resource allocation software algorithms for amc-ofdm systems
DESCRIPTION
Resource Allocation Software Algorithms for AMC-OFDM Systems. Dr. Muayad Sadik Croock. Computer Engineering Department, University of Technology. Layout. Part 1: Adaptive Modulation and Coding based Orthogonal Frequency Division Multiplexing (AMC-OFDM). Introduction. System Model. - PowerPoint PPT PresentationTRANSCRIPT
Resource Allocation Software Algorithms for AMC-OFDM Systems
Dr. Muayad Sadik Croock
Computer Engineering Department,University of Technology
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Layout Part 1: Adaptive Modulation and Coding based Orthogonal
Frequency Division Multiplexing (AMC-OFDM). Introduction. System Model. Developed Software Life Cycle model. Results.
Part 2: Resource Allocation (RA) for AMC-OFDMA. Introduction. System Model. Designed Software Life Cycle model. Results.
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Layout
Part 3: User Scheduling and RA for AMC-OFDMA. Introduction. System Model. Developed Software Life Cycle model. Results.
The software engineering life cycle methodologies have been employed in the designing of advanced communication systems, in order to achieve: scalable, extendible and portable algorithms.
It is well known that the software life cycle methodologies are divided into sequential and cyclical.
These methods exhibit the main four design phases, which are requirements engineering or analysis, design, implementation, and testing.
The life cycle methods are used to design the strategies of the following applications:
1. AMC-OFDM/OFDMA.
2. Resource allocation for AMC-OFDMA.
3. User scheduling and RA for AMC-OFDMA.
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General Introduction
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Life cycle model/ Waterfall Method
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Life cycle model/ Incremental Method
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Life cycle model/ Evolutionary Method
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Part 1: AMC-OFDM.
Introduction
Adaptive Modulation and Coding (AMC) Strategy for OFDM systems based on WiMAX standards.
Modulation and Coding Scheme (MCS).
Modulation types of 16-QAM and QPSK combined with (1/2, 2/3 and 3/4) convolutional coding rates.
Channel state information (CSI), which contains the number of sub-channels and the suitable MCSs.
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System Model
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Transmitted OFDM Frame
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Channel Diagram
Channel model
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Life cycle model/ Developed AMC Strategy
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MCS Selection
MCS Selection
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MCS Selection
MCS Selection
The CSI is generated from the number of the sub-channels and the number of the suitable MCS, which is between 1 and 6 for six MCS options, for each sub-channel individually to sending back to the transmitter.
MCS(1)No.
MCS(2)No. ------
MCS(Ncoh)No.
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ResultsThe Mobile WiMAX system parameters
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Results/ Throughput
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Results/ Spectral Efficiency
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Part 2: RA for AMC-OFDMA.
Introduction
Cross-layer resource allocation (RA) for AMC-OFDMA systems.
Resources include Power, information streams and users.
Modulation and Coding Scheme (MCS).
Optimization methods.
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System Model
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Life cycle model/ Developed RA Strategy
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Problem Formulation
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Results/ Throughput
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Results/ MCS selction statistics
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Part 3: User Scheduling and RA for AMC-OFDMA.
Introduction
Cross-layer scheduling and resource allocation strategies that work across the open system interconnection (OSI) layers.
Scheduling and resource allocation for AMC-OFDMA systems.
Modulation and Coding Scheme (MCS).
Optimization methods.
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System Model
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System Model/ Developed user scheduling and RA Strategy
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Problem Formulation
Results/ Throughput
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Results/ Throughput vs. No Queues
EECE 14
28/09/2010
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Thank you
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