PIM cancellation
US11575400B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 29, 2021 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Jul 29, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/525
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An apparatus, method and computer program product is disclosed. The apparatus may comprise means for transmitting and receiving radio frequency signals using a radio system coupled to an external antenna via an additional combiner or diplexer, means for receiving one or more reference signals usable for measurement of passive intermodulation from one or more nodes provided in a signal path external to the radio system, a first one of said nodes being associated with a signal path between the additional combiner or diplexer and the external antenna, and means for performing passive intermodulation cancellation based on the received one or more reference signals, including a first reference signal from the first node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.