Journal of Computer Applications ›› 2022, Vol. 42 ›› Issue (8): 2501-2510.DOI: 10.11772/j.issn.1001-9081.2021060901
• Advanced computing • Previous Articles Next Articles
Jieqin WANG, Shihyang LIN(), Shiming PENG, Shuo JIA, Miaohui YANG
Received:
2021-06-03
Revised:
2021-09-14
Accepted:
2021-09-24
Online:
2021-12-27
Published:
2022-08-10
Contact:
Shihyang LIN
About author:
WANG Jieqin, born in 1997, M. S. candidate. His research interests include mobile/multi-access edge computing, task offloading.通讯作者:
林士飏
作者简介:
王界钦(1997—),男,山东济宁人,硕士研究生,主要研究方向:移动/多接入边缘计算、任务卸载;CLC Number:
Jieqin WANG, Shihyang LIN, Shiming PENG, Shuo JIA, Miaohui YANG. Hierarchical resource allocation mechanism of cooperative mobile edge computing[J]. Journal of Computer Applications, 2022, 42(8): 2501-2510.
王界钦, 林士飏, 彭世明, 贾硕, 杨苗会. 协同移动边缘计算分层资源配置机制[J]. 《计算机应用》唯一官方网站, 2022, 42(8): 2501-2510.
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URL: https://www.joca.cn/EN/10.11772/j.issn.1001-9081.2021060901
参数名 | 意义 |
---|---|
J | 特定频段的聚合载波数 |
最大层数 | |
最大调制阶数 | |
扩展系数 | |
948/1 024 | |
载波带宽内的最大资源块数 | |
子帧平均正交频分复用符号长 | |
开销 |
Tab. 1 Parameter names and meanings
参数名 | 意义 |
---|---|
J | 特定频段的聚合载波数 |
最大层数 | |
最大调制阶数 | |
扩展系数 | |
948/1 024 | |
载波带宽内的最大资源块数 | |
子帧平均正交频分复用符号长 | |
开销 |
因素 | 对比因素的重要程度关系 | |||
---|---|---|---|---|
1 | 1/2 | 3 | 5 | |
2 | 1 | 5 | 6 | |
1/3 | 1/5 | 1 | 2 | |
1/5 | 1/6 | 1/2 | 1 |
Tab. 2 Judgment matrix
因素 | 对比因素的重要程度关系 | |||
---|---|---|---|---|
1 | 1/2 | 3 | 5 | |
2 | 1 | 5 | 6 | |
1/3 | 1/5 | 1 | 2 | |
1/5 | 1/6 | 1/2 | 1 |
名称 | 值 | 含义 |
---|---|---|
NMEC | 21 | MEC服务器数量 |
fc | 2.8 GHz | MEC服务器CPU周期频率 |
R | 1 km | 通信范围 |
Vuplink | (309.1~ 618.1) Mb/s | 上行链路传输速率 |
2×108 m/s | MEC服务器间理想传播速率 | |
VUs | {5,6,…,10} | 请求任务卸载车辆数 |
Taski | {1,2,…,9,10} | 单车辆卸载任务数 |
size | (400~500) Kb | 卸载任务数据量 |
per | 100 cycles/bit | 单位bit所需CPU周期数 |
Tmax | 0.5 s | 卸载任务最大可容忍时延 |
Tab. 3 Parameter configuration
名称 | 值 | 含义 |
---|---|---|
NMEC | 21 | MEC服务器数量 |
fc | 2.8 GHz | MEC服务器CPU周期频率 |
R | 1 km | 通信范围 |
Vuplink | (309.1~ 618.1) Mb/s | 上行链路传输速率 |
2×108 m/s | MEC服务器间理想传播速率 | |
VUs | {5,6,…,10} | 请求任务卸载车辆数 |
Taski | {1,2,…,9,10} | 单车辆卸载任务数 |
size | (400~500) Kb | 卸载任务数据量 |
per | 100 cycles/bit | 单位bit所需CPU周期数 |
Tmax | 0.5 s | 卸载任务最大可容忍时延 |
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