Abstract
In this paper, we propose a vehicular passenger mobility-aware bandwidth allocation (V-MBA) scheme in mobile hotspots. The V-MBA scheme consists of both call admission control and bandwidth adjustment functions to lower handoff vehicle service dropping probability and efficiently utilize resource of base station. Specifically, a handoff priority scheme with guard bandwidth is employed to protect handoff vehicle service. Also, bandwidth is dynamically assigned to each vehicle by exploiting vehicular passenger movement pattern that includes getting on and off events at a station. We evaluate the V-MBA scheme by developing a continuous-time Markov chain model. Simulation results demonstrate that the V-MBA scheme can guarantee low new vehicle service blocking probability and handoff vehicle service dropping probability through flexible bandwidth allocation.
Original language | English |
---|---|
Article number | 6805333 |
Pages (from-to) | 3281-3292 |
Number of pages | 12 |
Journal | IEEE Transactions on Wireless Communications |
Volume | 13 |
Issue number | 6 |
DOIs | |
Publication status | Published - 2014 Jun |
Keywords
- Mobile hotspots
- bandwidth adjustment
- call admission control
- vehicular passenger mobilityaware bandwidth allocation
ASJC Scopus subject areas
- Computer Science Applications
- Electrical and Electronic Engineering
- Applied Mathematics