Title :
Locally optimal soft handoff algorithm
Author :
Prakash, Rajat ; Verravalli, V.V.
Author_Institution :
Dept. of Electr. Eng., Cornell Univ., Ithaca, NY, USA
Abstract :
The performance of soft handoff algorithms is studied in terms of the tradeoff between three metrics: rate of handoffs, mean active set size and link quality. A locally optimal (LO) handoff algorithm is derived as an approximation to the optimal handoff algorithm. The LO algorithm is shown to yield a significantly better tradeoff than the static threshold handoff algorithm. A simple dynamic threshold handoff algorithm is shown to be an approximation to the LO algorithm, and result in performance only slightly inferior to the LO algorithm
Keywords :
approximation theory; cellular radio; optimisation; radio links; cellular communications system; dynamic threshold handoff algorithm; handoff rate; link quality; locally optimal soft handoff algorithm; mean active set size; mobile position; multiple base stations; optimal handoff algorithm approximation; soft handoff algorithms performance; static threshold handoff algorithm; system traffic load conditions; Algorithm design and analysis; Approximation algorithms; Base stations; Fading; Heuristic algorithms; Interference; Multiaccess communication; Noise level; Telecommunication traffic; Time measurement;
Conference_Titel :
Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo. 2000 IEEE 51st
Conference_Location :
Tokyo
Print_ISBN :
0-7803-5718-3
DOI :
10.1109/VETECS.2000.851366
