面向任務(wù)驅(qū)動(dòng)的動(dòng)態(tài)可伸縮空間信息網(wǎng)絡(luò)架構(gòu)設(shè)計(jì)與優(yōu)化

何立軍; 賈子曄; 李世銀; 汪彥婷; 王麗; 劉磊

doi:10.11999/JEIT240505

面向任務(wù)驅(qū)動(dòng)的動(dòng)態(tài)可伸縮空間信息網(wǎng)絡(luò)架構(gòu)設(shè)計(jì)與優(yōu)化

doi: 10.11999/JEIT240505 cstr: 32379.14.JEIT240505

1.
中國礦業(yè)大學(xué)信息與控制工程學(xué)院徐州 221116
2.
南京航天航空大學(xué)電子信息工程學(xué)院南京 210024
3.
西北工業(yè)大學(xué)軟件學(xué)院西安 710072
4.
西安郵電大學(xué)通信與信息工程學(xué)院西安 710121

基金項(xiàng)目: 國家自然科學(xué)基金(62201463, 61901388)，江蘇省自然科學(xué)基金(BK20220883)

詳細(xì)信息

作者簡介:
何立軍：男，副教授，博士，研究方向?yàn)榭仗斓匾惑w化網(wǎng)絡(luò)、無人機(jī)組網(wǎng)、無線通信

賈子曄：女，副教授，博士，研究方向?yàn)榈涂罩锹?lián)網(wǎng)、無人機(jī)、空天地一體化網(wǎng)絡(luò)

李世銀：男，教授，博士，研究方向?yàn)闊o線通信、可見光通信定位一體化、智能感知與精確定位、礦山互聯(lián)網(wǎng)、語義通信

汪彥婷：女，講師，博士，研究方向?yàn)檫吘売?jì)算、邊緣計(jì)算、群智網(wǎng)絡(luò)、模型剪枝

王麗：女，講師，博士，研究方向?yàn)橐苿?dòng)通信網(wǎng)絡(luò)、物聯(lián)網(wǎng)軟件技術(shù)、多源異構(gòu)信息融合

劉磊：男，講師，博士，研究方向?yàn)闊o線網(wǎng)絡(luò)性能分析、非正交多址接入、干擾管理技術(shù)

通訊作者:
李世銀　lishiyin@cumt.edu.cn

中圖分類號(hào): TN929.5
計(jì)量
- 文章訪問數(shù): 259
- HTML全文瀏覽量: 151
- PDF下載量: 34
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2024-06-19
- 修回日期: 2024-11-17
- 網(wǎng)絡(luò)出版日期: 2024-11-29
- 刊出日期: 2024-12-01

Design and Optimization of Task-driven Dynamic Scalable Network Architecture in Spatial Information Networks

HE Lijun¹,
JIA Ziye²,
LI Shiyin^{1
, ,},
WANG Yanting³,
WANG Li³,
LIU Lei⁴

1.
School of Information and Control Engineering, China University of Mining and Technology, Xuzhou 221116, China
2.
School of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210024, China
3.
School of Software, Northwestern Polytechnical University, Xi’an 710072, China
4.
School of Electronic and Communication Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710121, China

Funds: The National Natural Science Foundation of China (62201463, 61901388), The Natural Science Foundation of Jiangsu Province of China (BK20220883)

摘要

摘要: 現(xiàn)階段空間信息網(wǎng)絡(luò)中各衛(wèi)星子系統(tǒng)各成體系且相互割裂，使得網(wǎng)絡(luò)呈現(xiàn)封閉、分裂態(tài)勢，形成嚴(yán)峻資源壁壘，造成空間資源協(xié)同應(yīng)用能力弱以及網(wǎng)絡(luò)擴(kuò)展能力低等難題。傳統(tǒng)架構(gòu)設(shè)計(jì)采用對(duì)現(xiàn)階段空間網(wǎng)絡(luò)架構(gòu)的“完全顛覆”的思路，大大增加了實(shí)際部署的難度。為此，該文立足于衛(wèi)星網(wǎng)絡(luò)現(xiàn)狀，采取“按步驟分階段升級(jí)”的思路，促進(jìn)現(xiàn)有網(wǎng)絡(luò)架構(gòu)的演進(jìn)，從任務(wù)驅(qū)動(dòng)角度開展動(dòng)態(tài)可伸縮空間信息網(wǎng)絡(luò)架構(gòu)模型研究，實(shí)現(xiàn)空間資源在各衛(wèi)星子系統(tǒng)間高效動(dòng)態(tài)共享，促進(jìn)空間資源根據(jù)任務(wù)需求變化而動(dòng)態(tài)高效匯聚。首先，提出分階段實(shí)現(xiàn)的網(wǎng)絡(luò)架構(gòu)模型，旨在兼容和升級(jí)現(xiàn)有網(wǎng)絡(luò)架構(gòu)。隨后，介紹核心部件網(wǎng)絡(luò)資源協(xié)調(diào)器的詳細(xì)設(shè)計(jì)，包括網(wǎng)絡(luò)結(jié)構(gòu)與工作協(xié)議、超幀結(jié)構(gòu)以及高效的網(wǎng)絡(luò)資源動(dòng)態(tài)分配策略，實(shí)現(xiàn)空間數(shù)據(jù)的高效傳輸。仿真結(jié)果表明，所提網(wǎng)絡(luò)架構(gòu)實(shí)現(xiàn)了網(wǎng)絡(luò)資源高效共享，大大提升空間信息網(wǎng)絡(luò)的網(wǎng)絡(luò)性能。
- 空間信息網(wǎng)絡(luò) /
- 網(wǎng)絡(luò)架構(gòu) /
- 資源分配 /
- 數(shù)據(jù)傳輸
Abstract: At the present stage, the satellite subsystems in Space Information Networks (SINs) have their own systems and are separated from each other, which makes the network appear closed and fragmented, forming a severe resource barrier and resulting in weak collaborative application ability of space resources and low network expansion ability. The traditional architecture design adopts the “completely subversive” idea of the current space networks, which greatly increases the difficulty of actual deployment. Therefore, based on the current status of satellite networks, the idea of “upgrading step by step” is adopted to promote the evolution of the existing network architecture, and a dynamic and scalable architecture model is proposed in SINs from the perspective of mission drive, so as to realize the efficient and dynamic sharing of space resources among subsystems and promote the dynamic and efficient aggregation of space resources according to the changes in mission requirements. Firstly, a phased network architecture model is proposed, aiming at compatibility and upgrading of the existing network architecture. Then, the design of the core component coordinator is introduced, including network structure and working protocol, superframe structure, and efficient network resource allocation strategy, to realize the efficient transmission of spatial data. The simulation results show that the proposed network architecture realizes the efficient sharing of network resources and greatly improves the utilization rate of network resources.
- Spatial information networks /
- Network architecture /
- Resource allocation /
- Data transmission

