Description: After an introduction to the history of mobile communications, this guide considers the basics of mobile radio, the design of cellular and private radio systems, and issues of interworking with the fixed network. It then looks at the role of the mobile radio operator, the design and operation of mobile radio networks, the needs of large user groups, and relevant regulatory and government decisions. A final section focuses on career development through resolution of conflicts, understanding managerial issues, and professional vehicles.
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Size: 954171 |
Author:crabhit |
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Description: wcdma的多径环境下的上下行仿真，EITS标准，written by The Mobile and Portable Radio Research Group The Bradley rtment of Electrical and Computer Engineering Virginia Polytechnic Institute and State University
Blacksburg, Virginia
-WCDMA multipath environment downstream and simulation, EITS standards, written by The Mobile and Portable Radio Research Group The Bradley Department of Electrical and Computer Engineering Virginia Polytechnic Institute and State University Blacksburg, Virginia Platform: |
Size: 481280 |
Author:王薇 |
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Description: simulation and software radio for mobile communications 书中有详细的移动通信方面的matlab程序，对通信仿真有指导作用-simulation and software radio for mobile communications book detailed matlab mobile communications procedures, guidance on the role of communication simulation Platform: |
Size: 19108864 |
Author:老何 |
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Description: 这是关于移动无线信道COS207模型的MATLAB源程序，欢迎下载！-This is on the mobile radio channel model MATLAB source COS207 are welcome to download! Platform: |
Size: 10240 |
Author:徐振华 |
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Description: After an introduction to the history of mobile communications, this guide considers the basics of mobile radio, the design of cellular and private radio systems, and issues of interworking with the fixed network. It then looks at the role of the mobile radio operator, the design and operation of mobile radio networks, the needs of large user groups, and relevant regulatory and government decisions. A final section focuses on career development through resolution of conflicts, understanding managerial issues, and professional vehicles.
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Size: 954368 |
Author:crabhit |
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Description: 关于无线衰落信道的一本书，内容很多，讲的很充分，英文原版-Wireless fading channel on the one book, the contents of a lot of very good speakers, the original English edition Platform: |
Size: 3588096 |
Author:acen |
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Description: After the successful global introduction during the past decade of the second generation (2G) digital
mobile communications systems, it seems that the third generation (3G) Universal Mobile Communication
System (UMTS) has finally taken off, at least in some regions. The plethora of new services that
are expected to be offered by this system requires the development of new paradigms in the way scarce
radio resources should be managed. The Quality of Service (QoS) concept, which introduces in a natural
way the service differentiation and the possibility of adapting the resource consumption to the specific
service requirements, will open the door for the provision of advanced wireless services to the mass
market. Platform: |
Size: 3812352 |
Author:林伟勋 |
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Description: Wiley -
The Mobile Radio Propagation Channel
- Second Edition-Wiley-
The Mobile Radio Propagation Channel
- Second Edition Platform: |
Size: 3598336 |
Author:宁馨儿 |
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Description: the mobile radio propagation channel ——关于信道的英文书籍，很经典。-the mobile radio propagation channel- on the channel in English books, very classic. Platform: |
Size: 3588096 |
Author:李冰 |
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Description: 一篇关于移动无线信道模型仿真的硕士论文，特别是对于地空通信的信道有很好的分析，并对地空信道的模型进行了仿真！-An article on the mobile radio channel model simulation of the master s thesis, especially for ground-to-air communication channel has a very good analysis, and ground-to-air channel simulation model! Platform: |
Size: 3712000 |
Author:小林 |
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Description: <集群移动通信信令>本文详细介绍了有关集群移动通信信令的知识，对广大对集群移动通信信令有兴趣的学者具有参考作用-< Mobile Radio Signaling> This paper describes the Mobile Radio signaling knowledge, the broad masses of clusters of signaling interest in mobile communications with reference to the role of academics Platform: |
Size: 5633024 |
Author:easion |
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Description: 2. 关于无线信道的多普勒谱，请回答以下问题：
(1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因；
