InterDigital Inc (IDCC)

[nieves]

InterDigital to Demonstrate Complete Standards Compliant WCDMA Mobile



RELATED SYMBOLS: (IDCC)

KING OF PRUSSIA, Pa., Feb 12, 2003 (BUSINESS WIRE) -- InterDigital
Communications Corporation (Nasdaq: IDCC), a leading architect, designer and
provider of wireless technology and product platforms, will demonstrate its
Wideband CDMA (WCDMA) air interface solutions at the 2003 3GSM World Congress in
Cannes, France (February 17-21, 2003). The WCDMA solution demonstrations feature
the Company's standards compliant, end-to-end Wideband Time Division Duplex
(WTDD) system and a complete WCDMA solution for mobile terminals, including
InterDigital's Frequency Division Duplex (FDD) software protocol stack product.

The WTDD system will operate point-to-point over a fully functioning radio
network controller (RNC), Node B and end-user terminal device (UE) configured
for a mobile environment and will demonstrate call setup as well as a 384 kbps
streaming audio and video call.

WTDD, which is WCDMA for the unpaired spectrum and a technology that integrates
seamlessly with FDD, supports both voice and data in the unpaired spectrum
allocated in 3G licenses worldwide. WTDD is uniquely suited for data-rich and
multi-media applications. Together, FDD and TDD form a complete solution as
companion, underlying air interface technologies that enable WCDMA-based
products to efficiently deliver voice, data and multimedia applications.

Co-developed by InterDigital and Infineon, the WCDMA FDD multi-mode software
protocol stack product for terminal devices is a standards compliant solution
that supports Infineon's 3G baseband processor and also is portable to other
baseband processors. The Company is marketing the protocol stack, which
interfaces with existing GSM/GPRS hardware and software.

InterDigital also will launch SmartRRM(SM), a complete suite of advanced radio
resource management algorithms and advanced simulation tools that maximizes TDD
performance and lowers deployment costs. SmartRRM allocates radio resources to
suit the character of the offered traffic, optimizing connections, network
stability, connection reliability, system capacity, terminal battery
consumption, and overall quality of service.

The following InterDigital executives will deliver presentations at this year's
3GSM World Congress:

-- Dr. Alain Briancon, Executive Vice President and Chief Technology Officer and
Chair of the GSM Association's Associate Member Interest Group - Understanding
the Business Case for TDD, Wireless Access Track B, 16:30 on Tuesday, February
18. -- Jim Nolan, VP Systems Engineering - Wireless LAN Operator Scenarios,
Special Focus, 11:50 on Thursday, February 20.

Dr. Briancon will discuss the findings of a recently released study outlining
the economic benefits that TDD technology offers to operators for different
deployment options and marketing scenarios, namely hot zone coverage, wide area
broadband deployments, and capacity enhancement. As part of his presentation,
Dr. Briancon will highlight the effectiveness of WTDD in supporting high revenue
traffic profiles expected in the UMTS 3G environment - specifically dense urban,
urban and suburban locations - as well as examine the economic implications of
using WTDD technology and its integration with FDD within the WCDMA environment.
Mr. Nolan will present on the subject of Wireless LAN and potential operator
deployment scenarios.

To speak with InterDigital at 3GSM World Congress 2003 in Cannes, please visit
booth E29 in Hall 2.

Press Only: To coordinate a briefing in advance of the conference, please
contact Dawn Goldstein (610.878.5620; [e-mail]) or
Kristie Heins (312.329.3985; [e-mail]).

About InterDigital

InterDigital architects, designs and provides advanced wireless technologies and
products that drive voice and data communications. The Company offers technology
and product solutions for mainstream wireless applications that deliver cost and
time-to-market advantages for its customers. InterDigital has a strong portfolio
of patented technologies covering 2G, 2.5G and 3G standards, which it licenses
worldwide. For more information, please visit InterDigital's web site:
www.interdigital.com.

This press release contains forward looking statements regarding our beliefs and
expectations as to the anticipated capabilities to be demonstrated by our WTDD
system, the capabilities of WTDD and FDD generally in enabling WCDMA-based
products to deliver voice, data and multimedia applications efficiently, our
plan to launch SmartRRM(sm) and the capabilities of Smart RRM(sm). Such
statements are subject to risks and uncertainties. Actual outcomes could differ
materially from those expressed in any such forward looking statement due to a
variety of factors including but not limited to: the risks inherent in any
technology demonstration; changes in the 3G standard that adversely impact the
applicability of TDD to WCDMA, unanticipated difficulties or delays in
technology development efforts.

InterDigital is a registered trademark and SmartRRM is a servicemark of
InterDigital Communications Corporation.


CONTACT: InterDigital Communications Corporation
Media Contact:
Dawn Goldstein, 610/878-7800
[e-mail]
Investor Contact:
Janet Point, 610/878-7800
[e-mail]

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SOURCE:
InterDigital
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