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異構(gòu)網(wǎng)絡(luò)中基于能效優(yōu)化的D2D資源分配機制

張達敏 張繪娟 閆威 陳忠云 辛梓蕓

張達敏, 張繪娟, 閆威, 陳忠云, 辛梓蕓. 異構(gòu)網(wǎng)絡(luò)中基于能效優(yōu)化的D2D資源分配機制[J]. 電子與信息學(xué)報, 2020, 42(2): 480-487. doi: 10.11999/JEIT190042
引用本文: 張達敏, 張繪娟, 閆威, 陳忠云, 辛梓蕓. 異構(gòu)網(wǎng)絡(luò)中基于能效優(yōu)化的D2D資源分配機制[J]. 電子與信息學(xué)報, 2020, 42(2): 480-487. doi: 10.11999/JEIT190042
Damin ZHANG, Huijuan ZHANG, Wei YAN, Zhongyun CHEN, Ziyun XIN. D2D Resource Allocation Mechanism Based on Energy EfficiencyOptimization in Heterogeneous Networks[J]. Journal of Electronics & Information Technology, 2020, 42(2): 480-487. doi: 10.11999/JEIT190042
Citation: Damin ZHANG, Huijuan ZHANG, Wei YAN, Zhongyun CHEN, Ziyun XIN. D2D Resource Allocation Mechanism Based on Energy EfficiencyOptimization in Heterogeneous Networks[J]. Journal of Electronics & Information Technology, 2020, 42(2): 480-487. doi: 10.11999/JEIT190042

異構(gòu)網(wǎng)絡(luò)中基于能效優(yōu)化的D2D資源分配機制

doi: 10.11999/JEIT190042
基金項目: 貴州省自然科學(xué)基金(黔科合基礎(chǔ)[2017]1047號)
詳細信息
    作者簡介:

    張達敏:男,1967年生,教授,研究方向為認知無線網(wǎng)絡(luò)、異構(gòu)網(wǎng)絡(luò)融合、D2D通信技術(shù)、網(wǎng)絡(luò)擁塞控制

    張繪娟:女,1994年生,碩士生,研究方向為認知無線網(wǎng)絡(luò)、異構(gòu)網(wǎng)絡(luò)融合、D2D通信技術(shù),優(yōu)化計算

    閆威:男,1993年生,碩士生,研究方向為認知無線網(wǎng)絡(luò)、異構(gòu)網(wǎng)絡(luò)融合、優(yōu)化計算

    陳忠云:男,1989年生,碩士生,研究方向為認知無線網(wǎng)絡(luò)、異構(gòu)網(wǎng)絡(luò)融合、優(yōu)化計算

    辛梓蕓:女,1994年生,碩士生,研究方向為認知無線網(wǎng)絡(luò)、異構(gòu)網(wǎng)絡(luò)融合、優(yōu)化計算

    通訊作者:

    張達敏 1203813362@qq.com

  • 中圖分類號: TN929.5

D2D Resource Allocation Mechanism Based on Energy EfficiencyOptimization in Heterogeneous Networks

Funds: The Guizhou Province Natural Science Foundation of China ([2017]1047)
  • 摘要:

    針對異構(gòu)網(wǎng)絡(luò)中D2D通信復(fù)用蜂窩用戶頻譜時存在的頻譜分配問題,該文提出一種基于改進離散鴿群優(yōu)化(PIO)算法的D2D通信資源分配機制。通過設(shè)置信干噪比(SINR)門限值來保證用戶的通信服務(wù)質(zhì)量(QoS),采用功率控制算法為用戶設(shè)置發(fā)射功率,使用基于運動權(quán)值的二進制離散鴿群優(yōu)化(MWBPIO)算法為D2D用戶進行資源分配,并將D2D通信技術(shù)與中繼技術(shù)進行有效結(jié)合,為邊緣用戶建立D2D中繼鏈路,保證邊緣用戶的通信質(zhì)量,最大化系統(tǒng)性能目標。仿真結(jié)果表明,該方案有效抑制了異構(gòu)通信系統(tǒng)中引入D2D用戶后導(dǎo)致的干擾問題,提高了邊緣用戶的通信質(zhì)量和系統(tǒng)的頻譜利用率以及系統(tǒng)的能效。

  • 圖  1  異構(gòu)蜂窩網(wǎng)絡(luò)通信系統(tǒng)模型

    圖  2  yu隨迭代次數(shù)的變化趨勢

    圖  3  r(t)隨迭代次數(shù)的變化趨勢

    圖  4  算法流程圖

    圖  5  不同e值下系統(tǒng)總效益值的變化曲線

    圖  6  系統(tǒng)總效益值隨迭代次數(shù)的變化曲線

    圖  7  中繼鏈路下D2D邊緣用戶的SINR累計分布曲線

    圖  8  不同D2D通信距離下的系統(tǒng)能效比較

    圖  9  不同D2D數(shù)目下的系統(tǒng)能效比較

    圖  10  不同算法下能效的收斂速度

    表  1  Rosenbrock函數(shù)對應(yīng)不同a值的函數(shù)值

    a最優(yōu)值平均值
    0.100.00820.1029
    0.150.08360.1347
    0.200.00490.1009
    0.250.07360.1342
    0.300.06230.1234
    0.350.06860.1604
    0.400.17540.3342
    0.450.62490.9983
    0.500.00400.0064
    0.550.00090.0002
    0.600.00410.0066
    0.650.04350.1167
    0.700.46450.7743
    0.750.66231.0885
    0.800.77451.2234
    0.850.88421.3354
    0.900.46780.7762
    0.950.54350.9943
    1.000.67350.9984
    下載: 導(dǎo)出CSV

    表  2  Rosenbrock函數(shù)對應(yīng)不同e值的函數(shù)值

    e最優(yōu)值平均值
    1.00.72491.1983
    1.50.02490.4983
    2.00.01990.1234
    2.50.02360.4342
    3.00.67541.1942
    3.50.55491.1009
    4.00.67401.1864
    4.50.56861.0604
    5.00.48361.0347
    下載: 導(dǎo)出CSV

    表  3  系統(tǒng)仿真參數(shù)

    參數(shù)數(shù)值
    小區(qū)半徑${R_{\rm cell} }$500 m
    宏蜂窩用戶數(shù)50個
    微蜂窩用戶數(shù)5個
    D2D用戶對數(shù)25對
    中繼節(jié)點數(shù)25個
    蜂窩用戶最大發(fā)射功率24 dBm
    D2D用戶最大發(fā)射功率15 dBm
    熱噪聲功率–174 dBm/Hz
    下載: 導(dǎo)出CSV
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  • 收稿日期:  2019-01-15
  • 修回日期:  2019-08-20
  • 網(wǎng)絡(luò)出版日期:  2019-09-20
  • 刊出日期:  2020-02-19

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