Reconfigurable Transceiver for Millimeter Wave Interference Management
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Solution Overview
Problem
Wireless communication systems in urban areas face challenges with increased mobile data traffic, leading to interference issues and the need for maximizing data throughput while avoiding interference, particularly in millimeter wave frequency bands like V and E bands.
Innovation Solution
A transceiver with a spectrum sensing unit that detects channels with low interference across multiple millimeter wave bands, using reconfigurable duplexing modes and frequency bands to select optimal channels for transmission and reception, and employing a duplexer to route signals based on the selected bands and modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If transceivers operate in multiple millimeter wave bands to maximize data throughput, then data throughput is improved, but interference from other signals increases
Solution Approach 1:
The spectrum sensing unit performs preliminary detection of channel conditions before the transceiver begins transmission. By scanning and identifying channels with low interference levels in advance, the system selects optimal channels for operation, thereby maximizing data throughput while avoiding high-interference channels from the start
Solution Approach 2:
The spectrum sensing unit continuously monitors the radio frequency environment and provides feedback about interference levels on different channels. Based on this feedback, the transceiver dynamically adjusts its channel selection and can switch to alternative channels when interference is detected, maintaining optimal performance in changing spectral conditions
2Adaptability or versatility
If the transceiver uses reconfigurable duplexing modes to adapt to different frequency bands, then adaptability is improved, but device complexity increases
Solution Approach 1:
The transceiver is designed with reconfigurable components that can operate in multiple duplexing modes (FDD, TDD, FLEX) and support multiple frequency bands (V-band, E-band). The duplexer and local oscillator are engineered to be universally applicable across different operating modes, allowing a single device to perform multiple functions without requiring separate dedicated hardware for each mode
Solution Approach 2:
The transceiver employs dynamically reconfigurable components including switches, filters, and a programmable local oscillator that can adjust their characteristics in real-time based on the selected operating mode and frequency band. This dynamic reconfiguration allows the system to adapt to different duplexing modes and bands while maintaining a compact, integrated architecture
Data Source
AI summary
A transceiver with a spectrum sensing unit configured to detect, within a plurality of millimeter wave bands, one or more channels with tolerably low interference for selection. The transceiver has a transmitter configured to modulate a transmit signal to an output transmit signal using a transmit carrier frequency compatible with a transmit channel selected from the one or more channels, and using a transmit duplexing operating mode compatible with a transmit millimeter wave of the plurality of millimeter wave bands that correspond to the transmit channel. The transceiver has a receiver configured to demodulate a receive signal from an input receive signal using a receive carrier frequency compatible with a receive channel selected from the one or more channels, and using a receive duplexing operating mode compatible with a receive millimeter wave of the plurality of millimeter wave bands that correspond to the receive channel. The transceiver has a duplexer configured to route the output transmit signal from the transmitter based on the transmit duplexing operating mode and the transmit millimeter wave band, and the input receive signal to the receiver based on the receive duplexing operating mode and the receive millimeter wave band.