Provigent Unveils Chip

Provigent introduces chip that uses cross-polarization interface cancellation (XPIC) technology to double wireless channel capacity

November 22, 2004

1 Min Read

LOS ALTOS, Calif. -- Provigent Inc., a leading provider of system-on-a-chip (SoC) solutions for broadband wireless transmission, today announced the general availability of its PVG310, a single-chip modem that uses cross-polarization interface cancellation (XPIC) technology to double wireless channel capacity.

Provigent’s XPIC technology supports the co-channel dual-polarization (CCDP) operation, which allows the simultaneous transmission of two separate data streams on two polarizations of a single channel. By transmitting on orthogonal antenna polarizations and using advanced digital signal processing techniques to cancel interference, net channel capacity is doubled.

“The development of the PVG310 was spurred by the growing need for optimized bandwidth utilization – a need driven by expensive spectrum allocation and the scarcity of frequency bands,” said Guy Resheff, co-founder and CTO of Provigent. “Provigent’s unique intellectual property allows our customers to introduce cost-effective XPIC systems. The PVG310 highly integrated system-on-a-chip modem simplifies the design and shortens time-to-market of point-to-point radio systems. System vendors can leverage our modem solution to develop a single design for their entire point-to-point product line, from low-capacity, low-cost systems to high-end, high-capacity, feature-rich systems.”

Provigent Inc.

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