Thesis about LTE

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Here we can share Diploma and Master's Thesis about LTE...


I'll share some thesis about LTE.

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Channel Estimation Techniques of SC-FDMA

Karlstad Univeristy
Department of Physics and Electrical Engineering
Master's Thesis
2007

Contents
1 Introduction 1
1.1 Development of Cellular Wireless Communication . . . . . 1
1.2 3GPP LTE and SC-FDMA . . . . . 2
1.3 Objectives . . . .3
1.4 Organization . . . 3
2 Basic Principle of SC-FDMA 5
2.1 Orthogonal Frequency Division Multiplexing (OFDM) . . . 5
2.2 Single Carrier with Frequency Domain Equalization (SC/FDE) . . 6
2.3 Cyclic Pre¯x (CP) . . . . . 8
2.4 SC-FDMA and OFDMA . . . . . .
2.5 Application of SC-FDMA in 3GPP LTE Uplink . . . . 11
2.5.1 Modulation scheme . . . . 11
2.5.2 Frame format . . . . . 11
3 System Model 13
3.1 Overview of the SC-FDMA system . . . 13
3.2 Transmission model . . . . . . 15
3.2.1 Constellation . . . . . 15
3.2.2 Subcarrier Mapping . . . . 15
3.2.3 Pilot insertion . . . . . . . . 18
3.3 Channel Model . . . . . . . . .19
3.3.1 Characteristics of the Fading Channel . . . . 19
3.3.2 Noise addition . . . . . . 20
3.4 Model structure settings . . . . . . 21
4 Channel estimation 23
4.1 1D estimator . . . . . . . . . . .23
4.1.1 Least Square (LS) channel estimator . . . . . . 23
4.1.2 Finite Impulse Response (FIR) interpolation algorithm . . . 25
4.1.3 LMMSE estimation . . . . . . . . 27
4.1.4 Gauss-Markov estimation . . . . . . 28
4.2 2D estimator . . . . . . . . . 29
4.3 Adaptive estimator . . . . . . . . . . 30
4.3.1 LMS algorithm . . . . . . . . 30
4.3.2 NLMS algorithm . . . . . . 31
4.4 Estimator summary . . . . . . 32
4.4.1 1D estimator . . . . . . . . .32
4.4.2 2D estimator . . . . . . . . . . .33
4.4.3 Adaptive estimator . . . . . . . . 33
5 Simulations 35
5.1 The test case . . . . . . . . . . . . 35
5.2 Results and analysis . . . . . . . . . . 36
5.2.1 Simulation results . . . . . . . . . . . . 36
5.2.2 Analysis . . . . . . . . . . . . . 39

And Please Add Reputation

[DANORM]

Dynamic Radio Resource Management in 3GPP LTE

This thesis is presented as part of Degree of
Table of Contents
Abstract...........................................3
Acknowledgement .......................................5
Table of Contents .....................................................6
List of abbreviations ................................................9
1.0 Introduction...................................................................11
1.1 Problem Statement ..................................12
1.2 Scope of thesis work ................................13
1.3 Thesis Outline ....................................................13
2.0 LTE Technical Background ....................................15
2.1 Multiple Access Techniques ......................................15
2.1.1 Downlink – OFDMA ...............................15
2.1.2 Peak to Average Power Ratio (PAPR) .........................16
2.1.3 Frequency Offset ..........................................16
2.1.4 Uplink – SC-FDMA....................................17
2.1.5 SC-FDMA Transmitter ...........................17
2.1.6 SC-FDMA Receiver ...........................17
2.2 Physical Layer .............................18
2.2.1 Physical Layer Frame Structure ........................19
2.2.2 Downlink Vs Uplink Transmission ..................................21
2.2.3 Downlink Transmission Control Tasks ..................21
2.2.4 Uplink Transmission Control Tasks .................22
2.3 Layer 2 (MAC, RLC, PDCP) ...............................23
2.3.1 Mapping of logical channel onto physical channel ............23
2.3.2 Segmentation and Reassembly of RLC PDU.........................24
2.3.3 Data Delivery Assurance – ARQ/HARQ...................................24
2.3.4 Transport format selection...............................................................24
2.4 Layer 3 - RRC .....................................25
2.4.1 Intercell Interference Control .............................25
2.4.3 Mobility Management ...................................................................25
2.5 Power Control and Dynamic Rate Control........................25
2.6 Radio Resource Scheduling..............................................26
3.0 Previous Work on ICIC and Resource Allocation Algorithms .....................27
3.1 Intercell Interference Control (ICIC)..............................27
3.1.1 Static ICIC...............................................27
3.1.1.1 E*******’s Proposal ................................27
3.1.1.2 Alcatel’s Proposal............................28
3.1.2 Semi-Static ICIC ..................................29
3.1.2.1 Siemen’s Proposal .......................29
3.1.2.2 Softer Frequency Reuse Proposal.................29
3.1.2.3 Proposal based on Users’ Ratio and Multi-Level Frequency Allocation.....30
3.2 Resources Scheduling Algorithms ...............30
3.2.1 Proportional Fairness Resource Allocation Scheme...................31
3.2.2 Softer Frequency Reuse based Resource Scheduling Algorithm .......31
3.2.3 Round Robin Scheduling Scheme ........................32
3.2.4 Resource Scheduling Scheme based on Maximum Interference............32
3.2.5 Resource Scheduling Algorithm based on Dynamic Allocation ...............33
3.3 Thesis work .........................................33
4.0 Design and Implementation....................35
4.1 Requirements....................................35
4.2 Probabilistic Equations..........................................35
4.2.1 Probability of Collisions.............................................35
4.2.2 Steady-State Probabilities..........................................37
4.2.2.1 Mean Service Time of a call..........39
4.3 Uplink Power Management.........................41
4.4 Implementation ........................................43
4.4.1 Simulation .........................................43
4.4.2 Simulation Parameters...........................43
4.4.2.1 Network Traffic.................................44
4.4.2.2 Modulation Schemes and Coding Rates..................44
4.4.2.3 Channel Allocation.....................................44
4.4.2.4 User Generation......................................44
4.5 Performance Metrics .....................45
5.0 Performance Analysis ..........................47
5.1 Intercell Interference Control Schemes ..................47
5.1.1 Static Interference Management with Reuse 1 and Reuse 3.................47
5.1.2 Dynamic Interference Management Schemes ..........49
5.1.3 Partial Isolation Scheme..................51
5.2 Performance Analysis of Resources Scheduling Algorithms ...............53
5.2.1 Round Robin Scheme..............53
5.2.2 Algorithm based on Maximum Interference .....................53
5.2.3 Proportional Fairness Scheduling Algorithm......................53
5.2.4 Scheduling Algorithm based on Softer Frequency Reuse .......54
6.0 Conclusions ..................................55
7.0 Future work .......................................56
References ............................................57

