Wi-Fi platforms have traditionally focused on peak speeds. However, evolving usage scenarios (such as stadium and campus environments and even households…
Wi-Fi platforms have traditionally focused on peak speeds. However, evolving usage scenarios (such as stadium and campus environments and even households with multiple Wi-Fi devices) have led to the appearance of standards aimed at solving the ‘capacity’ problem. We saw 802.11ac Wave 2 devices come to the market over the last couple of years. MU-MIMO on the downlink side was one of the first features to address this capacity issue.
802.11ax is set to become the next major leap in Wi-Fi technology. The last major introduction (802.11ac) has since been complemented by 802.11ad in the 60 GHz band, but, 802.11ax is the technology that will provide performance benefits in the 2.4 GHz and 5 GHz bands. Quantenna was the first to announce a draft-802.11ax-compliant access point radio solution back in October 2016. It was a 12-stream solution with 8×8 in the 5 GHz band and 4×4 in the 2.4 GHz band. They followed it up with a CES 2017 announcement for their mid-range solution (8-stream with 4×4 in the 5 GHz and 4×4 in the 2.4 GHz bands) targeting the same market. Today, Qualcomm has become the second vendor to announce a 802.11ax solution. Unlike Quantenna’s focus on the access point side, Qualcomm is announcing products for both the AP and client device markets.
Similar to the Quantenna QSR10G-AX, the IPQ8074 is also a 12-stream solution (8×8 5GHz + 4×4 2.4GHz). However, in addition to the baseband, it also integrates a network processor. On the baseband side, the IPQ8074 supports 80 MHz channel width and has MU-MIMO for both uplink and downlink. In addition to the baseband radios, the IPQ8074 also integrates a quad-core Cortex-A53 (running at up to 2 GHz) and a dual-core network accelerator for deep packet inspection and other such applications.
