DocumentCode
1514835
Title
Handoff Optimization Using Hidden Markov Model
Author
Halgamuge, Malka N. ; Ramamohanarao, Kotagiri ; Zukerman, Moshe ; Vu, Hai L.
Author_Institution
Dept. of Electr. & Electron. Eng., Univ. of Melbourne, Melbourne, VIC, Australia
Volume
18
Issue
7
fYear
2011
fDate
7/1/2011 12:00:00 AM
Firstpage
411
Lastpage
414
Abstract
This letter establishes the similarity between the sensor scheduling problem and the handoff (i.e., base station assignment) problem in cellular networks. A mobile user behavior is then modelled by a Hidden Markov Model (HMM). The handoff problem is formulated as an optimization problem of base station scheduling that minimizes a cost function that involves the HMM state estimation error and base station measurement costs. The optimization problem can be solved using algorithms known as partially observed Markov decision processes.
Keywords
cellular radio; hidden Markov models; optimisation; scheduling; HMM state estimation error; base station measurement costs; cellular networks; handoff optimization; hidden Markov model; mobile user; optimization problem; sensor scheduling problem; Base stations; Cost function; Hidden Markov models; Markov processes; Optimal scheduling; State estimation; Cellular networks; handoff; hidden Markov models; sensor scheduling;
fLanguage
English
Journal_Title
Signal Processing Letters, IEEE
Publisher
ieee
ISSN
1070-9908
Type
jour
DOI
10.1109/LSP.2011.2153845
Filename
5766017
Link To Document