Method and apparatus for optimization of wireless multipoint electromagnetic communication networks
US7248841B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jun 10, 2001 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Apr 18, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/42
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Exploiting the substantive reciprocity of internode channel responses through dynamic, adaptive modification of receive and transmit weights, enables locally enabled global optimization of a multipoint, wireless electromagnetic communications network of communication nodes. Each diversity-channel-capable node uses computationally efficient exploitation of pilot tone data and diversity-adaptive signal processing of the weightings and the signal to further convey optimization and channel information which promote local and thereby network-global efficiency. The preferred embodiment performs complex digital signal manipulation that includes a linear combining and linear distribution of the transmit and receive weights, the generation of piloting signals containing origination and destination node information, as well as interference-avoiding pseudorandom delay timing, and both symbol and multitone encoding, to gain the benefit of substantive orthogonality at the physical level without requiring actual substantive orthogonality at the physical level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.