Lenovo (beijing) Limited

Yi Zhang

Wei Ling

Bingchao Liu

Chenxi Zhu

Lingling Xiao

Haiming Wang

Lianhai Wu

Hongmei Liu

Yuantao Zhang

Zhi Yan

Methods and apparatuses for associating aperiodic SRS triggering state(s) with SRS resource sets or SRS CC sets are disclosed. A method comprises transmitting an Activation/Deactivation MAC CE to indicate or update the association between aperiodic SRS triggering state(s) and the aperiodic SRS resource set(s) for the SRS request field value carried by DCI format 0_1 or 1_1 or DCI format 2_3 with a higher layer parameter srs-TPC-PDCCH-Group=typeB or the SRS CC set(s) for the SRS request field value carried by DCI format 2_3 with the higher layer parameter srs-TPC-PDCCH-Group=typeA.

Aperiodic SRS triggering and transmission

Apparatus and methods of span level TDM PDCCH transmission are disclosed. The apparatus includes: a receiver that receives a capability report from a device, wherein the capability report comprises Physical Downlink Control Channel (PDCCH) monitoring capability and/or beam switching capability of the device; a processor that generates PDCCH transmission parameters, based on the capability report, for transmitting a Downlink Control Information (DCI) with a plurality of PDCCH transmissions with span level repetitions; wherein the processor further configures, based on the PDCCH transmission parameters, a plurality of resources for transmitting the DCI, and a search space set for DCI detection in a PDCCH monitoring occasion set; and a transmitter that transmits the DCI in a plurality of DCI versions with the plurality of PDCCH transmissions using the plurality of resources.

Apparatus and methods of span level TDM PDCCH transmission

Methods and apparatuses for determining default spatial relation and default PL-RS are disclosed. A method comprises determining a default spatial relation and a default pathloss reference RS (PL-RS) for transmission of uplink resource on a serving cell without configured CORESET, the uplink resource is configured with neither higher layer parameter related to spatial relation nor higher layer parameter related to PL-RS, and the higher layer parameter related to enable default beam for the uplink resource is set to 'enable', and transmitting the uplink resource according to the determined default spatial relation and the power determined by the determined default PL-RS.

Default beam determination for uplink signal transmission

Apparatus and methods of dynamic DAI counting and HARQ-ACK codebook generation for enhanced PDCCH transmission are disclosed. The apparatus includes: a processor that generates a common Downlink Assignment Indicator (DAI) value for a set of Physical Downlink Control Channel (PDCCH) transmissions, wherein the set of PDCCH transmissions are used to transmit first Downlink Control Information (DCI) that schedules a common Physical Downlink Shared Channel (PDSCH) transmission, and the common DAI value is generated based on a first reference PDCCH, wherein the first reference PDCCH is one of the PDCCH transmissions; a transmitter that transmits the first Downlink Control Information (DCI) with the set of PDCCH transmissions; and a receiver that receives a Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) codebook with feedback information bits ordered based on a second reference PDCCH, wherein the second reference PDCCH is one of the PDCCH transmissions.

Dynamic downlink assignment indicator (DAI) counting and hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook generation for enhanced physical downlink control channel (PDCCH) transmission

Methods and apparatuses for determining default beam(s) are disclosed. A method comprises receiving an activation command for the activated BWP of a serving cell, wherein the activation command contains codepoints pointing to TCI state(s), and at least one codepoint points to two TCI states; and determining default TCI state(s) for reception of downlink signal according to the TCI state(s) used for receiving the PDCCH or at least one TCI state pointed to by a codepoint pointing to two TCI states, when a scheduling offset between a reception of the PDCCH carrying DCI and the corresponding downlink signal scheduled or triggered by the DCI is less than a predetermined threshold.

Default beam determination

Embodiments of the present disclosure are directed to a method and apparatus for power control of configured grant PUSCH repetition. A method according to an embodiment of the present application may include: receiving a configuration including a mapping transmitting a configuration for a configured grant pattern and a plurality of pathloss reference RS Ids for a configured PUSCH transmission which is configured to be grant physical uplink shared channel (PUSCH) transmission, which transmitted in a plurality of time intervals repeatedly is configured to be transmitted in a plurality of time intervals repeatedly by higher layer signaling; determining a power of each PUSCH repetition of the configured grant PUSCH transmission based on the configuration; and transmitting the configured grant PUSCH transmission in the plurality of time intervals repeatedly based on the de-ermined power of each PUSCH repetition of the PUSCH transmission and the mapping pattern.

