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[Communication-Mobile] CDMA协议scdma-3G协议 DL : 0: CDMA协议scdma-3G协议-CDMA protocol SCDMA protocol
Update : 2025-02-17 Size : 3.49mb Publisher : 李刚
[JSP/Java] CDMA_ModemContrl DL : 0: 本程序基于长江通信的CDMA1X无线网卡，已经在JBuilder2006上测试并通过，在使用时要注意comm.jar的正确导入。同时，要下载javacomm20-win32.zip包（可用google搜索下载），并做好相关配置。本压缩包中还包含了大量的modem相关资料仅供参考。-procedures based on the Yangtze Communication CDMA1X wireless card, JBuilder2006 in testing, and through, in the use of attention to the correct Comm.jar into. Meanwhile, To download javacomm20- win32.zip package (available to download google search), and do relevant configuration. The compression package also contains a large number of modem related information for reference purposes only.
Update : 2025-02-17 Size : 1.25mb Publisher : 王维杰
[3G develop] wcdma_ccode_rake DL : 0: WCDMA系统中rake接收机算法C＋＋代码，包括初始化、finger的搜索和合并等过程。-WCDMA system rake receiver algorithm C code, including initialization, finger search and the process of merging.
Update : 2025-02-17 Size : 9kb Publisher : 吴昊
[Software Engineering] RAKE_FPGA DL : 0: RAKE技术与CDMA系统相结合，能够带来系统容量和通信质量的极大提高。根据军事通信中对设备便携性及低功耗的特殊要求，本文研究了一种便携式基站的收发系统，重点研究了其中的RAKE接收部分。给出了系统的发送方案和接收方案，对接收机部分所涉及的关键技术和算法，包括数字下变频技术、匹配相关技术、多径搜索技术、信道估计技术、解调及多径合并技术进行了较为详细的分析和说明。在此基础上，运用VHDL语言进行了硬件平台上FPGA部分的功能实现，并对整个系统进行了调试，给出了一些相关的仿真及测试结果。最后对该系统还需进一步研究的问题进行了简要的介绍，对调试过程中的出现的一些问题进行了简单的分析和小结。 -CDMA system with RAKE combining technology, can bring the system capacity and communication quality significantly raised High. According to military communications equipment portability and low power consumption special requirements, this paper, a portable The base station transceiver system, which focuses on the RAKE receiving part. Then the system sends the program and Receiving scheme, the receiver part of the key technologies involved and algorithms, including digital down-conversion technology, matching the relevant technology, multi-path search and channel estimation, demodulation and multi-path merging techniques on a more detailed analysis and explanation. On this basis, the use of VHDL, FPGA hardware platform to achieve some functionality, and debugging the system, given some of the relevant simulation and test results. Finally the system need further study are briefly introduced, and the emergence of the process of debugging some problems in a simple analysis and summar
Update : 2025-02-17 Size : 2.38mb Publisher : 徐进
[Communication-Mobile] CDMA DL : 0: CDMA中地址码的寻找，找到了33组性能优于沃尔什码的地址码-search CDMA address codes
Update : 2025-02-17 Size : 2kb Publisher : liual
[Other] damstra04path DL : 0: Path search algorithms for application in W-CDMA systems+ c++ code
Update : 2025-02-17 Size : 736kb Publisher : ajidehac