CN110708765A

CN110708765A - Uplink control information multiplexing method and device

Info

Publication number: CN110708765A
Application number: CN201910979697.4A
Authority: CN
Inventors: 林伟; 赵亚军; 李新彩
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-01-17
Also published as: WO2021073507A1

Abstract

The application provides an uplink control information multiplexing method and an uplink control information multiplexing device, and the uplink control information multiplexing method comprises the following steps: when PUSCH non-scheduling transmission of continuous N TTIs is contained in one COT, multiplexing complete UCI for PUSCH non-scheduling transmission of first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, wherein K is an integer larger than or equal to 1, and N is an integer larger than or equal to 2; multiplexing a part of UCI for PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, wherein the information contained in the part of UCI is a subset of the information contained in the complete UCI.

Description

Uplink control information multiplexing method and device

Technical Field

The present application relates to wireless communication networks, and for example, to a method and an apparatus for multiplexing uplink control information.

Background

In the fifth Generation mobile communication technology (5G), it can also be called New Radio (NR). The NR-based Unlicensed Spectrum (NR-based Spectrum to Unlicensed Spectrum, NR-U) technology has a great application prospect in various fields such as the Internet of things and factory automation.

However, the usage of the unlicensed spectrum needs to comply with certain regulations, for example, a device must perform Listen Before Talk (LBT), which may also be referred to as Clear Channel Assessment (CCA), Before transmitting data using the unlicensed carrier. Only devices with successful LBT can transmit data on the unlicensed carrier. In NR-U scheduling-free (or Configured Grant, or autonomous Uplink) transmission, a Physical Uplink Shared CHannel (PUSCH) for scheduling-free transmission includes Uplink Control Information (UCI), and the UCI at least includes Hybrid automatic repeat-reQuest (HARQ) process Identifier (ID), New Data Indicator (NDI), Redundancy Version (Redundancy Version, RV) ID, and CHannel Occupancy Time (COT) Shared Information. The UCI may further include a User Equipment (UE) ID, Cyclic Redundancy Check (CRC), PUSCH start and end positions/slots, resource configuration index, Transmission parameters, and Code Block Group Transmission Information (CBGTI).

The NR-U non-scheduled Transmission has Transmission with multiple Transmission Time Intervals (TTIs), and the PUSCH Transmission of each TTI includes complete UCI, which may cause significant overhead and affect the Transmission efficiency of data.

Disclosure of Invention

The application provides an uplink control information multiplexing method and device, which are used for reducing the overhead of uplink control information in scheduling-free transmission and improving the data transmission efficiency.

In a first aspect, the present application provides a method for multiplexing uplink control information, including:

when PUSCH non-scheduling transmission of continuous N TTIs is contained in one COT, multiplexing complete UCI for PUSCH non-scheduling transmission of first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, wherein K is an integer larger than or equal to 1, and N is an integer larger than or equal to 2;

multiplexing a part of UCI for PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, wherein the information contained in the part of UCI is a subset of the information contained in the complete UCI.

In a second aspect, the present application provides a method for multiplexing uplink control information, including:

receiving PUSCH non-scheduling transmission of continuous N TTIs in a COT, multiplexing complete UCI by PUSCH non-scheduling transmission of first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, multiplexing partial UCI by PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, wherein the information contained in the partial UCI is a subset of the information contained in the complete UCI, K is an integer larger than or equal to 1, and N is an integer larger than or equal to 2;

and supplementing partial UCI of the PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs into the complete UCI according to the complete UCI of the PUSCH non-scheduling transmission of the first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs.

In a third aspect, the present application provides an uplink control information multiplexing apparatus, including:

the complete UCI multiplexing module is configured to multiplex complete UCI for PUSCH non-scheduling transmission of first K TTIs in PUSCH non-scheduling transmission of continuous N TTIs when PUSCH non-scheduling transmission of continuous N TTIs is included in one COT, wherein K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2;

and the partial UCI multiplexing module is set to multiplex partial UCI for the PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, and the information contained in the partial UCI is a subset of the information contained in the complete UCI.

In a fourth aspect, the present application provides an uplink control information multiplexing apparatus, including:

the receiving module is configured to receive PUSCH non-scheduled transmission of N continuous TTIs in one COT, PUSCH non-scheduled transmission of first K TTIs in the PUSCH non-scheduled transmission of the N continuous TTIs multiplexes complete UCI, PUSCH non-scheduled transmission of the remaining N-K TTIs in the PUSCH non-scheduled transmission of the N continuous TTIs multiplexes partial UCI, and information contained in the partial UCI is a subset of information contained in the complete UCI, wherein K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2;

and the processing module is configured to supplement partial UCI of the PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs into complete UCI according to the complete UCI of the PUSCH non-scheduling transmission of the first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs.

Drawings

Fig. 1 is a flowchart of an uplink control information multiplexing method according to an embodiment;

fig. 2 is a flowchart of another uplink control information multiplexing method according to an embodiment;

fig. 3 is a schematic structural diagram of an uplink control information multiplexing apparatus according to an embodiment;

fig. 4 is a schematic structural diagram of another uplink control information multiplexing apparatus according to an embodiment;

fig. 5 is a schematic structural diagram of a UE according to an embodiment;

fig. 6 is a schematic structural diagram of a base station according to an embodiment.

Detailed Description

Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.

Fig. 1 is a flowchart of an uplink control information multiplexing method according to an embodiment, and as shown in fig. 1, the method according to this embodiment includes the following steps.

Step S1010, when one COT includes PUSCH non-scheduled transmission of consecutive N TTIs, multiplexing a complete UCI for PUSCH non-scheduled transmission of first K TTIs in the PUSCH non-scheduled transmission of the consecutive N TTIs, where K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2.

The uplink control information multiplexing method provided by the embodiment is applied to the UE in the wireless communication network, or referred to as a terminal. The UE transmits uplink information in the wireless communication network using an uplink channel.

In the scheduling-free transmission of the NR-U, before a scheduling-free configuration resource comes, the UE needs to perform LBT first, and if LBT succeeds, it occupies a COT, and the UE transmits data using the COT. Each COT includes multiple TTIs, each TTI is used to carry a PUSCH transmission, and the PUSCH of each TTI may transmit different TBs or the same TB. Different TTIs transmit the same TB, the TTI transmitting the same TB uses the same HARQ process ID, different TTIs transmit different TBs, and the TTI transmitting the different TBs uses different HARQ process IDs.

When one COT includes PUSCH non-scheduled transmission of multiple TTIs, if each TTI includes a complete UCI, a large overhead is required.

In this embodiment, when one COT includes PUSCH non-scheduled transmission of consecutive N TTIs, PUSCH non-scheduled transmission of the first K TTIs in PUSCH non-scheduled transmission of consecutive N TTIs multiplexes complete UCI. Wherein, K is an integer greater than or equal to 1, N is an integer greater than or equal to 2, that is, one COT includes PUSCH scheduling-free transmission of at least two consecutive TTIs, where PUSCH scheduling-free transmission of consecutive TTIs starting at least a first TTI multiplexes complete UCI. If K is equal to N, it means that all TTIs of the COT multiplex the complete UCI, still resulting in large overhead. Therefore, K needs to be smaller than N, i.e. only a part of TTIs within the COT multiplex the complete UCI.

The complete UCI includes complete UCI for uplink scheduling, and at least includes HARQ process ID, NDI, RVID, and COT sharing information. The complete UCI may also include at least one of the following information: UE ID, CRC, PUSCH start and end positions/slots, resource configuration index, CBGTI. The resource allocation index is used to indicate scheduling-free resources used in the current transmission when multiple sets of scheduling-free resources are configured for the UE, and the transmission parameter at least includes one of a Modulation and Coding Scheme (MCS), a Precoding Matrix Indicator (PMI), a Rank Indicator (RI), and a Sounding Reference Signal (SRS) resource indicator (SRI).

