Apparatus and method for communication
US7557752B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 10, 2007 |
| Grant date | Jul 7, 2009 |
| Priority date | — |
| Expiry date | Jan 30, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2647
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
There is provided a communication method including: generating a channel estimated value for each antenna by performing channel estimation using a received signal by each antenna; calculating reception weights by which subcarriers assigned the received signal of each antenna are to be multiplied using a set of the channel estimated values; calculating a reception weight time profile for each antenna by converting the reception weights calculated for each antenna to data on a time domain; generating a transmission weight time profile for each antenna by extracting a certain section of each reception weight time profile; calculating transmission weights by which subcarriers assigned a transmission signal for each antenna are to be multiplied by converting each transmission weight time profile to data on a frequency domain; and multiplying subcarriers assigned the transmission signal for each antenna by the transmission weights of each antenna and transmit multiplied subcarriers through each antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.