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The 60GHz Wireless Network Infrastructure

The 60GHz Wireless Network Infrastructure

Abstract

The widespread availability and use of  high definition multimedia content has created a need for faster wireless connectivity that currently available commercial standards have  not been able to deliver. The consumers have more digital infotainment choices than ever before, but at the expense of ever increasing network bandwidth and data transfer demands. FCC has made available 7 GHz (57  – 64GHz) of unlicensed bandwidth in the 60GHz band providing potential for data rates of several Gigabits/s.  The unique propagation characteristics of the 60GHz band is ideally suited for deployment of gigabit wireless systems to provide  secure,  short range wireless links with high bandwidth and  multi gigabit  data rates. The small wavelengths at 60GHz enable the design of sophisticated interfaces with very small form factors and the  semiconductor technology has also advanced to  enable the design of semiconductor packages that embed the antenna directly within it.
In this technical paper  the market  challenges in the wireless infrastructure,  the 60GHz wireless band and  its properties,  the benefits of the 60GHz band, the various standardization efforts and the safety concerns  for devices operating in the 60GHz band are discussed

Excerpts from the Paper
The potential candidate to address the issues of short distance, secure and high bandwidth communication are the mmWaves.mmWaves can be classified as electromagnetic spectrum that spans between 30GHz to 300GHz, which corresponds to wavelengths from 10mm to 1mm. In this paper, the deliberations are specifically on 60GHz radio (unless otherwise specified, the terms 60GHz and mmWave can be used interchangeably), which has emerged as one of the most promising candidates for multigigabit wireless communication systems. There have been several research initiatives  taken to study and facilitate the commercialization of the 60GHz technology. In 2001, FCC allocated 7GHz in the  57–64 GHz band for unlicensed use. This along with the advances in the wireless communication technologies has once again rekindled the  interest to explore this band for the P2P communication, which was once perceived to be expensive. The immediately seen opportunities in this particular region of spectrum include next-generation WPANs, WLANs and fixed wireless. 

The mmWave technology can provide a global wireless ecosystem of interoperable, high performance devices that work together seamlessly to connect people in the digital age. It could bring together a huge range of computing, entertainment and communication devices. It can be used to seamlessly transmit uncompressed HD videos  to provide a good user experience for infotainment and gaming solutions consumers. Signals in this band don't travel very far. The atmospheric oxygen readily absorbs 60GHz signals and attenuates (15dB/km) them within a short distance of their source. mmWaves are attenuated by obstacles like glass and Wall which adds further restriction to the usage on the contrary it means that it can be used for high bandwidth short distance secure communication.

 

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