Which engineering lighting companies can quickly and powerfully seize the landscape lighting market?

Release date: 2018-03-08 Source: Aladdin Lighting Network Share:

With the LED professional development increasingly sophisticated, the general lighting profit margins continue to be tightened, and now most lighting companies rely mainly on planning to win.

Obviously, simply planning is not enough to support the brilliant achievements of listed companies, so the segmented shopping malls with great potential and high profitability have become the focus of many large companies. Under this scene, the specular lighting that the mall continues to burst out has set off a layout boom in the industry.

The new shopping malls in the lighting market are incalculable.

On the one hand, it benefits from the national infrastructure investment and civilized travel policy, including the country's efforts to promote the construction of “characteristic towns” and PPP methods, and the need for lighting projects related to urban development is added;

On the other hand, a large number of large-scale urban scene lighting demonstration projects have emerged throughout the country. The local government's demand for night-time economic construction has risen sharply, and the urban landscape lighting profession has ushered in unprecedented opportunities.

What is more worth mentioning is that the construction of the smart city has promoted the optimization of the lighting system.

During the "Thirteenth Five-Year Plan" period, China's talented cities can build 4 million yuan of shopping malls. The relevant guidelines propose that the general equipment such as lighting products should be the main point, vigorously promote the upgrading of energy-saving equipment; implement energy-saving renovation of lighting systems, and encourage energy-saving for advanced lighting. The integration and optimization of technology will strengthen the construction of the power management center. At the same time, the energy-saving and environmental protection industry has further promoted a new round of urban lighting energy-saving renovation.

Because the scene lighting can form a unique feature and style of the city and is highly valued by local governments, it has brought more shopping opportunities for LED lighting companies. So which engineering lighting companies can quickly and powerfully seize the scene lighting mall?

At the top of the list, with strong financial strength.

This is why listed companies can quickly acquire local high-quality lighting engineering companies and arrange national shopping malls. In addition to mergers and acquisitions, funds are still a strong guarantee for lighting engineering companies to receive more orders.

First of all, some large-scale lighting projects take a long time, ranging from several months to several years. The demand for lighting enterprises continues to invest high costs, and the project benefits are difficult to complete in a short time. Secondly, many lighting projects The project requires enterprises to invest huge amounts of engineering funds in advance, and even the engineering funds are returned. There are certain difficulties, which will increasingly test the financial strength of lighting engineering companies.

Second, it has excellent lighting engineering qualifications.

Scene lighting projects are generally led by the government and implemented through tendering. More qualified lighting engineering companies mean more advantages in bidding.

Third, have professional lighting planning capabilities.

In the foreground, the illumination only stays in the lighting stage, and will now proceed in the direction of “light art civilization”.

Because each scene lighting project has its common historical civilization, lighting engineering enterprises need to deeply understand the local historical civilization when they carry out the lighting project, and integrate the planning ideas to create a common city light.

This requires enterprises to transform from lighting providers to lighting operators, adding lighting planning talents and professional art lighting service teams with rich experience.

In short, according to the commonality of landscape lighting and the trend of increasingly artistic development, lighting engineering enterprises should better differentiate the lighting market, and increase their own inductive strength.

Lighting companies must have strong funds to back up, ensure the smooth operation of the lighting project, and upgrade their engineering qualifications to create a strong planning team to improve the winning rate of the lighting project.

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3G 4G LTE 5G Antenna

• The Description of 3G 4G LTE/5G Antenna
• 2G base station: GSM: 900/1800MHz; CDMA: 800 MHZ;
  
