6hz7vif 发表于 2024-8-30 21:49:59

5G网络深度覆盖加强感知优化案例


    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">随着5G业务的发展，用户感知尤为重要，随着人们的生活水平<span style="color: black;">持续</span><span style="color: black;">加强</span>，对网络<span style="color: black;">运用</span>的<span style="color: black;">需求</span><span style="color: black;">亦</span>越来越高，用户感知更加重要，数据业务已超越语音业务<span style="color: black;">作为</span>流量和收入的主体，信号质量的决定<span style="color: black;">功效</span>更<span style="color: black;">显著</span>。</span></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;">5G TDD的频谱大带宽和Massive MIMO技术是真正能够<span style="color: black;">供给</span>eMBB 10倍能力<span style="color: black;">提高</span>的；但<span style="color: black;">亦</span>有其缺点，频谱要可<span style="color: black;">得到</span>，可<span style="color: black;">运用</span>，高频频谱覆盖不如低频，上行和下行的深度覆盖不足严重影响用户感知，是5G网络优化的重要工作，<span style="color: black;">这次</span>针对5G覆盖<span style="color: black;">办法</span>展开论述，<span style="color: black;">经过</span>参数<span style="color: black;">调节</span>、RF优化覆盖等有效手段进行分析优化，<span style="color: black;">提高</span>用户感知和满意度。</span></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;">【关键字】参数优化，覆盖优化，深度覆盖，感知<span style="color: black;">提高</span></span></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;">【业务类别】用户感知<span style="color: black;">提高</span></span></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;"><span style="color: black;">1. 深度覆盖定义与场景划分</span></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;"><span style="color: black;">1.1 深度覆盖定义</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;">深度覆盖是相<span style="color: black;">针对</span>广度覆盖而言的，是在广度覆盖基本完成的<span style="color: black;">状况</span>下，对广度覆盖的<span style="color: black;">弥补</span>和加强，按场景可分室内和室外两部分。</span></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;">室<span style="color: black;">外边</span>分：<span style="color: black;">因为</span><span style="color: black;">繁杂</span>的地理环境与建筑环境，形成相互阻挡的建筑物、大型高架桥下、建筑之间道路等；室内部分：写字楼、住宅楼、宾馆酒店、大型场馆、城市快速路下穿隧道等。如下表1：</span></span></p>
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                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">场景</span></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;">景场景描述</span></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;">高层、多层、别墅小区</span></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;">楼宇形状统一，布局规章，阻挡严重，高层信号好于低层</span></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;">混合型小区</span></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;">楼宇高低不一，封闭型较多</span></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;">城区道路</span></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;">楼宇阻挡带来的弱覆盖区域</span></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;"><span style="color: black;">商场</span>区</span></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;">商铺、广场、大排档、集市</span></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;">下穿隧道</span></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;">道隧道内信号非常弱，急需要覆盖</span></span></p>
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    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">1.2 场景<span style="color: black;">归类</span></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;">随着城市建设的规模<span style="color: black;">持续</span>加大， 带来了众多城市建筑的多元化发展，区域内风格多样的建筑<span style="color: black;">作为</span>城区的亮点。<span style="color: black;">然则</span>这些环境内无线网络的环境<span style="color: black;">繁杂</span>，<span style="color: black;">况且</span>移动通信网络建设的<span style="color: black;">需求</span><span style="color: black;">亦</span>很高，必须采用<span style="color: black;">恰当</span>的网络优化手段，将容易<span style="color: black;">出现</span><span style="color: black;">暗影</span>衰落的区域进行划分。</span></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;">随着城区5G 网络和基站的开通， 覆盖的区域<span style="color: black;">持续</span><span style="color: black;">增多</span>，终端客户群和网络承载手机移动流量<span style="color: black;">亦</span><span style="color: black;">持续</span>扩大，随着5G 基站开通和覆盖区域的<span style="color: black;">持续</span><span style="color: black;">增多</span>， 各设计单位和厂家定会<span style="color: black;">一起</span><span style="color: black;">科研</span>出多种深度覆<span style="color: black;">处理</span><span style="color: black;">方法</span>和新型<span style="color: black;">制品</span>， 以推动<span style="color: black;">全部</span>移动通信行业的发展。</span></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;">如下表2</span></span></p>
