PHASE SHIFTER, ANTENNA POWER SYSTEM AND COMMUNICATION DEVICE
DE602019085643T2Active Publication Date: 2026-06-10HUAWEI TECH CO LTD
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- HUAWEI TECH CO LTD
- Filing Date
- 2019-04-28
- Publication Date
- 2026-06-10
AI Technical Summary
Technical Problem
Existing phase shifters in digital hybrid beamforming systems are large in size due to the length of transmission lines required for achieving significant phase shifts, which is a challenge in miniaturization.
Method used
A phase shifter design with parallel branches, each comprising switch components and transmission lines, allows for equivalent electrical length adjustment through inductor and capacitor loading, enabling larger phase shifts with a smaller physical size by switching switch components.
Benefits of technology
The design achieves a larger phase shift amount using a smaller size by varying equivalent electrical lengths through inductor and capacitor loading, reducing the physical size of the phase shifter.
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