Cambridge Wireless says full duplex transceiver will boost global LTE handsets, 5G networks

Cambridge Wireless, a community of international technology companies, said it has overcome key hurdles in the development of a full duplex transceiver, and will demonstrate its advances in a matter of weeks.

The group is gearing up to showcase a full duplex transceiver that it said could enable unrestricted international roaming for LTE devices and become the de-facto choice for mobile operators as they upgrade networks to 5G technology in the coming years.

A team of researchers at the UK's University of Bristol developed the transceiver, which Cambridge Wireless stated uses recent advances to overcome the "severe levels of self-interference" typically generated when attempting to make a transceiver send and receive signals simultaneously.

The group said the research team utilised advances in analogue and digital signal processing to produce a transceiver that makes "cancelling this self-interference an achievable reality." The transceiver utilises electrical balance duplexing to enable signals to be transmitted and received on a single antenna.

In a statement, Cambridge Wireless explained that the transceiver "is a breakthrough that has important ramifications for spectral efficiency by potentially doubling the capacity of wireless systems". The transceiver also meets the "rigorous low cost requirements of handset applications", making it suitable for use in future smartphones and tablet PCs.

The transceiver will be demonstrated at a meeting of Cambridge Wireless' Radio Special Interest Group in early July, when details of the latest developments in the field of 5G will be among the subjects discussed by leading academic experts.

Cambridge Wireless is based in the UK city of Cambridge, and it counts a community of 400 members from global network operators, device manufacturers, start ups and universities among its ranks.

The group aims to promote collaboration in the research and development of wireless, internet, semiconductor and software technologies, through a series of special interest groups.

Chinese vendor Huawei demonstrated a 5G air interface architecture at the recent Mobile World Congress in Barcelona that it said was capable of supporting full duplex prototype technology and generated a 200 per cent improvement in spectral efficiency.

For more:
- see this Cambridge Wireless announcement

Related articles:
Huawei, Ericsson will go head to head with 5G demos at MWC
Sigfox, Texas Instruments collaborate to deliver Internet of Things solutions
Huawei, Ericsson, others dabble with '4.5G,' but what is it anyway?
Ericsson to launch 5G pilot with Swedish mining industry
Ofcom identifies 'preliminary set of bands' above 6 GHz for 5G