龙尚U9300C 4G通信模块 ,相关文档 ,包括AT指令 ,硬件接口说明, 驱动说明等··········
2019-12-21 22:07:19 12.89MB U9300C 4G LTE AT
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全面详解LTE:MATLAB建模、仿真与实现(Understanding LTE with MATLAB 中文版)分3个部分深入讲解了LTE标准的物理层(PHY):关键核心技术的理论;简明扼要地讨论了LTE标准规范;用于仿真LTE标准所需的MATLAB算法。 MATLAB 作为《全面详解LTE:MATLAB建模、仿真与实现》一个鲜明的特点,通过一系列的程序,展现了每一个LTE的核心技术。通过一步步综合这些核心技术, 最终建立LTE物理层的系统模型并评价系统性能。通过这一循序渐进的过程,读者将会在仿真中深入理解LTE的技术构思和标准规范。 非常清晰,有完整目录,方便阅读,非常好的学习资料。
2019-12-21 22:06:40 91.14MB LTE MATLAB 4G
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wily 2014 年新书 Understanding LTE with MATLAB Contents Preface xiii List of Abbreviations xvii 1 Introduction 1 1.1 Quick Overview of Wireless Standards 1 1.2 Historical Profile of Data Rates 4 1.3 IMT-Advanced Requirements 4 1.4 3GPP and LTE Standardization 5 1.5 LTE Requirements 5 1.6 Theoretical Strategies 6 1.7 LTE-Enabling Technologies 7 1.7.1 OFDM 7 1.7.2 SC-FDM 8 1.7.3 MIMO 8 1.7.4 Turbo Channel Coding 8 1.7.5 Link Adaptation 9 1.8 LTE Physical Layer (PHY) Modeling 9 1.9 LTE (Releases 8 and 9) 11 1.10 LTE-Advanced (Release 10) 11 1.11 MATLAB?and Wireless System Design 11 1.12 Organization of This Book 11 References 12 2 Overview of the LTE Physical Layer 13 2.1 Air Interface 13 2.2 Frequency Bands 14 2.3 Unicast and Multicast Services 14 2.4 Allocation of Bandwidth 16 2.5 Time Framing 17 2.6 Time朏requency Representation 17 2.7 OFDM Multicarrier Transmission 20 2.7.1 Cyclic Prefix 21 2.7.2 Subcarrier Spacing 22 vi Contents 2.7.3 Resource Block Size 22 2.7.4 Frequency-Domain Scheduling 22 2.7.5 Typical Receiver Operations 23 2.8 Single-Carrier Frequency Division Multiplexing 23 2.9 Resource Grid Content 24 2.10 Physical Channels 25 2.10.1 Downlink Physical Channels 26 2.10.2 Function of Downlink Channels 27 2.10.3 Uplink Physical Channels 30 2.10.4 Function of Uplink Channels 30 2.11 Physical Signals 31 2.11.1 Reference Signals 31 2.11.2 Synchronization Signals 33 2.12 Downlink Frame Structures 34 2.13 Uplink Frame Structures 35 2.14 MIMO 35 2.14.1 Receive Diversity 36 2.14.2 Transmit Diversity 37 2.14.3 Spatial Multiplexing 38 2.14.4 Beam Forming 39 2.14.5 Cyclic Delay Diversity 40 2.15 MIMO Modes 40 2.16 PHY Processing 41 2.17 Downlink Processing 41 2.18 Uplink Processing 43 2.18.1 SC-FDM 44 2.18.2 MU-MIMO 44 2.19 Chapter Summary 45 References 46 3 MATLAB?for Communications System Design 47 3.1 System Development Workflow 47 3.2 Challenges and Capabilities 48 3.3 Focus 49 3.4 Approach 49 3.5 PHY Models in MATLAB 49 3.6 MATLAB 49 3.7 MATLAB Toolboxes 50 3.8 Sim
2019-12-21 22:05:41 6.99MB LTE 4G MATLAB
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4G LTELTE-Advanced for Mobile Broadband (Second Edition) Base on Release 11 Second edition 2014 Erik Dahlman Stefan Parkvall Johan Sko¨ld
2019-12-21 22:05:23 9.62MB LTE LTE-A
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官方EC20 Linux驱动源码 GObinet +移植手册 +4G拨号程序源码
2019-12-21 22:00:08 5.02MB EC20 gobine 4G拨号
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适用于发送和接收字符串都确定的模块,AT模块通用初始化模板。功能:发送完,自动检查回复指令内容,支持超时重发,模块重启等操作,以RM08模块为历程,可移植到类似的模块。
2019-12-21 21:58:05 4KB RM08 AT WIFI 4G
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基于stm32f10系列mcu+sim900 4G模块 通过开源的MQTT代码(可自行到github或开源官网下载)实现的终端到服务的MQTT协议通信 代码简单 实现了订阅、发布等相关功能,可以简单发送消息,亦可传输文件;
2019-12-21 21:56:49 5.67MB MQTT; 4G SIM900
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AMD讯景RX560 4G(V) 型号560P45V 黑狼版原厂BIOS 频率1196MHZ,Micron镁光显存
2019-12-21 21:51:17 256KB 原厂显卡BIOS RX560 4GV Micron镁光
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AMD 讯景RX580 4G 黑狼版原厂BIOS,频率1366MHZ,Elpida尔必达显存
2019-12-21 21:51:17 256KB 原厂显卡BIOS RX580 4G Elpida尔必达
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此工具为手机研发测试CMWrun 4G自动化脚本,可以节约测试时间。
2019-12-21 21:47:15 74KB CMWrun脚本
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