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- signal channel estimation 信道估计
- By unified signal model of antenna array Multicarrier DS-CDMA system, the subspace-based blind channel estimation is achieved. 通过在阵列天线多载波DS-CDMA系统下构造统一的信号模型,实现了基于子空间的信道盲估计。
- However, OFDM is sensitive to synchronization error and channel estimation error and it has the weakness of the high Peak-to-Average Power Ratio (PAPR) of the transmitted signal. 但是,OFDM不仅对于同步误差和信道估计误差非常敏感,而且还伴随发射信号高峰平比(PAPR)的缺点。
- High efficiency SIRF Star3 Satellites signal channel. 此模块采用的是SIRF方案，20个通道。
- Such method could better track channel change and eliminate the noise remarkably in the received pilot signal,and the precision of channel estimation had been improved. 这种方法可以更好地跟踪信道变化,显著地消除接收到的导频信号中的加性噪声,提高信道估计精度。
- All of these make the reality of semiblind channel estimation to be possible. 这些措施使得半盲信道估计方法的实用化成为可能。
- Firstly, a computationally simple blind channel estimation method is proposed. 首先，文中提出了一种计算复杂度较低的信道盲估计方法。
- Dimension-reduced blind space-time channel estimation and signal detection algorithm for MultiCarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel are presented. 该文提出了适用于频率选择性瑞利衰落信道中的MC-CDMA系统降维盲空时信道估计及信号检测算法。
- The signal channel number of LRA is designed by calculating the gain and bandwidth of the different channel number. 主要是信道的设置、泵浦波长和功率的优化设计。通过数值模拟两种信道设置的增益，选择适合带宽和增益要求的信道设置。
- Proposes a novel channel estimation algorithm for multi-carrier code division multiplex access (MC-CDMA) systems on the uplink. 摘要提出了一种新颖的适用于多载波码分多址接入(MC-CDMA)系统上行链路的通道估计算法。
- This paper presented a new approach to blind channel estimation and equalization based on Second Order Statistics(SOS). 本文提出了一种新的基于二阶统计量的盲信道辨识与均衡方法。
- A digital lockin amplifier including signal channel,reference channel and correlator is designed,and the improvement of signal to noise is analyzed. 以此为依据,设计了数字锁相放大器,其中包括信号通道、参考通道以及相关器的设计,并分析了采用相关检测的信噪比改善,作了相应的实验。
- This paper proposes a subspace-based semiblind channel estimation method in MC-CDMA systems. 该文提出了MC-CDMA系统中一种基于子空间的半盲信道估计方法。
- A novel OFDM channel estimation algorithm is proposed by exploiting the sparsity of channel impulse response. 摘要针对OFDM系统，利用信道冲激响应的稀疏特性，提出了一种新的OFDM稀疏信道估计算法。
- The statistical Bayesian channel estimation was investigated in the CDMA TDD mode. 摘要分析了CDMA时分模式下的统计贝叶斯信道估计。
- Due to no channel estimation required for rayleigh fading channel, quotient coded QAM has lower receiver complexity. 摘要商分编码QAM由于无需信道估计和均衡，因此降低了在瑞利衰落信道解调的复杂性。
- The present invention relates to channel estimation method, belonging to communication technique field. 本发明涉及信道估计方法，属于通信技术领域。
- A novel channel estimation method for WCDMA [J].Acta Electronica Sinica, 2000,28(7): 16-18. WCDMA中一种新的信道估计方法[J].;电子学报;2000;28(7):16-18
- In addition, the design must also take channel estimation and equalization issues into account. 除此之外还有通道效应的估测和资料回复的等化问题。
- Then nodes decide to turn off power or not through sensing RTS/CTS/DATA/ACK channel and dual signal channels to save power. 邻居节点通过侦听数据信道和带外信号信道来实现睡眠机制,达到节省能耗的目的。
