IEEE 802.11ax/Wi-Fi 6 IP targets low-power applications
The iEW400 is based on the latest IEEE 802.11ax Wi-Fi 6 standard, its 20/40MHz operation enables low-data-rate applications to conserve battery power and the Target Wake Time (TWT) feature extends deep-sleep periods, dramatically improving current consumption and extending battery life. Orthogonal frequency-division multiple access (OFDMA) enables bandwidth to be segmented for the efficient transmission of data, reducing power consumption, whilst improving robustness and data throughput. Dual sub-carrier modulation (DCM) enables increased robustness for low data rates while Basic Service Set (BSS) Coloring increases robustness in dense environments for improved data throughput. The IP comes with optional upper MAC to offload work from the host processor to reduce total system power consumption, and an optional power management unit (PMU) supports a 2.7-4.5V DC supply optimised for low-power. The new IP can be paired with Imagination’s Bluetooth Low Energy solutions for a true Wi-Fi 6 plus Bluetooth Low Energy v5.2 combo IC. It comes as a complete, ready-to-market solution that includes integrated RF, AFE, baseband PHY and MAC.
The IP is supplied as hard macro for analogue and synthesisable RTL for digital, enabling maximum flexibility and the fastest time to market along with reduced development costs. It is silicon-ready, occupying a 6.84 mm2 die area (including analogue pads) in a TSMC 40nm LP process.
Imagination Technologies – www.imgtec.com
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