Broadcom 'Cautiously Optimistic' There's Consensus on LAA/LTE Coexistence
Broadcom is "cautiously optimistic" a solution on "workable coexistence" could be reached on a model for licensed assisted access unlicensed LTE deployment, but less so on Wi-Fi and LTE-U, it said its executives told FCC officials. While the 3rd Generation…
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Partnership Project isn't "a traditional venue for developing standards for unlicensed operation," Broadcom said that it "nevertheless" is hopeful that solutions are possible. On "LTE-U, however, Broadcom stated that the situation is far different," it said in an ex parte filing on its meeting with Chief Julius Knapp and others in the Office of Engineering and Technology and with a Wireless Bureau official, and another meeting with Jessica Almond, aide to FCC Chairman Tom Wheeler. "Planned Wi-Fi/LTE-U co-existence mechanisms will not be effective, and co-existence analyses performed by LTE-U supporters to date are deeply flawed." The LTE-U specification doesn't "mandate any meaningful co-existence features, only requiring co-existence capabilities," said the company in a filing posted Tuesday in docket 15-105. "This distinction is critical." The company is a member of the Wi-Fi Alliance, according to that group's website. The group in the FCC docket has asked the agency not to certify LTE-U equipment “until such time as it is fully satisfied that fair sharing of unlicensed spectrum will be achieved” (see 1508260039">1508260039). Backers of LTE-U like Qualcomm have said it can work well with Wi-Fi. A Qualcomm executive didn't immediately comment Tuesday. LTE-U and Wi-Fi issues also were discussed at an FCBA panel Monday (see 1510060010). After the panel, an FCC spokesman said the agency is waiting for standards bodies to discuss LTE-U/Wi-Fi issues, has no LTE-U devices before it to look at, and will evaluate and ask technical questions about any products that do come in.