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摘要

Embodiments of the present disclosure describe methods, apparatuses, storage media, and systems for configuring, transmitting, and receiving configured grant uplink transmissions. Other embodiments may be described and claimed.

說明書

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CROSS REFERENCE TO RELATED APPLICATION

The present application claims priority to U.S. Provisional Patent Application No. 62/697,857, filed Jul. 13, 2018, entitled “Activation-Deactivation and Downlink Feedback Information For Autonomous Uplink Transmission in New Radio Systems Operating on Unlicensed Spectrum,” and U.S. Provisional Patent Application No. 62/697,858, filed Jul. 13, 2018, entitled “UCI For Autonomous Uplink Transmission in New Radio Systems Operating on Unlicensed Spectrum,” all of which are hereby incorporated by references in their entirety.

FIELD

Embodiments of the present invention relate generally to the technical field of wireless communications.

BACKGROUND

The background description provided herein is for the purpose of generally presenting the context of the disclosure. Work of the presently named inventors, to the extent it is described in this background section, as well as aspects of the description that may not otherwise qualify as prior art at the time of filing, are neither expressly nor impliedly admitted as prior art against the present disclosure. Unless otherwise indicated herein, the approaches described in this section are not prior art to the claims in the present disclosure and are not admitted to be prior art by inclusion in this section.

權(quán)利要求

1

What is claimed is:

1. One or more non-transitory, computer-readable media (NTCRM) comprising instructions to, upon execution of the instructions by one or more processors of a user equipment (UE), cause the UE to:decode downlink control information (DCI) within DCI format 0_1 transmission to detect a flag;

determine, based on the flag, that the DCI includes either: downlink feedback information (DFI); or configured grant (CG) activation or deactivation information to activate or deactivate a CG uplink (UL) transmission for the UE; and

process the DCI based on determination of whether the DCI includes the DFI or the CG activation or deactivation information.

2. The one or more NTCRM of claim 1, wherein: the DCI format 0_1 transmission is within a new radio (NR) Layer 1 (L1) message from a next-generation NodeB (gNB), and the DCI includes the CG activation or deactivation information for a Type-2 configured grant in NR.

3. The one or more NTCRM of claim 1, wherein the DCI includes the CG activation or deactivation information to activate or deactivate CG UL transmission.

4. The one or more NTCRM of claim 3, wherein, upon execution, the instructions further cause the UE to determine, based on a value set for certain fields, whether the CG activation or deactivation information is to activate or deactivate the CG UL transmission.

5. The one or more NTCRM of claim 3, wherein, the DCI is to indicate DFI that includes a hybrid automatic repeat request (HARQ) feedback with respect to an UL transmission.

6. The one or more NTCRM of claim 5, wherein, upon execution, the instructions further cause the UE to transmit the UL transmission based on a configured grant.

7. The one or more NTCRM of claim 1, wherein the DCI includes CG activation or deactivation information and, upon execution, the instructions further cause the UE to generate, based on the decoded DCI, an acknowledgement message to indicate reception of the CG activation or deactivation information, the acknowledgement message to include one or more medium access control (MAC) control elements (CEs) to indicate one or more values of a logic channel identification (LCD).

8. The one or more NTCRM of claim 7, wherein, upon execution, the instructions further cause the UE to transmit the acknowledgement message via a scheduled grant uplink transmission.

9. The one or more NTCRM of claim 1, wherein the DCI includes CG deactivation information and, upon execution, the instructions further cause the UE to determine not to generate an acknowledgement message to indicate a reception of the CG deactivation information.

10. One or more non-transitory, computer-readable media (NTCRM) comprising instructions to, upon execution of the instructions by one or more processors of a next-generation NodeB (gNB), cause the gNB to:generate first downlink control information (DCI) to include configured grant (CG) activation or deactivation information to indicate an activation or a deactivation of a CG UL transmission for a user equipment (UE), the first DCI to further include a first flag to indicate that the first DCI is to include the CG activation or deactivation information; and

generate second DCI to include downlink feedback information (DFI) related to an UL transmission, the second DCI to further include a second flag to indicate that the second DCI is to include the DFI; and

transmit the first and second DCI in new radio (NR) Layer 1 (L1) messages.

