals from a base station;
receiving reference signals having the characteristics through one of a plurality of resource periods; and
transmitting feedback information regarding channel qualities for the reference signals,
wherein each of the plurality of resource periods is respectively mapped with one of the characteristics, and
wherein the characteristics comprise at least one of a beam pattern, polarization characteristics, antenna structure, a wave strength, corresponding antenna structure and a beamwidth.
19. The method of claim 18, wherein the system information includes at least one of information indicating characteristics to be operated by the base station, allocation information of the resource periods, information indicating a number of times of transmitting the reference signals, a transmission (TX) power value for each of the characteristics, a maximum TX antenna gain for each of the characteristics, information indicating a beam direction, and information for determining at least one of the listed items.
20. The method of claim 19, further comprising:
determining a TX power value for each of the characteristics through the system information; and
estimating a path loss for each of the characteristics by using the TX power value for each of the characteristics,
wherein the feedback information includes the path loss for each of the characteristics.
21. The method of claim 18, wherein the feedback information includes at least one of a Channel Quality Indicator (CQI) for each of the characteristics, a path loss for each characteristic of the characteristics, a preferred characteristic, a preferred beam direction, a CQI for each beam direction, and an interference amount.
22. The method of claim 21, wherein the feedback information is transmitted periodically, and feedback periods for respective items included in the feedback information are different from each other.
23. The method of claim 18, wherein the feedback information includes at least one of a Channel Quality Indicator (CQI) and an interference amount for one or more characteristics among the characteristics, an interference amount for the other characteristics, a preferred characteristic, and a preferred beam direction.
24. The method of claim 18, further comprising:
receiving reference signals having different characteristics through another one of the plurality of the resource period.
25. The method of claim 18, further comprising determining a preferred beam direction by using a received signal strength of the reference signal,
wherein the feedback information includes information indicating the preferred beam direction.
26. An apparatus of a base station in a wireless communication system, the apparatus comprising:
a transmitter configured to transmit system information related to characteristics of transmitting signals, and to transmit reference signals having the characteristics through one of a plurality of resource periods; and
a receiver configured to receive feedback information regarding channel qualities for the reference signals,
wherein each of the plurality of resource periods is respectively mapped with one of the characteristics, and
wherein the characteristics comprise at least one of a beam pattern, polarization characteristics, antenna structure, a wave strength, corresponding antenna structure and a beamwidth.
27. The apparatus of claim 26, wherein the system information includes at least one of information indicating the characteristics to be operated by the base station, allocation information of the resource periods, information indicating a number of times of transmitting the reference signals, a transmission (TX) power value for each of the characteristics, a maximum TX antenna gain for each of the characteristics, information indicating a beam direction, and information for determining at least one of the listed items.
28. The apparatus of claim 26, wherein the feedback information includes at least one of a Channel Quality Indicator (CQI) for each of the characteristics, a path loss for each of the characteristics, a preferred characteristic, a preferred beam direction, a CQI for each beam direction, and an interference amount.
29. The apparatus of claim 28, wherein the feedback information is transmitted periodically, and feedback periods for respective items included in the feedback information are different from each other.
30. The apparatus of claim 26, wherein the feedback information includes at least one of a Channel Quality Indicator (CQI) and an interference amount for one or more characteristics among the characteristics, an interference amount for the other characteristics, a preferred characteristic, and a preferred beam direction.
31. The apparatus of claim 30, further comprising:
a control unit configured to determine the CQI for each of the characteristics by using the CQI and the interference amount for the one or more characteristics and the interference amount for the other characteristics.
32. The apparatus of claim 26, wherein the transmitter is further configured to transmit reference signals having different characteristics through another one of the plurality of the resource period.
33. The apparatus of claim 26, further comprising:
a control unit configured to determine the characteristics to be applied to different types of channels.
34. The apparatus of claim 33, wherein the control unit determines to apply a wide-beamwidth beam pattern to a channel for transmission of a signal that is to be received by a plurality of terminals.
35. The apparatus of claim 26, further comprising:
a control unit configured to determine the characteristics to be applied to at least one terminal by using the feedback information.
36. The apparatus of claim 35, wherein, if a link quality of a terminal is equal to or higher than a threshold value, the control unit determines to apply a wide-beamwidth beam pattern to the terminal.
37. The apparatus of claim 35, wherein, if a terminal is in a Line-of-Sight (LoS) environment, the control unit determines to apply a characteristic different from a characteristic of at least one different terminal to the terminal.
38. The apparatus of claim 35, wherein the control unit changes the characteristics applied to the at least one terminal.
39. The apparatus of claim 38, wherein, if a path loss of a terminal is lower than a threshold value, the control unit changes a beam pattern applied to the terminal into a beam pattern with a narrower beamwidth.
40. The apparatus of claim 38, wherein, if a path loss of a terminal increases due to an obstacle, the control unit changes a beam direction of a beam pattern applied to the terminal.
41. The apparatus of claim 38, wherein, if a path loss of a terminal increases due to an obstacle, the control unit changes a beam pattern applied to the terminal into a beam pattern with a wider beamwidth.
42. The apparatus of claim 38, wherein, if a path loss of a terminal increases due to an increased distance from the base station, the control unit changes a beam pattern applied to the terminal into a beam pattern with a narrower beamwidth.
43. A terminal in a wireless communication system, the terminal comprising:
a receiver configured to receive system information related to characteristics of transmitting signals from a base station, and, to receive reference signals having the characteristics through one of a plurality of resource periods, and
a transmitter configured to transmit feedback information regarding channel qualities for the reference signals,
wherein each of the plurality of resource periods is respectively mapped with one of the characteristics, and
wherein the characteristics comprise at least one of a beam pattern, polarization characteristics, antenna structure, a wave strength, corresponding antenna structure and a beamwidth.
44. The terminal of claim 43, wherein the system information includes at least one of information indicating the characteristics to be operated by the base station, allocation information of the resource periods, information indicating a number of times of transmitting the reference signals, a transmission (TX) power value for each of the characteristics, a maximum TX antenna gain for each of the characteristics, information indicating a beam direction, and information for determining at least one of the listed items.
45. The terminal of claim 44, further comprising:
a control unit configured to determine a TX power value for each of the characteristics through the system information and to estimate a path loss for each of the characteristics by using the TX power value for each of the characteristics,
wherein the feedback information includes the path loss for each of the characteristics.
46. The terminal of claim 43, wherein the feedback information includes at least one of a Channel Quality Indicator (CQI) for each of the characteristics, a path loss for each of the characteristic, a preferred characteristic, a preferred beam direction, a CQI for each beam direction, and an interference amount.
47. The terminal of claim 46, wherein the feedback information is transmitted periodically, and feedback periods for respective items included in the feedback information are different from each other.
48. The terminal of claim 43, wherein the feedback information includes at least one of a Channel Quality Indicator (CQI) and an interference amount for one or more characteristics among the characteristics, an interference amount for the other characteristics, a preferred characteristic, and a preferred beam direction.
49. The terminal of claim 43, wherein the receiver is further configured to receive reference signals having different characteristics through another one of the plurality of the resource period.
50. The terminal of claim 43, further comprising:
a control unit configured to determine a preferred beam direction by using a received signal strength of the reference signal,
wherein the feedback information includes information indicating the preferred beam direction.
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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.