Power Amp Wars Begin For 5G


Demand is increasing for power amplifier chips and other RF devices for 5G base stations, setting the stage for a showdown among different companies and technologies. The power amplifier device is a key component that boosts the RF power signals in base stations. It's based on two competitive technologies, silicon-based LDMOS or RF gallium nitride (GaN). GaN, a III-V technology, outperforms ... » read more

Huawei: 5G Is About Capacity, Not Speed


Paul Scanlan, CTO of the Huawei Carrier Business Group in Huawei Technologies, sat down with Semiconductor Engineering to talk about 5G, which use cases are attractive and why, and how that compares with previous wireless technologies. SE: Where are you seeing 5G, and how do you see this rolling out both for sub-6GHz and millimeter wave? Scanlan: 5G is a platform for transformation. The f... » read more

What’s After 5G


This year’s IEEE Symposia on VLSI Technology and Circuits (VLSI 2020) included a presentation by NTT Docomo that looked far into the future of cellular communications, setting the stage for a broad industry shift in communication. This is far from trivial. 5G only just recently entered the commercial world, and — especially with the higher millimeter-wave (mmWave) frequencies — it has ... » read more

How To Design User Equipment Antenna Systems For 5G Wireless Networks


Next-generation cellular wireless communications will enable numerous innovative, cutting-edge technologies and products. The combination of millimeter-wave (mm-wave) and microwave bands accompanied by advanced spatial multiplexing techniques such as massive multiple-input multiple-output (MIMO) will form the backbone of a new cellular technology called 5G. The evolution to 5G promises low late... » read more

Ensuring A 5G Design Is Viable


Ron Squiers, network solutions specialist at Mentor, a Siemens Business, explains what’s different in 5G chips versus 4G, how to construct a front haul and back haul system so it is testable in the network stack. » read more

Issues In Designing 5G Beamforming Antennas


As 5G networking inches closer to reality, one of the more stubborn problems also will be one of the smallest. Several issues have yet to be cracked with beamforming and massive MIMO antennas, which will make millimeter wave (mmWave) spectrum—a key ingredient in 5G networks—work on multiple devices and base-station locations. Millimeter wave is problematic yet promising. Between bands 30... » read more

Kumu Networks: Full Duplex on One Channel


Kumu Networks is in an enviable position fitting today’s requirements for radio-frequency system designs. The Sunnyvale, Calif., startup, incorporated in 2011 and coming together the following year, has developed self-interference cancellation technology, enabling radios to send and receive signals at the same time on the same channel or on an adjacent channel. This full-duplex technology has... » read more

5G Test And Deployment


Advantest’s Adrian Kwan talks about 5G test, how it will change as the wireless technology evolves toward higher frequency signals, and what happens when many more users and backward compatibility are added to the network. https://youtu.be/x_-3yX7fWak » read more

Will 5G Deployment Lag in the U.S.?


China and other countries are creating “a 5G tsunami” that the U.S. will not be able to match unless it steps up its national investments in 5G cellular communications, Deloitte Consulting warns in a new report. The firm notes that China has outspent the U.S. on wireless communications infrastructure by $57 billion since 2015, constructing 350,000 new sites, compared with less than 2... » read more

Software-Defined Test And Measurement


Software-defined radios, instrumentation and test are ramping up alongside a flood of new technologies related to assisted and autonomous vehicles, 5G, and military/aerospace electronics, breathing new life and significant change into the test and measurement market. Software-defined test adds flexibility in markets where the products and protocols are evolving or still being defined, and wh... » read more

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