A device that enables one electric or optic cable line to be connected to another. Typically used in test labs and controlled by software, the physical layer switch resembles the old telephone ...

This is the second installment of the 802.XX for the IoE series of articles. The first one was published in the August issue and addressed the Media Access Control (MAC) layer. In this article, we ...

Over the past couple of decades, the semiconductor industry has evolved from a supporting role for traditional verticals like mobile, automotive, and PCs to a foundational role in those markets, as ...

LTE defines a number of downlink physical channels to carry information blocks received from the MAC and higher layers. These channels are categorized as transport or control channels. 1- Physical ...

As the mobile and portable device industry began evolving, manufacturers were more or less on their own. Consequently, many technologies and interfaces, usually not well defined and often proprietary ...

Broadcasters have a unique opportunity to satisfy consumers’ desire for the highest possible visual quality while continuing to uphold the public service mission of universal accessibility When you ...

The design of the LTE physical layer (PHY) is heavily influenced by requirements for high peak transmission rate (100 Mbps DL/50 Mbps UL), spectral efficiency, and multiple channel bandwidths (1.25-20 ...