Group-Based Radio Bearer Allocation for M2M Signaling Overhead
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Solution Overview
Problem
In mobile communication systems, especially for Machine to Machine (M2M) communication, the large number of terminals leads to increased signaling overhead and resource allocation challenges, resulting in access failures and delays due to contention-based random access methods, which are exacerbated by frequent data transmissions from a large number of MTC terminals.
Innovation Solution
A network connection method that groups terminals, allocates group identities, and establishes group-based signaling and data radio bearers, allowing terminals to access the network using these shared resources, thereby reducing signaling overhead and resource allocation burdens.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If contention-based random access is used for terminals to access the network, then access flexibility is improved, but access collision increases and access success rate decreases
Solution Approach 1:
The patent segments terminals into different groups based on their access patterns and characteristics. By dividing the large population of terminals into manageable groups, the system can allocate dedicated resources to each group, reducing the likelihood of collisions while maintaining access flexibility. This segmentation approach allows the system to balance the trade-off between operational flexibility and access success rate.
Solution Approach 2:
The patent implements preliminary actions by pre-configuring group identities and mapping relationships before terminals actually access the network. The network prepares group-based signaling and data radio bearers in advance, so when terminals need to access, they can be quickly assigned to appropriate groups without causing collisions. This preliminary preparation reduces access collision while maintaining the flexibility of random access.
2Reliability
If more resources are allocated to reduce collision probability, then access success rate is improved, but network resource burden increases
Solution Approach 1:
The patent creates universal group-based radio bearers that can serve multiple terminals simultaneously. Instead of allocating dedicated resources to each individual terminal, the system establishes shared signaling and data radio bearers at the group level. These universal bearers can be dynamically assigned to different groups of terminals, reducing the overall network resource burden while maintaining high access success rates through efficient resource sharing.
Solution Approach 2:
The patent merges multiple terminal resource requirements into unified group-based bearers. By combining the resource needs of multiple terminals into a single shared bearer structure, the system reduces the total amount of resources required compared to individual terminal allocations. This merging approach maintains access success rates while significantly reducing network resource burden.
3Loss of time
If dedicated access resources are allocated to each terminal, then access delay is reduced, but system overhead increases
Solution Approach 1:
The patent implements dynamic resource allocation where group-based radio bearers can be flexibly assigned to different terminal groups based on real-time needs. The system dynamically adjusts which terminals are assigned to which groups and which bearers are activated, allowing the system to respond quickly to access requests while avoiding the overhead of static dedicated allocations. This dynamic approach reduces access delay without the complexity of fully dedicated resource management.
Data Source
AI summary
The present invention discloses a network connection method and system. The method includes: grouping a plurality of terminals, allocating group identities, and establishing a mapping relationship between the group identities and terminal identities; establishing a group-based signaling radio bearer and a group-based data radio bearer for each group; allocating, when a terminal in each group access a network, the terminal the group-based signaling radio bearer and group-based data radio bearer corresponding to the group to which the terminal belongs according to a mapping relationship between a group identities and a terminal identity, so that the terminals initiate network access by using the group-based signaling radio bearer and the group-based data radio bearer. The signaling overhead of establishing signaling connection and data bearer may be reduced though the technical solution of the present invention.