Universitat Politècnica de Catalunya - UPC

A low-complexity and low-power receiver for wireless communications

Posted by Universitat Politècnica de Catalunya - UPCResponsive · Patents for licensing · Spain

Summary of the technology

A superregenerative receiver for digital phase-modulated signals has been developed and patented. The technology described herein extends for the first time the conventional superregenerative receiver to be able to detect PSK signals with a minimum of additional circuitry. Taking advantage of both the lowcomplexity and low-power from superregenerative receivers and the more efficient power transmission achieved by PSK modulations. Partners to further develop the system and/or to establish commercial agreements along with technical cooperation are sought.

Universitat Politècnica de Catalunya - UPC
Universitat Politècnica de Catalunya - UPC

The Challenge


The receiver plays an essential role in wireless communication systems. In many application areas the receiver power consumption has to be minimized to comply with tight power budgets. Moreover, when systems are built with an increasing number of wireless nodes, the cost of each receiver has to be strictly minimized. The superregenerative receiver is a technology that allows meeting both objectives. It is well-known for its extreme simplicity, which translates into low-cost and low-power implementations. These two key factors make this receiver a suitable choice in applications where cost and power consumption are more significant than the superior performance achievable by other structures. However, up to now, superregenerative receivers were not capable of detecting PSK signals, which are common in many current communication standards and widely used in wireless communication.

The Technology


Our technology allows taking advantage of a fundamental result of superregenerative reception theory by means of an extremely simple additional processing, which allows detecting the PSK-coded information. Compared to a traditional bit-synchronous ASK superregenerative receiver, the added complexity is extremely low and fundamentally in the digital domain. As a consequence, the essential features of low power and low complexity are preserved.

Current stage of development


A QPSK superregenerative receiver has been demonstrated by an experimental prototype.

Applications and Target Market


This technology may be applied in any area requiring wireless connectivity with reduced cost and/or low power consumption while requiring compatibility with communication standards relying on PSK modulations. A significant application area are wireless sensor networks.
It could be of interest for companies devoted to manufacturing RF receivers.

Innovative advantages


Existing superregenerative receivers are mostly restricted to ASK modulations, with a few efforts aimed at binary PSK. This technology, allows the reception of M-ary PSK modulations.
The resulting receiver complexity is several orders of magnitude lower than conventional PSK receiver structures.

Intellectual property status

Granted Patent
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Technology available for licensing with technical cooperation - d n r Patent Status Priority application

Technology Owner

Universitat Politècnica de Catalunya - UPC

Technology Transfer Office

Related keywords

  • Electronics, IT and Telecomms
  • Sensors & Wireless products
  • Internet Technologies/Communication (Wireless, Wi-Fi, Bluetooth)
  • Sensor Technology related to measurements
  • Network Technology, Network Security
  • Communications
  • Commercial Communications
  • Telephone Related
  • Data Communications
  • Other Communications Related
  • low-power receiver

About Universitat Politècnica de Catalunya - UPC

Technology Transfer Office from Spain

The Universitat Politècnica de Catalunya - BarcelonaTech is a public institution dedicated to higher education and research in the fields of engineering, architecture and science, which contributes its knowledge and expertise in order to increase scientific output, transfer its results to society and provide a network of scientific and technical state-of-the-art facilities and technology valorization services that place us at the leading edge of innovation and economic development.

The UPC has established itself as a driver of innovation and is the technology partner of choice for companies and organizations with which it develops projects and builds partnerships. A role borne out by the numerous agreements and research projects that have been set in motion by groups, organizations and laboratories; the creation of new technology-based companies; the generation and exploitation of patents, and the scientific and technical services UPC makes available to its environment in order to generate progress and employment.

The Technology Transfer Office (SGI) is responsible of Designing, coordinating and implementing research valorisation strategies, carrying out the protection policy of the research results, marketing these results through license contracts and designing and setting up the University's enterprise creation model in order to transfer the results of the research to the market, protect and commercialize these results, promote the culture of entrepreneurship and innovation, and create technology-based companies within the UPC environment.

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