Lenovo (beijing) Limited

Lenovo Limited

Lingling Xiao

Bingchao Liu

Wei Ling

Chenxi Zhu

Yi Zhang

Lianhai Wu

Hongmei Liu

Hongchao Li

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

Apparatuses, methods, and systems are disclosed for data transmissions using multiple transmission reception points. One method () includes transmitting () a downlink control information format in a downlink control channel to a user equipment, wherein: the downlink control information format comprises a transmission configuration indication field; the transmission configuration indication field indicates two transmission configuration indication states; and each transmission configuration indication state of the two transmission configuration indication states contains parameters for configuring a quasi-colocation relationship associating at least one downlink reference signal resource with a demodulation reference signal of a downlink data channel. The method () includes transmitting () the downlink data channel from two transmission reception points, wherein each transmission reception point of the two transmission reception points transmits each data layer of one or more data layers and a demodulation reference signal associated with each data layer.

Data transmissions using multiple transmission reception points

Apparatuses, methods, and systems are disclosed for channel state information reference signal resource pairs. One method () includes transmitting () information indicating: at least one pair of channel state information reference signal resources; wherein the information comprises one or more identifiers, and each identifier of the one or more identifiers corresponding to the at least one pair of channel state information reference signal resources.

Channel state information reference signal resource pairs

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

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.

Method and apparatus for PT-RS mapping

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

The present application is related to a method and apparatus for transmitting Scell beam failure recovery requests under 3GPP 5G New Radio (NR) technology. A method includes: in response to detection of a Scell beam failure, computing a time interval between the detection of the Scell beam failure and an available physical uplink shared channel (PUSCH) subsequent to the detection of the Scell beam failure; comparing the time interval with a time threshold; and determining whether to transmit at least one failed component carrier (CC) index associated with the detection of the Scell beam failure in the available PUSCH based on a result of comparing between the time interval and the time threshold.

Method and apparatus for transmitting Scell beam failure recovery requests

The present application relates to a user equipment, a base station and method for transmitting uplink control information to multiple transmission reception points. The base station transmits a configuration to the user equipment. The user equipment is indicated by the configuration that a plurality of uplink control information are associated with a designated index. When the plurality of uplink control information associated with the designated index are ready to be transmitted, the user equipment transmits the plurality of uplink control information to the base station. The base station receives the plurality of uplink control information associated with the designated index.

User equipment, base station and method for transmitting uplink control information to multiple transmission reception points

Apparatus and methods of Uplink Control Information (UCI) multiplexing in Physical Uplink Control Channel (PUCCH) resources for multiple Transmit Receive Points (TRPs) are disclosed. The apparatus includes: a processor that determines a first group PUCCH resources associated with a first identity for transmitting a first set of UCIs associated with the first identity, and a second group of PUCCH resources associated with a second identity for transmitting a second group of UCIs associated with the second identity, wherein the first set of UCIs and the second set of UCIs are expected to be transmitted in a same time interval; and a third group of PUCCH resources comprising at least one PUCCH resource selected from the first group of PUCCH resources and the second group of PUCCH resources; and a transmitter that transmits the third group of PUCCH resources in the time interval.

Apparatus and method of UCI multiplexing in PUCCH resources for multiple TRPs

Embodiments of the present disclosure relate to a method and apparatus for Multiple-Input Multiple-Output (MIMO) communication. According to an embodiment of the present disclosure, a method can include: transmitting downlink pre-emption configuration information to a user equipment (UE), wherein the downlink pre-emption configuration information comprises a first indication indicating a start position of a first pre-emption indication within first downlink control information (DCI); transmitting the first DCI comprising the first pre-emption indication to the UE. Embodiments of the present disclosure provide methods for pre-emption indication in multi-TRP transmission.

Communication methods and apparatuses

Apparatus and methods of physical uplink control channel (PUCCH) transmission and reception in multiple transmit receive points (TRPs) are disclosed. The apparatus includes a transmitter for selectively transmitting a first physical uplink control channel (PUCCH) resource to a first identity, and selectively transmitting a second PUCCH resource to a second identity, wherein each one of the PUCCH resources carries a set of uplink control information (UCI); and a processor that determines whether there is an overlap between the first PUCCH resource and the second PUCCH resource.

Growing community of inventors

Beijing, China

Lingling Xiao