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321
Novel non-cooperative power control game algorithm for cognitive radio
Published 2012-11-01“…A novel non-cooperative power control algorithm based on new pricing function and the characteristics of cognitive radio technology was proposed with the interference temperature constrain,in order to improve signal to interference plus noise ratio of CR.The problem of power control was changed into the problem of multi-restraints non-linear optimization with interference limits based on channel conditions,maximal network and power limits.The existence and unique of nash equilibrium(NE)in utility function by the principle of game theory and optimization were proved and a distributed algorithm for this game was proposed.Simulation results show that the proposed algorithm can improve users QoS(quality of serves),system performance effectively and improve radio resource efficiency.…”
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323
Study of equivalent point-to-point transmission model for coded relay cooperations
Published 2012-12-01“…LDPC-coded relay cooperation and its joint iterative decoding based on the bi-layer Tanner graph were investigated.The coded relay cooperation becomed an equivalent and relatively simple point-to-point transmission model by introducing the notation of average arithmetic/geometr SNR for the receiver in the destination,which could be employed to perform the further study on more complex coded relay cooperations.Both LDPC-coded relay cooperation and its equivalent point-to-point model have almost the same performance by theoretical analysis and ical simulation,which proves the validity of the introduced equivalent model and the joint iterative decoding based on bi-layer Tanner graph.…”
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324
Trajectory privacy protection mechanism of obfuscating paths based on vehicles cooperation
Published 2019-08-01“…Vehicles sent location information to third parties to obtain location-based services in the Internet of vehicles,which may lead to vehicle trajectory privacy leakage.To address the privacy problem,trajectory privacy protection mechanism of obfuscating paths based on vehicles cooperation was proposed.Firstly,after the vehicle trajectory entropy reaches the custom trajectory protection threshold,the overhead of paths confusion saves by reducing the number of vehicle paths confusion.Then,paths confusion algorithm was designed to increase chances of vehicle paths confusion at intersections,which can improve the degree of vehicle trajectory protection.Finally,the simulation experiment verified the validity and efficiency of the method from the trajectory entropy and trajectory tracking success rate.…”
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325
Distributed Cooperative Search Control Method of Multiple UAVs for Moving Target
Published 2015-01-01“…A performance index function combining with target cost, environment cost, and cooperative cost is constructed, and the cooperative searching problem can be transformed into a central optimization problem. …”
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326
Cooperative Spectrum Sensing Algorithm Based on Double Eigenvalue Limiting Distribution
Published 2014-04-01Get full text
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327
Cooperative Systems in Mountain Regions: A Governance Instrument for Smallholder Entrepreneurs
Published 2015-05-01Get full text
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328
Resource Allocation with MAC Layer Node Cooperation in Cognitive Radio Networks
Published 2010-01-01“…An algorithm for cooperative Dynamic Spectrum Access in Cognitive Radio networks is presented. …”
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329
Opportunistic cooperative spectrum sensing based on eigenvalue ratio of random matrix
Published 2020-02-01Subjects: Get full text
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330
Cooperative Cloud-Edge Feature Extraction Architecture for Mobile Image Retrieval
Published 2021-01-01Get full text
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331
Cooperative Analysis of a Scorpion-like Composite Robot with Multiple Arms
Published 2022-12-01Get full text
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332
Investigating the Perception of Internal Audit in Women's Cooperatives: The Case of Isparta Province
Published 2024-12-01Subjects: Get full text
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333
Cooperative Decay of <i>N</i> Atoms in a Ring Configuration
Published 2025-01-01Subjects: Get full text
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334
Cooperative sensing method considering malicious nodes in cognitive radio networks
Published 2015-06-01Subjects: Get full text
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335
Cooperative ARQ protocol based on switch and stay node selection in WSN
Published 2010-01-01“…A cooperative automatic repeat request(ARQ) protocol based on switch and stay node selection(SSNS-CARQ) was proposed,which could obtain high energy efficiency and reliable transmission at the same time.A Markov model for analyzing the system throughput was built,and system throughput performance of the proposed protocol and the traditional ARQ protocol were analyzed based on such model.Based on a widely used energy consumption model in WSN,the energy consumption performance of SSNS-CARQ protocol and the traditional ARQ protocol were discussed and compared in terms of energy efficiency,and the effects that positions of relay nodes imposed on energy efficiency were also disscussed.Numerical and simulation results validated the Markov model effective for analyzing the system throughput.It is shown that SSNS-CARQ protocol could perform better in terms of throughput and energy efficiency when compared with the traditional ARQ protocol through simulations.…”
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336
Via Crucis of International Cooperation: Terminal Crisis or Resurrection?Introduction to the Dossier
Published 2013-09-01“…Via Crucis of International Cooperation: Terminal Crisis or Resurrection?Introduction to the Dossier…”
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337
STIMULATION OF COOPERATION OF SMALL, MEDIUM AND LARGE INNOVATIVE BUSINESS IN FOREIGN COUNTRIES
Published 2016-01-01“…The role of the state support in questions of cooperation of small and large business in the innovative system is estimated.…”
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338
Brazilian and Chinese Cooperation in African Agriculture. A Practice-based Study
Published 2013-09-01Subjects: “…south-south cooperation…”
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339
Dependable-cooperative channel resource allocation scheme in wireless mesh network
Published 2017-05-01Subjects: Get full text
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340
Knowledge communication model of social network with user cooperation and leadership encouragement
Published 2020-10-01Subjects: “…user cooperation…”
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