Improvement of the dropping probabilities in mobile communication networks by using guard channels protocol with delay of new user

There has been a gradual growth in the wireless Internet and the possibility that millions of users will soon access e-mail and Web pages on a cellular phone, PDA (personal digital assistant), or pager. As the wireless Internet and mixed data and voice services in cellular mobile communication systems spread, the QoS (quality of service) for cellular mobile communication systems becomes more important. In such networks, the QoS for handoff calls is improvable by using guard channels that give priority to handoff calls. However, it becomes difficult to satisfy QoS for new calls. We introduce the DOVE (delay of voice end-user) algorithm and explain the handoff model with guard channels. Then, we propose a handoff guard channels model with the DOVE algorithm and evaluate the performance of this model. The proposed method can satisfy the QoS for new calls while maintaining the QoS for handoff calls.