Recently, mobile computers such as laptop, handheld and parmtop PCs have become to communicate with each other by using wireless LAN protocols, e.g., IEEE80211 and HIPERLAN, for achieving various internet services. In case that a mobile computer changes the location with high speed, less messages are exchanged between the mobile computers. The authors proposed a routing protocol for supporting mobile clustered networks in which mobile computers with almost the same velocity and communication with each other by multi-hop message transmission forms a cluster. Here, communication between clusters is available if at least one mobile computer in the cluster is within the wireless signal transmission range of a mobile computer in the other cluster. That is, a communication protocol is required to support sporadic communication. In the protocol, switching gateways and updating routing tables in the clusters according to the movement have been in introduced. This paper proposes CC-WSCP-MC (Cluster-to-Cluster Wireless Sporadic Communication Protocol with Multiple connections) in which multiple connections between clusters are established for achieving much higher bandwidth.
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