Common Duplex Capability Message Format for Cellular Systems
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Solution Overview
Problem
Conventional cellular communication systems face inflexibility, high equipment complexity, and suboptimal utilization of duplexing capabilities due to the need for individual monitoring of different duplexing modes, which limits compatibility and adaptability between base stations and user equipment with varying duplexing schemes.
Innovation Solution
A cellular communication system that employs a common transmission format for base station duplex capability messages, allowing user equipment to adapt to supported duplex modes and facilitating coexistence and optimization across paired and unpaired spectrum, as well as half and full duplex modes, by transmitting duplex capability information using a format common to multiple modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If individual monitoring of different duplexing modes is implemented, then duplexing capability support is comprehensive, but equipment complexity increases and system flexibility decreases
Solution Approach 1:
The patent applies universality by designing a common transmission format that can carry duplex capability information for multiple duplexing modes (FDD, TDD, half-duplex, full-duplex) simultaneously. This single unified format replaces the need for separate monitoring mechanisms for each duplexing mode, allowing user equipment to efficiently determine supported duplexing capabilities without implementing complex individual monitoring for each mode.
2Measurement precision
If multiple transmission formats are used for different duplexing modes, then mode-specific information is accurate, but system compatibility and ease of operation deteriorate
Solution Approach 1:
The patent merges the transmission formats for different duplexing modes into a single common format. This unified format incorporates fields that can represent duplex capability information for FDD, TDD, half-duplex, and full-duplex modes within a consistent structure, enabling user equipment to process all duplexing mode information through a single standardized mechanism rather than handling multiple separate formats.
Solution Approach 2:
The common transmission format serves multiple functions by encoding duplex capability information for various duplexing modes simultaneously. The format includes configurable fields that can indicate supported duplexing modes, uplink-downlink configurations, and frequency pair relationships, making it a universal solution that maintains precision for mode-specific information while improving system compatibility.
3Measurement precision
If separate monitoring mechanisms are implemented for each duplexing mode, then mode detection accuracy is high, but resource utilization and productivity decrease
Solution Approach 1:
The patent combines multiple monitoring mechanisms into a single unified monitoring process. The common transmission format allows user equipment to monitor one standardized signal structure that contains all necessary duplex capability information, eliminating the need to separately monitor and process individual signals for each duplexing mode. This reduces processing overhead and improves resource utilization while maintaining accurate mode detection through the comprehensive information contained in the unified format.
Data Source
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AI summary
A cellular communication system comprises a first base station (205) serving at least a first user equipment (201) The base station (205) comprises functionality (701, 703, 704) for transmitting a base station duplex capability message to user equipments (201, 203) using a transmission format which is common to a plurality of duplex modes. The first user equipment (201) comprises a transceiver (801) which receives the base station duplex capability message. A RACH characteristics processor (805) determines at least one transmit characteristic for an access message in response to the base station duplex capability message and a RACH transmit controller (807) controls the transmission of an access message to the first base station (205)in response to the at least one transmit characteristic.