Step S1020, multiplexing a partial UCI for PUSCH non-scheduled transmission of the remaining N-K TTIs in PUSCH non-scheduled transmission of consecutive N TTIs, where information included in the partial UCI is a subset of information included in a complete UCI.

In order to reduce UCI overhead of PUSCH non-scheduled transmission for consecutive TTIs, in this embodiment, after PUSCH non-scheduled transmission for first K TTIs in PUSCH non-scheduled transmission for consecutive N TTIs within one COT multiplexes complete UCI, PUSCH non-scheduled transmission for remaining N-K TTIs in PUSCH non-scheduled transmission for consecutive N TTIs multiplexes partial UCI. Wherein the information contained in the partial UCI is a subset of the information contained in the complete UCI.

That is, in the PUSCH scheduling-free transmission of N consecutive TTIs, the remaining N-K TTIs include only a part of information in the complete UCI, and another part of information of the complete UCI is determined or implicitly indicated according to other information. Therefore, after the base station receives the PUSCHs of N continuous TTIs sent by the UE, the complete UCI of each TTI can be determined according to other information, and therefore the PUSCHs are correctly received and processed.

The scenario for multiplexing partial UCI in N-K TTIs may be: there are N total TTIs of PUSCH transmissions before COT sharing or before Uplink (UL) to Downlink (DL) switching, and the remaining N-K TTIs of PUSCH transmissions contain partial UCI, which contains information that is a subset of the information contained in the complete UCI. Or multiple uplink and downlink switching of UL-to-DL-to-UL may occur in the COT due to COT sharing or other reasons, and after DL-to-UL switching, in the case that there are multiple-TTI transmissions in UL transmission, PUSCH transmissions of the first K TTIs in the multiple-TTI transmissions of UL transmission include complete UCI, and PUSCH transmissions of other TTIs include partial UCI.

The partial UCI may include a part of information in the complete UCI, and the information included in the partial UCI may include the following cases:

1. and the part of UCI comprises HARQ process ID, NDI and RVID, and COT sharing information of the part of UCI is determined according to COT sharing information in complete UCI of the first K TTIs in the same COT. In addition, part of the UCI may further include CBGTI.

2. And the part of UCI comprises HARQ process ID and NDI, COT sharing information of the part of UCI is determined according to COT sharing information in complete UCI of previous K TTIs in the same COT, and RVID of the part of UCI is determined through implicit indication. In addition, part of the UCI may further include CBGTI.

3. And part of UCI comprises HARQ process ID, COT sharing information of part of UCI is determined according to COT sharing information in complete UCI of previous K TTIs in the same COT, and RVID and NDI of part of UCI are determined through implicit indication. In addition, part of the UCI may further include CBGTI.

In an embodiment, if the PUSCH of consecutive N TTIs is not scheduled to transmit the same transport block TB, the NDI in the partial UCI is the same as the NDI in the complete UCI of the first K TTIs within the same COT.

4. COT sharing information of part of UCI is determined according to COT sharing information in complete UCI of previous K TTIs in the same COT, and RVID, NDI and HARQ process ID of part of UCI are determined through implicit indication. In addition, part of the UCI may further include CBGTI.

In an embodiment, if the PUSCH of consecutive N TTIs transmits the same transport block TB without scheduling, the HARQ process ID in the partial UCI is the same as the HARQ process ID in the complete UCI of the first K TTIs within the same COT.

In an embodiment, the LBT type and LBT priority in the COT shared information in the partial UCI are the same as the LBT type and LBT priority in the COT shared information in the complete UCI for the first K TTIs within the same COT, and the remaining COT length in the COT shared information in the partial UCI is determined according to the remaining COT length in the COT shared information in the complete UCI for the first K TTIs within the same COT minus the length of the TTI that has been transmitted and does not contain the complete UCI.

In an embodiment, the RVID in the partial UCI is determined from the HARQ process ID and/or the NDI. Specifically, the NDI of the next scheduling-free transmission that is the same as the HARQ process ID is different from the NDI used for the PUSCH transmission using the HARQ process ID, and then the RVID is 0; the NDI of the adjacent scheduling-free transmission which is the same as the HARQ process ID is the same as the NDI used by the PUSCH transmission transmitted by using the HARQ process ID, and the adjacent scheduling-free transmission and the current transmission are sent according to a predefined Redundancy Version (RV) pattern; in scheduling-free transmission for N consecutive TTIs within a COT, PUSCH transmissions using the same HARQ process ID are sent in a predefined RV pattern. For example, if the predefined RV pattern is {0,2,3,1}, and the RVID of an adjacent PUSCH transmission that is the same as the HARQ process ID is 0, then the RVID of the current PUSCH transmission is 2; similarly, the same RVID of the next PUSCH transmission as the HARQ process ID is 2, then the RVID of the current PUSCH transmission is 3. In multi-TTI transmission of COT, the RVID used for TTI transmission with the same HARQ process ID is determined according to a predefined pattern; if the predefined RV pattern is {0,2,3,1}, and there are 4 TTIs with the same HARQ process ID in the multi-TTI transmission, the RVIDs of the PUSCH repeated transmissions corresponding to the sequence of the HARQ process IDs are 0,2,3, and 1, respectively.

In an embodiment, the NDI in the partial UCI is determined according to a HARQ process ID and/or a Downlink Feedback Indicator (DFI) and/or scheduling information. Specifically, the DFI of the adjacent non-scheduled transmission that is the same as the HARQ process ID is fed back as a Negative Acknowledgement (NACK) and the PUSCH retransmission of the HARQ process ID is not scheduled by the base station between the adjacent non-scheduled transmission that is the same as the HARQ process ID and the current transmission, and then the NDI of the adjacent PUSCH transmission that is the same as the HARQ process ID is the same; the DFI of the adjacent non-scheduling transmission with the same HARQ process ID is fed back as NACK, and the base station schedules PUSCH retransmission of the HARQ process ID between the adjacent non-scheduling transmission with the same HARQ process ID and current transmission, so that the NDI used by the adjacent non-scheduling transmission with the same NDI as the HARQ process ID is different; the DFI of the adjacent non-scheduling transmission with the same HARQ process ID is fed back as an Acknowledgement (ACK), and then the NDI is different from the NDI used by the adjacent non-scheduling transmission with the same HARQ process ID; in scheduling-free transmission of consecutive N TTIs of COT, NDIs corresponding to TTI transmissions with the same HARQ process ID are the same.

In an embodiment, the HARQ process IDs in the partial UCI are incremented according to the order of increasing TTIs based on the HARQ process IDs in the complete UCI of the first K TTIs within the same COT. Specifically, if the HARQ process IDs in part of UCIs are incremented based on the HARQ process IDs in the complete UCI of the first K TTIs in the same COT in the order of TTI increase, the determined HARQ process ID is an occupied and/or unreleased HARQ process ID, then the incrementing is continued based on the determined HARQ process ID, and the first available HARQ process ID is determined to be used; and if the HARQ process IDs in the part of UCIs are increased according to the increasing sequence of the TTIs and the determined HARQ process ID exceeds the maximum HARQ process ID by increasing based on the HARQ process ID in the complete UCI of the first K TTIs in the same COT, continuing increasing from the minimum HARQ process ID configured for scheduling-free transmission. For example: in multi-TTI transmission, TTIs are numbered in a time sequence, the multi-TTI is counted as N TTIs, the first TTI number in the N TTIs is N, and the multi-TTI numbers are N, N +1, … … and N + N-1 respectively. The TTI where the complete UCI is located is TTI n, and the HARQ process ID in the UCI is k, the process of TTI n +1 is k +1, if the process k +1 is occupied, the process k +2 is continuously incremented, and if the process k +2 is available, the HARQ process used by the PUSCH transmitted on TTI n +1 is k + 2.

