Link configuration specific modulation and coding scheme (MCS)
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| Název: | Link configuration specific modulation and coding scheme (MCS) |
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| Patent Number: | 11528,086 |
| Datum vydání: | December 13, 2022 |
| Appl. No: | 16/905493 |
| Application Filed: | June 18, 2020 |
| Abstrakt: | Certain aspects of the present disclosure provide techniques for link configuration-specific modulation and coding scheme (MCS). A method that may be performed by a user equipment (UE) includes receiving control information indicating an MCS index corresponding to one or more MCS parameters to be used for a communication link, determining the one or more MCS parameters corresponding to the MCS index, wherein a mapping of the MCS index to the one or more MCS parameters is dependent on a configuration of the communication link, and communicating via the communication link in accordance with the one or more MCS parameters. |
| Inventors: | QUALCOMM Incorporated (San Diego, CA, US) |
| Assignees: | QUALCOMM Incorporated (San Diego, CA, US) |
| Claim: | 1. A method for wireless communication by a user-equipment (UE), comprising: receiving control information indicating a modulation and coding scheme (MCS) index corresponding to one or more MCS parameters to be used for a communication link; determining the one or more MCS parameters corresponding to the MCS index in one of different MCS tables defined for different configurations of the communication link, wherein the different configurations of the communication link comprise different types of waveforms associated with the communication link, wherein a mapping of the MCS index to the one or more MCS parameters is indicated by the different MCS tables depending on the different configurations of the communication link; and communicating via the communication link in accordance with the one or more MCS parameters. |
| Claim: | 2. The method of claim 1 , further comprising receiving an indication of a configuration of the different configurations via control signaling, radio resource control (RRC) signaling, or medium access control (MAC)-control element (CE). |
| Claim: | 3. The method of claim 2 , wherein each of the different MCS tables includes a plurality of MCS indices, wherein a spectral efficiency of the communication link monotonically increases as values of the plurality of MCS indices increase. |
| Claim: | 4. The method of claim 1 , wherein the mapping of the MCS index to the one or more MCS parameters is further indicated by a first MCS table of the different MCS tables, and wherein different rows of the first MCS table correspond to different MCS indices depending on a first configuration of the different configurations of the communication link. |
| Claim: | 5. The method of claim 1 , wherein the mapping of the MCS index to the one or more MCS parameters is further indicated by a first MCS table of the different MCS tables, the first MCS table indicating a different mapping of the MCS index to the one or more MCS parameters depending on a first configuration of the different configurations of the communication link. |
| Claim: | 6. The method of claim 1 , wherein the different configurations of the communication link further comprise at least one of a numerology associated with the communication link or a carrier frequency to be used for communication on the communication link, and wherein the numerology associated with the communication link corresponds to at least one of a frame structure, packet duration, or subcarrier spacing associated with the communication link. |
| Claim: | 7. The method of claim 1 , wherein the one or more MCS parameters comprise at least one of a modulation order, target code rate, or spectral efficiency. |
| Claim: | 8. A method for wireless communication by a network entity, comprising: determining one or more modulation and coding scheme (MCS) parameters to be used for a communication link; selecting an MCS index corresponding to the one or more MCS parameters in one of different MCS tables defined for different configurations of the communication link, wherein the different configurations of the communication link comprise different types of waveform associated with the communication link, wherein a mapping of the MCS index to the one or more MCS parameters is indicated by the different MCS tables depending on the different configurations of the communication link; generating control information comprising the MCS index; and transmitting the control information to a user-equipment (UE). |
| Claim: | 9. The method of claim 8 , further comprising transmitting an indication of a configuration of the different configurations via control signaling, radio resource control (RRC) signaling, or medium access control (MAC)-control element (CE). |
| Claim: | 10. The method of claim 9 , wherein each of the different MCS tables includes a plurality of MCS indices, wherein a spectral efficiency of the communication link monotonically increases as values of the plurality of MCS indices increase. |
| Claim: | 11. The method of claim 8 , wherein the mapping of the MCS index to the one or more MCS parameters is further indicated by a first MCS table of the different MCS tables, and wherein different rows of the first MCS table correspond to different MCS indices depending on a first configuration of the different configurations of the communication link. |
| Claim: | 12. The method of claim 8 , wherein the mapping of the MCS index to the one or more MCS parameters is further indicated by a first MCS table of the different MCS tables, the first MCS table indicating a different mapping of the MCS index to the one or more MCS parameters depending on a first configuration of the different configurations of the communication link. |
| Claim: | 13. The method of claim 8 , wherein the different configurations of the communication link further comprise at least one of a numerology associated with the communication link or a carrier frequency to be used for communication on the communication link, and wherein the numerology associated with the communication link corresponds to at least one of a frame structure, packet duration, or subcarrier spacing associated with the communication link. |
| Claim: | 14. The method of claim 8 , wherein the one or more MCS parameters comprise at least one of a modulation order, target code rate, or spectral efficiency. |