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                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">场景<span style="color: black;">归类</span></span></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;">建筑特点</span></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;">深度覆盖</span></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;">工业厂区</span></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;">建筑密集，厂房、空旷地多</span></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;">站间距大，深度覆盖难</span></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;">城中村</span></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;">建筑物不规则，规模大</span></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;">建筑老旧室分难布，深度覆盖难</span></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;">高层建筑</span></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;">建筑高</span></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;">站点高度不足，深度覆盖难</span></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;">商圈、医院</span></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;">建筑密集</span></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;">信号多，受到干扰大</span></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;">公园</span></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;">空旷</span></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;">山林遮挡，深度覆盖难</span></span></p>
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    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">2.深度覆盖优化<span style="color: black;">处理</span><span style="color: black;">办法</span></span></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;"><span style="color: black;">2.1 深度覆盖总体原则</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;"><span style="color: black;">思虑</span>到工程的实施难度和造价进行深入思考，遵循分级建设、室内外协调、快速<span style="color: black;">安排</span>、业务<span style="color: black;">需要</span>的原则进行覆盖优化。</span></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;">分级建设，用户的业务分布、覆盖场景的优先等级等，都是分期、分批建设的依据。</span></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;"><span style="color: black;">尽可能</span>采用室外的宏站加微基站等进行快速<span style="color: black;">安排</span>，减少覆盖空洞。</span></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;"><span style="color: black;">按照</span>市场<span style="color: black;">需要</span>，<span style="color: black;">选取</span>用户密度大的综合性场所和建筑物等进行施工，5G手机无处不在地<span style="color: black;">表示</span>5G信号Logo对运营商品牌宣传的<span style="color: black;">功效</span>是巨大的，<span style="color: black;">拥有</span><span style="color: black;">很强</span>的经济效益。</span></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;"><span style="color: black;">2.2 深度覆盖<span style="color: black;">方法</span></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;">在现网中楼宇阻挡<span style="color: black;">导致</span>的弱覆盖区域，<span style="color: black;">倘若</span>是独栋楼宇<span style="color: black;">导致</span>，影响范围相对较小；<span style="color: black;">倘若</span>是连片楼宇相互阻挡<span style="color: black;">导致</span>的，影响范围<span style="color: black;">很强</span>。这两种<span style="color: black;">状况</span>下，<span style="color: black;">经过</span>新增常规宏基站的手段<span style="color: black;">常常</span>较难<span style="color: black;">处理</span>，<span style="color: black;">同期</span>还存在站点获取难度大、<span style="color: black;">没法</span>实施的困难。下穿隧道场景，常规宏基站只能<span style="color: black;">处理</span>出入口部分覆盖，内部仍然存在弱覆盖。下面介绍几种常用的<span style="color: black;">处理</span><span style="color: black;">方法</span>。</span></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;"><span style="color: black;">2.2.1 采用BOOKRRU站</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;"><span style="color: black;">针对</span>沿街底层商铺、次要道路路口因楼宇、树木阻挡<span style="color: black;">导致</span>的弱覆盖区域，采用街道站、灯杆站等方式，<span style="color: black;">处理</span>覆盖和容量问题。</span></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;">下图是<span style="color: black;">已然</span>完成安装的灯杆站现场照片。该区域是街道道路两旁树木林立，人流量大、宏站信号难于满足覆盖<span style="color: black;">需要</span>。灯杆站的信源采用RRU 拉远，杆上安装或落地柜内安装；<span style="color: black;">选择</span>定向板状天线，安装在可用的路灯杆、监控杆<span style="color: black;">或</span>低压电力杆上；灯杆站覆盖半径<span style="color: black;">掌控</span>在150m <span style="color: black;">上下</span>，天线方位角设置与街道走向保持<span style="color: black;">必定</span>的<span style="color: black;">方向</span>，<span style="color: black;">恰当</span><span style="color: black;">处理</span>深度覆盖不足问题。