In the above cases 1-4, the UE ID, the PUSCH starting and ending positions/slots, the resource allocation index, and the transmission parameters in the partial UCI are determined according to the UE ID, the PUSCH starting and ending positions/slots, the resource allocation index, and the transmission parameters in the complete UCI of the first K TTIs within the same COT. The CRC in the partial UCI determines whether to include and/or a bit length of the CRC according to an overhead size of the partial UCI.

In the uplink control information multiplexing method provided in this embodiment, when PUSCH non-scheduled transmission of N consecutive TTIs is included in one COT, the PUSCH non-scheduled transmission of the first K TTIs in the PUSCH non-scheduled transmission of the N consecutive TTIs multiplexes complete UCI, where K is an integer greater than or equal to 1 and N is an integer greater than or equal to 2, and then PUSCH non-scheduled transmission of the remaining N-K TTIs in the PUSCH non-scheduled transmission of the N consecutive TTIs multiplexes partial UCI, and information included in the partial UCI is a subset of information included in the complete UCI, so that overhead of UCI in non-scheduled transmission can be reduced, and data transmission efficiency is improved.

Fig. 2 is a flowchart of another uplink control information multiplexing method according to an embodiment, and as shown in fig. 2, the method according to this embodiment includes the following steps.

Step S2010, receiving PUSCH non-scheduled transmission of consecutive N TTIs in a COT, PUSCH non-scheduled transmission of first K TTIs in the PUSCH non-scheduled transmission of the consecutive N TTIs multiplexing a complete UCI, and PUSCH non-scheduled transmission of remaining N-K TTIs in the PUSCH non-scheduled transmission of the consecutive N TTIs multiplexing a partial UCI, where the information included in the partial UCI is a subset of information included in the complete UCI, where K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2.

The uplink control information multiplexing method provided by the embodiment is applied to a base station in a wireless communication network. The base station UE receives uplink information transmitted by the UE through an uplink channel in the wireless communication network.

The base station receives PUSCH non-scheduling transmission of continuous N TTIs in a COT, PUSCH non-scheduling transmission of first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs multiplexes complete UCI, PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs multiplexes partial UCI, and information contained in the partial UCI is a subset of information contained in the complete UCI, wherein K is an integer larger than or equal to 1, and N is an integer larger than or equal to 2.

In the scheduling-free transmission of the NR-U, before a scheduling-free configuration resource comes, the UE needs to perform LBT first, and if LBT succeeds, it occupies a COT, and the UE transmits data using the COT. Each COT includes multiple TTIs, each TTI is used to carry a PUSCH transmission, and the PUSCH of each TTI may transmit different TBs or the same TB. When one COT includes PUSCH non-scheduled transmission of multiple TTIs, if each TTI includes a complete UCI, a large overhead is required. Therefore, the UE can multiplex the full UCI for the PUSCH schedulable transmission of the first K TTIs in the PUSCH schedulable transmission of N consecutive TTIs within one COT, and multiplex the partial UCI for the PUSCH schedulable transmission of the remaining N-K TTIs.

The complete UCI includes complete UCI for uplink scheduling, and at least includes HARQ process ID, NDI, RVID, and COT sharing information. The complete UCI may also include at least one of the following information: UE ID, CRC, PUSCH start and end positions/slots, resource configuration index, CBGTI. The resource allocation index is used for indicating the scheduling-free allocation resource used in the transmission under the condition of allocating a plurality of sets of scheduling-free resources for the UE, and the transmission parameter at least comprises one of a Modulation and Coding Scheme (MCS), a Precoding Matrix Indicator (PMI), a Rank Indicator (RI) and a sequence indicator (SRI).

Step S2020, according to the complete UCI of the PUSCH non-scheduling transmission of the first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, supplementing part of the UCI of the PUSCH non-scheduling transmission of the remaining N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs to the complete UCI.

Because the base station needs to acquire the complete UCI of the PUSCH of each TTI to normally perform data reception and processing, the base station needs to supplement a part of the UCI of the PUSCH non-scheduled transmission of the remaining N-K TTIs in the PUSCH non-scheduled transmission of the consecutive N TTIs to the complete UCI according to the complete UCI of the PUSCH non-scheduled transmission of the first K TTIs in the PUSCH non-scheduled transmission of the consecutive N TTIs.

In an embodiment, the LBT type and LBT priority in the COT shared information in the partial UCI are the same as the LBT type and LBT priority in the COT shared information in the complete UCI for the first K TTIs within the same COT, and the remaining COT length in the COT shared information in the partial UCI is determined according to the remaining COT length in the COT shared information in the complete UCI for the first K TTIs within the same COT minus the length of the TTI that has been received and does not contain the complete UCI.

In an embodiment, the RVID in the partial UCI is determined from the HARQ process ID and/or the NDI. Specifically, the NDI of the next scheduling-free reception that is the same as the HARQ process ID is different from the NDI used for PUSCH reception transmitted using the HARQ process ID, and then the RVID is 0; the NDI which is the same as the HARQ process ID and is received without scheduling at the next time is the same as the NDI used by the PUSCH receiving transmitted by using the HARQ process ID, and the receiving without scheduling at the next time and the current receiving are sent according to a predefined Redundancy Version (RV) pattern; in scheduling-free reception for N consecutive TTIs within a COT, PUSCH reception using the same HARQ process ID is transmitted in a predefined RV pattern. For example, if the predefined RV pattern is {0,2,3,1}, and the RVID of an adjacent PUSCH transmission that is the same as the HARQ process ID is 0, then the RVID of the current PUSCH transmission is 2; similarly, the same RVID of the next PUSCH transmission as the HARQ process ID is 2, then the RVID of the current PUSCH transmission is 3. In multi-TTI transmission of COT, the RVID used for TTI transmission with the same HARQ process ID is determined according to a predefined pattern; if the predefined RV pattern is {0,2,3,1}, and there are 4 TTIs with the same HARQ process ID in the multi-TTI transmission, the RVIDs of the PUSCH repeated transmissions corresponding to the sequence of the HARQ process IDs are 0,2,3, and 1, respectively.

In an embodiment, the NDI in the partial UCI is determined according to the HARQ process ID and/or the DFI and/or the scheduling information. Specifically, the DFI of the adjacent non-scheduling reception with the same HARQ process ID is fed back as NACK, and the PUSCH retransmission of the HARQ process ID is not scheduled by the base station between the adjacent non-scheduling reception with the same HARQ process ID and the current reception, so the NDI of the adjacent PUSCH reception with the same HARQ process ID is the same; the DFI of the adjacent non-scheduling reception same with the HARQ process ID is fed back as NACK, and the base station schedules PUSCH retransmission of the HARQ process ID between the adjacent non-scheduling reception same with the HARQ process ID and the current reception, so that the NDI used by the adjacent non-scheduling reception same with the HARQ process ID is different; the DFI which is received by the adjacent scheduling-free receiving and is the same as the HARQ process ID is fed back as ACK, and the NDI which is used by the adjacent scheduling-free receiving and is the same as the HARQ process ID is different; in the scheduling-free reception of N continuous TTIs of the COT, NDIs corresponding to the TTIs with the same HARQ process ID are the same.

