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检索条件"主题词=Modulation coding"
7022 条 记 录,以下是951-960 订阅
Trellis coded 3-dimensional OFDM system
Trellis coded 3-dimensional OFDM system
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International Symposium on Communications and Information Technologies (ISCIT)
作者: Zijing Zhang Eun Chang Choi Seog Geun Kang School of Electrical and Electronic Engineering Gyeongsang National University Jinju Chungcheongnam South Korea Green Computing Research Department Electronics and Telecommunications Research Institute Daejeon South Korea
In this paper, the structure of a trellis-coded 3-dimensional orthogonal frequency division multiplexing (3-D OFDM) is proposed and its error performance in additive white Gaussian channel is analyzed. We present the ... 详细信息
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A region-specific QIM-based watermarking scheme for digital images
A region-specific QIM-based watermarking scheme for digital ...
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IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)
作者: Lino Coria Panos Nasiopoulos Rabab Ward Electronics Systems and Informatics Department Instituto Tecnológicoy de Estudios Superiores de Occidente Jalisco Mexico Electrical and Computer Engineering Department University of British Columbia Vancouver BC Canada
Angle Quantization Index modulation (AQIM) is a watermarking technique that achieves provably good capacity-distortion-robustness performance. The scheme embeds each bit of a watermark message on an image by quantizin... 详细信息
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Adaptive power loading for OFDM cooperative networks
Adaptive power loading for OFDM cooperative networks
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Canadian Workshop on Information Theory (CWIT)
作者: Osama Amin Murat Uysal Department of Electrical and Computer Engineering University of Waterloo ONT Canada
In this paper, we investigate power allocation strategies for an orthogonal frequency division multiplexing (OFDM) cooperative network over frequency-selective fading channels. Assuming amplify-and-forward relaying, w... 详细信息
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Iterative SU-MIMO receivers based on SOMA demappers with improved survivor selection
Iterative SU-MIMO receivers based on SOMA demappers with imp...
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IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
作者: Haralabos C. Papadopoulos Carl-Erik W. Sundberg DoCoMo Communications Laboratory USA Inc. Palo Alto CA USA
We present a new class of reduced-complexity high-performance iterative receivers for single-user MIMO/OFDM systems with bit-interleaved coded modulation (BICM). The proposed inner-outer decoder structures rely on joi... 详细信息
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Rate-Per-Link Adaptation in Cooperative Wireless Networks with Multi-Rate Combining
Rate-Per-Link Adaptation in Cooperative Wireless Networks wi...
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IEEE International Conference on Communications (ICC)
作者: H. S. Lichte S. Valentin H. von Malm H. Karl A. Bin Sediq I. Aad Computer Networks Group University of Paderborn Germany Broadband Communications and Wireless Systems Centre Carleton University Ottawa Canada DoCoMo Conimunications Laboratories Europe GmbH Munich Germany
Rate adaptation based on signal-to-noise ratio (SNR) measurements is a common channel adaptation scheme to increase throughput in wireless communication systems. To use rate adaptation efficiently in cooperative wirel... 详细信息
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Effective SNR mapping algorithms for link prediction model in 802.16e
Effective SNR mapping algorithms for link prediction model i...
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International Conference on Ultra Modern Telecommunications and Workshops (ICUMT)
作者: Fernando López Aguilar Gorka Rubio Cidre Javier Regidor París Telefònica Research and Development Madrid Spain
Link layer abstraction is crucial both the cross layer simulation and design and the interface to complete a system level simulator. The calibration takes an important role within this design. In this paper we have us... 详细信息
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Minimizing Power Using Large Bandwidth PPM Transmission and DPCM Source coding
Minimizing Power Using Large Bandwidth PPM Transmission and ...
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IEEE Conference on Vehicular Technology (VTC)
作者: Minh-Long Pham Tor A. Ramstad Ilangko Balasingham Department of Electronics and Telecommunications Norwegian University of Science and Technology Trondheim Norway Rikshospitalet Medical Center Interventional Center Oslo Norway
To prolong the lifetime of nodes in wireless sensor networks, both transmission cost and processing power should be minimized. For this purpose, we propose a new direct source channel mapping method which utilizes lar... 详细信息
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Reduced Feedback Schemes for LTE MBMS
Reduced Feedback Schemes for LTE MBMS
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IEEE Conference on Vehicular Technology (VTC)
作者: Yi Cai Shan Lu Li Zhang Chunye Wang Peter Skov Zhiqiang He Kai Niu Information Theory and Technology Center Beijing University of Posts and Telecommunications Beijing China Nokia Siemens Networks Research and Development Beijing China
In radio resource management of multimedia broadcast/multicast service (MBMS), user equipment (UE) feedback can be used by evolved Node B (eNB) to improve the radio spectral efficiency. As UE feedback is costly we her... 详细信息
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Error exponent of exclusive-or multiple-access channels
Error exponent of exclusive-or multiple-access channels
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IEEE International Symposium on Information Theory
作者: Jinho Kim Wayne E. Stark Department of Electrical Engineering and Computer Science University of Michigan Ann Arbor MI USA
We investigate the error exponent of exclusive-or multiple-access channels (XMAC) where the receiver wants to reconstruct the exclusive-or of incoming messages from two transmitters. We consider both the multiple acce... 详细信息
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Iteratively Detected Three-Stage Multi-Dimensional Sphere Packing modulation Aided Multi-Functional MIMO
Iteratively Detected Three-Stage Multi-Dimensional Sphere Pa...
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GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference
作者: Mohammed El-Hajjar Osamah Alamri Lajos Hanzo School of Electronics and Computer Science University of Southampton UK
This paper presents a novel multi-functional MultipleInput Multiple-Output (MIMO) scheme that combines the benefits of the Vertical Bell Labs Layered Space-Time (V-BLAST) scheme, of SpaceTime Codes (STC) as well as of... 详细信息
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