And Please Add Reputation

[ryuzaki_steven]

the other thesis that already posted by the other member:

-Dimensioning of LTE Network (http://www.finetopix.com/showthread.php?17196-Dimensioning-of-LTE-Network)
-Thesis on LTE Simulator (http://www.finetopix.com/showthread.php?25452-Thesis-on-LTE-Simulator)
-Self-Optimization of Coverage and Capacity in LTE using Adaptive Antenna Systems (http://www.finetopix.com/showthread.php?24864-LTE-Self-Optimization-of-Coverage-and-Capacity-in-LTE-using)
-Performance Evaluation of LTE Downlink with MIMO Techniques (thesis) (http://www.finetopix.com/showthread.php?24049-Performance-Evaluation-of-LTE-Downlink-with-MIMO-Techniques-%28thesis%29)
-Network Capacity, Coverage Estimation and Frequency Planning of 3GPP LTE (http://www.finetopix.com/showthread.php?24099-Network-Capacity-Coverage-Estimation-and-Frequency-Planning-of-3GPP-LTE)
-Automated RRM Optimization of LTE networks using Statistical Learning (http://www.finetopix.com/showthread.php?24729-Automated-RRM-Optimization-of-LTE-networks-using-Statistical-Learning)
-Calculation of the coverage area of mobile broadband communications. (http://www.finetopix.com/showthread.php?13320-Calculation-of-the-coverage-area-of-mobile-broadband-communications.)
-Advanced Power Control for UTRAN LTE Uplink (http://www.finetopix.com/showthread.php?20502-Advanced-Power-Control-for-UTRAN-LTE-Uplink)
-A Long Term Evolution Link Level Simulator(thesis) (http://www.finetopix.com/showthread.php?24032-A-Long-Term-Evolution-Link-Level-Simulator%28thesis%29)
-Frequency Hopping in LTE Uplink (http://www.finetopix.com/showthread.php?23790-Frequency-Hopping-in-LTE-Uplink)
-Uplink RRM for QoS Provision in LTE With Emphasis on Admission Control and Handover (http://www.finetopix.com/showthread.php?21745-Uplink-RRM-for-QoS-Provision-in-LTE-With-Emphasis-on-Admission-Control-and-Handover)
-A COMPREHENSIVE ANALYSIS OF LTE PHYSICAL LAYER (http://www.finetopix.com/showthread.php?23669-A-COMPREHENSIVE-ANALYSIS-OF-LTE-PHYSICAL-LAYER)
-CARRIER SIMULATION LTE (http://www.finetopix.com/showthread.php?23132-CARRIER-SIMULATION-LTE)
-CHANNEL ESTIMATION FOR LTE DOWNLINK (thesis report) (http://www.finetopix.com/showthread.php?19193-CHANNEL-ESTIMATION-FOR-LTE-DOWNLINK-%28thesis-report%29)
-Link Adaptation Improvements for Long Term Evolution (LTE) (http://www.finetopix.com/showthread.php?21231-Link-Adaptation-Improvements-for-Long-Term-Evolution-%28LTE%29)
-Closed loop power control for LTE uplink (thesis review) (http://www.finetopix.com/showthread.php?19213-Closed-loop-power-control-for-LTE-uplink-%28thesis-review%29)
-Intercell Interference Management in an OFDM-based Downlink (http://www.finetopix.com/showthread.php?17961-Intercell-Interference-Management-in-an-OFDM-based-Downlink)
-Performance Analysis and Comparison of OFDM Based Packet Transmission System with QAM (http://www.finetopix.com/showthread.php?15910-Performance-Analysis-and-Comparison-of-OFDM-Based-Packet-Transmission-System-with-QAM)
-MIMO Propagation Channel (http://www.finetopix.com/showthread.php?15025-MIMO-Propagation-Channel)
-E-UTRA RACH within the LTE system (http://www.finetopix.com/showthread.php?14801-E-UTRA-RACH-within-the-LTE-system)
-MIMO Techniques for UTRA Long Term Evolutions (http://www.finetopix.com/showthread.php?12528-LTE-Academic-Document)
-Co-channel Interference in Spread Spectrum MIMO Wireless Communication Systems (http://www.finetopix.com/showthread.php?12132-Co-channel-Interference-in-Spread-Spectrum-MIMO-Wireless-Communication-Systems)

