多小区联合检测专题.pdf
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1、哈尔滨 TD 多小区联合检测专项优化报告哈尔滨 TD 多小区联合检测专项优化报告哈尔滨 TD 多小区联合检测专项优化报告目录1.优化背景.3 2.基本原理.3 3.算法开启步骤.4 3.1.传输脚本配置.4 3.2.算法参数配置.5 4.指标评估.6 4.1.语音质量指标评估.6 4.2.ISCP指标评估 .7 4.3.话统指标评估.9 5.总结.9 文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编
2、码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F
3、9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编
4、码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F
5、9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编
6、码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F
7、9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9哈尔滨
8、 TD 多小区联合检测专项优化报告1.优化背景自建网以来,根据各地大量的统计数据分析,TD 网络的系统内干扰问题是导致用户感知变差及异常事件(掉话、切换失败)的重要原因。干扰造成的直接影响是链路质量的恶化,多小区联合检测可以降低上行用户间干扰,降低因用户间抬升功率导致ISCP高的上行干扰掉话,改善用户感知。哈尔滨异在哈尔滨移动TD 四期替换工程结束后,现网无大规模的搬迁和新建站点,网络状态趋于稳定,现阶段适合进一步开展提升整网指标的多小区联合检测的专项优化。考虑到 TD系统的特点,可以对多小区的同频用户进行干扰消除,开启多小区联合检测(MCJD)算法可整体提升用户感知、KPI指标、DT 测试和
9、 CQT测试指标。2.基本原理单小区联合检测单存的把它们看做无法消除白噪声干扰处理,减少了先验信息量,降低了借条门限;多小区联合检测将邻区用户信息(扰码,信道响应,扩频系数,扩频码)纳入到联合检测方程组中;通过多小区信道估计得到多小区信道响应,再通过多小区联合检测,这样干扰抑制效果得到明显提升;假设用户a,b 使用小区 1 的信号,用户c 处于小区边缘,使用小区2 的信号,目标是解调出用户a 的信息;单小区联合检测的时候,由于用户c 的上行信号被看做白噪声,只有小区 1 内的用户b 信息,所以联检方程组中没有红色部分;多小区联合检测时候,由于纳入了邻小区2 上用户 c 的上行信号,所以增加了先
10、验信息,方程组维度增多,这样明显提高用文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文
11、档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M
12、5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文
13、档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M
14、5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文
15、档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M
16、5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9哈尔滨 TD 多小区联合检测专项优化报告户 a 的信噪比增益;多小区联合检测是针对TD 系统内干扰而设计的同频干扰消除算法。当TD 用户数超过一定负荷后,为了平衡强干扰带来的性能下降,小区间可能会发生功率的相互攀升,造成网络性能的损失和终端发射功率的浪费。所以小区边界用户虽少,但是影响巨大,改善小区边界用户的性能对提高切
17、换成功率有决定性作用,考虑到TD 系统的特点,可以对多小区的同频用户进行干扰消除。多小区联合检测对RNC和 NodeB 做出如下整改:定时通过IUB 口下发邻区的上行码树更新消息给NodeB,目前每 3 秒发一次邻区消息,下发的规格为最高支持12 邻区 9 载频 3 时隙;NodeB 收集邻区上行的用户码,将邻小区干扰信号当作已知信号,进行联合检测;由于 NodeB 与 RNC之间的邻区信息更新较大,所以必须增加专用的传输通道;完成同频多小区算法需要得到相邻小区的完整的结构化信息,包括基本Midamble 码、扰码、信道响应、扩频系数和扩频码;3.算法开启步骤由于 MCJD引入的邻区负荷干扰信
18、息需要通过IuB 口传递,因此传输增加CCP是开启算法的前提。MCJD算法的开启的基本步骤为首先配置传输,然后配置强邻区脚本,最后在 RNC侧和NodeB 侧分别开启小区级算法开关。3.1.传输脚本配置传输脚本的配置基于CME工具,版本号CME V400R005C00SPC800,分别生成RNC和NodeB 侧脚本。注意:配置过程中不需要重启NodeB 或去激活小区/载波。利用CME 生成MCJD 新增CCP 指导书.doc生成的脚本样例如下:文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2
19、Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8
20、 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2
21、Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8
22、 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2
23、Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8
24、 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2
25、Y1Z9文档编码:CA6O2R8F9A8 HG8M5F9N1M8 ZH6R4W2Y1Z9哈尔滨 TD 多小区联合检测专项优化报告RNC侧:ADD SAALLNK:SRN=1,SN=2,SAALLNKN=6,CARRYT=IMA,CARRYSRN=1,CARRYSN=21,CARRYIMAGRPN=0,CARRYVPI=1,CARRYVCI=58,TXTRFX=156,RXTRFX=156,SAALLNKT=UNI,CCTMR=1000,POLLTMR=750,IDLETMR=15000,RSPTMR=15100,KEEPTMR=2000,MAXCC=4,MAXPD=25,STATLEN=67,
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