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- atmospheric multipath fading 大气多径衰耗
- The Volterra adaptive prediction of the multipath fading channel is studied in this paper. 本文研究了对多径衰落信道的Volterra自适应预测。
- In this paper, a novel synchronization algorithm is proposed for OFDM based system in multipath fading channels. 该文针对多径衰落信道的具体特点,提出了一种适用于无线衰落信道环境下的OFDM符号同步方法。
- The fractal feature of the multipath fading signals is analyzed and duscussed using the multi fractal model. 利用多重分形模型对多径衰落信号的分形特征进行了分析和讨论。
- The channel models employed are multipath fading channel, f requency selective chan nel based on COST 207 and AWGN channel. 采用的信道模型包括多径衰落信道、基于COST 2 0 7的频率选择性信道以及AWGN信道 .
- With low complexity,the proposed algorithm overcomes the effect of CIR leakage,and therefore is adapt to non-sample-spaced multipath fading channels. 该算法克服了CIR泄漏的影响,因此能够很好地适应实际系统中的非整数采样多径衰落信道。
- After discussing the various spatial vector channel simulation models, it forms the AOA and TOA of multipath fading signals by GBSBEM model. 在分析了各种空间矢量信道的仿真模型后,采用GBSBEM模型构造出多径衰落信号的到达时间和到达角。
- Real channel are characterized by error burst due to the combined effects of intersymbol interference and multipath fading. 藉由叠代次数增加，额外讯息的准确性也跟著增加，而解码效能也随之提升。
- The BER performance is studied under AWGN and SHF multipath fading channels.The simulation result is also given in this paper. 在此基础上对TTCM与OFDM相结合的体制进行仿真研究,并给出AWGN信道和海上SHF多径信道上的性能结果。
- Blind equalization is an effective way to suppress the inter-symbol interference (ISI), which is caused by multipath fading communication channels. 摘要在数字通信中，盲均衡是克服多径衰落信道导致的码间干扰的一种有效方法。
- This paper presents a blind adaptive multiuser detector in multipath fading asynchronous code division multiple access (CDMA) system. 本篇论文提出在多重路径衰减非同步分码多重接取通道之盲目多使用者侦测器。
- The proposed FSE based on the least mean square (LMS) algorithm can mitigate the detrimental effects of the inter-symbol interference (ISI) caused by the multipath fading channel. 利用基于LMS算法的分数间隔均衡抑制由多径衰落信道引起的码间干扰并且利用最大似然算法对解调后的码元进行检测。
- FFH-FMDCSK is able to improve the performance of FMDCSK on anti-jam, multiple access, and resistance to multipath fading as well as low interference to other systems. 它不但可以解决FMDCSK系统的抗干扰和多址接入问题，而且还可以提高其抗多径衰落的能力，同时降低对其他系统的干扰。
- A subspace-based time delay sequential estimation algorithm named MUSIC-SEA is presented for asynchronous bandlimited DS-CDMA systems in multipath fading channels. 该文提出了适合于异步DS-CDMA系统在多径衰落信道下的子空间时延序贯估计算法,称为MUSIC-SEA算法。
- The algorithm can improve the estimation accuracy of multipath fading channel parameters and avoid the error propagation problem of conventional approaches. 该算法改进了衰落信道参数估计的准确度,并消除了判决方法的错误传递性。
- But the mobile spectrum resource is limited, MAI, CCI and multipath fading are the bottlenecks of improving the mobile communications system performance. 但是移动通信频谱资源日益紧张,多址干扰、共信道干扰以及多径衰落的影响,都成为提高移动通信系统性能的瓶颈。
- QR-RLS-CMOE algorithm which was applied to synchronous DS/CDMA system in AWGN channel, is presented in this paper. At the same time, A-QR-RLS-CMOE blind multiuser detector applied to the asynchronous DS/CDMA system in multipath fading channel is proposed. 本文介绍了用于AWGN信道下的同步DS/CDMA系统中的QR-RLS-CMOE算法,同时提出用于多径衰落信道下异步DS/CDMA系统中的A-QR-RLS-CMOE盲多用户检测器。
- A novel multipath interference cancellation (MPIC) algorithm was developed to suppress the inter-symbol interference caused by multipath fading and to increase the throughput of wideband code division multiple access (WCDMA) systems. 为了抑制多径衰落造成的符号间干扰 ,提高宽带码分多址 (WCDMA)系统的吞吐量 ,提出了一种多径干扰消除(MPIC)算法。
- The influence of pulse repetition frequency(PRF)on BER performance of ultrawide bandwidth(UWB)systems with THSS and PPM in dense multipath fading channel is firstly analytically investigated in this paper. 首次研究分析脉冲重复频率(PRF)对密集多径衰减信道下采用 THSS 和 PPM 的 UWB 系统 BER 性能的影响。
- Multi-Channel Decision Feedback Equalizer (MC-DFE) is the main method to overcome multipath fading and eliminate Inter-Symbol Interference (ISI) for underwater acoustic coherent communications. 多通道判决反馈均衡器(MC-DFE)是水声相干通信克服信道多径效应、消除码间干扰(ISI)的主要手段。
