Measurement-based MIMO channel model at 140GHz

1. Introduction The file “gen_dd_channel.zip” is a package of a wideband multiple-input multiple-output (MIMO) stored radio channel model at 140 GHz in indoor hall, outdoor suburban, residential and urban scenarios. The package consists of 1) measured wideband double-directional multipath data sets estimated from radio channel sounding and processed through measurement-based ray-launching and 2) MATLAB code sets that allows users to generate wideband MIMO radio channels with various antenna array types, e.g., uniform planar and circular arrays at link ends. 2. What does this package do? Outputs of the channel model The MATLAB file “ChannelGeneratorDD_hexax.m” gives the following variables, among others. The .m file also gives optional figures illustrating antennas and radio channel responses. Variables Descriptions CIR MIMO channel impulse responses CFR MIMO channel frequency responses Inputs to the channel model In order for the MATLAB file “ChannelGeneratorDD_hexax.m” to run properly, the following inputs are required. Directory Descriptions data_030123_double_directional_paths Double-directional multipath data, measured and complemented by ray-launching tool, for various cellular sites. User’s parameters When using “ChannelGeneratorDD_hexax.m”, the following choices are available. Features Choices Channel model types for transfer function generation 'snapshot': single time sample per link = static, random phase for each path, amplitude from measurements 'virtualMotion': Doppler shifts & temporal fading, static propagation parameters, random phase for each path, amplitude from measurements, Doppler frequency per path from AoA and velocity vector Antenna / beam shapes 'single3GPP': single antenna element with power pattern shape defined in 3GPP, adjustable HPBW etc. 'URA': uniform rectangular array, omni-directional elements 'UCA': uniform circular array, omni-directional elements List of files in the dataset MATLAB codes that implement the channel model The MATLAB files consist of the following files. File and directory names Descriptions readme_100223.txt Readme file; please read it before using the files ChannelGeneratorDD_hexax.m Main code to run; a code to integrate antenna arrays and double-directional path data to derive MIMO radio channels. No need to see/edit other files. gen_pathDD.m, randl.m, randLoc.m Sub-routines used in ChannelGeneratorDD_hexax.m; no need of modifications. Hexa-X channel generator DD_presentation.pdf User manual of ChannelGeneratorDD_hexax.m. Measured multipath data The directory "data_030123_double_directional_paths" in the package contains the following files. Filenames Descriptions readme_100223.txt Readme file; please read it before using the files RTdata_[scenario]_[date].mat Containing double-directional multipath parameters at 140 GHz in the specified scenario, estimated from radio channel sounding and ray-tracing. description_of_data_dd_[scenario].pdf Explaining data formats, the measurement site and sample results. References Details of the data set are available in the following two documents: The stored channel models A. Nimr (ed.), "Hexa-X Deliverable D2.3 Radio models and enabling techniques towards ultra-high data rate links and capacity in 6G," April 2023, available: https://hexa-x.eu/deliverables/ @misc{Hexa-XD23, author = {{A. Nimr (ed.)}}, title = {{Hexa-X Deliverable D2.3 Radio models and enabling techniques towards ultra-high data rate links and capacity in 6G}}, year = {2023}, month = {Apr.