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Method and arrangement for signaling of parameters in a wireless network

  • US 9,106,380 B2
  • Filed: 10/01/2010
  • Issued: 08/11/2015
  • Est. Priority Date: 06/21/2010
  • Status: Active Grant
First Claim
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1. A method in a user equipment, the method comprising:

  • receiving, over a first cell configured on a carrier frequency, a request to add a second cell as a secondary cell (SCell) for carrier aggregation, the second cell being configured on the same or another carrier frequency, the request comprising parameters associated with the second cell, wherein the parameters comprise a cell identity and a number of transmit antenna ports associated with the second cell;

    deriving at least one physical layer characteristic that is required to establish communication with the second cell based on the received parameters, thereby enabling the user equipment to receive data transmissions over the second cell without receiving the number of transmit antenna ports from the second cell; and

    once communication is established with the second cell using the at least one physical layer characteristic, performing carrier aggregation of data transmissions received over the first cell and the second cell, with the first cell as a primary cell (PCell) and the second cell as the SCell;

    wherein the parameters are received in a dedicated message to the user equipment.

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