Synchronous orthogonal frequency division multiplexing receiving apparatus in multi-cell environment and method thereof
US7801088B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 10, 2005 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Jul 19, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2678
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A receiving apparatus of a mobile terminal receiving a signal in a synchronous OFDM system under a multi-cell environment, including a demodulation start controller performing frame synchronization and cell search using a received signal and outputting information on a demodulation start point and a to-be-demodulated neighbor cell; a FFT unit converting a time-domain signal into a frequency-domain signal; a scramble code generator generating scramble codes for the to-be-demodulated neighbor cell from the demodulation start controller and the current cell; a correlator multiplying a signal from the FFT unit and scramble codes from the scramble code generator and outputting correlation signals; demodulators provided corresponding to a current cell and a maximum number of neighbor cells to be demodulated, and demodulating the correlation signals; and a decoder decoding signals from the demodulators and restoring original information transmitted from the corresponding cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.