Method and apparatus for power control of configured grant PUSCH repetition

Embodiments of the present application relate to a method and an apparatus for reducing operations of monitoring PDCCH. According to an embodiment of the present application, a method can include: receiving configuration information indicating a plurality of search space sets and an activation or deactivation state for each search space set of the plurality of search space sets; and receiving an activation-deactivation indication in first downlink control information (DCI) in a first search space set in an activation state of the plurality of search space sets, wherein the activation-deactivation indication is configured to: trigger switching at least one second search space set of the plurality of search space sets from a deactivation state to an activation state; or trigger switching the at least one second search space set of the plurality of search space sets from an activation state to a deactivation state. Embodiments of the present application can save power and enhance the battery lifetime for the NR-Light UEs.

Method and apparatus for reducing operations of monitoring PDCCH

Apparatus and methods of joint search space set for enhanced PDCCH transmission with multiple beams from multiple TRPs are disclosed. The apparatus includes: a processor that generates a plurality of versions of Downlink Control Information (DCI) for transmission from a plurality of transmitting-receiving identities with a plurality of Control Resource Sets (CORESETs), each CORESET being transmitted from one of the transmitting-receiving identities; and configures an Information Element (IE) indicating a joint search space set for the DCI, wherein the joint search space set comprises a plurality of component search space sets; and a transmitter that transmits the DCI and the IE using the plurality of transmitting-receiving identities; wherein each one of the component search space sets is configured for monitoring and detecting one DCI version.

Apparatus and method of joint search space set for enhanced PDCCH transmission with multiple beams from multiple TRPs

Apparatus and methods of resource mapping for enhanced PDCCH transmission with multiple beams from multiple TRPs are disclosed. The apparatus includes: a processor that determines transmission resources capable of transmitting Physical Downlink Control Channel (PDCCH) using a Control Resource Set (CORESET) by a plurality of wireless transmitting-receiving identities including a first identity and a second identity; and determines a resource candidate from the transmission resources for transmitting the PDCCH; where the resource candidate includes a first resource group having a first set of Resource Elements (REs) for transmission by the first identity, and a second resource group having a second set of REs for transmission by the second identity; and a transmitter that transmits the PDCCH using the resource candidate.

Apparatus and method of resource mapping for enhanced PDCCH transmission with multiple beams from multiple TRPs

Apparatus and methods of enhanced CSI feedback for enhanced PDCCH transmission with multiple beams from multiple TRPs are disclosed. The apparatus includes: a receiver that receives a Channel State Information (CSI) report configuration for Physical Downlink Control Channel (PDCCH) transmission using a plurality of transmitting-receiving identities; receives a CSI resource configuration indicating CSI resources from the transmitting-receiving identities; and receives a Reference Signal (RS) and/or a Synchronization Signal Block (SSB) in the CSI resources from the transmitting-receiving identities; a processor that generates a CSI report based on the Reference Signal (RS) and/or the Synchronization Signal Block (SSB) received, in a format according to the CSI report configuration; and a transmitter that transmits the CSI report generated.

Apparatus and method of enhanced channel state information (CSI) feedback for enhanced physical downlink control channel (PDCCH) transmission with multiple beams from multiple transmit receive points (TRPs)

Methods and apparatuses for configuring PUSCH pathloss reference signal for SRI PUSCH power control are disclosed. A method comprises configuring PUSCH pathloss reference signal for one or more SRI PUSCH power controls by using a MAC CE, and transmitting a PDSCH carrying the MAC CE.

MAC CE for configuring pathloss reference signal for PUSCH

Methods and apparatuses for configuring pathloss reference signal to SRS resource set(s) are disclosed. A method comprises configuring pathloss reference signal for one or more SRS resource sets by using a MAC CE and transmitting a PDSCH carrying the MAC CE.

Media Access Control (MAC) Control Element (CE) for configuring pathloss reference signal for Sounding Reference Signal (SRS)

Embodiments of the present application relate to a method and an apparatus for uplink data transmission. According to an embodiment of the present application, a method can include: transmitting first message for subsequent data transmission from a UE; receiving information indicating a set of demodulation reference signal (DMRS) parameters; and determining at least one DMRS parameter for the subsequent data transmission from the UE based on the received information. Embodiments of the present application provide a technical solution for uplink data transmission for a UE in a RRC INACTIVE state. Accordingly, embodiments of the present application can facilitate the implementation of uplink (UL) data transmission for the UE in the RRC INACTIVE state.

Method and apparatus for uplink data transmission

Methods and apparatuses for transmission of power control command are disclosed. In one embodiment, a method at a UE comprises receiving two or more TPC commands for PUCCH resources of the UE in a cell, each PUCCH resource is associated with a higher layer index value configured for a CORESET, determining a TPC command for each PUCCH resource according to the higher layer index value; and transmitting each PUCCH resource using the power according to the determined TPC command.

Growing community of inventors

Chao Yang District, China

Yi Zhang