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Sounding reference signals with collisions in asymmetric carrier aggregation

專利號(hào)
US11159289B2
公開日期
2021-10-26
申請(qǐng)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(shù)領(lǐng)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 processing system 2014 may be coupled to a transceiver 2010. The transceiver 2010 is coupled to one or more antennas 2020. The transceiver 2010 provides a means for communicating with various other apparatus over a transmission medium. The transceiver 2010 receives a signal from the one or more antennas 2020, extracts information from the received signal, and provides the extracted information to the processing system 2014, specifically the reception component 1904. In addition, the transceiver 2010 receives information from the processing system 2014, specifically the transmission component 1906, and based on the received information, generates a signal to be applied to the one or more antennas 2020. The processing system 2014 includes a processor 2004 coupled to a computer-readable medium/memory 2006. The processor 2004 is responsible for general processing, including the execution of software stored on the computer-readable medium/memory 2006. The software, when executed by the processor 2004, causes the processing system 2014 to perform the various functions described supra for any particular apparatus. The computer-readable medium/memory 2006 may also be used for storing data that is manipulated by the processor 2004 when executing software. The processing system 2014 further includes at least one of the components 1904, 1906, 1908, 1910. The components may be software components running in the processor 2004, resident/stored in the computer readable medium/memory 2006, one or more hardware components coupled to the processor 2004, or some combination thereof. The processing system 2014 may be a component of the eNB 310 and may include the memory 376 and/or at least one of the TX processor 316, the RX processor 370, and the controller/processor 375.

權(quán)利要求

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