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Reference signal transmission method and device

A technology of reference signal and transmission method, which is applied in the field of reference signal transmission method and device, and can solve the problems such as the determination method of the timing relationship between trigger time and transmission time of aperiodic reference signal, etc.

Active Publication Date: 2019-07-19
DATANG MOBILE COMM EQUIP CO LTD
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  • Description
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Problems solved by technology

[0004] In the NR (5G) system, the method for determining the timing relationship between the trigger time and the transmission time of the aperiodic reference signal has not yet been given

Method used

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  • Reference signal transmission method and device
  • Reference signal transmission method and device
  • Reference signal transmission method and device

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Embodiment Construction

[0157]In the following, some terms used in the embodiments of the present application are explained, so as to facilitate the understanding of those skilled in the art.

[0158] (1) In the embodiments of this application, the terms "network" and "system" are often used interchangeably, but those skilled in the art can understand their meanings.

[0159] (2) The term "multiple" in the embodiments of the present application refers to two or more, and other quantifiers are similar.

[0160] (3) "And / or", which describes the association relationship of associated objects, means that there can be three kinds of relationships, for example, A and / or B, which can mean: A exists alone, A and B exist simultaneously, and B exists independently. Happening. The character " / " generally indicates that the contextual objects are an "or" relationship.

[0161] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction wi...

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Abstract

The invention discloses a reference signal transmission method and device. In the application, a base station sends a first reference signal trigger or activation signaling to a terminal, and the first reference signal trigger or activation signaling is used for indicating the terminal to send a first reference signal according to resource configuration information of the first reference signal; the base station receives a first reference signal sent by the terminal according to the first reference signal triggering or activating signaling; wherein the starting sending time unit of the first reference signal is determined according to the starting sending time unit of a second reference signal associated with the first reference signal, and the second reference signal is a downlink reference signal.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a reference signal transmission method and device. Background technique [0002] In existing communication systems, some reference signals are transmitted after being configured. For example, a periodic reference signal (such as a periodic sounding reference signal (sounding reference signal, SRS), a periodic channel state information reference signal (channel state information-reference signals, CSI-RS)), as long as the reference signal resource is configured, Then the transmission of the reference signal is performed periodically. Some reference signals are not transmitted immediately after being configured, but can only be transmitted after being triggered. For example, an aperiodic reference signal in a long term evolution (long term evolution, LTE) system starts to be transmitted only after the base station sends an activate (activate) signaling to t...

Claims

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Application Information

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IPC IPC(8): H04L5/00
CPCH04L5/0048H04L5/0078
Inventor 黄秋萍拉盖施高秋彬陈润华
Owner DATANG MOBILE COMM EQUIP CO LTD
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