BR

[DANORM]

Doctoral Dissertation
KTH – Royal Institute of Technology
Stockholm, Sweden, 2009

Multi-Band Multi-Standard CMOS Receiver
Front-Ends for 4G Mobile Applications

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[DANORM]

“A Long Term Evolution (LTE) Downlink (DL) inspired channel simulator using the SUI 3 channel model”

A Thesis
Presented in partial fulfillment of the requirements for the degree of
Master of Science in Electrical Engineering with specialization in
Telecommunication

Blekinge Institute of Technology

Page 5 of 50
Table of contents
1 Introduction 12
1.1 Background………12
1.2 LTE upgrade path...14
1.3 LTE key features....15
1.4 3G LTE evolution..16
1.5 LTE time schedules17
1.6 Thesis motivation...18
1.7 Outlines of the thesis……………………………………..18
2 Physical layer of the LTE system 19
2.1 Channel coding…………………………………..21
2.1.1 Turbo coding……………………………....21
2.2 OFDM…………….21
2.2.1 OFDM transmission has several advantages over a single carrier system…………………22
2.2.2 Drawback…..23
2.2.3 Overview of OFDM based structure……………......24
2.2.4 Mapping of sub-carrier……………………………...24
2.4 MIMO and MRC….25
2.5 Typical channel model……………………………………30
3 System model 35
3.1 Channel model…….36
3.1.2 AWGN channel model……………………………...36
3.1.3 The COST 259 channel model……………………...36
3.1.4 Modified Stanford university interim channel model38
3.1.5 Implemented channel model………………………..43
4 Simulation Results 44
4.1 AWGN channel………………….………………………..45
4.2 Simulation results using the SUI 3 channel…………….....47
5 Conclusion and future work 49
6 References

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[tarigsalah]

Thanks really I was looking for research in LTE

[hendral]

Can you share it for us to freely server ??



“A Long Term Evolution (LTE) Downlink (DL) inspired channel simulator using the SUI 3 channel model”

A Thesis
Presented in partial fulfillment of the requirements for the degree of
Master of Science in Electrical Engineering with specialization in
Telecommunication

Blekinge Institute of Technology

Page 5 of 50
Table of contents
1 Introduction 12
1.1 Background………12
1.2 LTE upgrade path...14
1.3 LTE key features....15
1.4 3G LTE evolution..16
1.5 LTE time schedules17
1.6 Thesis motivation...18
1.7 Outlines of the thesis……………………………………..18
2 Physical layer of the LTE system 19
2.1 Channel coding…………………………………..21
2.1.1 Turbo coding……………………………....21
2.2 OFDM…………….21
2.2.1 OFDM transmission has several advantages over a single carrier system…………………22
2.2.2 Drawback…..23
2.2.3 Overview of OFDM based structure……………......24
2.2.4 Mapping of sub-carrier……………………………...24
2.4 MIMO and MRC….25
2.5 Typical channel model……………………………………30
3 System model 35
3.1 Channel model…….36
3.1.2 AWGN channel model……………………………...36
3.1.3 The COST 259 channel model……………………...36
3.1.4 Modified Stanford university interim channel model38
3.1.5 Implemented channel model………………………..43
4 Simulation Results 44
4.1 AWGN channel………………….………………………..45
4.2 Simulation results using the SUI 3 channel…………….....47
5 Conclusion and future work 49
6 References

And Please Add Reputation

[DANORM]

Can you share it for us to freely server ??

here it is

http://www.4shared.com/rar/6igkZQUw/A_Long_Term_Evolution__LTE__Do.html

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