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检索条件"主题词=Modulation coding"
7024 条 记 录,以下是131-140 订阅
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The effect of channel's delay spread on the efficiency of OFDM system  22
The effect of channel's delay spread on the efficiency of OF...
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22nd Iranian Conference on Electrical Engineering (ICEE)
作者: Fotohabady, V. Said, F. Kings Coll London Dept Informat CTR London WC2R 2LS England
Multipath spread is one of the most important factors which limit data transfer with high bit rate. Data transfer with high bit rate is possible in the range of gigahertz. The main problem in this frequency range is m... 详细信息
来源: 评论
INTERSYSTEM JAMMING OF WIRELESS COMMUNICATIONS BASED ON UWB NOISE SIGNALS  24
INTERSYSTEM JAMMING OF WIRELESS COMMUNICATIONS BASED ON UWB ...
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24th International Crimean Conference Microwave & Telecommunication Technology (CriMiCo)
作者: Kalinin, V., I Radchenko, D. E. Cherepenin, V. A. RAS Kotelnikov Inst Radio Engn & Elect Fryazino Branch Inst Russian Acad Sci 1 Vvedenskogo Sq Fryazino 141190 Moscow Reg Russia
Numerical simulation of UWB noise communications with spectrum spreading is performed. It is detected that the intersystem jamming appearing in result of code spectrum modulation. Noise performance of UWB communicatio... 详细信息
来源: 评论
Increasing the Throughput of HARQ via Multi-packet Transmission
Increasing the Throughput of HARQ via Multi-packet Transmiss...
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IEEE Global Communications Conference (GLOBECOM)
作者: El Hamss, Aata Szczecinski, Leszek Piantanida, Pablo INRS EMT Montreal PQ Canada SUPELEC Gif Sur Yvette France
In this work we consider incremental redundancy hybrid ARQ (HARQ) transmission of data packets over independent block-fading channels. In HARQ, the transmitter, upon request (NACK), resends the "NACKed" pack... 详细信息
来源: 评论
Packet Appending for BICM-ID - Simplified Receiver Design  9
Packet Appending for BICM-ID - Simplified Receiver Design
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9th International Symposium on Communication Systems, Networks & Digital Signal Processing (CSNDSP)
作者: Krasicki, Maciej Poznan Univ Tech Chair Wireless Commun Poznan Poland
The author revises his concept of Packet Appending for Bit-Interleaved Coded modulation with Iterative Decoding (PA-BICM-ID) and proposes a new receiver design in which some demapper operations are called in every ite... 详细信息
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Interference Suppression Using EM Algorithm in OFDM Transmissions
Interference Suppression Using EM Algorithm in OFDM Transmis...
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IEEE Global Communications Conference (GLOBECOM)
作者: Yoda, Naotoshi Ohtsuki, Tomoaki Mashino, Jun Sugiyama, Takatoshi Keio Univ Dept Informat & Comp Sci Kohoku Ku 3-14-1 Hiyoshi Yokohama Kanagawa 2238522 Japan NTT Access Network Serv Syst Labs Yokosuka Kanagawa 2390847 Japan
Interference detection and suppression schemes are proposed for coded OFDM systems in the presence of narrow-band interference. Previously proposed interference detection schemes perform with a recursive forward error... 详细信息
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A coding Scheme Using Redundant Bits for Bit Patterned Media Recording Channel without Overshoot
A Coding Scheme Using Redundant Bits for Bit Patterned Media...
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Annual Summit and Conference of Asia-Pacific-Signal-and-Information-Processing-Association (APSIPA)
作者: Arrayangkool, Autthasith King Mongkuts Inst Technol Ladkrabang Coll Data Storage Innovat Bangkok 10520 Thailand
In bit patterned magnetic recording (BPMR), The two-dimensional (2D) interference composed of inter-symbol and inter-track interference is a major problem especially at high areal density (AD). One way to alleviate th... 详细信息
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Optimal Resource Allocation for Type-II HARQ based OFDMA Ad Hoc Networks under Individual Rate and PER Constraints  79
Optimal Resource Allocation for Type-II HARQ based OFDMA Ad ...
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IEEE 79th Vehicular Technology Conference (VTC-Spring)
作者: Ksairi, Nassar Ciblat, Philippe Le Martret, Christophe J. Telecom ParisTech F-75013 Paris France Thales Commun & Secur F-92622 Gennevilliers France
We address the problem of multiuser power and bandwidth allocation for Orthogonal Frequency Division Multiple Access (OFDMA) networks employing a Type-II Hybrid Automatic Repeat reQuest (HARQ) mechanism, practical Cod... 详细信息
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Backscatter Communication and RFID: coding, Energy, and MIMO Analysis
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IEEE TRANSACTIONS ON COMMUNICATIONS 2014年 第3期62卷 770-785页
作者: Boyer, Colby Roy, Sumit Univ Washington Dept Elect Engn Seattle WA 98195 USA
Radio Frequency IDentification (RFID) is intended to supplant legacy (optical) bar code scanning technology found in many logistic and retail applications. RFID is distinguished by inexpensive, low power and compact f... 详细信息
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A Type II Hybrid ARQ Protocol with Adaptive modulation and coding for Time-Correlated Fading Channels: Analysis and Design
A Type II Hybrid ARQ Protocol with Adaptive Modulation and C...
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IEEE International Conference on Communications (ICC)
作者: J. S. Harsini F. Lahouti M. Levorato M. Zorzi School of Electrical and Computer Engineering University of Tehran Tehran Iran Department of Electrical Engineering University of Stanford USA Department of Information Engineering University of Padova Padova Italy
This paper presents performance analysis and cross-layer design approaches for hybrid ARQ (HARQ) protocol in wireless networks which employ adaptive modulation and coding (AMC) at the physical layer and are subject to... 详细信息
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Multi-Group Wireless Multicast Broadcast Services Using Adaptive modulation and coding: Modeling and Analysis
Multi-Group Wireless Multicast Broadcast Services Using Adap...
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IEEE Conference on Vehicular Technology (VTC)
作者: Yu-Cheng Liang Ching-Chun Chou Hung-Yu Wei Department of Electrical Engineering National Taiwan University Taiwan
Adaptive modulation and coding (AMC) is attracting research interest in wireless multicast broadcast services (MBS). AMC increases the system throughput by utilizing possible good channel states instead of using robus... 详细信息
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