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检索条件"主题词=adaptive modulation and coding"
320 条 记 录,以下是161-170 订阅
排序:
Wireless Channel State-Aware and adaptive Epidemic Dissemination in Ad Hoc Networks
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INTERNATIONAL JOURNAL OF WIRELESS INFORMATION NETWORKS 2014年 第1期21卷 58-67页
作者: Kontos, Theofanis Anagnostopoulos, Christos Hadjiefthymiades, Stathes Univ Athens Pervas Comp Athens Greece Ionian Univ Dept Informat Corfu Greece Univ Glasgow Sch Comp Sci Glasgow Lanark Scotland Univ Aegean Dept Informat & Commun Syst Engn Mitilini Greece
Ad hoc networks are characterized by limited resources (e.g. energy, bandwidth). Efficient information dissemination while avoiding excessive energy cost can be achieved through the suitable design of a network. To th... 详细信息
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Throughput of HARQ Protocols on a Block Fading Channel
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IEEE COMMUNICATIONS LETTERS 2010年 第3期14卷 257-259页
作者: Lagrange, Xavier Univ Europeenne Bretagne Inst Telecom Telecom Bretagne Bretagne France
This letter considers hybrid automatic repeat request (HARQ) protocols on a block Rayleigh fading channel. We derive the packet loss probability and the throughput for HARQ in closed-form. We propose a simple approxim... 详细信息
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On joint order statistics in correlated Nakagami fading channels
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IEEE COMMUNICATIONS LETTERS 2007年 第9期11卷 717-719页
作者: Kwan, Raymond Ho, Paul Leung, Cyril Simon Fraser Univ Sch Engn Sci Burnaby BC V5A 1S6 Canada Univ British Columbia Dept Elect & Comp Engn Vancouver BC V6T 1Z4 Canada
In this letter, the joint probability density function (pdf) of the order statistics for a set of correlated Nakagami-m fading channels is derived. This result is useful in analyzing the performance of a variety of di... 详细信息
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Link Adaptation Mechanisms Based on Logistic Regression Modeling
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IEEE COMMUNICATIONS LETTERS 2019年 第5期23卷 942-945页
作者: Blanquez-Casado, Francisco Aguayo Tones, Maria del Carmen Gomez, Gerardo Keysight Technol SLU Malaga 29590 Spain Univ Malaga Dept Commun Engn Malaga 29002 Spain
In this letter, we obtain the optimal signal-to-noise ratio regions for the adaptive modulation and coding (AMC) over a set of correlated subcarriers. We use logistic regression to model the block error rate (BLER) wi... 详细信息
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Markov model for admission control in the wireless AMC networks
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IEICE TRANSACTIONS ON COMMUNICATIONS 2006年 第8期E89B卷 2230-2233页
作者: Kwon, Eunhyun Yeon, Hun-je Lee, Jaiyong Jung, Kyunghun Yonsei Univ Sch Elect & Elect Engn Seoul 120749 South Korea
In wireless adaptive modulation and coding (AMC) systems, modulation type of a user's connection can change and the ongoing connection might fail due to the change of modulation. In this paper, we approach the AMC... 详细信息
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Reinforcement Learning Based Efficient Underwater Image Communication
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IEEE COMMUNICATIONS LETTERS 2021年 第3期25卷 883-886页
作者: Su, Wei Tao, Jincheng Pei, Yuehua You, Xudong Xiao, Liang Cheng, En Xiamen Univ Underwater Acoust Commun & Marine Informat Techno Xiamen 361005 Peoples R China Xiamen Univ Dept Informat & Commun Engn Xiamen 361005 Peoples R China
In this letter, we proposed an efficient underwater acoustic (UWA) image communication algorithm based on reinforcement learning which can improve the image quality while reduce the energy consumption and time delay i... 详细信息
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Performance of a CDMA system employing AMC and multicodes in the presence of channel estimation errors
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IEEE TRANSACTIONS ON COMMUNICATIONS 2008年 第2期56卷 189-193页
作者: Kwan, Raymond Leung, Cyril Univ British Columbia Dept Elect & Comp Engn Vancouver BC V6T 1Z4 Canada
The impact of channel state estimation errors in a CDMA system employing adaptive modulation and coding in conjunction with multicodes is studied. The channel is modelled as a finite-state Markov chain and the perform... 详细信息
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adaptive Packet Length and MCS Using Average or Instantaneous SNR
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IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 2018年 第11期67卷 10519-10527页
作者: Alnwaimi, Ghassan Boujemaa, Hatem King Abdulaziz Univ Jeddah 21589 Saudi Arabia Univ Carthage COSIM Lab SupCom El Ghazala 2083 Tunisia
In this paper, we propose a new adaptive link layer protocol that consists in adapting packet length and modulation and coding Scheme (MCS) to Average Signal to Noise Ratio or instantaneous SNR (ISNR). adaptive MCS an... 详细信息
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Joint Optimization of User-Experience and Energy-Efficiency in Wireless Multimedia Broadcast
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IEEE TRANSACTIONS ON MOBILE COMPUTING 2014年 第7期13卷 1522-1535页
作者: Singhal, Chetna De, Swades Trestian, Ramona Muntean, Gabriel-Miro Indian Inst Technol IIT Delhi Bharti Sch Telecommun New Delhi 110016 India IIT Delhi Dept Elect Engn New Delhi 110016 India Middlesex Univ Comp Commun Dept London NW4 4BT England Dublin City Univ Sch Elect Engn Performance Engn Lab Dublin 9 Ireland
This paper presents a novel cross-layer optimization framework to improve the quality of user experience (QoE) and energy efficiency of the heterogeneous wireless multimedia broadcast receivers. This joint optimizatio... 详细信息
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Optimizing Joint Erasure- and Error-Correction coding for Wireless Packet Transmissions
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IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 2008年 第11期7卷 4586-4595页
作者: Berger, Christian R. Zhou, Shengli Wen, Yonggang Willett, Peter Pattipati, Krishna Univ Connecticut Dept Elect & Comp Engn Storrs CT 06269 USA MIT Informat & Decis Syst Lab Cambridge MA 02139 USA
To achieve reliable packet transmission over a wireless link without feedback, we propose a layered coding approach that uses error-correction coding within each packet and erasure-correction coding across the packets... 详细信息
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