Cavity slot antenna device and wireless communication device
By designing LB and HB elements with 3D and 2D slot configurations on a dielectric substrate in the antenna device, the performance problem of miniaturized cavity slot antennas in the HB and LB bands is solved, achieving efficient operation and flexible polarization wave generation, suitable for handheld electronic devices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUAWEI TECH CO LTD
- Filing Date
- 2022-07-12
- Publication Date
- 2026-07-10
AI Technical Summary
Existing technologies make it difficult to achieve miniaturized cavity slot antennas in handheld electronic devices to operate efficiently in both high and low frequency bands of the radio spectrum, and they also suffer from problems such as performance limitations, low isolation, and poor cross-polarization ratio.
Design an antenna device comprising an LB antenna element and an HB antenna element on a dielectric substrate. The LB element is fed by an LB resonant cavity and an LB feed element, and the HB element is fed by an HB resonant cavity and an HB feed element. By utilizing the configuration of 3D and 2D slots, the antenna size is reduced and the electrical length is increased, thereby achieving flexible polarization wave generation.
It operates efficiently in the HB and LB of the radio spectrum, reduces the size of the antenna device, is suitable for integration into handheld electronic devices, and improves performance and isolation, while providing flexible radiation patterns and polarization wave generation.
Smart Images
Figure CN119301816B_ABST