11. The one or more NTCRM of claim 10, wherein, upon execution, the instructions further cause the gNB to indicate one or more frequency resources for the CG UL transmission in the CG activation or deactivation information.

12. The one or more NTCRM of claim 10, wherein, upon execution, the instructions further cause the gNB to generate a radio resource control (RRC) message to grant the CG UL transmission, wherein the RRC message indicates one or more frequency resources and corresponding time resources for the CG UL transmission for a Type 2 CG.

13. The one or more NTCRM of claim 10, wherein the DFI includes hybrid automatic repeat request (HARQ) acknowledgement (ACK) feedback with respect to the CG UL transmission.

14. The one or more NTCRM of claim 10, wherein the first DCI and the second DCI are both of a same DCI format and size.

15. The one or more NTCRM of claim 10, wherein, upon execution, the instructions further cause the gNB to start a timer upon transmitting the first DCI.

16. The one or more NTCRM of claim 15, wherein, upon execution, the instructions further cause the gNB to reset the timer upon receiving an acknowledgement message to indicate a reception of the activation or deactivation information.

17. The one or more NTCRM of claim 15, wherein, upon execution, the instructions further cause the gNB to re-transmit the activation or deactivation information upon an expiration of the timer.

18. An apparatus, comprising:a central processing unit (CPU) to generate configured grant-uplink control information (CG-UCI) with respect to an CG uplink (UL) transmission, wherein the CG-UCI indicates a remaining channel occupancy time (COT) is shared with the gNB, and a number of resources to be used for an uplink to downlink maximum COT (MCOT) sharing; and

one or more baseband processors coupled with the CPU, to map the CG-UCI onto a physical uplink shared channel (PUSCH) for transmission.

19. The apparatus of claim 18, wherein the CG-UCI includes a hybrid automatic repeat request (HARQ) process identifier (ID), a redundancy version (RV), a new data indicator (NDI), a PUSCH starting symbol to indicate a starting position of the PUSCH or whether a first symbol of a current slot is punctured, and a PUSCH ending symbol to indicate an ending position of the PUSCH or whether a last symbol of the current slot is punctured.

20. The apparatus of claim 18, wherein to map the CG-UCI onto the PUSCH, the one or more baseband processors is to multiplex the CG-UCI with uplink shared channel (UL-SCH) onto the PUSCH, wherein the UL-SCH is rate matched across the CG-UCI and the CG-UCI is mapped within each CG PUSCH transmission of the PUSCH.

21. The apparatus of claim 18, wherein a number of coded modulation symbols per layer for CG-UCI transmission is evaluated based on:

Q_{G ? - ? UCI_? 1}^{'} = \min ? {? \frac{(O_{G ? - ? UCI} + L_{G ? - ? UCI}) \cdot β_{offset}^{G ? - ? UCI} \cdot \sum_{l = 0}^{N_{symb, all}^{PUSCH} - 1} ? M_{sc}^{UCI} ? (l)}{\sum_{r = 0}^{C_{UL ? - ? SCH} - 1} ? K_{r}} ?, ? α \cdot \sum_{l = l_{0}}^{N_{symb, all}^{PUSCH} - 1} ? M_{sc}^{UCI} ? (l) ?}

wherein, O_G-UCIis a number of CG-UCI bits, L_G-UCIindicates a number of cyclic redundancy check (CRC) bits for the CG-UCI, β_offset^G-UCIis an offset value of the CG-UCI, M_sc^UCIis a number of resource elements that is to be used for UCI transmission, N_symb,all^PUSCHis a total number of OFDM symbols for the PUSCH, C_UL-SCHis a number of code blocks for uplink shared channel (UL-SCH) of the PUSCH transmission, K_ris an r-th code block size for the UL-SCH of the PUSCH transmission, and M_sc^UCIis a number of resource elements that is to be used for CG-UCI transmission in an OFDM symbol l, and l=0, 1, 2, . . . , N_symb,all^PUSCH?1 in the PUSCH transmission.

