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GPRS(General Packet Radio Service)是通用分组无线业务的简称。GPRS是GSM Phase2.1规范实现的内容之一，能提供比现有...
GPRS(General Packet Radio Service)是通用分组无线业务的简称。GPRS是GSM Phase2.1规范实现的内容之一，能提供比现有GSM网9.6kbit/s更高的数据率。GPRS采用与GSM 相同的频段、频带宽度、突发结构、无线调制标准、跳频规则以及相同的TDMA帧结构。因此，在GSM系统的基础上构建GPRS系统时，GSM系统中的绝大部分部件都不需要作硬件改动，只需作软件升级。-GPRS (General Packet Radio Service) is a General Packet Radio Service abbreviation. GPRS GSM Phase2.1 norms to achieve one of the elements that can provide more than the existing GSM network 9.6kbit/s higher data rate. GSM and GPRS using the same frequency and bandwidth, unexpected structure, the wireless standard modulation, frequency hopping and the same rules TDMA frame structure. Therefore, in the GSM system builds on the GPRS system, the GSM system of most components do not need to make hardware changes, only for software upgrades.
- 2022-10-21 03:00:04下载
- 积分：1
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一个二分树文件存取的实验报告
一个二分树文件存取的实验报告-a two-tree file access Experimental report
- 2023-04-30 09:05:03下载
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MIMO系统中的天线选择算法的研究的详细讲稿！有PPT有仿真程序和仿真图！...
MIMO系统中的天线选择算法的研究的详细讲稿！有PPT有仿真程序和仿真图！-MIMO system, antenna selection algorithm for a detailed script! There are PPT simulation program and simulation map!
- 2023-07-27 08:55:04下载
- 积分：1
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vf课程设计
vf课程设计-vf curriculum designs
- 2023-07-12 02:15:03下载
- 积分：1
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reading software can read the article formats
阅读软件可以读各种格式的文章-reading software can read the article formats
- 2022-02-04 16:59:19下载
- 积分：1
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每个C++/C程序通常分为两个文件。一个文件用于保存程序的声明（declaration），称为头文件。另一个文件用于保存程序的实现（implementation...
每个C++/C程序通常分为两个文件。一个文件用于保存程序的声明（declaration），称为头文件。另一个文件用于保存程序的实现（implementation），称为定义（definition）文件。 C++/C程序的头文件以“.h”为后缀，C程序的定义文件以“.c”为后缀，C++程序的定义文件通常以“.cpp”为后缀（也有一些系统以“.cc”或“.cxx”为后缀）-each C/C procedures are usually divided into two documents. A document procedures for the preservation of the statement (declaration), referred to as the first document. Another document preservation procedures for the realization of (implementation), known as the definitions (definition) files. C/C procedures to the first document. " H "suffix, C procedures to document the definition." C "suffix, C procedures definition files normally." Cpp "suffix (and there are a number of systems to." Cc "or." Cxx "suffix )
- 2023-04-24 12:00:02下载
- 积分：1
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语言编程实例分析
语言编程实例分析-Programming Language Analysis
- 2022-12-04 09:30:03下载
- 积分：1
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来点文科的,欢迎下载
来点文科的,欢迎下载-point to the arts, welcomes Download
- 2022-08-03 04:17:25下载
- 积分：1
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上海交大的HDL设计PPT
上海交大asic设计ppt-Shanghai Jiaotong University HDL design ppt
- 2023-02-18 11:00:03下载
- 积分：1
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vc下如何实现并行算法
vc下如何实现并行算法-vc how to achieve parallel algorithm
- 2023-05-10 02:20:03下载
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