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    • 6. 发明授权
    • Method, device and computer readable medium of communication
    • US12101142B2
    • 2024-09-24
    • US17786070
    • 2020-01-14
    • NOKIA TECHNOLOGIES OY
    • Nuan Song
    • H04B7/02H04B7/0456
    • H04B7/0456
    • Embodiments of the present disclosure relate to methods, devices and computer readable storage media of communication. A network device transmits, to a terminal device, channel state information reference signals associated with first number of ports at the network device; receives, from the terminal device, compressed channel state information generated based on capability of the terminal device; and recoveries, from the compressed channel state information, channel state information associated with second number of ports at the network device, the second number of ports being not less than the first number of ports. The terminal device receives, from the network device, the channel state information reference signals associated with the first number of ports at the network device; determines channel state information based on the channel state information reference signals; compresses the channel state information based on capability of the terminal device; and transmits the compressed channel state information to the network device for recovery of the channel state information associated with the second number of ports. As such, CSI can be acquired more accurately with reduced complexity and overhead.