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CSR Implements V1.2 of the Bluetooth Specification; Including All Optional Controller Features.


Business Editors/High-Tech Writers

Bluetooth Developers Conference 2003

SAN JOSE San Jose, city, United States
San Jose (sănəzā`, săn hōzā`), city (1990 pop. 782,248), seat of Santa Clara co., W central Calif.; founded 1777, inc. 1850.
, Calif.--(BUSINESS WIRE)--Dec. 9, 2003

CSR (1) (Customer Service Representative) A person who handles a customer's request regarding a bill, account changes or service or merchandise ordered. Agents in call centers are known as CSRs. See call center.  (Cambridge Silicon Radio) today announced that its BlueCore3 silicon incorporates all of the new features included in Bluetooth Specification Version 1.2 (v1.2) of the specification that was adopted by the Bluetooth SIG on November 5th 2003. The specification includes many enhancements over v1.1, including support for eSCO (extended Synchronous Connection Oriented A communications architecture that requires the establishment of a session between two nodes before transmission can begin. When the communications is completed, the session is ended (torn down). ), adaptive frequency hopping A wireless modulation method that rapidly changes the center frequency of a transmission. See spread spectrum and 802.11.  (AFH AFH Adaptive Frequency Hopping
AFH Away From Home
AFH Army Family Housing
AFH Air Force Handbook
AFH Atlantic Fish Health (Charlottetown, PEI, Canada)
AFH Administration, Finance, and Human Resources
) and Fast Connect. BlueCore3 also includes all the optional controller features of the new standard and improves co-existence with other 2.4GHz radios making it ideal for use in a wide range of Bluetooth applications.

eSCO channels are error checking voice channels that allow the retransmission Retransmission might refer to:
  • Retransmission (data networks), the resending of packets which have been damaged or lost
  • Replication of a signal at a repeater
 of corrupted voice data. As data rates can be negotiated via eSCO, the overall high quality-of-service connection is improved. With eSCO in place in BlueCore3, the detection and re-transmission of lost or destroyed voice packets allows minimum impact on real-time performance, thus making it particularly suitable for high quality voice transmission.

Over the last two years, CSR has been central to the development of AFH, a feature now integrated into Bluetooth v1.2. AFH coordinates the frequency used by Bluetooth and other 2.4GHz radio devices such as WiFi, to reduce the likelihood of interference. This makes CSR's BlueCore3 even more suitable for a number of combo designs where WiFi and Bluetooth are required to work together.

Fast Connect significantly improves the usability of Bluetooth devices for the user by allowing connection times to be reduced by an order of magnitude A change in quantity or volume as measured by the decimal point. For example, from tens to hundreds is one order of magnitude. Tens to thousands is two orders of magnitude; tens to millions is three orders of magnitude, etc. .

Robin Heydon, Technical Consultant, CSR and member of the Bluetooth Architectural Review The Architectural Review is a monthly international architectural magazine published in London since 1896. Articles cover the built environment which includes landscape, building design, interior design and urbanism as well as theory of these subjects.  Body commented, "We have worked closely with the SIG since Bluetooth's inception. Our experience within the Bluetooth silicon sector gives us a key role within the SIG, so that we can be instrumental in developing new standards such as AFH."

Heydon continued, "For the user, the essential improvements of version 1.2 of the specification makes Bluetooth faster, with improved connection times, and stronger, with more robust data and voice connections."

About CSR

CSR (Cambridge Silicon Radio) is a leading provider of single-chip radio devices for Bluetooth wireless communication. CSR offers developed hardware/software packages based around BlueCore, a fully integrated 2.4 GHz radio, baseband and microcontroller. BlueCore features in 60 percent of all qualified Bluetooth v1.1 enabled product designs (including end products and modules) with international names such as Microsoft Corp, Dell, Panasonic, Audi, NEC (NEC Corporation, Tokyo, www.nec.com, www.necus.com) An electronics conglomerate known in the U.S. for its monitors. In Japan, it had the lion's share of the PC market until the late 1990s (see PC 98).

NEC was founded in Tokyo in 1899 as Nippon Electric Company, Ltd.
, Toshiba, Samsung and Sony already using BlueCore in their range of Bluetooth products. In June 2003, CSR launched the third generation BlueCore devices with full support for v1.2 of the Bluetooth specification.

CSR is headquartered in Cambridge, UK, with offices in Richardson, Texas, USA; Tokyo, Japan; Singapore; Seoul, Korea; Taipei, Taiwan and Aalborg, Denmark.

More information can be found at www.csr.com and the partner web site www.btdesigner.com

More information about Bluetooth can be found on the SIG web site at www.bluetooth.com
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Copyright 2003, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Business Wire
Geographic Code:1USA
Date:Dec 9, 2003
Words:500
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