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-axegupay5k/13b16885a59740f489e653e128f6feda~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=Z7O8PVdx%2B9QtBhRngDrjwxN20ZM%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;"><span style="color: black;">2.2.2 <span style="color: black;">恰当</span>设置天线覆盖场景</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;">密集城区高楼阻挡形成的弱覆盖区域，<span style="color: black;">恰当</span>采用5G天线多样性，灵活的设置覆盖场景天线横置等方式<span style="color: black;">处理</span>该区域的弱覆盖问题。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/810affeffafb4a1bb1df02321ab8bd1b~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=8qcQCGhjuThTCJnx0dDJW0XJO%2BU%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;">对楼宇中高层覆盖，宜采用天线上仰、横置的方式。<span style="color: black;">因为</span>楼宇属于无线环境<span style="color: black;">繁杂</span>区域，需要对天线参数进行定制，<span style="color: black;">掌控</span>水平/ 垂直波瓣范围。可采用SCENARIO-6/7/8/9天线，对路口及楼宇出入口进行覆盖。</span></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;"><span style="color: black;">2.2.3更换AAU单板，增大功率<span style="color: black;">加强</span>覆盖能力</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;">随着5G的快速发展，密集城区容量扩容<span style="color: black;">需要</span>愈发迫切。运营商为了满足覆盖和容量<span style="color: black;">需要</span>，加站<span style="color: black;">作为</span>一种必然的<span style="color: black;">选取</span>。而<span style="color: black;">增多</span>宏站成本高，周期长。运营商需要一种适合快速建网的低成本<span style="color: black;">处理</span><span style="color: black;">方法</span>。<span style="color: black;">因此呢</span>华为特推出了新型的宏站<span style="color: black;">处理</span><span style="color: black;">方法</span><span style="color: black;">帮忙</span>运营商<span style="color: black;">处理</span>城区密集城区容量和深度覆盖<span style="color: black;">困难</span>。</span></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;">AAU5639w是<span style="color: black;">处理</span>深度覆盖<span style="color: black;">方法</span>的重要射频单元，它采用AAS技术，将天线和射频集成，支持功率240W。</span></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;"><span style="color: black;">2.2.4 LTE&amp;NR DSS新技术应用</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;">5G的初期<span style="color: black;">安排</span>引入了NSA模式，利用与LTE的双连接，实<span style="color: black;">此刻</span>LTE上<span style="color: black;">做为</span>信令的锚点，在5G的载波上进行上下行用户数据的调度，5G频段高传播能力相对LTE低频段差，上下行覆盖能力受限的弱点。必然会带来上下行覆盖的限制问题，虽然引入了beamforming等手段进行改善，但依然存在上下行覆盖的问题。</span></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;">DSS <span style="color: black;">经过</span>在现有4G LTE基站上实施软件升级以创建4G/5G混合基站，<span style="color: black;">能够</span>在LTE和5G NR覆盖范围之间动态切换，支持基站在低、中、高频之间灵活<span style="color: black;">运用</span>现有频谱，<span style="color: black;">极重</span>的<span style="color: black;">提高</span>5G基站的覆盖能力，使移动运营商能够快速经济<span style="color: black;">有效</span>地建设5G网络。</span></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;"><span style="color: black;">2.2.5常规<span style="color: black;">提高</span>手段-外场侧</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;"><span style="color: black;">按照</span>路测分析针对弱覆盖小区进行现场勘查并<span style="color: black;">按照</span><span style="color: black;">状况</span>采用以下<span style="color: black;">提高</span><span style="color: black;">方法</span>：</span></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;">Ø 天馈输出功率<span style="color: black;">反常</span>，更换天线</span></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;">Ø 方位角&amp;下倾角不<span style="color: black;">恰当</span>，<span style="color: black;">调节</span>天馈</span></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;">Ø 小区主覆盖方向遮挡，整改更换天线位置</span></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;">Ø 深度覆盖不足，新增信源（补全室内分布系统，拉远覆盖，小基站等<span style="color: black;">处理</span><span style="color: black;">方法</span>，新增室分，新建宏站）</span></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;"><span style="color: black;">2.2.6 常规<span style="color: black;">提高</span>手段-系统侧</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;">Ø 存在告警站点影响覆盖提交<span style="color: black;">守护</span>处理</span></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;">Ø 影响接入和切换参数核查，列如：RLCPDCPPARAGROUP、NRSCGFREQCONFIG、NSADCMGMTCONFIG等</span></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;">Ø 小区功率最优<span style="color: black;">方法</span></span></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;">Ø 邻区关系和X2优化减少漏配和冗余<span style="color: black;">引起</span>切换不<span style="color: black;">即时</span>，影响用户感知</span></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;"><span style="color: black;">3.