==> PACKET RELAY RADIO TO THE RESCUE?

At present, unlicensed wireless access – such as 802.11b, also known as

WiFi – delivers speeds measured in megabits. But 802.11b may be

short-lived – the 2.5GHz band could become so crowded that nobody will want

to go there. Wireless packet-relay networks solve the problem of multiple,

powerful, overlapping transmitters. A network of weak transmitters (with

routers attached) can send a packet a long way without unnecessarily

trampling on the spectral commons. Multiple hops replace additional

amplification. In addition, packet-relay radio networks solve the

line-of-sight problem that restricts single-hop 802.11b transmissions.

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