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Method and device for determining codeword mapping mode

A mapping method and codeword technology, applied in the field of communication, can solve problems affecting the mapping effect, downlink data transmission performance loss, unbalanced transmission quality, etc., and achieve the effect of reducing performance loss

Active Publication Date: 2020-02-28
DATANG MOBILE COMM EQUIP CO LTD
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  • Description
  • Claims
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Problems solved by technology

[0006] The present invention provides a method for determining the codeword mapping method, which is used to solve the problem in the prior art that the performance loss of downlink data transmission is caused by the unbalanced transmission quality of each transmission point, which affects the mapping effect

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  • Method and device for determining codeword mapping mode
  • Method and device for determining codeword mapping mode
  • Method and device for determining codeword mapping mode

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Embodiment Construction

[0159] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0160] see figure 1 , figure 1 is a schematic diagram of the network structure applied in the embodiment of the present invention; as figure 1 As shown, a network side device 101 and a terminal 102 are included. Wherein, the network side device 101 may be an evolved base station (eNB, evolved Node B) or other base stations. It should be noted that the specific type of the network side device 101 is not limited in this embodiment of the p...

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Abstract

The invention provides a method and device for determining a codeword mapping mode, and relates to the technical field of communication. The method comprises the steps that network side equipment determines the number N of demodulation reference signal port groups DMRS port groups occupied by downlink transmission data sent to a terminal, and N is greater than or equal to 1; If the network side equipment determines that the codeword transmission mode corresponding to the downlink transmission data is double-codeword transmission, the network side equipment determines a codeword mapping mode corresponding to the downlink transmission data according to the number N of DMRS port groups occupied by the downlink transmission data. According to the method, which mapping mode is used is determined according to the number of DMRS port groups actually occupied by a downlink data channel, and the transmission quality of different transmission points can be considered, so that the performance loss of downlink data transmission is reduced.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method and device for determining a codeword mapping manner. Background technique [0002] Mobile and broadband have become the development direction of modern communication technology. 5G, the fifth-generation mobile phone mobile communication standard, also known as the fifth-generation mobile communication technology, is also an extension after 4G. As the main direction of the development of the new generation of information and communication, 5G will penetrate into all fields of the future society and build a comprehensive information ecosystem centered on users. [0003] MIMO technology can increase the peak rate (or peak spectral efficiency) through parallel transmission of data in the spatial domain. Theoretically, according to the channel quality of each equivalent data transmission channel in the MIMO link, the corresponding modulation and coding form...

Claims

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Application Information

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IPC IPC(8): H04B7/0413H04B7/06H04L5/00
CPCH04B7/0413H04B7/0626H04L5/0048H04B7/06H04L5/00
Inventor 苏昕高秋彬陈润华缪德山
Owner DATANG MOBILE COMM EQUIP CO LTD
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