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6下载：
用遗传算法解决通信中的TDOA问题
文件名 program
完成功能 求出在进行account_test次的试验中每一次的最优染色体，并且求出均值MV，和均方误差MSE
文件名 definition_constant( )
完成功能 对各个常量试验参数进行设定
文件名 main_program
完成功能 完成一次试验的计算
文件名 all_Noise
完成功能 计算TDOA值（由基站所测量的TDOA（受到噪声的干扰）)
文件名 gen_ini_pop_
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莱斯信道的仿真与建模，包含突发干扰的仿真，应用于手机信号与基站的通信。-Rice channel simulation and modeling, including simulation of burst interference, used in mobile phones and base station communication signal.
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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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呼叫阻塞仿真
1 该系统与外界完全独立，无外界基站干扰，假设基站可提供的信道数为10。
2 呼叫的到达时间间隔和每次呼叫的服务时间服从负指数分布，参数分别为1/lamda_arrival和lamda_serve
-Call blocking and outside of the system simulation a fully independent, without outside interference the base station, assuming the base
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Abstract—2×2 unitary precoding based on receiver feedback
is applied alongside spatial multiplexing at the base station in
HSDPA (D-TxAA) when the mobile terminal supports MIMO
transmissios [1]. This precoding will influence achievable sumrate
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femto是目前解决中心基站服务量大、性能低的一个热点方式，该方式可以提供弱信号地方好的通信质量，本代码就同频防干扰做出设计，希望对读者有用-Centre for Settlement of femto base station is the service volume, low performance is a hot way, the way to where weak signals can provide good communication quality, the code to
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SIC for OFDMA. The file has a figure for showing the effect of Successive interference canceller in an OFDMA system for an uplink transmission with 4 users transmitting in blocks of 4 subcarriers towards the base station.
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宽带OFDM系统多基站合作的干扰协调技术的研究，是学习软频率复用的一种补充文献。-Broadband OFDM multi base station system, coordination of technical cooperation of the interference, the soft frequency reuse of learning as a complement to the literature.
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模拟行人在六角形基站中行走时，通信信号的强弱，各个基站对他的干扰-Analog pedestrians walking in the hexagonal base station communication signal strength, interference of each base station
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The model is built upon the assumption that the probabil-
ity distribution of available destinations among the bu ered frames at
the Base Station (BS) is approximately the same as the probability
distribution of the trac arriving to the BS, th
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If SDMA is used on the downlink of a multi-user MIMO system,
either long-term or short-term channel state information
has to be available at the base station (BS) to faciliate the joint
precoding of the signals intended for the different users.
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该文在大量测试实验和理论分析的基础上，研究电磁波在楼内公共烟道的传输问题，分析公共烟道环境的特殊性以及影响电磁波传输损耗的因素。提出一种适用于楼宇集中净化物联网系统的基于SX1278的无线传输方案。该方案采用直接序列扩频调制来提高系统的抗干扰性能，采用截断二进制指数退避算法作为重传机制来解决节点信号冲突碰撞问题。通过在基站端采用时间片轮转调度，来保证计数的同步性和实时性。集成测试和实地测试结果表明，该方案很好地解决了烟道内无线信号的稳定传输问题，且丢包率和误码率较低，系统可靠性好。-On the
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In millimetre wave (mm-wave) communications, hybrid precoding is
preferred which uses much less number of RF chains compared with
the number of antenna elements. The conventional method selects the
beamforming vectors at base station (BS) and t
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IOS基站信号测试，包括信号、干扰、基站信息、小区信息等(IOS base station signal test, including signal, interference, base station information, cell information, etc.)
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