×

Radio access network (RAN) level keep alive signaling

  • US 8,477,811 B2
  • Filed: 01/30/2009
  • Issued: 07/02/2013
  • Est. Priority Date: 02/02/2008
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for communicating with a radio access network, the method comprising:

  • determining that no data is queued at a first device for transmission to the radio access network; and

    transmitting to the radio access network, based on determining that no data is queued, an identifying signal that causes the radio access network to maintain context of the first device at the radio access network, wherein no acknowledgement is received from the radio access network during the communicating.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×