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IEEE ComSoc Technology News (#IEEECTN) is closely watching the top 10 communications technology trends that will be making headlines in 2015. Here is a topic thumbnail of how these trends are shaping our industry, and what to expect in 2015 and beyond.
As the next step in the continuous innovation and evolution of the mobile industry, 5G will not only be about a new air interface with faster speeds, but it will also address network congestion, energy efficiency, cost, reliability, and connection to billions of people and devices. In 2014 we heard of new antenna/RF technologies (Massive MIMO, wider bandwidths), proposed deployment of small cells in higher mmWave frequencies, shorter transmission time intervals, reduced latency, and possibly new modulation methods beyond OFDM. With a 2020 commercialization horizon, 2015 be the year when we move from these concepts to technology trials and standards development. And we shall see if/how this year’s ITU World Radio Conference (WRC-15) tackles 5G’s spectrum aspects.
2. FIBER EVERYWHERE
2014 was the year of “fiber everywhere” propelled by efforts to improve connectivity and address demand increases from the use of high definition video, 3G/4G, streaming, podcast and other broadband services. This increased demand exposed existing bottlenecks in the communications infrastructure, and the solution that the doctor prescribed was a fresh new round of investments and activity in fiber (FTTx). In developed markets, FTTH/FTTC dominated deployments, and will continue to do so into 2015. In the backbone network, Carrier Ethernet is well underway and it will continue to make inroads towards 100/400G switching hardware deployments, and around Tb/s of bandwidth.
3. VIRTUALIZATION, SDN & NFV
The “software-ization” of Telco continued throughout 2014. The year saw open source going main stream with the news that Midokura and Microsoft, the last two major players with closed source solutions, released their source code and went open. In 2015, the adoption of OpenStack, OpenDaylight, OpNFV for software and services, and Open Compute for hardware will support more virtualized, more open source network computing platforms and architecture.
4. EVERYWHERE CONNECTIVITY FOR IoT & IoE
Over the last year we have seen heightened interest in the Internet of Things (IoT) and of Everything (IoE) including several acquisitions by major players such as Google’s purchase of Nest Labs for $3.2 billion. Bob Metcalfe, inventor of the Ethernet, said that the power of a network increases proportionally by the square of the number of users (Metcalfe's Law) which puts IoT –forecasted to be 50 billion connections by 2020- in a powerful and strategic position. The challenge that IoT faces is that everything sits in isolation thus an IoT standard is a must, and many see this happening in 2015.
5. COGNITIVE NETWORKS, BIG DATA
Communication systems handle volumes of data generated by embedded devices, mobile users, enterprises, contextual information, network protocols, location information and such. It is a vast amount of information: A global IP backbone generates over 20 billion records per day, amounting to over 1 TB per day! Processing and analyzing this “big data” and presenting insights in a timely fashion are becoming a reality with advanced analytics to understand the environment, to interpret events, and to act on them. This is a positive development that helps unleash the intelligence in communication systems where networks are no longer labeled “dumb pipes” but as smart cognitive networks.
2014 was most remarkable for demonstrating that everything connected to the Internet can, and will be hacked. On daily basis we heard of retailers (Target, Home Depot, Neiman Marcus), financial institutions (Chase), technology companies (Snapchat, eBay, Sony) being hacked. No one is cyber-safe, and the road to the future leads through new cybersecurity technologies beyond current perimeter firewall-like defenses. The coming year will bring significant changes in the industry as it responds to recent increases and sophistication of cyberattacks. We will see better solutions to protect devices and endpoints, advances in the default use of encryption, in authentication schemes, and in BYOD solutions.
7. GREEN COMMUNICATIONS
It is being reported that communications technologies are responsible for about 2-4% of all of carbon footprint generated by human activity. This highlights the need to focus on managing these numbers, and Green communications is doing just that. The trend is tackling first mobile networks because of their high energy use. Basestations and switching centers could count for between 60% and 85% of the energy used by an entire communication system. Environmentally friendly batteries, renewable energy sources, and intelligent management of the power systems are some of the proposed solutions. Besides this mobile network focus, there is a 2015 and beyond trend to manage total energy usage, compute-to-consumption ratios and performance KPIs for best in class green operations.
8. SMARTER SMARTPHONES, CONNECTED SENSORS
The indisputable rock-start of devices is the smartphone, and its future can’t be brighter. In 2014 we saw that only a few days after the iPhone 6 was released, there are already articles being written about the next-generation iPhone 7. Size, shape, and capabilities of these ubiquitous communication devices continue evolving, and so are prices which, driven by cost and performance improvements in digital technologies, are falling rapidly. The average selling price of a smartphone went down in 2014, and we expect this to continue in 2015 with low-cost OEMs such as Xiaomi and Lenovo leading the trend.
Beyond smartphones, tablets, connected sensors and body-worn wearables will also make headlines. Connected sensors will find their way into vehicles (smartcards), into urban areas (smartcies) and into our infrastructure (smartgrid).
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