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Enabling technologies for LTE on unlicensed spectrum

  • US 10,292,054 B2
  • Filed: 02/01/2017
  • Issued: 05/14/2019
  • Est. Priority Date: 03/14/2016
  • Status: Active Grant
First Claim
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1. A method for enabling coexistence of WIFI and Long Term Evolution (LTE) in a wireless communication system, the method comprising:

  • embedding in a data sequence, by a base station capable of transmitting and receiving LTE frames, a channel reservation packet that (i) is detectable by a WIFI receiver and (ii) reserves a particular one of a plurality of available unlicensed communication channels for a transmission duration of the data sequence; and

    transmitting, by the base station, the data sequence including the embedded channel reservation packet;

    wherein the data sequence is transmitted as a single Orthogonal Frequency-Division Multiple Access (OFDMA) tone capable of regenerating a WIFI signal detectableby the WIFI receiver, andwherein the single OFDMA tone consists of only systematic bits of a coded sequence.

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