Modeling Basics

Resource grids, resource extraction, FDD and TDD duplexing modes, parameter structures

LTE Toolbox™功能创建有效的3GPP参数集和模型LTE物理层处理。参数配置函数创建并初始化与指定的3GPP参考测量通道（RMC），固定参考通道（FRC）或E-UTRA测试模型（E-TM）设置对齐的参数结构。将参数结构用作输入，以创建符合3GPP LTE和UMTS标准的波形。

Functions

`lteresourcegrid`	副帧资源数组
`lteresourcegridSize`	Size of subframe resource array
`ltedlresourcegrid`	Downlink subframe resource array
`ltedlresourcegridSize`	下行链接副帧资源数组的尺寸
`lteULResourceGrid`	Uplink subframe resource array
`lteULResourceGridSize`	Uplink subframe resource array size
`lteslresourcegrid`	Sidelink subframe resource array
`lteslresourcegridSize`	Sidelink子帧资源数组大小
`lteNBResourceGrid`	Narrowband resource array
`lteDuplexingInfo`	双工信息
`lteExtractResources`	Extract resource elements

Topics

参考指南

Downlink Physical Signals Grid
Grid view of the downlink physical signals and associated LTE Toolbox functions.
下行链接物理通道网格
Grid view of the downlink physical channels and associated functions in the LTE Toolbox.
Uplink Physical Channels and Signals Grid
Grid view of the uplink physical channels and physical signals and associated functions in the LTE Toolbox.

Resource Grids

创建一个空的资源网格
This example shows how to create an empty resource grid of the right dimensions for the cell-wide settings specified in structureenb.
Map Reference Signal to Resource Grid
This example shows how to map the cell specific reference signals to the resource grid for a subframe in the two antenna case.
Resource Grid Indexing
LTE工具箱提供了生成与物理通道和信号相对应的符号序列的功能。

Duplexing

FDD和TDD双工
Describes frequency and time division duplexing (LTE frame structure type 1 and 2) and representation in the LTE Toolbox product.

参数结构

Parameterization
Describes the function parameter style, the way parameters are passed to the toolbox functions. Some of the functions in the LTE Toolbox require a large number of parameters. To simplify this process and to group together relevant parameters, structures are used.
LTE Parameterization for Waveform Generation and Simulation
This example shows how to parameterize end-to-end simulations and generate static waveforms by using LTE Toolbox™ software.
UL-SCH Parameterization
描述UL-SCH和PUSCH相关功能的参数化形式。

Featured Examples

LTE Parameterization for Waveform Generation and Simulation

Parameterize end-to-end simulations and generate static waveforms by using LTE Toolbox™ software. This example focuses on downlink transmissions, but the concepts discussed also apply to uplink transmissions.

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LTE Waveform Modeling Using Downlink Transport and Physical Channels

生成一个包含物理下行链路共享通道（PDSCH），相应的物理下行链路控制通道（PDCCH）传输和物理控制格式指示器通道（PCFICH）的时域波形。

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PDSCH Transmit Diversity Throughput Simulation

Demonstrates how to measure the Physical Downlink Shared Channel (PDSCH) throughput of a transmit/receive chain using the LTE Toolbox™.

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PDSCH阿宝rt 5 UE-Specific Beamforming

Demonstrates release 8 port 5 UE-specific beamforming with the LTE Toolbox™.

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Release 10 PDSCH Enhanced UE-Specific Beamforming

Demonstrates the Release 10 UE-specific beamforming capability of the LTE Toolbox™ and shows how an appropriate choice of beamforming matrix leads to better performance.

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LTE DL-SCH and PDSCH Processing Chain

在LTE中，下行链路共享通道（DL-SCH）是用于传输用户数据，专用控制和特定用户特定的高层信息和下行链路系统信息的传输通道。物理下行链路共享通道（PDSCH）是带有DL-SCH编码数据的物理通道。此示例显示了下行链路共享通道（DL-SCH）和物理下行链路共享通道（PDSCH）处理中涉及的不同阶段，并提供了从这些中间阶段对数据的访问。

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Modeling and Testing an LTE RF Receiver

Demonstrates how to model and test an LTE RF receiver using LTE Toolbox™ and RF Blockset™.

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LTE Downlink Channel Estimation and Equalization

Use the LTE Toolbox™ to create a frame worth of data, pass it through a fading channel and perform channel estimation and equalization. Two figures are created illustrating the received and equalized frame.

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