Description: 书\"Simulation and software radio for mobile communications\"的源代码matlab版，从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析，可以全面的了解通信系统。-"Simulation and software radio for mobil e communications "source code version of Matlab, from basic BPSK. QPSK, QAM OFDM to the actual system, cdma Chains, mac-simulation analysis, a comprehensive understanding of communications systems. Platform: |
Size: 90649 |
Author:尹浩 |
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Description: 书"Simulation and software radio for mobile communications"的源代码matlab版，从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析，可以全面的了解通信系统。-"Simulation and software radio for mobil e communications "source code version of Matlab, from basic BPSK. QPSK, QAM OFDM to the actual system, cdma Chains, mac-simulation analysis, a comprehensive understanding of communications systems. Platform: |
Size: 90112 |
Author:尹浩 |
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Description: 本论文研究的主要内容是设计基于CC2420的Zigbee无线传感器硬件节点,通过对Zigbee协议的理解与分析设计并完成一个通信节点。本文中选择的射频芯片CC2420，是挪威Chipcon公司推出的一款符合IEEE 802.15.4标准的收发芯片，只需很少的外围元件就可以与单片机构成一个无线通信系统 微处理器是ATMEL公司生产的RISC结构的8位单片机ATmega128。-This paper studies the design of the main contents of the CC2420-based hardware Zigbee wireless sensor nodes, through the Zigbee protocol understanding and analysis of the design and completion of a communication node. In this paper, select the radio frequency chip CC2420, is a Norwegian company Chipcon launched a line with the standard IEEE 802.15.4 transceiver chips, only very few external components can be and constitute a single-chip wireless communication system is a microprocessor ATMEL Corporation production RISC architecture 8-bit MCU ATmega128. Platform: |
Size: 1477632 |
Author:刘炜 |
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Description: 包含软件无线电、dds、滤波器设计、数字调制解调等常用无线通信设计的matlab\verilog源码-Contains software radio, dds, filter design, digital modulation and demodulation of wireless communication, such as commonly used design matlabverilog source Platform: |
Size: 197632 |
Author:李大鹏 |
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Description: 完整的OFDM链路程序并作了较为具体的解析从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析.-Orthogonal frequency division multiplexing (OFDM) is becoming the chosen
modulation technique for wireless communications. OFDM can provide large data
rates with sufficient robustness to radio channel impairments. Many research centers
in the world have specialized teams working in the optimization of OFDM for
countless applications. Here, at the Georgia Institute of Technology, one of such
teams is in Dr. M. A. Ingram’s Smart Antenna Research Laboratory (SARL), a part
of the Georgia Center for Advanced Telecommunications Technology (GCATT).
The purpose of this report is to provide Matlab code to simulate the basic processing
involved in the generation and reception of an OFDM signal in a physical
channel and to provide a description of each of the steps involved. For this purpose,
we shall use, as an example, one of the proposed OFDM signals of the Digital
Video Broadcasting (DVB) standard for the European terrestrial digital television
(DTV) service. Platform: |
Size: 861184 |
Author:田静 |
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Description: 完整的OFDM链路程序并作了较为具体的解析从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析.-Orthogonal frequency division multiplexing (OFDM) is becoming the chosen
modulation technique for wireless communications. OFDM can provide large data
rates with sufficient robustness to radio channel impairments. Many research centers
in the world have specialized teams working in the optimization of OFDM for
countless applications. Here, at the Georgia Institute of Technology, one of such
teams is in Dr. M. A. Ingram’s Smart Antenna Research Laboratory (SARL), a part
of the Georgia Center for Advanced Telecommunications Technology (GCATT).
