Determination of demodulation reference signal and phase tracking reference signal parameters

    公开(公告)号:US10708024B2

    公开(公告)日:2020-07-07

    申请号:US16657883

    申请日:2019-10-18

    Abstract: Methods, systems, and devices for wireless communications are described. One method may include receiving radio resource control signaling configured with a first set of demodulation reference signal parameters for transmission of an uplink data channel of a type, receiving downlink control information of a format to activate the transmission of the uplink data channel, identifying a second set of demodulation reference signal parameters for transmission of the uplink data channel of the type based on the received downlink control information, and activating the transmission of the uplink data channel using the first and second set of demodulation reference signal parameters.

    Antenna port compatibility signaling
    514.
    发明授权

    公开(公告)号:US10674351B2

    公开(公告)日:2020-06-02

    申请号:US16007771

    申请日:2018-06-13

    Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) capable of supporting multiple antenna ports may determine that some combinations of antenna ports can be used simultaneously. The UE may make this determination by evaluating the relationships between the physical antennas and the transmit chains included in the UE. Upon determining that the combinations of antenna ports can be used simultaneously, the UE may send a message to a base station. The message may indicate whether two or more antenna ports can be used at the same time. The UE may communicate simultaneously over one or more antenna ports based on the scheduling information from the base station which takes into account the ability of the combination of antenna ports to be used concurrently.

    DETERMINATION OF DEMODULATION REFERENCE SIGNAL AND PHASE TRACKING REFERENCE SIGNAL PARAMETERS

    公开(公告)号:US20200162216A1

    公开(公告)日:2020-05-21

    申请号:US16657883

    申请日:2019-10-18

    Abstract: Methods, systems, and devices for wireless communications are described. One method may include receiving radio resource control signaling configured with a first set of demodulation reference signal parameters for transmission of an uplink data channel of a type, receiving downlink control information of a format to activate the transmission of the uplink data channel, identifying a second set of demodulation reference signal parameters for transmission of the uplink data channel of the type based on the received downlink control information, and activating the transmission of the uplink data channel using the first and second set of demodulation reference signal parameters.

    CONFIGURING A MAXIMUM NUMBER OF LAYERS
    516.
    发明申请

    公开(公告)号:US20200154267A1

    公开(公告)日:2020-05-14

    申请号:US16679074

    申请日:2019-11-08

    Abstract: Methods, systems, and devices for wireless communications are described. Generally, a user equipment (UE) may send a capabilities report to a base station. The capabilities report may include an explicit indication that the UE is capable of receiving a maximum layer radio resource control (RRC) parameter, or may include ambiguous (e.g., multiple) capabilities. The base station may receive the capabilities report, and may determine whether to transmit a maximum layer RRC parameter based on the explicit indication, or the ambiguous capabilities, which indicates a maximum number of layers to be used for subsequent communications. If the UE is capable of receiving the maximum layer RRC parameter, the base station may send the maximum layer RRC parameter to the UE, and may perform wireless communications according to the indicated maximum number of layers.

    CARRIER SWITCHING AND ANTENNA SWITCHING FOR A TARGET CARRIER COMBINATION

    公开(公告)号:US20200045685A1

    公开(公告)日:2020-02-06

    申请号:US16521186

    申请日:2019-07-24

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may receive information identifying one or more antenna switching capabilities and one or more carrier switching capabilities for a user equipment (UE), wherein the UE is associated with a baseline carrier combination; and determine an antenna switching capability for a target carrier combination based at least in part on the one or more antenna switching capabilities or the one or more carrier switching capabilities, wherein the target carrier combination is different than the baseline carrier combination. Numerous other aspects are provided.

    BANDWIDTH PART SWITCHING FOR MULTIPLE TRANSCEIVER NODES

    公开(公告)号:US20200029331A1

    公开(公告)日:2020-01-23

    申请号:US16517509

    申请日:2019-07-19

    Abstract: Methods, systems, and devices for wireless communications are described. A UE may monitor a first bandwidth part for communications from one or more transceiver nodes. The UE may receive a control message on the first bandwidth part from a first transceiver node that includes an indication of a second bandwidth part different from the first bandwidth part. The UE may determine whether the second bandwidth part is associated with each of the transceiver nodes. The UE may communicate with a second transceiver node on the second bandwidth part based on the control message and on a determination that the second bandwidth part is associated with the second transceiver node.

    Increasing reference signal density in wireless communications

    公开(公告)号:US10469298B2

    公开(公告)日:2019-11-05

    申请号:US15976169

    申请日:2018-05-10

    Abstract: Aspects herein describe increasing density of reference signal transmissions in wireless communications. A plurality of reference signal configurations, each indicating resource elements for one or more antenna ports over which reference signals for the one or more antenna ports are scheduled for transmission, can be received. An association configuration indicating an association between at least two antenna ports as having similar channel characteristics can also be received. A plurality of reference signals can be received in the resource elements corresponding to the at least two antenna ports as indicated in the at least two of the plurality of reference signal configurations, which can be used to perform a channel measurement of the similar channel characteristics of channels of the at least two antenna ports over at least a portion of the plurality of reference signals.

    UPLINK SIGNALING OF DIRECT CURRENT (DC) TONE LOCATION IN NEW RADIO (NR)

    公开(公告)号:US20190313394A1

    公开(公告)日:2019-10-10

    申请号:US16378401

    申请日:2019-04-08

    Abstract: Wireless communications systems and methods related to signaling of direct current (DC) locations of user equipment devices (UEs) in a new radio (NR) network are provided. A wireless communication device receives, from a base station, at least one of a carrier aggregation (CA) configuration or a bandwidth part (BWP) configuration. The wireless communication device determines a direct current (DC) location based on at least one of the CA configuration or the BWP configuration. The wireless communication device transmits, to the base station, a report based on the determined DC location. The wireless communication device communicates, with the base station, a phase tracking reference signal (PTRS) configured based on the report.

Patent Agency Ranking