wificsi2

This directory contains the Channel State Information (CSI) data acquired from WiFi CSI receiver 2 (NUC2) which was placed 90 degrees to the CSI transmitter (NUC3). The files are in .mat format and each row in the file corresponds to a received CSI packet. Each packet consists of 270 complex CSI values (3 transmit antennas x 3 receive antennas x 30 OFDM subcarriers). This dataset also contains other information such as the activity being performed, timestamp in milliseconds, experiment number, person id, room id, and ground truth XY coordinates of the person in the room. More details on the CSI system and structure of the CSI data are available in the "Methods" and "Experiment Directory" sections of the Data Descriptor, respectively.

本目录存储了由WiFi信道状态信息（Channel State Information，CSI）接收机2（NUC2）采集得到的CSI数据，该接收机与CSI发射机（NUC3）呈90度夹角部署。所有数据文件均采用.mat格式存储，文件内每一行对应一条接收到的CSI数据包。每条数据包包含270个复数值CSI数据，对应3根发射天线×3根接收天线×30个正交频分复用（OFDM）子载波的组合。本数据集还附带其他关联信息，包括受试者执行的动作、毫秒级时间戳、实验编号、受试者ID、房间ID，以及房间内受试者的真值XY坐标。有关CSI系统及CSI数据结构的更多细节，可分别查阅该数据描述文档的"方法"与"实验目录"章节。

搜集汇总

背景与挑战

背景概述

wificsi2是一个包含WiFi信道状态信息(CSI)的数据集，数据格式为.mat文件，每个数据包包含270个复数CSI值，并附带活动类型、时间戳和人员位置等元数据信息。该数据集主要用于人体活动识别和定位研究。