Interconnection is the goal pursued by smart lighting, smart homes and smart cities. It must not only realize the interconnection between people and equipment, but also the interconnection between lighting equipment and lighting equipment, lighting equipment and other equipment, and communication technology. It is the bridge of the future of all things connected.
How to choose a company that enters smart lighting from traditional lighting in the face of a wide variety of communication technologies?
Wireless communication technology replaces wired communication technology and becomes the mainstream of application
At present, mainstream communication technologies in the field of smart lighting include wired communication technologies such as KNX, DALI, C-bus, and power carriers, and wireless communication technologies such as Wifi, ZigBee, Bluetooth, Z-wave, and Thread.
Wired communication technology is more reliable and safer than wireless communication technology, but the wiring is cumbersome and the construction is difficult. A small part of the module damage may affect the overall operation of the system, and the extended mobility is also poor.
Wireless communication technology has many advantages such as automatic networking, convenient connection, portable control, convenient operation and strong expandability. However, the current wireless communication technology has low maturity, poor stability, weak anti-interference ability, complex networking, and technology. Difficulties such as difficulty.
In large commercial building lighting, public building lighting, landscape lighting and decorative lighting with large application area and floor span, wired communication technologies such as KNX, DALI and C-bus with good stability, good security and strong anti-interference are still First choice, and in home lighting, WiFi, ZigBee, Bluetooth, Z-wave, Thread and other wireless communication technologies have long been the protagonist.
Smart lighting is still in its infancy and is moving towards growth. In the future, more and more enterprises will enter the smart lighting industry and the smart city industry. The capital and manpower invested by enterprises in the research and development of wireless communication technology will also become larger and larger, which will promote the further development of various wireless communication technologies. Communication technology will also replace wired communication technology on a large scale.
Long-term coexistence of multiple wireless communication technologies and standards
In the initial stage of the development of smart lighting, Zigbee, Bluetooth, Wifi, Z-wave, Insteon, EnOcean and many other wireless technologies have appeared on the market.
LEDinside believes that in the future, because the energy saving rate of smart lighting is higher than ordinary lighting, the cost is decreasing, and the awareness among consumers is increasing, the market size of its products will increase year by year. The current mainstream wireless communication technologies such as ZigBee, Bluetooth, Wifi, and Z-wave will rapidly develop due to the accumulation in the early stage. Among them, ZigBee will have a market share of 61% in 2019.
ZigBee has strong networking capabilities, has been promoted for more than ten years, and has support and promotion from major international companies such as Philips, Osram, GE, Cree, etc., with a first-mover advantage, so ZigBee not only has the largest market share, And it will increase steadily.
In the past two years, the performance of Bluetooth has been continuously upgraded. Bluetooth without a gateway and low-power, mesh network features will become ZigBee's strongest rival. The number of smart lighting products using Bluetooth is also increasing. Explosive growth is expected to become the second largest wireless communication technology after ZigBee.
In the early stage of the development of smart lighting, because of the high penetration rate and the advantages of no gateway, the market share will increase slightly, but its power consumption is high, the number of nodes is small, and it is more suitable for single products and a few lamps. The range of smart lighting products is weak in the later stages.
Z-wave's application in smart lighting is mainly focused on home lighting. The application range is narrower than ZigBee and Bluetooth, so the growth rate is relatively slow.
In intelligent lighting, the whole system is characterized by a large number of lamps connected to the terminal, but the amount of data generated between the devices is small, and small data is slowly accumulated over time. Therefore, the most basic requirement for smart communication for wireless communication technology is low cost. Low transfer rate, low power consumption.
The above-mentioned technologies are all current mainstream wireless communication technologies, each of which has many fans. The debate about which wireless communication technology will dominate in the future has been around for a long time, but in fact every wireless communication technology. There are different standards and agreements, each with its own advantages and disadvantages.
Due to the diversity of terminal applications and the different requirements for wireless communication technologies, each technology in the future will have its own advantages in different application areas.
Analysis of Network Topology Forms of Mainstream Wireless Communication Technology
Various communication technologies adopt different network topology forms, and the network topology plays a decisive role for network management, data transmission between nodes, and network security.
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