無(wú)線(xiàn)供電混合多址接入網(wǎng)絡(luò)的資源分配

張廣馳; 曾志超; 崔苗; 林凡

doi:10.11999/JEIT180219

無(wú)線(xiàn)供電混合多址接入網(wǎng)絡(luò)的資源分配

doi: 10.11999/JEIT180219

張廣馳¹,
曾志超¹,
崔苗^1, ,,
林凡²

1.
廣東工業(yè)大學(xué)信息工程學(xué)院 ??廣州 ??510006
2.
廣州杰賽科技股份有限公司 ??廣州 ??510310

基金項(xiàng)目: 國(guó)家自然科學(xué)基金(61571138)；廣東省科技計(jì)劃(2017B 090909006, 2016B090904001)；廣州市科技計(jì)劃(201803030028)

詳細(xì)信息

作者簡(jiǎn)介:
張廣馳：男，1982年生，副教授，研究方向?yàn)樾乱淮鸁o(wú)線(xiàn)通信技術(shù)

曾志超：男，1992年生，碩士生，研究方向?yàn)榉钦欢嘀方尤胭Y源分配策略

崔苗：女，1978年生，講師，研究方向?yàn)樾乱淮鸁o(wú)線(xiàn)通信網(wǎng)絡(luò)

林凡：男，1983年生，高級(jí)工程師，研究方向?yàn)槲锫?lián)網(wǎng)和智能化網(wǎng)絡(luò)等

通訊作者:
崔苗　 cuimiao@gdut.edu.cn

中圖分類(lèi)號(hào): TN915
計(jì)量
- 文章訪(fǎng)問(wèn)數(shù): 1559
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2018-03-07
- 修回日期: 2018-08-13
- 網(wǎng)絡(luò)出版日期: 2018-08-24
- 刊出日期: 2018-12-01

Resource Allocation for Wireless Powered Hybrid Multiple Access Networks

1.
School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China
2.
Guangzhou GCI Science & Technology Co., Ltd., Guangzhou 510310, China

Funds: The National Natural Science Foundation of China (61571138), The Science and Technology Plan Project of Guangdong Province (2017B090909006, 2016B090904001), The Science and Technology Plan Project of Guangzhou City (201803030028)

摘要

摘要: 無(wú)線(xiàn)供電技術(shù)是延長(zhǎng)無(wú)線(xiàn)網(wǎng)絡(luò)節(jié)點(diǎn)壽命的有效方案。該文研究一個(gè)由基站和多個(gè)分簇用戶(hù)組成的無(wú)線(xiàn)供電混合多址接入系統(tǒng)。系統(tǒng)的傳輸分為兩個(gè)階段。在第1階段，基站向用戶(hù)廣播能量；在第2階段，用戶(hù)向基站傳輸信息。用戶(hù)簇和用戶(hù)簇之間采用時(shí)分多址接入，分時(shí)傳輸；同一簇內(nèi)多個(gè)用戶(hù)采用非正交多址接入，同時(shí)傳輸。該文研究聯(lián)合優(yōu)化系統(tǒng)的各階段的傳輸時(shí)間、基站的發(fā)射功率、用戶(hù)的發(fā)射功率等資源，分別以?xún)?yōu)化網(wǎng)絡(luò)頻譜效率和用戶(hù)簇之間的公平性為目的，提出最大化網(wǎng)絡(luò)吞吐量和最大化用戶(hù)簇的最小吞吐量的聯(lián)合資源分配算法。研究結(jié)果表明所提的兩種算法分別能有效提高系統(tǒng)的頻譜效率和保證用戶(hù)簇之間的公平性。
- 無(wú)線(xiàn)供電通信網(wǎng)絡(luò) /
- 非正交多址接入 /
- 用戶(hù)簇 /
- 吞吐量 /
- 公平性
Abstract: Wireless powered technology is an effective way to extend the lifetime of wireless network nodes. A wireless powered hybrid multiple access system is studied that is consist of a base station and multiple users in clusters. The transmission of the system is divided into two phases. The base station broadcasts energy to the users in the first phase. The users transmit information to the base station in the second phase. The users among different clusters transmit in the time division multiple access manner, while the users in the same cluster transmit in the non-orthogonal multiple access manner. Joint phase time duration allocation and power allocation are investigated at the base station and the users in order to improve the spectrum efficiency and user fairness, respectively. Two algorithms are proposed, which maximize the system throughput and the minimum throughput of the clusters, respectively. Simulation results show that the two proposed algorithms can effectively increase spectral efficiency and guarantee fairness of user clusters, respectively.
- Wireless powered communication networks /
- Non-Orthogonal Multiple Access (NOMA) /
- User clusters /
- Throughput /
- Fairness

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圖 2 能量和信息傳輸時(shí)隙圖

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圖 1 無(wú)線(xiàn)供電混合多址接入網(wǎng)絡(luò)

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圖 3 不同基站發(fā)射功率條件下，網(wǎng)絡(luò)吞吐量的比較( ${d_{k,m}} = 3\;{\rm{m}}$ )

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圖 4 不同基站發(fā)射功率條件下，用戶(hù)簇的最小吞吐量的比較( ${d_{k,m}} = 3\;{\rm{m}}$ )

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圖 5 不同用戶(hù)距離的條件下，網(wǎng)絡(luò)吞吐量的比較( ${P_{\max }} = 40\;{\rm{dBm}}$ )

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圖 6 不同用戶(hù)距離的條件下，用戶(hù)簇的最小吞吐量的比較( ${P_{\max }} = 40\;{\rm{dBm}}$ )

下載: 全尺寸圖片幻燈片

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