Academic Journals Database
Disseminating quality controlled scientific knowledge

Security of Handoff Latency by Prescanning with help of Neighbourgraph

Author(s): Debabrata Sarddar | Shubhajeet Chatterjee | Pulak Mazumder | Arnab Raha | Karmajyoti Panigrahi | Utpal Biswas | Mrinal Kanti Naskar

Journal: International Journal of Computer Applications
ISSN 0975-8887

Volume: 27;
Issue: 1;
Start page: 41;
Date: 2011;
Original page

Keywords: IEEE 802.11 | Handoff latency | GPS (Global Positioning System) | Base Station (BS) | Mobile Station (MS) | Neighbor Aps

Due to rapid growth in IEEE 802.11 based Wireless Local Area Networks 'WLAN', handoff has become a burning issue. A mobile station 'MS' requires handoff when it travels out of the coverage area of its current access point 'AP' and tries to associate with another AP. But handoff delays provide a serious barrier for such services to be made available to mobile platforms. Throughout the last few years there has been plenty of research aimed towards reducing the handoff delay incurred in the various levels of wireless communication. In this paper, based on Neighbor Graph Cache 'NGC', we introduce a prescanning mechanism in which an STA starts scanning before it needs actual handoff. The simulation results show that the proposed method reduces the handoff latency effectively.
Save time & money - Smart Internet Solutions      Why do you need a reservation system?