Lenovo (beijing) Limited

Motorola Mobility LLC

Baidu Online Network Technology Co., Ltd.

Lenovo Innovations Limited

Lenovo Limited

Chenxi Zhu

Haipeng Lei

Lianhai Wu

Yi Zhang

Haiming Wang

Xinghua Song

Bingchao Liu

Wei Ling

Lingling Xiao

Hongmei Liu

Zhennian Sun

Xiaodong Yu

Zhi Yan

Yingying Li

Hongchao Li

Yuechao Guo

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

Apparatuses, methods, and systems are disclosed for updating SRS spatial relation information. One method includes transmitting first information indicating SRS spatial relation information for an SRS resource. The SRS spatial relation information includes: SRS spatial relation information identifiers; and an SRS spatial relation information reference signal corresponding to each SRS spatial relation information identifier. The method includes transmitting second information indicating an update to the SRS spatial relation information. The second information includes: a serving cell identifier; a bandwidth part identifier; one or more SRS resource identifiers, one or more SRS resource set identifiers, or a combination thereof; and one or more SRS spatial relation information identifiers. Each of the one or more SRS resource identifiers corresponds to each of the one or more SRS spatial relation information identifiers.

Updating sounding reference signal spatial relation information

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

Embodiments of the present application are related to a method and apparatus for hybrid automatic repeat request-acknowledge (HARQ-ACK) feedback in multi-transmit-receive point (multi-TRP) transmission. An exemplary method of the present application includes: receiving configuration information on HARQ-ACK feedback for physical downlink shared channel (PDSCH), wherein the configuration information at least indicates a plurality of CORESETPoolIndex values and a separate feedback mode for HARQ-ACK feedback excluding that for semi-persistent scheduling (SPS) PDSCH reception associated with different CORESETPoolIndex values, each CORESETPoolIndex value being associated with at least one physical uplink control channel (PUCCH) resource; and transmitting a plurality of HARQ-ACK feedback for SPS PDSCH receptions associated with at least one CORESETPoolIndex value in a time interval using a separate feedback scheme or a joint feedback scheme.

Method and apparatus for HARQ-ACK feedback in multi-TRP transmission

Methods, a base unit and a remote unit are disclosed. According to one embodiment, a method at abase unit, comprise: transmitting higher layer parameters to configure two or more sounding reference signal (SRS) resource sets for a non-codebook based physical uplink share channel (PUSCH) transmission, the SRS resources in same SRS resource set are configured with same spatial relation information, and configuring and transmitting a quasi co-location (QCL) information for a non zero power (NZP) channel state information reference signal (CSI-RS) resource, in the condition that aperiodic NZP CSI-RS resource is associated with the SRS resource set for non-codebook based PUSCH transmission.

SRS configuration for non-codebook based PUSCH transmission

Embodiments of the present disclosure are related to a method and apparatus for power control of a physical uplink control channel (PUCCH) repetition of a PUCCH transmission with one or more beams or multiple transmit-receive points (TRPs). A method according to an embodiment of the present disclosure includes: receiving configuration information regarding a plurality of PUCCH repetitions of a PUCCH transmission, wherein the configuration information includes a plurality of power control parameter sets corresponding to the plurality of PUCCH repetitions; determining power for each PUCCH repetition of the plurality of PUCCH repetitions according to the configuration information and a mapping relationship between the each PUCCH repetition and a power control parameter set of the plurality of power control parameter sets; and transmitting, by using the determined power for the each PUCCH repetition, the each PUCCH repetition in a time interval of a plurality of time intervals.

Method and apparatus for power control of physical uplink control channel repetitions

Methods, a base unit and a remote unit are disclosed. According to one embodiment, a method at a base unit, comprise: transmitting to a remote unit a first message which includes a configuration related to two or more Sounding Reference Signal (SRS) resource groups each of which contains one or more SRS resources for codebook or non-codebook based UL transmission, wherein the one or more SRS resources in one SRS resource groups are transmitted by only one panel; and transmitting to the remote unit a second message which includes a set of power control parameters configured for each SRS resource group, wherein the set of power control parameters includes at least target receiving power, pathloss compensation factor and pathloss reference signal.

Methods and apparatuses that enable panel-specific configuration and 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

Methods and apparatuses for indicating repetition number of PUCCH are disclosed. A base unit comprises a transmitter that transmits a configuration containing an indication of a repetition number of PUCCH, wherein the configuration is determined according to a type of UCI carried in the PUCCH; and a receiver that receives the PUCCH repeatedly with the repetition number.

PUCCH repetition number indication

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

Apparatus and methods of Physical Uplink Control Channel (PUCCH) repetition using multiple beams are disclosed. The apparatus includes: a receiver that receives a configuration data indicating a spatial relation information set for a Physical Uplink Control Channel (PUCCH) resource that is configured with a preset number of repetitions, wherein the spatial relation information set is activated for the PUCCH resource by a Medium Access Control (MAC) Control Element (CE); and a transmitter that transmits each of the PUCCH repetitions in multiple time intervals according to a mapping between the spatial relation information set and each repetition.

Apparatus and method of PUCCH repetition using multiple beams

Methods, a remote unit and abase unit are disclosed. According to one embodiment, a method at abase unit, comprising: transmitting, to a remote unit, multiple power control parameters for physical uplink control channel (PUCCH) by higher layers signaling; and transmitting, to the remote unit, a transmit power control (TPC) command with downlink control information (DCI) format 2_2 scrambled by transmit power control-physical uplink control channel-radio network temporary identity (TPC-PUCCH-RNTI), wherein the power control parameters include more than 8 P0 values and more than 4 pathloss reference signals (PL-RSs).

Power control for PUCCH transmissions with multiple TRPs

Embodiments of the present disclosure are directed to methods and apparatuses for PT-RS mapping. In an embodiment of the present disclosure, the method includes transmitting a first set of phase-tracking reference signals in a first plurality of subcarriers within a first resource block set associated with a first TCI state with a first frequency density; transmitting a second set of phase-tracking reference signals in a second plurality of subcarriers within a second resource block set associated with a second TCI state with a second frequency density, where the first resource block set and the second resource block set are frequency division multiplexed in a time interval and a third resource block set composed of the first resource block set and the second resource block set is scheduled by a DCI.

Growing community of inventors

Beijing, China

Chenxi Zhu