The uplink control information multiplexing method provided in this embodiment receives PUSCH non-scheduled transmission of consecutive N TTIs in one COT, PUSCH non-scheduled transmission of first K TTIs in PUSCH non-scheduled transmission of consecutive N TTIs multiplexes complete UCI, PUSCH non-scheduled transmission of remaining N-K TTIs in PUSCH non-scheduled transmission of consecutive N TTIs multiplexes partial UCI, information included in the partial UCI is a subset of information included in the complete UCI, where K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2; according to the complete UCI of the PUSCH non-scheduling transmission of the first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, the partial UCI of the PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs is supplemented to be the complete UCI, so that the cost of the UCI in the non-scheduling transmission can be reduced, and the data transmission efficiency is improved.

The uplink control information multiplexing method provided by the present application is described in detail with several specific embodiments below.

Example one

In the scheduling-free transmission of NR-U, before scheduling-free configuration resources arrive, the UE executes LBT, and if the LBT succeeds, the UE occupies a COT, and transmits data by using the COT. Each COT comprises N TTIs, each TTI is used for bearing a PUSCH transmission, the PUSCH of each TTI can transmit different TBs and also can transmit the same TB, the same TB is transmitted by different TTIs, the same HARQ process ID is used by the TTI, and the different HARQ process IDs are used by the TTIs when the different TBs are transmitted by the different TTIs.

In scheduling-free transmission of N TTIs, each TTI transmits a different TB, and the TTIs transmitting the different TBs use different HARQ process IDs. The UE executes the LBT before scheduling-free authorized resources arrive, if the LBT is successfully executed, the corresponding COT is occupied, the first K TTIs in the COT are transmitted to send complete UCI, the complete UCI at least comprises HARQ process ID, NDI, RVID and COT sharing information, and the COT sharing information possibly comprises LBT type, LBT priority and residual COT length; the complete UCI may further include a UE-ID, a CRC, PUSCH start and end positions/time slots, a resource configuration index, a transmission parameter and a CBGTI, wherein the resource configuration index is used for indicating that the scheduling-free configuration resource is used in the current transmission under the condition that a plurality of sets of scheduling-free resources are configured for the UE, and the transmission parameter at least includes one of MCS, PMI, RI and SRI; there are N total TTIs of PUSCH transmissions before COT sharing or UL-to-DL handover, and the remaining N-K TTIs of PUSCH transmissions contain partial UCI, which contains information that is a subset of the information contained in the complete UCI.

In an embodiment, a partial UCI at least includes HARQ process ID, NDI and RVID, and may further include CBGTI, where COT sharing information is determined according to COT sharing information in the complete UCI, UE-ID, PUSCH starting and ending position/slot, resource configuration index and transmission parameter are determined according to UE-ID, PUSCH starting and ending position/slot, resource configuration index and transmission parameter in the complete UCI, CRC determines whether to include and/or the bit length of CRC according to the overhead size of the partial UCI, and the partial UCI does not include COT sharing information;

in an embodiment, the partial UCI at least includes HARQ process ID, NDI, and possibly CBGTI, where RVID used for PUSCH transmission is determined by implicit indication, COT sharing information is determined according to COT sharing information of the complete UCI, UE-ID, PUSCH starting and ending position/slot, resource configuration index, and transmission parameter are determined according to UE-ID, PUSCH starting and ending position/slot, resource configuration index, and transmission parameter in the complete UCI, CRC determines whether to include and/or the bit length of CRC according to the overhead size of the partial UCI, and the partial UCI does not include RVID and COT sharing information.

In an embodiment, the partial UCI at least includes a HARQ process ID and may further include CBGTI, where the NDI is determined by implicit indication, the RVID used for PUSCH transmission is determined by implicit indication, the COT sharing information is determined according to COT sharing information of the complete UCI, the UE-ID, the PUSCH starting and ending position/slot, the resource configuration index and the transmission parameter are determined according to the UE-ID, the PUSCH starting and ending position/slot, the resource configuration index and the transmission parameter in the complete UCI, the CRC determines whether to include and/or the bit length of the CRC according to the overhead size of the partial UCI, and the partial UCI does not include the NDI, the RVID and the COT sharing information.

In one embodiment, a portion of the UCI may include CBGTI. HARQ process ID, NDI and RVID used by PUSCH transmission are determined through implicit indication, COT sharing information is determined according to COT sharing information of complete UCI, UE-ID, PUSCH starting and ending positions/time slots, resource configuration indexes and transmission parameters are determined according to UE-ID, PUSCH starting and ending positions/time slots, resource configuration indexes and transmission parameters in the complete UCI, CRC determines whether the overhead size of part of UCI contains and/or the bit length of CRC, and part of UCI does not contain HARQ process ID, NDI, RVID and COT sharing information.

In an embodiment, the COT sharing information is determined according to the COT sharing information in the complete UCI. The LBT type and LBT priority class in the COT sharing information are the same as the LBT type and LBT priority class in the COT sharing information in the complete UCI, and the residual COT length in the COT sharing information is determined by subtracting the TTI length which is transmitted and does not contain the complete UCI from the residual COT length in the COT sharing information in the complete UCI.

In an embodiment, among other things, the HARQ process ID is acknowledged from the HARQ process ID in the full UCI. The HARQ process ID is increased progressively based on the HARQ process ID in the complete UCI according to the increasing sequence of the TTI; if the process ID determined by the HARQ process ID according to the rule is occupied, continuously increasing until an available HARQ process ID exists; and if the process ID determined by the HARQ process ID according to the rule reaches the maximum process ID configured for the scheduling-free transmission and the available ID is not obtained, continuously determining the available HARQ process ID according to the ascending sequence from the minimum HARQ process ID configured for the scheduling-free transmission. For example, in multi-TTI transmission, TTIs are numbered in a time sequence, the multi-TTI is m TTIs in total, and the first TTI number in the multi-TTI is n, so that the multi-TTI numbers are n, n +1, … … and n + m-1 respectively. The TTI where the complete UCI is located is TTI n, and the HARQ process ID in the UCI is k, the process of TTI n +1 is k +1, if the process k +1 is occupied, the process k +2 is continuously incremented, and if the process k +2 is available, the HARQ process used by the PUSCH transmitted on TTI n +1 is k + 2.

In one embodiment, among others, the NDI is determined based on the DFI and scheduling information. The HARQ ACK/NACK feedback of the base station for the adjacent PUSCH transmission which is the same as the HARQ process ID is NACK, and the base station does not schedule PUSCH retransmission for the HARQ process ID, so that the NDI is the same as the NDI of the adjacent PUSCH transmission which is the same as the HARQ process ID; the base station feeds back HARQ ACK/NACK which is the same as the HARQ process ID and is transmitted by the PUSCH at the next time to be NACK, and the base station schedules PUSCH retransmission aiming at the HARQ process ID, so that the NDI is different from the NDI of the PUSCH transmission at the next time which is the same as the HARQ process ID; the base station feeds back the HARQ ACK/NACK which is the same as the HARQ process ID and is transmitted by the PUSCH at the next time as ACK, and the NDI is different from the NDI which is the same as the HARQ process ID and transmitted by the PUSCH at the next time; in the multi-TTI transmission of COT, NDIs corresponding to TTI transmissions with the same HARQ process ID are the same;

in an embodiment, the RVID may be implicitly indicated by the HARQ process ID and the NDI, among others. The NDI of the PUSCH transmission next to the same as the HARQ process ID is different from the NDI of the current PUSCH transmission, and then the RVID is 0. The NDI of the PUSCH transmission close to the time which is the same as the HARQ process ID is the same as the NDI of the current PUSCH transmission, and the RVID is determined according to the RVID of the previous transmission and a predefined RV pattern; if the predefined RV pattern is {0,2,3,1}, and the RVID of an adjacent PUSCH transmission which is the same as the HARQ process ID is 0, then the RVID of the current PUSCH transmission is 2; similarly, the same RVID of the next PUSCH transmission as the HARQ process ID is 2, then the RVID of the current PUSCH transmission is 3.

