The demonstration system runs in the 5GHz band and uses a bandwidth of 100MHz, roughly three times the bandwidth of an 802.11g channel. Future mobile communication systems will have to utilize the frequency band as efficiently as possible, with the...
The merged body does not bring in any new members from the major rival UWB standard, DS-UWB. The first products will be existing Firewire/IEEE 1394 and USB devices, modified to use UWB as a 480 Mbps radio link over a couple of metres.
The opposing technology approaches are orthogonal frequency division multiplexing (OFDM) and direct sequence (DS)-UWB. The first work was the development of what was then called impulse radio, baseband or carrier-free communications back in the 1960s.
There are very many licence holders between 3 and 10 GHz, and UWB will have lots of uncoordinated users. UWB could prevent the main licensed user of a band from improving the spectral efficiency of his system, and could restrict future developments...
This allows more data to be sent over the available radio spectrum than is possible with standard transmissions today. The proposal, put forth by the vendor group called Task Group 'n' synchronisation, or TGn Sync, did not get the support of the...
It encodes information onto tiny pulses of radio energy in a similar fashion to some kinds of Ultrawideband (UWB), but includes a timing signal on a separate frequency that makes the receiver's job a lot easier.