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检索条件"主题词=Modulation coding"
7022 条 记 录,以下是401-410 订阅
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A modulation Dependent Channel Coherence Metric for VANET Simulation Using IEEE 802.11p
A Modulation Dependent Channel Coherence Metric for VANET Si...
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IEEE Conference on Vehicular Technology (VTC)
作者: Jared Dulmage Michael P. Fitz Danijela Čabrić Department of Electrical Engineering University of California Los Angeles Los Angeles California
The most common physical layer models for network simulations are the bit error rate and the SNR threshold model. In time-varying channels such as those experienced in vehicular networks, these models are assumed vali... 详细信息
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EVM based AMC for an OFDM system
EVM based AMC for an OFDM system
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Wireless Telecommunications Symposium, WTS
作者: Ramdane Chouitem US
A conventional OFDM system often poses a stringent linearity requirement to the transmitter, especially the radio-frequency power amplifier (RFPA), to maintain its bit error rate (BER). As a result, the output power f... 详细信息
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A robust bias detection method in the frequency domain for code delay estimation applied to modern navigation modulations.
A robust bias detection method in the frequency domain for c...
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IEEE Symposium on Position Location and Navigation (PLANS)
作者: David Fernandez Prim Institute of Applied Systems Technology Joanneum Research Forschungsgesellschaft GmbH Graz Austria
The present paper develops an innovative method in the frequency domain for code delay false lock detection and resolution, applicable to GNSS receivers compatible with subcarrier navigation modulations. This novel te... 详细信息
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Adaptive Wavelet modulation for Cognitive Radio
Adaptive Wavelet Modulation for Cognitive Radio
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IEEE Conference on Wireless Communications and Networking
作者: Marco Lixia Maurizio Murroni Department of Electrical and Electronic Engineering University of Cagliari Cagliari Italy
Wavelet modulation (WM) has been investigated in the past as multi-rate transmission technique on channels unknown in time or bandwidth. Such a channel conditions are common in Dynamic Spectrum Access (DSA) networks w... 详细信息
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Half-symbol BPSK-modulated multicarrier system using parallel combinatory code
Half-symbol BPSK-modulated multicarrier system using paralle...
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International Conference on Wireless and Optical Communications ( WOCC)
作者: Yafei Hou Tomohiro Hase Research Center of Information and Communication Systems Ryukoku University Japan Faculty of Science and Technology Ryukoku University Japan
This paper introduces a novel multicarrier system called the BPSK modulated parallel combinatory / half-symbol multicarrier modulation (PC/HS-MCM) system by combining the BPSK modulated HS-MCM system and the parallel ... 详细信息
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On the Performance of Pilot Symbol Assisted modulation for Cooperative Systems with Imperfect Channel Estimation
On the Performance of Pilot Symbol Assisted Modulation for C...
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IEEE Conference on Wireless Communications and Networking
作者: M. Jafar Taghiyar Sami Muhaidat Jie Liang School of Engineering Science Simon Fraser University BC Canada
In this paper, we analyze the impact of imperfect channel estimation on the performance of pilot symbol assisted modulation (PSAM) used in a relay communication system with distributed space time block code (STBC) and... 详细信息
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Novel signaling scheme for 1x CDMA-based femtocell networks
Novel signaling scheme for 1x CDMA-based femtocell networks
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International Conference on Advanced Communication Technology (ICACT)
作者: Kuen-Chool Yoo Tae-Jin Lee School of Information and Communication Engineering Sungkyunkwan University Suwon South Korea
Femtocell networks can support iosolated coverage area and provide high data rates for mobile users by using wired Internet lines such as xDSL and cable TV networks for backhaul connectivity. Femtocell networks can be... 详细信息
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Fundamentals of coding and modulation Tutorial at ECOC 2009, Vienna, Austria
Fundamentals of Coding and Modulation Tutorial at ECOC 2009,...
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European Conference on Optical Communication (ECOC)
作者: Gerhard Kramer Department of Electrical Engineering-Systems University of Southern California USA
A collection of slides from the author presentation is presented. This paper discusses the fundamentals of channel coding, linear block codes, hard and soft decoding.
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A novel coding-rotated-modulation OFDM scheme
A novel coding-rotated-modulation OFDM scheme
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IEEE International Conference on Communications Technology and Applications, ICCTA
作者: Zhanji Wu Tingting Fu Xu Wang liling Zhang Yunmeng Gao Cheng Ma Wenbo Wang Wireless Signal Processing and Network Laboratory Department of Information and Telecommunication Engineering Beijing University of Posts and Telecommunications Beijing China
The increasing need of high data rate transmissions over fading channels has drawn attention to modulation schemes with high spectral efficiency such as the multidimensional rotated MPSK/QAM constellations. A novel co... 详细信息
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On the baseband hardware complexity of modernized GNSS receivers
On the baseband hardware complexity of modernized GNSS recei...
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IEEE International Symposium on Circuits and Systems (ISCAS)
作者: Nagaraj C Shivaramaiah Andrew G Dempster School of Surveying and Spatial Information Systems University of New South Wales Sydney NSW Australia
This paper discusses the resource and power requirements of baseband signal processing circuitry to process new Global Navigation Satellite Systems (GNSS) signals. The large signal bandwidth, multiple longer spreading... 详细信息
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