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Method and arrangement for white space device transmission

  • US 10,033,508 B2
  • Filed: 04/08/2011
  • Issued: 07/24/2018
  • Est. Priority Date: 04/08/2011
  • Status: Active Grant
First Claim
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1. A method in a white space device of a secondary wireless system, for transmitting a first signal on a channel available for secondary usage allocated to a primary wireless system, the method comprising:

  • determining a further channel used by the primary wireless system, that would be interfered by a transmission of the first signal on the channel available for secondary usage,retrieving signal information associated with the determined further channel from the primary wireless system,transmitting the first signal on the channel available for secondary usage, andtransmitting a second signal on the determined further channel based on the retrieved signal information, simultaneously with the first signal on the channel available for secondary usage, such that an interference generated in the primary wireless system by the first signal transmission is compensated for by the second signal transmission.

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