Synchronization apparatus and method for upstream system
US11050593B1 · kind B1 · utility
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8Claims
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Key dates
| Filing date | May 4, 2020 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | May 4, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2027/0026
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are a synchronization apparatus and method for a upstream system. The synchronization apparatus for a upstream system includes one or more processors, and execution memory for storing at least one program that is executed by the one or more processors, wherein the at least one program is configured to receive a signal and calculate a first channel estimation value for the received signal using a predefined pilot, and calculate a second channel estimation value using a predefined complementary pilot and the first channel estimation value.
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