Title :
User speed estimation and dynamic channel allocation in hierarchical cellular system
Author :
Sung, Chi Wan ; Wong, Wing Shing
Author_Institution :
Dept. of Inf. Eng., Chinese Univ. of Hong Kong, Shatin, Hong Kong
Abstract :
The huge amount of handoffs generated by microcells creates a problem for the future PCN. To alleviate the problem, we propose a hierarchical cellular system which comprises cells of different sizes. Ideally, one would like to use large cells to serve high-mobility users. A challenging issue is to obtain a good estimate of the user speed. A simple speed estimation is proposed and based on this estimate one can implement a number of dynamic channel allocation algorithms on such a hierarchical network. A comparative study of these algorithms will be presented based on a detailed simulation model
Keywords :
cellular radio; frequency allocation; land mobile radio; maximum likelihood estimation; personal communication networks; radio spectrum management; telecommunication channels; MMSE; PCN; dynamic channel allocation algorithms; hierarchical cellular system; hierarchical network; maximum likelihood estimator; mean square error estimator; microcells; simulation model; user speed estimation; Bandwidth; Channel allocation; Geometry; Hierarchical systems; Macrocell networks; Microcell networks; Partitioning algorithms; Personal communication networks; Switches; Traffic control;
Conference_Titel :
Vehicular Technology Conference, 1994 IEEE 44th
Conference_Location :
Stockholm
Print_ISBN :
0-7803-1927-3
DOI :
10.1109/VETEC.1994.345158
