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Motorola’s OFDM Point-to-Point IP Solutions Can Resolve Challenging Connectivity, Application Issues

By Tom Gruba

Senior Director of Marketing

Wireless Broadband Products

Motorola Networks and Enterprise

Resellers have a demanding role in trying to meet all the needs and requirements of their customers.  Wireless technologies may finally be catching up to supply cost-effective broadband to support those needy applications.

Today’s golden egg may be OFDM (Orthogonal Frequency Division Multiplexing) point—to-point wireless broadband technology.  Resellers are finding that OFDM point-to-point links can effectively address challenging customer requirements and applications, such as voice over Internet protocol (VoIP), video, gaming and near-and non-line-of-sight deployments.

Motorola, with the recently announced purchase of Orthogon Systems, will be a world leading OFDM point-to-point portfolio vendor.  Motorola’s Canopy® OFDM radios are part of the company’s MOTOwi4™ portfolio and are designed for service provider or enterprise network operators.  MOTOwi4 is a comprehensive portfolio of innovative wireless broadband solutions and services that create, complement and complete IP networks.

Resellers are finding that OFDM point-to-point solutions can deliver proven, cost-effective, secure, carrier-grade broadband access exactly when and where it is needed for both public and private networks.  Service providers, enterprises, municipalities, education and health care campuses all require Internet protocol (IP) connectivity to serve the needs of their customers, staff or community.

Benefits to the reseller include new revenue generation, new customers, as well as cost reduction.  In addition, their customers or end users are experiencing enhanced performance, higher bandwidth and carrier-grade reliability.  It’s a veritable win-win solution.

For example, Scotland-based Scot-Tel Ltd. (www.scot-tel.com) has been able to increase its company’s revenues by offering customers the Canopy OFDM point-to-point solution.  Besides the wireless broadband technology, Scot-Tel offers value-add services, such as installation, maintenance, telephone and on-site support.

“Our experience has led to the conclusion that there is no other radio in the 5.7 GigaHertz (GHz) band that can compete with Motorola’s Canopy OFDM point-to-point solution,” said Graeme Porteous, Director of Scot-Tel Ltd.  “It is good in non-line-of-sight situations up to 10 kilometers (km).  Very few radios can compete with that.  It’s a strong product,” he said.

Customers can deploy the OFDM point-to-point links as an alternative IP connection when conventional telecom data lines are cost prohibitive to install or when there are topographical or architectural challenges with trenching.

“Many of our customers want VoIP or video conferencing and QoS (quality of service) control.  For these applications and service, they require high quality, symmetrical bandwidth.  The Motorola OFDM point-to-point portfolio enables these capabilities,” Porteous said.

Dan McCarthy, wireless products sales manager for ACAL IT Ltd (www.acal-networks.co.uk) believes one of the main benefits of reselling Motorola OFDM point-to-point links is being able to address a myriad of customer requirements and applications that previously could not be addressed with an affordable solution.  He says it is particularly true for non-line-of-sight environments where one OFDM point-to-point link can be installed where previously it would require two or three links.

McCarthy says Acal Networks, a pan European Motorola distributor of MOTOwi4 products, also is seeing a higher demand in replacing E1 lines.  Acal customers are experiencing a fairly quick return on their investments with few additional costs after the initial deployment.  “All this is very good for the reseller,” McCarthy said.  “And it allows the operator to own the link outright.”

Another attribute of Motorola’s OFDM portfolio is high bandwidth, up to 300 Megabits per second (Mbps), allowing customers to avoid spectrum license fees or recurring E1 leased line costs.

Motorola’s Canopy OFDM Portfolio

Part of Motorola’s flexible MOTOwi4 solutions, OFDM point-to-point radios offer non-line-of-sight technology and the highest system gain in their class.  Because these OFDM radios are designed with interference mitigation technology, they perform very well in crowded radio frequency (RF) environments.

The 30/60 Mbps links are available in the 5.7 GHz and 5.4 GHz unlicensed bands, while the 150/300 Mbps links are available in the 5.7 GHz unlicensed band.  Both versions are available with either integrated or connectorized antennas and provide the flexibility to establish challenging links and provide high reliability in line-of-sight, near-line-of-sight situations.  Designed to deploy easily and quickly and for operation in extreme weather conditions, connectivity for disaster recover, for example, can be up and running in a matter of hours.  Motorola’s 150.300 Mbps 5.4 GHz OFDM point-to-point link is currently in development.

With Canopy 30/60 or 150/300 OFDM products, customers have the capacity to overcome what previously were near impossible or marginal situations such as near-line-of-sight up to 50 km (25 miles) and non-line-of-sight up to 10 km (6 miles).

Because of increased throughput, the 30/60 and 150/300 links provide wireless alternatives to remove bottlenecks for much less than typical wire line costs.  The Canopy 30/60 point-to-point radios deliver up to 21/43 Mbps aggregate usable throughput respectively, and the Canopy 150/300 backhaul radios deliver up to 150/300 Mbps in aggregate usable throughput, respectively.

With the OFDM radios, customers have options that can help reduce capital expenditures, operating expenditures, deployment costs and recurring costs associated with the use of leased lines.  Or they can use a link as a backup to critical data connections where the associated lost revenue, for example, truly warrants the minimal investment in having a dedicated backup link.

The Canopy OFDM point-to-point links offer resellers the flexibility to tailor solutions to meet specific customer requirements.  To see how the 30/60 or 150/300 OFDM radios would apply to specific customer conditions, Motorola has developed a Canopy Path Profiler and an OFDM Link Estimator.  The Path Profiler tool can be found at: http://motorola.canopywireless.com/support/linkestimator/. For the Link Estimator, click on http://motorola.canopywireless.com/support home.php/.

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© Motorola, Inc. 2006.