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Author: | Falzon, NoƩ |
Title: | Optimal inter-cell coordination for elastic data tracffic |
Publication type: | Master's thesis |
Publication year: | 2010 |
Pages: | [6] + 66 s. + liitt. 7 Language: eng |
Department/School: | Tietoliikenne- ja tietoverkkotekniikan laitos |
Main subject: | Tietoverkkotekniikka (S-38) |
Supervisor: | Aalto, Samuli |
Instructor: | Lassila, Pasi |
Electronic version URL: | http://urn.fi/URN:NBN:fi:aalto-201203131548 |
OEVS: | Electronic archive copy is available via Aalto Thesis Database.
Instructions Reading digital theses in the closed network of the Aalto University Harald Herlin Learning CentreIn the closed network of Learning Centre you can read digital and digitized theses not available in the open network. The Learning Centre contact details and opening hours: https://learningcentre.aalto.fi/en/harald-herlin-learning-centre/ You can read theses on the Learning Centre customer computers, which are available on all floors.
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Location: | P1 Ark Aalto 701 | Archive |
Keywords: | elastic data tracffic interference mitigation inter-cell coordination optimal time scheduling Markov decision process policy improvement |
Abstract (eng): | In cellular networks, where the wireless access is fairly shared among users, individual data rates are subject to variation because of the random nature of the number of active flows in a cell. Another factor is the radio channel quality, which depends highly on the users' positions in the cell, and on the interference caused by nearby base stations. While user activity is random, its effects can be compensated by inter-cell interference coordination. This thesis proposes a queuing model of two interfering base stations, and considers the possibility of turning them on and off depending on the number of users in each cell. We then devise an optimal time scheduling policy that is a set of rules that minimizes the average total number of users in the system and therefore the average delay. We establish that depending on the level of interference, it is beneficial to either serve always both cells at the same time, or on the contrary, to always serve only one queue at a time. |
ED: | 2010-10-14 |
INSSI record number: 41081
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