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| 5 | 1/1 | 返回列表 |
| 查看: 1285 | 回復(fù): 2 | ||
| 本帖產(chǎn)生 1 個(gè) 翻譯EPI ，點(diǎn)擊這里進(jìn)行查看 | ||
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lclclclc88金蟲(chóng) (小有名氣)
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[求助]
求助一段英文翻譯 關(guān)于無(wú)線通信的
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X. CONCLUSION In this paper we have presented a performance analysis of the Wireless Integrated Multiple Access (WIMA) protocols. These schemes, which combine the pure-reservation NIFFL are especially well suited to satellite networks and to highspeed wireless terrestrial networks in which the round-trip propagation delay is greater than the data-packet duration, although they are also appropriate for environments in which propagation delay is less than a packet duration. The techniques we have developed to exploit the structural properties of the two-dimensional first-order Markov chain that characterizes this scheme have been shown to permit the efficient and accurate evaluation of data-packet delay and voice-call blocking probabiliy. Performance results illustrate the dependence of performance on system parameters, and demonstrate the improved performance that can be achieved through the use of the movable-boundary version as compared to the fixed-boundary version. Trade-offs between data-packet delay and voice-call blocking probability show the importance of the parameter Vmax, the threshold used to control access of voice calls to the system. |
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lclclclc88
金蟲(chóng) (小有名氣)
- 應(yīng)助: 0 (幼兒園)
- 金幣: 968.5
- 紅花: 1
- 帖子: 61
- 在線: 14.1小時(shí)
- 蟲(chóng)號(hào): 1287883
- 注冊(cè): 2011-05-06
- 專業(yè): 電路與系統(tǒng)
3樓2012-04-12 19:42:00
let_us_begin
金蟲(chóng) (正式寫(xiě)手)
- 翻譯EPI: 14
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- 蟲(chóng)號(hào): 1691365
- 注冊(cè): 2012-03-14
- 專業(yè): 化學(xué)反應(yīng)工程
【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
lclclclc88: 金幣+20, 翻譯EPI+1 2012-04-11 16:30:41
Mally89: 金幣+1, 感謝應(yīng)助！~歡迎常來(lái)！·好運(yùn)！~\(^o^)/~ 2012-04-14 13:40:15
lclclclc88: 金幣+20, 翻譯EPI+1 2012-04-11 16:30:41
Mally89: 金幣+1, 感謝應(yīng)助！~歡迎常來(lái)！·好運(yùn)！~\(^o^)/~ 2012-04-14 13:40:15
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結(jié)論 在本文中，我們提出了一個(gè)性能分析的無(wú)線集成多址協(xié)議（WIMA）。該方案與純保留NIFFL相結(jié)合，特別適合衛(wèi)星網(wǎng)絡(luò)和陸地高速無(wú)線網(wǎng)絡(luò)，該網(wǎng)絡(luò)的數(shù)據(jù)往返傳輸延遲要大于數(shù)據(jù)包的持續(xù)時(shí)間，盡管它也適用于往返傳輸延遲要小于數(shù)據(jù)包持續(xù)時(shí)間的環(huán)境。我們已經(jīng)開(kāi)發(fā)了一種技術(shù)來(lái)確定二維一階馬爾可夫鏈的結(jié)構(gòu)性質(zhì)，該鏈可以對(duì)本方案進(jìn)行表示，結(jié)果表明，該方法可以對(duì)數(shù)據(jù)包延遲和呼叫阻斷的可能性進(jìn)行有效、準(zhǔn)確的評(píng)估。測(cè)試結(jié)果表明系統(tǒng)性能和系統(tǒng)參數(shù)有關(guān)，與固定邊界的版本相比，使用可移動(dòng)邊界的版本可以提高系統(tǒng)的性能。權(quán)衡data-packet延遲和voice-call阻塞概率顯示參數(shù)空間門檻的重要性 ,該門檻被用來(lái)控制系統(tǒng)的語(yǔ)音接入。 |
2樓2012-04-11 11:40:23
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