InterDigital Introduces FDD 3G Software Product

date: February 22, 2002

InterDigital Communications Corporation, a leading architect, designer and provider of wireless technology and product platforms, today introduced its Frequency Division Duplex (FDD) technology software product for 3G mobile devices.

The new FDD Layer 2/3 software protocol stack is portable to multiple physical layer (Layer 1) implementations and can act as the communications engine for a wide range of 3G mobile devices. It integrates seamlessly with existing GSM/GPRS software and hardware, thus enabling the development and deployment of multi-mode 3G handsets while providing a stable migration path from the customer's existing GSM platform to 3G.

The FDD software product has been designed to reduce handset power consumption and memory utilization, two key 3G market requirements for handsets.

Leveraging InterDigital's significant experience partnering with industry leaders, the Company is employing a multiple-stage product development process that facilitates technology transfer to customers early in their design process. As a result, InterDigital's customers will be able to reduce overall product development cycle time and cost. Mark Lemmo, Executive Vice President, Product Management, stated, "InterDigital's FDD software product will provide the highest level of stability and performance possible while simultaneously allowing for rapid technology transfer and ease of customization.

"We are designing our FDD software product to be integrated with our Time Division Duplex (TDD) technology platform to ensure seamless operation in 3G products. InterDigital is uniquely positioned to bring these complementary technologies, integrated with GSM/GPRS, together in one product, offering equipment producers a full WCDMA solution," concluded Mr. Lemmo.

This complete UMTS FDD software protocol stack can run on any real time operating system and hardware platform, including existing FDD physical layer implementations. It is fully compliant with the 3GPP FDD Release 4 Standard. InterDigital, along with its partner Comneon, offers the solution with a USIM interface and toolkit, evaluation and development support, and application notes and support to provide a time to market advantage for equipment manufacturers and ASIC vendors.

InterDigital architects, designs and provides advanced wireless technologies and products that drive voice and data communications, offering solutions for mainstream wireless applications that deliver cost and time-to-market advantages for its customers.

By leveraging its technology and intellectual property into third generation standards and products, the Company is maximizing its long-term revenue and earnings opportunities. InterDigital has a strong portfolio of patented TDMA inventions, including GSM/GPRS/EDGE, and CDMA inventions, which it licenses worldwide.

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