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随着移动不限流量套餐用户数的持续增长，校园流量呈现爆发式增长。为应对持续增大的网络负荷压力，安徽移动采用华为LampSite解决方案解决容量难题，并在金秋九月开学之际顺利开通全球首个光架构数字化室分，提升了用户下载感知速率，释放了压抑流量，高效保证了学校用户的业务体验，成为室分场景建设的最佳利器。

安徽新华学院和滁州学院均为高校流量重地，合计占地约208万平方米，在校师生共4万余人，随着日益增长的业务量，现有室分网络已经无法满足用户体验。

安徽新华学院                                                     滁州学院

安徽移动通过LampSite的安装简便、施工快速的高效交付方式，仅用十余天便完成工程实施和调测优化，BBU集中布放在附近机房，RHUB在弱电井内集中布放或挂墙布放，pRRU通过吸顶，壁挂等方式安装在过道或者天花板上，pRRU与RHUB通过光电混合缆连接。数字化室分的部署在保持美观的同时提升了无线网络的性能。

pRRU安装在过道上                                        RHUB挂墙布放

网络开通一周后，性能稳定，通过现网实际测试，速率、流量等关键指标均得到大幅提升，下行平均速率可达80-100Mbps，较开通前提升幅度200%以上；上行平均速率可达7-8Mbps，较开通前提升幅度100%以上。同时，覆盖率（RSRP≥-105dBm且 RS-SINR ≥6dB）达100%且无外泄情况，彻底消除弱覆盖区域，提升用户感知。站点开通后单栋楼日均流量达到436GB，用户日均流量高达465MB/天，相比于周边部署传统室分楼宇，单用户日均流量提升幅度达188%，网络收益效果非常明显。

本次部署的主设备使用业界首款光架构方案，具备更高带宽、更大容量，能够满足未来5G的更大带宽需求。其中，RHUB通过光电混合缆与pRRU连接，相比传统电架构方案保持高传输速率下支持更远距离，使头端pRRU可支持更多载波、更大发射功率，具备向5G演进能力；而且本次部署的头端pRRU发射功率、单模块支持载波数均为业界领先，同时保留了架构简单便于快速部署的优势；同时，数字化室分的系统容量可灵活扩展，硬件不动，软件小区分裂实现扩容，从容应对网络负载持续提升带来体验下降的挑战。光架构数字化新型室分不仅能满足当前4G流量的爆发式增长，同时具备面向5G的演进能力，轻松应对未来二次进场、施工难、费用高等问题，抢占5G先发优势。

安徽移动为保障用户体验，提升用户感知，未来将持续联合华为持续推进室内数字化室分建设，深入推动数字技术进步，深度拓展先进技术的场景应用，打造一张体验优、易运维、易扩容、易演进的面向5G的数字化室分网络。

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With the continuous growth of the number of mobile unlimited number of packages, campus traffic is showing explosive growth. In order to cope with the increasing network load, Anhui Mobile uses Huawei LampSite solution to solve the capacity problem, and successfully opens the world's first optical architecture digital room when the school starts in September, which improves the user download perception rate, releases suppressed traffic, and effectively guarantees the business experience of school users. It is the best weapon for building the scene.

Anhui Xinhua College and Chuzhou College are both places with heavy flow of colleges and universities, covering a total area of about 2.08 million square meters. There are more than 40,000 teachers and students in the college. With the increasing business volume, the existing room branch network has been unable to meet the user experience.

Anhui Xinhua University Chuzhou University

Anhui Mobile through the installation of LampSite easy, rapid and efficient delivery of construction, only in 10 days to complete the implementation of the project and survey optimization, BBU centralized distribution in the nearby computer room, RHUB centralized distribution in weak wells or hanging wall layout, pRRU through ceiling, wall hanging and other ways installed in the aisle or ceiling, pRRU and RHUB Connect by photoelectric hybrid cable. The deployment of digital room points improves the performance of wireless networks while maintaining beauty.

PRRU installed on the aisle, RHUB hanging wall cloth.

After a week of network opening, stable performance, through the actual test of the existing network, speed, traffic and other key indicators have been greatly improved, the average downlink rate can reach 80-100 Mbps, more than 200% increase than before opening, the average upstream rate can reach 7-8 Mbps, more than 100% increase than before opening. At the same time, the coverage rate (RSRP < 105dBm and RS-SINR < 6dB) is 100% and no leakage, so the weak coverage area is eliminated completely and the user perception is enhanced. After the opening of the site, the average daily flow of a single building reaches 436GB, and the average daily flow of users reaches 465MB / day. Compared with the surrounding deployment of traditional room sub-buildings, the average daily flow of a single user increases by 188%, and the network benefits are very obvious.

This deployment of the main device using the industry's first optical architecture scheme, with higher bandwidth, greater capacity, to meet the future 5G of greater bandwidth requirements. RHUB connects to the pRRU via hybrid optoelectronic cable, which supports a longer distance at higher transmission rate than the traditional electrical architecture scheme, enabling the head-end pRRU to support more carriers and more transmit power, and has the ability to evolve to 5G. At the same time, it retains the advantages of simple architecture and easy rapid deployment; at the same time, the system capacity of the digital room can be flexibly expanded, the hardware is fixed, and the software cell is split to expand, so it can meet the challenge of experiencing decline brought by the continuous increase of network load. Optical architecture digital new room not only can meet the current explosive growth of 4G traffic, but also has the evolutionary ability for 5G, easy to deal with the future of secondary access, construction difficulties, high costs, and seize the 5G first-mover advantage.

Anhui Mobile will continue to promote the construction of indoor digital rooms, promote the advancement of digital technology, expand the application of advanced technologies in the scene, and create a 5G-oriented digital room sub-network with excellent experience, easy operation and maintenance, easy expansion and easy evolution.

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