NDLI: Optimum Power Selection Algorithms in Aloha Networks: Random and Deterministic Approaches

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IEEE Transactions on Wireless Communications - Aug. 2007, Vol. 6 No. 8 - Table of Contents

Serially-Concatenated Low-Density Generator Matrix (SCLDGM) Codes for Transmission Over AWGN and Rayleigh Fading Channels

An Extended One-Ring MIMO Channel Model

Opportunistic Beamforming with Limited Feedback

Performance of BPSK Pre-detection MRC Systems over Two-Wave with Diffuse Power Fading Channels

An Efficient Multipath Detection Scheme for CDMA Systems

On the Peak Factors of BPSK and QPSK Modulated MC-CDMA Signals Employing WH Sequences and WH-Based Complementary Sequences

Predetection Switched Combining in Correlated Rician Fading

Analysis of Go-Back-N ARQ in Block Fading Channels

Power Allocation Schemes for Amplify-and-Forward MIMO-OFDM Relay Links

Non-Symmetric Decompanding for Improved Performance of Companded OFDM Systems

A Resource Allocator for the Uplink of Multi-Cell OFDMA Systems

BER Performance of Free-Space Optical Transmission with Spatial Diversity

Joint Power Minimization in Wireless Relay Channels

Packet Error Rate Analysis of ZigBee Under WLAN and Bluetooth Interferences

Quantifying the Degradation of Combined MUI and Multipath Effects in Impulse-Radio UWB

Signal Design for Bandwidth Efficient Multiple Access under Asymptotic Effective Energy Constraints

Field Measurements with a 5.25 GHz Broadband MIMO-OFDM Communication System

Serially-Concatenated LDGM Codes for MIMO Channels

Cross-Layer Design for OFDMA Wireless Systems With Heterogeneous Delay Requirements

A Novel Algorithm of Inter-Subchannel Interference Self-Cancellation for OFDM Systems

Packet-Based Power Allocation for Forward Link Data Traffic

Iterative Joint Channel Estimation and Multi-User Detection for Multiple-Antenna Aided OFDM Systems

Power Control for Fading Cooperative Multiple Access Channels

REACA: An Efficient Protocol Architecture for Large Scale Sensor Networks

A Fair MAC Protocol for IEEE 802.11-Based Ad Hoc Networks: Design and Implementation

Uplink Throughput of TDMA Cellular Systems with Multicell Processing and Amplify-and-Forward Cooperation Between Mobiles

Rate Quantization and Cross-Layer Design of Multiple-Antenna Base Stations with Transmit MMSE and Imperfect CSIT

Service Differentiation Using the Capture Effect in 802.11 Wireless LANs

An Analysis of Uplink OFDMA Optimality

Equilibrium Efficiency Improvement in MIMO Interference Systems: A Decentralized Stream Control Approach

Information Coverage in Randomly Deployed Wireless Sensor Networks

An Effective Resource Management Scheme for UWB Networks with Simultaneous Transmissions

Advanced Transceiver Architectures for Downlink MIMO CDMA Evolution

A Measurement-Based Statistical Model for Industrial Ultra-Wideband Channels

UWB Mixed-Signal Transform-Domain Direct-Sequence Receiver

Multi-Tier Cooperative Broadcasting with Hierarchical Modulations

Quality-of-Service Driven Power and Rate Adaptation over Wireless Links

A dynamic clustering and energy efficient routing technique for sensor networks

Combined packet scheduling and call admission control with minimum throughput guarantee in wireless networks

Iterative Channel Estimation and Decoding of Turbo Coded SFBC-OFDM Systems

Reconfigurable architecture and mobility management for next-generation wireless IP networks

Improving amplify-and-forward relay networks: optimal power allocation versus selection

Optimum Power Selection Algorithms in Aloha Networks: Random and Deterministic Approaches

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Optimum Power Selection Algorithms in Aloha Networks: Random and Deterministic Approaches

Content Provider	IEEE Xplore Digital Library
Author	Khoshnevis, B. Khalaj, B.H.
Copyright Year	2002
Abstract	In this paper, we discuss the optimum random and deterministic power selection algorithms in Aloha networks, where nodes run Exponential Backoff (EB) for contention resolution. In random case, the transmission power of a packet is selected from the available power levels, based on a predetermined probability mass function, while with the deterministic algorithms the transmission power of a packet is a deterministic function of the number of collisions the packet has experienced. Most of the related works in the literature have not addressed the power-throughput characteristics of the power selection algorithms for use in practical system designs and, therefore, this subject has been the major motivation of this paper. For the random case, we will derive optimum random power selection algorithms for unconstrained and constrained power budget scenarios and the corresponding optimum power-throughput characteristics will be presented for the latter case based on perfect capture model. Next, we will introduce a method to extend these results to SIR-based capture model, which will result in sub- optimum power steps and the sub-optimum power-throughput characteristics for the random case. This characteristic will reveal power budget requirements for the target throughput values. In the next step, deterministic power selection algorithms will be introduced and discussed with unconstrained and constrained power budget scenarios and sub-optimum power-throughput characteristic will be derived based on the perfect model. Similar methods, introduced for the random case, may be used to adapt the results to SIR-based model. Finally, by comparing the presented power-throughput characteristics, it will be demonstrated that optimum random and sub-optimum deterministic power selection algorithms have very similar behaviors. Therefore, noting that deterministic algorithms do not require any random power generator block, they may be preferred to random algorithms in similar scenarios.
File Size	584303
File Format	PDF
ISSN	15361276
Volume Number	6
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Transmitters Partitioning algorithms Power system modeling Power generation Interference Modulation coding Intelligent networks
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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