Uplink Beam Management via Wireless Device Switching Indication
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Solution Overview
Problem
Current beam management and indication operations in multiple antenna communication systems face challenges in efficiently managing and optimizing beamforming for wireless devices and base stations, leading to suboptimal performance and resource utilization.
Innovation Solution
The implementation of advanced beam management and indication operations using New Radio (NR) technology, which includes dynamic modulation and coding schemes, multi-beam operations, and bandwidth adaptation, enables efficient beamforming by configuring logical channels, prioritizing resources, and adapting to changing radio conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If advanced beam management operations with dynamic modulation and coding schemes are implemented, then communication performance and adaptability are improved, but system complexity increases
Solution Approach 1:
The patent implements dynamic beam management where the network entity adaptively adjusts beamforming parameters, modulation schemes, and coding rates based on real-time channel conditions. The system transitions from static to dynamic configuration, allowing beam widths, powers, and resource allocations to be modified adaptively without requiring complete system redesign, thus achieving high adaptability while controlling complexity through incremental adjustments
Solution Approach 2:
The system changes multiple parameters simultaneously including modulation order, coding rate, beamforming weights, and resource block allocations based on channel quality indicators. By coordinating changes across these parameters rather than adjusting them independently, the system achieves comprehensive adaptability while the standardized parameter sets and predefined configurations prevent exponential complexity growth
2Productivity
If multi-beam operations with bandwidth adaptation are implemented, then resource utilization and capacity are improved, but processing requirements and system complexity increase
Solution Approach 1:
The patent divides the bandwidth into multiple subbands and applies different beamforming configurations to different spatial layers and frequency subbands. By segmenting the resource space into manageable units (beams, subbands, layers) that can be independently configured and optimized, the system achieves high resource utilization while keeping the complexity of managing each segment within acceptable limits through modular processing
Solution Approach 2:
The beam management system is designed to handle multiple functions using unified procedures: beam sweeping for discovery, beam measurement for quality assessment, beam reporting for feedback, and beam switching for adaptation. By creating a universal beam management framework that performs multiple functions through standardized processes rather than separate dedicated systems, the patent improves overall resource utilization while avoiding the complexity multiplication that would result from implementing separate specialized systems for each function
Data Source
AI summary
A base station may receive, from a wireless device, a beam switching type indication requesting a beam switching type initiated by the wireless device. In response, to receiving the beam switching type indication requesting a beam switching type, the base station may transmit to the wireless device a command confirming the beam switching type indication. The base station may also select, based on transmitting the command confirming the beam switching type indication, a reference signal set for the beam switching type that has been initiated by the wireless device. The base station may further receive, based on a spatial transmission filter associated with one or more reference signals of the reference signal set, an uplink transport block.