NDLI: Bandwidth exchange: an energy conserving incentive mechanism for cooperation

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IEEE Transactions on Wireless Communications - Front cover

A framework to calculate space-frequency correlation in multi-carrier systems

Linear precoding of STBC over correlated ricean MIMO channels

New receivers for generalized UWB transmitted reference systems with improved performances

Geometry-based optimal power control of fading multiple access channels for maximum sum-rate in cognitive radio networks

Spectrum sensing with active cognitive systems

Analysis of OFDM error rates over nonlinear fading radio channels

Random access for elastic and inelastic traffic in WLANs

Credit pre-reservation mechanism for UMTS prepaid service

Clustering and cluster-based routing protocol for delay-tolerant mobile networks

Efficient techniques for monitoring missing RFID tags

On the diversity order of non-orthogonal amplify-and-forward over block-fading channels

Capacity with Explicit Delay Guarantees for Generic Sources over Correlated Rayleigh Channel

Low complexity cross-layer design with packet dependent scheduling for heterogeneous traffic in multiuser OFDM systems

Lifetime-resource tradeoff for multicast traffic in wireless sensor networks

Maximum-likelihood noncoherent OSTBC detection with polynomial complexity

Throughput analysis of interference-limited MIMO-based cellular systems

Distributed power allocation in multi-user multi-channel cellular relay networks

On the Throughput, Delay, and Energy Efficiency of Distributed Source Coding in Random Access Sensor Networks

Blind Frequency-Dependent I/Q Imbalance Compensation for Direct-Conversion Receivers

Modeling the Ultra-Wideband Outdoor Channel: Model Specification and Validation

Adaptive Modulation in PU²RC Systems with

Coded DS-CDMA systems with iterative channel estimation and no pilot symbols

Channel estimation and training design for two-way relay networks with power allocation

Robustness analysis and new hybrid algorithm of wideband source localization for acoustic sensor networks

Distributed consensus-based demodulation: algorithms and error analysis

Bandwidth exchange: an energy conserving incentive mechanism for cooperation

Optimal power allocation for OFDM-based cognitive radio with new primary transmission protection criteria

Turbo equalization for doubly-selective fading channels using nonlinear kalman filtering and basis expansion models

Cooperative wireless multicast: performance analysis and power/location optimization

Random access transport capacity

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Bandwidth exchange: an energy conserving incentive mechanism for cooperation

Content Provider	IEEE Xplore Digital Library
Author	Zhang, D. Shinkuma, R. Mandayam, N.B.
Copyright Year	2002
Abstract	Cooperative forwarding in wireless networks has shown to yield rate and diversity gains, but it incurs energy costs borne by the cooperating nodes. In this paper we consider an incentive mechanism called Bandwidth Exchange (BE) where the nodes flexibly exchange the transmission bandwidth as a means of providing incentive for forwarding data, without increasing either the total bandwidth required or the total transmit power. The advent of cognitive radios and multicarrier systems such as Orthogonal Frequency Division Multiple Access (OFDMA) with the ability to flexibly delegate and employ a number of subcarriers makes this approach particularly appealing compared to other incentive mechanisms that are often based on abstract notions of credit and shared understanding of worth.We consider a N-node wireless network over a fading channel and use a Nash Bargaining Solution (NBS) mechanism to study the benefits of BE in terms of rate and coverage gains.We also propose two heuristic algorithms based on simple probabilistic rules for forwarding and study the tradeoffs in terms of performance among these approaches. Our results reveal that bandwidth exchange based forwarding can provide transmit power savings in OFDMA networks of at least 3dB compared to noncooperation.
File Size	688277
File Format	PDF
ISSN	15361276
Volume Number	9
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bandwidth Costs Wireless networks Cognitive radio NIST Diversity methods Frequency conversion Fading Heuristic algorithms Throughput Cognitive radio, incentive mechanism, bandwidth, exchange, Nash bargaining, OFDMA
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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