Dynamic power control scheme based on fractional frequency reuse for D2D communication

Xianchao WANG; Fan JIANG; Changyin SUN; Chenbi LI; Binyan SHEN

doi:10.11959/j.issn.1000-0801.2016216

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Dynamic power control scheme based on fractional frequency reuse for D2D communication

Research and Development | 更新时间：2024-06-05

- Dynamic power control scheme based on fractional frequency reuse for D2D communication
- Telecommunications Science Vol. 32, Issue 9, Pages: 44-51(2016)
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- DOI：10.11959/j.issn.1000-0801.2016216
  CLC： TN929.5
- Published Online：2016-09，
  
  Published：15 September 2016
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Xianchao WANG, Fan JIANG, Changyin SUN, et al. Dynamic power control scheme based on fractional frequency reuse for D2D communication[J]. Telecommunications science, 2016, 32(9): 44-51.
DOI：

Xianchao WANG, Fan JIANG, Changyin SUN, et al. Dynamic power control scheme based on fractional frequency reuse for D2D communication[J]. Telecommunications science, 2016, 32(9): 44-51. DOI： 10.11959/j.issn.1000-0801.2016216.

摘要

工作在underlay方式下的D2D(device-to-device)通信利用资源复用共享蜂窝网络中的资源，在提高频谱资源利用率、降低移动终端功耗的同时，会给已有蜂窝网络带来干扰。在保证D2D用户和蜂窝用户的服务质量的前提下，研究了蜂窝用户和D2D用户的功率控制和资源分配问题。首先引入部分频率复用(FFR)实现蜂窝用户和D2D用户之间的资源划分和复用；然后以系统吞吐量最大化为原则，建立优化目标。结合部分功率控制(FPC)的基本思想，进而提出了一种动态功率控制(DPC)策略。仿真结果表明，所提出的方案能够有效地提高多小区系统的性能。

Abstract

By reusing the resource of existing cellular users

D2D (device-to-device)communication underlaying cellular network can improve the spectrum utilization rate and reduce the power consumption of mobile terminals.However

it will bring interference to the existing cellular networks.In order to ensure the quality of service of D2D users and cellular users

the power control and resource allocation scheme for D2D communication underlaying cellular communications was studied.Specifically

fractional frequency reuse was introduced to achieve the resource partitioning and resource reuse between cellular users and D2D users.Based on the principle of maximizing the throughput of the whole system

the optimization objective was established.Combined with the fractional power control and introduction of interference limits

a dynamic power control strategy was proposed.Simulation results show that the proposed scheme improves the performance of the overall system.

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references

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