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Short message transmission and handover procedures

  • US 9,247,471 B2
  • Filed: 04/05/2012
  • Issued: 01/26/2016
  • Est. Priority Date: 04/05/2011
  • Status: Active Grant
First Claim
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1. A method for transmitting downlink small data packets to a user equipment subscribed to a mobile communication network comprising a base station, the method comprising the steps of:

  • triggering the user equipment by a connectivity-related network entity to establish connectivity with the mobile communication network via the control plane only and not via user plane,establishing by the user equipment and the connectivity-related network entity control plane connectivity for the user equipment, in response to the triggering,transmitting the downlink small data packets to the user equipment using the established control plane connectivity, not using user plane connectivity,starting by the user equipment a control-plane establishment timer when initiating the establishing of the control plane connectivity, in response to the triggering, andstopping the control-plane establishment timer, upon establishing the control plane connectivity with the mobile communication network.

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