基于小波跳时调制的超宽带无线技术

The wavelet modulation time hopping UWB impulse radio

下载PDF

导出

摘要采用正交小波作为基本脉冲波形的跳时超宽带系统TH-WM,分别用母函数ψ(t)和尺度函数φ(t)代表调制数据为"1"和"0",利用小波母函数与尺度函数的正交性,可有效减少接收端不同用户信号的冲突。通过分析信号相对带宽对多径衰落的影响,合理选取dB2正交小波作为基本脉冲波形。

作者孙华明周正

机构地区北京邮电大学电信工程学院

出处《无线电通信技术》 2005年第1期45-47,共3页 Radio Communications Technology

基金国家863计划项目(2003AA123240)国家自然科学基金项目(60372097)

关键词跳时超宽带无线技术脉冲波形调制多径衰落接收端误码率 DB2 小波 WM

参考文献5

1Mattheew Welborn and John Mccorkle. The Importance of fraction bandwidth in ultra- wideband pulse Design [ R ].IEEE Conference on Ultra Wideband Systems and Technologies(2002 ). Baltimore, MA, USA, 2002.5 : 753-757.
2V Srinivasa Somayazulu. Multiple access performance in UWB systems using time hopping vs. direct sequence spreading[ R]. IEEE Wireless Communications and Networking Conf Orlando, FL, 2001:758- 762.
3Prof Igor I Immoreev, PGS Andrey N. Sinyavin. Features of ultra - wideband signals' radiation [ R ]. IEEE Conference on Ultra Wideband Systems and Technologies(2002). Baltimore, MA, USA, 2002.5 : 345 - 349.
4Matthew L. Welbom. System consideration for ultra-wideband wireless networks [ R]. IEEE Radio and Wireless Conference (2001). Boston, MA,2001.8:5 - 8.
5Moe Z Win and Robert A Scholtz. Ultra-Wide bandwidth time- hopping spread - spectrum impulse radio for wireless multiple- access communications[J]. IEEE Transactions on Communications, 2000.4,48 (4) : 679 - 690.

无线电通信技术

2005年第1期

内容加载中请稍等...