Some old news: ArrayComm Demonstrates Major Performance and
Cost Improvements in GSM and PCS Applications;
Field Trials Prove Spatial Channels Technology
Increases Capacity With GSM Protocols
Business Wire - September 10, 1997 12:22
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SAN JOSE, Calif.--(BUSINESS WIRE)--Sept. 10, 1997--ArrayComm Inc. recently
announced the successful completion of both in-house tests and European field trials proving
the ability of its IntelliCell technology to significantly increase system capacity and voice quality
while lowering total cost per subscriber in Global System for Mobile (GSM) communications
networks.
The field trials involved two major GSM protocols -- DCS-1800 (1800 MHz) and
PCS-1900 (1900 MHz). GSM is the most widely deployed high-mobility wireless standard in
the world, with more than 49 million subscribers.
ArrayComm's IntelliCell processing platform has not only outperformed competing
technologies in direct testing of uplink (subscriber-to-base-station) performance; it is the only
adaptive smart antenna technology to also demonstrate equivalent performance advantages for
the downlink (base station to subscriber).
ArrayComm's powerful IntelliCell processor intelligently combines signals from antenna arrays
to provide dramatic increases in signal quality, spectral efficiency and coverage over systems
based on conventional wireless access technologies.
The Spatial Channels feature optimizes use of scarce and costly radio channels by
simultaneously accommodating multiple users on the same radio frequency and time slot
whether moving within a single cell or traveling to adjacent cells.
The result is high-capacity, high-quality access to the public network at much lower cost than
other wireless technologies and, in the case of ArrayComm's IntelliWave WLL wireless
local-loop system, at a lower cost than wireline installations.
ArrayComm's development of the PCS-1900 platform was partially supported by the U.S.
Advanced Research Projects Agency (ARPA), with participation by Watkins-Johnson and
Spectrian.
ArrayComm developed the system architecture and all of the base- station and GSM
software, and provided systems integration. The IntelliCell adaptive wireless technology was
shown to increase capacity and coverage. It consistently yielded more than eight times the gain
of systems based on conventional antennas and interference mitigation of 20 dB, or a factor of
100.
``ArrayComm has now demonstrated its ability to enhance three different air interfaces,'' said
Martin Cooper, ArrayComm's chairman and founder, ``including AMPS, PHS and GSM. In
each case, the performance improvements have exceeded our expectations. IntelliCell is
transparent to the air interface and will appear in other systems as they are updated.''
``We are very proud of these results,'' stated Karl Martersteck, president and chief executive
officer of ArrayComm. ``This important milestone proves the ability of our technology to
significantly reduce interference in GSM systems while providing support for all aspects of the
air interface, including broadcast control channels.
``Such enhancements positively impact a carrier's bottom line by increasing coverage and
capacity and by ensuring greater call quality. Combined with our established presence in
PHS-based system solutions, these successful trials uniquely position us as a provider of
low-cost, high-quality solutions for two of the fastest- growing wireless systems in the world.
``The GSM results have been achieved despite pronounced skepticism from
digital-wireless-industry experts about the ability of a single technology to deliver such
advantages in both uplink and downlink applications,'' Martersteck added. ``Several major
GSM systems integrators are now working intently on similar adaptive solutions.''
ArrayComm is the leading global source of adaptive wireless- communications solutions. The
company's revolutionary IntelliCell processing platform provides PCS, cellular and WLL
operators with unparalleled increases in signal quality, capacity and coverage by automatically
adapting to the complexities of the RF environment and continuously enhancing the users'
signals in real time.
ArrayComm holds a number of patents on its IntelliCell technology and has applied for several
more.
From the IntelliCell processor to innovative wireless local-loop systems, ArrayComm is
helping make high-quality wireless communications truly affordable for mass markets
worldwide. |
