By Nick Flaherty www.flaherty.co.uk
The Taqua W2600 NLOS Backhaul System provides wireless carriers an alternative that is small and highly flexible through its NLOS deployment architecture based on MIMO and OFDM using the widely available and inexpensive licensed TDD spectrum to provide 40 to 60Mbit/s of backhaul in the first generation. The W2600 will allow operators the flexibility to quickly create a dense deployment of a variety of outdoor small cell sites to meet the expectations of a rapidly growing, data intensive customer base.
As wireless users continue to migrate to more and more data intensive smart phones and computing devices, cell sites are reaching their capacity and impeding the delivery of a true wireless broadband experience. These increased data demands are especially prominent in urban and suburban environments. To meet these demands, Wireless carriers throughout the world are looking at large scale deployments of small outdoor cell sites (picocells, metro femtocells, outdoor femtocells, WiFi hotspots, etc.) to deliver the needed capacity increases. While small cell sites are readily available, their deployment has been limited by the exorbitant cost of implementing existing backhaul technologies – fibre and microwave. Both of these solutions provide high capacity backhaul however, they are often too costly to implement or not available in urban and suburban deployments.
The Taqua W2600 NLOS Backhaul System is the first in a series of small cell site backhaul products that will utilize the underused, inexpensive licensed TDD spectrum. Deployed in clusters of two to four, each small cell site is connected to the Taqua Remote Backhaul Module (RBM) via a standard Ethernet connection. Each of the RBMs utilizes initially the 2.5 or 2.6 GHz TDD spectrum to backhaul wireless data traffic to a Taqua Hub Backhaul Module (HBM), though other frequencies can be supported in the future. The HBM connects via wired Ethernet to the carrier’s existing network and can be located at a macro site or anywhere connectivity is available. Hundreds of clusters can be deployed as a “network”, managed by a single user interface system, which manages the elements and interference problems within the network. Each HBM will enable 40 to 60 Mbps bandwidth in release 1.0, with a planned roadmap to increased bandwidth up to hundreds of Mbps in the future.
“Mobile backhaul is a significant challenge for carriers worldwide--those operators supporting smartphones and mobile data cards now see what may be the tip of the iceberg of data demands and the effect on their network and more importantly their subscribers’ experience,” siad Michael Howard, co-founder and principal analyst at Infonetics Research. “Data/video intensive applications are the wireless network’s future, and reliably and consistently increasing data rates have become critical. Cell splitting and deploying small cell sites is a logical way to accomplish this objective, but existing backhaul technologies are not feasible in many urban settings. We believe Taqua’s wireless NLOS backhaul technology can help solve this issue for dense deployments of small cell sites.”The Taqua W2600 can be used in conjunction with any standards based small cell site -- picocells, outdoor femtocells, and WiFi hotspots. The systems are easy to install with flexible deployment options for wall or pole mounting on light or utility poles. Using advanced inference management and Self Optimizing Network (SON) techniques, the Taqua W2600 maximizes throughput within urban and suburban environments to ultimately help deliver a true wireless broadband experience to the operator’s end-user subscribers.
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