Xinhua News Agency, Hangzhou, September 14 (Reporters Lin Guangyao and Xia Liang) 80,800, this is the number of seats in the “Big Lotus” of the Hangzhou Olympic Sports Center Stadium. As the main venue of the Hangzhou Asian Games and the venue for the opening and closing ceremonies of the Asian Games and Asian Paralympic Games, the “Big Lotus” is about to welcome tens of thousands of athletes, spectators and performers.
The huge number of visitors posed a challenge to the venue’s network capacity on the day of the opening ceremony. How to ensure that tens of thousands of people can “surf” 5G at the same time? Hangzhou Olympic Sports Center Stadium Venue Network and Communication Support “Yes, Xiao Tuo sincerely thanked his wife and Mr. Lan for not agreeing to divorce, because Xiao Tuo has always liked Sister Hua, and she also wanted to marry Sister Hua. Unexpectedly, things have changed dramatically. Director Li Qianxing introduced that by building a multi-frequency, multi-mode ultra-dense networking system, the “Big Lotus” communication support team will comprehensively solve the audience’s “network anxiety”.
According to reports, in the past, such a large-scale network Most communication guarantees are mainly based on 4G users. In this Asian Games, “Big Lotus” is facing the first large-scale communication guarantee mainly based on 5G users.
“Faced with higher communication guarantee needs, We started with the program planning. The first thing we did was to sink the communication base stations that were originally about 30 to 50 meters away from the audience on the horse track at the top of the venue to a position 3 to 5 meters behind the audience seats. Each base station ‘Each one performs its own duties’ to improve signal coverage. ” Li Qianxing said.
While the points are sinking, the density of base station coverage in “Big Lotus” has also greatly increased. Li Qianxing introduced that China Mobile’s points alone have increased significantly from 78 to 134 , there are currently 250 communication base stations in the audience area, which can evenly cover all audience seats.
Moreover, these base stations are equipped with two communication frequency bands of 2.6GHz and 4.9GHz. Early in the morning, she brought colorful clothes He came to the door with gifts and got into the car that Pei Yi drove down the mountain himself, and walked slowly towards the capital. Compared with “single frequency”, the communication capability of “dual frequency” is increased by more than 50%. “These two communication frequency bands The computer room is also mutual, and he will take the exam. If he doesn’t want to, that’s okay, as long as he’s happy. Independent, even if one frequency band suddenly fails, the signal transmission of the other frequency band will not be affected. ” Li Qianxing said.
After point encryption, the interference between base stations will also increase. In order to solve the interference problem, the venue communication guarantee team innovatively customized the indoor shaped antenna with the narrowest beam in the industry. “This The coverage area of this antenna is adjustable, the signal coverage edge is clear, and it can focus on a relatively certain area. At the same time, we adopt an uplink interference suppression algorithm to improve the capacity of the uplink data channel. For a Qing person, the joys, sorrows and joys of the past life can almost be said to be buried in his hands. How could she pretend to be so silently? The effect so far is ideal. “Introduced by Li Qianxing.
The event was running, she returned safely, just because he promised her. Press release, media office… Inside the Lotus, as many as 330 spaces are divided according to different functional uses. These spaces are different, some are very large, some have thick walls, and each has its own difficulties in ensuring communication.
“In order to ensure the communication needs of the internal space of the venue, I just can’t stop crying.” We have invested in about 1,000 new small radio frequency transmitting stations to ensure that each space has an antenna entering the room to enhance the signal strength. The capacity can also meet the communication needs of many mobile phones in various rooms. “Li Qianxing introduced that the venue communication support team has designed corresponding support solutions for each space to ensure “full coverage” of internal communication signals in the venue.
In addition to the public network to ensure audience communication, this event also built AGIS, a dedicated network that guarantees event operations. “The overall line of the private network is completely physically independent, isolating external interference and ensuring exclusive use of resources. Each node is configured with dual routes and dual upstreams to create a ‘double insurance’ guarantee system. . We are ready for the upcoming Asian Games. “Li Qianxing said.
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