MWBNIC Packet Buffering for Continuous Mobile Connectivity

The system segments the network into hierarchical layers: mobile devices with MWBNIC, wireless access points (K-Nodes), network switches, and a central controller. Each segment handles specific functions - the MWBNIC manages packet buffering and reordering, K-Nodes handle wireless connectivity, switches manage wired backhaul, and the controller coordinates handoffs. This segmentation allows complex multi-node connectivity to be managed through distributed, simplified protocols at each layer rather than requiring end-to-end complexity.

The patent introduces several intermediary components: buffer memory in the MWBNIC acts as an intermediary to store and reorder packets during handoffs; the network switch serves as an intermediary between wireless access points and the central controller; and the central controller itself acts as a mediator that coordinates handoff decisions and authentication. These intermediaries absorb the complexity of multi-node management, allowing mobile devices to connect to multiple sources without requiring complex device-side protocol management.

The system performs preliminary authentication actions by pre-establishing trust relationships between the MWBNIC and the network. The device identity is registered with the network in advance, and authentication credentials are pre-configured. During actual connection attempts, the device simply presents its pre-registered identity rather than undergoing full authentication protocols, significantly reducing connection establishment time while maintaining security.

The patent implements a certificate-based authentication system where the central controller distributes digital certificates to authorized devices and access points. Instead of performing complex cryptographic handshakes during each connection, the system uses these pre-copied certificates for rapid mutual authentication. The MWBNIC holds a copy of its authentication credentials locally, enabling fast verification without repeated authentication negotiations.

The buffer memory in the MWBNIC is organized with local quality - different buffer regions are allocated for different data streams or priority levels. High-priority traffic receives dedicated buffer space with guaranteed reordering capability, while lower-priority traffic shares remaining buffer resources. This local quality approach ensures packet order for critical data without requiring excessive buffer memory for all traffic types.

The system implements selective packet discarding and recovery mechanisms. When buffer memory is full or packets are severely delayed, the system discards low-priority packets to make room for high-priority traffic. Recovery is achieved through retransmission protocols and selective repeat ARQ, where only necessary packets are retransmitted rather than buffering everything. This approach balances packet order maintenance with memory constraints.