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改進(jìn)的多信道S-ALOHA暫態(tài)性能分析辦法及其應(yīng)用

簡(jiǎn)鑫 曾孝平 譚曉衡 田蜜 苗麗娟

簡(jiǎn)鑫, 曾孝平, 譚曉衡, 田蜜, 苗麗娟. 改進(jìn)的多信道S-ALOHA暫態(tài)性能分析辦法及其應(yīng)用[J]. 電子與信息學(xué)報(bào), 2016, 38(8): 1894-1900. doi: 10.11999/JEIT151207
引用本文: 簡(jiǎn)鑫, 曾孝平, 譚曉衡, 田蜜, 苗麗娟. 改進(jìn)的多信道S-ALOHA暫態(tài)性能分析辦法及其應(yīng)用[J]. 電子與信息學(xué)報(bào), 2016, 38(8): 1894-1900. doi: 10.11999/JEIT151207
JIAN Xin, ZENG Xiaoping, TAN Xiaoheng, TIAN Mi, MIAO Lijuan. Improved Transient Performance Analysis Algorithm of Multichannel S-ALOHA and Its Applications[J]. Journal of Electronics & Information Technology, 2016, 38(8): 1894-1900. doi: 10.11999/JEIT151207
Citation: JIAN Xin, ZENG Xiaoping, TAN Xiaoheng, TIAN Mi, MIAO Lijuan. Improved Transient Performance Analysis Algorithm of Multichannel S-ALOHA and Its Applications[J]. Journal of Electronics & Information Technology, 2016, 38(8): 1894-1900. doi: 10.11999/JEIT151207

改進(jìn)的多信道S-ALOHA暫態(tài)性能分析辦法及其應(yīng)用

doi: 10.11999/JEIT151207
基金項(xiàng)目: 

國家自然科學(xué)基金(91438104, 61571069, 61501065), 中央高校基本科研業(yè)務(wù)費(fèi)(106112015CDJXY160002)

Improved Transient Performance Analysis Algorithm of Multichannel S-ALOHA and Its Applications

Funds: 

The National Natural Science Foundation of China (91438104, 61571069, 61501065), Fundamental Research Funds for the Central Universities (106112015CDJXY160002)

  • 摘要: 海量機(jī)器類終端(或MTC終端)同步入網(wǎng)時(shí),其業(yè)務(wù)呈現(xiàn)瞬時(shí)突發(fā)性,這使得基于齊次或復(fù)合泊松假設(shè)的多信道S-ALOHA穩(wěn)態(tài)性能分析辦法難以直接應(yīng)用。該文以第i個(gè)隨機(jī)接入時(shí)隙內(nèi)第j次進(jìn)行隨機(jī)接入的用戶數(shù)Mi(j)作為狀態(tài)變量,提出了一種沿Mi(j) 的j方向迭代進(jìn)行多信道S-ALOHA暫態(tài)性能分析的辦法及其近似形式。該迭代辦法可建立第i個(gè)隨機(jī)接入時(shí)隙內(nèi)第j次進(jìn)行隨機(jī)接入的用戶數(shù)與第x個(gè)隨機(jī)接入時(shí)隙內(nèi)新到用戶數(shù)的直接關(guān)系(其中xi),也可給出接入時(shí)延概率密度函數(shù)、概率分布函數(shù)和均值的求解辦法。以3GPP MTC業(yè)務(wù)參考模型進(jìn)行數(shù)值仿真,驗(yàn)證了所提迭代辦法及其近似形式的有效性。相關(guān)研究可為承載網(wǎng)絡(luò)的優(yōu)化設(shè)計(jì)提供參考。
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出版歷程
  • 收稿日期:  2015-10-29
  • 修回日期:  2016-02-19
  • 刊出日期:  2016-08-19

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