BEAM-SPECIFIC TIMING ADVANCE FOR TIMING RESPONSE TRANSMISSION FOR ROUND-TRIP-TIME ESTIMATION

    公开(公告)号:US20200028768A1

    公开(公告)日:2020-01-23

    申请号:US16418863

    申请日:2019-05-21

    Abstract: Disclosed are techniques for determining a beam-specific timing advance for Round-Trip Time (RTT) estimation. In an aspect, a first node receives a plurality of beams transmitted by a second node on a wireless channel, selects a first beam from the plurality of beams for transmitting a timing response, determines a timing statistic, a timing difference, and a timing advance for the first beam, wherein the timing difference comprises a difference between the timing statistic and an earliest time of arrival of the plurality of beams, and wherein the timing advance comprises a multiple of the timing difference, and transmits the timing response for the first beam to the second node on the wireless channel, wherein the first node transmits the timing response after a time delay from the timing statistic of the first beam, wherein the time delay comprises a difference between a predetermined time delay and the timing advance.

    POSITIONING REFERENCE SIGNAL TRANSMISSION WITH CONTROLLED TRANSMISSION POWER AND BANDWIDTH

    公开(公告)号:US20200007288A1

    公开(公告)日:2020-01-02

    申请号:US16438169

    申请日:2019-06-11

    Abstract: Disclosed are techniques for transmitting reference signals (RS) for positioning. A method comprises transmitting or providing an instruction to transmit a first set of RS to a user equipment (UE) in accordance with a first set of RS transmission parameters, receiving a report containing information indicating whether a measurement performed by the UE is limited by a signal-to-noise ratio (SNR) of the first set of RS or a bandwidth of the first set of RS, determining a second set of RS transmission parameters using the received report, wherein the second set of RS transmission parameters is different from the first set of RS transmission parameters, and transmitting a second set of RS to the UE in accordance with the second set of RS transmission parameters, or providing the second set of RS transmission parameters to a base station.

    CELL-SPECIFIC INTERLEAVING, RATE-MATCHING, AND/OR RESOURCE ELEMENT MAPPING

    公开(公告)号:US20190109670A1

    公开(公告)日:2019-04-11

    申请号:US16151125

    申请日:2018-10-03

    Abstract: The present disclosure provides for inter-cell interference randomization between two or more cells. For example, a network entity may determine a cell identifier associated with the network entity and perform at least one of an interleaving, rate-matching, or resource element mapping on at least one codeword based on the cell identifier. The network entity may further communicate with a user equipment (UE) in accordance with performing at least one of the interleaving, rate-matching, or resource element mapping on the at least one codeword. In another example, a UE may receive a message from a network entity on a communication channel and identify a cell identifier associated with the network entity. The UE may further perform at least one of a de-interleaving, de-rate-matching, or resource element de-mapping on the message based on the cell identifier.

    REFERENCE SIGNAL DESIGN
    60.
    发明申请

    公开(公告)号:US20190020517A1

    公开(公告)日:2019-01-17

    申请号:US16028308

    申请日:2018-07-05

    Abstract: Certain aspects of the present disclosure relate to methods and apparatus for generating and communicating reference signals. Certain aspects provide a method for communicating reference signals. The method includes selecting a reference sequence of a plurality of reference sequences to transmit in a cell in a synchronization signal block (SSB) based at least on a logical value, wherein the logical value is determined based on a SSB index indicating a location of the SSB within a set of resources of a plurality of sets of resources and at least one of a cell ID of the cell, a set index indicating a location of the set of resources within the plurality of sets of resources, or a second value based on system information corresponding to the cell; and transmitting the selected reference sequence in the SSB.

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