3gpp是什么格式

3GPP TS 23.401 V10.11.0 (2014-03)

Technical Specification

3rd Generation Partnership Project; Technical Specification Group Services and System Aspects;

General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network

(E-UTRAN) access

(Release 10)

The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organizational Pa

Release12

3GPP Specification Release version matrix

Note：

这里只列出21-35系列

1．This table shows the versions which exist in each Release of the 3GPP specifications.

2．Versions in bold green are current and under active maintenance.

3．Versions in italic red are withdrawn.

4．Where no version is shown for a given Release, there is no valid spec for that Release.

Spec no. Title Requirements for the UMTS Terrestrial Radio Access (UTRA) system R99 Rel-4 Rel-5 Rel-6 21.01U 21.02U High level requirements relevant for the de

3GPP TS 36.104 V12.9.0 (2015-09)

Technical Specification

3rd Generation Partnership Project;

Technical Specification Group Radio Access Network;

Evolved Universal Terrestrial Radio Access (E-UTRA);

Base Station (BS) radio transmission and reception

(Release 12)

The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be imp

3GPP TS 36.304 V13.2.0 (2016-06)

Technical Specification

3rd Generation Partnership Project;

Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA);

User Equipment (UE) procedures in idle mode

(Release 13)

The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP.. The present document has not been subject to any approval process by the 3GPP Organisational Partners and shall not be i

河北大学工商学院14届本科生毕业论文（设计）

3GPP LTE OFDMA和SC-FDMA多址接入方案的研究

摘 要

LTE在下行采用正交频分复用多址接入(OFDMA)技术，因为OFDMA具有较高的峰均功率比（PAPR）。这对发射机功放的线性度要求较高，使得发射机成本明显增加;其次OFDMA要求子载波严格正交，因此它对频率偏移会比较敏感。单载波频分多址接入技术(SC-FDMA)是OFDMA技术的改进,相较于OFDMA，两者的系统结构和性能比较相似，但它具有低PAPR特性与对频率偏移不敏感的优势，并同样能在接收端应用频域均衡技术来有效对抗多径衰落的影响。因此3GPP决定在LTE上行采用SC-FDMA技术作为多址接入方式。本文将给出一个关于正交频分多址(OFDMA)和单载波频分多址(SC-FDMA)的概述,并对两者进行比较，利用Matlab对二者的PAPR进行了仿真，验证了SC-FDMA比OFDMA有较低的PAPR。此外，还研究了不同均衡方式和不同信道模型下的SC-FDMA的误码性能并得出相关结论。

关键词：OFDMA；SC-FDMA；峰均功率比

1

河北大学工商学院14届本科生毕业论文（设计）

Study of Multiple Ac

LTE

２０１０年２月北京邮电大学学报

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Ｆｅｂ．２０１０Ｖ０１．３３Ｎｏ．１

第３３卷第１期ＢｅｉｊｉｎｇＵｎｉｖｅｒｓｉｔｙｏｆＰｏｓｔｓａｎｄＴｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ

文章编号：１００７－５３２１（２０１０）０１－００２３－０４

３ＧＰＰ

ＬＴＥ系统的预编码码本选择方案

林雪红，

牛凯，贺志强，林家儒

（北京邮电大学信息与通信１－程学院，北京１００８７６）

摘要：利用等效矩阵和树搜索方法，提出了第三代合作伙伴计划长期演进（３ＧＰＰＬＴＥ）系统中发射天线数为４的预编码码本选择方案．将１６组预编码码本等效为５组预编码码本，再通过树搜索找到最佳码本．与最优码本选择方案相比，本方案有效减少了码本选择数目，降低了计算复杂度．仿真结果表明，此方案性能非常接近最优码本选择

方案．

关键词：第三代合作伙伴计划长期演进；多输入多输出；预编码；码本中图分类号：ＴＮ９２９．５

文献标志码：Ａ

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ＬＩＮＸｕｅ－ｈｏｎｇ，

（Ｓｃｈｏｏｌｏｆ

Ｉｎｆｏｒｍａｔｉｏｎａｎｄ

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３ＧＰＰＬＴＥＳｙｓｔｅｍ

ＮＩＵＫａｉ，ＨＥＺｈｉ ｑｉａｎｇ，ＬＩＮＪｉａ－ｒｕ

ＵｎｉｖｅｒｓｉｔｙｏｆＰ

3GPP TS 36.321 V8.7.0 (2009-09)

Technical Specification

3rd Generation Partnership Project;

Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Medium Access Control (MAC) protocol specification

(Release 8)

The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be

3GPP TS 36.211 V8.5.0 (2008-12)

Technical Specification

3GPP;

技术规范组无线接入网;

通用陆地无线接入演进(E-UTRA);

物理信道与调制

(Release 8)

Release 8 2 3GPP TS 36.211 V8.5.0 (2008-12)

Contents

F 前言 ................................................................................................................................................................. 6 1 2 3

3.1 3.2

Scope ....................................................................................................................................................... 7 参考文献 ............

篇一：巧用Media Player把CDA格式转换成MP3音乐

巧用Media Player把CDA格式转换成MP3

第一步：把要翻录的光盘放进光驱

第二步：打开Windows Media Player，然后选择菜单中的“翻录”选项。如图所示

第三步：一般Windows Media Player会自动导入音乐唱片集。如图所示

第四步：右键点击Windows Media Player边框出现“工具”—“选项”—“翻录音乐” 中设置1.“翻录音乐到此位置”（你要翻录的保存的音乐位置）2.翻录设置【格式】（你要翻录的音频格式MP3）3.音频质量设置成192Kbps（看情况

而定，想要音质好，就设置高点）

第五步：一切设置好后点“开始翻录”

第六步：在你保存的位置找到文件，就是你要的MP3格式文件。

以上简单几步就打工告成了，是不是很简单啊！

篇二：cda转换方法

cda转mp3格式转换器-转换器，cda转换mp3(转)，怎么把CDA格式转成MP3格式

1、 启动系统自带的

windows media player

2、 点击“翻录”，播放器会提示你插入CD光盘。插入CD光盘后，会出现曲目列表。

3、 转换前，再次点击“翻录”按键，在比特率选项中选择翻录后的MP3的采样率。一般

3GPP TS 36.213 V8.6.0 (2009-03)

Technical Specification

3rd Generation Partnership Project;

Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA);

Physical layer procedures

(Release 8)

The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP.

The present document has not been subject to any approval process by the 3GPP Organisational Partners and shall not be implemented.

This S