WLAN Node Aggregation Capability Indication for Network Integration
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Solution Overview
Problem
Current WLAN deployments are not integrated with cellular networks, leading to inefficiencies such as poor user experience, lack of consideration for network load conditions, potential service interruptions, and unnecessary signaling due to inadequate access selection strategies.
Innovation Solution
A method where a WLAN node transmits an indication of its aggregation capability to a wireless device, enabling proper access network selection and traffic steering, thereby enhancing performance in integrated wireless communications networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If WLAN and cellular networks are deployed separately without integration, then each network can operate independently with simple infrastructure, but network performance and user experience deteriorate due to lack of coordination and aggregation capability
Solution Approach 1:
The patent combines WLAN and cellular networks into an integrated network architecture where the WLAN node and cellular base station are coupled through a coupling unit. This merging enables aggregation of data bearers across both networks, improving overall network performance and resource utilization while maintaining coordinated operation between the two previously separate networks.
2Ease of operation
If simple Wi-Fi offloading is implemented without considering aggregation capability, then access selection is simplified, but service continuity and user experience worsen due to interruptions when switching between networks
Solution Approach 1:
The patent performs preliminary assessment of aggregation capability by having the WLAN node transmit indication information about its aggregation support status to the wireless device before actual network switching occurs. This allows the wireless device to make informed access selection decisions that maintain service continuity, avoiding interruptions by selecting WLAN only when aggregation capability is confirmed.
3Productivity
If aggregation capability indication is transmitted, then access network selection and traffic steering are improved, but signaling overhead and device complexity increase
Solution Approach 1:
The patent extracts the aggregation capability indication as a separate, dedicated information element that is transmitted specifically when needed for access selection decisions. This extraction approach allows the system to provide necessary capability information without embedding it within general signaling protocols, thereby minimizing signaling overhead while improving access network selection efficiency.
Data Source
AI summary
A Wireless Local Area Network, WLAN, node, and a method therein, for handling of an integrated wireless communications network, wherein the WLAN node and a wireless device are operating in the integrated wireless communications network. The integrated wireless communications network comprises a WLAN and a cellular communications network. The method comprises transmitting, to the wireless device, a first indication configured to indicate, to the wireless device, the aggregation capability of the WLAN node.