Example two

In the scheduling-free transmission of NR-U, before scheduling-free configuration resources arrive, the UE executes LBT, and if the LBT succeeds, the UE occupies a COT, and transmits data by using the COT. Each COT comprises a plurality of TTIs, each TTI is used for bearing a PUSCH transmission, the PUSCH of each TTI can transmit different TBs and also can transmit the same TB, the same TB is transmitted by different TTIs, the same HARQ process ID is used by the TTI, and the different HARQ process IDs are used by the TTIs when the different TBs are transmitted by the different TTIs.

In multi-TTI scheduling-free transmission, each TTI transmits the same TB, and the TTIs transmitting the same TB use the same HARQ process ID. The UE executes the LBT before scheduling-free authorized resources arrive, if the LBT is successfully executed, the corresponding COT is occupied, the first K TTIs in the COT are transmitted to send complete UCI, the complete UCI at least comprises HARQ process ID, NDI, RVID and COT sharing information, and the COT sharing information possibly comprises LBT type, LBT priority and residual COT length; the complete UCI may further include a UE-ID, a CRC, PUSCH start and end positions/time slots, a resource configuration index, a transmission parameter and a CBGTI, wherein the resource configuration index is used for indicating that the scheduling-free configuration resource is used in the current transmission under the condition that a plurality of sets of scheduling-free resources are configured for the UE, and the transmission parameter at least includes one of MCS, PMI, RI and SRI; there are N TTIs of PUSCH transmissions before COT sharing or before UL-to-DL handover, and the remaining N-K TTIs of PUSCH transmissions contain partial UCI, which contains information that is a subset of the information contained in the complete UCI.

In an embodiment, the partial UCI at least includes HARQ process ID, NDI, RVID, and possibly CBGTI, where COT sharing information is determined according to COT sharing information in the complete UCI, UE-ID, PUSCH starting and ending position/slot, resource configuration index, and transmission parameter are determined according to UE-ID, PUSCH starting and ending position/slot, resource configuration index, and transmission parameter in the complete UCI, CRC determines whether to include and/or the bit length of CRC according to the overhead size of the partial UCI, and the partial UCI does not include COT sharing information.

In an embodiment, the partial UCI includes at least HARQ process ID, NDI, and possibly CBGTI, where the RVID is implicitly indicated by a predefined RV pattern, the COT sharing information is determined according to the COT sharing information in the complete UCI, the UE-ID, PUSCH starting and ending position/slot, resource configuration index, and transmission parameter are determined according to the UE-ID, PUSCH starting and ending position/slot, resource configuration index, and transmission parameter in the complete UCI, the CRC determines whether to include and/or the bit length of the CRC according to the overhead size of the partial UCI, and the partial UCI does not include the RVID and the COT sharing information.

In an embodiment, the partial UCI includes at least a HARQ process ID and may further include a CBGTI, where the NDI is the same as the NDI in the complete UCI, the RVID is implicitly indicated by a predefined RV pattern, the COT sharing information is determined according to the COT sharing information in the complete UCI, the UE-ID, the PUSCH starting and ending position/slot, the resource configuration index and the transmission parameter are determined according to the UE-ID, the PUSCH starting and ending position/slot, the resource configuration index and the transmission parameter in the complete UCI, the CRC determines whether to include and/or determine a bit length of the CRC according to an overhead size of the partial UCI, and the partial UCI does not include the NDI, the RVID and the COT sharing information.

In an embodiment, the partial UCI may include CBGTI, where the HARQ process ID and NDI are the same as the HARQ process ID and NDI in the complete UCI, the RVID is implicitly indicated by a predefined pattern, the COT sharing information is determined according to the COT sharing information in the complete UCI, the UE-ID, the PUSCH starting and ending position/slot, the resource configuration index and the transmission parameter are determined according to the UE-ID, the PUSCH starting and ending position/slot, the resource configuration index and the transmission parameter in the complete UCI, the CRC determines whether to include and/or the bit length of the CRC according to the overhead size of the partial UCI, and the partial UCI does not include the HARQ process ID, NDI, RVID and the COT sharing information.

EXAMPLE III

In the scheduling-free transmission of multiple TTIs, including multiple different TB transmissions and/or repeated transmissions of the same continuous TB, different TB transmissions use different HARQ process IDs, and the same continuous TB transmissions use the same HARQ process ID. The UE executes the LBT before scheduling-free authorized resources arrive, if the LBT is successfully executed, the corresponding COT is occupied, the first K TTIs in the COT are transmitted to send complete UCI, the complete UCI at least comprises HARQ process ID, NDI, RVID and COT sharing information, and the COT sharing information possibly comprises LBT type, LBT priority and residual COT length; the complete UCI may further include a UE-ID, a CRC, PUSCH start and end positions/time slots, a resource configuration index, a transmission parameter and a CBGTI, wherein the resource configuration index is used for indicating that the scheduling-free configuration resource is used in the current transmission under the condition that a plurality of sets of scheduling-free resources are configured for the UE, and the transmission parameter at least includes one of MCS, PMI, RI and SRI; there are N TTIs of PUSCH transmissions before COT sharing or before UL-to-DL handover, and the remaining N-K TTIs of PUSCH transmissions contain partial UCI, which contains information that is a subset of the information contained in the complete UCI.

In an embodiment, the partial UCI at least includes HARQ process ID, NDI and RVID, and may further include CBGTI, where COT sharing information is determined according to COT sharing information in the complete UCI, UE-ID, PUSCH starting and ending position/slot, resource configuration index and transmission parameter are determined according to UE-ID, PUSCH starting and ending position/slot, resource configuration index and transmission parameter in the complete UCI, CRC determines whether to include and/or bit length of CRC according to overhead size of the partial UCI, and the partial UCI does not include COT sharing information.

In an embodiment, the partial UCI at least includes HARQ process ID, NDI, and possibly CBGTI, where the RVID is notified by way of implicit indication, the COT sharing information is determined according to the COT sharing information in the complete UCI, the UE-ID, PUSCH starting and ending position/slot, resource configuration index, and transmission parameter are determined according to the UE-ID, PUSCH starting and ending position/slot, resource configuration index, and transmission parameter in the complete UCI, the CRC determines whether to include and/or determine the bit length of the CRC according to the overhead size of the partial UCI, and the partial UCI does not include the RVID and the COT sharing information.

In an embodiment, a part of UCI at least includes HARQ process ID and possibly CBGTI, where NDI is determined by implicit means, RVID is notified by implicit indication, COT sharing information is determined according to COT sharing information in the complete UCI, UE-ID, PUSCH start and end position/slot, resource configuration index and transmission parameter are determined according to UE-ID, PUSCH start and end position/slot, resource configuration index and transmission parameter in the complete UCI, CRC determines whether to include and/or bit length of CRC according to overhead size of the part of UCI, and the part of UCI does not include NDI, RVID and COT sharing information.

In one embodiment, among others, the NDI is determined based on the DFI and scheduling information. The base station feeds back the HARQ ACK/NACK which is the same as the HARQ process ID and is transmitted by the PUSCH at the next time to be NACK, and the base station does not schedule PUSCH retransmission aiming at the HARQ process ID, so that the NDI is the same as the NDI of the PUSCH transmission at the next time which is the same as the HARQ process ID; the base station feeds back HARQ ACK/NACK which is the same as the HARQ process ID and is transmitted by the PUSCH at the next time to be NACK, and the base station schedules PUSCH retransmission aiming at the HARQ process ID, so that the NDI is different from the NDI of the PUSCH transmission at the next time which is the same as the HARQ process ID; and the base station feeds back the HARQ ACK/NACK which is the same as the HARQ process ID and is transmitted by the PUSCH at the next time as ACK, and the NDI is different from the NDI which is the same as the HARQ process ID and transmitted by the PUSCH at the next time.

