UNLICENSED BAND REFERENCE SIGNAL SENDING METHOD, RECEIVING METHOD AND DEVICES
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United States of America Patent
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Dec 30, 2015
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Jan 28, 2015
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Abstract
An Unlicensed Band (Uband) reference signal sending method, receiving method and devices are provided, a Uband channel includes multiple predetermined candidate transmission positions for transmitting a reference signal, and each candidate transmission position is a transmission occasion for the reference signal. The sending method includes that: an Evolved Node B (eNB) senses whether the Uband channel is idle or not at all or part of the candidate transmission positions, and determines idle candidate transmission positions; and the eNB selects to send the reference signal to User Equipment (UE) at all or part of the idle candidate transmission positions according to historical Uband channel contention state information.
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