Chinese Journal of Ship Research, Volume. 20, Issue 4, 303(2025)
Joint task offloading and resource allocation for double-IRS-aided offshore MEC systems
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Table 1. BCD joint optimization algorithm framework
View tableView in ArticleTable 1. BCD joint optimization algorithm framework
求解问题式(15)的BCD联合优化算法框架 1：初始化 ${{\boldsymbol{v}}_1} = {{\boldsymbol{v}}_2} = {\left[ {1, \ldots ,{N_1}} \right]^{\text{T}}},f = 0,p = {p_{\max }}$ 算法迭代次数 $\tau = 1$ $\mu \geqslant 0$ 2：while 1 3： 给定 $\left\{ {{{\boldsymbol{v}}_1},{{\boldsymbol{v}}_2}} \right\}$ ${{\boldsymbol{w}}^*}$ 4： 给定 $\left\{ {{{\boldsymbol{v}}_2},{{\boldsymbol{w}}^*}} \right\}$ ${\boldsymbol{v}}_1^*$ 5： 给定 $\left\{ {{{\boldsymbol{v}}_1}^*,{{\boldsymbol{w}}^*}} \right\}$ ${\boldsymbol{v}}_2^*$ 6： 初始化 ${\mu _{\min }} = 0,{\mu _{\max }} = {10^7}$ 7： while 2 8： 更新 $ {\mu ^*} = \left( {{\mu _{\min }} + {\mu _{\max }}} \right)/2 $ 9： 给定 $ \left\{ {{{\boldsymbol{v}}_1}^*,{{\boldsymbol{v}}_2}^*,{{\boldsymbol{w}}^*},{\mu ^*}} \right\} $ $ {f^*},{p^*} $ 10： if ${p_{\max }} - {p^*} - {\varphi _{\text{s}}}{\left( {{f^*}} \right)^3} - {p_{\text{c}}} \geqslant 0$ 11： $ {\mu _{\max }} = {\mu ^*} $ $ {\mu _{\min }} = {\mu ^*} $ 12： end 13： if ${\mu _{\max }} - {\mu _{\min }} \leqslant {10^{ - 5}}$ 14： break 15： end 16： end 17：迭代次数 $\tau = \tau + 1$ 18：if 收敛精度 $ \leqslant 1{{\text{e}}^{ - 3}}$ $\tau \geqslant 200$ 19：end
Table 2. Simulation parameters
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参数 数值 用户最大发射功率 ${p_{\max }}$ 34 等效噪声功率 ${\sigma ^2}$ −80 系统传输带宽B/ MHz 10 硬件功耗 ${p_{\text{c}}}$ 1.0×10−3 工作载波功率 ${f_{\text{c}}}$ 1.9 CPU计算每比特周期数C/(cyc·bit−1) 1 000 时间块长度T/ s 1 有效电容系数 ${\varphi _{\text{s}}}$ 1.0×10−26
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Yanzhu YU, Yibing LI, Fang YE. Joint task offloading and resource allocation for double-IRS-aided offshore MEC systems[J]. Chinese Journal of Ship Research, 2025, 20(4): 303
Paper Information
Category: Weapon, Electronic and Information System
Received: May. 7, 2024
Accepted: --
Published Online: Sep. 11, 2025
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