Unlicensed Spectrum Access Point Control Circuit Authentication
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Solution Overview
Problem
Current wireless portable devices face limitations in integrating licensed and unlicensed wireless spectrum effectively, leading to suboptimal peak throughput and increased complexity due to differences in traffic scheduling and authentication mechanisms between LTE and 802.11 networks.
Innovation Solution
A tighter integration is achieved by configuring an unlicensed wireless spectrum access point control circuit to authenticate network entities below the PDCP or RLC layer of LTE, allowing simultaneous sharing of licensed and unlicensed spectrum without additional complexity or authentication credentials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If IP-level interworking between licensed and unlicensed spectrum is implemented, then network compatibility is improved, but peak throughput is not improved and device complexity increases
Solution Approach 1:
The patent segments the authentication and traffic management functions by introducing a dedicated WLAN authentication server interface that operates independently from the existing IP-level interworking layer. This allows authentication to occur at a lower layer (below PDCP/RLC), enabling separate handling of licensed and unlicensed spectrum traffic while maintaining overall network compatibility.
Solution Approach 2:
The patent introduces a WLAN authentication server as an intermediary component that mediates between the LTE network and WLAN access points. This intermediary enables seamless authentication and traffic routing between licensed and unlicensed spectra without requiring complex IP-level protocols, thereby improving peak throughput while maintaining compatibility.
2Reliability
If separate authentication mechanisms for LTE and 802.11 are maintained, then network security is preserved, but system complexity increases
Solution Approach 1:
The patent merges the authentication mechanisms by implementing a unified WLAN authentication server that handles both LTE and 802.11 authentication through a single interface. This consolidation maintains security by preserving the core authentication logic while reducing device complexity by eliminating the need for separate authentication infrastructures.
Solution Approach 2:
The WLAN authentication server is designed with universal functionality to handle multiple authentication types (LTE and 802.11) through a single platform. This multi-functional approach preserves network security across different protocols while reducing the overall authentication infrastructure complexity.
3Productivity
If bearer split across LTE and 802.11 access networks is enabled, then peak throughput is improved, but traffic scheduling complexity increases
Solution Approach 1:
The patent introduces a WLAN access point controller as an intermediary that manages traffic scheduling between LTE and 802.11 networks. This controller handles the complex bearer split operations by mediating traffic flow, enabling peak throughput improvements while containing scheduling complexity within the controller rather than distributing it across multiple devices.
Solution Approach 2:
The system enables self-service traffic scheduling where the WLAN access point controller automatically manages bearer splitting and traffic routing based on network conditions. This automation reduces the perceived complexity for end devices while maintaining optimized peak throughput through intelligent traffic scheduling.
4Productivity
If unlicensed spectrum is used for large data transception, then cost and data limits are avoided, but authentication integration with core network becomes complex
Solution Approach 1:
The patent introduces a WLAN authentication server as an intermediary that bridges unlicensed spectrum access with the core network authentication mechanisms. This intermediary enables seamless data transception over unlicensed spectrum while simplifying authentication integration by handling the complex protocol translations and credential verifications centrally.
Data Source
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AI summary
An unlicensed wireless spectrum access point control circuit receives a first identifier from a first network entity and also receives a second identifier from a second network entity and then compares the late the first identifier to the second identifier to thereby authenticate the second network entity. By one approach the first and second identifier are medium access control (MAC) addresses. By one approach the first network entity comprises an Evolved Node-B base station in a Long Term Evolution (LTE) Radio Access Network and the second network entity comprises a portable wireless device. Upon authenticating the second network entity, the control circuit can then allow user plane data traffic.