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Sunday, 30 October 2005 13:23

Next evolution of CDMA 1x EV-DO one step nearer

CDMA developer, Qualcomm, has hailed a recent successful test call as a major milestone in the development of the next stage of CDMA 1x EV-DO technology, Rev. A.

Qualcomm says that successful Rev. A test calls were made using prototype equipment based on Qualcomm's Cell Site Modem chipset for base stations and the Mobile Station Modem chipset for mobile handsets.

EV-DO Rev. A supports peak data speeds of 3.1Mbps on the forward link and 1.8 Mbps on the reverse link and, according to Qualcomm, "the higher system capacity required for compelling next-generation wireless services."

Barry West, CTO of US carrier, Sprint Nextel, said that besides increasing data speeds, Rev. A would "facilitate real time applications that ride on top of the all IP wireless converged network. Applications such as voice over IP, high-performance push-to-talk, and higher-speed data access are just some of the examples of new services our customers will enjoy with the advent of EV-DO Rev. A."

EV-DO Rev. A also provides lower latency with QoS to enhance the user experience for delay-sensitive applications such as VoIP and video telephony. According to Qualcomm, "'Gold' and 'Platinum' multicast services that are supported by EV-DO enable the delivery of high-quality multimedia content to a large number of users simultaneously. Industry-wide efforts are underway for further developments of CDMA technology that will enable even faster data rates and new mobile capabilities."

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Now’s the Time for 400G Migration

The optical fibre community is anxiously awaiting the benefits that 400G capacity per wavelength will bring to existing and future fibre optic networks.

Nearly every business wants to leverage the latest in digital offerings to remain competitive in their respective markets and to provide support for fast and ever-increasing demands for data capacity. 400G is the answer.

Initial challenges are associated with supporting such project and upgrades to fulfil the promise of higher-capacity transport.

The foundation of optical networking infrastructure includes coherent optical transceivers and digital signal processing (DSP), mux/demux, ROADM, and optical amplifiers, all of which must be able to support 400G capacity.

With today’s proprietary power-hungry and high cost transceivers and DSP, how is migration to 400G networks going to be a viable option?

PacketLight's next-generation standardised solutions may be the answer. Click below to read the full article.


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If you wish to promote a Webinar we recommend at least a 2 week campaign prior to your event.

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This coupled with the new capabilities 5G brings opens up huge opportunities for both network operators and enterprise organisations.

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We look forward to discussing your campaign goals with you.



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