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Sounding reference signals with collisions in asymmetric carrier aggregation

專利號
US11159289B2
公開日期
2021-10-26
申請人
QUALCOMM Incorporated（US CA San Diego）
發(fā)明人
Alberto Rico Alvarino; Wanshi Chen; Peter Gaal; Jing Sun; Hao Xu; Srinivas Yerramalli
IPC分類
H04L5/00; H04L5/14; H04W72/04; H04W56/00
技術領域
srs,ue,uplink,cc,downlink,may,ccs,enb,subframe,in
地域： CA CA San Diego

摘要

An apparatus may use inactive uplink portions of a downlink CC to transmit SRS to an eNB. At times there may be a collision between the SRS transmission and uplink transmissions or downlink transmissions on another CC. The apparatus receives a carrier aggregation configuration for a first downlink CC and a second CC, determines to transmit an uplink transmission on the second CC or to receive a downlink transmission on the second CC, determines that the SRS would at least partially collide with the uplink transmission or the downlink transmission, and determines to adjust at least one of the uplink transmission, the SRS transmission, or reception of the downlink transmission based on the determination of the collision and an interruption time to transmit the SRS in the uplink portion of the first CC.

說明書

The reception component 1906 may receive an indication of a capability from the UE. The CA component 1908 may cause the eNB to perform at least one of receiving an uplink transmission from the UE on a second CC, transmitting a downlink transmission to the UE on the second CC, or receiving the SRS in the uplink portion of the first CC, e.g., based on the CA configuration and/or the information provided by the UE. The apparatus may also include an instruction component 1910 that transmits an instruction to the UE, e.g., as described in connection with 1812 of FIG. 18.

The apparatus may include additional components that perform each of the blocks of the algorithm in the aforementioned flowchart of FIG. 18. As such, each block in the aforementioned flowchart of FIG. 18 may be performed by a component and the apparatus may include one or more of those components. The components may be one or more hardware components specifically configured to carry out the stated processes/algorithm, implemented by a processor configured to perform the stated processes/algorithm, stored within a computer-readable medium for implementation by a processor, or some combination thereof.

權利要求

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