In an embodiment, the RVID may be implicitly indicated by the HARQ process ID and the NDI, among others. The NDI of the PUSCH transmission next to the same as the HARQ process ID is different from the NDI of the current PUSCH transmission, and then the RVID is 0. The NDI of the PUSCH transmission close to the time which is the same as the HARQ process ID is the same as the NDI of the current PUSCH transmission, and the RVID is determined according to the RVID of the previous transmission and a predefined RV pattern; if the predefined RV pattern is {0,2,3,1}, and the RVID of an adjacent PUSCH transmission which is the same as the HARQ process ID is 0, then the RVID of the current PUSCH transmission is 2; similarly, the same RVID of the next PUSCH transmission as the HARQ process ID is 2, then the RVID of the current PUSCH transmission is 3. In multi-TTI transmission of COT, the RVID used for TTI transmission with the same HARQ process ID is determined according to a predefined pattern; if the predefined RV pattern is {0,2,3,1}, and there are 4 TTIs with the same HARQ process ID in the multi-TTI transmission, the RVIDs of the PUSCH repeated transmissions corresponding to the sequence of the HARQ process IDs are 0,2,3, and 1, respectively.

Example four

In the scheduling-free transmission of multiple TTIs, including multiple different TB transmissions and/or repeated transmissions of the same continuous TB, different TB transmissions use different HARQ process IDs, and the same continuous TB transmissions use the same HARQ process ID. The UE executes the LBT before scheduling-free authorized resources arrive, if the LBT is successfully executed, the corresponding COT is occupied, the first K TTIs in the COT are transmitted to send complete UCI, the complete UCI at least comprises HARQ process ID, NDI, RVID and COT sharing information, and the COT sharing information possibly comprises LBT type, LBT priority and residual COT length; the complete UCI may further include a UE-ID, a CRC, PUSCH start and end positions/slots, a resource configuration index, a transmission parameter, and a CBGTI, where the resource configuration index is used to indicate a scheduling-free configuration resource used for the current transmission when multiple sets of scheduling-free resources are configured for the UE, and the transmission parameter at least includes one of an MCS, a PMI, an RI, and an SRI. Due to COT sharing or other reasons, multiple uplink and downlink switching of UL-to-DL-to-UL may occur in COT, and after DL-to-UL switching, in the case that there are multi-TTI transmissions in UL transmission, PUSCH transmissions of the first K TTIs in the multi-TTI transmissions of UL transmission include complete UCI, and UCI multiplexing methods included in PUSCH transmissions of other TTIs are as shown in embodiments one to three.

Fig. 3 is a schematic structural diagram of an uplink control information multiplexing apparatus according to an embodiment, and as shown in fig. 3, the uplink control information multiplexing apparatus provided in this embodiment is configured in a UE, and includes:

the complete UCI multiplexing module 31 is configured to multiplex the complete UCI for the PUSCH non-scheduled transmission of the first K TTIs in the PUSCH non-scheduled transmission of the consecutive N TTIs when the PUSCH non-scheduled transmission of the consecutive N TTIs is included in one COT, where K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2; the partial UCI multiplexing module 32 is configured to multiplex a partial UCI for PUSCH non-scheduled transmissions of the remaining N-K TTIs in the PUSCH non-scheduled transmissions of the consecutive N TTIs, where information included in the partial UCI is a subset of information included in the complete UCI.

The uplink control information multiplexing apparatus provided in this embodiment is used to implement the uplink control information multiplexing method in the embodiment shown in fig. 1, and the implementation principle and technical effect of the uplink control information multiplexing apparatus provided in this embodiment are similar, and are not described here again.

Fig. 4 is a schematic structural diagram of another uplink control information multiplexing apparatus provided in an embodiment, and as shown in fig. 4, the uplink control information multiplexing apparatus provided in this embodiment is disposed in a base station, and includes:

a receiving module 41, configured to receive PUSCH non-scheduled transmission of consecutive N TTIs in one COT, PUSCH non-scheduled transmission of first K TTIs in PUSCH non-scheduled transmission of consecutive N TTIs multiplexes a complete UCI, and PUSCH non-scheduled transmission of remaining N-K TTIs in PUSCH non-scheduled transmission of consecutive N TTIs multiplexes a partial UCI, where information included in the partial UCI is a subset of information included in the complete UCI, where K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2; the processing module 42 is configured to supplement, according to the complete UCI of the PUSCH non-scheduled transmission of the first K TTIs in the PUSCH non-scheduled transmission of the consecutive N TTIs, the partial UCI of the PUSCH non-scheduled transmission of the remaining N-K TTIs in the PUSCH non-scheduled transmission of the consecutive N TTIs to the complete UCI.

The uplink control information multiplexing apparatus provided in this embodiment is used to implement the uplink control information multiplexing method in the embodiment shown in fig. 3, and the implementation principle and technical effect of the uplink control information multiplexing apparatus provided in this embodiment are similar, and are not described here again.

Fig. 5 is a schematic structural diagram of a UE according to an embodiment, as shown in fig. 5, the UE includes a processor 51, a memory 52, a transmitter 53, and a receiver 54; the number of the processors 51 in the UE may be one or more, and one processor 51 is taken as an example in fig. 5; a processor 51 and memory 52, transmitter 53 and receiver 54 in the UE; may be connected by a bus or other means, such as by a bus as illustrated in fig. 5.

The memory 52, as a computer-readable storage medium, can be configured to store software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the uplink control information multiplexing method in the embodiment of fig. 1 in the present application (for example, the complete UCI multiplexing module 31 and the partial UCI multiplexing module 32 in the uplink control information multiplexing apparatus). The processor 51 executes the software program, instructions and modules stored in the memory 52, so as to complete at least one functional application and data processing of the UE, that is, implement the above uplink control information multiplexing method.

The memory 52 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 52 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.

The transmitter 53 is a module or combination of devices capable of transmitting radio frequency signals into space, including, for example, a radio frequency transmitter, an antenna, and other devices. The receiver 54 is a module or combination of devices capable of receiving radio frequency signals from space, including, for example, a radio frequency receiver, an antenna, and other devices.

Fig. 6 is a schematic structural diagram of a base station according to an embodiment, as shown in fig. 6, the base station includes a processor 61, a memory 62, a transmitter 63, and a receiver 64; the number of the processors 61 in the base station may be one or more, and one processor 61 is taken as an example in fig. 6; a processor 61 and memory 62, transmitter 63 and receiver 64 in the base station; the connection may be via a bus or other means, such as via a bus as illustrated in FIG. 6.

The memory 62, as a computer-readable storage medium, may be configured to store software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the uplink control information multiplexing method in the embodiment of fig. 2 in the present application (for example, the receiving module 41 and the processing module 42 in the uplink control information multiplexing apparatus). The processor 61 executes the software program, instructions and modules stored in the memory 62, so as to complete at least one functional application and data processing of the base station, that is, implement the above uplink control information multiplexing method.

The memory 62 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 62 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.

The transmitter 63 is a module or combination of devices capable of transmitting radio frequency signals into space, including, for example, a radio frequency transmitter, an antenna, and other devices. The receiver 64 is a module or combination of devices capable of receiving radio frequency signals from space, including, for example, a radio frequency receiver, an antenna, and other devices.