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圖 1 天地協(xié)同網(wǎng)絡(luò)架構(gòu)示意圖

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圖 2 網(wǎng)絡(luò)架構(gòu)分階段演進(jìn)

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圖 3 網(wǎng)絡(luò)資源協(xié)調(diào)器網(wǎng)絡(luò)結(jié)構(gòu)與工作流程設(shè)計(jì)

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圖 4 基于任務(wù)驅(qū)動(dòng)的超幀結(jié)構(gòu)

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圖 5 網(wǎng)絡(luò)模型結(jié)構(gòu)示意圖

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圖 6 網(wǎng)絡(luò)卸載數(shù)據(jù)量隨控制變量$ V $的收斂過程

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圖 7 網(wǎng)絡(luò)性能隨時(shí)隙的變化趨勢

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圖 8 網(wǎng)絡(luò)卸載數(shù)量隨衛(wèi)星天線發(fā)射功率的變化趨勢

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圖 9 不同方案下的網(wǎng)絡(luò)性能比較

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1 基于任務(wù)驅(qū)動(dòng)的動(dòng)態(tài)可伸縮空間信息網(wǎng)絡(luò)架構(gòu)

(1)信息輸入：初始化隊(duì)列$ {\boldsymbol{Q}}(t) = \{ {Q_n}(t)\} $
(2)資源感知：資源協(xié)調(diào)器在超幀$ t $內(nèi)的時(shí)隙0：(1)收集物理網(wǎng)絡(luò)信息計(jì)算衛(wèi)星與數(shù)傳站之間的時(shí)間窗口信息；(2)收集卸載任務(wù)請(qǐng)求，結(jié)合　時(shí)間窗口信息，構(gòu)建卸載任務(wù)信息;
(3)算法執(zhí)行：在超幀$ t $的時(shí)隙1內(nèi):
(a)構(gòu)建優(yōu)化問題$ {\text{P6}} $，調(diào)用Kuhn-Munkres 算法求解最優(yōu)變量值$ {{\boldsymbol{x}}^{\rm{opt}}} $；
(b)基于最優(yōu)變量值$ {{\boldsymbol{x}}^{\rm{opt}}} $，構(gòu)建優(yōu)化問題$ {\text{P8}} $，并執(zhí)行如下流程求解最優(yōu)變量值$ ({{\boldsymbol{y}}}^{\text{opt}},{{\boldsymbol{f}}}^{\text{opt}}) $，其中$ {{\boldsymbol{y}}}^{\text{opt}}=\left\{({{\boldsymbol{y}}}_{s,n}^{t}{)}^{\text{opt}}\right\} $和$ {{\boldsymbol{f}}}^{\text{opt}}=\left\{({f}_{s}^{t}{)}^{\text{opt}}\right\} $；
For $ s = 1:S $
根據(jù)式(14)求出 $ ({y}_{s,n}^{t}{)}^{\text{opt}} $;
$ ({f}_{s}^{t}{)}^{\text{opt}}={{\displaystyle \sum _{h\in \mathcal{H}}({x}_{s,h}^{t})}}^{\text{opt}}{C}_{s,h}^{t} $
End
(4)策略分發(fā)：資源協(xié)調(diào)器將$ {{\boldsymbol{x}}^{\rm{opt}}} $和$ ({{\boldsymbol{y}}}^{\text{opt}},{{\boldsymbol{f}}}^{\text{opt}}) $轉(zhuǎn)化為指令，推送到實(shí)際衛(wèi)星子系統(tǒng)，進(jìn)而構(gòu)建虛擬數(shù)傳站；
(5)數(shù)據(jù)卸載：虛擬衛(wèi)星子系統(tǒng)根據(jù)其網(wǎng)絡(luò)資源和任務(wù)信息執(zhí)行數(shù)據(jù)卸載；
(6)超幀索引更新：檢測超幀$ t $的時(shí)長是否執(zhí)行結(jié)束，若結(jié)束則更新超幀索引：$ t = t + 1 $，根據(jù)式(5)更新隊(duì)列$ {\boldsymbol{Q}}(t) $，并返回步驟(2).

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