深度覆盖优化案例</span></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;"><span style="color: black;">3.1 利用ACP技术<span style="color: black;">恰当</span>的设置5G Massive MIMO场景</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;">【背景介绍】无线网络规划优化是一项重要且浩大的工程，优化无线网络的过程中，经常会面临如下挑战：</span></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;">Ø <span style="color: black;">怎么样</span><span style="color: black;">才可</span><span style="color: black;">有效</span>地规划建设一张<span style="color: black;">优秀</span>网络？</span></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;">Ø <span style="color: black;">怎么样</span><span style="color: black;">才可</span>快速准确地进行RF优化，减少天馈的反复<span style="color: black;">调节</span>，达到最优的覆盖效果？</span></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;">随着信息技术的快速发展, 面对多样化的5G场景，<span style="color: black;">怎样</span>对网络层的多个参数进行优化设置,以达到<span style="color: black;">全部</span>网络结构的最佳状态,给网络优化带来了新的挑战。</span></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;">对网络配置进行即时定位并结合<span style="color: black;">都数</span>据资料的分析能力来实现网络优化,<span style="color: black;">保证</span>参数<span style="color: black;">调节</span>的准确性和快速性,<span style="color: black;">作为</span>现<span style="color: black;">周期</span>无线网络优化的发展趋势。<span style="color: black;">这里</span>背景下,本文对小区自动寻优(Automatic Cell Planning,ACP)技术进行了<span style="color: black;">科研</span>,利用ACP技术进行深度网络优化。</span></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;">xx局点DX 是<span style="color: black;">全世界</span>SA/NSA首发商用局点，面向DX 及<span style="color: black;">全世界</span>客户群展示5G SA/NSA商用能力。坂田示范区<span style="color: black;">做为</span>xx局点重要试点区域之一，完<span style="color: black;">成为了</span>5G ACP等重要功能模块的试点区域验证。此次验证针对NSA网络，共<span style="color: black;">触及</span>23个站点、71个小区，并进行多轮pattern迭代寻优。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/4429b957bf0741a4b8212bf763542afa~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=BTcxmdeHMu%2Bmngwtc4FOwjXNwhE%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;">【优化<span style="color: black;">方法</span>】xx<span style="color: black;">实验</span>区域共有71个小区，部分路段覆盖较差，整体覆盖率较低，<span style="color: black;">经过</span>ACP优化以改善<span style="color: black;">基本</span>覆盖为<span style="color: black;">目的</span>，实施最优覆盖参数，波束场景<span style="color: black;">调节</span>24条，数字倾角<span style="color: black;">调节</span>19条，数字方位角<span style="color: black;">调节</span>11条。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/dbc941295ad344a8b0ad35bd33378c13~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=i9O35IMUf7k2ZAFnS4GbX78OZGM%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;">1、优化前后SSB-RSRP (dBm) 图层对比</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/7fb05814809047e0abaf58fd2e475953~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=k06iM1kGXpWe4%2Fp7dfer6dxchc0%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;">2、优化前后SSB-SINR (dB) 图层对比</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/5f93b66f03214f5db774efb37efd5a62~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=%2B%2BVgm7PHmPe71n7i6lWh3iKxIgU%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;"><span style="color: black;">这次</span>xx<span style="color: black;">实验</span>区域利用ACP技术<span style="color: black;">精细</span>设计覆盖场景，SSB RSRP<span style="color: black;">提高</span>8.35 dB，SSB SINR<span style="color: black;">提高</span>1.32dB，覆盖率<span style="color: black;">提高</span>40.70%，下行PDCP平均速率<span style="color: black;">提高</span>167.17Mbit/s。</span></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;">【经验总结】该<span style="color: black;">方法</span>的优点在于：优化<span style="color: black;">调节</span><span style="color: black;">方法</span>输出快，<span style="color: black;">方法</span>优，避免优化靠经验进行反复<span style="color: black;">调节</span>。结合ACP技术可有效利用好5G Massive MIMO场景<span style="color: black;">选取</span>，<span style="color: black;">能够</span><span style="color: black;">提高</span>覆盖的深度、厚度、有效<span style="color: black;">掌控</span>干扰。</span></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;"><span style="color: black;">3.2 LTE&amp;NR DSS场景<span style="color: black;">加强</span>覆盖</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;">动态频谱共享（DSS，Dynamic Spectrum Sharing）它是在载波聚合<span style="color: black;">没法</span><span style="color: black;">提高</span>频谱利用率上一次重大的<span style="color: black;">提高</span>，让<span style="color: black;">区别</span>制式的网络<span style="color: black;">能够</span>共享<span style="color: black;">运用</span>相同的频谱资源。<span style="color: black;">例如</span>，动态频谱共享技术可在4G和5G之间智能动态分配频谱，从而实现了频谱资源的高效利用。