Qualcomm Counters Criticism of LTE-Unlicensed
“Contrary to the claims of several commenters” Qualcomm “has worked, and is continuing to work” with the whole wireless industry to ensure that LTE-unlicensed can peacefully coexist with Wi-Fi, Qualcomm said in a filing at the FCC. The comments, in…
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docket 15-105, respond to other filings there. In April, when the FCC finalized rules for the 3.5 GHz shared spectrum band, it agreed to seek comment on LTE-U and license assisted access (LAA) services (see 1504170055). The comment cycle closed in June (see 1506290060). Qualcomm also disputed claims that LTE-U’s and LAA’s coexistence features are vague and undefined. “To put these claims in perspective, Wi-Fi has no coexistence specification,” Qualcomm said. “The Wi-Fi Alliance merely has an interoperability specification and is currently studying whether to adopt a Wi-Fi coexistence specification. By contrast, LTE-U was built from the ground up to coexist well with Wi-Fi and to ensure that there will be no adverse impact on Wi-Fi.” The record also shows LTE-U and LAA “do share spectrum fairly,” Qualcomm said. “The record shows that Qualcomm, in the case of LTE-U, has conducted comprehensive testing in the laboratory and in the field, demonstrating that LTE-U has no adverse impact on Wi-Fi, and in many cases actually improves throughput for nearby Wi-Fi users.”