| Claim: | 15. An apparatus for wireless communication by a user-equipment (UE), comprising: a memory; and one or more processors coupled to the memory, the one or more processors and the memory being configured to: receive control information indicating a modulation and coding scheme (MCS) index corresponding to one or more MCS parameters to be used for a communication link; determine the one or more MCS parameters corresponding to the MCS index in one of different MCS tables defined for different configurations of the communication link, wherein the different configurations of the communication link comprise different types of waveform associated with the communication link, wherein a mapping of the MCS index to the one or more MCS parameters is indicated by the different MCS tables depending on the different configurations of the communication link; and communicate via the communication link in accordance with the one or more MCS parameters. |
| Claim: | 16. The apparatus of claim 15 , wherein the one or more processors are further configured to: receive an indication of a configuration of the different configurations via control signaling, radio resource control (RRC) signaling, or medium access control (MAC)-control element (CE). |
| Claim: | 17. The apparatus of claim 16 , wherein each of the different MCS tables includes a plurality of MCS indices, wherein a spectral efficiency of the communication link monotonically increases as values of the plurality of MCS indices increase. |
| Claim: | 18. The apparatus of claim 15 , wherein the mapping of the MCS index to the one or more MCS parameters is further indicated by a first MCS table of the different MCS tables, and wherein different rows of the first MCS table correspond to different MCS indices depending on a first configuration of the different configurations of the communication link. |
| Claim: | 19. The apparatus of claim 15 , wherein the mapping of the MCS index to the one or more MCS parameters is further indicated by a first MCS table of the different MCS tables, the first MCS table indicating a different mapping of the MCS index to the one or more MCS parameters depending on a first configuration of the different configurations of the communication link. |
| Claim: | 20. The apparatus of claim 15 , wherein the different configurations of the communication link further comprise at least one of a numerology associated with the communication link or a carrier frequency to be used for communication on the communication link, and wherein the numerology associated with the communication link corresponds to at least one of a frame structure, packet duration, or subcarrier spacing associated with the communication link. |
| Claim: | 21. An apparatus for wireless communication by a network entity, comprising: a memory; and one or more processors coupled to the memory, the one or more processors and the memory being configured to: determine one or more modulation and coding scheme (MCS) parameters to be used for a communication link; select an MCS index corresponding to the one or more MCS parameters in one of different MCS tables defined for different configurations of the communication link, wherein the different configurations of the communication link comprise different types of waveform associated with the communication link, wherein a mapping of the MCS index to the one or more MCS parameters is indicated by the different MCS tables depending on the different configurations of the communication link; generate control information comprising the MCS index; and transmit the control information to a user-equipment (UE). |
| Claim: | 22. The apparatus of claim 21 , wherein the one or more processors are further configured to: transmit an indication of a configuration of the different configurations via control signaling, radio resource control (RRC) signaling, or medium access control (MAC)-control element (CE). |
| Claim: | 23. The apparatus of claim 22 , wherein each of the different MCS tables includes a plurality of MCS indices, wherein a spectral efficiency of the communication link monotonically increases as values of the plurality of MCS indices increase. |
| Claim: | 24. The apparatus of claim 21 , wherein the mapping of the MCS index to the one or more MCS parameters is further indicated by a first MCS table of the different MCS tables, and wherein different rows of the first MCS table correspond to different MCS indices depending on a first configuration of the different configurations of the communication link. |
| Claim: | 25. The apparatus of claim 21 , wherein the mapping of the MCS index to the one or more MCS parameters is further indicated by a first MCS table of the different MCS tables, the first MCS table indicating a different mapping of the MCS index to the one or more MCS parameters depending on a first configuration of the different configurations of the communication link. |
| Claim: | 26. The apparatus of claim 21 , wherein the different configurations of the communication link further comprise at least one of a numerology associated with the communication link or a carrier frequency to be used for communication on the communication link, and wherein the numerology associated with the communication link corresponds to at least one of a frame structure, packet duration, or subcarrier spacing associated with the communication link. |
| Patent References Cited: | 10305627 May 2019 Li 20140192732 July 2014 Chen 20150312071 October 2015 Chen 20160330738 November 2016 Eitan 20170034845 February 2017 Liu 20170135098 May 2017 Kang et al. 20170171014 June 2017 Chen 20170207878 July 2017 Chen 20180115388 April 2018 Ljung 20190190644 June 2019 Ugurlu 20190215095 July 2019 Park 20190238257 August 2019 Hosseini 20190253121 August 2019 Islam 20190260495 August 2019 Nammi 2015164251 October 2015 WO-2018203989 November 2018 |
| Other References: | 5G/Share Technote, “5G/NR—MCS/TBS/Code Rate” https://www.sharetechnote.com/html/5G/5G_MCS_TBS_CodeRate.html, retrieved date Jul. 23, 2021, pp. 1-13. cited by examiner International Search Report and Written Opinion—PCT/US2020/038666—ISA/EPO—dated Sep. 30, 2020. cited by applicant |
| Primary Examiner: | Haider, Syed |
| Attorney, Agent or Firm: | Patterson + Sheridan, LLP |
| Přístupové číslo: | edspgr.11528086 |
| Databáze: | USPTO Patent Grants |
| Abstrakt: | Certain aspects of the present disclosure provide techniques for link configuration-specific modulation and coding scheme (MCS). A method that may be performed by a user equipment (UE) includes receiving control information indicating an MCS index corresponding to one or more MCS parameters to be used for a communication link, determining the one or more MCS parameters corresponding to the MCS index, wherein a mapping of the MCS index to the one or more MCS parameters is dependent on a configuration of the communication link, and communicating via the communication link in accordance with the one or more MCS parameters. |
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