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Monday, March 19, 2012
Panasonic Develops 1-watt Chipset for Multi-gigabit Millimeter Wave Wireless Communications


Panasonic has managed to keep the power consumption of its new multi-gigabit millimeter wave wireless communication chipset down to 1 Watt, by employing a new baseband processing architecture.

The new chipset will enable interactive communication between various kinds of devices supporting the specification developed by the WiGig Alliance. Panasonic had previously developed fundamental CMOS circuit technologies for 60 GHz transceiver and modem signal processing circuits, but now an additional radio packet processing block has been integrated as a key block of the chipset.

The chipset can be embedded into mobile devices, such as smartphones, which require less than 1-Watt power consumption. This technology enables the transfer a 30 minute-long compressed high-definition video content to mobile devices within 10 seconds. It also allows the streaming of latency-free high-definition video (for example, instant high-definition display updates in response to user controls on mobile devices) directly from a mobile device onto a big screen TV with real-time performance that surpasses any of the existing technologies today.

With regard to high-speed wireless communication for mobile devices, there is presently no practical solution except for the wireless LAN technology that operates in the 2.4 GHz and 5 GHz frequency bands. In the case of 60 GHz high-speed wireless communication devices, the band range has been employed only by stationary devices, not mobile devices, because wider frequency bands require more power and wider chip surface. Panasonic has already developed the basic 60 GHz band radio technologies for mobile devices.

The newly developed chipset consists of a 60 GHz transceiver LSI, and a baseband processing LSI with Media Access Control (MAC) packet processing capability. Even when operating at a high data rate of 2.5 Gigabits per second, the chipset consumes less than 1-Watt of power.

The transceiver LSI size is reduced by more than 50%, compared to the transceiver LSI Panasonic developed earlier, while supporting 9 GHz bandwidth which is allocated as unlicensed spectrum in Japan and Europe in the 60 GHz frequency band.

The development of the chipset was part of the "research and development project for expansion of radio spectrum resources" of The Ministry of Internal Affairs and Communications, Japan.


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