Embodiments of the present application further provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a method for multiplexing uplink control information, the method including: when PUSCH non-scheduling transmission of continuous N TTIs is contained in one COT, multiplexing complete UCI for PUSCH non-scheduling transmission of first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, wherein K is an integer larger than or equal to 1, and N is an integer larger than or equal to 2; multiplexing a part of UCI for PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs, wherein the information contained in the part of UCI is a subset of the information contained in the complete UCI.

Embodiments of the present application further provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a method for multiplexing uplink control information, the method including: receiving PUSCH non-scheduling transmission of N continuous TTIs in a signal COT, multiplexing complete UCI by PUSCH non-scheduling transmission of first K TTIs in the PUSCH non-scheduling transmission of the N continuous TTIs, multiplexing partial UCI by PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the N continuous TTIs, wherein the information contained in the partial UCI is a subset of the information contained in the complete UCI, K is an integer larger than or equal to 1, and N is an integer larger than or equal to 2; and supplementing partial UCI of the PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs into the complete UCI according to the complete UCI of the PUSCH non-scheduling transmission of the first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs.

The above description is only exemplary embodiments of the present application, and is not intended to limit the scope of the present application.

It will be clear to a person skilled in the art that the term user terminal covers any suitable type of wireless user equipment, such as a mobile phone, a portable data processing device, a portable web browser or a car mounted mobile station.

In general, the various embodiments of the application may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. For example, some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device, although the application is not limited thereto.

Embodiments of the application may be implemented by a data processor of a mobile device executing computer program instructions, for example in a processor entity, or by hardware, or by a combination of software and hardware. The computer program instructions may be assembly instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source code or object code written in any combination of one or more programming languages.

Any logic flow block diagrams in the figures of this application may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions. The computer program may be stored on a memory. The memory may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology, such as, but not limited to, Read-Only Memory (ROM), Random-Access Memory (RAM), optical storage devices and systems (Digital versatile disks (DVD), Compact Disks (CD)), etc., computer-readable media can comprise non-transitory storage media, data processors can be of any type suitable to the local technical environment, such as, but not limited to, general purpose computers, special purpose computers, microprocessors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Programmable logic devices (FGPAs), and processors based on a multi-core processor architecture.

Claims

1. A multiplexing method of uplink control information is characterized by comprising the following steps:

when scheduling-free transmission of a Physical Uplink Shared Channel (PUSCH) containing N continuous Transmission Time Intervals (TTI) is included in one Channel Occupation Time (COT), multiplexing complete UCI for the PUSCH scheduling-free transmission of the first K TTIs in the PUSCH scheduling-free transmission of the N continuous TTIs, wherein K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2;

2. The method of claim 1, wherein the complete UCI comprises hybrid automatic repeat request (HARQ) process Identification (ID), New Data Indicator (NDI), Redundancy Version Identification (RVID), and COT sharing information.

3. The method of claim 2, wherein the complete UCI further includes at least one of:

the user equipment identifies the UE ID, cyclic redundancy check, CRC, PUSCH start and end positions/slots, resource configuration index, transmission parameters and code block group transmission information CBGTI.

4. The method according to any of claims 1 to 3, wherein the partial UCI comprises HARQ process ID, NDI, RVID, and the COT sharing information of the partial UCI is determined according to the COT sharing information in the complete UCI of the first K TTIs in the same COT.

5. The method of claim 4, wherein an LBT type and an LBT priority in the COT sharing information in the partial UCI are the same as an LBT type and an LBT priority in the COT sharing information in a complete UCI for a first K TTIs within a same COT, and wherein a remaining COT length in the COT sharing information in the partial UCI is determined according to the remaining COT length in the COT sharing information in the complete UCI for the first K TTIs within the same COT minus a length of a TTI that has been transmitted and does not contain the complete UCI.

6. The method according to any of claims 1 to 3, wherein the partial UCI comprises HARQ process ID and NDI, the COT sharing information of the partial UCI is determined according to COT sharing information in the complete UCI of the first K TTIs in the same COT, and the RVID of the partial UCI is determined by implicit indication.

7. The method according to claim 6, wherein the RVID in the partial UCI is determined according to the HARQ process ID and/or the NDI.

8. The method of claim 7, wherein the NDI of an adjacent scheduling-free transmission that is the same as the HARQ process ID is different from the NDI used for PUSCH transmission using the HARQ process ID, then the RVID is 0;

the NDI of the adjacent scheduling-free transmission which is the same as the HARQ process ID is the same as the NDI used by the PUSCH transmission transmitted by using the HARQ process ID, and then the adjacent scheduling-free transmission and the current transmission are sent according to a predefined Redundancy Version (RV) pattern;

and in scheduling-free transmission of continuous N TTIs in the COT, PUSCH transmission using the same HARQ process ID is sent according to a predefined RV pattern.

9. The method according to any of claims 1 to 3, wherein the partial UCI comprises HARQ process ID, the COT sharing information of the partial UCI is determined according to the COT sharing information in the complete UCI of the first K TTIs in the same COT, and the RVID and NDI of the partial UCI are determined by implicit indication.

10. The method according to claim 9, wherein the NDI in the partial UCI is determined from the HARQ process ID and/or downlink feedback indication, DFI, and/or scheduling information.

11. The method of claim 10, wherein the DFI feedback of the next non-scheduled transmission with the same HARQ process ID is a non-acknowledgement NACK and the PUSCH retransmission for the HARQ process ID is not scheduled by the base station between the next non-scheduled transmission with the same HARQ process ID and the current transmission, then the NDI is the same as the NDI of the next PUSCH transmission with the same HARQ process ID;

the DFI of the adjacent non-scheduling transmission with the same HARQ process ID is fed back as NACK, and the base station schedules PUSCH retransmission of the HARQ process ID between the adjacent non-scheduling transmission with the same HARQ process ID and current transmission, so that the NDI is different from the NDI used by the adjacent non-scheduling transmission with the same HARQ process ID;

the DFI feedback of the adjacent scheduling-free transmission with the same HARQ process ID is ACK, and the NDI is different from the NDI used by the adjacent scheduling-free transmission with the same HARQ process ID;

in the scheduling-free transmission of continuous N TTIs of the COT, NDIs corresponding to TTI transmissions with the same HARQ process ID are the same.

12. The method of claim 9, wherein the NDI in the partial UCI is the same as the NDI in a complete UCI for a first K TTIs within a same COT if the PUSCH for the consecutive N TTIs is not scheduled to transmit a same transport block, TB.

13. The method according to any of claims 1 to 3, wherein the COT sharing information of the partial UCI is determined according to the COT sharing information in the complete UCI of the first K TTIs in the same COT, and the RVID, NDI and HARQ process ID of the partial UCI are determined by implicit indication.

14. The method of claim 13, wherein the HARQ process IDs in the partial UCI are incremented in order of increasing TTIs based on HARQ process IDs in a complete UCI for a first K TTIs within a same COT.

15. The method as claimed in claim 14, wherein if the HARQ process IDs in the partial UCI are incremented in the order of TTI increase based on the HARQ process IDs in the complete UCI for the first K TTIs in the same COT, the determined HARQ process IDs are occupied and/or unreleased HARQ process IDs, the incrementing is continued based on the determined HARQ process IDs, and the first available HARQ process ID is determined to be used;

and if the HARQ process IDs in the part of UCIs are increased according to the increasing sequence of the TTIs and the determined HARQ process ID exceeds the maximum HARQ process ID by increasing based on the HARQ process ID in the complete UCI of the first K TTIs in the same COT, continuing increasing from the minimum HARQ process ID configured for scheduling-free transmission.

16. The method of claim 13, wherein if the PUSCH for the consecutive N TTIs is not scheduled to transmit a same transport block, TB, then the HARQ process ID in the partial UCI is the same as the HARQ process ID in a complete UCI for the first K TTIs within a same COT.

