Development of "high-speed wireless transmission technology in equipment" that brings down transmission speed 11 Gbps, Sony's downsizing and cost reduction of electronic equipment

Sony today can transmit data at high speed without using electric wiring inside electronic equipment "High speed wireless transmission technology in equipmentWe announced that we have developed.

With this technology, it becomes possible to replace the wiring in the complicated equipment with the wireless transmission, so that downsizing and cost reduction of the board and the IC can be realized, and downsizing of the mounted equipment, cost reduction, and reliability It is said that it can contribute to tendency.

Details are as below.
Sony Japan | Press Releases | World's First Millimeter Wave Develops "High-Speed ​​Wireless Transmission Technology in Equipment"

According to this release, Sony can replace complicated wires in electronic equipment with wireless transmission using radio waves called "millimeter waves" with a frequency of 30 to 300 gigahertz and a wavelength of 1 to 10 mm "equipment It is said that he developed innovative wireless transmission technology.

In-device high-speed wireless transmission technology applied high-frequency technology that Sony has cultivated over many years in product development in communication and broadcasting fields, and has developed a millimeter wave transmission circuit with a small area (0.13 square mm) with low power consumption (70 mW) It is mounted on 40 nm CMOS-LSI and achieves high-speed transmission of 11 Gbps at a distance of 14 mm.

By the way, since the number "11 Gbps" can be calculated as 1.375 GB per second, it means that it is possible to transmit more than one DVD (4.7 GB) of data in about 4 seconds.

This is a block diagram of "in-device high speed wireless transmission technology". Wiring is unnecessary by transferring data using millimeter waves


In recent years, along with the high performance of electronic devices, problems such as an increase in the number of wirings, an increase in the IC size, and a complication of wiring boards have become a problem in order to cope with the increasing amount of data transmission in the devices However, replacing electrical wiring with high-speed wireless transmission using millimeter waves can contribute to miniaturization and cost reduction of on-board equipment. In addition, it seems that it is also possible to improve the reliability of movable parts and detachable parts by making full use of the features of non-contact transmission.

Although the technology developed this time realized a transmission distance of 14 mm using a small antenna of about 1 mm, if it is possible to extend it to about 50 mm by using a highly directional antenna It is being done.