22. The apparatus of claim 21, wherein the number of coded modulation symbols per layer for CG-UCI transmission is further evaluated based on:

Q_{G ? - ? UCI_? 2}^{'} = \min ? {? \frac{(O_{G ? - ? UCI ? - ? 2} + L_{G ? - ? UCI}) \cdot β_{offset}^{G ? - ? UCI} \cdot \sum_{l = 0}^{N_{symb, all}^{PUSCH} - 1} ? M_{sc}^{UCI} ? (l)}{\sum_{r = 0}^{C_{UL ? - ? SCH} - 1} ? K_{r}} ?, ? α \cdot \sum_{l = l_{0}}^{N_{symb, all}^{PUSCH} - 1} ? M_{sc}^{UCI} ? (l) ? - Q_{G ? - ? UCI_? 1}^{'}}

wherein, O_{G-UCI_2}is a number of CG-UCI bits mapped into channel state information (CSI) part 2 resource elements.

23. The apparatus of claim 22, wherein the β_offset^G-UCIis determined by an indication of an activation downlink control information (DCI) to indicate a β_offsetvalue based on a set of β_offsetvalues that are available for the CG-UCI, for a Type 2 autonomous uplink (AUL) configuration.

24. A method of operating a next-generation NodeB (gNB), the method comprising:generating a message, to a user equipment (UE), to indicate a configured grant (CG) offset value to be used to multiplex CG-uplink control information (CG-UCI) with uplink shared channel (UL-SCH) data into a physical uplink shared channel (PUSCH) for a CG uplink (UL) transmission operating in an unlicensed spectrum; and

upon reception from the UE, decoding the CG-UCI.

25. The method of claim 24, wherein the message is transmitted by radio resource control (RRC) signaling.

26. A method of operating a user equipment (UE), the method comprising:receiving a message that includes an indication of a configured grant (CG) offset value that is to be used to multiplex CG-uplink control information (CG-UCI) with uplink shared channel (UL-SCH) data into a physical uplink shared channel (PUSCH) transmission;

determining a number of coded modulation symbols per layer for the CG-UCI based on the CG offset value;

generating the PUSCH transmission to include the number of coded modulation symbols; and

transmitting the PUSCH transmission.

27. The method of claim 26, further comprising:determining the number of coded modulation symbols per layer for CG-UCI (Q_G-UCI′) based on:

Q_{G - UCI}^{'} = \min ? {? \frac{(O_{G - UCI} + L_{G - UCI}) \cdot β_{offset}^{G - UCI} \cdot \sum_{l = 0}^{N_{symb, {all}^{- 1}}^{PUSCH}} ? ? M_{s ? c}^{UCI} ? (l)}{\sum_{r = 0}^{C_{UL - {SCH}^{- 1}}} ? ? K_{r}} ?, ? ? α \cdot \sum_{l = l_{0}}^{N_{symb, {all}^{- 1}}^{PUSCH}} ? M_{sc}^{UCI} ? (l) ?},

wherein O_G-UCIis a number of CG-UCI bits, L_G-UCIis a number of cyclic redundancy check (CRC) bits for the CG-UCI, β_offset^G-UCIis the CG offset value, M_sc^UCIis a number of resource elements that is to be used for the CG-UCI, N_symb,all^PUSCHis a total number of OFDM symbols for the PUSCH transmission, C_UL-SCHis a number of code blocks for the UL-SCH of the PUSCH transmission, K_ris an r-th code block size for the UL-SCH of the PUSCH transmission, and M_sc^UCIis a number of resource elements that is to be used for CG-UCI in an OFDM symbol l, and l=0, 1, 2, . . . , N_symb,all^PUSCH?1 in the PUSCH transmission.

28. The method of claim 26, further comprising: receiving the message via radio resource control (RRC) signaling.

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Techniques in configured grant uplink transmission in new radio (NR) systems operating in unlicensed spectrum

摘要

說明書

權(quán)利要求

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Techniques in configured grant uplink transmission in new radio (NR) systems operating in unlicensed spectrum

摘要

說明書

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