High reliability and real-time response are required in the Main Control Processor of Radio Network Controller for mobile communication systems. In spite of its robustness some fault rates is inevitable, so the processors are duplicated for non-interrupted service and services are switched to the standby processor in case of faults. The hot-standby sharing scheme has advantages of no data loss and non-proliferation of error data in comparison with the warm-standby sharing scheme but it has difficulties with implementation due to synchronization problem. This paper proposes an expanded warm-standby sharing scheme based on a novel massage processing and error detection mechanism for improving performances.
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- Duplex Method for Mobile Communication Systems
Gi Sung Lee
- Springer Berlin Heidelberg
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