有了动态频谱共享，再结合载波聚合技术，运营商可打通4G和5G频谱资源，有效的缓解xx局点DX 4G网络的负荷压力，<span style="color: black;">提高</span>5G覆盖能力，<span style="color: black;">加强</span>资源利用效率。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/1979b1778a1c402295a4163ad47d962f~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=FK1Tc4Z3jkQVgJ0nqgrbRJj0%2BwY%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;">【背景介绍】NR2.1G现网已规划872个，当前已完成安装318个，<span style="color: black;">日前</span>已数据配置141个。数据已配置站点跟现网LTE2.1频率共用，<span style="color: black;">这次</span>验证开通NR动态频谱共享方式，<span style="color: black;">评定</span>NR对现网LTE的影响。</span></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;">【测试环境】测试区域<span style="color: black;">位置于</span>xx向西新围，该区域为城中村，NR站点XJ-GW_XXXX工业区接入网机房5，站高为12米，小区方位角190覆盖方向存在LTE2.1G站点XJ-FO_XX向西新村50号，站高为33米，距离NR为233米。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/ff8da197dc594f719f63b187e40d6add~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=yhAYP94eQMxNrbZDOmQAQScszv4%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <div style="color: black; text-align: left; margin-bottom: 10px;">
      <div style="color: black; text-align: left; margin-bottom: 10px;">
            <div style="color: black; text-align: left; margin-bottom: 10px;">
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">站点类型</span></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;">经度</span></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;">纬度</span></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;">基站名<span style="color: black;">叫作</span></span></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;">基站ID</span></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;">小区名<span style="color: black;">叫作</span></span></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;">小区ID</span></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;">PCI</span></span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">NR2.1G</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">114.063</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">22.7227</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-GW_XXXX工业区接入网机房5</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">771716</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-GO_xx向西新围（SS)_0</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">6</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">51</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">NR2.1G</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">114.063</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">22.7227</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-GW_XXXX工业区接入网机房5</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">771716</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-GO_xx向西新围（SS)_1</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">7</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">52</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">NR2.1G</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">114.063</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">22.7227</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-GW_XXXX工业区接入网机房5</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">771716</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-GO_xx向西新围（SS)_2</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">8</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">53</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">LTE2.1G</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">114.062791</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">22.720645</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-FO_XX向西新村50号</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">267379</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-FO_XX向西新村50号_0</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">128</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">150</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">LTE2.1G</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">114.062791</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">22.720645</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-FO_XX向西新村50号</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">267379</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-FO_XX向西新村50号_1</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">129</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">152</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">LTE2.1G</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">114.062791</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">22.720645</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-FO_XX向西新村50号</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">267379</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">XJ-FO_XX向西新村50号_2</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">130</span></p>
