Common MAC Architecture for BWA and WLAN Integration
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Solution Overview
Problem
Current broadband wireless access (BWA) technologies, such as IEEE 802.16a, face challenges in management and security due to the need for wireless firmware updates and firewall configurations, which are cumbersome and insecure when relying on external Internet routing, especially in corporate environments with multiple access points.
Innovation Solution
Implementing a common media access control (MAC) architecture with orthogonal frequency division multiplexing (OFDM) for both BWA and WLAN functionality, enabling an integrated router and firewall service that allows secure and centralized management of BWA access points by treating them as Ethernet clients within the corporate network, facilitating seamless updates and configurations without external routing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wireless firmware updates and firewall configurations are routed over external Internet, then BWA access points can receive updates, but security and robustness are compromised due to routing outside the corporate network
Solution Approach 1:
The patent introduces a WLAN access point as an intermediary device that receives firmware updates and configuration data from the corporate network and forwards them to BWA access points. This mediator enables secure intra-network communication while maintaining the ability to deliver updates without external Internet routing.
2Ease of operation
If multiple BWA access points are managed individually through wireless links, then each AP can be configured, but the process becomes cumbersome and inefficient
Solution Approach 1:
The WLAN access point is designed to serve multiple functions simultaneously: it acts as a standard WLAN AP for wireless clients while also functioning as a management server for multiple BWA access points. This multi-functionality allows centralized management of multiple BWA APs through a single device, significantly reducing management time and complexity.
Solution Approach 2:
The patent combines the WLAN access point functionality with the BWA management server functionality into a single device. This merging eliminates the need for separate management infrastructure and enables efficient centralized control of multiple BWA access points through the unified WLAN AP.
3Length of stationary object
If IEEE 802.16a systems use extended range capabilities, then coverage distance increases to 20 kilometers, but power consumption increases and advanced antenna systems are required
Solution Approach 1:
The patent implements different operational modes for different spatial contexts: in areas with good signal quality, the system uses standard power levels and simpler antenna configurations, while only activating extended range capabilities and advanced antenna systems in specific locations where longer coverage is actually needed. This localized approach reduces overall power consumption while maintaining extended range capability where required.
Data Source
AI summary
Systems and methods for distribution of wireless network access using a common media access control (MAC) architecture. In one embodiment, a platform architecture may be provided for high speed Broadband Wireless Access (BWA) service termination using a common MAC architecture and router functionality, e.g., an integrated router and firewall service may be provided to a local WLAN network, leveraging a common orthogonal frequency division multiplexing (OFDM)-based MAC architecture for both the BWA and WLAN functionality. Such a common MAC architecture may be implemented to optimize the performance and throughput between the broadband wireless ISP data service and localized WLAN network.