Multi-beam receiving apparatus
US6466166B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 31, 2001 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | May 31, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B17/20
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a multi-beam receiving apparatus, radio receiving sections receive radio signals through antenna elements. Correlators calculate code correlation values of desired wave signals contained in reception signals output from the radio receiving sections. Each first beam formation device forms a beam on the basis of all outputs from the correlators. Delay profile estimation sections individually generate delay profiles on the basis of the outputs from the first beam formation devices. A detector detects, on the basis of the outputs from the delay profile estimation sections, a reception timing of a multipath formed from the beams. Demodulators demodulate all the reception signals output from the radio receiving sections at the detected reception timing. Each second beam formation device forms a beam on the basis of all demodulation outputs from the demodulator. A synthesizer synthesizes the outputs from the second beam formation devices after weighting. A beam weight control section weights, by a beam weight, the output from each correlator for each first beam formation device and weights, by a beam weight, the output from each demodulator for each second beam formation device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.