全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

降低MIMO系统中预编码复杂度的均值方案

DOI: 10.3969/j.issn.1006-7043.2009.05.018

Keywords: 多输入-多输出 预编码 注水算法 均值 奇异值

Full-Text   Cite this paper   Add to My Lib

Abstract:

在多输入-多输出(MIMO)通信系统中,如果发射端能够获得当前信道的准确状态信息(CSI),则可以在发射端进行优化设计来改善整个系统的传输性能.但是其优化设计的经典类注水算法大大增加了发射端预编码的复杂度.为了降低MIMO系统发射端预编码处理的复杂度,提出了一种新的均值方案.该方案利用信道奇异值的均值去代替类注水算法中的实时奇异值.仿真结果表明,该方案在能够准确表征MIMO系统信道容量和其他性能的前提下,可以降低约一个数量级的复杂度.

References

[1]  1. TELETAR E Capacity of multi-antenna Gaussian channels 1995
[2]  2. FOSCHINI G J.GANS M On the limits of wireless communication in a fading environment when using multiple antennas 1998
[3]  3. RALEIGH G G.CIOFFI J M Spatio-temporal coding for wireless communication 1998
[4]  4. PAULRAJ A J.NABAR R.GORE D Introduction to space-time wireless communications 2003
[5]  5. FOSCHINI G J Layered space-time architecture for wireless communication in a fading environment when using multi-element antennas 1996(2)
[6]  6. WOLNIANSKY P W.FOSCHINI G J.GOLDEN G D.VALENZUELA R A V-blast:An architecture for realizing very high data rates over the rich scattering wireless channel 1998
[7]  7. SAMPATH H.STOICA P.PAULRAJ A Generalized linear precoder and decoder design for MIMO channels using the weighted MMSE criterion 2001
[8]  8. SCAGLIONE A.STOICA P.BARBAROSSA S Optimal designs for space-time linear precoders and decoders 2002
[9]  9. PALOMAR D P.CIOFFI J M.LAGUNAS M A Joint Tx-Rx beamforming design for multicarrier MIMO channels:a unified framework for convex optimization 2003
[10]  10. LEBRUN G.GAO J.FAULKNER M MIMO Transmission over a time-varying channel using SVD 2005
[11]  11. JIANG Y.LI J.HAGER W W Joint transceiver design for MIMO communications using geometric mean Decomposition 2005
[12]  12. SMITH P J.KUO P H.GARTH L M Level crossing rates for MIMO channel eigenvalues:implications for adaptive systems 2005
[13]  13. 谢红.王立王莹.何祥宇 一种改进的MIMO系统接收天线选择算法 [期刊论文] -应用科技2008(4)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133