MaxLinear, Inc. a leader in wireless infrastructure silicon solutions, today announced that SOLiD, a leader in cellular in-building mobile coverage, has selected the Sierra single chip Radio SoC for its next generation of Indoor O-RUs. Sierra is a highly integrated SoC optimized for 4G/5G Open Radio Access Network (RAN) radio units (RU).

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“Sierra is an ultimate integration of MaxLinear’s highest performance RF and system technologies”

SOLiD’s Indoor O-RAN RU series is an exciting new product line supporting both NR/LTE/NB-IoT and TDD/FDD. Solid’s O-RAN RUs offer high performance and flexibility in an ultra-compact size and low power consumption footprint enabled by MaxLinear’s Sierra Radio SoC.

Sierra is an innovative Radio SoC that flexibly supports all major RU applications, including traditional macro, massive MIMO, pico, all-in-one small cells, and more. Sierra integrates the following sub-systems into a single chip, providing a complete software-programmable radio signal processing engine for O-RUs:

• RF transceiver supporting up to 8 transmitters, 8 receivers, and 2 feedback receivers
• Digital Front End (DFE), including MaxLIN digital pre-distortion (DPD), crest factor reduction (CFR), and Passive Intermodulation (PIM) cancellation
• Low-PHY baseband processor supporting 5G, 4G, and NB-IoT air interfaces
• O-RAN Alliance Split 7.2x fronthaul interface

“The close collaboration between SOLiD and MaxLinear has dramatically sped up the development of our new 5G O-RUs,” said Vice President Hyun-Chae Kim at SOLiD. “The superior level of system integration and flexibility provided by their Sierra SoC has enabled us to reduce the size and power consumption of our product line, while their technical teams provide us with close support that accelerates our time to market.”

“Sierra is an ultimate integration of MaxLinear’s highest performance RF and system technologies,” said Puneet Sethi, Vice President of MaxLinear’s Wireless Infrastructure BU. “It empowers radio vendors to rapidly and cost effectively develop new platforms with smaller size, lower weight, and higher energy efficiency for Open RAN applications. In this way Sierra is a game-changing innovation that levels the playing field for wireless infrastructure vendors and can dramatically accelerate the global rollout of Open RAN without compromise on network performance or cost.”

The global Open RAN market is growing and is estimated to be worth USD $2.8 billion in 2024 and USD $20.9 billion by 2030, at a Compound Annual Growth Rate (CAGR) of 39.4% during the forecast period, according to the latest Open RAN Market Report from MarketsandMarkets in August 2024.

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Source – Businesswire