Embedded online and positioning applications, reducing power consumption by 60 times
News highlights:
• For the first time, Broadcom ’s product architecture supports the “geo-fencing†feature, which will not significantly consume battery life;
• This chip opens the door to new types of location services, such as social networks, mobile business services for specific locations, and advertising and marketing for local businesses
Beijing, February 26, 2013- Broadcom Corporation (Nasdaq: BRCM), a global leader in innovative solutions for wired and wireless communications semiconductors, announced the launch of the industry ’s first global navigation satellite system (GNSS) chip BCM47521 The architecture implements a "geographic fence" function while preserving battery life. "Geographic fence" technology is a breakthrough in the field of virtual peripherals. New products open the door for innovative resident procedures and positioning applications, such as social networks, mobile business services for specific locations, and advertising and marketing for local businesses. At the Barcelona Mobile World Congress held from February 25-28, Broadcom demonstrated GNSS innovations. For more information, please visit Broadcom @ Mobile World Congress.
In many innovative positioning applications, the area of ​​interest ("geo-fencing") technology is currently used. With the help of "geo-fencing" technology, a user can receive a notification when a user enters or exits a virtual peripheral device. However, this function cannot be implemented in the traditional architecture, because the application processor needs to continue to run, which quickly consumes the battery power of the device. Broadcom ’s new BCM47521 solves this problem. It can continuously monitor geofencing information while reducing battery power consumption by 60 times.
Scott Pomerantz, vice president and general manager of Broadcom ’s GPS division, said: “The surge in the number of mobile devices has created new opportunities for providing important positioning information. Broadcom ’s BCM47521 has a low-power geo-fencing model, which drives the next System power consumption innovation, original equipment manufacturers can add some functions on this basis, highlight the characteristics of their mobile products, and truly achieve permanent positioning applications. "
The BCM47521 chip also provides the industry with the most advanced multi-satellite system support function, which can collect data from four satellite systems (GPS, GLONASS, QZSS and SBAS) at the same time, and use the best signal received to achieve faster search and More precise navigation. The combination of Broadcom ’s multi-satellite system technology and advanced signal processing technology can achieve fast positioning functions and improve user experience, especially in the challenging urban jungle environment. The buildings and obstacles here will significantly affect the accuracy and the first positioning time.
Product features and advantages:
· Compared with the mainframe architecture, the system power efficiency is increased by 60 times:
o Use advanced host offload mode to monitor the geofence information in the background, and activate the application processor only when there is a trigger event;
o Adopting intelligent algorithm, it can adjust in real time when the user approaches the boundary of the geofence.
· Minimum board space and power consumption, lowest cost:
o The 40 nanometer (nm) BCM47521 has the same circuit board space, power consumption, and cost advantages as its BCM4752 predecessor.
· Based on the mature BCM4752 GNSS architecture platform:
o Industry-leading high-precision urban navigation, integrating mobile phone inertial sensor readings into position calculations;
o Provide the best-in-class auxiliary GNSS (AGNSS) support data to the world through the benchmark network hosted by Broadcom;
o Indoor positioning function utilizes Broadcom ’s device connectivity mechanism, which includes Wi-Fi, Bluetooth Low Energy (BLE), Near Field Communication (NFC), and mobile phone inertial sensor data.
Supply
BCM47521 is currently in production, and mobile phones equipped with BCM47521 chips will be shipped in the second quarter of 2013.
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