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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 into small areas, cellular systems in the region to provide wireless coverage. The available spectrum is divided into multi-channel, each plot the distribution of a group of channels. The use of frequency division duplex (FDD). In the district between the frequency of use, N plots constitute a cluster, cluster between frequency reuse. The definition of the propagation characteristics (channel parameters), as well as with the frequency of residential location. Channel parameters include: cell radius, path loss index to decibels for units Lognormal shadow of the standard deviation, the base station transmitter power level, mobile station transmitting power level, the number of sectors in each district, sector of the antenna the pros and cons to the ratio, to the transient simulation of the group a few positions, the same frequency interference threshold.)
- 2009-01-08 19:02:48下载
- 积分：1
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PCF-SMF
本软件使用matlab预言编写，用于分析光子晶体光纤空气孔直径，孔间距，等参数对光子晶体光纤单模特性的影响。(Matlab predicted the use of this software to prepare for the analysis of photonic crystal fiber air hole diameter, hole spacing, and other parameters on the photonic crystal fiber single-mode characteristics.)
- 2009-05-08 09:56:52下载
- 积分：1
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demo_turbo
matlab编写的turbo码示例程序，用于通信系统的信道编解码仿真(matlab prepared turbo code sample procedures for communication system simulation channel codec)
- 2008-04-26 21:23:14下载
- 积分：1
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script16qam_ser
Derive the theoretical 16QAM bit error rate (BER) with Gray coded constellation mapping in AWGN
- 2020-12-01 04:29:27下载
- 积分：1
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GA-Optimization-of-Antenna-Array
本程序主要在MATLAB环境下实现笔状阵列天线的遗传算法的优化。(This procedure mainly in the MATLAB environment to achieve the pen-shaped array antenna genetic algorithm optimization.)
- 2020-07-03 09:20:01下载
- 积分：1
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AgentViewSourceCode
AVAYA交换机TSAPI监控分机和座席状态的例子。实现了座席的自动签入和手工签入技能组功能。(AVAYA switch TSAPI to monitor the state of extension and seats examples. Seats automatic check-in and manually checked the skill set of functions.)
- 2012-08-07 16:31:36下载
- 积分：1
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m
说明： M序列的调制 ，很好用 ，大家可以下来看看。(M sequence modulation, a very good use, we can look down.)
- 2008-06-17 10:24:46下载
- 积分：1
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cyclostationary-spectrum-sensing
认知无线电中，采用循环特征检测的频谱检测算法matlab仿真程序(Using cyclic feature detection spectrum detection algorithm)
- 2013-06-21 11:15:53下载
- 积分：1
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channel_esti_em730a
代码为实现EM算法进行ofdm调制信号进行信道估计的仿真代码(source codes simulate the channel estimation using em algorithm)
- 2009-03-22 11:28:47下载
- 积分：1
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cmpp
cmpp3.0 最新实现 带spring功能(cmpp3.0 latest with spring function)
- 2012-08-13 15:49:41下载
- 积分：1