}, howpublished = {https://hexa-x.eu/deliverables/},} Derivation of the data, i.e., radio channel sounding and measurement-based ray-launching M. F. De Guzman and K. Haneda, "Analysis of wave-interacting objects in indoor and outdoor environments at 142 GHz," IEEE Transactions on Antennas and Propagation, vol. 71, no. 12, pp. 9838-9848, Dec. 2023, doi: 10.1109/TAP.2023.3318861 @ARTICLE{DeGuzman23_TAP, author={De Guzman, Mar Francis and Haneda, Katsuyuki}, journal={IEEE Transactions on Antennas and Propagation}, title={Analysis of Wave-Interacting Objects in Indoor and Outdoor Environments at 142 {GHz}}, year={2023}, volume={71}, number={12}, pages={9838-9848},} Finally, the code “randl.m” are from the following MATLAB Central File Exchange. Hristo Zhivomirov (2023). Generation of Random Numbers with Laplace Distribution (https://www.mathworks.com/matlabcentral/fileexchange/53397-generation-of-random-numbers-with-laplace-distribution), MATLAB Central File Exchange. Retrieved February 15, 2023. Data usage terms Any usage of the data must be upon consent on the following conditions: The file “ChannelGeneratorDD_hexax.m” is owned by OUL. Contact: Dr. Pekka Kyösti, [e-mail]. The other files and those in the directories, except for “randl.m”, are owned by AAU. Contact: Mr. Mar Francis de Guzman, [e-mail]. When a scientific paper is published that exploits the data and code, please cite this data set; the citation can be downloaded from the zenodo page of this data set.1. 引言 本数据包"gen_dd_channel.zip"为140吉赫兹频段下，覆盖室内大厅、室外郊区、住宅与城市场景的宽带多输入多输出（MIMO，Multiple-Input Multiple-Output）存储式无线信道模型包。该数据包包含两部分内容：1）通过无线信道探测估计得到，并经基于测量的射线发射法处理得到的宽带双向多径数据集；2）MATLAB代码集，支持用户基于链路端的各类天线阵列类型（如均匀平面阵列与均匀圆形阵列）生成宽带MIMO无线信道。 2. 本数据包可实现何种功能？ ### 信道模型的输出变量 MATLAB文件"ChannelGeneratorDD_hexax.m"可输出如下变量（不限于以下变量），该.m文件还可生成用于展示天线与无线信道响应的可选图形。 | 变量 | 描述 | |------|------| | CIR（Channel Impulse Response） | MIMO信道冲激响应 | | CFR（Channel Frequency Response） | MIMO信道频率响应 | ### 信道模型的输入参数 为使MATLAB文件"ChannelGeneratorDD_hexax.m"正常运行，需提供以下输入参数。 | 目录 | 描述 | |------|------| | data_030123_double_directional_paths | 用于各类蜂窝基站的双向多径数据，经实测得到并通过射线发射工具补充完善 | ### 用户可配置参数 使用"ChannelGeneratorDD_hexax.m"时，可选择以下配置项。 | 功能 | 可选配置 | |------|----------| | 用于生成传输函数的信道模型类型 | 'snapshot'：每条链路仅单时间采样（即静态场景），每条路径相位随机，幅度取自测量数据 | | 'virtualMotion'：包含多普勒频移与时间域衰落，传播参数静态，每条路径相位随机、幅度取自测量数据，路径多普勒频率由到达角（AoA，Angle of Arrival）与速度矢量计算得到 | | 天线/波束赋形方案 | 'single3GPP'：单天线单元，采用3GPP定义的功率方向图，可调节半功率波束宽度（HPBW，Half Power Beam Width）等参数 | | 'URA'：均匀矩形阵列，全向天线单元 | | 'UCA'：均匀圆形阵列，全向天线单元 | ### 数据集中的文件列表 #### 实现信道模型的MATLAB代码 本数据集的MATLAB代码包含以下文件。 | 文件与目录名 | 描述 | |-------------|------| | readme_100223.txt | 说明文档，使用前请务必阅读 | | ChannelGeneratorDD_hexax.m | 主运行代码：用于整合天线阵列与双向多径路径数据以生成MIMO无线信道，无需查看或修改其他文件 | | gen_pathDD.m、randl.m、randLoc.m | ChannelGeneratorDD_hexax.m的子程序，无需修改 | | Hexa-X channel generator DD_presentation.pdf | ChannelGeneratorDD_hexax.m的用户手册 | #### 实测多径数据 数据包内的"data_030123_double_directional_paths"目录包含以下文件。 | 文件名 | 描述 | |-------|------| | readme_100223.txt | 说明文档，使用前请务必阅读 | | RTdata_[scenario]_[date].mat | 包含指定场景下140吉赫兹频段的双向多径参数，由无线信道探测与射线追踪方法估计得到 | | description_of_data_dd_[scenario].pdf | 说明数据格式、测量基站与测试结果 | ### 参考文献 本数据集的详细信息可参考以下两篇文献： 1. 存储式信道模型相关文献 A. Nimr（编辑），《Hexa-X交付件D2.3：面向6G超高速率链路与容量的无线信道模型及使能技术》，2023年4月，可访问：https://hexa-x.eu/deliverables/ bibtex @misc{Hexa-XD23, author = {{A. Nimr (ed.)}}, title = {{Hexa-X Deliverable D2.3 Radio models and enabling techniques towards ultra-high data rate links and capacity in 6G}}, year = {2023}, month = {Apr.}, howpublished = {https://hexa-x.eu/deliverables/}, } 2. 数据推导方法（无线信道探测与基于测量的射线发射法） M. F. De Guzman与K. Haneda，《142吉赫兹频段室内外环境中波相互作用物体分析》，IEEE天线与传播汇刊，第71卷，第12期，第9838-9848页，2023年12月，DOI: 10.1109/TAP.2023.3318861 bibtex @ARTICLE{DeGuzman23_TAP, author={De Guzman, Mar Francis and Haneda, Katsuyuki}, journal={IEEE Transactions on Antennas and Propagation}, title={Analysis of Wave-Interacting Objects in Indoor and Outdoor Environments at 142 {GHz}}, year={2023}, volume={71}, number={12}, pages={9838-9848}, } 此外，代码"randl.m"源自以下MATLAB中央文件交换库： Hristo Zhivomirov (2023). 拉普拉斯分布随机数生成（https://www.mathworks.com/matlabcentral/fileexchange/53397-generation-of-random-numbers-with-laplace-distribution），MATLAB Central File Exchange. 2023年2月15日获取。 ### 数据使用条款 本数据的任何使用需遵循以下条件： 1. 文件"ChannelGeneratorDD_hexax.m"归OUL所有，联系方式：Pekka Kyösti博士，[e-mail]。 2. 除"randl.m"外的其他文件及目录内内容归AAU所有，联系方式：Mar Francis de Guzman先生，[e-mail]。 3. 若基于本数据集与代码发表学术论文，请引用本数据集；引用格式可从本数据集的Zenodo页面下载。