METHOD AND APPARATUS FOR TRANSMITTING CHANNEL INFORMATION REPORT MESSAGE IN CLOUD RADIO ACCESS NETWORK (C-RAN) ENVIRONMENT
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United States of America Patent
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Jun 30, 2016
app pub date -
Dec 30, 2014
filing date -
Dec 30, 2014
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Abstract
A method and apparatus for transmitting a channel information report message in a cloud radio access network (C-RAN) environment are disclosed. A method for transmitting a channel information report message by a user equipment (UE) under a cloud radio access network (C-RAN) environment includes: receiving a reference signal (RS) including a reference signal (RS) configuration indicator from a specific base station (BS) contained in a UE-oriented virtual cell formed by the UE; measuring channel information regarding each of one or more base stations (BSs) contained in the UE-oriented virtual cell on the basis of the RS configuration indicator; and transmitting a channel information report message including the measured channel information to the specific base station (BS), wherein the RS configuration indicator includes one or more RS resources used for channel information measurement, and the one or more RS resources are allocated to one or more base stations (BSs) contained in the UE-oriented virtual cell.
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