                <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">151</span></p>
            </div>
      </div>
    </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;">【验证<span style="color: black;">方法</span>】测试单站点独立开通NR、开通NR动态频谱共享分别在空载、加载、NR低功率时对周边LTE2.1G的干扰，并对比NR不开通场景。共设计5个测试用例，<span style="color: black;">仔细</span>测试用例如下。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/96db3b3e493140d2a3276bcfa6adaf91~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=c2pF%2FoZxOOmal7sUVOFqedQzaFg%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;">【验证结果】CQT<span style="color: black;">选定</span>主选LTE小区XJ-FO_XX向西新村50号_0，PCI：150，近中远点均相<span style="color: black;">针对</span>该LTE小区。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/bc763503216b4fd09f7c49b8c69d81ca~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=PMKPhHeX6ZhbRE47X6zqDCUhafw%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;">1、单站点<span style="color: black;">选定</span>CQT测试结果分析</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/c143776aec1f4f508e31b25aec76b6b0~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=LpoujxsK%2Fi5wCnhIAQDN1gEvRSw%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;">1）独立开通NR站点在功率正常且空载时，对比NR不开通，中点SINR下降7dB，远点SINR下降13dB<span style="color: black;">上下</span>。加载80%的场景下，测试LTE站点近点测试结果无<span style="color: black;">显著</span>变化，中点、远点SINR对比NR不开通时下降14dB<span style="color: black;">上下</span>，LTE信号质差<span style="color: black;">导致</span>掉话或<span style="color: black;">不可</span>正常接入。</span></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;">2）对比NR不开通，独立开通NR站点在功率调低到14mw时，测试LTE站点的近中远点位置NR信号弱，5G测试手机已<span style="color: black;">不可</span>占用5G网络，测试LTE站点信号质量与NR不开通时无<span style="color: black;">显著</span>变化。</span></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;">3）开通NR动态频谱共享，测试LTE站点近点位置信号质量与NR不开通时接近，中远点测试点位在动态频谱共享LTE站下，已占用动态频谱共享LTE小区，信号质量较好。</span></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;">2、单站点DT测试结果分析</span></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;">1）独立开通NR 2.1G在加载时拉网测试SINR总体最差，较不开通NR时SINR下降2.9dB，对周边LTE站点干扰<span style="color: black;">很强</span>。</span></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;">2）开通NR 2.1G动态频谱共享，相当于引入1个新的同频LTE站点，近点无变化，远点切换到新开DSS的LTE小区性能变好。</span></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;">【话统指标监控】DSS站点周边LTE小区指标<span style="color: black;">安稳</span>，周边LTE2.1G站点下行感知速率略有<span style="color: black;">提高</span>0.2Mbps。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/e8da3e600b3845e58a8da97fbf00277e~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=ITdnWu6MG3qZ6Y0QH9Ymo%2B4Or18%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/a2176f4ed351434fa2420851493dd876~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=yEAPksB1SmtAQCEFwqdeIuWRPBU%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;">DSS LTE2.1G站点指标<span style="color: black;">安稳</span>，同站LTE1.8G负荷降低后感知速率<span style="color: black;">提高</span>5.4Mbps。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/1fbad2a17ecb490b975985096d65b98e~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=e5NF7aaPZ72eoweHCc5s5p7O2bY%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;">1）动态频谱共享NR 2.1G，较NR不开通在空载时，接通率下降0.1%，掉话率基本持平，开通动态频谱共享时周边LTE指标变化较小，上行PRB干扰变化较小。</span></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;">2）DSS开通后，DSS LTE2.1G与同站LTE1.8G业务量对比，DSS LTE2.1G吸收同站LTE 1.8G负荷，总体流量与用户数都有增长。</span></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;">【经验总结】DSS站点开通后，新增DSS LTE 2.1G有效吸收现网负荷，降低了LTE1.8G的高负荷压力，<span style="color: black;">提高</span>感知指标。LTE&amp;NR DSS动态频谱共享，按需<span style="color: black;">供给</span>4G和5G的服务，动态灵活<span style="color: black;">调节</span>不浪费资源，快速、低成本地让5G实现大面积覆盖。</span></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;"><span style="color: black;">3.3 切换不<span style="color: black;">即时</span><span style="color: black;">引起</span>高质差影响用户感知</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;">【问题描述】在xx大道<span style="color: black;">周边</span>UE占用GM_XXXXX光电子有限<span style="color: black;">机构</span>_0小区<span style="color: black;">没法</span>正常切换至XJ-GO_XXXX沙河西立交改_0。