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屋外のスモールセルの大きな問題点は、スモールセルネットワーク配備の需要を満たすために設計された、柔軟に対応できる手頃な価格のバックホールソリューションが有効であるかどうかだと、多くのベンダは考えている。バックホールに関していえば、すべての技術について解決できる一つのソリューションはない。様々なバックホール技術には、それぞれ良い点と悪い点がある。ソリューションや製品をスモールセルに最適化し、適切なシナリオを作るのは、バックホールインフラ接続ベンダの責務である。この調査レポートは、様々なタイプのスモールセルバックホール技術について、スモールセルのアーキテクチャがいかにバックホール機器コストを削減し、どのような種類のバックホール技術が様々なシナリオに最適であり、それはなぜかについて論議している。2011年から2016年のバックホールタイプ毎のスモールセルバックホールの予測も行っている。

One of the key issues that many vendors see as a major barrier for outdoor small cells is the availability of an affordable, flexible backhaul solution that is tailored to address the needs of a small cell network deployment. When it comes to backhaul, there is no ‘one solution fits all’ technology. Every different type of backhaul technology has its pros and cons. It is up to backhaul infrastructure access vendors to tailor their solutions and products to best fit small cells, and the scenarios where they would be relevant. This study discusses various types of small cell backhaul technologies, how small cell architecture is leveraged to reduce backhaul equipment costs, what kinds of backhaul technologies fit different scenarios, and why. Forecasts include a breakdown of small cell backhaul links by backhaul type for 2011 and 2016.

What Questions Does This Report Answer?

• What kinds of small cell backhaul are available?
• What advantages does one solution have over another solution?
• Where can I deploy these solutions easily and where can I not?
• When are these solutions going to be available?
• Why is a certain backhaul technology preferred in one region over another?
• How does this translate to savings in my network?
• What trends can I see regionally, in terms of backhaul tendencies?

Who Needs This Report?

• Backhaul vendors
• Infrastructure vendors
• Carriers

Small Cell Backhaul to Shift Away from Copper and Fiber toward Wireless Backhaul

LONDON - September 22, 2011
While outdoor small cells have received a lot of attention lately, small cell backhaul has yet to see the spotlight. The reason has been twofold – first, there hasn’t been any significant outdoor small cell deployment yet, and second, operators are still in the process of trialing and testing small cell backhaul technologies, especially the newer contenders.

Due to its unique characteristics, there are numerous considerations that need to be taken into account for a small cell backhaul solution. These include product footprint, range, cost, Ethernet/IP support, and capacity. By 2016, an estimated 58% of outdoor small cells will be backhauled using wireless techniques.

While fiber, copper, and traditional microwave are currently being used to backhaul rooftop micro base stations, the emergence of wireless technologies like NLOS OFDM (sub 6 GHz), MMW (60-80 GHz) and also Wi-Fi backhaul solutions are likely to find preference due to their flexibility, low cost and ability to use point-to-multipoint (PMP) and point-to-point (PTP) techniques to backhaul clusters or rows of small cells.

“Small cell backhaul space is still in its early days, with a number of small vendors positioning their solutions, especially on the wireless backhaul side,” says Aditya Kaul, practice director, mobile networks. “While the majority of small cell backhaul activity is concentrated in OFDM NLOS sub 6 GHz and to some extent in the MMW 60-80 GHz space, the cost of these solutions will need to come down to allow operators to make a favorable small cell business case.”

ABI Research’s new study “Mobile Backhaul for Small Cells” discusses various types of small cell backhaul technologies, how small cell architecture is leveraged to reduce backhaul equipment costs, what kinds of backhaul technologies fit different scenarios, and why. Forecasts include a breakdown of small cell backhaul links by backhaul type for 2011 and 2016.

It is part of the Femtocell and Small Cell Research Service, which includes other Research Reports, Market Data, ABI Insights, Vendor Matrices, and Research Surveys.