基于非理想條件可重構(gòu)智能超表面輔助無(wú)線攜能通信-非正交多址接入系統(tǒng)通感性能研究

李興旺; 王新瑩; 田心記; 王心水; 秦攀科; 陳慧

doi:10.11999/JEIT231395

基于非理想條件可重構(gòu)智能超表面輔助無(wú)線攜能通信-非正交多址接入系統(tǒng)通感性能研究

doi: 10.11999/JEIT231395

1.
河南理工大學(xué)物理與電子信息學(xué)院焦作 454003
2.
曲阜師范大學(xué)計(jì)算機(jī)學(xué)院日照 276826
3.
河南理工大學(xué)計(jì)算機(jī)科學(xué)與技術(shù)學(xué)院焦作 454003

基金項(xiàng)目: 河南省重點(diǎn)研發(fā)專(zhuān)項(xiàng)(231111210500)，山東省自然科學(xué)基金(ZR2021MF013)，測(cè)繪科學(xué)與技術(shù)“雙一流”學(xué)科創(chuàng)建項(xiàng)目(GCCRC202306)，河南理工大學(xué)博士基金(B2018-39)

詳細(xì)信息

作者簡(jiǎn)介:
李興旺：男，副教授，研究方向?yàn)樾乱淮鷮拵б苿?dòng)通信系統(tǒng)的新理論及技術(shù)

王新瑩：女，碩士生，研究方向?yàn)樾乱淮鸁o(wú)線通信技術(shù)

田心記：女，副教授，研究方向?yàn)樾乱淮鷮拵б苿?dòng)通信系統(tǒng)的新理論及技術(shù)

王心水：男，副教授，研究方向?yàn)?G通信中的大規(guī)模MIMO通信理論、能效通信和物理層安全等

秦攀科：男，副教授，研究方向?yàn)檐浖x光網(wǎng)絡(luò)、人工智能、云計(jì)算和大數(shù)據(jù)等

陳慧：女，講師，研究方向?yàn)樾乱淮鸁o(wú)線通信技術(shù)、圖像處理

通訊作者:
李興旺　lixingwang@hpu.edu.cn

中圖分類(lèi)號(hào): TN92
計(jì)量
- 文章訪問(wèn)數(shù): 513
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2023-12-19
- 修回日期: 2024-04-15
- 網(wǎng)絡(luò)出版日期: 2024-05-10
- 刊出日期: 2024-06-30

Communication and Sensing Performance Analysis of RIS-assisted SWIPT-NOMA System under Non-ideal Conditions

1.
School of Physics and Electronic Information, Henan Polytechnic University, Jiaozuo 454003, China
2.
College of Computer, Qufu Normal University, Rizhao 276826, China
3.
College of Computer Science and Technology, Henan Polytechnic University, Jiaozuo 454003, China

Funds: The Key Research and Development Project of Henan Province (231111210500), The Natural Science Foundation of Shandong Province of China (ZR2021MF013), “Double First-Class” Discipline Creation Project of Surveying Science and Technology (GCCRC202306), The Doctoral Scientific Funds of Henan Polytechnic University (B2018-39)

摘要

摘要: 為滿足日益增長(zhǎng)的高效通信和可靠感知需求，該文提出可重構(gòu)智能超表面(RIS)輔助無(wú)線攜能通信(SWIPT)-非正交多址接入(NOMA)系統(tǒng)，該系統(tǒng)同時(shí)實(shí)現(xiàn)目標(biāo)感知和信息傳輸。考慮非完美連續(xù)干擾消除(SIC)和信道估計(jì)誤差(CEE)兩種非理想因素，分析了所提系統(tǒng)的可靠性、有效性以及雷達(dá)感知性能，分別推導(dǎo)出系統(tǒng)中斷概率(OP)、遍歷速率(ER)、檢測(cè)概率(PoD)以及雷達(dá)估計(jì)信息速率(REIR)的解析表達(dá)式。分析結(jié)果表明：非完美SIC和CEE對(duì)系統(tǒng)的性能有負(fù)面影響；中斷概率隨基站發(fā)射功率的增大而減小，在高信噪比區(qū)域趨于定值；遍歷速率及雷達(dá)估計(jì)信息速率隨基站發(fā)射功率增大而增加，在高信噪比區(qū)域穩(wěn)定于一個(gè)上限值；在不同的檢測(cè)閾值下，檢測(cè)概率隨基站發(fā)射功率的增大而增大；聯(lián)合雷達(dá)檢測(cè)和通信覆蓋概率(JRDCCP)分別隨中斷閾值和檢測(cè)閾值的升高而降低。
- 通感一體化 /
- 可重構(gòu)智能超表面 /
- 無(wú)線攜能通信 /
- 非正交多址接入
Abstract: To meet the escalating demands for efficient communication and reliable sensing, a Reconfigurable Intelligent Surface(RIS)-assisted Simultaneous Wireless Information and Power Transfer(SWIPT)-Non-Orthogonal Multiple Access(NOMA) system is proposed in this paper. This system is designed to concurrently achieve target sensing and information transmission. Considering the imperfections of Successive Interference Cancellation (SIC) and Channel Estimation Error (CEE), a comprehensive analysis of the system’s reliability, effectiveness, and radar sensing performance is conducted. Analytical expressions for the Outage Probability (OP), Ergodic Rate (ER), Probability of Detection (PoD), and Radar Estimation Information Rate (REIR) of the system are derived to provide insights into its performance. The analysis results reveal the following findings: the presence of imperfect SIC and CEE adversely impacts the system’s performance; the OP diminishes as the transmitted power of base station increases, eventually converging to a constant value in the high Signal-to-Noise Ratio (SNR) region; both the ER and the REIR increase with the base station’s transmitted power and eventually stabilize at an upper limit value in the high SNR region; the PoD increases with the base station’s transmit power at different detection thresholds; the Joint Radar Detection and Communication Coverage Probability (JRDCCP) decreases with the outage threshold and detection threshold, respectively.

HTML全文

圖 1 3種不同情況下用戶的中斷概率圖

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圖 2 用戶的遍歷速率和REIR圖

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圖 3 不同檢測(cè)閾值下用戶的檢測(cè)概率圖

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圖 4 理想和非理想情況下的JRDCCP

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