Coordinated hopping in wireless networks using adaptive...

Details Coordinated hopping in wireless networks using adaptive... Coordinated hopping in wireless networks using adaptive...

2006-05-30

2006-05-30

Marcelo, Melvin (Department: 2662)

Multiplex communications

Communication over free space

Combining or distributing information via frequency channels

C370S437000, C375S134000

Reexamination Certificate

active

07054301

ABSTRACT:
The present invention allows many of the benefits of spatial diversity to be realized in a hopping radio communications system. One embodiment of the invention includes transmitting signals from a first radio using a first hopping sequence and transmitting signals from a second radio using spatial processing and a second hopping sequence. The second hopping sequence is coordinated with the first hopping sequence. In another embodiment, the invention includes selecting a set of spatial processing parameters based, at least in part, on a determination whether a third radio using a first frequency resource during a first time interval uses a second frequency resource during a second time interval and transmitting a signal from a first radio to a second radio during the second time interval using the second frequency resource and the selected set of spatial processing parameters.

REFERENCES:
patent: 6370128 (2002-04-01), Raitola
patent: 6920192 (2005-07-01), Laroia et al.
patent: 6931030 (2005-08-01), Dogan
patent: 2004/0063450 (2004-04-01), Uhlik
patent: 2004/0063465 (2004-04-01), Uhlik
patent: 2004/0205105 (2004-10-01), Larsson et al.

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