Blocking probability estimates in a partitioned sector TDMA system

Chandra Chekuri*, Kavita Ramanan, Phil Whiting, Lisa Zhang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

1 Citation (Scopus)

Abstract

We consider a Time Division Multiple Access (TDMA) system in which each sector is allocated a fixed set of frequency bands. Due to spatial variation in the nature of interference, a voice call originating in a sector may have an acceptable signal to noise ratio only on a subset of the sector's frequencies. Given a Poisson traffic arrival distribution, we derive estimates of the sector blocking probability. In particular, we present lower bounds that are independent of the specific call allocation algorithm, and also examine specific call assignment algorithms such as Repacking, Least Busy and Optimal Random Routing. We develop a simple heuristic that allows us to obtain fast and accurate sector blocking probability estimates. The latter serve as crucial inputs for the design and optimization of capacity and coverage in TDMA networks.

Original languageEnglish
Title of host publicationProceedings of the 4th International Workshop on Discrete Algorithms and Methods for Mobile Computing and Communications
Place of PublicationNew York
PublisherACM
Pages28-34
Number of pages7
ISBN (Print)1581133014
Publication statusPublished - 2000
Externally publishedYes
EventProceedings of the 4th International Workshop on Discrete Algorithms and Methods for Mobile Computing and Communications - Boston, MA, United States
Duration: 11 Aug 200011 Aug 2000

Other

OtherProceedings of the 4th International Workshop on Discrete Algorithms and Methods for Mobile Computing and Communications
CountryUnited States
CityBoston, MA
Period11/08/0011/08/00

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