Multiple Chip Architectures Pursue the $14 Billion Small Cell Market
Mobile data usage nearly doubles each year, but mobile operators cannot increase expenditures at that rate. At the same time, data rates (a key metric of perceived quality) are affected by the proximity of a device to a cell. These two realities make the use of small cells necessary creating a battleground as multiple chip architectures are in pursuit of the small cell market For SoC vendors, the battle is worth waging. New NPD In-Stat (www.in-stat.com) research forecasts that there will be 160.3 million active small cells, and the retail value of small cell shipments will reach $14 billion by 2015.
"Small cells cover areas where macrocells would be overkill and are essential to the success of heterogeneous networking (HetNet), the term used to describe modern cellular infrastructure architecture," says Chris Kissel, Senior Analyst. "HetNet is the practice of integrating small cells, distributed antenna systems (DAS), and Wi-Fi with existing cellular infrastructure to create the best environment for signaling integrity, optimal uplink and downlink capacities, and low latencies."
Small cells include femtocells that serve as few as 4 users and have an effective range of 15-50 meters (typically used in residences and small enterprises); picocells, used to provide coverage indoors and outdoors for up to 100 users; and microcells, used to support as many as 1,000 users and have an effective range of 2-3 kilometers.
Currently, there are five approaches being used to power small cells, built around different SoC platforms:
- MIPS cores are being used in residential femtocells, like
those made by Broadcom and Cavium.
- SoC vendors are adapting existing mobile processors to meet
the needs of femtocells. Qualcomm's Femtocell Station Modem (FSM)
is based on its Snapdragon platform, while Intel, in partnership
with Ubiquisys, is developing Edge Cloud local cache processing
using Atom cores.
- ARM processors are also being used by several SoC providers:
DesignArt, Mindspeed, Picochip (acquired by Mindspeed), and Texas
Instruments are using ARM processors in combination with DSPs in
their chipset designs.
- x86 processors have had limited use in microcells and could
become important in picocells. As HSPA and LTE platforms evolve
into LTE-Advanced, greater computational power will be needed to
process packets and signals over larger spectrum channels, which
could be an opening for this architecture.
- IBM's Power Architecture is an emerging platform in the small
cell market; Freescale has been the most vocal proponent.
- Naturally, it will not be the SoC vendors that ultimately determine who wins in the small cell silicon market. Mobile operators and MSOs will select products based on price, performance, and compatibility. The real wizardry will come from SoC suppliers trying to convince device manufacturers that their platforms are best.
This Market Alert is drawn from the In-Stat research, Femtocells and Small Cells: Making the Most of Megahertz (#IN1104896GW), which provides a comprehensive review of which small cells serve best in a variety of coverage scenarios and includes five-year forecasts and analyses of shipment numbers, installed base, and the value of equipment in small cells. Breakouts and profiles are provided:
- Forecasts by region, airlink, and mode
- Forecasts by device type: femtocell, enterprise femtocell, indoor picocell, outdoor metro picocell, and microcell
- Current small cell deployments categorized by region and small cell type
- A silicon BOM for Class1 femtocells for the years 2009-2015
- Profiles of the leading device manufacturers, chipset providers, and other ecosystem providers in small cells including AirHop Communications, Airspan, Airvana, AirWalk Communications, Alcatel-Lucent, BelAir Networks, Broadcom, Cavium, Cisco, Cognovo, CommScope, Contela, DesignArt, Ericsson, Freescale, Huawei, Intel, ip.access, Juni, Mindspeed, NEC, Nokia Siemens Networks, Picochip, Powerwave, Qualcomm, Taqua, Samsung, Texas Instruments, Ubiquisys, Wazco, and ZTE.
This research is part of In-Stat's LTE & Cellular Infrastructure service, which provides analysis and forecasts of the market for wireless broadband and communication infrastructure equipment and components, including backhaul; macro, micro, pico, and femtocell base stations, and associated semiconductors.
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