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Circuits for reducing transmitter self-interference in cellular and wireless devices

Summary

Although integration of radio devices for cellular and wireless communication improves products by reducing cost and size while increasing speed, increasing the number of devices in a system-on-chip (SoC) also increases signal interference. Current techniques to isolate devices either require bulky components or are ineffective. This technology introduces a compact, active noise cancellation technique that achieves high distortion cancellation and signal isolation. This noise cancellation decreases transmitter leakage in the receiver band, enabling the design of SoCs with higher level integration.

Technology Benefits

Greatly improved noise cancellation allowing for increased integration Compact system-on-chip (SoC) deviceLower cost wireless devicePatent Information:Patent Pending (US 20160359521)Tech Ventures Reference: IR CU14230

Technology Application

Integrated system-on-chip (SoC) circuits with less transmitter leakage and noiseImproved cellular (CDMA, LTE, GSM) and connectivity (WiFi, Bluetooth) wireless systems

Detailed Technology Description

None

Country/Region

USA

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