通信人家园

标题: [原创]DTX时为什么FULL比SUB少20DBM  [查看完整版帖子] [打印本页]

时间:  2007-12-8 19:47
作者: 城墙     标题: [原创]DTX时为什么FULL比SUB少20DBM

 时
时间:  2007-12-8 22:13
作者: icomain

luguo
时间:  2008-2-13 16:20
作者: chongjuncj

这个不一定,使用dtx是指的非连续性发射,它对于信号的控制是有较大作用的。当测量报告显示这里的信号较弱时它就会提高发射功率,当信号很强时也会适当地降低功率。而且full和sub的计算方式也不一样。在开通dtx的情况下,以sub值作为参考更为合理
时间:  2008-3-13 08:02
作者: litom2004

采样点数不一样,统计结果的误差。后者更准确,所以一般建议用SUB值~~~~~~~~~~~~
时间:  2008-3-27 15:35
作者: dollymerry

FULL和SUB是什么意思啊  新手  不要笑
时间:  2008-4-8 00:36
作者: boland

Sub不考虑空闲frame, Full则全信道测量.  <br/>
时间:  2008-4-10 16:58
作者: mintimayday

&nbsp;<div class="O" vshape="_x0000_s1026"><div style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font face="新宋体"><font size="3"><span style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>GSM</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">中有两种测量方法:一种是</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">XX_FULL_XX</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">测量,该测量是对整个测量周期的</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">104</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">个时隙</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">的电平和质量的平均(</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">4</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">个</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">TCH</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">的</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">26</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">复帧);一种是</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">XX_SUB_XX</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">测量,它是对</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">12</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">个时隙的电平</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">和质量进行测量平均,包括</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">8</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">个连续的</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">TCH</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">突发脉冲(对</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">TCH/F</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">信道而言,以</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">0-103</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">个</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">TDMA</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">帧</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">为一个循环,这</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">8</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">个突发脉冲帧号为</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">52, 53, 54, 55, 56, 57, 58, 59</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">;当没有声音和信令传送时,它</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">们带有舒适噪声的描述信息称为</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">SID</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">)以及</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">4</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">个携带着测量报告的</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">SACCH</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">的突发脉冲(以</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">0-103</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">个</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">TDMA</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">帧为一个循环,这</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">4</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">个突发脉冲帧号为</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">12</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">,</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">38 </span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">,</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">64</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">,</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">90</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">)。</span></font></font></div><div style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font face="新宋体"><font size="3"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">&nbsp;&nbsp;&nbsp; 为了一致起见无论系统的</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">上下行是否激活</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">DTX</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">功能,基站和移动台都要完成这两种测量方法,而在</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">BTS</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">和移动台的每个</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">SACCH</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">测量报告里都指示了上次测量报告期间是否应用过不连续传输的模式,根据这一指示</span><span lang="EN-US" style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN;">BSC</span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;">来选择是用全局测量还是局部测量来进行判决。 </span></font></font></div><div style="mso-line-spacing: &quot;80 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;"><b><font face="新宋体" size="3"></font></b></span></div><div style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font face="新宋体"><font size="3"><span style="FONT-SIZE: 16pt; FONT-FAMILY: &quot;Book Antiqua&quot;; mso-ascii-font-family: &quot;Book Antiqua&quot;; mso-fareast-font-family: 宋体; mso-hansi-font-family: Arial;"><b><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;</span></b></span></font></font></div></div>
时间:  2010-11-2 17:31
作者: blackwolf

谢谢8楼的解答




通信人家园 (https://www.txrjy.com/) Powered by C114