Research on Data Gathering Algorithm Based on Fairness in Cognitive Radio Network

Xiaoming Wang; Jiankang Zhang

doi:10.3969/j.issn.1000-0801.2014.11.014

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Research on Data Gathering Algorithm Based on Fairness in Cognitive Radio Network

research and development | 更新时间：2024-06-05

- Research on Data Gathering Algorithm Based on Fairness in Cognitive Radio Network
- DIANXIN KEXUE Vol. 30, Issue 11, Pages: 80-86(2014)
- 作者机构：
  
  1. 莱芜职业技术学院信息工程系莱芜 271100
  2. .郑州大学信息工程学院郑州 450001
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1000-0801.2014.11.014
  CLC：
- Published Online：2014-11，
  
  Published：20 November 2014
- 稿件说明：
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Xiaoming Wang, Jiankang Zhang. Research on Data Gathering Algorithm Based on Fairness in Cognitive Radio Network[J]. Dianxin kexue, 2014, 30(11): 80-86.
DOI：

Xiaoming Wang, Jiankang Zhang. Research on Data Gathering Algorithm Based on Fairness in Cognitive Radio Network[J]. Dianxin kexue, 2014, 30(11): 80-86. DOI： 10.3969/j.issn.1000-0801.2014.11.014.

摘要

摘要：研究了认知无线电网络的分布式数据采集问题。首先讨论了SU 的合适载波侦听范围（PCR）。以此PCR为基础，一个SU可以成功地发送数据且不对PU和其他SU造成干扰。然后，提出了一种兼顾公平性的异步分布式数据采集（ADDC）算法。ADDC 算法以分布式策略把快照数据收集到基站，且没有任何时间同步要求。与集中式和同步式算法相比，ADDC算法的可拓展性和实用性更强。全面的仿真实验结果表明，ADDC算法的数据采集效率更高，数据采集时延更低。

Abstract

The distributed data collection problem for CRN was studied

which has not been addressed before. First

the proper carrier-sensing range（PCR）for SU was studied. By working with this PCR

a SU can successfully conduct data transmission without disturbing the activities of PU and other SU. Subsequently

based on the PCR

an asynchronous distributed data collection（ADDC）algorithm with fairness consideration for CRN was proposed. ADDC collects data of a snapshot to the base station in a distributed manner without any time synchronization requirement. The algorithm is scalable and more practical compared with centralized and synchronized algorithms. The comprehensive theoretical analysis shows that ADDC is order-optimal in terms of delay and capacity

as long as SU has a positive probability to access the spectrum. Finally

extensive simulation results indicate that ADDC can effectively finish a data collection task and significantly reduce data collection delay.

关键词

Keywords

references

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