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Mar. 20, 2007

Nortel has successfully completed the industry's first live call over a UMB (Ultra Mobile Broadband) network delivering high-definition video and VoIP.

With this clear demonstration, Nortel proves that using MIMO advanced antenna technology in each of the major 4G technologies - WiMAX, Long Term Evolution (LTE), and UMB offers significant advantages to mobile users.

Nortel's UMB call demonstrates the company's ability to deliver a personal wireless broadband experience anywhere and at anytime over 4G networks with high-quality services such as video-conferencing, live video-streaming and VoIP (Voice over IP).

Using Nortel's IP Multimedia Subsystem and UMB technologies, crisp and clear voice conversations can be delivered with other high bandwidth applications running simultaneously on the network.

Voice calls can also be maintained across multiple networks, meaning users can roam from UMB coverage to 2G without interruptions in their conversations using Nortel's VoiceCall Continuity (VCC) based handover.

"Nortel's development of 4G technologies is progressing with great momentum as we continually add new achievements in WiMAX, UMB, IMS and LTE to our long history of innovation," said Richard Lowe, president, Carrier Networks, Nortel.

"With today's emerging consumer demand for highly mobile broadband devices, we're strongly focused on preparing our users for a hyperconnected world," he said.

Lowe added "whether they are moving at a measured pace to evolve their legacy network, or stepping boldly on stage with a disruptive 4G vision, Nortel has the solutions, services and global partners in place to help them succeed."

As well as the accomplishment in UMB, Nortel has shown leadership across 4G by collaborating with world-class partners to deliver bandwidth-intensive applications over WiMAX and LTE:

LTE: Nortel, in collaboration with LGE, completed the industry's first live video call over LTE with Uplink Multi-user MIMO over commercial spectrum.

All of Nortel's 4G technologies will be demonstrated in Nortel's booth (# 2663 in Hall B1) at CTIA Wireless 2007 in Orlando, Florida, March 27 to 29, 2007.

In addition to the success in its labs, Nortel is also seeing success with WiMAX in the field, engaging in trials with trailblazing network operators such as TVA in Brazil and Golden Telecom in Russia.

Nortel has also successfully completed a WiMAX trial in the northern Tohoku region of Japan, delivering high-bandwidth applications including video-streaming, video surveillance and video-conferencing.

This trial was part of a Nortel and Toshiba Corporation initiative to work with the Japanese government on its "Next Generation Broadband Strategy 2010" through the Ministry of Internal Affairs and Communications (MIC).

"The Tohoku WiMAX trial was conducted in a rural area with obstacles to coverage that mimic the challenges that operators will face when delivering commercial wireless services around the world," said Nick Vreugdenhil, president, Nortel Japan.

"The success in Tohoku proves that Nortel's innovative WiMAX solutions are able to deliver high quality, fast and reliable broadband services regardless of challenges posed by terrain or location," said Vreugdenhil.

Nortel's 4G strategy is anchored by industry-leading innovations in two key access technologies - OFDM and MIMO - and the development of an all IP core technology - IMS.

OFDM and MIMO are the underlying technologies for WiMAX, LTE and UMB. Nortel has dedicated more than eight years to developing these technologies and holds intellectual property rights in OFDM and MIMO application in 4G.

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Source: Nortel Networks

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