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雙向中繼系統(tǒng)用戶聯(lián)合預(yù)編碼與檢測(cè)算法研究

王林 芮國(guó)勝 張海波

王林, 芮國(guó)勝, 張海波. 雙向中繼系統(tǒng)用戶聯(lián)合預(yù)編碼與檢測(cè)算法研究[J]. 電子與信息學(xué)報(bào), 2015, 37(7): 1550-1555. doi: 10.11999/JEIT141455
引用本文: 王林, 芮國(guó)勝, 張海波. 雙向中繼系統(tǒng)用戶聯(lián)合預(yù)編碼與檢測(cè)算法研究[J]. 電子與信息學(xué)報(bào), 2015, 37(7): 1550-1555. doi: 10.11999/JEIT141455
Wang Lin, Rui Guo-sheng, Zhang Hai-bo. Research on Users Joint Precoding and Detection in Two-way Relay Systems[J]. Journal of Electronics & Information Technology, 2015, 37(7): 1550-1555. doi: 10.11999/JEIT141455
Citation: Wang Lin, Rui Guo-sheng, Zhang Hai-bo. Research on Users Joint Precoding and Detection in Two-way Relay Systems[J]. Journal of Electronics & Information Technology, 2015, 37(7): 1550-1555. doi: 10.11999/JEIT141455

雙向中繼系統(tǒng)用戶聯(lián)合預(yù)編碼與檢測(cè)算法研究

doi: 10.11999/JEIT141455
基金項(xiàng)目: 

國(guó)家自然科學(xué)基金(61179018, 41476089)和泰山學(xué)者建設(shè)工程專項(xiàng)經(jīng)費(fèi)資助課題

Research on Users Joint Precoding and Detection in Two-way Relay Systems

  • 摘要: 雙向中繼協(xié)同通信系統(tǒng)的兩用戶節(jié)點(diǎn)通過中繼節(jié)點(diǎn)相互交換信息,顯示了其在頻譜效率上的優(yōu)勢(shì)。在系統(tǒng)裝備多天線的情況下,為進(jìn)一步改善誤比特率性能,論文提出一種基于格規(guī)約算法的用戶聯(lián)合預(yù)編碼與檢測(cè)算法。該算法通過一次復(fù)數(shù)域格規(guī)約處理來提高信道增益矩陣的正交性,預(yù)編碼和檢測(cè)算法聯(lián)合應(yīng)用處理后的矩陣,中繼節(jié)點(diǎn)僅需要對(duì)接收信號(hào)進(jìn)行求模運(yùn)算和放大轉(zhuǎn)發(fā),算法的復(fù)雜度主要集中在兩用戶節(jié)點(diǎn)上。仿真結(jié)果顯示:相比于傳統(tǒng)的預(yù)編碼和檢測(cè)算法,用戶聯(lián)合預(yù)編碼與檢測(cè)算法在計(jì)算復(fù)雜度僅增加了對(duì)信道增益矩陣一次格規(guī)約計(jì)算的前提下,可顯著降低系統(tǒng)的誤比特率,提高分集增益,具有工程實(shí)用價(jià)值。
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出版歷程
  • 收稿日期:  2014-11-20
  • 修回日期:  2015-03-13
  • 刊出日期:  2015-07-19

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