| Multi-processor chipset targets multimedia wireless phones |
Feb. 16, 2004
Agere Systems unveiled a new mobile handset chipset meant to enable phone manufacturers to address the growing demand for wireless phones with multimedia functions like real-time audio and video streaming, digital photo imaging, and interactive gaming. The company says its new "Vision" mobile handset architecture combines an advanced digital baseband chipset, proven software, and state-of-the-art tools, and provides a low-power, highly integrated framework for a broad range of multimedia mobile devices implementing communcation standards such as 2.5G/GPRS, EDGE, 3G/WCDMA, and beyond.
Multi-processor core
Agere says its Vision architecture is based on a power-efficient, multi-processor core, which is the first in the industry to provide a protected protocol stack running from the same external memory as applications. Additionally, Agere claims that handsets based on its Vision architecture will be capable of providing 50 percent longer battery life than comparable single processor multimedia solutions and high-quality video streaming at rates of up to 30 frames per second Video Graphics Array (VGA).
Agere says the Vision architecture's exceptional performance comes from the chipset's three processing domains: a communications processor, an applications processor, and a signal processor. This segmentation allows each processor to be fully dedicated to its particular function and eliminates complications such as increased integration and debug times that often occur with solutions that offer combined communications and applications processing. It also removes the interdependencies that result when domains share processing and memory space.
The de-coupled applications and communications structure also offers critical advantages during the development phase when designers may need to revamp and enhance existing models to meet specific market demands. Multiple processors allow them to adapt each domain individually without radically interfering with the design of the others. Agere says the multiple processor structure uses patented techniques to ensure secure communication and low power execution in a multi-core architecture working from a single external memory system.
For added security, the architecture includes One-Time Programmable (OTP) memory, which assigns an individual serial number within the chip set uniquely identifying a GSM-based phone and protecting against fraudulent cloning of the handset.
In addition, the architecture enables the integration of a broad range of enhancements including cameras, high-resolution displays, USB2.0(OTG) as well as support for such short-range wireless technologies as Bluetooth and Wi-Fi, Agere says.
Software tools and protocol stack
Agere supports the Vision architecture with a protocol stack that supports multiple handset segments and evolving mobile standards, and that targets the SymbianOS, Windows Mobile, PalmOS, and Linux embedded operating systems. The stack includes support for Field Type Approval (FTA), Global Certification Forum (GCF) testing and PCS Type Certification Review Board (PTCRB), and for field and interoperability testing.
Availability
Agere expects to deliver silicon and software samples based on the Vision architecture to select customers in the third calendar quarter of 2004.
(Click here for further information)
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