Multiple Link Communication Constraint Management
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Solution Overview
Problem
Current multiple-access technologies in wireless communication systems face challenges in efficiently managing communication constraints, leading to excessive processing, memory, and energy utilization in user equipment (UE) when receiving multiple downlink control information (DCI) messages, which can result in failed processing and reception of downlink communications.
Innovation Solution
The method involves determining communication constraints based on UE capabilities and transmission scenarios, allowing UEs to configure communication settings to reduce processing, memory, and energy utilization by enforcing specific constraints, such as common VRB/PRB mapping or DMRS patterns, and selectively receiving or processing downlink channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If UEs receive and process multiple DCI messages scheduling downlink communications, then communication reliability and data throughput are improved, but processing complexity, memory usage, and energy consumption increase excessively
Solution Approach 1:
The patent segments the downlink communications into different types (e.g., PDSCH, PDCCH) and applies different processing rules to each type. By categorizing communications and applying constraint sets specifically tailored to each category, the UE reduces overall processing complexity while maintaining the ability to receive multiple DCI messages effectively.
Solution Approach 2:
The patent introduces communication constraints as configurable parameters that modify how UEs process DCI messages. These constraints (e.g., limiting simultaneous PDSCH receptions, restricting PDCCH processing) change the operational parameters of the UE, allowing it to manage multiple downlink communications within reduced processing, memory, and energy boundaries.
2Device complexity
If UEs enforce communication constraints to reduce processing and memory utilization, then device complexity is reduced, but communication reliability may deteriorate
Solution Approach 1:
The patent implements dynamic constraint enforcement where the UE can adaptively adjust communication constraints based on current system conditions, UE capabilities, and traffic requirements. This dynamic approach allows the system to maintain communication reliability by relaxing constraints when resources are available while reducing complexity when resources are constrained.
Solution Approach 2:
The system incorporates feedback mechanisms where the UE reports its processing status and constraint compliance to the network. This feedback loop allows the network to adjust scheduling decisions and constraint configurations to maintain reliable communication while respecting the UE's processing capabilities.
3Adaptability or versatility
If UEs process multiple downlink communications without constraints, then communication configuration flexibility is maintained, but energy consumption increases excessively
Solution Approach 1:
The patent applies preliminary action by pre-configuring communication constraints based on UE capabilities and expected traffic patterns. By establishing these constraints beforehand, the UE avoids excessive energy consumption during actual communication processing while maintaining the ability to adapt to different communication scenarios through pre-planned constraint sets.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive, when operating in a multiple link communication system, one or more downlink control information (DCI) messages scheduling one or more downlink communications. The user equipment may determine, based at least in part on the one or more DCI messages, whether a communication constraint is satisfied for the one or more downlink communications. The user equipment may determine a communication configuration for the one or more downlink communications based at least in part on whether the communication constraint is satisfied. The user equipment may receive, in the multiple link communication system, the one or more downlink communications based at least in part on the communication configuration. Numerous other aspects are provided.