For low cost, high volume products, system-on-package (SoP) design is actually now an absolute requirement. Accordingly, antennas are increasingly realized as an integral part of the electronic chip package, as opposed to on the chip itself or as a stand-alone entity. Degradations associated with lossy substrates and interconnects, impedance mismatch, integration with transceiver electronics and proximity of nearby materials are severe. This paper presents the design of a tapered slot antenna, known as a balanced antipodal Vivaldi antenna, and is seen to be a promising candidate for 60 GHz wireless communications.Īt millimeter-wave frequencies, antenna efficiency is paramount. These systems will require the development of antenna array technology with beam scanning capability, since high-gain (narrow beam) patterns that can be steered to track mobile devices, or change shape to reduce interference will be needed.
Serious consideration is being given to the 60 GHz Industrial, Scientific, and Medical (ISM) band by the Wireless Gigabit Alliance (WiGig) (now subsumed by the Wi-Fi Alliance) to develop and promote the adoption of multi-gigabit speed wireless communication technology based on the IEEE 802.11ad protocol, and by industry involved in developing fifth generation (5G) communication systems. However, this is not considered sufficient to meet the growing demand, and higher frequency bands will also need to be adopted.
The more efficient use of spectrum and the use of smaller cells will help increase capacity within the frequency bands that are currently allocated to mobile wireless communications.
#Vivaldi antenna portable
The proliferation of portable devices such as smart phones, tablets, and laptops has resulted in an increased demand for mobile broadband wireless, and with the expected growth in the Internet of Things and Machine-to-Machine communications, this increase is expected to exceed the current available capacity.
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