MIMO Resource Allocation Signaling for Overhead Reduction
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Solution Overview
Problem
MIMO systems face inefficiencies in resource allocation, leading to increased signal overhead due to the configuration of MIMO components, which affects the performance of wireless communication systems.
Innovation Solution
The implementation of mechanisms and signaling to facilitate efficient allocation of time and frequency domain resources in MIMO wireless networks, using techniques such as configurable tables for time domain resource allocation and indicator bits to reduce overhead, allowing for accurate control channel reception and improved power efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If MIMO components are configured to increase data carrying capacity, then system throughput is improved, but signal overhead increases
Solution Approach 1:
The patent extracts and separately indicates time domain resource allocation and frequency domain resource allocation information through dedicated indicator fields. By separating the indication of resource allocation from other control information, the system efficiently manages MIMO resource configuration without excessive overhead, directly addressing the contradiction between improved data capacity and reduced signal overhead.
Solution Approach 2:
The patent employs configurable tables with adjustable parameters for time domain resource allocation (e.g., start symbol, length) and frequency domain resource allocation (e.g., resource block groups). These parameter changes allow flexible adaptation to different MIMO configurations, enabling the system to optimize resource allocation efficiency while maintaining reduced signaling overhead.
2Measurement precision
If detailed resource allocation information is transmitted, then resource allocation accuracy is improved, but downlink control channel overhead increases
Solution Approach 1:
The patent segments resource allocation information into distinct indicator fields: time domain resource allocation indicators and frequency domain resource allocation indicators. Each segment provides specific allocation details (time symbols, frequency resources) independently, achieving precise resource allocation while minimizing total control channel overhead through structured, modular indication.
Solution Approach 2:
The patent introduces a tabular dimension for resource allocation indication, where configured tables map indicator values to specific time and frequency resource allocations. This dimensional approach allows comprehensive resource specification through compact indicators, improving allocation accuracy without linearly increasing control channel overhead.
Data Source
AI summary
The technologies described herein are generally directed toward facilitating indicating frequency and time domain resources in communication systems with multiple transmission points. According to an embodiment, a system can comprise a processor and a memory that can store executable instructions that, when executed by the processor, facilitate performance of operations. The operations can include determining a first and a second transmission resource to use for transmission of a signal to a user device by, respectively, a first and a second network node. The operations can further include determining that the first and the second transmission resource comprise a same transmission resource. The operations can further include communicating, to a user equipment, a value corresponding to the first transmission resource and an indication that the first and the second transmission resource comprise the same transmission resource.