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Method, and arrangement in a communications network

  • US 20020051184A1
  • Filed: 05/31/2001
  • Published: 05/02/2002
  • Est. Priority Date: 05/31/2000
  • Status: Active Grant
First Claim
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1. A method for printing a document in a data communications system, the system including a processing unit including a printer client (1001) and a printer including a printer server (1002), the processing unit and the printer using for communication between each other a wireless printer protocol, the Bluetooth protocol stack and air interface, the Bluetooth protocol stack including a wireless printer protocol and a Logical Link Control and Adaptation Protocol (L2CAP), the method including the steps of:

  • establishing (701) a bi-directional wireless asynchronous connection-less (ACL) connection between the processing unit and the printer by means of the printer protocol calling the L2CAP requesting the connection and the L2CAP creating the connection;

    establishing (702) a connection for one or more printjobs between the printer client (1001) and the printer server (1002);

    negotiating (703) configuration parameters between the printer client (1001) and the printer server (1002);

    sending (704) keep alive messages frequently from the printer client (1001) to the printer server (1002) and from the printer server (1002) to the printer client (1001);

    starting (705) a print job;

    sending (706) the print data from the processing unit to the printer;

    stopping (707) the print job; and

    closing (708) the connection between the processing unit and the printer.

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