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- A kind of improved uplink receiver architecture based on conventional RAKE receiver of WCDMA R99 is put forward, it can eliminate ISI and recover the orthogonality of multi-code channel. 针对HSUPA技术中上行链路的低扩频增益情况，本文在WCDMA R99技术采用的传统RAKE接收机算法基础上提出了一种改进的上行接收机来恢复多码信道的正交性，消除码间干扰达到较高的上行接收性能。 本文的主要研究工作和研究结果集中在以下几方面：
- conventional RAKE receiver 传统RAKE接收
- In Direct-Sequence Code Division Multiple Access (DS_CDMA) communications systems, RAKE receiver is a conventional structure.The disadvantage of this structure is inefficacious for near-far resistant. 摘要在直接序列扩频码分多址(DS-CDMA)通信系统中，RAKE接收机是一种传统的接收机结构，其主要缺点是抗远近效应的能力较差。
- The structure of band-pass RAKE receiver and the model of demodulation are depicted. 我们给出带通犁耙式接收机模型及解调结构。
- It is also highly robust against multipath effects through rake receiver when used in the CM1 and CM3 channel environments proposed by the IEEE 802.15SG3a. 在IEEE 802.;15SG3a建议的CMI;CM3信道模型下;采用Rake接收的 Chirp-BOK-UWB系统具有良好的抗多径衰落能力。
- Due to existence of error weight estimation, performance of RAKE receiver in correlated channel is analyzed when tap weight error is dependant of Gaussian noise. 针对RAKE接收机在接收信号时抽头系数估计有误差的情况,研究了在高斯噪声与抽头系数误差不独立时,在相关Nakagami信道下的接收的性能。
- We add SIC algorithm to RAKE receiver and improve RAKE receiver.We make simulation of improved RAKE receiver and educe the results to prove the improvement. 通过将SIC算法介入到RAKE接收机以改进传统的RAKE接收形式并对这种形式进行计算机仿真以验证要达到的预期效果。;
- The analysis and the simulation show that this method has BER advantage over the traditional UWB RAKE receiver with Maximal Ratio Combining at high SNR. 仿真结果表明该方法在低信噪比下性能与RAKE接近，在高信噪比下明显优于RAKE的性能。
- After that the techniques of channel coding, synchronization and RAKE receiver were investigated,the method using a Willard sequence for synchronization of system and acoustic channel multipath time-delay estimate was found. 论文还对信道编码技术、扩频系统的同步技术和RAKE接收技术进行了研究，提出了一种用威拉德序列做同步头来完成系统同步定时及信道多径时延估计的方案。
- Since WCDMA up-link adopt the RAKE receiver using coherent detection system, the exact and Real-time channel fading estimation of the transmitted signal is needed to realize the phase correction and coherent reception. 由于WCDMA系统上行链路采用的是基于相干解调的RAKE接收方案，故要求对信号在多径衰落信道中所经历的衰落作出准确实时的估计，以便在RAKE接收机中实现相位纠偏和相干接收。
- It is also highly robust against muhipath fading through rake receiver when used in the CM1 and CM3 channel environments proposed by the IEEE 802.15SG3a, whereas the distortion due to ISI is larger. 北京邮电大学通信网络综合技术研究所博士研究生。2002年至今就读于北京邮电大学电磁场与微波技术专业。主要研究方向为宽带接入网，超宽带无线通信。
- A RAKE Receiver in WCDMA Systems WCDMA系统中RAKE接收技术的研究
- "How are you?" is a conventional greeting. “你好”是一个习惯问候语。
- The nuns are living in the convent. 修女们住在修道院里。
- He often speaks a few conventional remarks. 他总是喜欢说老生常谈的那几句话。
- I'll try and rake out something for you to wear. 我尽量找些东西给你穿。
- James voiced the conventional wisdom about it. 詹姆士说了对此事的一般看法。
- The rake of the theater floor is a bit too steep. 剧场的地板斜度太大了一点。
- "Good morning" is a conventional greeting. "早安"是习用的招呼语。
- Please don't rake up that old quarrel. 请别再提起那次的争吵。
