Using SINR as Vertical Handoff Criteria in Multimedia Wireless Networks

Abstract

In the next generation multimedia wireless network environment that consists of heterogeneous access technologies, we need to offer the end user with multimedia QoS inside each access network as well as during vertical handoff between them. The vertical handoff algorithm have to be QoS aware, which cannot be achieved by using the traditional RSS as the vertical handoff criteria. In this paper, we propose a new vertical handoff algorithm using the receiving SINR from various access networks as the handoff criteria. By converting the different receiving SINR values, the handoff algorithm can have the knowledge of achievable bandwidths from both access networks, and make handoff decisions with multimedia QoS consideration. Analysis results confirms that the new SINR based vertical handoff algorithm is able to consistently offer the end user with maximum available bandwidth during vertical handoff comparing with the RSS based vertical handoff, whose performance differs under different network conditions.

Prototype Implementation of Multi-Interface Management and Application Flow Redirection

“…However the available physical rate is related with the Signal to Interface and Noise Ratio (SINR). Reference [7] proposed a vertical handoff scheme using SINR as their decision material. It runs under heterogeneous environment with 3G network and WiFi network.…”

Identification of suitable parameters for predicting handoff in Heterogeneous wireless networks

“…Kemeng Yang et al (2007) [10] had proposed a Vertical Handoff decision algorithm that has to make decisions based on the QoS metrics, bandwidth, SINR. SINR based vertical handover can guarantee high data rate which increases the overall system throughput while comparing with RSS based vertical handoff process.…”

“…Anna Maria Vegni et al (2007) [13] had proposed a Dynamic network selection scheme with throughput and network selection time as the input parameters to improve the bit delivery in the dwelling time. By having 10 stations in the target network there is 10% increase in delivering bits compared to the tradition scheme.…”