Výsledky vyhledávání - "adaptive coding modulation"

Adaptive coding modulation selection optimisation scheme for Ka‐band LEO mobile satellites Autor Shen, Hongrong, Ning, Qian, Chen, Bingcai

“…Summary To address the problem that Ka‐band satellite communication signal transmission is easily affected by rainfall and terminal environment, combining the…”
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A Transmission Efficiency Evaluation Method of Adaptive Coding Modulation for Ka-Band Data-Transmission of LEO EO Satellites Autor Wang, Zhongguo, Lu, Fan, Wang, Dabao, Zhang, Xiao, Li, Jionghui, Li, Jindong

“…) or variable coding modulation (VCM) schemes for data transmission to ground stations (G/S). Compared with CCM and VCM, the adaptive coding modulation (ACM…”
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Research on Adaptive Coding Modulation Technique of Atmospheric Optical Communication Based on LDPC Code Autor Guo, Yuyou, Liu, Zhi, Yao, Haifeng, Jiang, Qingfang, Liang, Hongyan

“…Aiming at the problem that the transmission mode switching threshold is not accurate due to turbulence in atmospheric optical communication, a threshold…”
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Algorithms for the implementation of adaptive coding modulation on earth observation satellites Autor Visintin, Monica, Montorsi, Guido, Cossu, Mario, Jeannin, Nicolas

“…The paper discusses some algorithms for the imple­mentation of Adaptive Coded Modulation on Earth observation satellites. In the proposed system, the ground…”
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Adaptive Coding, Modulation and Filtering of Radar Signals Autor Daffalla, Moutaman Mirghani

“…In this chapter, some of the issues associated with radar signal processing are highlighted, with an emphasis on adaptability. Signal processing operations are…”
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Comtech Systems Assigned Patent for Adaptive Coding, Modulation Transceiver System

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Performance of a combined dynamic rate adaptation and adaptive coding modulation technique for a DVB-RCS2 system Autor Angelone, M., Ginesi, A., Re, E., Cioni, S.

“…The growing demand for two-way broadband satellite services has pushed for the development of the DVB-RCS2 standard to improve the performance of the reverse…”
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WIPO: Inventors in Ohio Develop Adaptive Coding, Modulation Aware Encoder System

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US Patent Issued to Telefonaktiebolaget LM Ericsson (PUBL) on Dec. 18 for "Method and Transmission Unit for Adaptive Coding, Modulation and Transmission of Data Words in a Wireless Communication System" (Chinese, Swedish Inventors)

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Patent No. 7,689,162 Issued on March 30, Assigned to ViaSat for Adaptive Coding, Modulation Flow Control, Traffic Shaping Systems, Methods (Ohio Inventor)

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Swedish Inventors Develop Method and Transmission Unit for Adaptive Coding, Modulation and Transmission of Data Words in a Wireless Communication System

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Efficient Channel Coding Delivers DVB-S2 Evaluation Platforms Incorporating Adaptive Coding Modulation

“…DVB-S2 is a new satellite communication standard that is in the final stages of publication. DVB-S2 enables unprecedented bandwidth and power efficiency and…”
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Over 170,000 Hughes Satellite Terminals Employing DVB-S2 with ACM Shipped Worldwide; Adaptive Coding Modulation Feature Provides Better Performance and Efficiency than Other DVB-S2 Systems in the Market

“…The Hughes ACM feature means the combination of coding and modulation of the outbound channel can be configured for each remote terminal, so that the Hughes…”
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Efficient Channel Coding Delivers DVB-S2 Evaluation Platforms Incorporating Adaptive Coding & Modulation

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Advanced Communication Techniques as Enablers for HAP‐Based Communication Systems

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Optical adaptive power control based on atmospheric channel reciprocity for mitigating turbulence disturbances in free-space optics communication Autor Yao, Haifeng, Wang, Weihao, Zhou, Chang, Cao, Jie, Hao, Qun, Chen, Chunyi, Dong, Keyan, Tong, Shoufeng, Liu, Zhi, Liu, Xianzhu, Jiang, Huilin

“…A continuous time-domain adaptive power model of transmitter optical and control algorithm based on atmospheric turbulence channel reciprocity are explored for…”
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Adaptive Coded Modulation for IM/DD Free-Space Optical Backhauling: A Probabilistic Shaping Approach Autor Elzanaty, Ahmed, Alouini, Mohamed-Slim

“…In this paper, we propose a practical adaptive coding modulation scheme to approach the capacity of free-space optical (FSO…”
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Mutual-information-based adaptive coding and modulation in bit-interleaved OFDM systems using punctured LDPC codes Autor Stiglmayr, Stephan, Bossert, Martin, Costa, Elena

“…Adaptive coding, modulation and power allocation are well‐known techniques for enhancing the performance of systems transmitting over quasi…”
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A Novel Approach in Determination of the Appropriate Spatial Averaging Signal Length Autor Njemcevic, Pamela

“… handoff, adaptive coding/modulation). That raises the question: How long the appropriate averaging length 2 L should be in order to enable us to accurately estimate these spatial mean signal values…”
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An adaptive fuzzy-based CAC scheme for uplink and downlink congestion control in converged IP and DVB-S2 networks Autor Hadjadj-Aoul, Y., Taleb, T.

“…This paper introduces a robust buffer occupancy-based connection admission control (CAC) mechanism to alleviate both uplink and downlink congestions in…”
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