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Effects of Spatial Characteristics on Smart Antenna System with Uniform Linear Antenna Array 被引量：3

Effects of Spatial Characteristics on Smart Antenna System with Uniform Linear Antenna Array
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摘要 The effect of the spatial characteristics of antenna array on smart antenna systems can not be neglected. In the paper, the relation between spatial correlation and inter-antenna distance, impinging angle, angle spread is first investigated. With the same beam forming algorithm, we simulate the performance of smart antenna system with different Angle Spread （AS） values on the conditions of ideal and real Angle of Arrival （AOA） estimation. The results show that with the ideal AOA estimation, the AOA is enough accurate to guarantee that the system only has little performance degradation even in the case of 20 degreee AS value while the real AOA estimation influenced by channel environment degrades the performance very obviously, up to about 7 dB. The effect of the spatial characteristics of antenna array on smart antenna systems can not be neglected. In the paper, the relation between spatial correlation and inter-antenna distance, impinging angle, angle spread is first investigated. With the same beam forming algorithm, we simulate the performance of smart antenna system with different Angle Spread （AS） values on the conditions of ideal and real Angle of Arrival （AOA） estimation. The results show that with the ideal AOA estimation, the AOA is enough accurate to guarantee that the system only has little performance degradation even in the case of 20 degreee AS value while the real AOA estimation influenced by channel environment degrades the performance very obviously, up to about 7 dB.
作者 CAO Wei feng WANG Wen-bo
机构地区 Beijing University of Posts and Telecommunications
出处 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2005年第4期48-52,共5页 中国邮电高校学报（英文版）
基金 This workis supported by National 863 Project (2003AA12331004) .
关键词 angle spread smart antenna uniform linear antenna array angle spread smart antenna uniform linear antenna array
分类号 TN91 [电子电信—通信与信息系统]
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参考文献15

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同被引文献22

  • 1钟卫,徐友云,蔡跃明.非合作功率控制博弈优化设计[J].解放军理工大学学报（自然科学版）,2005,6(2):108-113. 被引量：7
  • 2ZHANG Jing-mei SHAO Chun-ju WANG Ying ZHANG Ping.Joint Relaying Selection and Power Allocation Algorithms for Cooperative Cellular System[J].The Journal of China Universities of Posts and Telecommunications,2005,12(4):88-93. 被引量：3
  • 3张羚龙.圆阵和L型阵的测向性能比较[J].中国无线电,2006(2):48-51. 被引量：3
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  • 5ZHENG Gao,MA Shao-dan.Robust Beamforming in Cognitive Radio[J].IEEE Transactions on Wireless Communications,2010,9(2):570-576.
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  • 7JAEWOON KIM,SANHAE KIM.A Cognitive Beamforming Scheme for Coexistence of Incumbent and Cognitive Radios[C]∥Consumer Communications and Networking Conference.Piscatway,NS,USA:IEEE,2009:663-666.
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引证文献3

二级引证文献10

The Journal of China Universities of Posts and Telecommunications
2005年 第4期

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