- Highly integrated Radio System on Chip (SoC) accelerates the
development of Open RAN radio units (O-RUs) with lower size,
weight, power, cooling, and cost
MaxLinear, Inc. (Nasdaq: MXL), 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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the full release here:
https://www.businesswire.com/news/home/20250227662488/en/
SOLiD selects MaxLinear's Sierra Radio
SoC for Next-Gen 5G Open Radio Access Network Radio Units.
(Graphic: Business Wire)
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.
About MaxLinear’s Sierra Radio SoC Solution
Sierra’s RF transceiver uses a low-power wide-band Zero-IF (ZIF)
architecture and supports 8 transmitters (TX) and 8 receivers (RX)
with 2 feedback receivers (FBRX). Each RX supports wide signal
bandwidths up to 400MHz and each TX and FBRX supports signal
bandwidths up to 900MHz. It can operate in 8T8R single-band or 2 x
4T4R multi-band configurations.
The DFE integrates DPD, CFR, PIM cancellation, digital up
conversion (DUC), and digital down conversion (DDC) blocks.
MaxLinear's proprietary DPD/CFR technology, MaxLIN™, linearizes
power amplifiers (PA) up to 400MHz of occupied bandwidth and
dramatically improves PA energy efficiency while meeting spectral
emission masks with margin. The PIMC block cancels passive
intermodulation products in the uplink paths to improve receiver
sensitivity and relax the specification of expensive RF filters.
The DUC/DDC supports up to eight component carriers per transmit
and receive path.
The Low-PHY baseband processor supports 4G, 5G, and NB-IoT air
interfaces, including uplink PRACH processing. It can process up to
eight component carriers (CC) per transmit and receive path and it
is software configurable for different modes and parameters
including dynamic spectrum sharing (DSS), bandwidth parts, mixed
numerology, and windowing.
Sierra supports an O-RAN fronthaul Split Option 7.2x Category A
interface with up to four 10 or 25Gbit/s Ethernet interfaces.
Sierra integrates an embedded CPU for system control. The CPU is
an integrated quad-core Arm® A53 processor with Neon™ extensions.
Each Arm® core has 1MB of internal SRAM and has access to an
additional 8GB of external DRAM through a DDR controller.
For more information on the Sierra RF Radio SoC or MaxLIN DPD
linearization technology, visit:
- www.maxlinear.com/sierra
- www.maxlinear.com/maxlin
SOLiD’s latest indoor radio unit, powered by Sierra, will be on
display in MaxLinear’s meeting room 2L8MR during the MWC 2025 trade
show in the Fira Gran Via, Barcelona from Monday, March 3 to
Thursday, March 6.
About MaxLinear, Inc.
MaxLinear, Inc. (Nasdaq: MXL) is a leading provider of radio
frequency (RF), analog, digital, and mixed-signal integrated
circuits for access and connectivity, wired and wireless
infrastructure, and industrial and multimarket applications.
MaxLinear is headquartered in Carlsbad, California. For more
information, please visit https://www.maxlinear.com/.
MaxLinear, the MaxLinear logo, any other MaxLinear trademarks
are all property of MaxLinear, Inc. or one of MaxLinear's
subsidiaries in the U.S.A. and other countries. All rights
reserved.
All third-party marks and logos are trademarks or registered
trademarks of their respective holders/owners.
About SOLiD
SOLiD enables indoor and outdoor cellular at many of the world's
best-known and most challenging venues — from the busiest airports
and subways to Fortune 500 corporate buildings, hospitals, hotels,
universities, sports venues, government, industrial, and logistics
facilities. SOLiD continuously innovates to deliver best-in-class
connectivity solutions that scale to every need. For more
information, visit www.solid.com/us.
Cautionary Note About Forward-Looking Statements
This press release contains “forward-looking” statements within
the meaning of federal securities laws. Forward-looking statements
include, among others, statements concerning or implying future
financial performance, anticipated product performance and
functionality of our products or products incorporating our
products, and industry trends and growth opportunities affecting
MaxLinear, in particular statements relating to the partnership
between MaxLinear and SOLiD, statements relating to MaxLinear’s
Sierra, O-RAN RUs or MaxLIN solutions, including but not limited
to, with respect to anticipated growth in the potential market
opportunities for the Open RAN market, and the functionality,
performance and the benefits of use of such products, and
statements by MaxLinear’s Vice President of Wireless Infrastructure
BU. These forward-looking statements involve known and unknown
risks, uncertainties, and other factors that may cause actual
results to differ materially from any future results expressed or
implied by these forward-looking statements. We cannot predict
whether or to what extent these new and existing products will
affect our future revenues or financial performance.
Forward-looking statements are based on management’s current,
preliminary expectations and are subject to various risks and
uncertainties that could cause actual results to differ materially
from those described in the forward-looking statements.
Forward-looking statements may contain words such as “will be,”
“will,” “expected,” “anticipate,” “continue,” or similar
expressions and include the assumptions that underlie such
statements. The following factors, among others, could cause actual
results to differ materially from those described in the
forward-looking statements: risks relating to the partnership
between MaxLinear and SOLiD, risks relating to the development,
testing, and commercial introduction of new products and product
functionalities; risks relating to our terminated merger with
Silicon Motion and related arbitration and class action complaint
and the risks related to potential payment of damages; the effect
of intense and increasing competition; impacts of global economic
conditions; the cyclical nature of the semiconductor industry; a
significant variance in our operating results and impact on
volatility in our stock price, and our ability to sustain our
current level of revenue, which has previously declined, and/or
manage future growth effectively, and the impact of excess
inventory in the channel on our customers’ expected demand for
certain of our products and on our revenue; the geopolitical and
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Market Information
This press release contains statistical data, estimates, and
forecasts that are based on independent industry publications or
other publicly available information. This information involves
many assumptions and limitations, and you are cautioned not to give
undue weight to such information. We have not independently
verified the accuracy or completeness of the information contained
in the industry publications and other publicly available
information. Accordingly, we make no representations as to the
accuracy or completeness of that information nor do we undertake to
update such information after the date of this press release.
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version on businesswire.com: https://www.businesswire.com/news/home/20250227662488/en/
MaxLinear, Inc. Press Contact: Debbie Brandenburg Sr.
Marketing Communications Manager Tel: +1 669.265.6083
dbrandenburg@maxlinear.com
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