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This program shows the distributions of the co-channel interference in forward and reverse link in the cellular mobile system with cluster size N, when the mobile subscriber (MS) is at random positions of a cell.
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把地理区域分成一个个小区,蜂窝系统在该区域内提供无线覆盖。把可用的频谱分成很多信道,每个小区分配一组信道。使用频分双工(FDD)。在小区间进行频率利用,N个小区构成一个簇,簇间进行频率复用。定义了传播特性(信道参数)以及同频小区的位置。信道的参数包括:小区半径,路径损耗指数,以分贝为单位的对数正态阴影的标准差,基站发射功率级,移动台发射功率级,每个小区的扇区数,扇区化天线的正反向比,要仿真的瞬时位置的组数,同频干扰阈值。-To a geographical area is divided int
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,用VERILOG语言实现16QAM的数字调制的程序,已经在ISE10.1版本中调试通过
-The introduction of cellular technology greatly expanded the efficiency of frequency use of mobile phones. Rather than exclusively allocating a band of frequency to one telephone call in a large geograp
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本系统具有实现细胞识别等相关功能,主要有以下功能:通过阈值设定进行图像的直方图显示,手动选取或手动去除干扰点,图像平滑,还有一些简单的图处理的功能,如腐蚀、膨胀、边缘的提取或区域提取的显示,最后还可以统计出图像中细胞的个数,以及识别出最大最小的细胞。直接运行就可以,功能一目了然。-The system has achieved recognition and other related cellular functions, mainly in the following features: t
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Analysis of outage probability in mobile cellular system due to co channel interference.
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Revised and enlarged version that discusses how to design a mobile communications system. Comprehensively examines the mobile radio environment. Covers prediction of propagation loss, calculation and methods of reducing fades, interference, frequency
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The signal received by a user over the forward link in such a high data rate system contains interference from the neighboring base stations. we note that the strength of this interference is a function of the network load in the neighboring cells. w
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The signal received by a user over the forward link in such a high data rate system contains interference from the neighboring base stations. we note that the strength of this interference is a function of the network load in the neighboring cells. w
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蜂窝小区同频干扰的Matlab仿真,多小区环境下的撒点技术-cellular network , co-channel interference
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蜂窝移动通信系统中的同频干扰仿真。旨在找到簇大小为N时,无线移动蜂窝系统中同频干扰的分布。-Co-channel interference in cellular mobile communication system simulation. To find the distribution of cluster size N, wireless mobile cellular systems in the same frequency interference.
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你所在的移动通讯公司计划用微波发射器传送通话信号,为了以最优信号建立一个蜂窝通信网络需要考虑诸多因素:如地形,通信模式,无线电噪音源等。由于计划服务的3个地区主要为平原,基本没有干扰源,所以考虑的重点是通信模式。投资方为你提供的资源可以建造10个发射器用于通信,每个发射器可以同时处理200个呼叫信号并能可靠地覆盖一平方英里的范围。你还有关于3个地区每5*5英里的市场统计数据可以利用,这些数据预示了3个重要时段的通信需求:
工作日的上午8:30,此时进入Flat Spot市的人流达到高峰。
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Here we prove that as the tier number and path loss factor increases ,The SIR (Signal to Interference Ratio) also increases!
Consider a cellular system with hexagonal cells & cluster size N.
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有关小区之间的蜂窝通信,消除小区间的干扰,通过仿真可以得出结论!-About the cellular communication between community, eliminate interference between zones, can come to the conclusion through the simulation!
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CDMA技术早已在军用抗干扰通信研究中得到广泛应用,1989年11月, Qualcomm在美国的现场试验证明CDMA用于蜂窝移动通信的容量大,并经理论推导其为AMPS容量 的20倍。这一振奋人心的结果很快使CDMA成为全球的热门课题。-CDMA technology has long been in the study of military interference communication is widely used, in November 1989, Qualco
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In this paper, a novel interference coordination scheme based on Dynamic Resource Allocation (DRA) for mitigating inter-cell interference in Long Term Evolution (LTE) cellular systems is presented. In both OFDMA and SC-FDMA systems, inter-cell interf
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Wireless communications homework problem, which compares a square grid cellular model with a fitted Gaussian interference model.
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自写曲率计算函数 ,matlab编写的元胞自动机,esprit算法对有干扰的信号频率进行估计。- Since writing the curvature calculation function, matlab prepared cellular automata, esprit algorithm signal frequency interference can be assesse.
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esprit算法对有干扰的信号频率进行估计,正确率可以达到98%,matlab编写的元胞自动机。- esprit algorithm signal frequency interference can be assessed Accuracy can reach 98 , matlab prepared cellular automata.
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matlab prepared cellular automata, esprit algorithm signal frequency interference can be assessed The signal spectral analysis and filtering.
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A Self-Organized Resource Allocation using Inter-Cell Interference Coordination (ICIC) in Relay-Assisted Cellular Networks
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