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室内无线信道
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  indoor radio channel
     Multi address interference's effect on parallel acquistion performance of DS Multi carrier CDMA system under typical indoor radio channel is discussed.
     讨论了在典型室内无线信道环境中 ,多址干扰对直扩多载波 CDMA并行捕获系统性能的影响 .
短句来源
     This paper introduces the researching methods about indoor radio channel.
     对室内无线信道的研究方法进行了介绍.
  indoor wireless channel
     We discuss how to choose proper CHMM state numbers by simulation and provide a group of CHMM for OFDM system in HIPERLAN/2 indoor wireless channel, which can be used to facilitate the comparison of different coding schemes and analysis of high-level protocol performance.
     通过仿真讨论了CHMM状态数的选取问题,并给出了HIPERLAN/2室内无线信道环境下OFDM系统的一组CHMM,该模型可用于比较不同编码方案的性能或者分析高层协议性能。
短句来源
     Chapter 3 expresses characteristics and the model of the indoor wireless channel IEEE802.11 confronts, explains the principles of the channel estimation method adopted.
     第三章着重叙述IEEES02.11所面临的室内无线信道的特点、模型,阐释我们提出的信道估计的原理。
短句来源
     Chapter 2 describes the characteristics of wireless channel,presents vector channel model for wideband CDMA systems,and emphasizes on the characteristics of indoor wireless channel.
     第二章描述了无线信道的特点,给出了宽带CDMA系统的矢量信道模型,并着重分析了室内无线信道的特征。
短句来源
  indoor wireless channels
     Performance of OFDM transceiver in indoor wireless channels with loading algorithm
     基于加载算法的室内无线信道OFDM接收机的性能(英文)
短句来源
     The algorithm is based on the margin adaptive (MA) loading criterion proposed by Chow and its performance over 5GHz indoor wireless channels.
     此算法基于边缘自适应(Margin Adaptive)加载准则及其在室内无线信道上的性能。
短句来源
  “室内无线信道”译为未确定词的双语例句
     This article describes the modeling of ultra-wideband indoor wireless Propagation channels, especially the standard channel model of IEEE802.15.3a is elaborated, and the possibilities for future improvements.
     本文概述了超宽带室内无线信道的建模过程,并对IEEE802.15.3a的标准信道模型作了详细的介绍,且在此基础上提出了该信道模型尚需改进的地方。
     2. After presenting a typical scheme of UWB, the thesis analyzes the necessity of using Rake receivers and Differential receivers, and furthermore proposes two schemes, i.e. DIFF-PAM-UWB and DIFF-PPM-UWB.
     2、深入研究了典型的UWB通信系统方案及其调制技术,针对室内无线信道特点,论述了采用Rake接收及差分接收的必要性,并提出了超宽带Rake接收机的设计难点和PAM-UWB以及PPM-UWB各自的差分接收方案。
短句来源
     The Application of Lyly Radial Track in Wireless Distribution
     lyly射线跟踪法在计算室内无线信道场强分布中的应用
短句来源
     Comparison and analysis with wide - band and ultra - wide band in indoor radio environment
     宽带与超宽带室内无线信道特性比较与分析
短句来源
     Lastly, combining the different characteristic between the serious frequency selected fading channel and indoor wirless channel, performances of the two proposed methods are demonstrated by computer simulation with MATLAB. The mean square error and bit error ratio for estimation results are also discussed in this paper.
     最后,结合严重频率选择性衰落信道和室内无线信道各自的特点,用MATLAB对上述两种方法做计算机仿真。 并给出了估计结果的MSE(Mean Square Error)和BER(Bit Error Ratio)仿真曲线和分析结果。
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  indoor radio channel
A novel model of millimeter-wave (MMW) indoor radio channel is presented in this paper.
      
A propagation model for the prediction of indoor radio channel characteristics at millimetre-wave frequencies, based on geometrical optics is described.
      
The influence of objects located inside the room superstructure, on the indoor radio channel characteristics, is analysed.
      
To overcome the inter-symbol interference caused by the dispersive nature of the indoor radio channel, a decision feedback equaliser has been included in the system.
      
To counteract the time dispersive nature of the indoor radio channel, the use of adaptive equalisation is suggested.
      
更多          
  indoor wireless channel
A Measurement-based Characterization of the Time Variation of an Indoor Wireless Channel.
      
The indoor wireless channel is usually characterized by amplitude uctuation, carrier phase jitter and propagation delay spread.
      
  indoor wireless channels
Initial estimation of communication efficiency of indoor wireless channels
      
Co-channel and self-interference analysis for indoor wireless channels
      
A dispersive finite impulse response (FIR) channel model is often considered for indoor wireless channels.
      


Multi address interference's effect on parallel acquistion performance of DS Multi carrier CDMA system under typical indoor radio channel is discussed.Moreover,a comparison of acquistition performance impairment produced by the MAI of DS MC CDMA and DS single carrier CDMA is also made.Results are given in terms of average acquistion time obtained by means of simulations and analytical computation.

讨论了在典型室内无线信道环境中 ,多址干扰对直扩多载波 CDMA并行捕获系统性能的影响 .比较了多址干扰影响下的直扩多载波 CDMA和直扩单载波 CDMA的捕获性能 .通过仿真和分析计算得到的平均捕获时间评价直扩多载波 CDMA系统捕获系统的性能

In this paper, we consider a simple loading algorithm for OFDM systems in WLAN for signal spectrum optimization. The algorithm is based on the margin adaptive (MA) loading criterion proposed by Chow and its performance over 5GHz indoor wireless channels.

本文研究了无线局域网中使信号频谱得到优化的一种简单OFDM 子载波加载算法。此算法基于边缘自适应(Margin Adaptive)加载准则及其在室内无线信道上的性能。

Constrained Hidden Markov Model (CHMM), which is a special form of Hidden Markov Model (HMM), is used to model Orthogonal Frequency Division Multiplexing (OFDM) systems. The effective scaling method for CHMM parameter estimation is presented to avoid underflow in computer programming. We discuss how to choose proper CHMM state numbers by simulation and provide a group of CHMM for OFDM system in HIPERLAN/2 indoor wireless channel, which can be used to facilitate the comparison of different coding schemes and...

Constrained Hidden Markov Model (CHMM), which is a special form of Hidden Markov Model (HMM), is used to model Orthogonal Frequency Division Multiplexing (OFDM) systems. The effective scaling method for CHMM parameter estimation is presented to avoid underflow in computer programming. We discuss how to choose proper CHMM state numbers by simulation and provide a group of CHMM for OFDM system in HIPERLAN/2 indoor wireless channel, which can be used to facilitate the comparison of different coding schemes and analysis of high-level protocol performance.

本文采用隐马尔可夫模型(HMM)的一种特例——受限隐马尔可夫模型(CHMM)对正交频分复用(OFDM)系统进行建模,给出了CHMM参数估计算法的改进,可避免计算机编程实现时出现下溢导致的计算失败。通过仿真讨论了CHMM状态数的选取问题,并给出了HIPERLAN/2室内无线信道环境下OFDM系统的一组CHMM,该模型可用于比较不同编码方案的性能或者分析高层协议性能。

 
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