节点文献
超宽带OFDM系统中比特与功率分配算法研究
Research of Bit and Power Allocation Algorithm in UWB-OFDM System
【摘要】 针对超宽带信道的频率选择性衰落问题,文章采用基于比特与功率分配算法的抗衰落方法,在总传输功率和误比特率(BER)满足要求的情况下,使得系统的传输速率达到最大。仿真结果表明,引入比特与功率分配算法可以提高系统的传输性能。
【Abstract】 For the selective fading problem of frequency in ultra-wideband channel,an anti-fading method based on the bit and power allocation algorithm is used in this paper.So as to aquire maximized system transmission rate,meanwhile,total transmission power and bit error rate need to meet the requirements.In the end,simulation results show that this can improve the transmission performance.
【关键词】 超宽带;
正交频分复用;
自适应算法;
比特与功率分配;
【Key words】 UWB; OFDM; adaptive algorithm; bit and power allocation;
【Key words】 UWB; OFDM; adaptive algorithm; bit and power allocation;
- 【文献出处】 计算机与数字工程 ,Computer & Digital Engineering , 编辑部邮箱 ,2011年07期
- 【分类号】TN925
- 【被引频次】5
- 【下载频次】43