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Bluetooth Enhanced Data Rate (EDR): The Wireless Evolution

G. Yashodha

Abstract


Bluetooth wireless technology is a short-range communication system intended to provide connectivity of voice and data between information appliances. Initially designed to operate with a peak data rate of 1 Mb/s, the Bluetooth core specification has evolved to support 2 Mb/s and 3 Mb/s peak data rates with the introduction of the enhanced data rate (EDR) feature. The Bluetooth Special Interest Group (SIG), chartered to advance and promote Bluetooth wireless technology, has defined a test specification for conformance testing of the RF layer including the EDR mode. This article is intended for the Bluetooth EDR operation and test. Included is a brief discussion of the market needs that drove the evolution of the core specification from v1.0 to v1.2 and continuing on to v2.0+EDR. An in-depth examination of the Bluetooth EDR standard will be provided which includes new test cases for provisional testing of transmitter and receiver designs.


Keywords


Differential phase shift keying, enhanced data rate, Synchronous connection-oriented link, and Ultra wide band

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References


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