腾讯视频分析优化指点书V2.0(5)
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">1.1 容量问题<span style="color: black;">引起</span>终端视频卡顿</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">1.1.1 整体扩容效果<span style="color: black;">评定</span></strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">经过</span>工具输出需要扩容的小区<span style="color: black;">名单</span>，<span style="color: black;">因为</span>扩容周期比较长，<span style="color: black;">因此呢</span>对比当前已完成的扩容小区，扩容前后的卡顿率变化，<span style="color: black;">亦</span><span style="color: black;">能够</span>看出容量对卡顿率的影响。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">前期完<span style="color: black;">成为了</span>197个小区的扩容，对比这些小区扩容前的卡顿率变化<span style="color: black;">状况</span>如下：</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-axegupay5k/b1431b32cc704585973bb642a1077235~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=ENYH%2Fmc%2FzKST%2BsmFBut6v5z%2Fm%2BU%3D" style="width: 50%; margin-bottom: 20px;"></div>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/228edb96d57549c883840b218afc48d9~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=GXgMfh2h2t4cRe4FZKfGwCNEUy8%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">从以上的数据<span style="color: black;">能够</span>看到，卡顿率扩容后有<span style="color: black;">显著</span>的下降，从扩容前的3.74%下降到扩容后的2.33%，下降了1.41%，改善程度：37.9%。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">1.1.2 TOP小区处理分析</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">经过</span>KPI<span style="color: black;">相关</span>分析，按<span style="color: black;">归类</span>筛选出质差小区，<span style="color: black;">选择</span>TOP容量的小区进行分析，以长泾力_3为例，<span style="color: black;">来讲</span>明容量对卡顿率的影响</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/4891659d87274567a4d25ad5da1b7f9e~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=cOqR0w2teIreKO94TD%2BQVhxs0Yo%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">以上是<span style="color: black;">经过</span>工具输出来的质差<span style="color: black;">归类</span>统计，其中容量类KPI超门限的指标项有8项，占整体质差的50%，以下是<span style="color: black;">详细</span><span style="color: black;">那些</span>容量类指标超过门限，<span style="color: black;">能够</span>看出，10个容量类指标中有8个指标超达，<span style="color: black;">因此呢</span><span style="color: black;">能够</span>认为此小区卡顿率高的<span style="color: black;">重点</span><span style="color: black;">原由</span>还是容量<span style="color: black;">导致</span>。</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/fd3c30473b2e464a94c8bea4a24d6b61~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=lDt0Iib2imM8kqIJVRvTC2clHyE%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">容量类指标的门限如下：（以下门限是KPI工具自动按4%的卡顿率来拟合的）</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/e8811719aca84208b272c9d31f0cccbd~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=Y8LmpFKow1H3ZaxmdGTzejuSmgU%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">此小区于4/20完成扩容，对比前后<span style="color: black;">1星期</span>的卡顿率指标<span style="color: black;">状况</span>如下：</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/814981ac697d4b59b5b576af95c6d23d~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=hau21u0P6SebzYhN%2BOvdKz8L7rA%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">从以上<span style="color: black;">能够</span>看到，扩容后小区的卡顿率从15.88%下降到5.67%（因小区<span style="color: black;">经过</span>KPI<span style="color: black;">相关</span>还存在空口质差问题，<span style="color: black;">因此呢</span>扩容后，卡顿率仍然稍高），下降了10.21%,改善效果非常<span style="color: black;">显著</span>。由此<span style="color: black;">能够</span>看出无线侧容量对卡顿率的影响还是非常大的。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">1.2 干扰<span style="color: black;">引起</span>终端视频卡顿</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">1.2.1 问题描述</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">经过</span>KPI话统<span style="color: black;">相关</span>小工具，分析X地市某小区<span style="color: black;">由于</span>干扰<span style="color: black;">引起</span>小区视频卡顿。该小区的腾讯视频卡顿指标如下：</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/68f3281a4f3b4324af02c4d30e73e0ad~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=JkOAIM%2BAGxzfw0y0%2FZf1mJLQizI%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">该小区干扰如下：</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/b19e19b3f4e44287a09d3c8c4d6b2668~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=libZNB5QQ1LFRzDx62zNvKlhs%2BI%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">1.2.2 问题处理及效果</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">如上表对比忙时和凌晨4点的上行干扰均值，<span style="color: black;">能够</span>看到其值基本相同，<span style="color: black;">因此呢</span><span style="color: black;">能够</span>判断该干扰为<span style="color: black;">外边</span>干扰。经过现场排查，<span style="color: black;">发掘</span>该站点<span style="color: black;">周边</span>存在<span style="color: black;">外边</span>放大器，4/17拆除后，再观察话统指标，干扰水平下降到正常范围：</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/660497b99479416aa0d8d6c7cdd69000~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=ykYGhePGuFvjXksVsC66Lse0Lx8%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">同期</span>从后两周腾讯通报的卡顿率来看，小区的周卡顿率从7.2%下降到1%以下，卡顿率改善<span style="color: black;">显著</span>，见下表：</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/e66b7a8e7ec04b42be415b1c6cc226e2~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=ZbcfuAXvAq6566VWmQDBDUZkRR8%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">1.3 覆盖差RF优化案例</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">经过</span>KPI分析工具，输出了综合质差小区，提交给现场RF组结合覆盖进行分析，输出优化<span style="color: black;">调节</span><span style="color: black;">意见</span>。</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/712131615bc04a64a5c681b6eb02e946~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=Ystn6s40lPTUNqp2EvFEs5WwHmc%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">以下是RF优化<span style="color: black;">调节</span>的实施<span style="color: black;">方法</span>：</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/fadefd64f124481d9997ae8cad76d4b7~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=GBiGbbNsilqu6%2BzJpCc12IdNI6A%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">以下是RF优化后卡顿率的变化<span style="color: black;">状况</span>，从下有<span style="color: black;">能够</span>看出，整体的卡顿率从优化前的12.13%下降到优化后的8.07%，下降了4.06%，改善还是比较<span style="color: black;">显著</span>。</span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/bbb3c9b02c20429ea785d91bdb18bcb9~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1725616076&x-signature=bFwMoFKckHyhwWl24Y7YO%2FIEy8A%3D" style="width: 50%; margin-bottom: 20px;"></div>
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