Bluetooth 5, which emerged at the beginning of this year, was finally finalized under the efforts of the Bluetooth Technology Alliance, and officially announced that Bluetooth 5 will become the next-generation Bluetooth communication technology standard.
According to the information published in June, Bluetooth 5 will have 4 times the communication range and 2 times the transmission speed in the existing power saving mode, enabling the Internet of Things, wearable devices and smart watches to be able to Have a more stable, long-lasting, fast and wide range of communication and connection functions.
Overall, Bluetooth 5 will bring more benefits to the IoT IoT industry. In addition to the range and speed, Bluetooth 5 can effectively avoid interference with Wi-Fi signals and channels, providing better connection quality. And data transfer effects. At the same time, Bluetooth 5 also provides 8 times the amount of data capacity, such a specification upgrade will enable Wireless Beacon to provide more detailed and diverse information, for example, when you walk into a supermarket, through Wireless The cooperation between Beacon and Bluetooth 5 will instantly inform you that the bread and toilet paper in your home is running out.
In terms of product applications, the Bluetooth Technology Alliance (SIG) said that after the release of Bluetooth 5, it takes 2 to 6 months at the earliest, and there will be a built-in Bluetooth 5 product on the market, but now use Bluetooth 4.0. Don't worry, because Bluetooth 5 will also be backward compatible so that other old Bluetooth specifications can be connected.
In the future, the Bluetooth Technology Alliance also plans to have Bluetooth 5 have more network communication related functions in subsequent updates, such as speeding up the original network speed through Bluetooth connection.
Knock on the blackboard, these are the key points
1. Faster transfer speed
In 2014, Bluetooth 4.2 increased the transmission speed by 2.5 times, and now Bluetooth 5 can achieve 2 times faster than Bluetooth 4.2. Go to 24Mbps
2. Wider transmission range
The coverage of the Bluetooth 5 standard will be four times that of Bluetooth 4.2. That is 300 meters.
3. Improve indoor positioning accuracy function
Bluetooth has been used for indoor positioning for a while, but it has not received much attention in the past, until Apple's proposed iBeacon technology has regained attention. The third important feature of Bluetooth 5.0 is that it can improve the accuracy of indoor positioning. Combined with Wi-Fi technology, it can achieve positioning with accuracy less than 1 meter.
4. This is a standard for IoT
Because IoT devices don't provide much power, Bluetooth 5 provides better performance and lower power requirements for IoT IoT device applications.
5. Want to use the new features of Bluetooth 5.0? You may need to buy a new device
Unlike the previous ".X" version of the upgrade, this upgrade requires a new chip. Therefore, the past Bluetooth upgrade can only be processed by firmware update, but this time the old mobile phone can still connect with the Bluetooth 5 device, but the new function cannot be used.
Become a new force in the Internet of Things
The Bluetooth 5 specification is aimed primarily at IoT applications, and three of the major enhancements are only available for low-power transmissions, not for traditional Bluetooth transmissions.
Multiplication of the transmission rate doubles the number of devices that can be connected in the network, and reduces power consumption, helping Bluetooth applications in the Internet of Things and smart homes. Especially in the upcoming Mesh Network, the increase in transmission rate becomes very important if many devices are to be connected.
The increase in transmission rate also lays the foundation for voice and audio through low-power Bluetooth streaming, which can be used for headphones, hearing aids and audible ear-worn wearables.
Increasing the transmission distance breaks through the limitations of Bluetooth in the past because the transmission distance is too short and the application range is limited. In the past, the effective transmission range of Bluetooth was limited to one room, which is not a problem for Bluetooth applications combined with smart phones. However, for the Internet of Things and smart homes, longer transmission distances are required. Bluetooth 5 increases the transmission distance by 4 times, which can break through the original limit.
Bluetooth 5 increases the amount of broadcast data by a factor of eight, primarily to achieve the need for ConnecTIonless communications, designed for IoT and proximity applications. High broadcast data volumes are enhanced for two applications, Beacon applications and GPS (Global PosiTIon System) applications.
Beacon technology broadcasts and captures information to mobile communication devices within communication coverage via Bluetooth. Increasing the amount of Bluetooth broadcast data can enhance Beacon's functions. The high amount of broadcast data can enhance the functionality of Google's Eddystone Beacon. The Eddystone Beacon is characterized by the ability to send webpage URLs, which gives more detailed information about Beacon's location. Eddystone's current URL is limited to 17 characters, so the URL abbreviation service must be used. Bluetooth 5 increases the amount of broadcast data, and Eddystone's URL characters can be expanded without using the abbreviation service.
Nowadays, more and more GPS devices transmit information about coordinate coordinates to nearby related devices through Bluetooth communication. The amount of broadcast data is large, which is of great help to GPS applications.
Unlike the first two Bluetooth specification versions (versions 4.1 and 4.2), the specifications of the Bluetooth 5 have been greatly modified, so the previous semiconductor components cannot be used and new components must be used. It is expected that semiconductor chips supporting the new Bluetooth 5 specifications will be available by the end of 2016.
The advent of Bluetooth 5 will enable Bluetooth technology to play an important role in the Internet of Things and smart homes. Zigbee and low-power Wi-Fi technology are competitors in the IoT market. Bluetooth 5 can improve these two technologies. Standard competitiveness.
According to Patrick Connolly, principal analyst at ABI Research, the Bluetooth-based Beacon shipments are expected to exceed 371 million by 2020. After eight times more broadcast message load, Bluetooth 5 will further drive Beacon and location services in the automated home, commercial and industrial markets. In situations where extreme environmental sensing capabilities (such as navigation and positioning) are relied upon, Bluetooth 5 will be free from connection and application limitations, providing custom information that is most helpful to people today. For example: a relaxed airport navigation experience, tracking of warehouse stock assets, emergency assistance, and even a smart city infrastructure built to assist in amblyopia or blind action.
Powell also said: "Today, 8.2 billion Bluetooth products are being used worldwide, and the enhanced features of Bluetooth 5 and the advanced Bluetooth technology of the future plan mean that by 2020, more than one-third of the installed Internet of Things Bluetooth will be available on all devices. Bluetooth advancements and innovations will ensure that Bluetooth technology continues to be the preferred solution for all developers' IoT."
The Bluetooth Technology Alliance welcomes the 30,000th corporate member, proving that more and more companies believe that Bluetooth technology and Bluetooth technology alliance can help them develop IoT products and services, provide the best consumer experience, and accelerate products and services. The speed and success rate of the listing. Since the end of 2015, our membership has grown by more than 11% and reached a record high after the Blossom Group became the 30,000th member. Blossom Group is a startup company specializing in the development of ultra-low frequency (infrasound) and low frequency noise suppression products. It has once again proved that both upstream and downstream manufacturers, both large and small, have joined the Bluetooth technology alliance because we have been working closely with members to enhance Bluetooth technology. To make the world smarter, safer, better, and happier.
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