System and method for mobility in a multi-point HSDPA communication network

  • US 8,989,140 B2
  • Filed: 06/27/2011
  • Issued: 03/24/2015
  • Est. Priority Date: 06/28/2010
  • Status: Active Grant
First Claim
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1. A method of wireless communication for a User Equipment (UE) that is configured with a Multi-Point High Speed Data Packet Access (HSDPA) mode utilizing a primary serving cell and a secondary serving cell, the method comprising:

  • receiving Multi-Point HSDPA data from a first cell as the primary serving cell and a second cell as the secondary serving cell;

    determining that a measurement of the secondary serving cell exceeds a measurement of the primary serving cell;

    transmitting a request corresponding to the measurement of the secondary serving cell;

    receiving a Radio Resource Control (RRC) message in response to the request, wherein the RRC message includes an information element configured to inform the UE that the secondary serving cell utilizes the same carrier frequency as that of the primary serving cell;

    transmitting a response to the RRC message to confirm completion of a reconfiguration in accordance with the RRC message; and

    receiving Multi-Point HSDPA data from the second cell as the primary serving cell and the first cell as the secondary serving cell in response to the reconfiguration.

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