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MIMO
- MIMO(Multiple．Input Multiple。Output)技术指的是在发射机和接收机分别 配置多根天线并同时进行数据收发处理的无线传输技术。由于它具有较高的频谱 效率和较强的抗衰落能力，因此它被普遍认为是下一代无线通信系统的关键技术 之一。本文对MIM0技术的研究分为三个部分，第一部分针对点对点的MIMO 系统，后两个部分针对点对多点的MIMO系统。-The radio transmission technology that uscs multiple trans
MIMO_PART1
- Matlab code for Receive Diversity VS Transmitter Diversity- Computes the BER and compares teh case of no diversity, Alamouti and MRC
System-Based-on-Android
- 基于Android系统,设计并实现了一个多媒体产品的原型。首先介绍了现有终端系统平台各自的优劣势,并分析了目前市场上多媒体产品存在的问题以及发展趋势,在此基础上提出了一种全新概念的多媒体产品设计方案,其特点表现在：1)选用智能操作系统平台,具有更好的用户体验和可扩展性,而传统多媒体产品功能单一,扩展性差- Currently in the communications field,intelligent terminal products receive extensive attention.
Alamouti
- 主函数Alamouti(Nr,max_snr,max_err_symbol,symbol_per_frame) 调用函数QpskMapping(psudo_bit_sequence)－－二进制数据到QPSK信号的变换 调用函数RayleighCH(Nr,Nt)－－瑞利衰落信道模拟 仿真示例： Alamouti(1,12,20,24) 说明： 1.2根发射天线、1根接收天线 2.最高信噪比为12dB，即仿真范围为0dB到12dB 3.在每个信噪比
AlamoutiDiversityCoding_ver2
- Alamouti Code to achieve diversity without channel knowledg at the transmitter It is assumed that system contains 2 transmit antennas and one receive antenna. At the transmitter the data of a two consecutive slots will be considered. At the odd time
alomouti_MIMO
- Alamouti Code to achieve diversity without channel knowledg at the transmitter It is assumed that system contains 2 transmit antennas and one receive antenna.
MatlabOctave-script-for-BER-of-BPSK-in-AWGN-with-
- Some among you will be aware that in a wireless link having multiple antenna’s at the receiver (aka receive diversity) improves the bit error rate (BER) performance. In this post, let us try to understand the BER improvement with receive diversity. A