Antennas and Next Generation Mobile Communication Systems
A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".
Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 12011
Special Issue Editor
Special Issue Information
Dear Colleagues,
New Radio (NR) is eagerly expected as the solution for current wireless communications demands, aiming to provide fast throughput and low latency, with a significant improvement in user’s quality of service (QoS) and quality of experience (QoE). With the initial deployments in place and the first 5G smartphones in the market, the primary concern is the need to satisfy the exponential rise in user and traffic capacity in mobile broadband communications. Global mobile traffic will experience a growth from 7201 petabytes per month in 2016 to around 48,270 petabytes per month in 2021, an astonishing 670% growth. NR is also expected to handle an enormous number of devices connected to IP networks, some three times as high as the global population in 2021, increasing from 2.3 networked devices per capita in 2016 to 3.5 by 2021. To add complexity, a perceived availability of 99.999% and ultra-reliability are also envisioned as key features of 5G.
Although still limited to single-cell use cases and with many deployments restricted to TDD Sub-6 GHz frequency bands, there is a tremendous pressure on carriers for full 5G deployment wherein base station and device performance prediction represent key factors when determining the success ratios of the new technology. The realistic answers that a 5G OTA test system should provide are far from being obtained to date, and simple yet-to-be-determined key performance indicators (KPIs) need to be developed, and fast. One clear example is beamforming, an essential feature of 5G. How can effective beamforming be predicted for a device using a simple pass/fail criteria over a specific KPI? The answer is not simple, since the problem is complex. In this Special Issue, novel key performance indicators for 5G mobile communications will be presented, as well as challenges ahead with possible solutions identified. Topics like massive MIMO evaluation, effective OTA test methods, realistic use of mmWave frequencies, or latency-related aspects will also be important topics to be tackled in this Issue.
Dr. David A. Sánchez-Hernádez
Guest Editor
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Keywords
- massive MIMO
- OTA
- 5G
- key performance indicators
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