</span></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;">【分析过程】UE占用GM_XX光电子有限<span style="color: black;">机构</span>_0小区信号（RSRP-85dBm,SINR-11dB）。邻区XJ-GO_XX沙河西立交改_0小区信号（RSRP-70dBm,SINR13dB）。UE频繁上报A3<span style="color: black;">测绘</span>报告，且邻区存在强信号小区，却<span style="color: black;">始终</span>未<span style="color: black;">出现</span>切换。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/6879252d7fe14c0fa01cb5b45720c8d7~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=C17K6vnRuSuw4tm9arlzp97rSp8%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;">1、后台核查GM_XXX光电子有限<span style="color: black;">机构</span>_0与XJ-GO_XXXX沙河西立交改_0存在<span style="color: black;">外边</span>邻区；</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/4f2c749d8d8c45c48648418b43fa78c2~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=DlrGEqy7L24bT1IGy%2FAh9zOvkXg%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;">2、核查两站之间存在X2且正常，核查南山新飞通光电子有限<span style="color: black;">机构</span>与南山深南沙河西立交改两个站点均存在两个NG接口；</span></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;">3、核查南山新飞通光电子有限<span style="color: black;">机构</span>与南山深南沙河西立交改两个站点间存在XN接口；</span></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;">4、参数核查<span style="color: black;">发掘</span>两站间的<span style="color: black;">外边</span>邻区架构选项为非独立组网模式，<span style="color: black;">可疑</span>改模式下SA<span style="color: black;">没法</span>自<span style="color: black;">创立</span>XN<span style="color: black;">引起</span>不切换；</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/d3cc9692ceed454b85f14b82423c2f46~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=KGHCjN3pPc%2B1AHUrEbjbF9zbvU0%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;">【<span style="color: black;">处理</span><span style="color: black;">方法</span>】修改两站间间的<span style="color: black;">外边</span>邻区架构选项修改为不受限模式。测验证后，GM_XXXXX光电子有限<span style="color: black;">机构</span>_0与XJ-GO_XXXX沙河西立交改_0能正常切换，SINR值良好。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/c7addae204fa4b2585420fa85330d335~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=f9Z9bO4WhyPlQS00mrw37MEItCU%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;"><span style="color: black;">3.4小区邻区漏配<span style="color: black;">引起</span><span style="color: black;">没法</span>切换，影响体验</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;">【问题描述及分析】测试车辆在xx路<span style="color: black;">周边</span>从南往北方向行驶中,UE占用XJ-GO_福田xx大道南_0小区信号，RSRP:-107dBm<span style="color: black;">上下</span>，SINR:-3,邻区接收到GO_XX酒店_0信号，经<span style="color: black;">查找</span>现网邻区漏配，<span style="color: black;">引起</span>终端<span style="color: black;">持续</span>上报A3事件，<span style="color: black;">没法</span><span style="color: black;">即时</span>切换，<span style="color: black;">引起</span>弱覆盖。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/099b79bad105481a9b796b83a8466241~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=wcpVfZQOuX4qlZNXtYBExzJ7G6U%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;">【<span style="color: black;">处理</span><span style="color: black;">方法</span>】添加XJ-GO_福田xx大道南_0与GO_xx酒店_0双向邻区关系；</span></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;">【<span style="color: black;">方法</span>实施】复测验证正常，占用GO_XX酒店_0信号，RSRP为-94dBm,SINR为6。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/75f9fcc580554b318d90769db2702dd6~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=8%2Fk4x4b9ZYoMCf%2BU3GLoIAn6Lbs%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/bf8244e285fc400dae242753a78e3c45~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1725613297&amp;x-signature=QzcdzvuwcP2RjBxQ3kuT6AbfTc8%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;"><span style="color: black;">4.经验总结</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;">综上所述，深度覆盖是5G网络需要<span style="color: black;">处理</span>的重点问题之一。为此，<span style="color: black;">咱们</span>要在5G网络覆盖<span style="color: black;">处理</span><span style="color: black;">方法</span>上加大工作力度，为打造5G深度覆盖网络精品工程做好准备，以赢得用户的好评，<span style="color: black;">得到</span><span style="color: black;">很强</span>的市场份额。本文对5G深度覆盖的特征、难点进行了全面分析，给出了<span style="color: black;">区别</span>场景下的<span style="color: black;">处理</span><span style="color: black;">方法</span>。</span></span></p>




1fy07h 发表于 2024-10-6 04:31:10

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