17. The method of any of claims 1 to 3, wherein the portion of the UCI further comprises CBGTI.

18. The method according to any of claims 1 to 3, wherein the UE ID, PUSCH start and end positions/slots, resource configuration index, and transmission parameters in the partial UCI are determined according to the UE ID, PUSCH start and end positions/slots, resource configuration index, and transmission parameters in the complete UCI of the first K TTIs within the same COT.

19. The method according to any of claims 1-3, wherein the CRC in the partial UCI determines whether to include and/or the bit length of the CRC according to the overhead size of the partial UCI.

20. A multiplexing method of uplink control information is characterized by comprising the following steps:

receiving PUSCH (physical uplink shared channel) non-scheduling transmission of continuous N Transmission Time Intervals (TTI) in a Channel Occupied Time (COT), wherein the PUSCH non-scheduling transmission of the first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs multiplexes complete UCI, and the PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs multiplexes partial UCI, wherein the information contained in the partial UCI is a subset of the information contained in the complete UCI, wherein K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2;

and supplementing partial UCI of the PUSCH non-scheduling transmission of the rest N-K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs into complete UCI according to the complete UCI of the PUSCH non-scheduling transmission of the first K TTIs in the PUSCH non-scheduling transmission of the continuous N TTIs.

21. The method of claim 20, wherein the complete UCI comprises hybrid automatic repeat request (HARQ) process Identification (ID), New Data Indicator (NDI), Redundancy Version Identification (RVID), and COT sharing information.

22. The method of claim 21, wherein the complete UCI further includes at least one of:

23. The method of any of claims 20 to 22, wherein the partial UCI comprises HARQ process ID, NDI, RVID, and wherein the COT sharing information of the partial UCI is determined according to COT sharing information in complete UCI of the first K TTIs within the same COT.

24. The method of claim 23, wherein an LBT type and an LBT priority in the COT shared information in the partial UCI are the same as an LBT type and an LBT priority in the COT shared information in a complete UCI for a first K TTIs within a same COT, and wherein a remaining COT length in the COT shared information in the partial UCI is determined according to a remaining COT length in the COT shared information in a complete UCI for a first K TTIs within a same COT minus a length of a TTI that has been received and does not contain a complete UCI.

25. The method of any of claims 20 to 22, wherein the partial UCI includes HARQ process ID, NDI, wherein the COT sharing information of the partial UCI is determined according to COT sharing information in a complete UCI of previous K TTIs within the same COT, and wherein the RVID of the partial UCI is determined by implicit indication.

26. The method according to claim 25, wherein the RVID in the partial UCI is determined from the HARQ process ID and/or the NDI.

27. The method of claim 26, wherein the NDI of an immediate scheduling free reception that is the same as the HARQ process ID is different from the NDI used for PUSCH reception transmitted using the HARQ process ID, then the RVID is 0;

the NDI which is the same as the HARQ process ID and is received by the adjacent scheduling-free receiving is the same as the NDI used by the PUSCH receiving transmitted by the HARQ process ID, and then the adjacent scheduling-free receiving and the current receiving are sent according to a predefined Redundancy Version (RV) pattern;

and in scheduling-free reception of continuous N TTIs in the COT, PUSCH reception using the same HARQ process ID is transmitted according to a predefined RV pattern.

28. The method of any of claims 20 to 22, wherein the partial UCI comprises HARQ process IDs, wherein the COT sharing information of the partial UCI is determined according to COT sharing information in a complete UCI of previous K TTIs within the same COT, and wherein the RVID and the NDI of the partial UCI are determined by implicit indication.

29. The method of claim 28, wherein the NDI in the partial UCI is determined from the HARQ process ID and/or a downlink feedback indication, DFI, and/or scheduling information.

30. The method of claim 29, wherein the DFI feedback of the next non-scheduled reception with the same HARQ process ID is a non-acknowledgement NACK and the base station does not schedule a PUSCH retransmission for the HARQ process ID between the next non-scheduled reception with the same HARQ process ID and the current reception, then the NDI is the same as the NDI of the next PUSCH reception with the same HARQ process ID;

the DFI of the adjacent non-scheduling reception with the same HARQ process ID is fed back as NACK, and the base station schedules PUSCH retransmission of the HARQ process ID between the adjacent non-scheduling reception with the same HARQ process ID and current reception, so that the NDI is different from the NDI used by the adjacent non-scheduling reception with the same HARQ process ID;

the DFI feedback received by the adjacent scheduling-free reception with the same HARQ process ID is ACK, and the NDI is different from the NDI used by the adjacent scheduling-free reception with the same HARQ process ID;

in the scheduling-free reception of N consecutive TTIs of the COT, NDIs corresponding to TTIs with the same HARQ process ID are the same.

31. The method of claim 28, wherein the NDI in the partial UCI is the same as the NDI in a complete UCI for a first K TTIs within a same COT if the PUSCH for the consecutive N TTIs is not scheduled to transmit a same transport block, TB.

32. The method of any of claims 20 to 22, wherein the COT sharing information of the partial UCI is determined according to the COT sharing information in the complete UCI of the first K TTIs in the same COT, and the RVID, NDI and HARQ process ID of the partial UCI are determined by implicit indication.

33. The method of claim 32, wherein the HARQ process IDs in the partial UCI are incremented in order of increasing TTIs based on HARQ process IDs in a complete UCI for a first K TTIs within a same COT.

34. The method as claimed in claim 33, wherein if the HARQ process IDs in the partial UCI are incremented in the order of TTI increase based on the HARQ process IDs in the complete UCI for the first K TTIs in the same COT, the determined HARQ process ID is an occupied and/or unreleased HARQ process ID, then the incrementing is continued based on the determined HARQ process ID to determine to use the first available HARQ process ID;

35. The method of claim 32, wherein the HARQ process ID in the partial UCI is the same as the HARQ process ID in a complete UCI for the first K TTIs within a same COT if the PUSCH for the consecutive N TTIs is not scheduled to transmit a same transport block, TB.

36. The method of any one of claims 20 to 22, wherein the portion of the UCI further comprises CBGTI.

37. The method according to any of claims 20 to 22, wherein the UE ID, PUSCH start and end positions/slots, resource configuration index, transmission parameters in the partial UCI are determined from the UE ID, PUSCH start and end positions/slots, resource configuration index, transmission parameters in the complete UCI of the first K TTIs within the same COT.

38. The method as claimed in any one of claims 20 to 22, wherein the CRC in the partial UCI determines whether to include and/or a bit length of the CRC according to an overhead size of the partial UCI.

39. An uplink control information multiplexing apparatus, comprising:

the complete UCI multiplexing module is configured to multiplex complete UCI for PUSCH (physical uplink shared channel) non-scheduling transmission of first K TTIs (transmission time intervals) in PUSCH non-scheduling transmission of the continuous N TTIs when PUSCH non-scheduling transmission of the continuous N TTIs is included in one channel occupation time COT, wherein K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2;

40. An uplink control information multiplexing apparatus, comprising:

a receiving module, configured to receive PUSCH scheduling-free transmission of a physical uplink shared channel with consecutive N TTI transmission time intervals within a channel occupied time COT, where the PUSCH scheduling-free transmission of the first K TTIs in the PUSCH scheduling-free transmission of the consecutive N TTIs multiplexes a complete UCI, and the PUSCH scheduling-free transmission of the remaining N-K TTIs in the PUSCH scheduling-free transmission of the consecutive N TTIs multiplexes a partial UCI, where the information included in the partial UCI is a subset of information included in the complete UCI, where K is an integer greater than or equal to 1, and N is an integer greater than or equal to 2;