Radio Access Network Element Self-Discovery and Decentralized Management
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Solution Overview
Problem
Current wireless radio access networks face challenges in efficiently detecting and managing network elements, particularly in adding or removing elements, determining supported protocols, and handling software upgrades, which often require centralized management and result in bottlenecks and single points of failure.
Innovation Solution
The implementation of a radio access network element with a processor and memory that executes instructions for discovering other elements, determining paging areas, and forwarding messages, using protocols like GMP and DSP to enable decentralized discovery and management of network elements, allowing elements to detect each other's capabilities and adapt without central oversight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If centralized management is used for network element detection and management, then control and coordination is improved, but system complexity and single point of failure increase
Solution Approach 1:
Network elements perform self-discovery by autonomously sending and receiving discovery messages to detect each other's presence and capabilities. Elements manually manage their own registration, capability exchange, and service provision without requiring centralized management intervention, thereby eliminating single points of failure while maintaining system reliability
Solution Approach 2:
The centralized management function is segmented and distributed across multiple network elements. Each element becomes an independent management unit that can detect, register, and manage services locally. This segmentation eliminates the single point of failure at the central manager while distributing management complexity across the network
2Productivity
If decentralized discovery is implemented, then system reliability and bottleneck reduction are improved, but protocol complexity increases
Solution Approach 1:
A universal discovery protocol is implemented that enables any network element to discover, detect, and communicate with any other element regardless of specific element type. This multi-functional protocol handles various discovery scenarios (element addition, removal, capability exchange) through a single standardized mechanism, improving productivity without proportionally increasing complexity
Solution Approach 2:
The discovery protocol incorporates feedback mechanisms where elements respond to discovery messages with capability information and status updates. This feedback loop enables automatic adaptation to network changes, allowing elements to dynamically register and unregister services based on current network conditions, thereby improving service provision efficiency
3Ease of operation
If manual element addition and removal is used, then network configuration control is improved, but time consumption and operational complexity increase
Solution Approach 1:
Network elements automatically perform addition and removal operations by sending discovery messages when they join or leave the network. Elements autonomously exchange capability information and update neighbor lists without requiring manual configuration commands, thereby reducing configuration time while maintaining ease of operation through automated self-management
Solution Approach 2:
Elements perform preliminary discovery actions by proactively sending discovery messages upon joining the network before full service establishment. This preliminary detection and registration action eliminates the need for subsequent manual configuration steps, reducing operational time while maintaining control through automated initialization procedures
Data Source
AI summary
The present apparatus comprises a radio access network element having at least one processor, and at least one memory operably connected to the at least one processor, whereby the radio access network element is adapted to execute instructions stored in the memory comprising discovery of at least one other element in a radio access network. The radio access element further comprises instructions for removal or addition of network elements, instructions for determining a paging area and instructions for forwarding messages from a mobile to a controller in another domain.