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Octasic has announced its first software defined radio (SDR) platform for GSM, EDGE and EDGE Evolution base transceiver station (BTS) applications.

Vocallo BTS is the first product of Octasic’s recently announced wireless programme that uses its digital signal processing (DSP) technology.

True SDR capability plays a central role in the future of mobile communications systems.

It enables system implementers to dynamically reconfigure and upgrade wireless systems purely on a software basis.

This has endless benefits, including cost of ownership, ability to respond quickly to changing market dynamics, such as the introduction of EDGE Evolution, lower development costs, and a time-to-market advantage.

‘Vocallo BTS, with its multi-core clockless DSP architecture, enables system implementers to create a range of next-generation, multi-standard wireless solutions based on a true SDR implementation,’ said Emmanuel Gresset, vice-president of software defined radio at Octasic.

The Vocallo BTS digital signal processor (DSP) integrates a complete Layer 1 baseband for up to 12 GSM carriers or six EDGE carriers, or any combination.

All this is achieved in a 15mm x 15mm BGA consuming less than 1W (or 80mW per carrier).

The Vocallo BTS power density figure is a direct result of Opus, Octasic’s asynchronous DSP core technology.

Elimination of the clock tree also brings benefits in chip size, allowing Vocallo BTS to be priced on a per carrier basis.

The product is fully supported by Opus Studio, the company’s graphical integrated development environment (IDE), which provides the product with a full suite of Layer 1 GSM, GPRS and EDGE modules.

These modules are available as a 3GPP compliant, source code reference library.

Demonstrating both the efficiency of the toolset and the control capability of the DSP, reduced Layer 2 and Layer 3 code also runs on Vocallo BTS.

The Vocallo BTS enhances Octasic’s Vocallo product line – which currently addresses voice and video applications.

Future Opus-based SDR products will target 3G and 4G multi-standard femto, pico and macro wireless base stations.

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