Applications of Blind Interference Alignment in Dense Cellular Networks with Short Coherence Times

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Applications of Blind Interference Alignment in

Dense Cellular Networks with Short Coherence

Times

Ramin Bakhshi

Submitted to the

Institute of Graduate Studies and Research

in partial fulfillment of the requirements for the degree of

Doctor of Philosophy

in

Electrical and Electronic Engineering

Eastern Mediterranean University

December 2018

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Approval of the Institute of Graduate Studies and Research

Assoc. Prof. Dr. Ali Hakan Ulusoy Acting Director

I certify that this thesis satisfies all the requirements as a thesis for the degree of Doctor of Philosophy in Electrical and Electronic Engineering.

Assoc. Prof. Dr. Hasan Demirel Chair, Department of Electrical and

Electronic Engineering

We certify that we have read this thesis and that in our opinion it is fully adequate in scope and quality as a thesis for the degree of Doctor of Philosophy in Electrical and Electronic Engineering.

Prof. Dr. Erhan A. İnce Supervisor

Examining Committee 1. Prof. Dr. Emre Aktaş

2. Prof. Dr. Aykut Hocanın 3. Prof. Dr. Erhan A. İnce 4. Prof. Dr. Erdal Panayırcı

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User1

User2

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0 10 20 30 40 50 60 Number of allowable symbol extensions (Tmax)

1.5 1.55 1.6 1.65 1.7 1.75 1.8 1.85 1.9 1.95 2 su m -D oF

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0 1 2 3 4 5 6 7 8 9 10

Femto base station transmit power (dBw) Avg. Total Avg. Femtocells Avg. Macrocells 4 6 8 10 12 14 16 18 20 1 2 3 4 5 6 7 8 9

Macro base station transmit power (dBw) Avg. Total

Avg. Femtocells Avg. Macrocells

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4 6 8 10 12 14 16 18 20 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5

Macro base station transmit power (dBw) Baseline: 2FC , 2MUs

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2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 [1 0 0 0 0 0 0 0 0 0 0 0 0] [0 1 0 0 0 0 0 0 0 0 0 0 0] [1 0 0 0 0 0 0 0 0 0 0 0 1] [1 1 0 0 0 0 0 0 0 0 0 0 0] [1 0 0 0 0 0 0 0 0 0 0 0 2] [1 1 0 0 0 0 0 0 0 0 0 0 1] [2 0 0 0 0 0 0 0 0 0 0 0 2] _{[1 1 0 0 0 0 0 0 0 0 0 0 2]} [2 0 0 0 0 0 0 0 0 0 0 0 3] [2 1 0 0 0 0 0 0 0 0 0 0 2] [2 0 0 0 0 0 0 0 0 0 0 0 4] [2 1 0 0 0 0 0 0 0 0 0 0 3] [3 0 0 0 0 0 0 0 0 0 0 0 4] [2 1 0 0 0 0 0 0 0 0 0 0 4] Number of FUs D tot (15,z, =0.7) at A[K,M] * D tot up_{= D} tot (15,z, =1) at A[K,M] *

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