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Connected mode for low-end radio

  • US 7,515,945 B2
  • Filed: 06/30/2003
  • Issued: 04/07/2009
  • Est. Priority Date: 06/30/2003
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • transmitting a broadcast polling message from an advertising device advertising availability for connection for subsequent data transfer, the broadcast polling message including a polling role switching indicator;

    receiving from a user device a response message on the initialization channel including an indication of a data channel different from the initialization channel to be used for subsequent communication between the advertising device and the polling device, and containing a response polling role switching indicator;

    enabling the advertising and user devices to establish a wireless short-range connection on the indicated data channel, wherein polling roles of the advertising and user devices are coordinated in accordance with the response polling role switching indicator, the device in the polling role being enabled to periodically transmit polling messages to the polled device, allowing power to be conserved in the polling device.

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