IDMA Interleave Length Control for Efficient Wireless Reception
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Solution Overview
Problem
Current wireless communication technologies related to Interleave Division Multiple Access (IDMA) require further performance improvement to effectively manage interleave lengths and deinterleave processes for enhanced communication efficiency.
Innovation Solution
A wireless communication device and method that includes a controller to dynamically control interleave lengths and perform deinterleave processes based on the interleave patterns used by other devices, optimizing communication efficiency through adaptive interleave management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If fixed interleave length is used in IDMA systems, then device complexity is reduced, but communication efficiency and performance are limited
Solution Approach 1:
The patent implements dynamic interleave length adjustment where the interleave length is no longer fixed but adapts based on communication conditions, data traffic requirements, and system performance needs. The controller dynamically selects from multiple predefined interleave length values or adjusts them continuously, allowing the IDMA system to optimize communication efficiency under varying load conditions while maintaining manageable complexity through controlled adaptation mechanisms.
Solution Approach 2:
The patent changes the interleave length parameter from a static value to a dynamic variable that can be adjusted according to system requirements. By introducing multiple interleave length options and enabling selective switching between them based on traffic patterns, channel conditions, and performance metrics, the system achieves improved communication efficiency without requiring complete redesign of the IDMA framework.
2Productivity
If interleave length is dynamically adjusted, then communication efficiency is improved, but device complexity increases
Solution Approach 1:
The patent implements preliminary action by pre-defining a set of discrete interleave length values before runtime. Instead of requiring complex real-time calculations to determine optimal interleave lengths, the controller selects from a predetermined collection of validated length values. This approach simplifies the controller's decision-making process while still enabling adaptive optimization of communication efficiency based on current system conditions.
3Reliability
If different interleave patterns are applied to multiple signals, then interference management is improved, but processing complexity increases
Solution Approach 1:
The patent applies local quality by assigning different interleave patterns and lengths to different signals, users, or data streams within the IDMA system. Each signal can be optimized with specific interleave characteristics tailored to its requirements, such as user-specific interleaving for interference management or priority-based differential treatment. This localized optimization improves overall system reliability and interference cancellation performance while maintaining manageable processing complexity through structured pattern selection.
Data Source
AI summary
A wireless communication device, a wireless communication method, and a program capable of contributing to improvement of wireless communication technology related to IDMA. The wireless communication device includes: a wireless communication unit that performs wireless communication using interleave division multiple access (IDMA) with another wireless communication device; and a controller that controls an interleave length in an interleave process for IDMA by the wireless communication unit.