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Green Hills Platform for Software Defined Radio (SDR)

Platform Overview

Software Defined Radio (SDR) technology was created to improve interoperability between different wireless networks, field radios, and devices. SDR technology is comprised of both software and hardware that can be dynamically reconfigured to enable communication between a wide variety of changing communications standards, protocols, and radio links. With this latest SDR technology, you can create multi-mode, multi-band, and multi-functional wireless devices and network equipment that can be dynamically reconfigured, enhanced, and upgraded through software updates and hardware reconfiguration.

The Green Hills Platform for Software Defined Radio delivers a complete, standards-based reference platform for developing and deploying SDR systems ranging from the armed forces Joint Tactical Radio Systems (JTRS) to public safety radios as well as commercial small form-factor reconfigurable radios.

Driving forces

In the aftermath of 9/11, the New York City police and fire departments desperately needed to communicate with one another, but the radios that different departments carried could not interoperate. Ensuing reports that highlighted this issue triggered a drive within civil government and homeland defense to upgrade technology and eliminate this problem.

Prior to 9/11, the US military had recognized a similar problem with legacy radio systems used by different armed services branches and started JTRS. JTRS has been a major force behind SDR and is responsible for the creation of the Software Communication Architecture (SCA) Operating Environment (OE) standard.

On the commercial side, wireless providers are attracted to SDR technology because it enables remote upgrading and reconfiguration of handset and base station software with new features and patches, as well as potential interoperability across multiple networks. SDR provides a solution for a broad range of communications and devices used in:

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