fibconet’s new digital room splitter meets various needs of indoor network 5G evolution Minisplitter

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Facing the evolution of 5G, the new digital indoor distribution system can meet the needs of: business growth, capacity expansion, seamless coverage, visual operation and maintenance, value-added services, 5G evolution, investment protection and other needs. minisplitter minisplitter minisplitter
1. The traditional room division suppresses traffic, and the digital room division releases and meets the needs of business growth. The traditional room division network function mainly solves the problem of network signal coverage, and is insufficient in system capacity. Taking the widely deployed traditional indoor distribution network as an example, more than 90% of the traditional indoor distribution network is still a SISO system, which makes it difficult for the traditional indoor distribution network to meet the rapidly increasing data traffic demand with a CAGR of nearly 50%, especially in indoor scenarios. Mobile broadband data traffic is widely suppressed. The new digital indoor distribution network can flexibly and dynamically adjust network capacity by supporting MIMO and cell splitting through digital network cables or optical fibers in transmission, and flexibly adapt network resources according to the traffic usage needs of users around the network, completely releasing traffic requirements and meeting business needs . According to statistics, the currently deployed LTE new digital indoor distribution network has 4-10 times the traffic per unit area and 5-8 times the DOU of the traditional DAS indoor distribution network. minisplitter minisplitter minisplitter
2. The capacity of traditional room distribution is limited, and digital room distribution is easy to evolve into MIMO multi-channel. Traditional room distribution networks transmit analog RF signals through RF feeders. Each antenna needs a separate RF signal transmission feeder link. Therefore, MIMO multi-antenna technology is supported. must deploy multiple RF feeder links for parallel transmission. Such limitations lead to the necessity of deploying and adding new RF feeder links when performing MIMO multi-antenna expansion in traditional indoor distribution networks, resulting in a linear increase in engineering construction and deployment costs. At the same time, facing the evolution of 5G, the traditional time division system RF feeder The loss of high-frequency signals is greatly increased (for example, the transmission loss of a 3.5GHz wireless signal through a 7/8″ RF feeder reaches 8dB/100m, and the transmission loss of a 1/2″ RF feeder reaches 15dB/100m). Subsystem coverage radius and network performance are greatly reduced. To sum up, the traditional indoor distribution network is difficult to expand and the capacity is limited. The digital room uses network cable or optical fiber to transmit all digital signals, which is insensitive to high-frequency digital signals and has no attenuation. It can complete MIMO expansion on the original transmission cable, which is easy for MIMO multi-channel evolution. The advantage of the digital room distribution network’s unmodified support for MIMO makes its capacity expansion flexible and convenient, and the cost of network capacity upgrade is low. minisplitter minisplitter minisplitter
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