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Clear to send-to-self transmissions in an LTE-controlled Wi-Fi system

  • US 10,412,201 B2
  • Filed: 11/12/2015
  • Issued: 09/10/2019
  • Est. Priority Date: 11/12/2015
  • Status: Active Grant
First Claim
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1. A method of wireless communication comprising:

  • performing a clear channel assessment (CCA) procedure on a channel operating across multiple sub-bands of a radio frequency (RF) spectrum band;

    determining the channel is available based at least in part on the performed CCA; and

    transmitting a special header in the channel operating across the multiple sub-bands, the special header comprising multiple instances of a header packet across the multiple sub-bands and transmitted during two or more transmission time intervals (TTIs), each instance of the header packet comprising a first set of fields used by a first radio access technology and a second set of fields used by a second radio access technology, wherein a first TTI of the two or more TTIs includes a first instance of the header packet in a first sub-band of the multiple sub-bands, and a second instance of the header packet in a second sub-band of the multiple sub-bands, wherein a second TTI of the two or more TTIs that is subsequent to the first TTI includes a third instance of the header packet in one of the multiple sub-bands, and wherein a third TTI of the two or more TTIs includes a fourth instance of the header packet in a different sub-band than the one of the multiple sub-bands.

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