Here is the actual study  - it is an interesting read:
<a href="http:&#x2F;&#x2F;apps.fcc.gov&#x2F;ecfs&#x2F;document&#x2F;view?id=60001078145" rel="nofollow">http:&#x2F;&#x2F;apps.fcc.gov&#x2F;ecfs&#x2F;document&#x2F;view?id=60001078145</a><p>In a nutshell; the LTE transmission cycles on and off on a regular cadence without sensing if the channel is clear. This tramples over the 802.11 frames and results in higher utilization of the medium than that which is claimed by Qualcomm