5G NR 下行多载波信号生成与分析

[{"attributes":{"bold":true},"insert":"测试目的Testing Purposes"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":"用信号源产生5G NR sub-6GHz的多载波信号，并用信号分析仪解调分析"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"bold":true},"insert":"测试环境Test Environment"},{"insert":"        \n信号分析仪：\nR&S FSW26  option： B512 K144\n信号源：\nKeysight N5182B option：656 657 506 N7631EMBC\nPC安装有N7631C signalstudio软件\n说明：\n受限于N5182B 调制带宽（160MHz）和采样率（200MHz），此次演示 5G NR 2载波信号 每个载波带宽为50MHz。\n"},{"attributes":{"bold":true},"insert":" "},{"insert":"\n"},{"attributes":{"bold":true},"insert":"信号参数Signal Parameters"},{"insert":"\n中心频率：3.5GHz\n双工模式：FDD\n带宽：50MHz\n子载波间隔：30kHz\n测试模式：TM3.1A\n两载波：CC1:3.475GHz CC2：3.525GHz\n"},{"attributes":{"bold":true},"insert":" "},{"insert":"\n"},{"attributes":{"bold":true},"insert":"信号生成Signal Generation"},{"insert":"\n1. 使用N7631C 生成相应参数的波形文件\n2. PC和N5182B ip设置为同一网段，打开N7631C,连接上N5182B\n3. 配置信号参数\n\tinstrument选项设置中心频率3.5GHz\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/8ff8f1739f5654d4.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"Waveform setup选项设置波形名称，和载波数量以及载波参数\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/929d9adad7bcea2c.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"  \nCarrier1/Carrier2设置两个子载波参数\nDL Test Model 分别设置\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/cf2720b742c7d0bd.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" \n载波频率偏移设置\n "},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/7b32ba34429d65a2.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/aa2e3eff41226916.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" \n波形文件导入N5182B并播放（点击下载箭头）\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/007bff597d996241.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"attributes":{"bold":true},"insert":"信号分析Signal Analysis"},{"insert":"\n1. 信号源和频谱仪用射频线连接\n2. Fsw26 进入5G NR测试界面\n "},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/7e8e5602a02066e8.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"3.设置中心频率\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/1a564251d8ac15cd.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"4.配置载波数，及各载波参数（testmodel)\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/aa95055805c7d24d.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/a7fcb5a167180300.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/109c47f4ab04e6d1.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"5.点击Auto Demod Once\n "},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/2bc21c8f8d6f01df.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"6.信号分析协议解调信号完成\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/b83b0386fcf6b255.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"7.测试完整视图\n "},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/5863dc1f89edfd97.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" \n——作者 君鉴科技/Gavin Fu"},{"attributes":{"align":"right"},"insert":"\n"}]