The research of ICI cancellation in mobile Wimax

Liu Xiangyu; Zheng Jianhong

doi:10.13756/j.gtxyj.2009.01.007

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The research of ICI cancellation in mobile Wimax

- The research of ICI cancellation in mobile Wimax
- Study on Optical communication Issue 1, Pages: 63-66(2009)
- 作者机构：
  
  重庆邮电大学移动通信工程研究中心
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2009.01.007
  CLC： TN919.3
- Published：2009，
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[1]刘翔宇,郑建宏.移动Wimax系统中ICI抑制技术的研究[J].光通信研究,2009(01):63-66.

Liu Xiangyu, Zheng Jianhong. The research of ICI cancellation in mobile Wimax. [J]. (1):63-66(2009)
[1]刘翔宇,郑建宏.移动Wimax系统中ICI抑制技术的研究[J].光通信研究,2009(01):63-66. DOI： 10.13756/j.gtxyj.2009.01.007.

Liu Xiangyu, Zheng Jianhong. The research of ICI cancellation in mobile Wimax. [J]. (1):63-66(2009) DOI： 10.13756/j.gtxyj.2009.01.007.

摘要

载波间干扰（ICI）主要由频率偏差所引起

它破坏了正交频分复用（OFDM）系统中子载波之间的正交性

大大降低了系统的性能。在高速移动Wimax系统中

信道的时变性导致的ICI更加不容小觑。文章将一种基于部分传输序列（PTS）算法的ICI抑制技术引入到移动Wimax系统中

针对其运算复杂的弊端提出了优化算法

并通过MATLAB语言进行了系统仿真

证明了算法对于Wimax系统中抑制ICI的有效性。

Abstract

Mainly caused by frequency offsets

Inter-carrier Interference（ICI） disrupts the orthogonality between the sub-carriers in the Orthogonal Frequency Division Multiplexing（OFDM） system

greatly debasing the system performance

and in the high-rate mobile Wimax system

ICI caused by time-varying channels is even more not to be overlooked.In this paper

a PTS algorithm-based ICI cancellation technology is introduced into the mobile Wimax system and an optimized algorithm proposed in view of the computational complexity.System simulations in Matlab language prove that this algorithm is effective in the ICI cancellation for Wimax systems.

关键词

正交频分复用载波间干扰Wimax系统部分传输序列

Keywords

OFDMICIWimax systemPTS

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Related Institution

National Key Laboratory of Science and Technology on Communications,University of Electronic Science and Technology

College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications

School of Electrical and Electronic Engineering, Beijing University of Posts and Telecommunications

Internet Center, Institute of Technology and Standards China Academy of Information and Communication Technology

School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications

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