智能反射界面輔助的智慧交通可見光通信系統(tǒng)

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主題詞：智能反射界面 可見光通信 誤碼率停機概率 塊誤碼率中圖分類號：TN92 文獻(xiàn)標(biāo)志碼：A DOI：10.19620/j.cnki.1000-3703.20241044

Intelligent Transportation Visible Light Communication System Assisted byIntelligent Reflective Surface

YangJian'，LiGuoxingl，HuangXiaoqiong1，2，NiuMingbo1 （1.Schoolof EnergyandElectrical Engineering，Chang'an University，Xi'an710o18;2.BYDAuto Company Limited， Xi'an ）

【AbstractIToaddressthechallenges intecommunicationbetwe infrastructureand vehicles in intellgent transportation systems，thispaperappliesteIntelligentReflectingSurface（IRS）totheintellgenttransportationsystembasedonvisiblelight transmission，anddeeplyanalyzesitschanneltransmissionmodelandtheinfluenceofroadinfrastructureparameters.Byodeling theNon-Line-of-Sight （NLOS）channelbetweentheinfrastructureandvehicles，thetransmisionperformanceofsignals inthe NLOSchannelisanalyzed.Theclosed-formanalyticalsolutionsofthesystemperformancearederivedforthebiterrorrate， downtimeprobabilityandblockerorrateoftheIRS-asstedNOScommunication.Theimpactofthecompoundpintingeror onthebiterrorate，downtimeprobabilityandblockerorratoftheI-asistedNLOScommuncationsysemisalydThe bit error rate performance under M -aryPhase Shift Key （MPSK）modulation and traditional key control modulation is also analyzed.TheexperimentalresultsshowthatundertheIR-asistedNLOStransmissioncondition，whenthelinkfolowsthe double-RayleighdistributionortheRayleigh-Ricecombineddistribution，increasing thedistancebetween thetransceiver devicesand theheightof thestreetlampwillincreasethebiterorrate.Increasingthedowntimethresholdcan increase the downtime probability.Increasing the numberof transmited bitblockscan improvetheblock errorrate.MPSK modulationcan reducethesystemiterorratemorerapidly，ndtheperformanceisenancedasthemodulationorderincreases.Afterconsidering thepointingerrortoesstemitsitrorate，dowtieprobabilitydblockrorateallrease.propoedean effectively enhance system communication performance.

Key words： Intelligent Reflecting Surface （IRS），Visible light communication，Bit errorrate， owntimeprobability，Block errorrate

【引用格式】楊建，李國興，黃小瓊，等.智能反射界面輔助的智慧交通可見光通信系統(tǒng)[J].汽車技術(shù)，2025（5）：1-10.YANGJ，LIGX，HUANGXQ，etal.InteligentTansportationVisibleLightCommuicationSystemAssistedbyIntellgntReflective Surface[J]. Automobile Technology，2025（5）： 1-10.

1前言

車載通信技術(shù)能夠促進(jìn)車輛、行人和基礎(chǔ)設(shè)施間的互聯(lián)互通，對于改善交通流量、提升道路安全性和駕乘舒適度至關(guān)重要[1-2]。（剩余12673字）