RF front-end module The core of wireless transmission
The Internet of Everything has become the development direction of today's society. Wireless network technology has spread throughout our work and life, and has changed our lifestyle. Wider transmission range and higher flexibility make wireless network technology one of the transmission technologies with a wider range of application scenarios. Whether it is wireless transmission technology such as WiFi or 5G, one of the core parts of its function is a chip called "RF front-end". With the rapid development of mobile phones in recent years, radio frequency front-end chip related technologies are very active in innovation and iteration, and have also become an area of great concern to the market and capital.
RF front-end serves a variety of terminal categories
What is a RF front-end?
The so-called radio frequency front-end module is actually a set of radio frequency components used on terminal equipment to affect and manage all signals sent and received wirelessly. It acts between the Wi-Fi baseband chip and the terminal antenna, through amplification and adaptation signal to achieve optimal wireless transmission functionality.
takes the new RF front-end module recently released by Qualcomm specifically designed for Wi-Fi 7 and Wi-Fi 6E as an example. Based on the original support for 5G, it strengthens the wireless transmission of current smartphone products. Technical performance, thereby providing better wireless transmission signals, while also providing better support for a wider range of terminal categories including automobiles, extended reality (XR), PCs, wearable devices, mobile broadband and the Internet of Things, and will be overall Improve the Wi-Fi and Bluetooth experience for users in multiple fields and devices.
Not only WiFi 7 but also better 5G
According to the latest IEEE 802.11 be standard released by the Institute of Electrical and Electronics Engineers for Wi-Fi 7, Wi-Fi 7 is for Another upgrade to Wi-Fi 6 and Wi-Fi6E. Its theoretical maximum transmission data volume can reach 46Gbps, but the current Wi-Fi 6 is only 9.6Gbps, which shows that the improvement is considerable.
At the same time, support for the 6GHz frequency band (actually 5.925-7.125GHz) also provides Wi-Fi 7 with a wider transmission space, including 160MHz, continuous 240MHz, non-continuous 160+80MHz, continuous 320 MHz and non-continuous 160MHz Bandwidth support for multiple modes such as +160MHz has greatly improved Wi-Fi 7’s transmission capabilities and anti-interference performance.
Therefore, WiFi 7 is expected to play a greater role in the future, which is very exciting. WiFi 7 technology is coming soon, let’s wait and see.
Qualcomm wireless transmission technology is second to none in the industry
Nowadays, with the popularity of 5G, terminal equipment supporting 5G frequency band on the market has become the first choice for users, especially on mobile phone terminals, the requirements for 5G and wireless networks are getting higher and higher. For example, the "network stability" emphasized by many mobile phone manufacturers has strict requirements on seamless switching between wireless connections and cellular networks. A large part of the technical support is provided by the RF front-end module, which also has a great impact on the RF front-end. Technology has higher requirements.
The new Wi-Fi radio frequency front-end module launched by Qualcomm integrates the key components required between the Wi-Fi baseband chip and the antenna. Terminal manufacturers can use this module to quickly and economically develop client devices. Wi-Fi function application on. Especially when 5G and Wi-Fi are used at the same time, the support of Qualcomm ultraBAW filter is introduced, so that 5G and Wi-Fi signals can achieve real-time concurrency, while enhancing the signal strength of the cellular network and wireless connection, it also ensures the network Switching stability.
Not only mobile phones, but also serving more fields
Although the Wi-Fi radio frequency front-end launched by Qualcomm this time can be applied not only to mobile terminals such as mobile phones, but also to a wider range of terminal devices. Fields including telemedicine, smart home, and industrial Internet all require the introduction of Wi-Fi 7, and the support of a new generation of Wi-Fi radio frequency front-end modules is also essential.
As a brand-new terminal, smart cars also widely use radio frequency front-ends
. For example, in the field of smart cars, intelligence is an inevitable trend in the future development of the automotive industry. It will inevitably promote the continuous progress of autonomous driving technology, including the collaboration of multiple sensors on the vehicle and automatic parking. The transmission of basic information such as vehicle, collision avoidance during driving, and path planning all needs to be carried out through Wi-Fi or 5G technology. The throughput and downlink and uplink multiple-input multiple-output technologies of the new wireless network, with high throughput and efficient network as the core, can meet the iterative needs of more automakers for autonomous driving. By then, services including software updates, vehicle diagnostic data upload, data download, and automatic registration in key areas will have a better user experience.
In addition, including the wearable devices such as smart bracelets and smart watches that we commonly use today, if equipped with this set of Qualcomm's newly launched Wi-Fi 7 radio frequency front-end module, it can also achieve more practical functions, including Brand-new functions will be given in areas such as medical health, fitness and beauty, navigation, and data transmission. By connecting medical institutions and personal devices through an efficient network, the wearer's vital signs can be monitored in real time. In particular, critically ill patients are no longer restricted by venue and distance, and can receive early warning reports at any time, giving them one more chance to live.
Radio frequency front-end is widely used.
also belongs to the field of wearable device VR/AR. Today, with the concept of metaverse becoming popular, one of the most difficult technologies to overcome is transmission. Meta predicts that the number of Metaverse users will reach 1 billion within 10 years. It is conceivable that compared with the throughput of data transmission of traditional PCs, VR/AR devices will double the order of magnitude. The introduction of Wi-Fi 7 radio frequency front-end modules and 5G technology can better provide high-speed and stable network support, including massive data, 8K video, and real-time transmission time, allowing more people to enter the next generation as soon as possible. Terminal experience.
Not only RF front-end modules but also more Wi-Fi 7 technologies
Qualcomm has launched a series of solutions for Wi-Fi 7
As a technology-centered R&D company, Qualcomm has been providing the most cutting-edge applications to the industry technology. The FastConnect 7800 Wi-Fi 7/Bluetooth wireless connection system launched by Qualcomm in February this year is the industry's most advanced mobile Wi-Fi and Bluetooth connection system, with a peak transmission speed of up to 5.8Gbps and a latency of less than 2ms. In May, Qualcomm released the third-generation Qualcomm Professional Networking Platform (Networking Pro) series, the world's most scalable commercial Wi-Fi 7 professional network solution. The system's maximum physical layer (PHY) rate is as high as 33Gbps (33,000 Gigabit). , the wireless physical layer rate of a single channel has also been increased to 11.5Gbps (11.5G), and the user capacity of a single channel exceeds 500. The third-generation Qualcomm professional networking platform includes four product combinations: Qualcomm 1620 professional networking platform, Qualcomm 1220 professional networking platform, Qualcomm 820 professional networking platform, and Qualcomm 620 professional networking platform. It is reported that the above Wi-Fi 7 related products have begun to be shipped to manufacturers. The home router H3C Magic BE18000 just released by new H3C is equipped with Qualcomm Wi-Fi 7 solution. This product supports a maximum bandwidth of 320MHz, with a maximum bandwidth of 320MHz. The wireless speed can reach 18000M, supports the 6GHz frequency band, and is equipped with dual 10G network ports. Subsequent new products from other brands are expected to be launched before the end of the year and will be shipped in large quantities in 2023. Wi-Fi 7 is really getting closer to us.
It can be said that Qualcomm has given high support and attention to the research and development and promotion of RF front-end chip technology. The launch of the new Wi-Fi 7 RF front-end module is also an important step for Qualcomm in laying out "Internet of Everything" related technologies. of a link. Qualcomm is relying on its leadership in the field of smartphone modems and radio frequencies to gradually expand its technology portfolio from modems to antennas, radio frequency front-ends and other fields to more fields. It is believed that more industries and users will experience Qualcomm technologies in the future the convenience brought about.
