Abstract
A method for operating a base station in a wireless communication system in order to support a plurality of propagation characteristics is provided. The method includes allocating resource periods for respective propagation characteristics transmitting system information including information on the propagation characteristics transmitting a reference signal with the propagation 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 propagation characteristics.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 5G | 03/05/2018 | ISLD-201805-012 | SAMSUNG | No | Family Member | ||||
| 5G | 04/05/2018 | ISLD-201805-014 | SAMSUNG | Yes | Basis Patent | ||||
Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration System Information Beamforming
Product
Base Station (eNB/gNB)User Equipment (UE/Terminal)Antenna
Use Cases
Wireless communication
Services
Beam Management
Claim
1. A method for operating a base station in a wireless communication system, the method comprising:
transmitting allocation information for a plurality of beam patterns corresponding to resource periods including a first resource period and a second resource period;
transmitting first reference signals with a first beamwidth in the first resource period;
transmitting second reference signals with a second beamwidth in the second resource period;
receiving feedback information regarding channel quality for at least one of the first reference signals and the second reference signals; and
transmitting data signals through a beam pattern which is identified based on the feedback information among the plurality of beam patterns,
wherein the first beamwidth is different from the second beamwidth.
2. The method of claim 1,
wherein transmitting data signals comprises:
allocating a same time-frequency resource for at least two of the data signals with different polarization characteristics when the identified beam pattern is narrowest among the plurality of beam patterns; and
transmitting the data signals through a resource period corresponding to the identified beam pattern, the resource period comprising the same time-frequency resource, and
wherein the resource periods are allocated to the plurality of beam patterns, respectively.
3. The method of claim 1, further comprising:
transmitting information indicating a number of transmissions of the first reference signals and a number of transmissions of the second reference signals.
4. The method of claim 1,
wherein the first reference signals are transmitted via different beam direction in a sector,
wherein the second reference signals are transmitted via different beam direction in the sector, and
wherein the beam pattern is identified based on a path loss for each of the first reference signals and the second reference signals.
5. The method of claim 1, further comprising:
determining a channel quality for each of the second reference signals, based on a channel quality for each of the first reference signals, a first interference amount measured in the first period, and a second interference amount measured in the second period,
wherein the first beamwidth is widest among beamwidths of the plurality of beam patterns.
6. A method for operating a terminal in a wireless communication system, the method comprising:
receiving allocation information for a plurality of beam patterns corresponding to resource periods including a first resource period and a second resource period;
receiving first reference signals with a first beamwidth in the first resource period;
receiving second reference signals with a second beamwidth in the second resource period;
transmitting feedback information regarding channel quality for at least one of the first reference signals and the second reference signals; and
receiving data signals transmitted through a beam pattern which is identified based on the feedback information, among the plurality of beam patterns,
wherein the first beamwidth is different from the second beamwidth.
7. The method of claim 6,
wherein the resource periods are allocated to the plurality of beam patterns, respectively,
wherein the data signals are received through a resource period corresponding to the identified beam pattern, and
wherein at least two of the data signals with different polarization characteristics are allocated a same time-frequency resource when the identified beam pattern is narrowest among the plurality of beam patterns.
8. The method of claim 6, further comprising:
receiving information indicating a number of transmissions of the first reference signals and a number of transmissions of the second reference signals.
9. The method of claim 6,
wherein the first reference signals are transmitted via different beam direction in a sector,
wherein the second reference signals are transmitted via different beam direction in the sector, and
wherein the beam pattern is identified based on a path loss for each of the first reference signals and the second reference signals.
10. The method of claim 6, further comprising:
transmitting information regarding a first interference amount measured in the first resource period and a second interference amount measured in the second resource period,
wherein a channel quality for each of the second reference signals is determined based on a channel quality for each of the first reference signals, the first interference amount, and the second interference amount, and
wherein the first beamwidth is widest among beamwidths of the plurality of beam patterns.
11. An apparatus of a base station in a wireless communication system, the apparatus comprising:
at least one transceiver; and
at least one processor operatively coupled to the at least one transceiver, wherein the at least one transceiver is configured to:
transmit allocation information for a plurality of beam patterns corresponding to resource periods including a first resource period and a second resource period,
transmit first reference signals with a first beamwidth in the first resource period,
transmit second reference signals with a second beamwidth in the second resource period,
receive feedback information regarding channel quality for at least one of the first reference signals and the second reference signals, and
transmit data signals through a beam pattern which is identified based on the feedback information, among the plurality of beam patterns, and
wherein the first beamwidth is different from the second beamwidth.
12. The apparatus of claim 11,
wherein the at least one processor is further configured to allocate a same time-frequency resource for at least two of the data signals with different polarization characteristics when the identified beam pattern is narrowest among the plurality of beam patterns,
wherein the at least one transceiver is further configured to transmit the data signals through a resource period corresponding to the identified beam pattern, the resource period comprising the same time-frequency resource, and
wherein the resource periods are allocated to the plurality of beam patterns, respectively.
13. The apparatus of claim 11,
wherein the at least one transceiver is further configured to transmit information indicating a number of transmissions of the first reference signals and a number of transmissions of the second reference signals.
14. The apparatus of claim 11,
wherein the first reference signals are transmitted via different beam direction in a sector,
wherein the second reference signals are transmitted via different beam direction in the sector, and
wherein the beam pattern is identified based on a path loss for each of the first reference signals and the second reference signals.
15. The apparatus of claim 11, further comprising:
wherein the at least one processor is further configured to determine a channel quality for each of the second reference signals, based on a channel quality for the first reference signals, a first interference amount measured in the first period, and a second interference amount measured in the second period, and
wherein the first beamwidth is widest among beamwidths of the plurality of beam patterns.
16. An apparatus of a terminal in a wireless communication system, the apparatus comprising:
at least one transceiver; and
at least one processor operatively coupled to the at least one transceiver,
wherein the at least one transceiver is configured to:
receive allocation information for a plurality of beam patterns corresponding to resource periods including a first resource period and a second resource period,
receive first reference signals with a first beamwidth in the first resource period,
receive second reference signals with a second beamwidth in the second resource period,
transmit feedback information regarding channel quality for at least one of the first reference signals and the second reference signals, and
receive data signals transmitted through a beam pattern which is identified based on the feedback information, among the plurality of beam patterns, and
wherein the first beamwidth is different from the second beamwidth.
17. The apparatus of claim 16,
wherein the resource periods are allocated to the plurality of beam patterns, respectively,
wherein the data signals are received through a resource period corresponding to the identified beam pattern, and
wherein at least two of the data signals with different polarization characteristics are allocated a same time-frequency resource when the identified beam pattern is narrowest among the plurality of beam patterns.
18. The apparatus of claim 16,
wherein the at least one transceiver is further configured to receive information indicating a number of transmissions of the first reference signals and a number of transmissions of the second reference signals.
19. The apparatus of claim 16,
wherein the first reference signals are transmitted via different beam direction in a sector,
wherein the second reference signals are transmitted via different beam direction in the sector, and
wherein the beam pattern is identified based on a path loss for each of the first reference signals and the second reference signals.
20. The apparatus of claim 16,
wherein the at least one transceiver is further configured to transmit information regarding a first interference amount measured in the first resource period and a second interference amount measured in the second resource period,
wherein a channel quality for each of the second reference signals is determined based on a channel quality for each of the first reference signals, the first interference amount, and the second interference amount, and
wherein the first beamwidth is widest among beamwidths of the plurality of beam patterns.
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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.