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检索条件"主题词=Space-frequency coding"
44 条 记 录,以下是11-20 订阅
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Distributed space-frequency coding over Broadband Relay Channels
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IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 2008年 第11期7卷 4748-4759页
作者: Seddik, Karim G. Liu, K. J. Ray Univ Alexandria Dept Elect Engn Alexandria 21544 Egypt Univ Maryland Dept Elect & Comp Engn College Pk MD 20742 USA Univ Maryland Syst Res Inst College Pk MD 20742 USA
Designing diversity achieving schemes over the wireless broadband fading relay channels is crucial to achieve higher diversity gains. These gains are achieved by exploiting the multi-path (frequency) and cooperative d... 详细信息
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space-frequency Codes Based on the space-Time Codes With Very Low Complexity for the Decoder
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IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 2013年 第9期62卷 4678-4684页
作者: Shahabinejad, Mostafa Hosseini, Fatemeh G. Talebi, Siamak Shahid Bahonar Univ Kerman Dept Elect Engn Kerman Iran Sharif Univ Technol Adv Commun Res Inst Tehran Iran
In this paper, we introduce a family of full-diversity space-frequency codes (SFCs) for the multi-input-multi-output orthogonal frequency-division multiplexing (MIMO-OFDM) systems. The most important feature of the pr... 详细信息
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Full-Diversity space-frequency Trellis Codes Designing Method
Full-Diversity Space-Frequency Trellis Codes Designing Metho...
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13th International Symposium on Communications and Information Technologies (ISCIT) - Communication and Information Technology for New Life Style Beyond the Cloud
作者: Woradit, Kampol Srinakharinwirot Univ Dept Elect Engn Fac Engn Nakhonnayok Thailand
This paper introduces a method to design spacefrequency trellis codes for a system that combines space-time coding with orthogonal frequency division multiplexing (OFDM) to realize broad-band wireless communications. ... 详细信息
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Full-Diversity space-frequency Trellis Codes Designing Method
Full-Diversity Space-Frequency Trellis Codes Designing Metho...
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International Symposium on Communications and Information Technologies
作者: Kampol Woradit Department of Electrical Engineering Faculty of Engineering Srinakharinwirot University Nakhonnayok Thailand
This paper introduces a method to design spacefrequency trellis codes for a system that combines space-time coding with orthogonal frequency division multiplexing (OFDM) to realize broad-band wireless communications. ... 详细信息
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A Rate-1 space-Time Diversity Method for Rotated 4-QAM Constellations
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WIRELESS PERSONAL COMMUNICATIONS 2012年 第2期64卷 211-223页
作者: Hacioglu, Gokce Gangal, Ali Karadeniz Tech Univ Dept Elect & Elect Engn Trabzon Turkey
We propose a rate-1 space-time transmit diversity technique. We obtained second-order diversity by transmitting the real and imaginary parts of the symbols from two antennas. With four transmit antennas, we can add Al... 详细信息
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New Full-Diversity space-frequency Block Codes Based on the OSTBCs
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IEEE COMMUNICATIONS LETTERS 2012年 第10期16卷 1620-1623页
作者: Mohammadian, Zahra Shahabinejad, Mostafa Talebi, Siamak Shahid Bahonar Univ Kerman Dept Elect Engn Kerman Iran Sharif Univ Technol Adv Commun Res Inst Tehran Iran
In this paper, we introduce new full-diversity spacefrequency block codes (SFBCs) based on orthogonal space-time block codes (OSTBCs). We show that the proposed schemes are capable of attaining full-diversity and rate... 详细信息
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Rate 1 space-time and space-frequency spreading diversity technique
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TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES 2011年 第3期19卷 463-482页
作者: Hacioglu, Gokce Gangal, Ali Karadeniz Tech Univ Dept Elect & Elect Engn Trabzon Turkey
In this study, a rate 1 transmitter diversity technique is proposed. The proposed technique uses spreading transform and space-time block coding (STBC) together. space-time, space-frequency, and frequency diversity ap... 详细信息
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A frequency Domain Pre-Equalizer for MIMO-OFDM Mobile Communication Systems Employing Alamouti coding
A Frequency Domain Pre-Equalizer for MIMO-OFDM Mobile Commun...
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12th IEEE International Workshop on Signal Processing Advances in Wireless Communications
作者: Baracca, P. Benvenuto, N. Vangelista, L. Univ Padua Dept Informat Engn I-35100 Padua Italy
Orthogonal frequency division multiplexing (OFDM) is a very popular modulation scheme because it requires a very simple receiver in transforming a frequency-selective channel into multiple flat-fading channels. Furthe... 详细信息
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Performance of SFBC-OFDM System with Pilot Aided Channel Estimation
Performance of SFBC-OFDM System with Pilot Aided Channel Est...
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7th IEEE International Wireless Communications and Mobile Computing Conference (IWCMC)
作者: Delestre, Fabien Sun, Yichuang Univ Hertfordshire Sch Engn & Technol Hatfield AL10 9AB Herts England
This paper introduces a computationally efficient pilot aided channel estimation method for space-frequency block coding (SFBC) Orthogonal frequency Division Multiplexing (OFDM) systems under frequency selective chann... 详细信息
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LDPC based differential unitary space-frequency coding for MIMO-OFDM systems
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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2005年 第6期6卷 294-298页
作者: 姜海宁 罗汉文 田继锋 宋文涛 刘兴钊 Department of Electronic Engineering Shanghai Jiaotong University Shanghai 200030 China
This paper proposes a novel LDPC based differential unitary space-frequency coding (DUSFC) scheme for MIMO-OFDM systems when neither the transmitter nor the receiver has access to the channel state information (CSI). ... 详细信息
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