The purpose of this report is to provide Matlab code to simulate the basic processing
involved in the generation and reception of an OFDM signal in a physical
channel and to provide a description of each of the steps involved. For this purpose,
we shall use, as an example, one of the proposed OFDM signals of the Digital
Video Broadcasting (DVB) standard for the European terrestrial digital television
(DTV) service. Platform: |
Size: 160768 |
Author:田静 |
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Description: 由于无线信道的复杂性，一个通过无线信道传播的信道往往会沿着一些不同的路径到达接收端，这一现象称为信号的多径传输。此程序就是对无线信道进行仿真。-Due to the complexity of wireless channel, a radio channel transmission through the channel tends to follow a number of different paths to reach the receiving end, the phenomenon known as multi-path transmission signals. This procedure is carried out on the wireless channel simulation. Platform: |
Size: 1024 |
Author:柳敏 |
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Description: Cognitive Radios is emerging in research labora-
tories as a promising wireless paradigm, which will integrate
benefi ts of software defi ned radio with a complete aware com-
munication behavior. To reach this goal many issues remain still
open, such as powerful algorithms for sensing the external envi-
ronment Platform: |
Size: 3695616 |
Author:phong |
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Description: OFDM信号在光纤无线通信系统中传输性能的研究，包括不同频率的4QAM、16QAM，是毕设资料，非常珍贵。-OFDM signal in optical wireless communication system transmission performance in the study, including different frequencies 4QAM, 16QAM, complete set of information is very valuable. Platform: |
Size: 105472 |
Author:Ruby |
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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: 无线环境中，手机、计算机等接入信道的mac层协议-At wireless radio environment,handphone、computor use mac potocol to access chanel. Platform: |
Size: 32768 |
Author:liting |
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Description: 本人的主要任务是利用MATLAB作为仿真工具来实现OFDM在无线信道上的系统仿真，其中主要的仿真模块包括信源产生，波形预处理，调制，插入导频信号和保护间隔，无线信道，接收滤波器，信道估计和信号补偿，解调，计算误比特率模块。-My main task is to use MATLAB as a simulation tool to achieve the wireless channel on the OFDM system simulation, in which the main simulation modules, including source generation, waveform pre-processing, modulation, inserting pilot signals and guard interval, radio channel, receive filtering device, channel estimation and signal compensation, demodulation, bit error rate calculation module. Platform: |
Size: 32768 |
Author:雷月 |
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Description: SIM80211 IEEE802 Simulator: a one hop network，simulator to reproduce a cluster of ieee802.11 terminals under saturation conditions. The script simulates a implified model for a radio network based on the IEEE 802.11 standard operating in DCF modality.-SIM80211 IEEE802 Simulator: a one hop network, simulator to reproduce a cluster of ieee802.11 terminals under saturation conditions. The script simulates a implified model for a radio network based on the IEEE 802.11 standard operating in DCF modality. Platform: |
Size: 6144 |
Author:jerry |
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Description: 关于认知无线电方面的创新性文献，解释清晰，对于认知无线电资源分配/功率分配方面的知识有很好的启发性-On cognitive radio innovations in literature, a clear explanation for the cognitive radio resource allocation/power distribution has a good knowledge of inspiring Platform: |
Size: 430080 |
Author:张雪雪 |
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Description: In wireless communications, fading is deviation of the attenuation that a carrier-modulated telecommunication signal experiences over certain propagation media. The fading may vary with time, geographical position and/or radio frequency, and is often modelled as a random process. A fading channel is a communication channel that experiences fading. In wireless systems, fading may either be due to multipath propagation, referred to as multipath induced fading, or due to shadowing from obstacles affecting the wave propagation, sometimes referred to as shadow fading.
Platform: |
Size: 14336 |
Author:kanniyappan/AIHT |
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Description: 无线信道Matlab仿真是无线通信系统最基础的部分，信道建模和仿真对无线通信系统的研发具有重要意义，因此，对无线信道进行研究具有理论意义和实际应用价值。-Matlab wireless channel emulation is the most basic part of the wireless communication system, channel modeling and simulation of great significance for the development of wireless communication systems and, therefore, on the radio channel research has theoretical and practical value. Platform: |
Size: 2940928 |
Author:suca |
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