Research on resource allocation algorithm for cognitive radio systems in TD-LTE

WU Long-jun1; LIU Xu-ming1; XING Zhi-qiang2; SONG Peng2

doi:10.13873/j.1000-97872013.08.019

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Research on resource allocation algorithm for cognitive radio systems in TD-LTE

更新时间：2025-09-11

- Research on resource allocation algorithm for cognitive radio systems in TD-LTE
- Vol. 32, Issue 8, Pages: 18-21(2013)
- 作者机构：
  
  1. 清华大学电子工程系
  2. 北方工业大学信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872013.08.019
  CLC： TN929.5
- Published：2013
- 稿件说明：
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[1]吴龙军,刘序明,邢志强,宋鹏.TD-LTE中认知无线电系统的资源分配算法研究[J].传感器与微系统,2013,32(08):18-21.

WU Long-jun1, LIU Xu-ming1, XING Zhi-qiang2, et al. Research on resource allocation algorithm for cognitive radio systems in TD-LTE[J]. 2013, 32(8): 18-21.
[1]吴龙军,刘序明,邢志强,宋鹏.TD-LTE中认知无线电系统的资源分配算法研究[J].传感器与微系统,2013,32(08):18-21. DOI： 10.13873/j.1000-97872013.08.019.

WU Long-jun1, LIU Xu-ming1, XING Zhi-qiang2, et al. Research on resource allocation algorithm for cognitive radio systems in TD-LTE[J]. 2013, 32(8): 18-21. DOI： 10.13873/j.1000-97872013.08.019.

摘要

针对在TD-LTE系统中多个认知无线电（CR）系统间的资源分配复杂度高的问题

采用了子载波分配和功率分配分步进行的资源分配方法

并在功率分配部分提出基于拍卖的有限步长功率分配算法。该算法通过把主系统处的干扰门限进行分割

在多个认知无线电系统之间逐份进行拍卖的方法

在有限步长内完成了功率分配。实验结果表明:该算法不仅具有低的复杂度

还具有接近最优的性能。

Abstract

Aiming at the problem that resource allocation among multiple cognitive radio systems has high complexity in TD-LTE

a two-step resource allocation method is adopted

which allocates subcarriers in the first step and power in the second step

and in power allocation

an auction-based limited steps power allocation algorithm is proposed.This algorithm divides interference threshold of primary system（PS） into several parts

then auction each part among multiple cognitive radio（CR） systems one by one

power allocation is achieved in limited steps.The experiment results show that the new algorithm not only has low complexity

but also has near optimal performance.

关键词

Keywords

references

Buffer-aware network coding for wireless networks [J] . Wei Chen,Khaled B. Letaief,Zhigang Cao. IEEE/ACM Transactions on Networking （TON） . 2012 (5)

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