VLC中的常见术语

上学期组会中一次文献分享提到了VLC中的常见术语，包含了器件、技术等主题，下面对这些名词做一些解释和理解：Underwater 含义: 水下可见光通信介绍: 利用可见光在水下环境中进行数据传输技术Software Pre-Equalizer:含义: 软件预均衡器介绍: 在信号传输前对其进行处理，以减少失真PIN Array:含义: PIN 二极管阵列介绍: PIN 二极管是一种光电探测器，用于将光信号转换为电信号阵列形式可以提高接收灵敏度和覆盖范围LSC:含义: Light-to-Signal Converter（光信号转换器）介绍: 将接收到的光信号转换为电信号以供进一步处理MIMO:含义: Multiple Input Multiple Output（多输入多输出）介绍: 一种使用多个发射器和接收器来提高通信系统容量和可靠性的技术Hardware Pre-Equalizer:含义: 硬件预均衡器介绍: 在硬件层面上对信号进行预处理的设备，以减少传输过程中的失真Si-Based LED:含义: 硅基发光二极管介绍: 使用硅材料制造的LED，具有较高的效率和稳定性LED Array:含

无线光通信 · 03-18

EAWC | Listening, note-taking and summary

Listening and note-takingTips for note-taking:Don't take notes just for taking notes. Take it in an valuable and worthy way.Concentrate on important words (usually nouns, verbs, etc.) that give important information to you.Omit unimportant words.Have a consistent system for punctuation and abbreviation that will make sense to you. (It's unnecessary to make sense for others)Make the best of abbreviations, symbols and shapes.Summary writingGist: the main or essential part Summary: a comprehensive

English for academic writing and communication · 2024-11-22

EAWC | Seminar discussion and presentation

Discussion skillsEffective discussion should be:Be an attentive audienceA discussion should have a conclusion (decisions), otherwise it is an ineffective discussionTips for participating a discussion:For freshmen:ask a question so that the speaker can clarify or elaborate on a point that you don't understandask cause-and-effectFor junior students:explain that you find the speaker's opinions or points interesting and describe whybased on what the speaker had said and extend his opinion / pointspa

English for academic writing and communication · 2024-11-15

EAWC | Results, discussion, conclusion & poster presentation

Final part of paper writingSection of resultsIn this section, specific data of the work and detailed analysis of the data should be fully presented.Three moves to write results part:Provide preparatory informationDescribe the data in figures and tablesReport the results based on the dataWriting requirements for results:any data given in this section must be meaningfulpresentation of the data should be short without verbiage and be crystal claritythis section should also be well-written and shoul

English for academic writing and communication · 2024-11-08

DCN | Semi-Markovian system

M/G/1 queuing systemG means general distribution / more general situation. In this case, service time of the server has a general distribution with mean $X=E[x ]=1/\mu$ and standard deviation $\sigma_x$, where $mu$ is the mean service rate (services per second, etc.)Mean waiting time for a service request can be described by P-K formula: $$W=\frac{\lambda E[x^2]}{2(1-\rho)} $$ Using Little's Law, we can obtain the mean number of service requests in the buffer: $$N_Q=\lambda W=\frac{\lambda^2 E[x

Data communication networks · 2024-11-05

EAWC | Introduction, methods & editing

How to write a good introductionImportancemost read partdetermine the attitude of readerthe most dedicate partThe earlier you write the introduction part, the more you have to polish in the end. It's greatly suggested writing the introduction part after you finish the main body or at least the draft of your whole paper.Writing grammarTensePresent Simple/Present Continuous: this pair is used to state accepted facts and truths.Past Simple/Present Perfect: this pair is used to discuss the knowledge

English for academic writing and communication · 2024-11-01

EAWC | Paper publication process

Paper publication issuesCategories of papers:General articleTheoretical articleTechnical articleReport of significant achievementsOther kinds of articlesClassification of journals:JournalRapid communication / lettersReviewProceedingsOther technical documents: standard, patent, etc.Procedures of paper submission:In advance: Choose target journalsnecessary selection: read few published papers in this journal, it's better done before writing your paperone paper can only be submitted to one journal

English for academic writing and communication · 2024-10-25

DCN | Queuing models in data link networks

Ergodic process:As nothing is neither generated or lost in the queuing system, the arrival rate of packages equals to the departure rate.Little's LawStochastic processes and Markov chainsGiven appropriate state space and time variable, a stochastic process can be properly described. If the time variable is discrete, the process is called discrete-time process; otherwise, it's called continuous-time process.$\mu$ is the number of customers that can be served at one time (serving rate) $\lambda$

Data communication networks · 2024-10-25