(2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理；
(3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。
-On the wireless channel of the Doppler spectrum, please answer the following questions: (1) In some radio channels, the Doppler frequency shift will cause the output signal of the wireless channel aliasing. Please describe the aliasing produced a variety of reasons (2) wireless channel in the Doppler spectrum has a classical spectrum (classic spectrum), please explain the mechanism of produce such spectral shape (3), please use the Simulink tool to write code ( S-Function mode), resulting in a single-path Rayleigh channel, the Doppler spectrum for the classical spectrum, including mobile rate of 120km/h. And requested the answer: that they used computer-generated classical spectrum is the right possible way. Platform: |
Size: 31744 |
Author:Helen |
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Description: 一个信号通过移动无线信道所经历的衰落取决于传输信号的性质和多径信道的统计特性。 信号参数为带宽Bs、符号周期Ts，两者互为倒数-A signal through the mobile radio channel fading experienced by signals depends on the nature and multi-path channel statistical characteristics. Bandwidth of the signal parameters for the Bs, symbol period Ts, the two mutually reciprocal Platform: |
Size: 229376 |
Author:刘凡 |
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Description: This paper goes for a simple but elaborate measurement of the sensitivity of human health due to the radiation of mobile phone while using it. The possible risks by radio frequency electromagnetic field exposure of the human body are a major concern for the society. If exposure is sufficiently intense, it can cause biological effects. The increasing use of mobile phone in our environment it is one of the reasons why many scientists believe some disease rates are on the rise. It is scientifically proved that the radiations produced by the mobile phones affect especially the brain of human being and it will give them the difficulty to cope up with their systematized daily course of action and soon cause health injury. Platform: |
Size: 117760 |
Author:yasora |
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Description: The feature of VANET mostly resembles the operation technology of MANET in the sense that
the process of self-organization, self-management, low bandwidth and shared radio
transmission criteria remain same. But the key hindrance in operation of VANET comes from the
high speed and uncertain mobility [in contrast to MANET] of the mobile nodes (vehicles) along
the paths. This suggested that the design of efficient routing protocol demands upgradation of
MANET architecture to accommodate the fast mobility of the VANET nodes in an efficient
manner. This warranted various research challenges to design appropriate routing protocol. It is
therefore important at this stage to reiterate the key characteristics of VANET that may be
accounted for the design of various routing protocols.
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Size: 130048 |
Author:kadd |
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Description: 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 plans and associated schemes, design parameters, signaling and channel access, cellular CDMA, microcell systems, and miscellaneous related systems. Contains chapter-by-chapter references and problems. Common terms and phrases:bit-error rate CDMA cell site co-channel interference coherence bandwidth diversity scheme FDMA microcell mobile unit path loss Rayleigh fading Platform: |
Size: 4662272 |
Author:shahram |
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Description: 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。
工作日的上午11：00，此时业务通话达到高峰。
星期六的中午，郊区通信达到高峰。
由于只有10个发射器无法覆盖整个地区，所以你需要编写程序对呼叫需求数据进行分析，以便发射器的配置能够为最大数量的潜在客户提供服务。-The mobile communications company where you plan to use a microwave transmitter to send a CALL signal, the signal in order to establish an optimal cellular communication networks need to consider many factors: such as topography, communication mode, radio noise sources. Since planning services three areas are mainly plain, basic no interference source, so consider focused mode of communication. Investors to provide you with the resources to build 10 transmitters for communication, each transmitter can handle 200 call signal can be reliably cover a square mile range. You have about three regions 5* 5 miles per market statistics are available, these data indicate the three major periods of communication needs:
Weekdays 8:30 am, this time into Flat Spot City traffic peak.
11:00 am weekdays, when business calls peaked.
Saturday at noon, suburban traffic peak.
Since only 10 transmitters can not cover the whole area, so you need to write a program to analyze t Platform: |
Size: 4096 |
Author:水上飘 |
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