How Intel's Transceiver Chip Manages Wireless Signals

Intel's 2024 patent describes a transceiver chip with patch antennas on one side and an RFIC with a protective shield on the other, designed to improve wireless communication by managing interference.

What it covers

This patent details a transceiver, which is a device that can both send and receive radio signals. It features multiple patch antennas on one side of a substrate (think of it like a circuit board). On the other side, there's a radio frequency integrated circuit (RFIC) that handles the signals. Crucially, a shield is placed on the same side as the RFIC to block unwanted radio and electromagnetic interference, ensuring cleaner signals. The patent also describes how connection layers within the substrate link the antennas to the RFIC, and mentions features like dual-polarized antennas and parasitic elements for better signal reception and transmission. For example, Claim 14 suggests this could be used with a touchscreen and signal processor to generate output signals for transmission based on user input.

What it doesn't cover

• —Transceivers where the antennas and the RFIC are not on opposite sides of the substrate.
• —Systems that do not use patch antennas.
• —Transceivers that lack a shield to protect the RFIC from interference.
• —Devices where the RFIC is not coupled to the antennas via redistribution layers within the substrate.
• —Systems that do not involve downconverting RF signals to baseband signals.

The clever bit

The key innovation lies in the specific physical arrangement: placing the patch antennas on one surface of the substrate and the RFIC with its protective shield on the opposite surface, connected internally. This design aims to optimize signal integrity by isolating the sensitive RF components from interference while maintaining a compact form factor.

Why it matters

This patent is part of Intel's ongoing work in advancing wireless communication technologies, particularly for high-frequency bands like millimeter wave (mmWave) used in 5G and future wireless standards. Innovations in transceiver design are critical for enabling faster, more reliable wireless connections in everything from smartphones to advanced networking equipment.

Real-world examples

• 1.5G base stations
• 2.Advanced Wi-Fi routers
• 3.Wireless communication modules for devices