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Reference signal sending method and apparatus

A technology of reference signal and transmission method, applied in the field of communication, to achieve the effect of perfecting the transmission mechanism

Active Publication Date: 2017-12-29
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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Problems solved by technology

That is, multiple SS blocks may be continuous, or there may be a certain interval

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  • Reference signal sending method and apparatus
  • Reference signal sending method and apparatus

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Embodiment Construction

[0060] Embodiments of the present application provide a reference signal sending method and device, so as to realize the sending of reference signals in NR.

[0061] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0062] The reference signal sending method provided by the embodiment of the present invention is not only applicable to the sending of the traditional LTE reference signal, but als...

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Abstract

The embodiment of the invention discloses a reference signal sending method and apparatus for sending a reference signal in an NR. The method comprises the following steps: determining distribution information of one or more synchronizing signal blocks contained in the reference signal on a time domain symbol, wherein each synchronizing signal block is distributed in a plurality of continuous time domain symbols; detecting whether a channel used for sending the reference signal is idle; if so, sending the reference signal on the channel according to the distribution information. The technical scheme improves the sending mechanism of the reference signal, and the sending mechanism of the reference signal can be applicable to the sending of the reference signal in the NR.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for sending a reference signal. Background technique [0002] In the case of traditional LTE (Long Term Evolution, long-term evolution) assistance, the unlicensed spectrum uses the LTE mechanism, and its DRS (Discovery Signal, Discovery Reference Signal) includes PSS / SSS (Primary Synchronization Signal / Secondary Synchronization Signal), CRS (Cell Reference Signal, cell reference signal) and optional CSI-RS (Channel Condition Information-Reference Signal, channel state information reference signal), occupying 12 consecutive symbols in total. Before sending the DRS, the base station needs to detect whether the 25us channel is idle. If the channel is idle and the remaining time in the subframe is greater than or equal to 12 complete symbols, then send the DRS. But in NR (New Radio, new wireless), in order to reduce the CRS that is always on, the C...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00
CPCH04L5/0048
Inventor 李明菊张云飞
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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