Columbia Engineers Invent Nanoscale IC That Enables Simultaneous Transmission and Reception at the Same Frequency in a Wireless Radio
A team of Columbia Engineering researchers has invented a technology—full-duplex radio integrated circuits (ICs)—that can be implemented in nanoscale CMOS to enable simultaneous transmission and reception at the same frequency in a wireless radio. Up to now, this has been thought to be impossible: transmitters and receivers either work at different times or at the same time but at different frequencies. The Columbia team, led by Electrical Engineering Associate Professor Harish Krishnaswamy, is the first to demonstrate an IC that can accomplish this. The researchers presented their work at the International Solid-State Circuits Conference (ISSCC) in San Francisco on February 25.
“This is a game-changer,” says Krishnaswamy. “By leveraging our new technology, networks can effectively double the frequency spectrum resources available for devices like smartphones and tablets.”
In the era of Big Data, the current frequency spectrum crisis is one of the biggest challenges researchers are grappling with and it is clear that today’s wireless networks will not be able to support tomorrow’s data deluge. Today’s standards, such as 4G/LTE, already support 40 different frequency bands, and there is no space left at radio frequencies for future expansion. At the same time, the grand challenge of the next-generation 5G network is to increase the data capacity by 1,000 times.
So the ability to have a transmitter and receiver re-use the same frequency has the potential to immediately double the data capacity of today’s networks. Krishnaswamy notes that other research groups and startup companies have demonstrated the theoretical feasibility of simultaneous transmission and reception at the same frequency, but no one has yet been able to build tiny nanoscale ICs with this capability.
“Our work is the first to demonstrate an IC that can receive and transmit simultaneously,” he says. “Doing this in an IC is critical if we are to have widespread impact and bring this functionality to handheld devices such as cellular handsets, mobile devices such as tablets for WiFi, and in cellular and WiFi base stations to support full duplex communications.”
The Latest on: Full-duplex radio integrated circuits
via Google News
The Latest on: Full-duplex radio integrated circuits
- Intel Deepens In Valueon November 25, 2020 at 12:34 pm
Intel remains in a quagmire due to design defects preceding innovation to their 7nm processor. Intel's competitors are not so hamstrung and instead are making big moves to grow.
- GBT's Patent for 3D Monolithic, Multi-Dimensional/Plane, Memory Structure - Integrated Circuits – Grantedon November 24, 2020 at 3:10 am
The Company filed for this patent on March 5, 2019. The invention relates to the field of integrated circuit (IC) silicon structure, and more particularly to multi-dimensional, multi-planar ...
- Everyone Should Build At Least One Regenerative Radio Receiveron November 23, 2020 at 4:00 pm
When we build an electronic project in 2016, the chances are that the active components will be integrated circuits containing ... Making A Transistor Radio, 2nd edition cover.
- MXL: Raising target price to $29.00on November 17, 2020 at 4:00 pm
MaxLinear Inc is a provider of radio frequency and mixed-signal integrated circuits for cable and satellite broadband communications, the connected home, and for data center, metro, and long-haul ...
- Why full duplex technology is suddenly hot in 5Gon November 16, 2020 at 4:00 pm
By simultaneously sending and receiving wireless signals over the same spectrum frequency, full duplex technology may dramatically improve spectral efficiency.
- Power Management Integrated Circuits (PMICs) Market to Reach $51.04 Bn, Globally, by 2027 at 5.3% CAGR: Says AMRon November 5, 2020 at 5:24 am
PORTLAND, Ore., Nov. 5, 2020 /PRNewswire/ -- Allied Market Research recently published a report, titled, "Power Management Integrated Circuits Market by Product Type (Voltage Regulators ...
- GBT's Patent for 3D Monolithic, Multi-Dimensional/Plane, Memory Structure - Integrated Circuits - Received a Notice of Allowanceon October 29, 2020 at 3:08 am
The present invention relates to the field of integrated circuit (IC), and more particularly to multi-dimensional, multi-planar IC memory. GBT's 3D microchip patent is protecting GBT's futuristic ...
- Radio Circuitson August 15, 2020 at 3:51 am
Regency TR1: First mass produced transistor radio, 1954 The circuit in the figure below is an integrated circuit AM radio containing all the active radio frequency circuitry within a single IC. All ...
- Millimeter-Wave Circuits for 5G and Radaron August 14, 2020 at 12:55 pm
Focusing on applications in 5G, connectivity, radar, and more, leading experts in radio frequency integrated circuit (RFIC) design provide a comprehensive treatment of cutting-edge physical-layer ...
- IEEE Kiyo Tomiyasu Award Recipientson April 15, 2018 at 4:34 am
This presents exciting opportunities for full-duplex radio communications ... interconnects, circuits, and design methods for overcoming power, thermal, and other fundamental challenges in both ...
via Bing News