Multi-Link Wireless Communication With EMLSR Mode Switching
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently utilizing multiple communication links to enhance data throughput and reliability, particularly in environments with interference and varying signal conditions.
Innovation Solution
Implementing a multi-link wireless communication system that utilizes multiple communication channels, including sub-10 GHz and mmWave frequency bands, to facilitate enhanced data transmission through channel bonding and MIMO schemes, enabling devices to operate as multi-link logical entities with integrated antennas and controllers for optimized signal processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple communication links are utilized to enhance data throughput, then productivity is improved, but device complexity increases
Solution Approach 1:
The system segments communication functions across multiple independent links (first link and second link) with separate radios, allowing each link to operate autonomously. This enables parallel data transmission to improve throughput while maintaining manageable complexity through functional separation.
Solution Approach 2:
The multi-link device is designed with universal communication capabilities that can operate across multiple frequency bands and access points simultaneously. Each radio can function independently on different links, providing multi-functionality that enhances productivity without requiring completely separate specialized hardware for each communication task.
2Reliability
If multiple communication links are utilized to improve reliability, then reliability is improved, but device complexity increases
Solution Approach 1:
The communication system is divided into multiple independent links with separate radios, where each link can fail independently without affecting the other. This segmentation provides reliability through diversity - if one link experiences interference or failure, the other link continues to operate, maintaining overall communication reliability.
Solution Approach 2:
The system utilizes different frequency bands (e.g., 2.4 GHz and 5 GHz) for different links, changing the physical parameter of operating frequency to achieve frequency diversity. This parameter change allows the system to avoid interference on one frequency by switching to another, improving reliability without adding complex error correction mechanisms.
3Productivity
If channel bonding and MIMO schemes are implemented, then data transmission rate is improved, but device complexity increases
Solution Approach 1:
The system merges multiple communication links with separate radios into a unified multi-link device that can simultaneously transmit data across all links. This combining of multiple independent transmission paths achieves higher aggregate data rates by aggregating the capacity of each individual link.
Solution Approach 2:
The system transitions from single-link communication to multi-link communication, adding the dimension of parallel transmission paths. This dimensional change from one communication channel to multiple simultaneous channels enables significant increases in data transmission rate without requiring higher speeds on individual links.
Data Source
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AI summary
For example, a non-AP MLD may determine whether an EMLSR enablement criterion is met. For example, the EMLSR enablement criterion may be based on one or more predefined enablement criteria corresponding to one or more enablement-criteria parameters. For example, the non-AP MLD may activate operation of the non-AP MLD at an EMLSR operation mode of an MLO over a plurality of links with an AP MLD based on a determination that the EMLSR enablement criterion is met. For example, the non-AP MLD may determine whether an EMLSR disablement criterion is met during the EMLSR operation mode. For example, the EMLSR disablement criterion may be based on one or more predefined disablement criteria corresponding to one or more disablement-criteria parameters. For example, the non-AP MLD may switch the non-AP MLD from the EMLSR operation mode to a non-EMLSR MLO mode based on a determination that the EMLSR disablement criterion is met.