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Information transmission method, base station and terminal

An information transmission and terminal technology, applied in the field of information transmission, can solve the problem that the use efficiency of spectrum resources in wireless communication is not enough to meet the demand, and achieve the effect of improving the utilization efficiency and meeting the transmission demand

Active Publication Date: 2016-06-01
SHENZHEN TRANSSION HLDG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the prior art, transmission schemes capable of supporting CSI-RS feedback and DMRS demodulation, such as TM9 and TM10, only support Single-User Multi-Input Multi-Output (SU-MIMO). For wireless communication The use efficiency of medium spectrum resources is still not enough to meet the demand

Method used

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  • Information transmission method, base station and terminal
  • Information transmission method, base station and terminal
  • Information transmission method, base station and terminal

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] The terminals in the embodiments of the present invention may include smart phones (such as Android mobile phones, iOS mobile phones, WindowsPhone mobile phones, etc.), tablet computers, palmtop computers, notebook computers, mobile Internet devices (MobileInternetDevices, referred to as MID) or wearable devices, etc., the above-mentioned terminals It is only an example, not an exhaustive list, including but not limited to the above-mentioned terminals.

[0...

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Abstract

The invention discloses an information transmission method, a base station and a terminal. The method comprises steps that the base station determines first format information of DCIs of at least one terminal in multiple terminals according to quantity of the multiple terminals where data transmission should be carried out, wherein the first format information comprises SCIDs and DMRSes, wherein the SCIDs are used for scrambling antenna ports, the DMRSes correspond to different antenna ports and DMRS sequences used by every two DMRSes are mutually orthogonal; sending the first format information of the DCIs to at least one terminal in the multiple terminals; and using determined antenna ports corresponding to the DMRSes to send data to at least one terminal in the terminals so as to allow the at least one terminal in the terminals to receive data sent by the base station based on the first format information of the DCIs. The invention also discloses the base station and the terminal. According to the invention, use rate of spectrum resources is increased and requirements of MU-MIMO are met.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to an information transmission method, a base station and a terminal. Background technique [0002] With the popularization and application of mobile terminals and the continuous growth of mobile services, the demand for wireless transmission rate is increasing exponentially. High-speed, high-quality communication technology has become the research goal of the next generation communication system. , referred to as MIMO) is one of the best solutions to achieve the above-mentioned goals. Among them, the stereo beamforming (ElevationBeamforming, referred to as EBF) / full dimension multi-input multi-output (FullDimensionMulti-InputMulti-Output, referred to as FD-MIMO) is a channel state information reference signal (ChannelStateInformationReferenceSignal, referred to as CSI-RS) The transmission technology of feedback and demodulation reference signal (Demodulation R...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04W72/04
CPCH04L5/0048H04W72/23
Inventor 王三新
Owner SHENZHEN TRANSSION HLDG CO LTD
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