Interference Management Strategy Based on Dynamic Carrier Allocation for Indoor VLC-WiFi Heterogeneous Network

LIU Huan-lin; PU Xin; CHEN Yong; HUANG Mei-na; CHEN Jin-lin

doi:10.12263/DZXB.20210072

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Interference Management Strategy Based on Dynamic Carrier Allocation for Indoor VLC-WiFi Heterogeneous Network

OPTICAL WIRELESS COMMUNICATION AND NETWORKING TECHNOLOGY | 更新时间：2025-12-08

- Interference Management Strategy Based on Dynamic Carrier Allocation for Indoor VLC-WiFi Heterogeneous Network
- ACTA ELECTRONICA SINICA Vol. 49, Issue 10, Pages: 1920-1926(2021)
- 作者机构：
  
  1.重庆邮电大学通信与信息工程学院，重庆 400065
  2.重庆邮电大学自动化学院，重庆 400065
- 作者简介：
- 基金信息：
- DOI：10.12263/DZXB.20210072
  CLC： TN929.11;
- Received：06 January 2021，
  
  Revised：2021-02-24，
  
  Published：25 October 2021
- 稿件说明：
移动端阅览
刘焕淋,蒲欣,陈勇等.室内VLC-WiFi异构网络基于动态载波分配的干扰管理策略[J].电子学报,2021,49(10):1920-1926.

LIU Huan-lin,PU Xin,CHEN Yong,et al.Interference Management Strategy Based on Dynamic Carrier Allocation for Indoor VLC-WiFi Heterogeneous Network[J].ACTA ELECTRONICA SINICA,2021,49(10):1920-1926.
刘焕淋,蒲欣,陈勇等.室内VLC-WiFi异构网络基于动态载波分配的干扰管理策略[J].电子学报,2021,49(10):1920-1926. DOI： 10.12263/DZXB.20210072.

LIU Huan-lin,PU Xin,CHEN Yong,et al.Interference Management Strategy Based on Dynamic Carrier Allocation for Indoor VLC-WiFi Heterogeneous Network[J].ACTA ELECTRONICA SINICA,2021,49(10):1920-1926. DOI： 10.12263/DZXB.20210072.

摘要

为了有效地管理VLC-WiFi异构网络的小区间干扰，该文设计基于用户中心接入的动态载波分配(DCAUCA)方法，该方法依据用户请求速率构建大小不同的multi-AP小区，对各multi-AP小区依据用户请求速率与网络服务速率的差值降序排列，并依次为各multi-AP小区的VLC AP分配载波.同时，提出基于VLC AP发射功率控制的小区残余干扰抑制(RISPC)策略以进一步优化干扰管理效果.仿真结果表明，DCAUCA方法相较于对比方法最高可提升52.15%的系统吞吐量与7.10%的用户满意度，RISPC策略相较于DCAUCA方法最高可提升9.66%的系统吞吐量.

Abstract

In order to manage the inter-cell interference of the visble light communication-wireless fidelity (VLC-WiFi) heterogeneous network effectively

a dynamic carrier allocation method based on user centric access (DCAUCA) was designed in this paper

in which multi-AP cells were constructed for users according to user rates and the differences between user request rate and network service rate of each cell was sorted in descending order for the purpose of allocating carriers to each VLC AP sequentially. Furthermore

a strategy called residual interference suppression based on transmitting power control (RISPC) was proposed to further suppress residual interference. Simulation results show that

compared with the comparison method

the DCAUCA improves system throughput by up to 52.15% and user’s satisfaction by up to 7.10%. Compared with DCAUCA

the RISPC improves system throughput by up to 9.66%.

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references

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