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<p><img class="size-full wp-image-2531 alignleft" title="ZTE Technologies" src="http://www.interdigital.com/wp-content/uploads/2012/08/ZTE-Technologies.jpg" alt="" width="150" height="95" />The demand for wireless data has been driving network capacity to more than double about every two years for at least the last 50 years, if not 100 years, and has come to be known as Cooper&rsquo;s Law. This trend is expected to continue for at least the next decade and has even accelerated in recent years as a greater proportion of the population adopts wireless devices with ever greater capabilities such as tablets supporting HD video. To meet this demand, more spectrum has been added and spectral efficiency has improved, but spectrum re-use has been by far the most popular means to add network capacity, i.e., small cells. The shorter link distances that come with smaller cells combined with recent advances in millimeter wave transceivers and antennas, open the door for the use of millimeter wave spectrum in cellular systems. The huge bandwidths available and high directivity of antennas at millimeter wave frequencies offer the potential for greatly increasing network capacity without cell sizes becoming impractically small, but there are also great challenges.</p>
<p>InterDigital&rsquo;s Phil Pietraski, a recognized expert in advanced wireless technologies, was selected to be the guest editor for a special issue of ZTE Communications that seeks original articles describing development, relevant trends, challenges, and current practices in the field of millimeter wave communications for cellular systems.</p>
<p><strong>Publication date: </strong>December 2012</p>
<p><a target="_blank">ZTE Communications</a> is a quarterly peer‐reviewed technical journal that is edited, published and distributed by ZTE Corporation.&nbsp; The journal focuses on hot topics and cutting edge technologies in the telecom industry. ZTE Communications is distributed to telecom operators, science and technology research institutes, and colleges and universities in more than 140 countries.</p>