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The mobile ad hoc networks are self-organizing and does not require fixed infrastructure. In such networks, portable computing devices exchange information with each other requiring service discovery protocol. The proposed model automatically discovers quality-based services by organizing two integrated directory-based structure: backbone-based and cluster-based. This structure optimizes the flooding...
In this paper, size based adaptive backoff algorithm (SBA backoff algorithm) for IEEE 802.11 DCF has been developed to provide quality of service (QoS) requirements. SBA backoff algorithm assigns different priority levels based on packet size. Also, SBA backoff algorithm was utilized in the mobile ad-hoc network (MANET), which is a collection of mobile independent nodes. Because of dynamic topology,...
The idea of mobile computing service is to provide a ubiquitous information environment. However, the present mobile ad hoc networks still can't support real-time transmission very effectively. In other words, the capability of supporting QoS guarantee has become a very important issue. IEEE 802.11 PCF adopts the polling scheme to provide time-bounded traffic services, which is not suitable in multihop...
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