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  4G base station: TDD-LTE: 2320-2370,2570-2620MHz;
• This paper discusses the key technologies in 3G/4G/5G (third generation/fourth generation/fifth generation) communication systems, and then discusses the differences in the antenna technologies adopted by them. After reading and studying a large number of papers on the key technologies of 3G/4G/5G communication system, here I make some analysis and summary of my own. With the rapid development of science and technology, mobile communication technology has undergone profound changes, from 1G to 2G, to 3G, and then to 4G and 5G. On December 4, 2013, the fourth generation of mobile communication 4G technology was officially operated in the Chinese market, which means that China's mobile communication industry has entered the 4G era. At this time, research institutes in various countries and world-renowned enterprises engaged in communication technology research have entered the research and development of the new generation of mobile communications, namely 5G (fifth generation mobile communication system). No matter which generation of communication system, the research technology is to analyze the characteristics of wireless communication channel to overcome the noise interference. A lot of researchers are now looking at Massive MIMO technology. How is it different from the antenna technology used in 3G/4G communication systems? Will it become the core technology of the next generation of wireless communications? 1 Key technologies of 3G/4G/5G Communication System 1.1 Key technologies of 3G Communication System Since the early 1990s, the mobile communication industry began to actively study the standards and technologies of the third generation of mobile communication. In January 2009, China's Ministry of Industry and Information Technology issued 3G licenses to China Mobile, China Telecom and China Unicom, indicating that China entered the ERA of 3G mobile communications. The third generation mobile communication system mainly includes WCDMA, CD-MA2000 and TD-SCDMA. Its key technologies include: A. Rake receiving technology; B. Channel coding and decoding technology; C. Power control technology; D. Multi-user detection technology; E. Smart antenna; F. Software radio. 1.2 Key technologies of 4G Communication System In December 2013, China officially entered the era of 4G (fourth generation mobile communication system) communication network. In 4G mobile communication system, OFDM(Orthogonal frequency Division multiplexing) technology is adopted. OFDM technology is due to its spectrum utilization
  3G antenna _5G antenna _14 years antenna manufacturer _ Feiyuxin
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  It is widely regarded as high rate of 2 and good anti-multipath fading performance. In the future, RESEARCH related to OFDM technology will also be carried out in 5G communication networks. The main key technologies of 4G communication system include: a. OFDM technology; B. MIMO technology; C. Multi-user detection technology; D. Software radio; E. Smart antenna technology; F. IPv6 technology. China's Ministry of Industry and Information Technology has just issued 4G licenses to the three major operators, and they are still deploying their networks on a large scale with a small number of users. At this time, China Mobile said it will start the RESEARCH and development of 5G communication system. Analysts pointed out that the three major operators are participating in THE RESEARCH and development of 5G, one is to keep up with the changes of The Times, and the other is that the demand is faster than the technology development. Li Zhengmao, vice-president of China Mobile, said at the 2014 MWC in Barcelona: "China Mobile will fully support the development of 5G projects, hoping to lead the industry in THE development of 5G technology and the setting of technical standards." With the deepening of mobile communication technology research, the key support technologies of 5G will be gradually defined and enter the substantive standardization research and formulation stage in the next few years. The jury is still out on what core technologies will be used in the future. However, I have compiled a list of nine key technologies that have been the focus of discussion in various high-end mobile forums. A. Large-scale MIMO technology; B. Filter bank based multi-carrier technology; C. Full duplex technology; D. Ultra-dense heterogeneous network technology; E. Self-organizing network technology; F. Use of high frequency band; G. Software-defined wireless networks; H. Wireless access technology: (1) BDMA (Beam Split multiple Access technology)
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  3 (2) NOMA (Non-orthogonal multiple Access technology) i. D2D (device-to-device) communication. Figure 1 is the layout of Massive MIMO antennas in 5G communication networks. I am studying Massive MIMO technology in my lab. Figure 1 shows users communicating with each other centered on a large-scale antenna. The performance of wireless communication systems is mainly restricted by mobile wireless channels. Wireless channel is very complex, and its modeling has always been a difficult point in system design. Generally, statistics are made according to the measured values of communication systems in specific frequency bands. Wireless fading channel is divided into large scale fading channel model and small scale fading channel model. The so-called large-scale fading model describes the field intensity variation over a long distance (hundreds or thousands of meters) between the transmitter and receiver, and reflects the rule that the received signal power changes with the distance caused by path loss and shadow effect. A small scale fading model describes the rapid fluctuations of the received field intensity over a short distance or time. The large scale fading channel model is caused by the influence of the surface contour (such as mountains, forests, buildings, etc.) between the receiver and the source. The small-scale fading channel model is caused by the multipath effect and doppler effect. If there are a large number of reflected paths but no LOS (direct signal) signal component, the small-scale fading is called Rayleigh fading, and the envelope of the received signal is described statistically by the Rayleigh probability density function. If LOS is present, the envelope is subject to Rician distribution. Multipath effect phenomena cause flat fading and frequency selective fading.
  
  

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