Virtual Data Session Control for Fixed Wireless Load Sharing

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Solution Overview

Problem

Existing fixed wireless access devices often suffer from suboptimal positioning, leading to poor radio channel quality and varying throughput due to obstacles and individual radio link characteristics, limiting end user connectivity and reachability.

Innovation Solution

A virtual data session control device and method that aggregates multiple data sessions between fixed wireless access devices and a data plane, using a virtual data session control unit to adjust and manage the setup based on measured characteristics, enabling load sharing and maintaining service properties like charging and QoS.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If fixed wireless access devices are placed inside households without optimization, then installation ease is improved, but radio channel quality deteriorates due to obstacles and shielding

Engineering Contradiction:

Improveinstallation easeVSAvoidradio channel quality

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent merges multiple data sessions from different fixed wireless access devices into a single virtual data session, combining the capabilities of multiple devices to compensate for poor individual radio conditions. This allows devices installed in suboptimal locations to still achieve reliable connectivity through aggregation.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The system dynamically adjusts the setup of the virtual data session based on measured operative characteristics of individual data sessions and radio conditions. This allows the system to adapt to changing radio channel quality and optimize performance in real-time.

Inventive Principle:

Principle #15Dynamics

2Device complexity

If individual fixed wireless access devices are used, then device simplicity is improved, but end user throughput is limited due to varying radio link characteristics

Engineering Contradiction:

Improvedevice simplicityVSAvoidend user throughput

Core Design Contradiction:

Device complexityVSProductivity

Solution Approach 1:

Multiple data sessions from different fixed wireless access devices are aggregated into a single virtual data session, combining the throughput capabilities of multiple devices. This allows end users to achieve higher overall throughput by leveraging multiple radio links simultaneously.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The virtual data session control device provides multi-functionality by managing multiple individual data sessions while presenting a unified virtual session interface. This universal approach allows the system to handle both simple individual sessions and aggregated virtual sessions through a single mechanism.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Productivity

If multiple data sessions are aggregated into a virtual data session, then throughput is improved, but system complexity increases

Engineering Contradiction:

ImprovethroughputVSAvoidsystem complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The virtual data session control device acts as an intermediary between individual fixed wireless access devices and the data plane device. It manages the complexity of aggregating multiple data sessions while presenting a simplified interface, thereby enabling throughput improvement without proportionally increasing overall system complexity.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The system implements feedback mechanisms where the virtual data session control device supervises virtual data session characteristics through measurement of operative characteristics and adjusts the setup based on measured results. This feedback loop optimizes the aggregation process and manages complexity through adaptive control.

Inventive Principle:

Principle #23Feedback

4Ease of manufacture

If fixed wireless access devices are positioned without optimization, then installation cost is reduced, but connectivity and reachability are limited

Engineering Contradiction:

Improveinstallation costVSAvoidconnectivity and reachability

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The patent combines multiple data sessions from devices installed in various locations into a virtual data session, enabling connectivity and reachability improvement without requiring optimized positioning of individual devices. This maintains low installation costs while achieving reliable connectivity through aggregation.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS12538363B2Device and method for virtual data session establishment to control load sharing within a fixed wireless access domain according to a predetermined criteria

Publication Date: 2026.01.27 TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

AI summary

The present invention relates to concepts underlying the realization of a virtual data session, and in more detail to a virtual data session control device, to a fixed wireless access device supporting a virtual data session, to a user data plane device supporting a virtual data session, to an access and mobility management device supporting a virtual data session, and to related control methods. Here, a virtual data session is an aggregation of at least two data sessions (22, 24) set up between at least two fixed wireless access devices (26, 28) forming a fixed wireless access domain in a cellular infrastructure and a data plane device (20) providing interconnection functionality between the cellular infrastructure and an external data network (18).