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Data transmission method and related equipment

A technology for data transmission and user equipment, applied in the field of communication, can solve the problem of not being able to improve cell throughput and capacity, etc.

Active Publication Date: 2018-07-24
SHANGHAI HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the two transmission modes TM9 and TM10 support MU-MIMO, most terminals on the market do not yet support TM9 and TM10, so the throughput and capacity of the entire cell cannot be improved. In order to increase the gain, a In TM4 transmission mode, data transmission method supporting MU-MIMO

Method used

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  • Data transmission method and related equipment
  • Data transmission method and related equipment
  • Data transmission method and related equipment

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Embodiment Construction

[0029] Embodiments of the present invention provide a data transmission method and related equipment, which are used to implement MU-MIMO in TM4 transmission mode and effectively improve cell performance.

[0030] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention shall fall within the protection scope of the present invention.

[0031]The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to di...

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Abstract

The embodiment of the invention discloses a data transmission method and related equipment. The method provided by the embodiment of the invention comprises the steps of weighting a cell specific reference signal (CRS); mapping the weighted CRS into a resource block; sending the resource block to multiple pieces of user equipment, receiving channel state information reported by the multiple piecesof user equipment, and when a plurality of PMI reported by the multiple pieces of user equipment are received, querying an PMI relation table according to the received plurality of PMI, wherein the PMI relation table comprises a plurality of relation sets, each relation set comprises M values, and M is a positive integer more than or equal to 2; if the received plurality of M PMI comprise M target PMI, determining M pieces of user equipment corresponding to the M target PMI to be a user equipment set, wherein the M target PMI are the PMI accordant with the M values in the relation set; and sending the data to the user equipment in the user equipment set on same time frequency resources. According to the method and related equipment provided by the embodiment of the invention, the user equipment set including the multiple pieces of user equipment is determined, MU-MIMO is achieved under a TM4 transmission mode, and the cell performance is effectively enhanced.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data transmission method and related equipment. Background technique [0002] Space division multiplexing means multi-layer transmission, that is, the same time-frequency resource is allocated to the same or multiple user equipments and used to send multiple parallel transmissions. Space-division multiplexing is also called multiple-input-multi-output (Multi-Input-Multi-Output, abbreviation: MIMO), to reflect that the channel in space-division multiplexing has multiple inputs (corresponding to multiple transmit antennas on the base station side) and multiple outputs ( Corresponding to multiple receiving antennas on the user equipment side). In the Long Term Evolution (Long Term Evolution, abbreviation: LTE) system, the data sent by the base station to the user equipment can be divided into single-user space division multiplexing (Single-User-MIMO, abbreviation: SU-MIMO) and m...

Claims

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Application Information

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IPC IPC(8): H04B7/0452H04B7/0456H04B7/06H04L5/00
CPCH04B7/0452H04B7/0456H04B7/0632H04B7/0639H04L5/0048
Inventor 郏寅陈凯杨烨
Owner SHANGHAI HUAWEI TECH CO LTD