Vol.4 No.6 (December 2014)
Study on a Vertical Handoff Algorithm Based on SINR and Dwell Time
In order to effectively manage and utilize wireless resources of heterogeneous network and provide a higher quality of service for the user, a vertical handoff algorithm which based on SINR and dwell time is proposed. First, the relationship between SINR and the maximum achievable data rate can be determined with the help of Shannom’s capacity theorem. And then the SINR can be converted to the equivalent value in the different networks and the dwell time can be estimated from the moving regulation of the mobile terminal. If the SINR meets the conditions in all the dwell time, handoff happened. The feasibility and validity of the algorithm was confirmed by the simulation.
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