移动信道

  • 网络Mobile channel
移动信道移动信道
  1. 这种算法可应用于公共交换电话网(PSTN),Internet或移动信道的视频通信。

    This algorithm can be applied in video communication of Public Switched Telephone Network ( PSTN ), Internet or mobile channel .

  2. 无线移动信道在FSK系统中的建模与仿真

    Modeling and simulation of wireless mobile channel in FSK system

  3. 无线移动信道OFDM数据传输方式

    The Scheme of Data Transmission for Mobile Radio Channel Using OFDM

  4. TurboTCM及在卫星移动信道中的性能分析

    Turbo TCM and its Performance Analysis in Mobile Satellite Channel

  5. 一种新的卫星移动信道Markov两状态统计模型

    A Novel Statistical Model of Mobile Satellite Channel Markov 2-state

  6. Ka频段卫星移动信道中信号传输体制设计与仿真

    Design and Simulation of Signal Transmission Scheme over Ka-band Mobile Satellite Channel

  7. 在卫星移动信道中不同条件下Turbo码的纠错性能研究

    Study on error - correction performance of Turbo codes in mobile satellite channel under different fading conditions

  8. 针对频率选择性衰落MIMO移动信道,建立三维(3D)纯随机模型,并推导出3DMIMO信道模型的联合空时频相关函数。

    A 3D statistical channels model for mobile frequency selective fading MIMO channels was proposed and a new joint space-time-frequency correlation function was derived .

  9. 移动信道三状态Markov模型建立及其差错序列的计算机软件产生

    Setting up of Markov model with three states for the mobile radio channel and generating of the error sequence on a computer

  10. 该文根据频域相关的原理,提出了一种新的用于无线移动信道下的正交频分复用(OFDM)系统的时频同步算法。

    A new time and frequency synchronization method based on frequency domain correlation for an Orthogonal Frequency Division Multiplexing ( OFDM ) system is presented .

  11. 移动信道下采用Punctured卷积码实现不等错误保护的研究

    Research on Unequal Error Protection with Punctured Convolutional Codes in Image Transmission System over Mobile Channels

  12. 移动信道GMSK窄带数字调制解调系统

    Narrow-band Digital Modem of GMSK in Mobile Channels

  13. 正交频分复用(OFDM)是一种新型调制技术,特别适合在多径传播的无线移动信道中高速传输数据。

    OFDM ( Orthogonal Frequency Division Multiplexing ) is a new modulation technology , it is suitable to high-data-rate transmission in the wireless transfer channel with multi-path transmission .

  14. 从该模型可以推导到其它各种经典的卫星移动信道传播模型,并且具有良好的全波段特性(从UHF到Ka)和实际逼真度。

    The LR 2 model suits well with the features of wide-band ( from UHF to Ka ) channels used by MSS .

  15. 在高效时间同步与频偏估计算法的研究中,本文针对现有OFDM时频同步技术存在的问题,提出了一种新的用于无线移动信道下OFDM系统的高效时频同步算法。

    In the research of high-efficient time-frequency synchronization algorithms of OFDM systems , this dissertation presents a new time and frequency synchronization method used in wireless mobile communication environments .

  16. 由于移动信道的多种不确定因素,正交频分复用(OFDM)技术成为适应这种信道环境的传输技术之一。

    Taking many uncertain factors in mobile communication channel into account , OFDM ( orthogonal frequency-division multiplexing ) is one of the promising techniques that meet such requirements with reasonable complexity .

  17. 为了很好地利用移动信道,CDPD系统有一个功能复杂的MAC(媒质接入控制)层。

    The CDPD system has a complex media access control ( MAC ) layer in order to make full use of mobile channels .

  18. 同时给出一个适合于移动信道的GMSK通信系统与测试结果。

    A model of GMSK communication system in mobile channels and its test rest results are also given .

  19. 在相关的MIMO移动信道仿真表明:当信道在N个连续OFDM符号时间内保持基本不变时,二者的BER性能是一致的;

    After simulation in mobile MIMO channel , we find the following results : when channel remains approximately invariant during N continuous OFDM symbols , both patterns show the same BER performance ;

  20. 本文主要研究了在高速移动信道条件下联合应用多输入多输出(MIMO)和正交频分复用(OFDM)的无线移动通信系统。

    This paper mainly studies a wireless mobile communication system which combines multiple-input multiple-output ( MIMO ) with orthogonal frequency division multiplexing ( OFDM ) technology under the high speed mobile channel .

  21. 正交频分复用(OFDM,OrthogonalFrequencydivisionMultiplexing)是目前频谱利用率最高的一种技术,适合在多径传播和多普勒频移的无线移动信道中传输高速数据。

    Orthogonal Frequency Division Multiplexing ( OFDM ) is a technique which has the highest spectrum efficiency currently , suitable for the multi-path transmission and Doppler frequency shift of the wireless mobile channel to transfer high-speed data .

  22. 设计并仿真了适合Ka频段卫星移动信道的信号传输体制,仿真结果为最终实现方案提供了可靠的数据。

    A signal transmission scheme was proposed , which is suitable for Ka-band mobile satellite channel . The numerical simulation results provide dependable data for final implementation .

  23. 接下来介绍了无线移动信道的理论模型,并基于Jakes模型对无线移动信道进行了建模与仿真。

    Then modeling and simulation of wireless channel is described .

  24. 基于对无线移动信道特性的研究,本文对存在的问题进行了分析,提出了在软件无线电平台上实现OFDM系统的解决方案。

    Base on the study of wireless communication channel characteristics , the article gives an analysis on the existing problems and proposes a solution : Implanting the OFDM technique in a software radio platform .

  25. 针对CDPD(蜂窝数字分组数据)系统移动信道的特点,讨论了它的差错控制编码方案。

    According to the characteristics of the mobile channels of CDPD systems , an error control coding scheme is discussed .

  26. 基于信道容量规则和分组分割,构造自适应于AWGN和Rayleigh两种信道的多级编码系统,为移动信道编码调制系统的设计度量提供参考。

    Based on capacity rule and block partitioning ( BP ) strategy , a robust multilevel coding ( MLC ) scheme is proposed for AWGN and Rayleigh fading channels .

  27. WiMAX移动信道条件下RS-CC级联码纠错系统的研究与设计

    Research and Design on Error Correcting System of the Reed-Solomon-convolutional Concatenated Code Used in WiMAX Wireless Mobile Channel

  28. 多径衰落是移动信道的主要特点,而OFDM技术有很好的抗多径衰落的特点,可以解决无线通信中高速率数据传输抗干扰的问题。

    Multipath fading is the main characteristic of mobile communication channel , and OFDM technology can well resist multipath fading , so it can solve the problem of anti-interference when high speed data transmission in wireless communication .

  29. 推导了简洁的非二进制符号MAP算法,并对TurboTCM在卫星移动信道下的性能进行了分析和仿真,结果表明TurboTCM的性能明显优于常规TCM。

    In this paper , the succinct nonbinary MAP algorithm is derived , and the analytical performance of Turbo TCM technique is presented in mobile satellite channel . The simulation results show that Turbo TCM can achieve better performance than conventional TCM .

  30. 针对非频率选择性Rice衰落MIMO移动信道,建立GBDB模型,并推导出新的MIMO系统的GBDB模型的空时联合相关函数。

    Aiming at mobile frequency nonselective Rice fading MIMO channels , the GBDB ( geometrically based double-bounce ) channels model and a new joint space-time correlation function were proposed .