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接收端配備濾波器的分布式波束形成技術(shù)

張立 陳海華 何明

張立, 陳海華, 何明. 接收端配備濾波器的分布式波束形成技術(shù)[J]. 電子與信息學(xué)報(bào), 2015, 37(7): 1544-1549. doi: 10.11999/JEIT141382
引用本文: 張立, 陳海華, 何明. 接收端配備濾波器的分布式波束形成技術(shù)[J]. 電子與信息學(xué)報(bào), 2015, 37(7): 1544-1549. doi: 10.11999/JEIT141382
Zhang Li, Chen Hai-hua, He Ming. Distributed Beamforming with Receive Filter[J]. Journal of Electronics & Information Technology, 2015, 37(7): 1544-1549. doi: 10.11999/JEIT141382
Citation: Zhang Li, Chen Hai-hua, He Ming. Distributed Beamforming with Receive Filter[J]. Journal of Electronics & Information Technology, 2015, 37(7): 1544-1549. doi: 10.11999/JEIT141382

接收端配備濾波器的分布式波束形成技術(shù)

doi: 10.11999/JEIT141382
基金項(xiàng)目: 

國家自然科學(xué)基金(61171140)和東南大學(xué)移動(dòng)通信國家重點(diǎn)實(shí)驗(yàn)室開放研究基金(2011D06)資助課題

Distributed Beamforming with Receive Filter

  • 摘要: 基于頻率選擇性信道中由一個(gè)發(fā)射節(jié)點(diǎn)、一個(gè)目標(biāo)節(jié)點(diǎn)和多個(gè)中繼節(jié)點(diǎn)構(gòu)成的中繼網(wǎng)絡(luò),該文提出一種新型的分布式波束形成技術(shù)。該技術(shù)除了在中繼節(jié)點(diǎn)上采用濾波而后轉(zhuǎn)發(fā)的中繼數(shù)據(jù)中轉(zhuǎn)策略之外,在接收節(jié)點(diǎn)也配備一個(gè)有限長響應(yīng)(Finite Impulse Response, FIR)濾波器,共同均衡發(fā)射節(jié)點(diǎn)與中繼節(jié)點(diǎn)以及中繼節(jié)點(diǎn)與接收節(jié)點(diǎn)之間的頻率選擇性信道。該文中,此兩種濾波器將得到聯(lián)合優(yōu)化以提高接收節(jié)點(diǎn)的服務(wù)質(zhì)量,并同時(shí)滿足中繼節(jié)點(diǎn)的發(fā)射功率限制。仿真結(jié)果表明,相較于放大而后轉(zhuǎn)發(fā)以及濾波而后轉(zhuǎn)發(fā)但無接收濾波器的波束形成器而言,所提波束形成技術(shù)極大地提高了頻率選擇性信道中中繼網(wǎng)絡(luò)的性能。
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出版歷程
  • 收稿日期:  2014-10-29
  • 修回日期:  2015-03-27
  • 刊出日期:  2015-07-19

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