Bluetooth Low Energy (BLE) will shine in the IoT market. BLE has lower power consumption and cost advantages. Not only iOS, Android and Windows have been fully supported by iOS, Android and Windows, but also become the standard equipment for mobile devices. In the future, it is expected to expand into multiple applications such as wearable and smart home. To accelerate the formation of the Internet of Things.
In 2011, the Bluetooth Technology Alliance released a new standard, Bluetooth Low Energy (BLE), also known as Bluetooth Smart, a new wireless networking technology that targets medical, fitness, security and home entertainment applications. Compared to "typical" Bluetooth, BLE not only significantly reduces power consumption and cost, but also maintains similar transmission distances.
BLE was originally introduced by Nokia in 2006 under the name Wibree. When the Bluetooth Core Specification 4.0 was adopted in 2010, BLE was also incorporated into the main Bluetooth standard. Recently, more and more people in the industry have gradually changed their BLE to Bluetooth Smart, and created a new wireless connection solution to seamlessly connect a keyboard, mouse or remote control to a smart phone, tablet device, laptop or smart TV. To enable consumers to easily use the innovative features of smart networking devices and establish wireless links with watches, wristbands or smart tags to achieve self-monitoring of physical health and fitness, and to find lost keys, etc. Application, detonating a new wave of design opportunities.
Bluetooth Smart scrapes low-power networking design whirlwind
Bluetooth Smart is designed for multiple markets, including Human Interface Peripherals (HIDs), Wearable Electronics, Remote Controls, Proximity Sensors, Indoor NavigaTIon devices, and Smart TVs. Among them, HID solutions such as wireless keyboards and mice are quite in line with the current design trend of mobile networking devices, and are expected to help users get rid of annoying cables or universal serial bus (USB) transceivers. Microsoft also added HID-compliant Bluetooth Smart technology support in Windows 8, enabling mainstream Bluetooth desktop operating systems to provide Bluetooth Smart native support.
In addition to the Bluetooth Smart, there are other wireless technologies on the market that are similar in use, such as the proprietary ANT protocol, designed and sold by Dynastream InnovaTIons, a subsidiary of Global Positioning System (GPS) equipment manufacturer Garmin, a smart phone. Usually a transceiver (or USB Dongle) is required to use the ANT protocol. Although multimode communication chips in today's consumer electronics may support ANT, most mobile phone manufacturers are not inclined to adopt this technology.
In addition, the ultra-low power digital enhanced wireless telephone system (DECT ULE) is ideal for applications such as smart home networks that require more power and transmission distance; however, Bluetooth Smart is on all TV remotes, wireless mice, keyboards and In the Peer to Peer application, such as other accessories, the technology is superior, thanks to the high popularity of Bluetooth Smart technology in many consumer electronics products.
For technologies featuring ultra-low power consumption, it is necessary to further support energy harvesting (Energy HarvesTIng) devices that use solar energy to power systems, or even to supply rechargeable batteries. At this stage, Bluetooth technology can be implemented on solar keyboards. The energy harvesting function makes the equipment more energy efficient.
IHS, a market research and research organization, predicts that Bluetooth Smart technology will be rapidly popularized. The cumulative shipments of related chips will exceed 350 million by the end of 2016, which is expected to further promote the large-scale popularization of the “quantitative self†trend. Self-monitoring of the rise of health information campaigns, people will be able to automatically post their running distance or bike rides on social networking sites in the future.
According to ABI Research, the market for wearable fitness devices and medical sensors will reach 170 million units by 2017.
For a wearable device market with rising shipments, a recent survey by IHS shows that nearly 36% of respondents with sports and fitness smart phone applications say battery power is a problem, and Bluetooth Smart is supported. The low-power components mean that smartphones can use a variety of monitoring sensors (such as heart rate) for longer periods of time, which will reduce the adverse effects on battery life.
Soft and hard body matures Bluetooth Smart application
According to IMS Research, a market research organization, the Bluetooth distribution rate in smart phones is close to 100%, and the technology is also adopted by a large number of consumer electronic products. The new generation of Bluetooth Smart technology is expected to extend in the next 5 to 7 years. In the automotive field, these device nodes that receive and use smart device information are called Bluetooth Smart Ready, which collects data sent by Bluetooth low energy devices.
Bluetooth Smart design is maturing, and sports and fitness apps for wearable devices, smart phones and tablet devices are increasingly being used to “self-monitor†heart rate, blood pressure, blood sugar, calorie intake, weight and physique or sleep patterns, and walking , running and cycling. In addition, medical accessories enable people to effectively “self-manage†a variety of chronic diseases such as diabetes, high cholesterol, high blood pressure or chronic obstructive pulmonary disease (COPD).
Fitness accessories and smart glasses provide instant visual and audible feedback through a smartphone or tablet app. For example, a liquid crystal display (LCD) display screen is integrated into the glasses to display the average speed, heart rate, step frequency, calories burned, guidance suggestions, friends' positions on the slides or on the road, and other training materials. In turn, the exercise efficiency is maximized and the progress of the target is accurately tracked.
As for the proximity sensor and the indoor navigation tag design, a pair of pre-paired tags are included, and the consumer can find the other party by pressing a button, one of which is attached to the user's key, mobile phone or remote control. These tags can also be used in shopping malls or in airport convenience facilities to make it easier for consumers to find what they want through the app.
In addition, the smart TV remote control with built-in Bluetooth Smart will soon be available. Since the use of infrared remote control is not easy to control smart TV, Bluetooth Smart will provide consumers with a simple, low delay and two-way communication. The new Bluetooth Smart remote will be equipped with a touch panel or Qwerty keyboard, plus voice recognition. The goal is to enhance the user experience of the new personal computer (PC) / TV hybrid product. In the unused state, the Bluetooth Smart controller will save power by entering deep sleep mode and can wake up instantly within a few milliseconds.
Finally, in many cases, consumers can use Bluetooth Smart technology to publish any information on the Internet, and can also carry out smart phone application-compatible activities; obviously, this technology will greatly promote the development of the Internet of Things, and Achieving reliable and secure point-to-point connections and long battery life with ultra-low power consumption will become an important development direction for the wireless networking industry in the future.
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