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一种自适应阶距的自动频率校正算法 被引量：3

An Auto adaptive Step AFC Scheme
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摘要 本文提出了一种新的AFC(自动频率校正 )算法 ,用于克服非连续导频CDMA移动通信系统中的固有频偏 .新算法可以自适应地调节本振频率跟踪载波频率的阶距 ,从而很好地缩短了AFC的跟踪时间和改进了频率校正的精度 . A novel automatic frequency correction scheme is proposed for discontinuous pilot CDMA (Code division multiple access) mobile communication system in this paper.It adopts auto-adaptive step to track the frequency offset,so that it can shorten the AFC (Automatic frequency correction) tracking period and improve frequency precision.
作者 张严 郭经红 尤肖虎
机构地区 东南大学移动通信国家重点实验室
出处 《电子学报》 EI CAS CSCD 北大核心 2000年第z1期70-72,共3页 Acta Electronica Sinica
基金 国家杰出青年基金!(No .6972 50 0 1 )
关键词 AFC CDMA 信道估计 频偏 相关 频率跟踪 AFC CDMA channel estimation frequency offset correlation frequency tracking
分类号 TN-55 [电子电信]
  • 相关文献

参考文献5

  • 1[1]Francis P.Natali.AFC tracking algorithms[J].IEEE Trans.on Communications,Aug.1984,com-32(8):935.
  • 2[2]Yan Li,Xiao Hu Yu.Automatic frequency correction scheme for spread spectrum coherent RAKE receiver[J].IEE Electronic Letters,April 1998,34(9):844.
  • 3[3]ETSI SMG2 UMTS ITU expert group.Description of the Terrestrial Radio Access System[S].SMG2 UMTS-ITU 26/98.
  • 4[4]Yan Zhang,Xiao Hu Yu.AFC scheme for discontinuous pilot mobile communication system[J].IEE Electronic Letters Vol.36 No.16 3rd August 2000.P1417.
  • 5[5]China Wireless Telecommunication Standard(CWTS) Working Group 1(WG1) Node B Radio Transmission and Reception[S].Annex B.2 Channel models TS C402 v.3.0.0(1999-10).

同被引文献14

  • 1Tolonen M, Talvitie J.Carrier Recovery and Tracking Performance for CDMA Land Mobile Satellite Links.Proceedings of Seventh IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Vol 2.Piscataway(NJ): IEEE Service Center, 1996.4
  • 2Natali F.AFC Tracking Algorithms.IEEE Trans on Communications, 1984, 32 (8):935-947
  • 3Natali F.Noise Performance of a Cross-Product AFC with Decision Feedback for DPSK Signals.IEEE Trans on Communications, 1986,34(3): 303-307
  • 4Natali F. Noise performance of a cross-product AFC with decision feedback for DPSK signals communications. IEEE Transactions on [legacy, pre-1988], 1986, 34(3): 303-307
  • 5ProakisJohnG 张力军 宗橙译.数字通信(第三版)[M].北京:电子工业出版社,2001..
  • 6Kim Young-Han, Choi Yong-Chang, Seo Min-Woo, et al. A CMOS transceiver for a multistandard 13.56- MHz RFID reader SoC [J]. IEEE Transactions on In- dustrial Electronics, 2010,57 (5) : 1563-1572.
  • 7Nick Jungels,Vivek Bhan. Adopting an RFIC applica- tion-programming interface [J]. RF Design, 2007 (7) : 32-34.
  • 8Lee Han-il ,Cho Je-Kwang, Lee Kun-Seok, et al. A E- & fractional-N frequency synthesizer using a wideband integrated VCO and a fast AFC technique for GSM/ GPRS/WCDMA Applications [J]. IEEE Journal of Solid-state Circuits, 2004,39 (7) : 1164-1169.
  • 9Akamine Y, Tanaka S, Kawabe M,et al. A polar loop transmitter with digital interface including a loop- bandwidth calibration system[C]. Solid-state Circuits Conference, San Francisco : IEEE International, 2007 : 348-608.
  • 10Shin Jaewook,Shin Hyunchol. A fast and high-preci- sion VCO frequency calibration technique for wide- band Y--A fractional-N frequency synthesizers [J]. IEEE Transactions on Circuits and Systems, 2010,57 (7):1573-1582.

引证文献3

二级引证文献3

电子学报
2000年 第z1期

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