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SILICON WAVE SUPPORTS ADAPTIVE FREQUENCY HOPPING FOR COEXISTENCE OF BLUETOOTH(tm) AND 802.11B WIRELESS TECHNOLOGIES
AFH and Blue802(TM) Technology Are Complimentary Coexistence Techniques
San Diego - May 21, 2002 - Silicon Wave announced today their support of the
FCC's recent ruling that permits Adaptive Frequency Hopping (AFH) as a
method to help minimize interference between Bluetooth and Wi-Fi (IEEE
802.11b) wireless technologies. The company confirmed that AFH is a
coexistence solution that complements their recently released Blue802(TM)
Technology. AFH is a technique that will allow multiple devices located in
the same area to share the unlicensed 2.4GHz ISM band, while Blue802
Technology solves the technical issues created when Bluetooth and Wi-Fi
wireless technologies are collocated in the same device. Silicon Wave also
announced that AFH will be incorporated into future releases of Blue802
Technology once the Bluetooth SIG adopts it as part of the Bluetooth
specification.
"Adaptive Frequency Hopping goes a long way to solving the Bluetooth and
Wi-Fi co-existence problem, but we need to recognize that AFH is not a
complete panacea," said David Hytha, vice president of Silicon Wave.
"Serious interference issues such as receiver desense still exist when
Bluetooth and Wi-Fi radios are operating within one meter of each other -
exactly the scenario that Blue802 Technology addresses in a notebook PC,
desktop computer or any handheld device enabled with both wireless
technologies."
To deliver simultaneous operation of Bluetooth and Wi-Fi wireless
technologies in PCs, Silicon Wave has developed Blue802 Technology, a unique
collaborative real-time communications interface at the MAC layer that is
transparent to the user. Data can be transmitted without interference while
optimizing throughput, range and responsiveness. This enables Bluetooth
applications such as mouse, keyboard, printing, file transfer and portable
device synchronization to run at the same time the user is connected to the
network over Wi-Fi.
"Blue802 Technology is the only solution available today that solves the
coexistence challenge in notebook and desktop PCs," said Jarvis Tou, vice
president of marketing and product management for Silicon Wave. "We look
forward to the Bluetooth SIG adopting AFH into its specification and will
include it as one of several enhancements to future releases of Blue802
Technology."
About Silicon Wave, Inc.
Based in San Diego, Silicon Wave designs and produces RF communication
system components that consistently deliver superior user experience.
Silicon Wave products and services include radio modems, baseband
processors, software solutions and a Baseband IP Licensing Program for
Bluetooth wireless communications. Founded in 1997, the company was the
first to deliver a fully qualified, single-chip radio modem for Bluetooth
communications and first to achieve Bluetooth Specification Version 1.1
qualification for its products. Silicon Wave is an Associate Member of the
Bluetooth Special Interest Group. The company's Web site is located at
www.siliconwave.com.
Silicon Wave, the diamond logo design and the SiW product name prefix are
registered trademarks and Blue802 is a trademark of Silicon Wave, Inc.
Bluetooth is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed
to Silicon Wave, Inc. All other product, service and company names are
trademarks, registered trademarks or service marks of their respective
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