Telecom Products

Acorn telecom products provide significant data capacity and throughput improvements that are integral to meeting the challenges of wireless broadband, including WiFi, 4G and next-generation 5G.


Acorn’s hellaPHY is a suite of advanced receiver IP cores designed to make wireless better and improve spectral efficiency up to 60%. Targeting LTE, and applicable to any OFDM standard, hellaPHY consistently provides differentiating performance against known solutions. Advanced receiver technologies such as hellaPHY are central to meeting future demands in wireless data access. The technology is embodied as a highly optimized DSP/RTL core that is ready to be dropped into an SDR or ASIC. The IP Core can also be customized to accommodate existing implementations. Along with superior channel estimation hellaPHY also offers additional system critical parameter estimates, including fine timing estimation, Doppler estimation, noise covariance matrix estimation and time of arrival estimation. hellaPHY’s superior time of arrival estimation has demonstrated significant performance advantage over competing solutions for LTE positioning in comparative Reference signal Time Difference (RSTD) 3GPP simulations. hellaPHY consists of:

  • hellaPHY CE  – a time-domain CIR-based channel estimator. Robust against typical OFDM frequency-domain filtering-based CE failings
  • hellaPHY RSTD – signal processing IP core for LTE network assisted positioning and E911 indoor location accuracy standards
  • hellaPHY LOC – builds on hellaPHY RSTD and adds the necessary support for advanced UE based positioning