Analytical evaluation of nonlinear distortion effects on OFDMA uplink signals

被引：0
|
作者：
Araujo, Teresa [1 ]
Dinis, Rui [2 ]
机构：
[1] Univ Tecn Lisboa, ISEP, ISR, IST, Lisbon, Portugal
[2] Univ Tecn Lisboa, IST, Lisbon, Portugal
来源：
2008 IEEE 67TH VEHICULAR TECHNOLOGY CONFERENCE-SPRING, VOLS 1-7 | 2008年
关键词：
D O I：
10.1109/VETECS.2008.202
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper we consider the evaluation of nonlinear distortion effects on the uplink transmission of systems employing OFDMA signals (Orthogonal Frequency Division Multiple Access). Our results allow an analytical spectral characterization of the transmitted signals, as well as the computation of the nonlinear interference levels on the received signals. It is shown that the power allocated to each user has a key impact on the nonlinear distortion effects. It is also shown that nonlinear distortion levels are lower when just a small fraction of the subcarriers is used (i.e., when the system load is small).
引用
收藏
页码：938 / +
页数：2
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