3G

3G news and forums.

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Daily links to 3G news from around the world.

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Industry consortium working on 3G standards.

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Latest news and analysis from Network World Fusion.

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EV-DO news, forums and downloads.

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Run by the GSM Association; features variety of GSM resources, from background info and papers to GSM roaming maps.

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An essay by Clay Shirky on why he thinks 3G could ultimately fall by the wayside of 802.11 networks: Pricing. 03/28/03.

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"As we move toward the information capacity required for 3G wireless communications, we need to develop signaling processes that allow high data rates in relatively small channels. Some people call these procedures post-Shannon architectures. This paper examines such architectures.

"We first examine the techniques known as signal hardening, signal shaping, and signal reconstruction or recovery. Then we look at processes that deliberately spread the signal, for example, direct sequence spread spectrum (used in the CDMA systems) and orthogonal frequency division multiplexing. All of these procedures take a different view of the laws of Nyquist and Shannon. Post-Shannon architectures are being deployed today, as are other potential signaling solutions, for third generation (3G) wireless systems."
From Hill Associates.

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