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

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

Content Provider	IEEE Xplore Digital Library
Author	Shaolei Ren Van Der Schaar, M.
Copyright Year	2002
Abstract	In this paper, we consider the amplify-and-forward relaying transmission in the downlink of a multi-channel cellular network with one base station and multiple relay-destination pairs. Spatial reuse of the relaying slot by allowing simultaneous transmissions from the relays is adopted to avoid the spectral loss incurred by the half-duplex relays. The relays are modeled as rational agents engaging in a non-cooperative game. In order to maximize its individual rate, each relay node iteratively allocates its power across different subchannels based on local information, while treating the signals from the other users as additive noise. First, we propose a distributed algorithm based on best response that is applicable in any signal to interference plus noise ratio (SINR) regions. Then, by focusing on the low SINR region, we propose a modified iterative water-filling algorithm. The existence of Nash equilibrium (NE) is guaranteed and the sufficient condition to reach a NE iteratively is determined. Next, we consider medium to high SINR regions and propose a distributed algorithm based on the sub-optimal response, which can be shown to reduce to the classic Gaussian interference channel model, for which analytical sufficient conditions for the convergence to the unique NE can be readily obtained. Finally, we extend the analysis to a general network topology wherein the users having different channel conditions coexist. The results show that, in low SINR regions, the proposed modified iterative water-filling algorithm yields a higher average sum rate than two simplified algorithms, i.e., the equal power allocation scheme and the conventional time-division based protocol, while in medium to high SINR regions, the sub-optimal-response based algorithm outperforms these two simplified algorithms in terms of the average sum rate
File Size	508162
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	Cellular networks Relays Signal to noise ratio Iterative algorithms Distributed algorithms Sufficient conditions Downlink Land mobile radio cellular systems Base stations Propagation losses Distributed power allocation, interference channel, relay networks, game theory, Nash equilibrium
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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