CHANNEL ESTIMATION METHOD, TRANSMITTING TERMINAL DEVICE, AND RECEIVING TERMINAL DEVICE

Title:

CHANNEL ESTIMATION METHOD, TRANSMITTING TERMINAL DEVICE, AND RECEIVING TERMINAL DEVICE

Document Type and Number:

WIPO Patent Application WO/2017/113959

Kind Code:

A1

Abstract:

The embodiments of the present invention provide a channel estimation method, comprising: generating a subframe, said subframe comprising a plurality of resource block pairs, the two resource blocks contained in each resource block pair being carried by the same set of consecutive subcarriers and belonging to different time slices; each resource block pair containing a plurality of demodulation resource element groups, and each demodulation resource element group containing a plurality of resource elements; each demodulation resource element group carrying a plurality of demodulation reference signals of an active antenna port; within each resource block pair, the quantity of demodulation resource element groups carried by the demodulation reference signal of the same active antenna port correlates to the quantity of active antenna ports associated with the subframe; sending the subframe. In the technical solutions provided by the embodiments of the present invention, it is possible, according to the quantity of active antenna ports associated with each subframe, to set the quantity of demodulation resource element groups carried by the demodulation reference signal of the same active antenna port within the plurality of resource block pairs of the subframe; thus the allocation of resources carried by a demodulation reference signal is made more flexible.

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Inventors:

CHEN DAGENG (CN)
LIU JIN (CN)
LIU YONG (CN)
SHI HONGZHE (CN)

Application Number:

PCT/CN2016/103266

Publication Date:

July 06, 2017

Filing Date:

October 25, 2016

Export Citation:

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Assignee:

HUAWEI TECH CO LTD (CN)

International Classes:

H04L5/00

Domestic Patent References:

WO2014038865A1

2014-03-13

Foreign References:

CN102859900A	2013-01-02
CN103841644A	2014-06-04
US20120121031A1	2012-05-17
CN102282899A	2011-12-14

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