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The EW6181 GPS and GNSS Silicon is designed to offer superior performance with minimal power consumption. This silicon solution integrates multi-GNSS capabilities, including support for GPS L1, Glonass, BeiDou, and Galileo signals. It incorporates patented algorithms that ensure a compact design with exceptional sensitivity and accuracy, all while consuming little power. The chip includes a robust RF front-end, a digital baseband processor for signal processing tasks, and an ARM MCU for running firmware that supports extensive interfaces for varied applications. With built-in power management features like DC-DC converters and LDOs, the EW6181 silicon is particularly suitable for battery-operated devices that demand low BoM costs. Additionally, it includes antenna diversity capabilities, highlighted with a two-antenna implementation to enhance connectivity, making it ideal for devices subject to frequent orientation changes, such as wearable tech and action cameras. The EW6181 is cloud-ready, allowing it to operate in a connected environment to optimize power usage further and enhance accuracy and sensitivity. When used with EtherWhere's AccuWhere cloud service, the silicon can significantly reduce device-side computations, leading to longer battery life and more frequent location updates, tailored for modern navigation and asset tracking applications.
ArrayNav is an innovative GNSS solution that applies multiple antennas to significantly improve signal sensitivity and accuracy. This advanced technology is an adaptation from the communication sector’s use of MIMO, tailored to address GNSS challenges like multipath errors and potential signal jamming. By employing a diversified antenna setup, ArrayNav enhances signal gain and diversity, achieving higher accuracy, especially in environments prone to signal degradation such as urban canyons. The multi-antenna approach allows for distinct identification and suppression of interfering signals, including those used for spoofing or jamming, by analyzing their unique signatures. The system effectively places null signals in the direction of such disturbances, maintaining the reliability and precision of positioning data. This makes ArrayNav particularly beneficial for applications reliant on sub-meter accuracy and quick acquisition. ArrayNav’s patented capabilities ensure robust GNSS performance, even in constrained environments, by boosting channel gain by 6 to 18 dB. This gain significantly improves operational efficacy in various applications, from automotive advanced driver-assist systems (ADAS) to personal navigation devices, ensuring dependable operation no matter the surroundings.
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