TRANSMISSION OF PROBING REFERENCE SIGNALS FOR EXPANDED AGGREGATION OF CARRIERS Russian patent published in 2020 - IPC H04L5/00 

FIELD: wireless communication.

SUBSTANCE: wireless communication method comprises: transmitting (1605) an indication of the capability of the UE, such as implementing a CA, an uplink (UL); reception (1610) of CA configuration and auxiliary UL configuration, wherein the CA configuration comprises one or more carriers (305-a) configured for transmitting UL data, and the auxiliary UL configuration comprises one or more carriers (305-b, 305-c), configured to transmit UL reference signals, wherein the CA configuration is based on the UE capability, and the auxiliary UL configuration is based on the CA configuration and the UE capability; SRS transmission (1615) using said one or more carrier (305-b, 305-c) auxiliary UL configuration; identification (1620) of one or more switching symbols at least partially based on the transmitted SRS or SRS location, or both; matching transmission speed or piercing (1625) of UL data transmission at least partially based on one or more switching symbols; and initiation (1630) of transmitting UL data during a symbol period after said one or more switching characters.

EFFECT: technical result is enabling more accurate channel estimation for each component carrier (CC) in a carrier aggregation (CA) configuration and high efficiency of the wireless communication system.

15 cl, 19 dwg